Flights from Costa Rica to Denver (CR to DEN)

Discover more affordable routes and cheaper dates from Costa Rica to Denver (CR to DEN) within a date range.

⭐ Search by country or region to discover more affordable routes, like Netherlands → Italy or Europe → South East Asia.

Results Quantity

Cabin Bags

Checked Bags

Max Budget

US$

Max Duration

Hours

Max Layover

Hours

Departure Time

Connections

Select Airlines

Loading…

US$138

11:13am - 7:59pm
Sun Jul 13th 2025

8h 46m
San José (SJO) → Denver (DEN)

1 Stop

Sun Jul 13th 2025 United Airlines · UA 1589 Depart at 11:13am from San José (SJO) Fly for 3h 53m Arrive at 4:06pm in Houston (IAH)

Layover in Houston for 1h 59m

Sun Jul 13th 2025 United Airlines · UA 1654 Depart at 6:05pm from Houston (IAH) Fly for 2h 54m Arrive at 7:59pm in Denver (DEN)
US$138

11:13am - 7:59pm
Mon Jul 14th 2025

8h 46m
San José (SJO) → Denver (DEN)

1 Stop

Mon Jul 14th 2025 United Airlines · UA 1589 Depart at 11:13am from San José (SJO) Fly for 3h 53m Arrive at 4:06pm in Houston (IAH)

Layover in Houston for 1h 59m

Mon Jul 14th 2025 United Airlines · UA 1654 Depart at 6:05pm from Houston (IAH) Fly for 2h 54m Arrive at 7:59pm in Denver (DEN)
US$138

11:13am - 10:43pm
Sat Jul 12th 2025

11h 30m
San José (SJO) → Denver (DEN)

1 Stop

Sat Jul 12th 2025 United Airlines · UA 1589 Depart at 11:13am from San José (SJO) Fly for 3h 53m Arrive at 4:06pm in Houston (IAH)

Layover in Houston for 4h 43m

Sat Jul 12th 2025 United Airlines · UA 2215 Depart at 8:49pm from Houston (IAH) Fly for 2h 54m Arrive at 10:43pm in Denver (DEN)
US$138

8:45am - 12:48am
Wed Jul 16th 2025

16h 3m
San José (SJO) → Denver (DEN)

1 Stop

Wed Jul 16th 2025 United Airlines · UA 2313 Depart at 8:45am from San José (SJO) Fly for 6h 49m Arrive at 2:34pm in San Francisco (SFO)

Layover in San Francisco for 6h 41m

Wed Jul 16th 2025 United Airlines · UA 1317 Depart at 9:15pm from San Francisco (SFO) Fly for 2h 33m Arrive at 12:48am in Denver (DEN)
US$138

1:30pm - 6:32am
Mon Jul 14th 2025

17h 2m
San José (SJO) → Denver (DEN)

1 Stop

Mon Jul 14th 2025 United Airlines · UA 1099 Depart at 1:30pm from San José (SJO) Fly for 3h 55m Arrive at 6:25pm in Houston (IAH)

Layover in Houston for 10h 35m

Tue Jul 15th 2025 United Airlines · UA 2436 Depart at 5:00am from Houston (IAH) Fly for 2h 32m Arrive at 6:32am in Denver (DEN)
US$145

1:30pm - 8:55am
Sat Jul 12th 2025

19h 25m
San José (SJO) → Denver (DEN)

1 Stop

Sat Jul 12th 2025 United Airlines · UA 1099 Depart at 1:30pm from San José (SJO) Fly for 3h 55m Arrive at 6:25pm in Houston (IAH)

Layover in Houston for 12h 55m

Sun Jul 13th 2025 United Airlines · UA 2433 Depart at 7:20am from Houston (IAH) Fly for 2h 35m Arrive at 8:55am in Denver (DEN)
US$146

7:55am - 11:38pm
Wed Jul 16th 2025

15h 43m
San José (SJO) → Denver (DEN)

1 Stop

Wed Jul 16th 2025 United Airlines · UA 1447 Depart at 7:55am from San José (SJO) Fly for 3h 49m Arrive at 12:44pm in Houston (IAH)

Layover in Houston for 9h 13m

Wed Jul 16th 2025 United Airlines · UA 1338 Depart at 9:57pm from Houston (IAH) Fly for 2h 41m Arrive at 11:38pm in Denver (DEN)
US$147

7:55am - 11:38pm
Thu Jul 10th 2025

15h 43m
San José (SJO) → Denver (DEN)

1 Stop

Thu Jul 10th 2025 United Airlines · UA 1447 Depart at 7:55am from San José (SJO) Fly for 3h 49m Arrive at 12:44pm in Houston (IAH)

Layover in Houston for 9h 13m

Thu Jul 10th 2025 United Airlines · UA 1338 Depart at 9:57pm from Houston (IAH) Fly for 2h 41m Arrive at 11:38pm in Denver (DEN)
US$151

5:30am - 2:22pm
Tue Jul 15th 2025

8h 52m
San José (SJO) → Denver (DEN)

1 Stop

Tue Jul 15th 2025 United Airlines · UA 1172 Depart at 5:30am from San José (SJO) Fly for 3h 49m Arrive at 10:19am in Houston (IAH)

Layover in Houston for 2h 31m

Tue Jul 15th 2025 United Airlines · UA 1211 Depart at 12:50pm from Houston (IAH) Fly for 2h 32m Arrive at 2:22pm in Denver (DEN)
US$194

1:30pm - 11:38pm
Wed Jul 16th 2025

10h 8m
San José (SJO) → Denver (DEN)

1 Stop

Wed Jul 16th 2025 United Airlines · UA 1099 Depart at 1:30pm from San José (SJO) Fly for 3h 55m Arrive at 6:25pm in Houston (IAH)

Layover in Houston for 3h 32m

Wed Jul 16th 2025 United Airlines · UA 1338 Depart at 9:57pm from Houston (IAH) Fly for 2h 41m Arrive at 11:38pm in Denver (DEN)
US$194

6:00am - 7:40pm
Sat Jul 12th 2025

13h 40m
San José (SJO) → Denver (DEN)

1 Stop

Sat Jul 12th 2025 United Airlines · UA 1553 Depart at 6:00am from San José (SJO) Fly for 6h 17m Arrive at 11:17am in Los Angeles (LAX)

Layover in Los Angeles for 4h 56m

Sat Jul 12th 2025 United Airlines · UA 2146 Depart at 4:13pm from Los Angeles (LAX) Fly for 2h 27m Arrive at 7:40pm in Denver (DEN)
US$194

8:45am - 10:39pm
Wed Jul 9th 2025

13h 54m
San José (SJO) → Denver (DEN)

1 Stop

Wed Jul 9th 2025 United Airlines · UA 2313 Depart at 8:45am from San José (SJO) Fly for 6h 49m Arrive at 2:34pm in San Francisco (SFO)

