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Flights from Portland to Knoxville (PDX to TYS)

Discover alternate routes & cheap one way flights from Portland to Knoxville (PDX to TYS) within a departure date range.

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  • USD 130
    United AirlinesFrontier Airlines
    5:15am - 10:29pm
    Sat Feb 4th
    14h 14m
    Portland (PDX) → Knoxville (TYS)
    1 Stop

    Sat Feb 4th 2023 United Airlines · UA 2493 Depart at 5:15am from Portland (PDX) Fly for 2h 29m Arrive at 8:44am in Denver (DEN)

    Layover in Denver for 9h 1m

    Sat Feb 4th 2023 Frontier Airlines · F9 586 Depart at 5:45pm from Denver (DEN) Fly for 2h 44m Arrive at 10:29pm in Knoxville (TYS)

  • USD 130
    United AirlinesFrontier Airlines
    4:10pm - 10:32am
    Thu Feb 2nd
    15h 22m
    Portland (PDX) → Knoxville (TYS)
    1 Stop

    Thu Feb 2nd 2023 United Airlines · UA 2254 Depart at 4:10pm from Portland (PDX) Fly for 2h 30m Arrive at 7:40pm in Denver (DEN)

    Layover in Denver for 10h 5m

    Fri Feb 3rd 2023 Frontier Airlines · F9 586 Depart at 5:45am from Denver (DEN) Fly for 2h 47m Arrive at 10:32am in Knoxville (TYS)

  • USD 137
    Spirit AirlinesFrontier Airlines
    4:25pm - 10:32am
    Thu Feb 2nd
    15h 7m
    Portland (PDX) → Knoxville (TYS)
    2 Stops

    Thu Feb 2nd 2023 Spirit Airlines · NK 2234 Depart at 4:25pm from Portland (PDX) Fly for 2h 4m Arrive at 6:29pm in Las Vegas (LAS)

    Layover in Las Vegas for 3h 15m

    Thu Feb 2nd 2023 Frontier Airlines · F9 774 Depart at 9:44pm from Las Vegas (LAS) Fly for 2h 0m Arrive at 12:44am in Denver (DEN)

    Layover in Denver for 5h 1m

    Fri Feb 3rd 2023 Frontier Airlines · F9 586 Depart at 5:45am from Denver (DEN) Fly for 2h 47m Arrive at 10:32am in Knoxville (TYS)

  • USD 137
    Frontier Airlines
    7:30pm - 10:41pm
    Sun Jan 29th
    24h 11m
    Portland (PDX) → Knoxville (TYS)
    2 Stops

    Sun Jan 29th 2023 Frontier Airlines · F9 2180 Depart at 7:30pm from Portland (PDX) Fly for 2h 13m Arrive at 9:43pm in Las Vegas (LAS)

    Layover in Las Vegas for 8h 2m

    Mon Jan 30th 2023 Frontier Airlines · F9 70 Depart at 5:45am from Las Vegas (LAS) Fly for 1h 59m Arrive at 8:44am in Denver (DEN)

    Layover in Denver for 9h 13m

    Mon Jan 30th 2023 Frontier Airlines · F9 586 Depart at 5:57pm from Denver (DEN) Fly for 2h 44m Arrive at 10:41pm in Knoxville (TYS)

  • USD 138
    Spirit AirlinesFrontier Airlines
    9:49pm - 10:41pm
    Sun Jan 29th
    21h 52m
    Portland (PDX) → Knoxville (TYS)
    2 Stops

    Sun Jan 29th 2023 Spirit Airlines · NK 261 Depart at 9:49pm from Portland (PDX) Fly for 2h 10m Arrive at 11:59pm in Las Vegas (LAS)

    Layover in Las Vegas for 5h 46m

    Mon Jan 30th 2023 Frontier Airlines · F9 70 Depart at 5:45am from Las Vegas (LAS) Fly for 1h 59m Arrive at 8:44am in Denver (DEN)

    Layover in Denver for 9h 13m

    Mon Jan 30th 2023 Frontier Airlines · F9 586 Depart at 5:57pm from Denver (DEN) Fly for 2h 44m Arrive at 10:41pm in Knoxville (TYS)

  • USD 138
    Frontier Airlines
    7:30pm - 10:41pm
    Sun Jan 29th
    24h 11m
    Portland (PDX) → Knoxville (TYS)
    2 Stops

    Sun Jan 29th 2023 Frontier Airlines · F9 2180 Depart at 7:30pm from Portland (PDX) Fly for 2h 13m Arrive at 9:43pm in Las Vegas (LAS)

    Layover in Las Vegas for 10h 35m

    Mon Jan 30th 2023 Frontier Airlines · F9 772 Depart at 8:18am from Las Vegas (LAS) Fly for 1h 59m Arrive at 11:17am in Denver (DEN)

    Layover in Denver for 6h 40m

    Mon Jan 30th 2023 Frontier Airlines · F9 586 Depart at 5:57pm from Denver (DEN) Fly for 2h 44m Arrive at 10:41pm in Knoxville (TYS)

