Direct flights from Seattle to Dulles SEA → IAD

NetJets Aviation and United Airlines operate nonstop flights from Seattle (SEA) to Dulles (IAD). The nonstop flight takes around ~4h 38m, covering 2,300 miles (3,702 km) and operates daily. Updated 28 June 2026.

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NetJets Aviation 1I United Airlines UA

Departure Schedule next 7 days

More nonstops from Seattle

SEA → PHX Phoenix 7 airlines SEA → DEN Denver 6 airlines SEA → ICN Seoul 6 airlines SEA → LAX Los Angeles 6 airlines SEA → LAS Las Vegas 5 airlines SEA → MFR Medford 4 airlines SEA → ORD Chicago 4 airlines SEA → PDX Portland 4 airlines

Frequently asked questions

Is there a direct flight from Seattle to Dulles?

Yes, NetJets Aviation and United Airlines operate nonstop flights from Seattle (SEA) to Dulles (IAD).

Which airlines fly direct from Seattle to Dulles?

NetJets Aviation, United Airlines operate nonstop flights from Seattle to Dulles.

How long is the flight from Seattle to Dulles?

The nonstop flight from Seattle to Dulles takes ~4h 38m (approximately 3702 km).

How often do direct flights operate from Seattle to Dulles?

Nonstop flights from Seattle to Dulles operate daily.

Explore More

SEA All direct flights from Seattle 🗓 Find cheapest round-trip dates → IAD All direct flights from Dulles IAD → SEA Return: Dulles to Seattle
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