Layover in San Francisco for 4h 29m

Wed Jul 9th 2025 United Airlines · UA 1230 Depart at 7:03pm from San Francisco (SFO) Fly for 2h 36m Arrive at 10:39pm in Denver (DEN)
US$197

5:30am - 2:22pm
Tue Jul 8th 2025

8h 52m
San José (SJO) → Denver (DEN)

1 Stop

Tue Jul 8th 2025 United Airlines · UA 1172 Depart at 5:30am from San José (SJO) Fly for 3h 49m Arrive at 10:19am in Houston (IAH)

Layover in Houston for 2h 31m

Tue Jul 8th 2025 United Airlines · UA 1211 Depart at 12:50pm from Houston (IAH) Fly for 2h 32m Arrive at 2:22pm in Denver (DEN)
US$197

7:55am - 6:17pm
Tue Jul 8th 2025

10h 22m
San José (SJO) → Denver (DEN)

1 Stop

Tue Jul 8th 2025 United Airlines · UA 1447 Depart at 7:55am from San José (SJO) Fly for 3h 49m Arrive at 12:44pm in Houston (IAH)

Layover in Houston for 3h 41m

Tue Jul 8th 2025 United Airlines · UA 2338 Depart at 4:25pm from Houston (IAH) Fly for 2h 52m Arrive at 6:17pm in Denver (DEN)
US$197

5:30am - 6:17pm
Tue Jul 8th 2025

12h 47m
San José (SJO) → Denver (DEN)

1 Stop

Tue Jul 8th 2025 United Airlines · UA 1172 Depart at 5:30am from San José (SJO) Fly for 3h 49m Arrive at 10:19am in Houston (IAH)

Layover in Houston for 6h 6m

Tue Jul 8th 2025 United Airlines · UA 2338 Depart at 4:25pm from Houston (IAH) Fly for 2h 52m Arrive at 6:17pm in Denver (DEN)
US$197

7:55am - 10:29pm
Tue Jul 8th 2025

14h 34m
San José (SJO) → Denver (DEN)

1 Stop

Tue Jul 8th 2025 United Airlines · UA 1447 Depart at 7:55am from San José (SJO) Fly for 3h 49m Arrive at 12:44pm in Houston (IAH)

Layover in Houston for 7h 51m

Tue Jul 8th 2025 United Airlines · UA 2215 Depart at 8:35pm from Houston (IAH) Fly for 2h 54m Arrive at 10:29pm in Denver (DEN)
US$197

7:55am - 11:38pm
Tue Jul 8th 2025

15h 43m
San José (SJO) → Denver (DEN)

1 Stop

Tue Jul 8th 2025 United Airlines · UA 1447 Depart at 7:55am from San José (SJO) Fly for 3h 49m Arrive at 12:44pm in Houston (IAH)

Layover in Houston for 9h 13m

Tue Jul 8th 2025 United Airlines · UA 1338 Depart at 9:57pm from Houston (IAH) Fly for 2h 41m Arrive at 11:38pm in Denver (DEN)
US$197

5:30am - 11:38pm
Tue Jul 8th 2025

18h 8m
San José (SJO) → Denver (DEN)

1 Stop

Tue Jul 8th 2025 United Airlines · UA 1172 Depart at 5:30am from San José (SJO) Fly for 3h 49m Arrive at 10:19am in Houston (IAH)

Layover in Houston for 11h 38m

Tue Jul 8th 2025 United Airlines · UA 1338 Depart at 9:57pm from Houston (IAH) Fly for 2h 41m Arrive at 11:38pm in Denver (DEN)
US$197

7:55am - 6:32am
Tue Jul 8th 2025

22h 37m
San José (SJO) → Denver (DEN)

1 Stop

Tue Jul 8th 2025 United Airlines · UA 1447 Depart at 7:55am from San José (SJO) Fly for 3h 49m Arrive at 12:44pm in Houston (IAH)

Layover in Houston for 16h 16m

Wed Jul 9th 2025 United Airlines · UA 2436 Depart at 5:00am from Houston (IAH) Fly for 2h 32m Arrive at 6:32am in Denver (DEN)
US$202

5:30am - 2:22pm
Wed Jul 16th 2025

8h 52m
San José (SJO) → Denver (DEN)

1 Stop

Wed Jul 16th 2025 United Airlines · UA 1172 Depart at 5:30am from San José (SJO) Fly for 3h 49m Arrive at 10:19am in Houston (IAH)

Layover in Houston for 2h 31m

Wed Jul 16th 2025 United Airlines · UA 1211 Depart at 12:50pm from Houston (IAH) Fly for 2h 32m Arrive at 2:22pm in Denver (DEN)
US$207

8:45am - 10:39pm
Tue Jul 15th 2025

13h 54m
San José (SJO) → Denver (DEN)

1 Stop

Tue Jul 15th 2025 United Airlines · UA 2313 Depart at 8:45am from San José (SJO) Fly for 6h 49m Arrive at 2:34pm in San Francisco (SFO)

Layover in San Francisco for 4h 29m

Tue Jul 15th 2025 United Airlines · UA 1230 Depart at 7:03pm from San Francisco (SFO) Fly for 2h 36m Arrive at 10:39pm in Denver (DEN)
US$229

7:55am - 10:29pm
Wed Jul 16th 2025

14h 34m
San José (SJO) → Denver (DEN)

1 Stop

Wed Jul 16th 2025 United Airlines · UA 1447 Depart at 7:55am from San José (SJO) Fly for 3h 49m Arrive at 12:44pm in Houston (IAH)

Layover in Houston for 7h 51m

Wed Jul 16th 2025 United Airlines · UA 2215 Depart at 8:35pm from Houston (IAH) Fly for 2h 54m Arrive at 10:29pm in Denver (DEN)
US$231

11:13am - 11:38pm
Thu Jul 10th 2025

12h 25m
San José (SJO) → Denver (DEN)

1 Stop

Thu Jul 10th 2025 United Airlines · UA 1589 Depart at 11:13am from San José (SJO) Fly for 3h 53m Arrive at 4:06pm in Houston (IAH)

Layover in Houston for 5h 51m

Thu Jul 10th 2025 United Airlines · UA 1338 Depart at 9:57pm from Houston (IAH) Fly for 2h 41m Arrive at 11:38pm in Denver (DEN)
US$253

11:13am - 11:38pm
Tue Jul 8th 2025

12h 25m
San José (SJO) → Denver (DEN)

1 Stop

Tue Jul 8th 2025 United Airlines · UA 1589 Depart at 11:13am from San José (SJO) Fly for 3h 53m Arrive at 4:06pm in Houston (IAH)

Layover in Houston for 5h 51m

Tue Jul 8th 2025 United Airlines · UA 1338 Depart at 9:57pm from Houston (IAH) Fly for 2h 41m Arrive at 11:38pm in Denver (DEN)
US$253

5:30am - 6:32am
Tue Jul 8th 2025

25h 2m
San José (SJO) → Denver (DEN)