  • USD 139
    Spirit AirlinesFrontier Airlines
    9:49pm - 10:41pm
    Sun Jan 29th
    21h 52m
    Portland (PDX) → Knoxville (TYS)
    2 Stops

    Sun Jan 29th 2023 Spirit Airlines · NK 261 Depart at 9:49pm from Portland (PDX) Fly for 2h 10m Arrive at 11:59pm in Las Vegas (LAS)

    Layover in Las Vegas for 8h 19m

    Mon Jan 30th 2023 Frontier Airlines · F9 772 Depart at 8:18am from Las Vegas (LAS) Fly for 1h 59m Arrive at 11:17am in Denver (DEN)

    Layover in Denver for 6h 40m

    Mon Jan 30th 2023 Frontier Airlines · F9 586 Depart at 5:57pm from Denver (DEN) Fly for 2h 44m Arrive at 10:41pm in Knoxville (TYS)

  • USD 146
    Spirit AirlinesFrontier Airlines
    5:30am - 10:41pm
    Mon Jan 30th
    14h 11m
    Portland (PDX) → Knoxville (TYS)
    2 Stops

    Mon Jan 30th 2023 Spirit Airlines · NK 1722 Depart at 5:30am from Portland (PDX) Fly for 2h 1m Arrive at 7:31am in Las Vegas (LAS)

    Layover in Las Vegas for 1h 59m

    Mon Jan 30th 2023 Spirit Airlines · NK 906 Depart at 9:30am from Las Vegas (LAS) Fly for 1h 52m Arrive at 12:22pm in Denver (DEN)

    Layover in Denver for 5h 35m

    Mon Jan 30th 2023 Frontier Airlines · F9 586 Depart at 5:57pm from Denver (DEN) Fly for 2h 44m Arrive at 10:41pm in Knoxville (TYS)

  • USD 149
    Frontier AirlinesAmerican Airlines
    6:33am - 10:29pm
    Sat Feb 4th
    12h 56m
    Portland (PDX) → Knoxville (TYS)
    2 Stops

    Sat Feb 4th 2023 American Airlines · AA 3122 Depart at 6:33am from Portland (PDX) Fly for 2h 32m Arrive at 9:05am in Los Angeles (LAX)

    Layover in Los Angeles for 1h 2m

    Sat Feb 4th 2023 American Airlines · AA 3076 Depart at 10:07am from Los Angeles (LAX) Fly for 2h 24m Arrive at 1:31pm in Denver (DEN)

    Layover in Denver for 4h 14m

    Sat Feb 4th 2023 Frontier Airlines · F9 586 Depart at 5:45pm from Denver (DEN) Fly for 2h 44m Arrive at 10:29pm in Knoxville (TYS)

  • USD 150
    Allegiant AirFrontier Airlines
    7:30pm - 5:27pm
    Sun Feb 5th
    18h 57m
    Portland (PDX) → Knoxville (TYS)
    1 Stop

    Sun Feb 5th 2023 Frontier Airlines · F9 2180 Depart at 7:30pm from Portland (PDX) Fly for 2h 13m Arrive at 9:43pm in Las Vegas (LAS)

    Layover in Las Vegas for 13h 6m

    Mon Feb 6th 2023 Allegiant Air · G4 3027 Depart at 10:49am from Las Vegas (LAS) Fly for 3h 38m Arrive at 5:27pm in Knoxville (TYS)

  • USD 151
    Spirit AirlinesAllegiant Air
    9:49pm - 5:27pm
    Sun Feb 5th
    16h 38m
    Portland (PDX) → Knoxville (TYS)
    1 Stop

    Sun Feb 5th 2023 Spirit Airlines · NK 261 Depart at 9:49pm from Portland (PDX) Fly for 2h 10m Arrive at 11:59pm in Las Vegas (LAS)

    Layover in Las Vegas for 10h 50m

    Mon Feb 6th 2023 Allegiant Air · G4 3027 Depart at 10:49am from Las Vegas (LAS) Fly for 3h 38m Arrive at 5:27pm in Knoxville (TYS)

  • USD 154
    Delta Air LinesFrontier Airlines
    7:27pm - 10:32am
    Thu Feb 2nd
    12h 5m
    Portland (PDX) → Knoxville (TYS)
    2 Stops

    Thu Feb 2nd 2023 Delta Air Lines · DL 2943 Depart at 7:27pm from Portland (PDX) Fly for 1h 48m Arrive at 10:15pm in Salt Lake City (SLC)

    Layover in Salt Lake City for 0h 44m

    Thu Feb 2nd 2023 Delta Air Lines · DL 2898 Depart at 10:59pm from Salt Lake City (SLC) Fly for 1h 36m Arrive at 12:35am in Denver (DEN)

