Flights from Denver to Seattle
Denver and Seattle are about 1,650 km apart, and the scheduled nonstop flight takes about 2 h 58 min. Southwest Airlines has a nonstop flight on this route. You compare the fares in one search and book with the airline or travel agency you choose, so you see the final price before you pay.
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Updated 21 October 2026
Nonstop flights from Denver to Seattle
Denver and Seattle are about 1,650 km apart, and the scheduled nonstop flight takes about 2 h 58 min. The distance is the great-circle distance between the two airports, so the route a flight actually flies is a little longer. The flight arrives at SEA.
| Fact | Detail |
|---|---|
| From | Denver (DEN) |
| To | Seattle (SEA) |
| Distance | About 1650 km |
| Time in the air | About 2 h 58 min |
| Airlines on the route | Southwest Airlines |
Airlines that fly from Denver to Seattle
Southwest Airlines has a nonstop flight on this route. The scheduled time comes from the published schedule, checked on 22 October 2026.
More flights from Denver
Flights from Denver, Flights from Denver to Frankfurt, Flights from Denver to Munich, Flights from Denver to Atlanta, Flights from Denver to Boston, Flights from Denver to Cancún, Flights from Denver to Los Angeles, Flights from Denver to Miami, Flights from Denver to Orlando, Flights from Denver to Phoenix, Flights from Denver to San Diego, Flights from Denver to San Francisco
More flights to Seattle
Flights to Seattle, Flights from Dubai to Seattle, Flights from Phoenix to Seattle
The airports of the route
Denver Airport (DEN), Seattle Airport (SEA), Denver travel guide, Seattle travel guide
How to book
Morsilla Travel compares the fares in one search. When you pick a ticket you finish with the airline or travel agency you choose, so you see the baggage allowance and the payment options before you pay. We do not change the price of your ticket.
Sources
- the flight duration Southwest publishes for the nonstop flight on its own route page for Denver to Seattle — southwest.com (checked 22 October 2026)
Frequently asked questions
How long is the flight from Denver to Seattle?
The scheduled nonstop flight takes about 2 h 58 min. The two airports are about 1,650 km apart, measured as the great-circle distance between them.
Which airlines fly this route nonstop?
Southwest Airlines has a nonstop flight on this route. The Morsilla Travel search compares the fares of that airline.
Which airports do the flights from Denver to Seattle use?
They leave from DEN and arrive at SEA. The check-in, the security and the baggage claim all happen in the terminals of those two airports.