1 Stop

Tue Jul 8th 2025 United Airlines · UA 1172 Depart at 5:30am from San José (SJO) Fly for 3h 49m Arrive at 10:19am in Houston (IAH)

Layover in Houston for 18h 41m

Wed Jul 9th 2025 United Airlines · UA 2436 Depart at 5:00am from Houston (IAH) Fly for 2h 32m Arrive at 6:32am in Denver (DEN)
US$257

1:41pm - 8:02am
Wed Jul 16th 2025

18h 21m
San José (SJO) → Denver (DEN)

1 Stop

Wed Jul 16th 2025 Spirit Airlines · NK 1310 Depart at 1:41pm from San José (SJO) Fly for 3h 24m Arrive at 7:05pm in Orlando (MCO)

Layover in Orlando for 10h 55m

Thu Jul 17th 2025 Frontier Airlines · F9 1733 Depart at 6:00am from Orlando (MCO) Fly for 4h 2m Arrive at 8:02am in Denver (DEN)
US$266

1:41pm - 8:42am
Mon Jul 14th 2025

19h 1m
San José (SJO) → Denver (DEN)

2 Stops

Mon Jul 14th 2025 Spirit Airlines · NK 1310 Depart at 1:41pm from San José (SJO) Fly for 3h 24m Arrive at 7:05pm in Orlando (MCO)

Layover in Orlando for 3h 40m

Mon Jul 14th 2025 Spirit Airlines · NK 1576 Depart at 10:45pm from Orlando (MCO) Fly for 2h 30m Arrive at 12:15am in Houston (IAH)

Layover in Houston for 6h 45m

Tue Jul 15th 2025 Frontier Airlines · F9 3229 Depart at 7:00am from Houston (IAH) Fly for 2h 42m Arrive at 8:42am in Denver (DEN)
US$267

1:41pm - 8:02am
Thu Jul 10th 2025

18h 21m
San José (SJO) → Denver (DEN)

1 Stop

Thu Jul 10th 2025 Spirit Airlines · NK 1310 Depart at 1:41pm from San José (SJO) Fly for 3h 24m Arrive at 7:05pm in Orlando (MCO)

Layover in Orlando for 10h 55m

Fri Jul 11th 2025 Frontier Airlines · F9 1733 Depart at 6:00am from Orlando (MCO) Fly for 4h 2m Arrive at 8:02am in Denver (DEN)
US$267

6:35am - 12:06pm
Sun Jul 13th 2025

5h 31m
San José (SJO) → Denver (DEN)

Direct

Sun Jul 13th 2025 United Airlines · UA 1087 Depart at 6:35am from San José (SJO) Fly for 5h 31m Arrive at 12:06pm in Denver (DEN)
US$267

6:35am - 12:06pm
Sat Jul 12th 2025

5h 31m
San José (SJO) → Denver (DEN)

Direct

Sat Jul 12th 2025 United Airlines · UA 1087 Depart at 6:35am from San José (SJO) Fly for 5h 31m Arrive at 12:06pm in Denver (DEN)
US$269

1:41pm - 7:40am
Wed Jul 16th 2025

17h 59m
San José (SJO) → Denver (DEN)

2 Stops

Wed Jul 16th 2025 Spirit Airlines · NK 1310 Depart at 1:41pm from San José (SJO) Fly for 3h 24m Arrive at 7:05pm in Orlando (MCO)

Layover in Orlando for 3h 40m

Wed Jul 16th 2025 Spirit Airlines · NK 1576 Depart at 10:45pm from Orlando (MCO) Fly for 2h 30m Arrive at 12:15am in Houston (IAH)

Layover in Houston for 5h 45m

Thu Jul 17th 2025 Frontier Airlines · F9 3229 Depart at 6:00am from Houston (IAH) Fly for 2h 40m Arrive at 7:40am in Denver (DEN)
US$271

7:55am - 4:40pm
Wed Jul 16th 2025

8h 45m
San José (SJO) → Denver (DEN)

1 Stop

Wed Jul 16th 2025 United Airlines · UA 1447 Depart at 7:55am from San José (SJO) Fly for 3h 49m Arrive at 12:44pm in Houston (IAH)

Layover in Houston for 2h 6m

Wed Jul 16th 2025 United Airlines · UA 241 Depart at 2:50pm from Houston (IAH) Fly for 2h 50m Arrive at 4:40pm in Denver (DEN)
US$271

8:45am - 8:05pm
Wed Jul 9th 2025

11h 20m
San José (SJO) → Denver (DEN)

1 Stop

Wed Jul 9th 2025 United Airlines · UA 2313 Depart at 8:45am from San José (SJO) Fly for 6h 49m Arrive at 2:34pm in San Francisco (SFO)

Layover in San Francisco for 1h 48m

Wed Jul 9th 2025 United Airlines · UA 297 Depart at 4:22pm from San Francisco (SFO) Fly for 2h 43m Arrive at 8:05pm in Denver (DEN)
US$271

8:45am - 10:39pm
Wed Jul 16th 2025

13h 54m
San José (SJO) → Denver (DEN)

1 Stop

Wed Jul 16th 2025 United Airlines · UA 2313 Depart at 8:45am from San José (SJO) Fly for 6h 49m Arrive at 2:34pm in San Francisco (SFO)

Layover in San Francisco for 4h 29m

Wed Jul 16th 2025 United Airlines · UA 1230 Depart at 7:03pm from San Francisco (SFO) Fly for 2h 36m Arrive at 10:39pm in Denver (DEN)
US$272

1:30pm - 11:38pm
Thu Jul 10th 2025

10h 8m
San José (SJO) → Denver (DEN)

1 Stop

Thu Jul 10th 2025 United Airlines · UA 1099 Depart at 1:30pm from San José (SJO) Fly for 3h 55m Arrive at 6:25pm in Houston (IAH)

Layover in Houston for 3h 32m

Thu Jul 10th 2025 United Airlines · UA 1338 Depart at 9:57pm from Houston (IAH) Fly for 2h 41m Arrive at 11:38pm in Denver (DEN)
US$280

1:30pm - 10:29pm
Wed Jul 16th 2025

8h 59m
San José (SJO) → Denver (DEN)

1 Stop

Wed Jul 16th 2025 United Airlines · UA 1099 Depart at 1:30pm from San José (SJO) Fly for 3h 55m Arrive at 6:25pm in Houston (IAH)

Layover in Houston for 2h 10m

Wed Jul 16th 2025 United Airlines · UA 2215 Depart at 8:35pm from Houston (IAH) Fly for 2h 54m Arrive at 10:29pm in Denver (DEN)
US$280

5:30am - 7:59pm
Tue Jul 8th 2025

14h 29m
San José (SJO) → Denver (DEN)

1 Stop

Tue Jul 8th 2025 United Airlines · UA 1172 Depart at 5:30am from San José (SJO) Fly for 3h 49m Arrive at 10:19am in Houston (IAH)