    Layover in Denver for 5h 10m

    Fri Feb 3rd 2023 Frontier Airlines · F9 586 Depart at 5:45am from Denver (DEN) Fly for 2h 47m Arrive at 10:32am in Knoxville (TYS)

  • USD 154
    Delta Air LinesFrontier Airlines
    6:36pm - 10:32am
    Thu Feb 2nd
    12h 56m
    Portland (PDX) → Knoxville (TYS)
    2 Stops

    Thu Feb 2nd 2023 Delta Air Lines · DL 2631 Depart at 6:36pm from Portland (PDX) Fly for 1h 46m Arrive at 9:22pm in Salt Lake City (SLC)

    Layover in Salt Lake City for 1h 37m

    Thu Feb 2nd 2023 Delta Air Lines · DL 2898 Depart at 10:59pm from Salt Lake City (SLC) Fly for 1h 36m Arrive at 12:35am in Denver (DEN)

    Layover in Denver for 5h 10m

    Fri Feb 3rd 2023 Frontier Airlines · F9 586 Depart at 5:45am from Denver (DEN) Fly for 2h 47m Arrive at 10:32am in Knoxville (TYS)

  • USD 154
    Delta Air LinesFrontier Airlines
    5:35am - 10:29pm
    Sat Feb 4th
    13h 54m
    Portland (PDX) → Knoxville (TYS)
    2 Stops

    Sat Feb 4th 2023 Delta Air Lines · DL 504 Depart at 5:35am from Portland (PDX) Fly for 1h 3m Arrive at 6:38am in Seattle (SEA)

    Layover in Seattle for 0h 44m

    Sat Feb 4th 2023 Delta Air Lines · DL 977 Depart at 7:22am from Seattle (SEA) Fly for 2h 48m Arrive at 11:10am in Denver (DEN)

    Layover in Denver for 6h 35m

    Sat Feb 4th 2023 Frontier Airlines · F9 586 Depart at 5:45pm from Denver (DEN) Fly for 2h 44m Arrive at 10:29pm in Knoxville (TYS)

  • USD 154
    Delta Air LinesFrontier Airlines
    5:20pm - 10:32am
    Thu Feb 2nd
    14h 12m
    Portland (PDX) → Knoxville (TYS)
    2 Stops

    Thu Feb 2nd 2023 Delta Air Lines · DL 3661 Depart at 5:20pm from Portland (PDX) Fly for 1h 3m Arrive at 6:23pm in Seattle (SEA)

    Layover in Seattle for 1h 33m

    Thu Feb 2nd 2023 Delta Air Lines · DL 1735 Depart at 7:56pm from Seattle (SEA) Fly for 2h 40m Arrive at 11:36pm in Denver (DEN)

    Layover in Denver for 6h 9m

    Fri Feb 3rd 2023 Frontier Airlines · F9 586 Depart at 5:45am from Denver (DEN) Fly for 2h 47m Arrive at 10:32am in Knoxville (TYS)

  • USD 163
    Allegiant AirFrontier Airlines
    7:30pm - 5:35pm
    Sun Jan 29th
    19h 5m
    Portland (PDX) → Knoxville (TYS)
    1 Stop

    Sun Jan 29th 2023 Frontier Airlines · F9 2180 Depart at 7:30pm from Portland (PDX) Fly for 2h 13m Arrive at 9:43pm in Las Vegas (LAS)

    Layover in Las Vegas for 13h 10m

    Mon Jan 30th 2023 Allegiant Air · G4 1416 Depart at 10:53am from Las Vegas (LAS) Fly for 3h 42m Arrive at 5:35pm in Knoxville (TYS)

  • USD 164
    Spirit AirlinesAllegiant Air
    5:30am - 5:35pm
    Mon Jan 30th
    9h 5m
    Portland (PDX) → Knoxville (TYS)
    1 Stop

    Mon Jan 30th 2023 Spirit Airlines · NK 1722 Depart at 5:30am from Portland (PDX) Fly for 2h 1m Arrive at 7:31am in Las Vegas (LAS)

    Layover in Las Vegas for 3h 22m

    Mon Jan 30th 2023 Allegiant Air · G4 1416 Depart at 10:53am from Las Vegas (LAS) Fly for 3h 42m Arrive at 5:35pm in Knoxville (TYS)

  • USD 166
    Delta Air LinesFrontier Airlines
    6:40pm - 2:05pm
    Fri Feb 3rd
    16h 25m
    Portland (PDX) → Knoxville (TYS)
    2 Stops

    Fri Feb 3rd 2023 Frontier Airlines · F9 790 Depart at 6:40pm from Portland (PDX) Fly for 2h 35m Arrive at 10:15pm in Denver (DEN)

    Layover in Denver for 8h 45m

    Sat Feb 4th 2023 Delta Air Lines · DL 798 Depart at 7:00am from Denver (DEN) Fly for 2h 57m Arrive at 11:57am in Atlanta (ATL)

