Seattle / Tacoma (SEA) to Reykjavik (Keflavik) (KEF) flight deal in economy from $519

Air FranceAFAir FranceDelta Air LinesDLDelta Air LinesKLMKLKLM
Round Trip•Economy
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
IcelandKEF

Keflavík International Airport

Reykjavik (Keflavik), Iceland
$1,266 USD
-59%$519 USD
Verified 1 day ago
Limited Availability
11% of dates checked are available within 10% of the lowest price

Sunday, September 20th, 2026

7 round-trip options

Returning
Fri, Sep 25, 2026•5 Day Trip
$646 USD
Google Flights
Returning
Sat, Sep 26, 2026•6 Day Trip
$646 USD
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Returning
Sun, Sep 27, 2026•7 Day Trip
$646 USD
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Returning
Mon, Sep 28, 2026•8 Day Trip
$646 USD
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Returning
Tue, Sep 29, 2026•9 Day Trip
$646 USD
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Returning
Thu, Oct 1, 2026•11 Day Trip
$633 USD
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Returning
Sun, Oct 4, 2026•14 Day Trip
$633 USD
Google Flights