Layover in Houston for 7h 46m

Tue Jul 8th 2025 United Airlines · UA 1654 Depart at 6:05pm from Houston (IAH) Fly for 2h 54m Arrive at 7:59pm in Denver (DEN)
US$280

5:30am - 10:29pm
Tue Jul 8th 2025

16h 59m
San José (SJO) → Denver (DEN)

1 Stop

Tue Jul 8th 2025 United Airlines · UA 1172 Depart at 5:30am from San José (SJO) Fly for 3h 49m Arrive at 10:19am in Houston (IAH)

Layover in Houston for 10h 16m

Tue Jul 8th 2025 United Airlines · UA 2215 Depart at 8:35pm from Houston (IAH) Fly for 2h 54m Arrive at 10:29pm in Denver (DEN)
US$282

5:30am - 2:22pm
Thu Jul 10th 2025

8h 52m
San José (SJO) → Denver (DEN)

1 Stop

Thu Jul 10th 2025 United Airlines · UA 1172 Depart at 5:30am from San José (SJO) Fly for 3h 49m Arrive at 10:19am in Houston (IAH)

Layover in Houston for 2h 31m

Thu Jul 10th 2025 United Airlines · UA 1211 Depart at 12:50pm from Houston (IAH) Fly for 2h 32m Arrive at 2:22pm in Denver (DEN)
US$282

7:55am - 10:29pm
Thu Jul 10th 2025

14h 34m
San José (SJO) → Denver (DEN)

1 Stop

Thu Jul 10th 2025 United Airlines · UA 1447 Depart at 7:55am from San José (SJO) Fly for 3h 49m Arrive at 12:44pm in Houston (IAH)

Layover in Houston for 7h 51m

Thu Jul 10th 2025 United Airlines · UA 2215 Depart at 8:35pm from Houston (IAH) Fly for 2h 54m Arrive at 10:29pm in Denver (DEN)
US$284

12:50am - 2:25pm
Mon Jul 14th 2025

13h 35m
San José (SJO) → Denver (DEN)

1 Stop

Mon Jul 14th 2025 Alaska Airlines · AS 1351 Depart at 12:50am from San José (SJO) Fly for 6h 13m Arrive at 6:03am in Los Angeles (LAX)

Layover in Los Angeles for 4h 52m

Mon Jul 14th 2025 Frontier Airlines · F9 4346 Depart at 10:55am from Los Angeles (LAX) Fly for 2h 30m Arrive at 2:25pm in Denver (DEN)
US$285

5:30am - 2:22pm
Mon Jul 14th 2025

8h 52m
San José (SJO) → Denver (DEN)

1 Stop

Mon Jul 14th 2025 United Airlines · UA 1172 Depart at 5:30am from San José (SJO) Fly for 3h 49m Arrive at 10:19am in Houston (IAH)

Layover in Houston for 2h 31m

Mon Jul 14th 2025 United Airlines · UA 1211 Depart at 12:50pm from Houston (IAH) Fly for 2h 32m Arrive at 2:22pm in Denver (DEN)
US$285

1:30pm - 11:38pm
Tue Jul 15th 2025

10h 8m
San José (SJO) → Denver (DEN)

1 Stop

Tue Jul 15th 2025 United Airlines · UA 1099 Depart at 1:30pm from San José (SJO) Fly for 3h 55m Arrive at 6:25pm in Houston (IAH)

Layover in Houston for 3h 32m

Tue Jul 15th 2025 United Airlines · UA 1338 Depart at 9:57pm from Houston (IAH) Fly for 2h 41m Arrive at 11:38pm in Denver (DEN)
US$285

1:30pm - 11:38pm
Wed Jul 9th 2025

10h 8m
San José (SJO) → Denver (DEN)

1 Stop

Wed Jul 9th 2025 United Airlines · UA 1099 Depart at 1:30pm from San José (SJO) Fly for 3h 55m Arrive at 6:25pm in Houston (IAH)

Layover in Houston for 3h 32m

Wed Jul 9th 2025 United Airlines · UA 1338 Depart at 9:57pm from Houston (IAH) Fly for 2h 41m Arrive at 11:38pm in Denver (DEN)
US$285

5:30am - 4:40pm
Wed Jul 9th 2025

11h 10m
San José (SJO) → Denver (DEN)

1 Stop

Wed Jul 9th 2025 United Airlines · UA 1172 Depart at 5:30am from San José (SJO) Fly for 3h 49m Arrive at 10:19am in Houston (IAH)

Layover in Houston for 4h 31m

Wed Jul 9th 2025 United Airlines · UA 241 Depart at 2:50pm from Houston (IAH) Fly for 2h 50m Arrive at 4:40pm in Denver (DEN)
US$285

8:45am - 8:05pm
Sat Jul 12th 2025

11h 20m
San José (SJO) → Denver (DEN)

1 Stop

Sat Jul 12th 2025 United Airlines · UA 2313 Depart at 8:45am from San José (SJO) Fly for 6h 49m Arrive at 2:34pm in San Francisco (SFO)

Layover in San Francisco for 1h 48m

Sat Jul 12th 2025 United Airlines · UA 297 Depart at 4:22pm from San Francisco (SFO) Fly for 2h 43m Arrive at 8:05pm in Denver (DEN)
US$285

1:30pm - 6:32am
Tue Jul 8th 2025

17h 2m
San José (SJO) → Denver (DEN)

1 Stop

Tue Jul 8th 2025 United Airlines · UA 1099 Depart at 1:30pm from San José (SJO) Fly for 3h 55m Arrive at 6:25pm in Houston (IAH)

Layover in Houston for 10h 35m

Wed Jul 9th 2025 United Airlines · UA 2436 Depart at 5:00am from Houston (IAH) Fly for 2h 32m Arrive at 6:32am in Denver (DEN)
US$289

1:41pm - 8:42am
Tue Jul 15th 2025

19h 1m
San José (SJO) → Denver (DEN)

2 Stops

Tue Jul 15th 2025 Spirit Airlines · NK 1310 Depart at 1:41pm from San José (SJO) Fly for 3h 24m Arrive at 7:05pm in Orlando (MCO)

Layover in Orlando for 3h 40m

Tue Jul 15th 2025 Spirit Airlines · NK 1576 Depart at 10:45pm from Orlando (MCO) Fly for 2h 30m Arrive at 12:15am in Houston (IAH)

Layover in Houston for 6h 45m

Wed Jul 16th 2025 Frontier Airlines · F9 3229 Depart at 7:00am from Houston (IAH) Fly for 2h 42m Arrive at 8:42am in Denver (DEN)
US$299

12:23pm - 4:00am
Mon Jul 14th 2025

15h 37m
San José (SJO) → Denver (DEN)

2 Stops

Mon Jul 14th 2025 Spirit Airlines · NK 338 Depart at 12:23pm from San José (SJO) Fly for 3h 1m Arrive at 5:24pm in Fort Lauderdale (FLL)

