Flights from San Juan to Boston (SJU to BOS)

Discover more affordable routes and cheaper dates from San Juan to Boston (SJU to BOS) within a date range.

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  • US$203
    Frontier Airlines
    6:20am - 10:36am
    Tue Apr 22nd 2025
    4h 16m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Tue Apr 22nd 2025 Frontier Airlines · F9 3002 Depart at 6:20am from San Juan (SJU) Fly for 4h 16m Arrive at 10:36am in Boston (BOS)

    Stay in Boston for 26 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$203
    Frontier Airlines
    6:20am - 10:36am
    Tue Apr 22nd 2025
    4h 16m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Tue Apr 22nd 2025 Frontier Airlines · F9 3002 Depart at 6:20am from San Juan (SJU) Fly for 4h 16m Arrive at 10:36am in Boston (BOS)

    Stay in Boston for 23 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$211
    Frontier Airlines
    6:30am - 10:43am
    Sun May 11th 2025
    4h 13m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Sun May 11th 2025 Frontier Airlines · F9 3002 Depart at 6:30am from San Juan (SJU) Fly for 4h 13m Arrive at 10:43am in Boston (BOS)

    Stay in Boston for 4 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$211
    Frontier Airlines
    6:30am - 10:43am
    Thu May 8th 2025
    4h 13m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Thu May 8th 2025 Frontier Airlines · F9 3002 Depart at 6:30am from San Juan (SJU) Fly for 4h 13m Arrive at 10:43am in Boston (BOS)

    Stay in Boston for 7 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$211
    Frontier Airlines
    6:30am - 10:43am
    Thu May 1st 2025
    4h 13m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Thu May 1st 2025 Frontier Airlines · F9 3002 Depart at 6:30am from San Juan (SJU) Fly for 4h 13m Arrive at 10:43am in Boston (BOS)

    Stay in Boston for 14 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$211
    Frontier Airlines
    6:30am - 10:43am
    Sun May 11th 2025
    4h 13m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Sun May 11th 2025 Frontier Airlines · F9 3002 Depart at 6:30am from San Juan (SJU) Fly for 4h 13m Arrive at 10:43am in Boston (BOS)

    Stay in Boston for 7 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$211
    Frontier Airlines
    6:30am - 10:43am
    Thu May 1st 2025
    4h 13m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Thu May 1st 2025 Frontier Airlines · F9 3002 Depart at 6:30am from San Juan (SJU) Fly for 4h 13m Arrive at 10:43am in Boston (BOS)

    Stay in Boston for 17 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$211
    Frontier Airlines
    6:30am - 10:43am
    Thu May 15th 2025
    4h 13m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Thu May 15th 2025 Frontier Airlines · F9 3002 Depart at 6:30am from San Juan (SJU) Fly for 4h 13m Arrive at 10:43am in Boston (BOS)

    Stay in Boston for 3 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$211
    Frontier Airlines
    6:30am - 10:43am
    Thu May 8th 2025
    4h 13m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Thu May 8th 2025 Frontier Airlines · F9 3002 Depart at 6:30am from San Juan (SJU) Fly for 4h 13m Arrive at 10:43am in Boston (BOS)

    Stay in Boston for 10 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$215
    Frontier Airlines
    6:00am - 10:16am
    Mon Apr 21st 2025
    4h 16m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Mon Apr 21st 2025 Frontier Airlines · F9 3002 Depart at 6:00am from San Juan (SJU) Fly for 4h 16m Arrive at 10:16am in Boston (BOS)

    Stay in Boston for 24 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$215
    Frontier Airlines
    6:00am - 10:16am
    Mon Apr 21st 2025
    4h 16m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Mon Apr 21st 2025 Frontier Airlines · F9 3002 Depart at 6:00am from San Juan (SJU) Fly for 4h 16m Arrive at 10:16am in Boston (BOS)

    Stay in Boston for 27 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$238
    Frontier Airlines
    6:00am - 10:16am
    Fri Apr 18th 2025
    4h 16m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Fri Apr 18th 2025 Frontier Airlines · F9 3002 Depart at 6:00am from San Juan (SJU) Fly for 4h 16m Arrive at 10:16am in Boston (BOS)

    Stay in Boston for 27 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$238
    Frontier Airlines
    6:00am - 10:16am
    Fri Apr 18th 2025
    4h 16m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Fri Apr 18th 2025 Frontier Airlines · F9 3002 Depart at 6:00am from San Juan (SJU) Fly for 4h 16m Arrive at 10:16am in Boston (BOS)