    Layover in Atlanta for 1h 17m

    Sat Feb 4th 2023 Delta Air Lines · DL 4650 Depart at 1:14pm from Atlanta (ATL) Fly for 0h 51m Arrive at 2:05pm in Knoxville (TYS)

  • USD 176
    Delta Air LinesFrontier Airlines
    6:40pm - 9:26am
    Fri Feb 3rd
    11h 46m
    Portland (PDX) → Knoxville (TYS)
    2 Stops

    Fri Feb 3rd 2023 Frontier Airlines · F9 790 Depart at 6:40pm from Portland (PDX) Fly for 2h 35m Arrive at 10:15pm in Denver (DEN)

    Layover in Denver for 2h 15m

    Sat Feb 4th 2023 Delta Air Lines · DL 976 Depart at 12:30am from Denver (DEN) Fly for 2h 57m Arrive at 5:27am in Atlanta (ATL)

    Layover in Atlanta for 3h 0m

    Sat Feb 4th 2023 Delta Air Lines · DL 4780 Depart at 8:27am from Atlanta (ATL) Fly for 0h 59m Arrive at 9:26am in Knoxville (TYS)

  • USD 179
    Allegiant AirFrontier Airlines
    8:58am - 11:26pm
    Sun Jan 29th
    11h 28m
    Portland (PDX) → Knoxville (TYS)
    1 Stop

    Sun Jan 29th 2023 Frontier Airlines · F9 2978 Depart at 8:58am from Portland (PDX) Fly for 2h 37m Arrive at 12:35pm in Phoenix (PHX)

    Layover in Phoenix for 5h 5m

    Sun Jan 29th 2023 Allegiant Air · G4 1399 Depart at 5:40pm from Phoenix (PHX) Fly for 3h 46m Arrive at 11:26pm in Knoxville (TYS)

  • USD 186
    United AirlinesFrontier Airlines
    8:57am - 10:29pm
    Sat Feb 4th
    10h 32m
    Portland (PDX) → Knoxville (TYS)
    1 Stop

    Sat Feb 4th 2023 United Airlines · UA 2151 Depart at 8:57am from Portland (PDX) Fly for 2h 31m Arrive at 12:28pm in Denver (DEN)

    Layover in Denver for 5h 17m

    Sat Feb 4th 2023 Frontier Airlines · F9 586 Depart at 5:45pm from Denver (DEN) Fly for 2h 44m Arrive at 10:29pm in Knoxville (TYS)

  • USD 197
    United AirlinesFrontier Airlines
    11:12am - 10:41pm
    Mon Jan 30th
    8h 29m
    Portland (PDX) → Knoxville (TYS)
    1 Stop

    Mon Jan 30th 2023 United Airlines · UA 478 Depart at 11:12am from Portland (PDX) Fly for 2h 30m Arrive at 2:42pm in Denver (DEN)

    Layover in Denver for 3h 15m

    Mon Jan 30th 2023 Frontier Airlines · F9 586 Depart at 5:57pm from Denver (DEN) Fly for 2h 44m Arrive at 10:41pm in Knoxville (TYS)

  • USD 197
    Delta Air LinesSpirit AirlinesFrontier Airlines
    10:42pm - 10:56pm
    Tue Jan 31st
    21h 14m
    Portland (PDX) → Knoxville (TYS)
    3 Stops

    Tue Jan 31st 2023 Spirit Airlines · NK 261 Depart at 10:42pm from Portland (PDX) Fly for 2h 11m Arrive at 12:53am in Las Vegas (LAS)

    Layover in Las Vegas for 5h 2m

    Wed Feb 1st 2023 Frontier Airlines · F9 70 Depart at 5:55am from Las Vegas (LAS) Fly for 1h 59m Arrive at 8:54am in Denver (DEN)

    Layover in Denver for 7h 9m

    Wed Feb 1st 2023 Delta Air Lines · DL 1617 Depart at 4:03pm from Denver (DEN) Fly for 2h 42m Arrive at 8:45pm in Detroit (DTW)

    Layover in Detroit for 0h 30m

    Wed Feb 1st 2023 Delta Air Lines · DL 4848 Depart at 9:15pm from Detroit (DTW) Fly for 1h 41m Arrive at 10:56pm in Knoxville (TYS)

  • USD 206
    Allegiant AirFrontier Airlines
    8:58am - 11:26pm
    Sun Feb 5th
    11h 28m
    Portland (PDX) → Knoxville (TYS)
    1 Stop

    Sun Feb 5th 2023 Frontier Airlines · F9 2978 Depart at 8:58am from Portland (PDX) Fly for 2h 37m Arrive at 12:35pm in Phoenix (PHX)

    Layover in Phoenix for 5h 5m

    Sun Feb 5th 2023 Allegiant Air · G4 1403 Depart at 5:40pm from Phoenix (PHX) Fly for 3h 46m Arrive at 11:26pm in Knoxville (TYS)

  • USD 209
    Delta Air LinesUnited Airlines
    5:15am - 10:03pm
    Sat Feb 4th
    13h 48m
    Portland (PDX) → Knoxville (TYS)
    2 Stops