Layover in Fort Lauderdale for 1h 41m

Mon Jul 14th 2025 Spirit Airlines · NK 777 Depart at 7:05pm from Fort Lauderdale (FLL) Fly for 5h 8m Arrive at 9:13pm in Las Vegas (LAS)

Layover in Las Vegas for 3h 46m

Tue Jul 15th 2025 Frontier Airlines · F9 1994 Depart at 12:59am from Las Vegas (LAS) Fly for 2h 1m Arrive at 4:00am in Denver (DEN)
US$303

11:49am - 5:17pm
Wed Jul 16th 2025

5h 28m
Liberia (LIR) → Denver (DEN)

Direct

Wed Jul 16th 2025 United Airlines · UA 1918 Depart at 11:49am from Liberia (LIR) Fly for 5h 28m Arrive at 5:17pm in Denver (DEN)
US$303

1:41pm - 7:40am
Thu Jul 10th 2025

17h 59m
San José (SJO) → Denver (DEN)

2 Stops

Thu Jul 10th 2025 Spirit Airlines · NK 1310 Depart at 1:41pm from San José (SJO) Fly for 3h 24m Arrive at 7:05pm in Orlando (MCO)

Layover in Orlando for 3h 40m

Thu Jul 10th 2025 Spirit Airlines · NK 1576 Depart at 10:45pm from Orlando (MCO) Fly for 2h 30m Arrive at 12:15am in Houston (IAH)

Layover in Houston for 5h 45m

Fri Jul 11th 2025 Frontier Airlines · F9 3229 Depart at 6:00am from Houston (IAH) Fly for 2h 40m Arrive at 7:40am in Denver (DEN)
US$309

3:25pm - 11:38pm
Tue Jul 8th 2025

8h 13m
Liberia (LIR) → Denver (DEN)

1 Stop

Tue Jul 8th 2025 United Airlines · UA 401 Depart at 3:25pm from Liberia (LIR) Fly for 3h 40m Arrive at 8:05pm in Houston (IAH)

Layover in Houston for 1h 52m

Tue Jul 8th 2025 United Airlines · UA 1338 Depart at 9:57pm from Houston (IAH) Fly for 2h 41m Arrive at 11:38pm in Denver (DEN)
US$309

1:20pm - 11:38pm
Tue Jul 8th 2025

10h 18m
Liberia (LIR) → Denver (DEN)

1 Stop

Tue Jul 8th 2025 United Airlines · UA 1516 Depart at 1:20pm from Liberia (LIR) Fly for 3h 42m Arrive at 6:02pm in Houston (IAH)

Layover in Houston for 3h 55m

Tue Jul 8th 2025 United Airlines · UA 1338 Depart at 9:57pm from Houston (IAH) Fly for 2h 41m Arrive at 11:38pm in Denver (DEN)
US$309

11:05am - 11:38pm
Tue Jul 8th 2025

12h 33m
Liberia (LIR) → Denver (DEN)

1 Stop

Tue Jul 8th 2025 United Airlines · UA 1036 Depart at 11:05am from Liberia (LIR) Fly for 3h 42m Arrive at 3:47pm in Houston (IAH)

Layover in Houston for 6h 10m

Tue Jul 8th 2025 United Airlines · UA 1338 Depart at 9:57pm from Houston (IAH) Fly for 2h 41m Arrive at 11:38pm in Denver (DEN)
US$309

3:25pm - 6:32am
Tue Jul 8th 2025

15h 7m
Liberia (LIR) → Denver (DEN)

1 Stop

Tue Jul 8th 2025 United Airlines · UA 401 Depart at 3:25pm from Liberia (LIR) Fly for 3h 40m Arrive at 8:05pm in Houston (IAH)

Layover in Houston for 8h 55m

Wed Jul 9th 2025 United Airlines · UA 2436 Depart at 5:00am from Houston (IAH) Fly for 2h 32m Arrive at 6:32am in Denver (DEN)
US$309

3:25pm - 8:55am
Tue Jul 8th 2025

17h 30m
Liberia (LIR) → Denver (DEN)

1 Stop

Tue Jul 8th 2025 United Airlines · UA 401 Depart at 3:25pm from Liberia (LIR) Fly for 3h 40m Arrive at 8:05pm in Houston (IAH)

Layover in Houston for 11h 15m

Wed Jul 9th 2025 United Airlines · UA 2433 Depart at 7:20am from Houston (IAH) Fly for 2h 35m Arrive at 8:55am in Denver (DEN)
US$309

11:05am - 6:32am
Tue Jul 8th 2025

19h 27m
Liberia (LIR) → Denver (DEN)

1 Stop

Tue Jul 8th 2025 United Airlines · UA 1036 Depart at 11:05am from Liberia (LIR) Fly for 3h 42m Arrive at 3:47pm in Houston (IAH)

Layover in Houston for 13h 13m

Wed Jul 9th 2025 United Airlines · UA 2436 Depart at 5:00am from Houston (IAH) Fly for 2h 32m Arrive at 6:32am in Denver (DEN)
US$309

3:25pm - 12:52pm
Tue Jul 8th 2025

21h 27m
Liberia (LIR) → Denver (DEN)

1 Stop

Tue Jul 8th 2025 United Airlines · UA 401 Depart at 3:25pm from Liberia (LIR) Fly for 3h 40m Arrive at 8:05pm in Houston (IAH)

Layover in Houston for 15h 11m

Wed Jul 9th 2025 United Airlines · UA 434 Depart at 11:16am from Houston (IAH) Fly for 2h 36m Arrive at 12:52pm in Denver (DEN)
US$313

3:25pm - 11:38pm
Fri Jul 11th 2025

8h 13m
Liberia (LIR) → Denver (DEN)

1 Stop

Fri Jul 11th 2025 United Airlines · UA 401 Depart at 3:25pm from Liberia (LIR) Fly for 3h 40m Arrive at 8:05pm in Houston (IAH)

Layover in Houston for 1h 52m

Fri Jul 11th 2025 United Airlines · UA 1338 Depart at 9:57pm from Houston (IAH) Fly for 2h 41m Arrive at 11:38pm in Denver (DEN)
US$313

3:25pm - 11:38pm
Wed Jul 9th 2025

8h 13m
Liberia (LIR) → Denver (DEN)

1 Stop

Wed Jul 9th 2025 United Airlines · UA 401 Depart at 3:25pm from Liberia (LIR) Fly for 3h 40m Arrive at 8:05pm in Houston (IAH)

Layover in Houston for 1h 52m

Wed Jul 9th 2025 United Airlines · UA 1338 Depart at 9:57pm from Houston (IAH) Fly for 2h 41m Arrive at 11:38pm in Denver (DEN)
US$313

3:25pm - 11:38pm
Tue Jul 15th 2025

8h 13m
Liberia (LIR) → Denver (DEN)

1 Stop

Tue Jul 15th 2025 United Airlines · UA 401 Depart at 3:25pm from Liberia (LIR) Fly for 3h 40m Arrive at 8:05pm in Houston (IAH)

