Cheap flights from Seattle, WA to Denver, CO
Flights starting at £26. Choose between United Airlines, Alaska Airlines, or Frontier Airlines to find the best price.
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Tips to know when travelling to Denver
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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 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 |
|---|---|---|---|---|---|---|---|
| 4 | 4 | 5 | 1 | 5 | 2 | --- | |
| 2 | 1 | --- | 3 | 3 | --- | 1 | |
| 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Weekly direct flights for Mon 07.10 - Sun 13.10
| Airline | Mon 07.10 | Tue 08.10 | Wed 09.10 | Thu 10.10 | Fri 11.10 | Sat 12.10 | Sun 13.10 |
|---|---|---|---|---|---|---|---|
| 2 | 3 | 2 | --- | 1 | 3 | 3 | |
| 4 | 2 | 1 | --- | 1 | 1 | 6 | |
| 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Weekly direct flights for Mon 14.10 - Sun 20.10
| Airline | Mon 14.10 | Tue 15.10 | Wed 16.10 | Thu 17.10 | Fri 18.10 | Sat 19.10 | Sun 20.10 |
|---|---|---|---|---|---|---|---|
| 2 | 3 | 5 | 2 | 2 | 4 | 2 | |
| 6 | 3 | 1 | 2 | 2 | --- | --- | |
| 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Weekly direct flights for Mon 21.10 - Sun 27.10
| Airline | Mon 21.10 | Tue 22.10 | Wed 23.10 | Thu 24.10 | Fri 25.10 | Sat 26.10 | Sun 27.10 |
|---|---|---|---|---|---|---|---|
| 3 | 5 | 5 | 2 | 3 | 3 | 4 | |
| 3 | 4 | 1 | 2 | 3 | 3 | 3 | |
| 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Check-in for a flight from Seattle to Denver
| Name | Carrier code | IATA Code | Passport needed during booking | |
|---|---|---|---|---|
| United Airlines | UAL | UA | Yes | |
| Alaska Airlines | ASA | AS | No | |
| Frontier Airlines | FFT | F9 | No |
Online check-in is not available for these airlines.
Denver travel tips
1) Buy a Citypass in Denver to save some money | For those who plan to see a lot of Denver, purchasing a City Pass is the best option. This card will give free entry into many museums and other sights, as well as special rates for public transport (35 percent less than simple retes). |
|---|---|
2) Sport fans must attend a baseball match in Denver | Denver is an incredibly sporty city. All sports fans flock to various stadiums to watch a Colorado Rockies, Avalanche or Nuggets game before you leave the city. Choosing a venue remember that the large Stadium Arena at National Western Complex will give you the most unforgettable emotions. |
3) Do not hesitate to ask if ice skating is free in winter in Denver | Locals of Denver adore ice skating in winter. Lots of local businesses set up ice skating areas for pedestrians. Anytime you see a rink, feel free to ask if the admission fee is needed, because pretty often it is not. |
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 | 14°C | 1°C |
| May | 18°C | 6°C |
| June | 26°C | 13°C |
| July | 29°C | 16°C |
| August | 28°C | 15°C |
| September | 25°C | 12°C |
| October | 17°C | 4°C |
| November | 10°C | -1°C |
| December | 4°C | -6°C |
14 day forecast
Frequently asked questions
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