Search flights from Seattle (SEA) to Denver (DEN)
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Cheapest flights to Denver
The cheapest flights available in the next 60 days – prices are updated regularly
- Tue 21 OctUS$53.66One wayEconomy1 traveller
- Sat 18 OctUS$55.84One wayEconomy1 traveller
- Wed 22 OctUS$56.05One wayEconomy1 traveller
Flying from Seattle to Denver: things to know
The most popular route is from Sea-Tac Airport in Seattle to Denver International Airport in Denver. On average this flight takes 2 hours 52 minutes one way and costs US$390 for the round trip.
Most popular route | Sea-Tac Airport (SEA) to Denver International Airport (DEN) |
|---|---|
Average flight time | 2 hours 52 minutes |
Average round-trip price | US$390 |
Fly from Seattle to Denver | 7 airlines |
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Airlines that fly from Seattle to Denver
Airline options may vary according to recently booked flights and your search terms
Frontier Airlines
Alaska Airlines
United Airlines
Hawaiian Airlines
Southwest Airlines
Spirit Airlines
American Airlines
Frequently asked questions
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