Layover in Houston for 1h 52m

Tue Jul 15th 2025 United Airlines · UA 1338 Depart at 9:57pm from Houston (IAH) Fly for 2h 41m Arrive at 11:38pm in Denver (DEN)
US$313

3:25pm - 11:38pm
Wed Jul 16th 2025

8h 13m
Liberia (LIR) → Denver (DEN)

1 Stop

Wed Jul 16th 2025 United Airlines · UA 401 Depart at 3:25pm from Liberia (LIR) Fly for 3h 40m Arrive at 8:05pm in Houston (IAH)

Layover in Houston for 1h 52m

Wed Jul 16th 2025 United Airlines · UA 1338 Depart at 9:57pm from Houston (IAH) Fly for 2h 41m Arrive at 11:38pm in Denver (DEN)
US$313

3:25pm - 11:38pm
Thu Jul 10th 2025

8h 13m
Liberia (LIR) → Denver (DEN)

1 Stop

Thu Jul 10th 2025 United Airlines · UA 401 Depart at 3:25pm from Liberia (LIR) Fly for 3h 40m Arrive at 8:05pm in Houston (IAH)

Layover in Houston for 1h 52m

Thu Jul 10th 2025 United Airlines · UA 1338 Depart at 9:57pm from Houston (IAH) Fly for 2h 41m Arrive at 11:38pm in Denver (DEN)
US$313

11:05am - 7:59pm
Wed Jul 9th 2025

8h 54m
Liberia (LIR) → Denver (DEN)

1 Stop

Wed Jul 9th 2025 United Airlines · UA 1036 Depart at 11:05am from Liberia (LIR) Fly for 3h 42m Arrive at 3:47pm in Houston (IAH)

Layover in Houston for 2h 18m

Wed Jul 9th 2025 United Airlines · UA 1654 Depart at 6:05pm from Houston (IAH) Fly for 2h 54m Arrive at 7:59pm in Denver (DEN)
US$313

1:20pm - 10:29pm
Wed Jul 9th 2025

9h 9m
Liberia (LIR) → Denver (DEN)

1 Stop

Wed Jul 9th 2025 United Airlines · UA 1516 Depart at 1:20pm from Liberia (LIR) Fly for 3h 42m Arrive at 6:02pm in Houston (IAH)

Layover in Houston for 2h 33m

Wed Jul 9th 2025 United Airlines · UA 2215 Depart at 8:35pm from Houston (IAH) Fly for 2h 54m Arrive at 10:29pm in Denver (DEN)
US$313

1:41pm - 8:02am
Sun Jul 13th 2025

18h 21m
San José (SJO) → Denver (DEN)

1 Stop

Sun Jul 13th 2025 Spirit Airlines · NK 1310 Depart at 1:41pm from San José (SJO) Fly for 3h 24m Arrive at 7:05pm in Orlando (MCO)

Layover in Orlando for 10h 55m

Mon Jul 14th 2025 Frontier Airlines · F9 1733 Depart at 6:00am from Orlando (MCO) Fly for 4h 2m Arrive at 8:02am in Denver (DEN)
US$330

7:55am - 4:40pm
Tue Jul 8th 2025

8h 45m
San José (SJO) → Denver (DEN)

1 Stop

Tue Jul 8th 2025 United Airlines · UA 1447 Depart at 7:55am from San José (SJO) Fly for 3h 49m Arrive at 12:44pm in Houston (IAH)

Layover in Houston for 2h 6m

Tue Jul 8th 2025 United Airlines · UA 241 Depart at 2:50pm from Houston (IAH) Fly for 2h 50m Arrive at 4:40pm in Denver (DEN)
US$330

1:30pm - 10:29pm
Tue Jul 8th 2025

8h 59m
San José (SJO) → Denver (DEN)

1 Stop

Tue Jul 8th 2025 United Airlines · UA 1099 Depart at 1:30pm from San José (SJO) Fly for 3h 55m Arrive at 6:25pm in Houston (IAH)

Layover in Houston for 2h 10m

Tue Jul 8th 2025 United Airlines · UA 2215 Depart at 8:35pm from Houston (IAH) Fly for 2h 54m Arrive at 10:29pm in Denver (DEN)
US$330

1:30pm - 11:38pm
Tue Jul 8th 2025

10h 8m
San José (SJO) → Denver (DEN)

1 Stop

Tue Jul 8th 2025 United Airlines · UA 1099 Depart at 1:30pm from San José (SJO) Fly for 3h 55m Arrive at 6:25pm in Houston (IAH)

Layover in Houston for 3h 32m

Tue Jul 8th 2025 United Airlines · UA 1338 Depart at 9:57pm from Houston (IAH) Fly for 2h 41m Arrive at 11:38pm in Denver (DEN)
US$330

5:30am - 4:40pm
Tue Jul 8th 2025

11h 10m
San José (SJO) → Denver (DEN)

1 Stop

Tue Jul 8th 2025 United Airlines · UA 1172 Depart at 5:30am from San José (SJO) Fly for 3h 49m Arrive at 10:19am in Houston (IAH)

Layover in Houston for 4h 31m

Tue Jul 8th 2025 United Airlines · UA 241 Depart at 2:50pm from Houston (IAH) Fly for 2h 50m Arrive at 4:40pm in Denver (DEN)
US$330

11:13am - 10:29pm
Tue Jul 8th 2025

11h 16m
San José (SJO) → Denver (DEN)

1 Stop

Tue Jul 8th 2025 United Airlines · UA 1589 Depart at 11:13am from San José (SJO) Fly for 3h 53m Arrive at 4:06pm in Houston (IAH)

Layover in Houston for 4h 29m

Tue Jul 8th 2025 United Airlines · UA 2215 Depart at 8:35pm from Houston (IAH) Fly for 2h 54m Arrive at 10:29pm in Denver (DEN)
US$330

8:45am - 8:05pm
Tue Jul 8th 2025

11h 20m
San José (SJO) → Denver (DEN)

1 Stop

Tue Jul 8th 2025 United Airlines · UA 2313 Depart at 8:45am from San José (SJO) Fly for 6h 49m Arrive at 2:34pm in San Francisco (SFO)

Layover in San Francisco for 1h 48m

Tue Jul 8th 2025 United Airlines · UA 297 Depart at 4:22pm from San Francisco (SFO) Fly for 2h 43m Arrive at 8:05pm in Denver (DEN)
US$330

7:55am - 7:59pm
Tue Jul 8th 2025

12h 4m
San José (SJO) → Denver (DEN)

1 Stop

Tue Jul 8th 2025 United Airlines · UA 1447 Depart at 7:55am from San José (SJO) Fly for 3h 49m Arrive at 12:44pm in Houston (IAH)

Layover in Houston for 5h 21m

Tue Jul 8th 2025 United Airlines · UA 1654 Depart at 6:05pm from Houston (IAH) Fly for 2h 54m Arrive at 7:59pm in Denver (DEN)
US$330