    Stay in Boston for 30 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$238
    Frontier Airlines
    6:00am - 10:16am
    Wed Apr 16th 2025
    4h 16m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Wed Apr 16th 2025 Frontier Airlines · F9 3002 Depart at 6:00am from San Juan (SJU) Fly for 4h 16m Arrive at 10:16am in Boston (BOS)

    Stay in Boston for 32 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$238
    Frontier Airlines
    6:00am - 10:16am
    Wed Apr 16th 2025
    4h 16m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Wed Apr 16th 2025 Frontier Airlines · F9 3002 Depart at 6:00am from San Juan (SJU) Fly for 4h 16m Arrive at 10:16am in Boston (BOS)

    Stay in Boston for 29 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$238
    Spirit Airlines
    2:40pm - 6:57pm
    Sat Apr 19th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Sat Apr 19th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 25 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$238
    Spirit Airlines
    2:40pm - 6:57pm
    Sat Apr 19th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Sat Apr 19th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 28 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$238
    Spirit Airlines
    2:40pm - 6:57pm
    Thu Apr 17th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Thu Apr 17th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 30 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$238
    Spirit Airlines
    2:40pm - 6:57pm
    Thu Apr 17th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Thu Apr 17th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 27 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$238
    Spirit Airlines
    2:40pm - 6:57pm
    Fri Apr 18th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Fri Apr 18th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 26 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$238
    Spirit Airlines
    2:40pm - 6:57pm
    Fri Apr 18th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Fri Apr 18th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 29 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$250
    Frontier Airlines
    6:20am - 10:36am
    Tue Apr 29th 2025
    4h 16m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Tue Apr 29th 2025 Frontier Airlines · F9 3002 Depart at 6:20am from San Juan (SJU) Fly for 4h 16m Arrive at 10:36am in Boston (BOS)

    Stay in Boston for 16 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$250
    Frontier Airlines
    6:20am - 10:36am
    Tue Apr 29th 2025
    4h 16m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Tue Apr 29th 2025 Frontier Airlines · F9 3002 Depart at 6:20am from San Juan (SJU) Fly for 4h 16m Arrive at 10:36am in Boston (BOS)

    Stay in Boston for 19 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$266
    Spirit Airlines
    2:40pm - 6:57pm
    Thu Apr 24th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Thu Apr 24th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 20 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$266
    Spirit Airlines
    2:40pm - 6:57pm
    Tue Apr 29th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Tue Apr 29th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 15 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$266
    Spirit Airlines
    2:40pm - 6:57pm
    Tue Apr 29th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Tue Apr 29th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 18 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$266
    Spirit Airlines
    2:40pm - 6:57pm
    Thu Apr 24th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Thu Apr 24th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 23 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$271
    Spirit Airlines
    2:40pm - 6:57pm
    Mon Apr 14th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Mon Apr 14th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 33 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$271
    Spirit Airlines
    2:40pm - 6:57pm
    Mon Apr 14th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Mon Apr 14th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 30 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$271
    Spirit Airlines
    2:40pm - 6:57pm
    Tue Apr 15th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Tue Apr 15th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 32 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$271
    Spirit Airlines
    2:40pm - 6:57pm
    Tue Apr 15th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Tue Apr 15th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 29 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$271
    Spirit Airlines
    2:40pm - 6:57pm
    Wed Apr 16th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Wed Apr 16th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 28 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$271
    Spirit Airlines
    2:40pm - 6:57pm
    Wed Apr 16th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Wed Apr 16th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 31 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$276
    Frontier Airlines
    6:00am - 10:16am
    Sat Apr 19th 2025
    4h 16m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Sat Apr 19th 2025 Frontier Airlines · F9 3002 Depart at 6:00am from San Juan (SJU) Fly for 4h 16m Arrive at 10:16am in Boston (BOS)

    Stay in Boston for 26 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$276
    Frontier Airlines
    6:00am - 10:16am
    Sat Apr 19th 2025
    4h 16m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Sat Apr 19th 2025 Frontier Airlines · F9 3002 Depart at 6:00am from San Juan (SJU) Fly for 4h 16m Arrive at 10:16am in Boston (BOS)

    Stay in Boston for 29 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$276
    Frontier Airlines
    6:00am - 10:16am
    Mon Apr 14th 2025
    4h 16m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Mon Apr 14th 2025 Frontier Airlines · F9 3002 Depart at 6:00am from San Juan (SJU) Fly for 4h 16m Arrive at 10:16am in Boston (BOS)

    Stay in Boston for 34 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$276
    Frontier Airlines
    6:00am - 10:16am
    Mon Apr 14th 2025
    4h 16m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Mon Apr 14th 2025 Frontier Airlines · F9 3002 Depart at 6:00am from San Juan (SJU) Fly for 4h 16m Arrive at 10:16am in Boston (BOS)