    Sat Feb 4th 2023 United Airlines · UA 2493 Depart at 5:15am from Portland (PDX) Fly for 2h 29m Arrive at 8:44am in Denver (DEN)

    Layover in Denver for 3h 2m

    Sat Feb 4th 2023 Delta Air Lines · DL 1597 Depart at 11:46am from Denver (DEN) Fly for 2h 40m Arrive at 4:26pm in Detroit (DTW)

    Layover in Detroit for 3h 49m

    Sat Feb 4th 2023 Delta Air Lines · DL 4848 Depart at 8:15pm from Detroit (DTW) Fly for 1h 48m Arrive at 10:03pm in Knoxville (TYS)

  • USD 211
    Allegiant AirAmerican Airlines
    10:30am - 11:26pm
    Thu Feb 2nd
    9h 56m
    Portland (PDX) → Knoxville (TYS)
    1 Stop

    Thu Feb 2nd 2023 American Airlines · AA 5731 Depart at 10:30am from Portland (PDX) Fly for 2h 34m Arrive at 2:04pm in Phoenix (PHX)

    Layover in Phoenix for 3h 36m

    Thu Feb 2nd 2023 Allegiant Air · G4 1403 Depart at 5:40pm from Phoenix (PHX) Fly for 3h 46m Arrive at 11:26pm in Knoxville (TYS)

  • USD 219
    Delta Air LinesUnited Airlines
    11:12am - 12:03am
    Wed Feb 1st
    9h 51m
    Portland (PDX) → Knoxville (TYS)
    2 Stops

    Wed Feb 1st 2023 United Airlines · UA 478 Depart at 11:12am from Portland (PDX) Fly for 2h 30m Arrive at 2:42pm in Denver (DEN)

    Layover in Denver for 1h 53m

    Wed Feb 1st 2023 Delta Air Lines · DL 959 Depart at 4:35pm from Denver (DEN) Fly for 2h 47m Arrive at 9:22pm in Atlanta (ATL)

    Layover in Atlanta for 1h 49m

    Wed Feb 1st 2023 Delta Air Lines · DL 2117 Depart at 11:11pm from Atlanta (ATL) Fly for 0h 52m Arrive at 12:03am in Knoxville (TYS)

  • USD 219
    Delta Air LinesUnited Airlines
    5:15am - 10:56pm
    Wed Feb 1st
    14h 41m
    Portland (PDX) → Knoxville (TYS)
    2 Stops

    Wed Feb 1st 2023 United Airlines · UA 2493 Depart at 5:15am from Portland (PDX) Fly for 2h 29m Arrive at 8:44am in Denver (DEN)

    Layover in Denver for 7h 19m

    Wed Feb 1st 2023 Delta Air Lines · DL 1617 Depart at 4:03pm from Denver (DEN) Fly for 2h 42m Arrive at 8:45pm in Detroit (DTW)

    Layover in Detroit for 0h 30m

    Wed Feb 1st 2023 Delta Air Lines · DL 4848 Depart at 9:15pm from Detroit (DTW) Fly for 1h 41m Arrive at 10:56pm in Knoxville (TYS)

  • USD 230
    Delta Air LinesUnited Airlines
    6:00am - 10:56pm
    Wed Feb 1st
    13h 56m
    Portland (PDX) → Knoxville (TYS)
    3 Stops

    Wed Feb 1st 2023 United Airlines · UA 1733 Depart at 6:00am from Portland (PDX) Fly for 1h 50m Arrive at 7:50am in San Francisco (SFO)

    Layover in San Francisco for 0h 57m

    Wed Feb 1st 2023 United Airlines · UA 1826 Depart at 8:47am from San Francisco (SFO) Fly for 2h 44m Arrive at 12:31pm in Denver (DEN)

    Layover in Denver for 3h 32m

    Wed Feb 1st 2023 Delta Air Lines · DL 1617 Depart at 4:03pm from Denver (DEN) Fly for 2h 42m Arrive at 8:45pm in Detroit (DTW)

    Layover in Detroit for 0h 30m

    Wed Feb 1st 2023 Delta Air Lines · DL 4848 Depart at 9:15pm from Detroit (DTW) Fly for 1h 41m Arrive at 10:56pm in Knoxville (TYS)

  • USD 246
    Alaska AirlinesFrontier Airlines
    9:45am - 10:29pm
    Sat Feb 4th
    9h 44m
    Portland (PDX) → Knoxville (TYS)
    2 Stops

    Sat Feb 4th 2023 Alaska Airlines · AS 2361 Depart at 9:45am from Portland (PDX) Fly for 0h 59m Arrive at 10:44am in Seattle (SEA)

    Layover in Seattle for 0h 56m

    Sat Feb 4th 2023 Alaska Airlines · AS 620 Depart at 11:40am from Seattle (SEA) Fly for 2h 40m Arrive at 3:20pm in Denver (DEN)

