Cheap flights from Istanbul to Northwest Washington from CA $748

View CA $748 flight on Sat, Nov. 1, 2025Opens in a new window

Popular airlines from Istanbul to Northwest Washington

  • Air Canada

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  • WestJet

    WestJet

  • Flair Airlines

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  • American Airlines

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  • United

    United

  • Delta

    Delta

  • Porter Airlines

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Cheap flights from Istanbul (IST) to Northwest Washington (SEA)

Prices were available within the past 7 days and start at CA $748 for one-way flights and CA $765 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Mon, Sep. 8 - Thu, Sep. 25
IST
Istanbul
SEA
Seattle
CA $765 Roundtrip, found 2 days ago
CA $765
Roundtrip
found 2 days ago
Select KLM flight, departing Mon, Sep. 8 from Istanbul to Seattle, returning Thu, Sep. 25, priced at CA $765 found 2 days ago
Lufthansa
Mon, Mar. 30 - Fri, Apr. 10
IST
Istanbul
SEA
Seattle
CA $866 Roundtrip, found 2 days ago
CA $866
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Mon, Mar. 30 from Istanbul to Seattle, returning Fri, Apr. 10, priced at CA $866 found 2 days ago
British Airways
Fri, Jan. 30 - Fri, Feb. 13
IST
Istanbul
SEA
Seattle
CA $878 Roundtrip, found 3 days ago
CA $878
Roundtrip
found 3 days ago
Select British Airways flight, departing Fri, Jan. 30 from Istanbul to Seattle, returning Fri, Feb. 13, priced at CA $878 found 3 days ago
British Airways
Thu, Sep. 11 - Wed, Sep. 24
SAW
Istanbul
SEA
Seattle
CA $918 Roundtrip, found 4 hours ago
CA $918
Roundtrip
found 4 hours ago
Select British Airways flight, departing Thu, Sep. 11 from Istanbul to Seattle, returning Wed, Sep. 24, priced at CA $918 found 4 hours ago
Delta
Thu, Sep. 11 - Wed, Sep. 24
IST
Istanbul
SEA
Seattle
CA $950 Roundtrip, found 4 hours ago
CA $950
Roundtrip
found 4 hours ago
Select Delta flight, departing Thu, Sep. 11 from Istanbul to Seattle, returning Wed, Sep. 24, priced at CA $950 found 4 hours ago
American Airlines
Thu, Sep. 11 - Wed, Sep. 24
IST
Istanbul
SEA
Seattle
CA $977 Roundtrip, found 4 hours ago
CA $977
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Thu, Sep. 11 from Istanbul to Seattle, returning Wed, Sep. 24, priced at CA $977 found 4 hours ago
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