Airlines with flights from Denver to Seattle

There are five airlines with scheduled flights between DEN and SEA. United, Alaska Airlines and 3 more carriers has non-stop flights from Denver International to Seattle Airport and the flight time is 3 hours and 3 minutes.

Choose airline

Schedules

Non-stop with United Airlines

  • Total flight time: 3 hours and 3 minutes
  • Denver is a United Airlines hub.
  • 33 flights per week
  • First class available
DEN
Direct
SEA

The timetable & schedule information was updated at 2024-12-13

Non-stop with Alaska Airlines

  • Total flight time: 3 hours and 3 minutes
  • One World Alliance
  • Seattle is a Alaska Airlines hub (Primary hub).
  • 32 flights per week
  • Business and first class available
DEN
Direct
SEA

The timetable & schedule information was updated at 2024-12-13

Non-stop with Southwest Airlines

  • Total flight time: 3 hours
  • Low-cost airline
  • Denver is a Southwest Airlines focus city (Operating base).
  • 22 flights per week
DEN
Direct
SEA

The timetable & schedule information was updated at 2024-12-13

Non-stop with Delta Air Lines

  • Total flight time: 3 hours and 6 minutes
  • Sky Team Alliance
  • Seattle is a Delta Air Lines hub.
  • 19 flights per week
  • Business and first class available
DEN
Direct
SEA

The timetable & schedule information was updated at 2024-12-13

Non-stop with Frontier Airlines

  • Total flight time: 3 hours and 6 minutes
  • Low-cost airline
  • Denver is a Frontier Airlines focus city.
  • 7 flights per week
DEN
Direct
SEA

The timetable & schedule information was updated at 2024-12-13

Via Las Vegas with Southwest Airlines

  • Total flight time: 5h 30m - 10h 10m.
  • Low-cost airline
  • Denver is a Southwest Airlines focus city (Operating base).
  • 45 flights per week
DEN
 
Via LAS
 
SEA

The timetable & schedule information was updated at 2024-12-13

Via Sacramento with Southwest Airlines

  • Total flight time: 5h 10m - 9h 45m.
  • Low-cost airline
  • Denver is a Southwest Airlines focus city (Operating base).
  • 28 flights per week
DEN
 
Via SMF
 
SEA

The timetable & schedule information was updated at 2024-12-13

Via Salt Lake City with Delta Air Lines

  • Total flight time: 4h 29m - 11h 41m.
  • Sky Team Alliance
  • Seattle is a Delta Air Lines hub.
  • 26 flights per week
DEN
 
Via SLC
 
SEA

The timetable & schedule information was updated at 2024-12-13

Via Portland with Alaska Airlines

  • Total flight time: 4h 38m - 6h 48m.
  • One World Alliance
  • Seattle is a Alaska Airlines hub (Primary hub).
  • 10 flights per week
DEN
 
Via PDX
 
SEA

The timetable & schedule information was updated at 2024-12-13

Staying up-to-date with the airlines

At Airlineinformation.com you can learn all about the airlines operating around the world together with their destinations and where they operate. You will get a transparent overview of airlines with scheduled flights between any two destinations with non-stop or 1-stop flights regardless of price or availability.