    Stay in Boston for 31 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$281
    Frontier Airlines
    6:20am - 10:36am
    Thu Apr 24th 2025
    4h 16m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Thu Apr 24th 2025 Frontier Airlines · F9 3002 Depart at 6:20am from San Juan (SJU) Fly for 4h 16m Arrive at 10:36am in Boston (BOS)

    Stay in Boston for 21 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$281
    Frontier Airlines
    6:20am - 10:36am
    Thu Apr 24th 2025
    4h 16m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Thu Apr 24th 2025 Frontier Airlines · F9 3002 Depart at 6:20am from San Juan (SJU) Fly for 4h 16m Arrive at 10:36am in Boston (BOS)

    Stay in Boston for 24 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$298
    Spirit Airlines
    2:40pm - 6:57pm
    Tue Apr 22nd 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Tue Apr 22nd 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 22 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$298
    Spirit Airlines
    2:40pm - 6:57pm
    Tue Apr 22nd 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Tue Apr 22nd 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 25 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$323
    Frontier Airlines
    6:30am - 10:43am
    Sun May 4th 2025
    4h 13m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Sun May 4th 2025 Frontier Airlines · F9 3002 Depart at 6:30am from San Juan (SJU) Fly for 4h 13m Arrive at 10:43am in Boston (BOS)

    Stay in Boston for 11 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$323
    Frontier Airlines
    6:30am - 10:43am
    Sun May 4th 2025
    4h 13m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Sun May 4th 2025 Frontier Airlines · F9 3002 Depart at 6:30am from San Juan (SJU) Fly for 4h 13m Arrive at 10:43am in Boston (BOS)

    Stay in Boston for 14 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$340
    Spirit Airlines
    2:40pm - 6:57pm
    Wed Apr 30th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Wed Apr 30th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 14 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$340
    Spirit Airlines
    2:40pm - 6:57pm
    Tue May 6th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Tue May 6th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 8 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$340
    Spirit Airlines
    2:40pm - 6:57pm
    Thu May 1st 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Thu May 1st 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 13 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$340
    Spirit Airlines
    2:40pm - 6:57pm
    Wed Apr 30th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Wed Apr 30th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 17 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$340
    Spirit Airlines
    2:40pm - 6:57pm
    Thu May 1st 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Thu May 1st 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 16 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$340
    Spirit Airlines
    2:40pm - 6:57pm
    Tue May 6th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Tue May 6th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 11 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$340
    Spirit Airlines
    2:40pm - 6:57pm
    Wed Apr 23rd 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Wed Apr 23rd 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 21 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$340
    Spirit Airlines
    2:40pm - 6:57pm
    Wed Apr 23rd 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Wed Apr 23rd 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 24 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$347
    Spirit Airlines
    2:40pm - 6:57pm
    Sun Apr 20th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Sun Apr 20th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 24 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$347
    Spirit Airlines
    2:40pm - 6:57pm
    Sun Apr 20th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Sun Apr 20th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 27 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$347
    Spirit Airlines
    2:40pm - 6:57pm
    Mon Apr 21st 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Mon Apr 21st 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 23 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$347
    Spirit Airlines
    2:40pm - 6:57pm
    Mon Apr 21st 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Mon Apr 21st 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 26 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$393
    Spirit Airlines
    2:40pm - 6:57pm
    Mon May 5th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Mon May 5th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 9 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$393
    Spirit Airlines
    2:40pm - 6:57pm
    Mon May 5th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Mon May 5th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 12 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$457
    Spirit Airlines
    2:40pm - 6:57pm
    Sun May 4th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Sun May 4th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 10 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$457
    Spirit Airlines
    2:40pm - 6:57pm
    Sun May 4th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Sun May 4th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 13 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$511
    Spirit Airlines
    2:40pm - 6:57pm
    Fri Apr 25th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Fri Apr 25th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 19 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$511
    Spirit Airlines
    2:40pm - 6:57pm
    Fri Apr 25th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Fri Apr 25th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 22 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$530
    Frontier Airlines
    6:20am - 10:36am
    Sun Apr 27th 2025
    4h 16m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Sun Apr 27th 2025 Frontier Airlines · F9 3002 Depart at 6:20am from San Juan (SJU) Fly for 4h 16m Arrive at 10:36am in Boston (BOS)

    Stay in Boston for 18 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$530
    Frontier Airlines
    6:20am - 10:36am
    Sun Apr 27th 2025
    4h 16m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Sun Apr 27th 2025 Frontier Airlines · F9 3002 Depart at 6:20am from San Juan (SJU) Fly for 4h 16m Arrive at 10:36am in Boston (BOS)

