Cheap flights from Seattle, WA to Denver, CO
Flights starting at $ 58. Choose between United Airlines, Alaska Airlines, or Frontier Airlines to find the best price.
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Cheapest one-way trip | $ 58 |
|---|---|
Cheapest nonstop round-trip | $ 58 |
Cheapest round-trip | $ 111 |
Average round-trip | $ 212 |
Nonstop flights in May | $ 58 – $ 628 |
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One-way trips
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Travelers usually depart from Seattle–Tacoma International, or Kenmore Air Harbor Seaplane Base when they travel from Seattle to Denver. The distance between Seattle and Denver is 1646 km. The most popular airlines for this route are United Airlines, Alaska Airlines, and Frontier Airlines. Seattle and Denver have 82 direct flights per week.
Weekly direct flights
Discover the top airlines offering direct flights from Seattle to Denver in the next month. You’ll find the number of daily direct flights per airline in the table.
Weekly direct flights for Mon 22.04 - Sun 28.04
| Airline | Mon 22.04 | Tue 23.04 | Wed 24.04 | Thu 25.04 | Fri 26.04 | Sat 27.04 | Sun 28.04 |
|---|---|---|---|---|---|---|---|
| 3 | 4 | 5 | 2 | 2 | 3 | 1 | |
| 3 | 2 | 2 | 4 | 3 | 2 | 1 | |
| 2 | 1 | 1 | 1 | 2 | 2 | --- |
Weekly direct flights for Mon 29.04 - Sun 05.05
| Airline | Mon 29.04 | Tue 30.04 | Wed 01.05 | Thu 02.05 | Fri 03.05 | Sat 04.05 | Sun 05.05 |
|---|---|---|---|---|---|---|---|
| 3 | 3 | 4 | 2 | 5 | 4 | 5 | |
| 2 | 2 | 2 | --- | 2 | 2 | 2 | |
| 2 | 1 | 1 | 1 | 2 | 2 | 1 |
Weekly direct flights for Mon 06.05 - Sun 12.05
| Airline | Mon 06.05 | Tue 07.05 | Wed 08.05 | Thu 09.05 | Fri 10.05 | Sat 11.05 | Sun 12.05 |
|---|---|---|---|---|---|---|---|
| 4 | 4 | 4 | 1 | 4 | 4 | 4 | |
| 1 | 3 | 1 | 1 | 3 | 3 | 3 | |
| 2 | 1 | 1 | 1 | 2 | 2 | 1 |
Weekly direct flights for Mon 13.05 - Sun 19.05
| Airline | Mon 13.05 | Tue 14.05 | Wed 15.05 | Thu 16.05 | Fri 17.05 | Sat 18.05 | Sun 19.05 |
|---|---|---|---|---|---|---|---|
| 4 | 4 | 4 | 1 | 2 | 2 | 2 | |
| 1 | 3 | 4 | 3 | 5 | 3 | 3 | |
| 2 | 1 | 1 | 2 | 2 | 2 | 2 |
Check-in for a flight from Seattle to Denver
| 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 |
Weather in Denver
Average Weather
| Month | Average monthly max temperature | Average monthly min temperature |
| January | 4°C | -6°C |
| February | 4°C | -6°C |
| March | 10°C | -2°C |
| April | 13°C | 1°C |
| May | 18°C | 6°C |
| June | 26°C | 12°C |
| July | 29°C | 16°C |
| August | 28°C | 15°C |
| September | 25°C | 11°C |
| October | 17°C | 4°C |
| November | 10°C | -1°C |
| December | 4°C | -6°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
