Cheap flights from Denver, CO to Seattle, WA
Flights starting at $39. Choose between Frontier Airlines, Alaska Airlines, or United Airlines to find the best price.
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Travelers usually depart from Denver International, or Rocky Mountain Metropolitan Airport when they travel from Denver to Seattle. Book your trip to arrive at Seattle–Tacoma International, Kenmore Air Harbor Seaplane Base, Seattle, WA - University of Washington, or Seattle WA - South Lane St. Bus Stop. The distance between Denver and Seattle is 1646 km. The most popular airlines for this route are Frontier Airlines, Alaska Airlines, United Airlines, Harbour Air (Priv), and Spirit Airlines. Denver and Seattle have 143 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 10.03 - Sat 16.03
Airline | Sun 10.03 | Mon 11.03 | Tue 12.03 | Wed 13.03 | Thu 14.03 | Fri 15.03 | Sat 16.03 |
---|---|---|---|---|---|---|---|
1 | --- | 2 | --- | 4 | 2 | 5 | |
1 | 2 | 3 | 2 | 4 | 2 | 2 | |
1 | --- | 1 | 1 | 1 | --- | --- |
Weekly direct flights for Sun 17.03 - Sat 23.03
Airline | Sun 17.03 | Mon 18.03 | Tue 19.03 | Wed 20.03 | Thu 21.03 | Fri 22.03 | Sat 23.03 |
---|---|---|---|---|---|---|---|
3 | 3 | 4 | 2 | 5 | 4 | 5 | |
4 | 4 | 3 | 3 | 4 | 4 | 3 | |
1 | 1 | 1 | 1 | 1 | 1 | 1 |
Weekly direct flights for Sun 24.03 - Sat 30.03
Airline | Sun 24.03 | Mon 25.03 | Tue 26.03 | Wed 27.03 | Thu 28.03 | Fri 29.03 | Sat 30.03 |
---|---|---|---|---|---|---|---|
3 | 4 | 4 | 3 | 5 | 5 | 5 | |
1 | 4 | 3 | 2 | 2 | 4 | 3 | |
1 | 1 | 1 | 1 | 1 | 1 | 1 |
Weekly direct flights for Sun 31.03 - Sat 06.04
Airline | Sun 31.03 | Mon 01.04 | Tue 02.04 | Wed 03.04 | Thu 04.04 | Fri 05.04 | Sat 06.04 |
---|---|---|---|---|---|---|---|
5 | 3 | 3 | 5 | 4 | 4 | 1 | |
4 | 4 | 2 | 3 | 4 | 2 | 1 | |
1 | 1 | 1 | 1 | 1 | 1 | 1 |
Check-in for a flight from Denver to Seattle
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
United Airlines | UAL | UA | Yes | No |
Harbour Air (Priv) | HES | YB | No | No |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
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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