    Layover in Denver for 2h 25m

    Sat Feb 4th 2023 Frontier Airlines · F9 586 Depart at 5:45pm from Denver (DEN) Fly for 2h 44m Arrive at 10:29pm in Knoxville (TYS)

  • USD 254
    United Airlines
    5:15am - 10:31pm
    Sat Feb 4th
    14h 16m
    Portland (PDX) → Knoxville (TYS)
    1 Stop

    Sat Feb 4th 2023 United Airlines · UA 2493 Depart at 5:15am from Portland (PDX) Fly for 2h 29m Arrive at 8:44am in Denver (DEN)

    Layover in Denver for 8h 54m

    Sat Feb 4th 2023 United Airlines · UA 5388 Depart at 5:38pm from Denver (DEN) Fly for 2h 53m Arrive at 10:31pm in Knoxville (TYS)

  • USD 254
    United Airlines
    5:15am - 10:31pm
    Mon Jan 30th
    14h 16m
    Portland (PDX) → Knoxville (TYS)
    1 Stop

    Mon Jan 30th 2023 United Airlines · UA 2493 Depart at 5:15am from Portland (PDX) Fly for 2h 29m Arrive at 8:44am in Denver (DEN)

    Layover in Denver for 8h 54m

    Mon Jan 30th 2023 United Airlines · UA 5388 Depart at 5:38pm from Denver (DEN) Fly for 2h 53m Arrive at 10:31pm in Knoxville (TYS)

  • USD 256
    Spirit AirlinesAllegiant Air
    5:30am - 5:27pm
    Fri Feb 3rd
    8h 57m
    Portland (PDX) → Knoxville (TYS)
    1 Stop

    Fri Feb 3rd 2023 Spirit Airlines · NK 1722 Depart at 5:30am from Portland (PDX) Fly for 2h 1m Arrive at 7:31am in Las Vegas (LAS)

    Layover in Las Vegas for 3h 18m

    Fri Feb 3rd 2023 Allegiant Air · G4 1405 Depart at 10:49am from Las Vegas (LAS) Fly for 3h 38m Arrive at 5:27pm in Knoxville (TYS)

  • USD 257
    Delta Air LinesUnited Airlines
    8:57am - 10:56pm
    Wed Feb 1st
    10h 59m
    Portland (PDX) → Knoxville (TYS)
    2 Stops

    Wed Feb 1st 2023 United Airlines · UA 2151 Depart at 8:57am from Portland (PDX) Fly for 2h 31m Arrive at 12:28pm in Denver (DEN)

    Layover in Denver for 3h 35m

    Wed Feb 1st 2023 Delta Air Lines · DL 1617 Depart at 4:03pm from Denver (DEN) Fly for 2h 42m Arrive at 8:45pm in Detroit (DTW)

    Layover in Detroit for 0h 30m

    Wed Feb 1st 2023 Delta Air Lines · DL 4848 Depart at 9:15pm from Detroit (DTW) Fly for 1h 41m Arrive at 10:56pm in Knoxville (TYS)

  • USD 258
    Allegiant AirAmerican Airlines
    6:00am - 7:55pm
    Sun Feb 5th
    10h 55m
    Portland (PDX) → Knoxville (TYS)
    2 Stops

    Sun Feb 5th 2023 American Airlines · AA 2216 Depart at 6:00am from Portland (PDX) Fly for 3h 40m Arrive at 11:40am in Dallas (DFW)

    Layover in Dallas for 0h 49m

    Sun Feb 5th 2023 American Airlines · AA 2679 Depart at 12:29pm from Dallas (DFW) Fly for 2h 25m Arrive at 3:54pm in Sarasota (SRQ)

    Layover in Sarasota for 2h 13m

    Sun Feb 5th 2023 Allegiant Air · G4 3055 Depart at 6:07pm from Sarasota (SRQ) Fly for 1h 48m Arrive at 7:55pm in Knoxville (TYS)

  • USD 259
    United Airlines
    6:00am - 10:31pm
    Mon Jan 30th
    13h 31m
    Portland (PDX) → Knoxville (TYS)
    2 Stops

    Mon Jan 30th 2023 United Airlines · UA 1733 Depart at 6:00am from Portland (PDX) Fly for 1h 50m Arrive at 7:50am in San Francisco (SFO)

    Layover in San Francisco for 0h 40m

    Mon Jan 30th 2023 United Airlines · UA 1826 Depart at 8:30am from San Francisco (SFO) Fly for 2h 44m Arrive at 12:14pm in Denver (DEN)

    Layover in Denver for 5h 24m

    Mon Jan 30th 2023 United Airlines · UA 5388 Depart at 5:38pm from Denver (DEN) Fly for 2h 53m Arrive at 10:31pm in Knoxville (TYS)

  • USD 259
    United Airlines
    5:15am - 10:37pm
    Sat Feb 4th
    14h 22m
    Portland (PDX) → Knoxville (TYS)
    2 Stops

