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American Airlines Flights from Chicago, IL (CHI-All Airports) to Seattle-Tacoma International Airport (SEA)
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€124 Cheap American Airlines flights Chicago (CHI) to Seattle (SEA)

Prices were available within the past 7 days and start at €124 for one-way flights and €247 for return, for the period specified. Prices and availability are subject to change.

All deals

One way

Return

Thu, 29 Oct - Wed, 4 Nov

ORD

Chicago

SEA

Seattle

€247

Return

Found 3 days ago

Select American Airlines flight, departing Thu, 29 Oct from Chicago to Seattle, returning Wed, 4 Nov, priced at €247 Found 3 days ago

Mon, 23 Nov - Thu, 26 Nov

ORD

Chicago

SEA

Seattle

€249

Return

Found 5 days ago

Select American Airlines flight, departing Mon, 23 Nov from Chicago to Seattle, returning Thu, 26 Nov, priced at €249 Found 5 days ago

Thu, 29 Oct - Wed, 4 Nov

ORD

Chicago

SEA

Seattle

€252

Return

Found 3 days ago

Select American Airlines flight, departing Thu, 29 Oct from Chicago to Seattle, returning Wed, 4 Nov, priced at €252 Found 3 days ago

Thu, 29 Oct - Wed, 4 Nov

ORD

Chicago

SEA

Seattle

€255

Return

Found 3 days ago

Select American Airlines flight, departing Thu, 29 Oct from Chicago to Seattle, returning Wed, 4 Nov, priced at €255 Found 3 days ago

Thu, 29 Oct - Wed, 4 Nov

ORD

Chicago

SEA

Seattle

€274

Return

Found 3 days ago

Select American Airlines flight, departing Thu, 29 Oct from Chicago to Seattle, returning Wed, 4 Nov, priced at €274 Found 3 days ago

Mon, 2 Nov - Mon, 9 Nov

ORD

Chicago

PAE

Seattle

€534

Return

Found 1 hour ago

Select American Airlines flight, departing Mon, 2 Nov from Chicago to Seattle, returning Mon, 9 Nov, priced at €534 Found 1 hour ago

Find the cheapest month to fly from Chicago (CHI) to Seattle (SEA)

October is typically the cheapest month to fly

From €172 - €309 per traveller.

Travel information

Origin airport	Chicago O'Hare Intl. Airport
Destination airport	Seattle-Tacoma International Airport
Distance	2,761 km away
Airline name	American Airlines
Airline code	AA
Return price	€247
Average flight time	5 hours 50 mins

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American Airlines Cheap Flights from Chicago to Seattle

Be in the know

Book smarter

Earn twice

€124 Cheap American Airlines flights Chicago (CHI) to Seattle (SEA)

Find the cheapest month to fly from Chicago (CHI) to Seattle (SEA)

October is typically the cheapest month to flyOctober is typically the cheapest month to fly

Travel information

Explore a world of travel with Expedia

October is typically the cheapest month to fly