Cheap flights from Denver, CO to Seattle, WA
Flights starting at £26. Choose between Alaska Airlines, United Airlines, or Frontier Airlines to find the best price.
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Tips to know when travelling to Seattle
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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 Mon 09.09 - Sun 15.09
| Airline | Mon 09.09 | Tue 10.09 | Wed 11.09 | Thu 12.09 | Fri 13.09 | Sat 14.09 | Sun 15.09 |
|---|---|---|---|---|---|---|---|
| --- | --- | 5 | --- | --- | --- | --- | |
| --- | --- | 2 | --- | --- | --- | --- | |
| 2 | 2 | 2 | 2 | 1 | 2 | 2 |
Weekly direct flights for Mon 16.09 - Sun 22.09
| Airline | Mon 16.09 | Tue 17.09 | Wed 18.09 | Thu 19.09 | Fri 20.09 | Sat 21.09 | Sun 22.09 |
|---|---|---|---|---|---|---|---|
| --- | --- | 3 | 3 | 6 | 5 | 2 | |
| --- | --- | 2 | 2 | 1 | 3 | 2 | |
| 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Weekly direct flights for Mon 23.09 - Sun 29.09
| Airline | Mon 23.09 | Tue 24.09 | Wed 25.09 | Thu 26.09 | Fri 27.09 | Sat 28.09 | Sun 29.09 |
|---|---|---|---|---|---|---|---|
| 6 | 5 | 5 | 1 | 6 | 5 | 2 | |
| 4 | 2 | 5 | 3 | 4 | 5 | 1 | |
| 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Weekly direct flights for Mon 30.09 - Sun 06.10
| Airline | Mon 30.09 | Tue 01.10 | Wed 02.10 | Thu 03.10 | Fri 04.10 | Sat 05.10 | Sun 06.10 |
|---|---|---|---|---|---|---|---|
| 3 | 4 | 4 | 5 | 5 | 3 | --- | |
| 2 | 4 | 3 | 1 | 4 | 5 | 2 | |
| 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Check-in for a flight from Denver to Seattle
| Name | Carrier code | IATA Code | Passport needed during booking | |
|---|---|---|---|---|
| Alaska Airlines | ASA | AS | No | |
| United Airlines | UAL | UA | Yes | |
| Frontier Airlines | FFT | F9 | No |
Online check-in is not available for these airlines.
Seattle travel tips
1) How to get to the city center from Seattle-Tacoma International Airport? | Link Light Rail is a great option how to get from the Seattle-Tacoma International Airport to the city center. The way will take approximately 30 minutes. The train comes every 15 minutes or even more often. We recommend using an ORCA card to get around the city for less money. Give it a try! |
|---|---|
2) Seattle’s Museum of Flight is waiting for all aviation lovers | Seattle’s Museum of Flight can boast about a huge collection of planes, flight-related exhibits, and historical objects. There is a gallery specialised in space travel history as well as a section with flight innovations. The museum is open from Thursday to Monday. Aviation lovers, you are welcome! |
3) To visit Seattle in autumn is an excellent idea | No doubt, Seattle is excellent all year round. However, autumn is special in this city. This season fills Seattle with festivals, music, art, and colourful foliage. Discounts at hotels can go as a pleasant bonus. Take advantage! |
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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