    Sat Feb 4th 2023 United Airlines · UA 2493 Depart at 5:15am from Portland (PDX) Fly for 2h 29m Arrive at 8:44am in Denver (DEN)

    Layover in Denver for 4h 56m

    Sat Feb 4th 2023 United Airlines · UA 617 Depart at 1:40pm from Denver (DEN) Fly for 2h 30m Arrive at 5:10pm in Chicago (ORD)

    Layover in Chicago for 2h 35m

    Sat Feb 4th 2023 United Airlines · UA 3901 Depart at 7:45pm from Chicago (ORD) Fly for 1h 52m Arrive at 10:37pm in Knoxville (TYS)

  • USD 259
    United Airlines
    5:15am - 10:37pm
    Sat Feb 4th
    14h 22m
    Portland (PDX) → Knoxville (TYS)
    2 Stops

    Sat Feb 4th 2023 United Airlines · UA 2493 Depart at 5:15am from Portland (PDX) Fly for 2h 29m Arrive at 8:44am in Denver (DEN)

    Layover in Denver for 6h 56m

    Sat Feb 4th 2023 United Airlines · UA 478 Depart at 3:40pm from Denver (DEN) Fly for 2h 29m Arrive at 7:09pm in Chicago (ORD)

    Layover in Chicago for 0h 36m

    Sat Feb 4th 2023 United Airlines · UA 3901 Depart at 7:45pm from Chicago (ORD) Fly for 1h 52m Arrive at 10:37pm in Knoxville (TYS)

  • USD 263
    United Airlines
    11:12am - 10:31pm
    Mon Jan 30th
    8h 19m
    Portland (PDX) → Knoxville (TYS)
    1 Stop

    Mon Jan 30th 2023 United Airlines · UA 478 Depart at 11:12am from Portland (PDX) Fly for 2h 30m Arrive at 2:42pm in Denver (DEN)

    Layover in Denver for 2h 56m

    Mon Jan 30th 2023 United Airlines · UA 5388 Depart at 5:38pm from Denver (DEN) Fly for 2h 53m Arrive at 10:31pm in Knoxville (TYS)

  • USD 296
    United Airlines
    8:57am - 10:31pm
    Sat Feb 4th
    10h 34m
    Portland (PDX) → Knoxville (TYS)
    1 Stop

    Sat Feb 4th 2023 United Airlines · UA 2151 Depart at 8:57am from Portland (PDX) Fly for 2h 31m Arrive at 12:28pm in Denver (DEN)

    Layover in Denver for 5h 10m

    Sat Feb 4th 2023 United Airlines · UA 5388 Depart at 5:38pm from Denver (DEN) Fly for 2h 53m Arrive at 10:31pm in Knoxville (TYS)

  • USD 478
    United Airlines
    1:07pm - 10:31pm
    Sun Feb 5th
    6h 24m
    Portland (PDX) → Knoxville (TYS)
    1 Stop

    Sun Feb 5th 2023 United Airlines · UA 2443 Depart at 1:07pm from Portland (PDX) Fly for 2h 28m Arrive at 4:35pm in Denver (DEN)

    Layover in Denver for 1h 3m

    Sun Feb 5th 2023 United Airlines · UA 5388 Depart at 5:38pm from Denver (DEN) Fly for 2h 53m Arrive at 10:31pm in Knoxville (TYS)

  • USD 478
    United Airlines
    1:07pm - 10:31pm
    Mon Jan 30th
    6h 24m
    Portland (PDX) → Knoxville (TYS)
    1 Stop

    Mon Jan 30th 2023 United Airlines · UA 2443 Depart at 1:07pm from Portland (PDX) Fly for 2h 28m Arrive at 4:35pm in Denver (DEN)

    Layover in Denver for 1h 3m

    Mon Jan 30th 2023 United Airlines · UA 5388 Depart at 5:38pm from Denver (DEN) Fly for 2h 53m Arrive at 10:31pm in Knoxville (TYS)

  • USD 478
    United Airlines
    1:07pm - 10:31pm
    Wed Feb 1st
    6h 24m
    Portland (PDX) → Knoxville (TYS)
    1 Stop

    Wed Feb 1st 2023 United Airlines · UA 2443 Depart at 1:07pm from Portland (PDX) Fly for 2h 28m Arrive at 4:35pm in Denver (DEN)

    Layover in Denver for 1h 3m

    Wed Feb 1st 2023 United Airlines · UA 5388 Depart at 5:38pm from Denver (DEN) Fly for 2h 53m Arrive at 10:31pm in Knoxville (TYS)

  • USD 478
    United Airlines
    1:07pm - 10:31pm
    Fri Feb 3rd
    6h 24m
    Portland (PDX) → Knoxville (TYS)
    1 Stop

    Fri Feb 3rd 2023 United Airlines · UA 2443 Depart at 1:07pm from Portland (PDX) Fly for 2h 28m Arrive at 4:35pm in Denver (DEN)