    Stay in Boston for 21 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$574
    Spirit Airlines
    2:40pm - 6:57pm
    Fri May 2nd 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Fri May 2nd 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 12 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$574
    Spirit Airlines
    2:40pm - 6:57pm
    Mon Apr 28th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Mon Apr 28th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 16 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$574
    Spirit Airlines
    2:40pm - 6:57pm
    Fri May 2nd 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Fri May 2nd 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 15 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$574
    Spirit Airlines
    2:40pm - 6:57pm
    Mon Apr 28th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Mon Apr 28th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 19 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$713
    Spirit Airlines
    2:40pm - 6:57pm
    Sat May 3rd 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Sat May 3rd 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 11 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$713
    Spirit Airlines
    2:40pm - 6:57pm
    Sun Apr 27th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Sun Apr 27th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 17 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$713
    Spirit Airlines
    2:40pm - 6:57pm
    Sun Apr 27th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Sun Apr 27th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 20 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$713
    Spirit Airlines
    2:40pm - 6:57pm
    Sat May 3rd 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Sat May 3rd 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 14 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$745
    Spirit Airlines
    2:40pm - 6:57pm
    Sat Apr 26th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Thu May 15th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Sat Apr 26th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 18 nights

    Thu May 15th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

  • US$745
    Spirit Airlines
    2:40pm - 6:57pm
    Sat Apr 26th 2025
    4h 17m
    San Juan (SJU) → Boston (BOS)
    Direct
    Frontier Airlines
    11:43am - 3:44pm
    Sun May 18th 2025
    4h 1m
    Boston (BOS) → San Juan (SJU)
    Direct

    Sat Apr 26th 2025 Spirit Airlines · NK 262 Depart at 2:40pm from San Juan (SJU) Fly for 4h 17m Arrive at 6:57pm in Boston (BOS)

    Stay in Boston for 21 nights

    Sun May 18th 2025 Frontier Airlines · F9 3001 Depart at 11:43am from Boston (BOS) Fly for 4h 1m Arrive at 3:44pm in San Juan (SJU)

@sarahbb1
Sarah Belizaire
@sarahbb1

Have flexible travel plans or looking for alternative routes given the chaos? Check out all the connection possibilities via a super helpful site created by @ismaelyws flightlist.io thanks to @andy_travels for the recommendation #travel #flights

@eyupitsjohn
John Ford
@eyupitsjohn

There seem to be lots of sites launching at the moment that promise to find you cheap flights but not many have the professional finish of Flightlist by @ismaelyws #travel #flights

@oamingsonaa
Roaming Sonaa
@roamingsonaa

For people wanting to maximize their trips, Flightlist is my newest travel hack for uncovering the coolest routes at irresistible prices. No stress, no annoying ads — just seamless flight booking with amazing functionality.

@andy_travels
Andy Travels
@andy_travels

@ismaelyws Just tried out Flightlist for the first time. Really nice idea, well made, and just what I need at the moment 👍

@travelwitbender
Travel With Bender
@travelwitbender

Did you spot my recent article about how to score cheap one way flights? ✈️ FlightList is my new secret tool for discovering cheap routes, within a departure date range. Plus you can also search by country/region for departures & destinations. Powerful! 💪

@travel.with.wes
Wesley Mergard
@travel.with.wes

One useful tool I've found for evaluating different departure and return dates is called FlightList.io. You can quickly scan different travel date ranges, carriers and one way flight options to easily determine the cheapest flight combinations for your trip.

Explore Flight Options

FlightList Blog

Flightlist Interviews 7 Travel Experts On Why They Book One Way Flights
Flightlist Interviews 7 Travel Experts On Why They Book One Way Flights
Why I built FlightList & solved my own problem
Why I Built FlightList & Solved My Own Problem

About FlightList

❝Founded by a remote worker and frequent flyer, who discovered that the best deals come from searching with flexible dates across entire countries or regions. Our streamlined platform strips away the clutter found on typical travel sites, offering a clean interface that focuses solely on finding cost-effective flights. Unlike traditional booking sites, FlightList allows users to search by date ranges and broad destinations, unveiling opportunities that rigid parameters often miss. Our filters let travelers tailor searches to their specific needs, whether they're digital nomads seeking their next adventure or budget-conscious explorers maximizing travel funds. We've made finding cheap flights into a quicker and easier experience, empowering users to discover just how far their budget can take them.❞

Hans Desjarlais, Founder Hans Desjarlais Profile Picture