Seattle, WA to Denver, CO flights
Flights starting at $43. Choose between Frontier Airlines, Alaska Airlines, or Spirit Airlines to find the best price.
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Cheapest one-way trip | $64 |
|---|---|
Cheapest round-trip | $140 |
Includes rare itinerary | Travel hack |
Nonstop flights in November | $43 – $334 |
Most popular airline | Frontier Airlines |
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Travelers usually depart from Seattle–Tacoma International, Kenmore Air Harbor Seaplane Base, Seattle, WA - University of Washington, Seattle, WA - Poly Clinic, or Seattle, WA - Harborview Med when they travel from Seattle to Denver. Book your trip to arrive at Denver International, or Denver Union Station. The distance between Seattle and Denver is 1646 km. The most popular airlines for this route are Frontier Airlines, Alaska Airlines, Spirit Airlines, United Airlines, and American Airlines. Seattle and Denver have 234 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 Sun 19.11 - Sat 25.11
| Airline | Sun 19.11 | Mon 20.11 | Tue 21.11 | Wed 22.11 | Thu 23.11 | Fri 24.11 | Sat 25.11 |
|---|---|---|---|---|---|---|---|
| --- | --- | --- | --- | --- | --- | 3 | |
| --- | --- | --- | --- | --- | --- | --- | |
| --- | --- | --- | --- | 1 | 1 | 1 | |
| --- | --- | --- | --- | --- | --- | --- |
Weekly direct flights for Sun 26.11 - Sat 02.12
| Airline | Sun 26.11 | Mon 27.11 | Tue 28.11 | Wed 29.11 | Thu 30.11 | Fri 01.12 | Sat 02.12 |
|---|---|---|---|---|---|---|---|
| --- | --- | --- | --- | --- | --- | 6 | |
| --- | --- | --- | --- | --- | --- | 3 | |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| --- | --- | --- | --- | --- | --- | --- |
Weekly direct flights for Sun 03.12 - Sat 09.12
| Airline | Sun 03.12 | Mon 04.12 | Tue 05.12 | Wed 06.12 | Thu 07.12 | Fri 08.12 | Sat 09.12 |
|---|---|---|---|---|---|---|---|
| 5 | 6 | 6 | 5 | 4 | 5 | 5 | |
| 4 | 4 | 2 | 3 | 4 | 4 | 3 | |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| --- | --- | --- | --- | --- | --- | --- |
Weekly direct flights for Sun 10.12 - Sat 16.12
| Airline | Sun 10.12 | Mon 11.12 | Tue 12.12 | Wed 13.12 | Thu 14.12 | Fri 15.12 | Sat 16.12 |
|---|---|---|---|---|---|---|---|
| 5 | 5 | 5 | 5 | 4 | 5 | 1 | |
| 4 | 4 | 3 | 3 | 5 | 5 | 4 | |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| --- | --- | --- | --- | --- | --- | --- |
Check-in for a flight from Seattle to Denver
| Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
|---|---|---|---|---|
| Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
| Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
| Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
| United Airlines | UAL | UA | Yes | No |
| American Airlines | AAL | AA | No | No |
Learn more about COVID-19 restrictions in United States in our dedicated Stories article.
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