8:45am - 10:39pm
Tue Jul 8th 2025

13h 54m
San José (SJO) → Denver (DEN)

1 Stop

Tue Jul 8th 2025 United Airlines · UA 2313 Depart at 8:45am from San José (SJO) Fly for 6h 49m Arrive at 2:34pm in San Francisco (SFO)

Layover in San Francisco for 4h 29m

Tue Jul 8th 2025 United Airlines · UA 1230 Depart at 7:03pm from San Francisco (SFO) Fly for 2h 36m Arrive at 10:39pm in Denver (DEN)
US$336

11:49am - 5:17pm
Mon Jul 14th 2025

5h 28m
Liberia (LIR) → Denver (DEN)

Direct

Mon Jul 14th 2025 United Airlines · UA 1918 Depart at 11:49am from Liberia (LIR) Fly for 5h 28m Arrive at 5:17pm in Denver (DEN)
US$339

5:25pm - 8:21am
Wed Jul 9th 2025

14h 56m
San José (SJO) → Denver (DEN)

2 Stops

Wed Jul 9th 2025 Avianca · AV 602 Depart at 5:25pm from San José (SJO) Fly for 0h 55m Arrive at 6:20pm in Managua (MGA)

Layover in Managua for 1h 5m

Wed Jul 9th 2025 Avianca · AV 602 Depart at 7:25pm from Managua (MGA) Fly for 2h 30m Arrive at 11:55pm in Miami (MIA)

Layover in Miami for 6h 5m

Thu Jul 10th 2025 Frontier Airlines · F9 1279 Depart at 6:00am from Miami (MIA) Fly for 4h 21m Arrive at 8:21am in Denver (DEN)
US$342

3:25pm - 11:38pm
Mon Jul 14th 2025

8h 13m
Liberia (LIR) → Denver (DEN)

1 Stop

Mon Jul 14th 2025 United Airlines · UA 401 Depart at 3:25pm from Liberia (LIR) Fly for 3h 40m Arrive at 8:05pm in Houston (IAH)

Layover in Houston for 1h 52m

Mon Jul 14th 2025 United Airlines · UA 1338 Depart at 9:57pm from Houston (IAH) Fly for 2h 41m Arrive at 11:38pm in Denver (DEN)
US$342

3:25pm - 11:38pm
Sun Jul 13th 2025

8h 13m
Liberia (LIR) → Denver (DEN)

1 Stop

Sun Jul 13th 2025 United Airlines · UA 401 Depart at 3:25pm from Liberia (LIR) Fly for 3h 40m Arrive at 8:05pm in Houston (IAH)

Layover in Houston for 1h 52m

Sun Jul 13th 2025 United Airlines · UA 1338 Depart at 9:57pm from Houston (IAH) Fly for 2h 41m Arrive at 11:38pm in Denver (DEN)
US$342

4:00pm - 8:24am
Sun Jul 13th 2025

16h 24m
Liberia (LIR) → Denver (DEN)

1 Stop

Sun Jul 13th 2025 United Airlines · UA 1993 Depart at 4:00pm from Liberia (LIR) Fly for 5h 56m Arrive at 8:56pm in Los Angeles (LAX)

Layover in Los Angeles for 8h 9m

Mon Jul 14th 2025 United Airlines · UA 1339 Depart at 5:05am from Los Angeles (LAX) Fly for 2h 19m Arrive at 8:24am in Denver (DEN)
US$347

3:25pm - 11:38pm
Sat Jul 12th 2025

8h 13m
Liberia (LIR) → Denver (DEN)

1 Stop

Sat Jul 12th 2025 United Airlines · UA 401 Depart at 3:25pm from Liberia (LIR) Fly for 3h 40m Arrive at 8:05pm in Houston (IAH)

Layover in Houston for 1h 52m

Sat Jul 12th 2025 United Airlines · UA 1338 Depart at 9:57pm from Houston (IAH) Fly for 2h 41m Arrive at 11:38pm in Denver (DEN)
US$348

7:55am - 4:40pm
Thu Jul 10th 2025

8h 45m
San José (SJO) → Denver (DEN)

1 Stop

Thu Jul 10th 2025 United Airlines · UA 1447 Depart at 7:55am from San José (SJO) Fly for 3h 49m Arrive at 12:44pm in Houston (IAH)

Layover in Houston for 2h 6m

Thu Jul 10th 2025 United Airlines · UA 241 Depart at 2:50pm from Houston (IAH) Fly for 2h 50m Arrive at 4:40pm in Denver (DEN)
US$354

1:20pm - 10:29pm
Tue Jul 15th 2025

9h 9m
Liberia (LIR) → Denver (DEN)

1 Stop

Tue Jul 15th 2025 United Airlines · UA 1516 Depart at 1:20pm from Liberia (LIR) Fly for 3h 42m Arrive at 6:02pm in Houston (IAH)

Layover in Houston for 2h 33m

Tue Jul 15th 2025 United Airlines · UA 2215 Depart at 8:35pm from Houston (IAH) Fly for 2h 54m Arrive at 10:29pm in Denver (DEN)
US$356

1:30pm - 6:32am
Fri Jul 11th 2025

17h 2m
San José (SJO) → Denver (DEN)

1 Stop

Fri Jul 11th 2025 United Airlines · UA 1099 Depart at 1:30pm from San José (SJO) Fly for 3h 55m Arrive at 6:25pm in Houston (IAH)

Layover in Houston for 10h 35m

Sat Jul 12th 2025 United Airlines · UA 2436 Depart at 5:00am from Houston (IAH) Fly for 2h 32m Arrive at 6:32am in Denver (DEN)
US$361

7:55am - 4:40pm
Wed Jul 9th 2025

8h 45m
San José (SJO) → Denver (DEN)

1 Stop

Wed Jul 9th 2025 United Airlines · UA 1447 Depart at 7:55am from San José (SJO) Fly for 3h 49m Arrive at 12:44pm in Houston (IAH)

Layover in Houston for 2h 6m

Wed Jul 9th 2025 United Airlines · UA 241 Depart at 2:50pm from Houston (IAH) Fly for 2h 50m Arrive at 4:40pm in Denver (DEN)
US$361

7:55am - 4:40pm
Sat Jul 12th 2025

8h 45m
San José (SJO) → Denver (DEN)

1 Stop

Sat Jul 12th 2025 United Airlines · UA 1447 Depart at 7:55am from San José (SJO) Fly for 3h 49m Arrive at 12:44pm in Houston (IAH)

Layover in Houston for 2h 6m

Sat Jul 12th 2025 United Airlines · UA 241 Depart at 2:50pm from Houston (IAH) Fly for 2h 50m Arrive at 4:40pm in Denver (DEN)
US$361

5:30am - 2:22pm
Wed Jul 9th 2025

8h 52m
San José (SJO) → Denver (DEN)

1 Stop

Wed Jul 9th 2025 United Airlines · UA 1172 Depart at 5:30am from San José (SJO) Fly for 3h 49m Arrive at 10:19am in Houston (IAH)