    Layover in Denver for 1h 3m

    Fri Feb 3rd 2023 United Airlines · UA 5388 Depart at 5:38pm from Denver (DEN) Fly for 2h 53m Arrive at 10:31pm in Knoxville (TYS)

  • USD 478
    United Airlines
    1:07pm - 10:31pm
    Thu Feb 2nd
    6h 24m
    Portland (PDX) → Knoxville (TYS)
    1 Stop

    Thu Feb 2nd 2023 United Airlines · UA 2443 Depart at 1:07pm from Portland (PDX) Fly for 2h 28m Arrive at 4:35pm in Denver (DEN)

    Layover in Denver for 1h 3m

    Thu Feb 2nd 2023 United Airlines · UA 5388 Depart at 5:38pm from Denver (DEN) Fly for 2h 53m Arrive at 10:31pm in Knoxville (TYS)

  • USD 478
    United Airlines
    1:07pm - 10:31pm
    Tue Jan 31st
    6h 24m
    Portland (PDX) → Knoxville (TYS)
    1 Stop

    Tue Jan 31st 2023 United Airlines · UA 2443 Depart at 1:07pm from Portland (PDX) Fly for 2h 28m Arrive at 4:35pm in Denver (DEN)

    Layover in Denver for 1h 3m

    Tue Jan 31st 2023 United Airlines · UA 5388 Depart at 5:38pm from Denver (DEN) Fly for 2h 53m Arrive at 10:31pm in Knoxville (TYS)

  • USD 478
    United Airlines
    1:07pm - 10:31pm
    Sat Feb 4th
    6h 24m
    Portland (PDX) → Knoxville (TYS)
    1 Stop

    Sat Feb 4th 2023 United Airlines · UA 2443 Depart at 1:07pm from Portland (PDX) Fly for 2h 28m Arrive at 4:35pm in Denver (DEN)

    Layover in Denver for 1h 3m

    Sat Feb 4th 2023 United Airlines · UA 5388 Depart at 5:38pm from Denver (DEN) Fly for 2h 53m Arrive at 10:31pm in Knoxville (TYS)

  • USD 478
    United Airlines
    5:30am - 3:01pm
    Sun Feb 5th
    6h 31m
    Portland (PDX) → Knoxville (TYS)
    1 Stop

    Sun Feb 5th 2023 United Airlines · UA 2493 Depart at 5:30am from Portland (PDX) Fly for 2h 29m Arrive at 8:59am in Denver (DEN)

    Layover in Denver for 1h 8m

    Sun Feb 5th 2023 United Airlines · UA 4745 Depart at 10:07am from Denver (DEN) Fly for 2h 54m Arrive at 3:01pm in Knoxville (TYS)

  • USD 627
    United Airlines
    1:07pm - 10:31pm
    Sun Jan 29th
    6h 24m
    Portland (PDX) → Knoxville (TYS)
    1 Stop

    Sun Jan 29th 2023 United Airlines · UA 2443 Depart at 1:07pm from Portland (PDX) Fly for 2h 28m Arrive at 4:35pm in Denver (DEN)

    Layover in Denver for 1h 3m

    Sun Jan 29th 2023 United Airlines · UA 5388 Depart at 5:38pm from Denver (DEN) Fly for 2h 53m Arrive at 10:31pm in Knoxville (TYS)

  • USD 627
    United Airlines
    5:30am - 3:01pm
    Sun Jan 29th
    6h 31m
    Portland (PDX) → Knoxville (TYS)
    1 Stop

    Sun Jan 29th 2023 United Airlines · UA 2493 Depart at 5:30am from Portland (PDX) Fly for 2h 29m Arrive at 8:59am in Denver (DEN)

    Layover in Denver for 1h 8m

    Sun Jan 29th 2023 United Airlines · UA 4745 Depart at 10:07am from Denver (DEN) Fly for 2h 54m Arrive at 3:01pm in Knoxville (TYS)

@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 one way flights but not many have the professional finish of Flightlist by @ismaelyws #travel #flights

@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! 💪

Explore Flight Options

Cheap Flight Search Tips

Tips to help you find the cheapest flights from Portland to Knoxville (PDX to TYS).

  • Book 45-90 days before your departure date.
  • Fly during weekdays (Monday-Thursday).
  • Airfare Sales: Airlines sometimes offer huge discounts and since we take a bottom-up approach these flights will appear first in the results, so check back regularly because they don't usually last long.

Why I Built FlightList

❝As someone who works remotely & travels frequently, I always book one way flights and I'm flexible on my departure dates. I look for the best deals. Most sites require you to enter a specific departure date and clutter the page with uneccessary options, images and ads. I want something simple and minimal which allows me to search by departure date range & display a list of flights with the ability to filter according to my needs. So, I built FlightList to solve my own problem & help other travelers who may have the same frustration. It's how I imagine a flight booking site should be.❞

- Hans Desjarlais, Founder & Creator Hans Desjarlais