Cheap flights from Seattle to Denver

Direct flight: 1,645 km, ~1h 56m from Seattle (SEA) to Denver (DEN).

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Live fares · SEA → DEN

Frequently asked questions

  • How long is the flight from Seattle to Denver?

    Direct flights from SEA to DEN cover approximately 1,645 km (1,022 miles), with an estimated flight time of 1h 56m. Operating airlines: AS, DL, F9, UA, WN.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.

Full route page: SEA → DEN Cheapest month to fly to Denver All flights from Seattle All flights to Denver Flights to USA Visa-free with USA passport AS routes DL routes F9 routes