Cheap flights from Seattle, WA to Denver, CO
Flights starting at £30. 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
Cheapest one-way trip | £30 |
|---|---|
Cheapest round-trip | £58 |
Average round-trip | £108 |
Nonstop flights in April | £30 – £460 |
Most popular airline | United Airlines |
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One-way trips
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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 15.04 - Sun 21.04
| Airline | Mon 15.04 | Tue 16.04 | Wed 17.04 | Thu 18.04 | Fri 19.04 | Sat 20.04 | Sun 21.04 |
|---|---|---|---|---|---|---|---|
| 4 | 4 | 5 | 4 | 2 | 4 | 2 | |
| 4 | 4 | 4 | 4 | 1 | 2 | 2 | |
| 2 | 1 | 1 | 1 | 2 | 2 | 1 |
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 | 2 | |
| 2 | 1 | 1 | 1 | 2 | 2 | 1 |
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 | 4 | 3 | 3 | 6 | 4 | 5 | |
| 2 | 2 | 3 | --- | 3 | 2 | 3 | |
| 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 |
|---|---|---|---|---|---|---|---|
| 3 | 4 | 2 | 1 | 4 | 4 | 3 | |
| 3 | 2 | 1 | 1 | 4 | 3 | 4 | |
| 2 | 1 | 1 | 1 | 2 | 2 | 1 |
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 |
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 | 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
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