Airlines with flights from Portland to Denver
There are 6 airlines with scheduled flights between PDX and DEN. Southwest, United and 2 more carriers has non-stop flights from Portland International to Denver International and the flight time is 2 hours and 25 minutes.
Choose airline
Schedules
Non-stop with Southwest Airlines
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Total flight time: 2 hours and 25 minutes
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Low-cost airline
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Denver is a Southwest Airlines focus city (Operating base).
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42 flights per week
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Boeing 737MAX 8 PassengerBoeing 737-800 (winglets) Passenger/BBJ2Boeing 737-700 Passenger (Scimitar Winglets)
Flight
The timetable & schedule information was updated at 2026-04-21
Non-stop with United Airlines
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Total flight time: 2 hours and 38 minutes
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Denver is a United Airlines hub.
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40 flights per week
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Airbus A321neoAirbus A320Boeing 737-800 PassengerBoeing 737-900 PassengerBoeing 737MAX 8 Passenger
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Business and first class available
Flight
The timetable & schedule information was updated at 2026-04-21
Non-stop with Alaska Airlines
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Total flight time: 2 hours and 41 minutes
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One World Alliance
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Portland is a Alaska Airlines hub.
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20 flights per week
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Boeing 737-900 (winglets) Passenger/BBJ3Boeing 737-800 (winglets) Passenger/BBJ2Boeing 737MAX 9 Passenger
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Business and first class available
Flight
The timetable & schedule information was updated at 2026-04-21
Non-stop with Frontier Airlines
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Total flight time: 2 hours and 42 minutes
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Low-cost airline
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Denver is a Frontier Airlines focus city (Operating base).
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7 flights per week
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Airbus A320
Flight
The timetable & schedule information was updated at 2026-04-21
Via Salt Lake City with Delta Air Lines
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Total flight time: 3h 50m - 6h 22m.
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Sky Team Alliance
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86 flights per week
Flight
DL1553
DL1623
DL1586
DL1667
The timetable & schedule information was updated at 2026-04-21
Via Sacramento with Southwest Airlines
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Total flight time: 4h 20m - 9h 05m.
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Low-cost airline
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Denver is a Southwest Airlines focus city (Operating base).
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73 flights per week
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Boeing 737MAX 8 PassengerBoeing 737-800 (winglets) Passenger/BBJ2Boeing 737-700 Passenger (Scimitar Winglets)
Flight
WN3548
WN845
WN3775
WN3775
WN4061
WN2993
WN1001
WN3474
The timetable & schedule information was updated at 2026-04-21
Via Seattle with Alaska Airlines
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Total flight time: 4h 36m - 6h 59m.
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One World Alliance
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Portland is a Alaska Airlines hub.
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150 flights per week
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Boeing 737-900 (winglets) Passenger/BBJ3Boeing 737-800 (winglets) Passenger/BBJ2Boeing 737MAX 9 Passenger
Flight
AS375
AS375
AS535
AS535
AS242
AS602
AS310
The timetable & schedule information was updated at 2026-04-21
Via Seattle with Delta Air Lines
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Total flight time: 4h 43m - 7h 19m.
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Sky Team Alliance
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78 flights per week
Flight
DL1358
DL2543
DL2543
DL2851
The timetable & schedule information was updated at 2026-04-21

There are 6 airlines with scheduled flights between PDX and DEN. Southwest, United and 2 more carriers has non-stop flights from Portland International to Denver International and the flight time is 2 hours and 25 minutes.
Via Phoenix with American Airlines