Direct flights from Seattle to Denver (SEA → DEN)

Distance 1,645 km (1,022 mi)
Est. duration 1h 56m
SEA
Seattle
Seattle Tacoma International, USA
DEN
Denver
Denver International, USA
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Live fares · SEA → DEN

Available flights

Frontier AirlinesNon-stop
from$81
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Frequently asked questions

How far is the flight from Seattle to Denver? The flight distance from SEA to DEN is approximately 1,645 km (1,022 miles).
How long is the flight from SEA to DEN? The estimated flight time from Seattle to Denver is approximately 1h 56m.
What airlines fly from SEA to DEN? Airlines operating direct flights from Seattle to Denver include: AS, DL, F9, UA, WN.

Cheapest fares Seattle → Denver

Seattle SEA
Denver DEN
July — August — September — October — November — December —

Related guides for this route

Sibling pages from across Flightmaps — fares, visa rules, country aggregations, and per-airline routes for Seattle → Denver.

Cheap flights from Seattle to Denver Cheapest month to fly to Denver Flights from USA Flights to USA Visa-free with USA passport All airports in USA AS routes & destinations All routes by this carrier DL routes & destinations All routes by this carrier F9 routes & destinations All routes by this carrier UA routes & destinations All routes by this carrier

Try a nearby airport to Seattle

Flights to Denver (DEN) from other airports within 350 km of Seattle. Often unlocks cheaper fares or better times.

PAE → DEN 52 km from SEA Everett → Denver USA · 9 destinations BLI → DEN 151 km from SEA Bellingham → Denver USA · 7 destinations YYJ → DEN 157 km from SEA Victoria → Denver Canada · 15 destinations YVR → DEN 205 km from SEA Vancouver → Denver Canada · 123 destinations PDX → DEN 207 km from SEA Portland → Denver USA · 90 destinations

Or try a nearby airport to Denver

Flights from Seattle (SEA) to other airports within 350 km of Denver.

SEA → COS 116 km from DEN Seattle → Colorado Springs USA · 17 destinations SEA → EGE 193 km from DEN Seattle → Vail USA · 16 destinations SEA → ASE 201 km from DEN Seattle → Aspen USA · 13 destinations SEA → HDN 228 km from DEN Seattle → Hayden USA · 13 destinations SEA → MTJ 315 km from DEN Seattle → Montrose USA · 9 destinations

Other flights from Seattle (SEA)

Albuquerque (ABQ) Amsterdam (AMS) Anchorage (ANC) Arcata (ACV) Atlanta (ATL) Austin (AUS) Baltimore (BWI) Barcelona (BCN) All 139 destinations →

Other flights from Denver (DEN)

Abilene (ABI) Alamosa (ALS) Albany (ALB) Albuquerque (ABQ) Allentown (ABE) Alliance (AIA) Amarillo (AMA) Anchorage (ANC) All 235 destinations →