Cheap Flights from Istanbul to Bellevue

View €469 flight on Mon, 17 Nov 2025Opens in a new window

Popular airlines from Istanbul to Bellevue

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Cheap flights from Istanbul to Bellevue (IST-SEA)

Prices were available within the past 7 days and start at €469 for one-way flights and €480 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, 14 Nov - Mon, 17 Nov
IST
Istanbul
SEA
Seattle
€480 Return, found 4 days ago
€480
Return
found 4 days ago
Select American Airlines flight, departing Fri, 14 Nov from Istanbul to Seattle, returning Mon, 17 Nov, priced at €480 found 4 days ago
British Airways
Fri, 14 Nov - Mon, 17 Nov
IST
Istanbul
SEA
Seattle
€485 Return, found 4 days ago
€485
Return
found 4 days ago
Select British Airways flight, departing Fri, 14 Nov from Istanbul to Seattle, returning Mon, 17 Nov, priced at €485 found 4 days ago
British Airways
Thu, 11 Sep - Wed, 24 Sep
SAW
Istanbul
SEA
Seattle
€511 Return, found 8 hours ago
€511
Return
found 8 hours ago
Select British Airways flight, departing Thu, 11 Sep from Istanbul to Seattle, returning Wed, 24 Sep, priced at €511 found 8 hours ago
KLM
Thu, 11 Sep - Wed, 24 Sep
IST
Istanbul
SEA
Seattle
€524 Return, found 8 hours ago
€524
Return
found 8 hours ago
Select KLM flight, departing Thu, 11 Sep from Istanbul to Seattle, returning Wed, 24 Sep, priced at €524 found 8 hours ago
Air France
Wed, 24 Sep - Thu, 2 Oct
IST
Istanbul
SEA
Seattle
€545 Return, found 1 day ago
€545
Return
found 1 day ago
Select Air France flight, departing Wed, 24 Sep from Istanbul to Seattle, returning Thu, 2 Oct, priced at €545 found 1 day ago
Delta
Thu, 11 Sep - Wed, 24 Sep
IST
Istanbul
SEA
Seattle
€564 Return, found 8 hours ago
€564
Return
found 8 hours ago
Select Delta flight, departing Thu, 11 Sep from Istanbul to Seattle, returning Wed, 24 Sep, priced at €564 found 8 hours ago

Find the cheapest month to fly from Istanbul (IST) to Seattle (SEA)

February is typically the cheapest month to fly

From €416 - €1,052 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.