Cheap flights from Denver, CO to Seattle, WA
Flights starting at $41. Choose between United Airlines, Alaska Airlines, or Frontier Airlines to find the best price.
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Book your trip to arrive at Seattle–Tacoma International, or Kenmore Air Harbor Seaplane Base. The distance between Denver and Seattle is 1646 km. The most popular airlines for this route are United Airlines, Alaska Airlines, Frontier Airlines, and Sun Country Airlines. Denver and Seattle have 98 direct flights per week.
Weekly direct flights
Discover the top airlines offering direct flights from Denver to Seattle in the next month. You’ll find the number of daily direct flights per airline in the table.
Weekly direct flights for Sun 12.05 - Sat 18.05
Airline | Sun 12.05 | Mon 13.05 | Tue 14.05 | Wed 15.05 | Thu 16.05 | Fri 17.05 | Sat 18.05 |
---|---|---|---|---|---|---|---|
--- | 1 | 3 | 4 | 2 | 5 | 5 | |
1 | 1 | 4 | 5 | --- | 2 | 2 | |
1 | 2 | 1 | 1 | 1 | 2 | 2 |
Weekly direct flights for Sun 19.05 - Sat 25.05
Airline | Sun 19.05 | Mon 20.05 | Tue 21.05 | Wed 22.05 | Thu 23.05 | Fri 24.05 | Sat 25.05 |
---|---|---|---|---|---|---|---|
3 | 1 | 4 | 1 | --- | --- | 4 | |
2 | 2 | 3 | 2 | --- | --- | 1 | |
2 | 2 | 1 | 1 | 2 | 2 | 1 |
Weekly direct flights for Sun 26.05 - Sat 01.06
Airline | Sun 26.05 | Mon 27.05 | Tue 28.05 | Wed 29.05 | Thu 30.05 | Fri 31.05 | Sat 01.06 |
---|---|---|---|---|---|---|---|
1 | 1 | 3 | 5 | 5 | 2 | --- | |
--- | 1 | 2 | 6 | 4 | 3 | 3 | |
2 | 1 | 1 | 1 | 2 | 2 | 2 |
Weekly direct flights for Sun 02.06 - Sat 08.06
Airline | Sun 02.06 | Mon 03.06 | Tue 04.06 | Wed 05.06 | Thu 06.06 | Fri 07.06 | Sat 08.06 |
---|---|---|---|---|---|---|---|
1 | 4 | 4 | 5 | 2 | 4 | 5 | |
2 | 3 | 5 | 6 | 3 | 3 | 2 | |
2 | 2 | 1 | 2 | 2 | 2 | 2 |
Check-in for a flight from Denver to Seattle
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
United Airlines | UAL | UA | Yes | No |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Sun Country Airlines | SCX | SY | Yes | No |
Weather in Seattle
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 7°C | 2°C |
February | 8°C | 1°C |
March | 10°C | 3°C |
April | 13°C | 4°C |
May | 18°C | 8°C |
June | 21°C | 10°C |
July | 25°C | 13°C |
August | 26°C | 14°C |
September | 22°C | 11°C |
October | 15°C | 7°C |
November | 10°C | 4°C |
December | 6°C | 1°C |
14 day forecast
Frequently asked questions
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