Cheap flights from Seattle to Denver from £68
Trusted by millions
Kiwi.com Guarantee for stress-free travel
One search, all the best deals
Explore flight deals to Denver
Prices updated:
Not happy with the results? Try some of our useful filters
Search by stops
Search by price
Search by departure date
Prices updated:
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 Denver cost?
Cheapest one-way trip | £68 |
|---|---|
Cheapest nonstop round-trip | £81 |
Cheapest round-trip | £129 |
Nonstop flights in October | £43 – £386 |
Most popular airline | United Airlines |
Key info about flying to Denver
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 chart.
| Airline | Mon 29.09 | Tue 30.09 | Wed 01.10 | Thu 02.10 | Fri 03.10 | Sat 04.10 | Sun 05.10 |
|---|---|---|---|---|---|---|---|
| 2 | 3 | 2 | 3 | 6 | 4 | 2 | |
| --- | --- | --- | --- | 1 | 5 | 2 | |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| --- | --- | --- | --- | 6 | 4 | 1 | |
| Weekly flights: 48 total | Daily flights: 6.86 average | Most flights: Friday 6 flights |
| Airline | Mon 06.10 | Tue 07.10 | Wed 08.10 | Thu 09.10 | Fri 10.10 | Sat 11.10 | Sun 12.10 |
|---|---|---|---|---|---|---|---|
| 1 | 4 | 4 | 3 | 1 | 4 | 4 | |
| 2 | 5 | 6 | 1 | 3 | 5 | 5 | |
| 1 | 1 | 1 | 1 | 2 | 1 | 2 | |
| --- | --- | --- | --- | --- | --- | --- | |
| Weekly flights: 57 total | Daily flights: 8.14 average | Most flights: Wednesday 6 flights |
| Airline | Mon 13.10 | Tue 14.10 | Wed 15.10 | Thu 16.10 | Fri 17.10 | Sat 18.10 | Sun 19.10 |
|---|---|---|---|---|---|---|---|
| 4 | 4 | 4 | 2 | 1 | 4 | 3 | |
| 4 | 5 | 6 | 1 | 1 | 2 | 1 | |
| 2 | 1 | 1 | 1 | 2 | 1 | 2 | |
| --- | --- | --- | --- | --- | --- | --- | |
| Weekly flights: 52 total | Daily flights: 7.43 average | Most flights: Wednesday 6 flights |
| Airline | Mon 20.10 | Tue 21.10 | Wed 22.10 | Thu 23.10 | Fri 24.10 | Sat 25.10 | Sun 26.10 |
|---|---|---|---|---|---|---|---|
| 4 | 4 | 4 | 4 | 4 | 4 | 4 | |
| 5 | 2 | 6 | 6 | 3 | 4 | 1 | |
| 2 | 1 | 1 | 1 | 2 | 1 | 2 | |
| --- | --- | --- | --- | 2 | 4 | 4 | |
| Weekly flights: 75 total | Daily flights: 10.71 average | Most flights: Wednesday 6 flights |
Check-in for a flight from Seattle to Denver
| Name | Carrier code | IATA Code | Passport needed during booking |
|---|---|---|---|
| United Airlines | UAL | UA | No |
| Frontier Airlines | FFT | F9 | No |
| Hawaiian Airlines | HAL | HA | No |
| Alaska Airlines | ASA | AS | No |
| JetBlue Airways | JBU | B6 | No |
Online check-in is not available for these airlines.
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 | -1°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 | 5°C | -6°C |
14 day forecast
Denver travel tips
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).
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.
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.
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 Seattle
Flights to Denver
Popular routes
Airports near Seattle
Airports near Denver
Download our app