Layover in Houston for 2h 31m

Wed Jul 9th 2025 United Airlines · UA 1211 Depart at 12:50pm from Houston (IAH) Fly for 2h 32m Arrive at 2:22pm in Denver (DEN)
US$361

1:30pm - 10:29pm
Wed Jul 9th 2025

8h 59m
San José (SJO) → Denver (DEN)

1 Stop

Wed Jul 9th 2025 United Airlines · UA 1099 Depart at 1:30pm from San José (SJO) Fly for 3h 55m Arrive at 6:25pm in Houston (IAH)

Layover in Houston for 2h 10m

Wed Jul 9th 2025 United Airlines · UA 2215 Depart at 8:35pm from Houston (IAH) Fly for 2h 54m Arrive at 10:29pm in Denver (DEN)
US$361

8:45am - 8:05pm
Tue Jul 15th 2025

11h 20m
San José (SJO) → Denver (DEN)

1 Stop

Tue Jul 15th 2025 United Airlines · UA 2313 Depart at 8:45am from San José (SJO) Fly for 6h 49m Arrive at 2:34pm in San Francisco (SFO)

Layover in San Francisco for 1h 48m

Tue Jul 15th 2025 United Airlines · UA 297 Depart at 4:22pm from San Francisco (SFO) Fly for 2h 43m Arrive at 8:05pm in Denver (DEN)
US$370

11:49am - 5:17pm
Wed Jul 9th 2025

5h 28m
Liberia (LIR) → Denver (DEN)

Direct

Wed Jul 9th 2025 United Airlines · UA 1918 Depart at 11:49am from Liberia (LIR) Fly for 5h 28m Arrive at 5:17pm in Denver (DEN)
US$370

11:49am - 5:17pm
Fri Jul 11th 2025

5h 28m
Liberia (LIR) → Denver (DEN)

Direct

Fri Jul 11th 2025 United Airlines · UA 1918 Depart at 11:49am from Liberia (LIR) Fly for 5h 28m Arrive at 5:17pm in Denver (DEN)
US$370

11:49am - 5:17pm
Thu Jul 10th 2025

5h 28m
Liberia (LIR) → Denver (DEN)

Direct

Thu Jul 10th 2025 United Airlines · UA 1918 Depart at 11:49am from Liberia (LIR) Fly for 5h 28m Arrive at 5:17pm in Denver (DEN)
US$370

11:49am - 5:17pm
Tue Jul 15th 2025

5h 28m
Liberia (LIR) → Denver (DEN)

Direct

Tue Jul 15th 2025 United Airlines · UA 1918 Depart at 11:49am from Liberia (LIR) Fly for 5h 28m Arrive at 5:17pm in Denver (DEN)
US$370

11:49am - 5:17pm
Tue Jul 8th 2025

5h 28m
Liberia (LIR) → Denver (DEN)

Direct

Tue Jul 8th 2025 United Airlines · UA 1918 Depart at 11:49am from Liberia (LIR) Fly for 5h 28m Arrive at 5:17pm in Denver (DEN)
US$376

1:20pm - 10:29pm
Mon Jul 14th 2025

9h 9m
Liberia (LIR) → Denver (DEN)

1 Stop

Mon Jul 14th 2025 United Airlines · UA 1516 Depart at 1:20pm from Liberia (LIR) Fly for 3h 42m Arrive at 6:02pm in Houston (IAH)

Layover in Houston for 2h 33m

Mon Jul 14th 2025 United Airlines · UA 2215 Depart at 8:35pm from Houston (IAH) Fly for 2h 54m Arrive at 10:29pm in Denver (DEN)
US$381

1:20pm - 10:29pm
Thu Jul 10th 2025

9h 9m
Liberia (LIR) → Denver (DEN)

1 Stop

Thu Jul 10th 2025 United Airlines · UA 1516 Depart at 1:20pm from Liberia (LIR) Fly for 3h 42m Arrive at 6:02pm in Houston (IAH)

Layover in Houston for 2h 33m

Thu Jul 10th 2025 United Airlines · UA 2215 Depart at 8:35pm from Houston (IAH) Fly for 2h 54m Arrive at 10:29pm in Denver (DEN)
US$407

11:13am - 7:59pm
Tue Jul 8th 2025

8h 46m
San José (SJO) → Denver (DEN)

1 Stop

Tue Jul 8th 2025 United Airlines · UA 1589 Depart at 11:13am from San José (SJO) Fly for 3h 53m Arrive at 4:06pm in Houston (IAH)

Layover in Houston for 1h 59m

Tue Jul 8th 2025 United Airlines · UA 1654 Depart at 6:05pm from Houston (IAH) Fly for 2h 54m Arrive at 7:59pm in Denver (DEN)
US$440

7:55am - 4:40pm
Tue Jul 15th 2025

8h 45m
San José (SJO) → Denver (DEN)

1 Stop

Tue Jul 15th 2025 United Airlines · UA 1447 Depart at 7:55am from San José (SJO) Fly for 3h 49m Arrive at 12:44pm in Houston (IAH)

Layover in Houston for 2h 6m

Tue Jul 15th 2025 United Airlines · UA 241 Depart at 2:50pm from Houston (IAH) Fly for 2h 50m Arrive at 4:40pm in Denver (DEN)
US$545

11:13am - 7:59pm
Fri Jul 11th 2025

8h 46m
San José (SJO) → Denver (DEN)

1 Stop

Fri Jul 11th 2025 United Airlines · UA 1589 Depart at 11:13am from San José (SJO) Fly for 3h 53m Arrive at 4:06pm in Houston (IAH)

Layover in Houston for 1h 59m

Fri Jul 11th 2025 United Airlines · UA 1654 Depart at 6:05pm from Houston (IAH) Fly for 2h 54m Arrive at 7:59pm in Denver (DEN)
US$595

11:49am - 5:17pm
Sat Jul 12th 2025

5h 28m
Liberia (LIR) → Denver (DEN)

Direct

Sat Jul 12th 2025 United Airlines · UA 1918 Depart at 11:49am from Liberia (LIR) Fly for 5h 28m Arrive at 5:17pm in Denver (DEN)
US$596

11:49am - 5:17pm
Sun Jul 13th 2025

5h 28m
Liberia (LIR) → Denver (DEN)

Direct

Sun Jul 13th 2025 United Airlines · UA 1918 Depart at 11:49am from Liberia (LIR) Fly for 5h 28m Arrive at 5:17pm in Denver (DEN)

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

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

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

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

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! 💪

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.

Flights from Costa Rica to Denver (CR to DEN)

Sarah Belizaire

John Ford

Roaming Sonaa

Andy Travels

Travel With Bender

Wesley Mergard

Explore Flight Options

FlightList Blog

Flightlist Interviews 7 Travel Experts On Why They Book One Way Flights

Why I Built FlightList & Solved My Own Problem

About FlightList