Flights from Washington Airport IAD to Seattle Airport SEA

Flight Price FAQ - Washington (IAD) to Seattle (SEA)

DIRECT Delta

What is the cheapest direct flight one way from Washington IAD to Seattle SEA?

The cheapest direct flight one way from Washington IAD to Seattle SEA is £117.54 ($157 €140.80)

£117.54

$157 | €140.80

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DIRECT Delta

What is the cheapest direct return flight from Washington IAD to Seattle SEA?

The cheapest direct return flight from Washington IAD to Seattle SEA is £204.39 ($273 €244.83)

£204.39

$273 | €244.83

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1+ STOP(S)

What is the cheapest flight one way from Washington IAD to Seattle SEA?

The cheapest flight one way from Washington IAD to Seattle SEA is £107.06 ($143 €128.24)

£107.06

$143 | €128.24

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Important Note: Prices shown are taken from searches performed for flights operating during the current month. Please use the "Latest Price" buttons to get the most up to date airfares.

Compare Flight Prices from IAD to SEA

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