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, Oct 21$46.26One-wayEconomy1 traveler
- Wed, Oct 22$48.40One-wayEconomy1 traveler
- Wed, Oct 15$49.37One-wayEconomy1 traveler
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 47 minutes one-way and costs $420 round-trip.
Most popular route | Sea-Tac Airport (SEA) to Denver International Airport (DEN) |
|---|---|
Average flight time | 2 hours 47 minutes |
Average round-trip price | $420 |
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
Spirit Airlines
Southwest Airlines
American Airlines
Frequently asked questions
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