Direct flights from Seattle to Dulles (SEA → IAD)

Distance 3,701 km (2,300 mi)
Est. duration 4h 21m
SEA
Seattle
Seattle Tacoma International, USA
IAD
Dulles
Washington Dulles International, USA
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Live fares · SEA → IAD

Available flights

Alaska AirlinesNon-stop
from$348
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Frequently asked questions

How far is the flight from Seattle to Dulles? The flight distance from SEA to IAD is approximately 3,701 km (2,300 miles).
How long is the flight from SEA to IAD? The estimated flight time from Seattle to Dulles is approximately 4h 21m.
What airlines fly from SEA to IAD? Airlines operating direct flights from Seattle to Dulles include: AS, DL, UA.

Cheapest fares Seattle → Dulles

Seattle SEA
Dulles IAD
May — June — July — August — September — October —

Related guides for this route

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

Cheap flights from Seattle to Dulles Cheapest month to fly to Dulles 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 UA routes & destinations All routes by this carrier

Try a nearby airport to Seattle

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

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

Or try a nearby airport to Dulles

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

SEA → DCA 37 km from IAD Seattle → Washington USA · 108 destinations SEA → BWI 72 km from IAD Seattle → Baltimore USA · 90 destinations SEA → CHO 126 km from IAD Seattle → Charlottesville USA · 6 destinations SEA → MDT 150 km from IAD Seattle → Middletown USA · 19 destinations SEA → RIC 161 km from IAD Seattle → Richmond USA · 37 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 Dulles (IAD)

Abu Dhabi (AUH) Accra (ACC) Addis Ababa (ADD) Albany (ALB) Albuquerque (ABQ) Amman (AMM) Amsterdam (AMS) Anchorage (ANC) All 163 destinations →