Cheap flights from Denver to Seattle from £26
Trusted by millions
Kiwi.com Guarantee for stress-free travel
One search, all the best deals
Explore flight deals to Seattle
Not happy with the results? Try some of our useful filters
Search by stops
Search by price
Search by departure date
Not happy with the results? Try some of our useful filters
Search by stops
Search by price
Search by departure date
How much do flights to Seattle cost?
Key info about flying to Seattle
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 chart.
| Airline | Mon 27.10 | Tue 28.10 | Wed 29.10 | Thu 30.10 | Fri 31.10 | Sat 01.11 | Sun 02.11 |
|---|---|---|---|---|---|---|---|
| --- | --- | --- | --- | --- | --- | 2 | |
| --- | 2 | --- | 4 | 1 | --- | --- | |
| --- | --- | --- | --- | 3 | --- | 3 | |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Weekly flights: 22 total | Daily flights: 3.14 average | Most flights: Thursday 4 flights |
| Airline | Mon 03.11 | Tue 04.11 | Wed 05.11 | Thu 06.11 | Fri 07.11 | Sat 08.11 | Sun 09.11 |
|---|---|---|---|---|---|---|---|
| 3 | 1 | 5 | 4 | 2 | 3 | 2 | |
| 4 | 3 | 4 | 4 | 2 | 3 | 1 | |
| 4 | 3 | 4 | --- | --- | --- | 1 | |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Weekly flights: 60 total | Daily flights: 8.57 average | Most flights: Wednesday 5 flights |
| Airline | Mon 10.11 | Tue 11.11 | Wed 12.11 | Thu 13.11 | Fri 14.11 | Sat 15.11 | Sun 16.11 |
|---|---|---|---|---|---|---|---|
| 4 | 3 | 5 | 5 | 5 | 4 | 5 | |
| 4 | 2 | 4 | 4 | 3 | 3 | 1 | |
| --- | 1 | --- | --- | --- | --- | 3 | |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Weekly flights: 63 total | Daily flights: 9 average | Most flights: Wednesday 5 flights |
| Airline | Mon 17.11 | Tue 18.11 | Wed 19.11 | Thu 20.11 | Fri 21.11 | Sat 22.11 | Sun 23.11 |
|---|---|---|---|---|---|---|---|
| 2 | 4 | 5 | 2 | 3 | 4 | 4 | |
| 4 | 3 | 4 | 4 | 3 | --- | 3 | |
| --- | --- | --- | --- | --- | 3 | --- | |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Weekly flights: 55 total | Daily flights: 7.86 average | Most flights: Wednesday 5 flights |
Check-in for a flight from Denver to Seattle
| Name | Carrier code | IATA Code | Passport needed during booking |
|---|---|---|---|
| Frontier Airlines | FFT | F9 | No |
| United Airlines | UAL | UA | No |
| Hawaiian Airlines | HAL | HA | No |
| Alaska Airlines | ASA | AS | No |
| Air Excursions | X4 | No |
Online check-in is not available for these airlines.
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 | 5°C |
| May | 18°C | 8°C |
| June | 21°C | 10°C |
| July | 25°C | 13°C |
| August | 25°C | 14°C |
| September | 22°C | 11°C |
| October | 15°C | 7°C |
| November | 10°C | 4°C |
| December | 6°C | 2°C |
14 day forecast
Seattle travel tips
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!
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!
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!
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any origin and destination in the world by plane. Find the cheapest routes and best deals, as well as the best dates to travel.
Explore alternative trips
Flights from Denver
Flights to Seattle
Popular routes
Airports near Denver
Airports near Seattle
Download our app