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

Monday, September 21st, 2026

7 round-trip options

Returning
Sat, Sep 26, 2026•5 Day Trip
$640 USD
Google Flights
Returning
Sun, Sep 27, 2026•6 Day Trip
$640 USD
Google Flights
Returning
Mon, Sep 28, 2026•7 Day Trip
$640 USD
Google Flights
Returning
Tue, Sep 29, 2026•8 Day Trip
$640 USD
Google Flights
Returning
Wed, Sep 30, 2026•9 Day Trip
$640 USD
Google Flights
Returning
Fri, Oct 2, 2026•11 Day Trip
$627 USD
Google Flights
Returning
Mon, Oct 5, 2026•14 Day Trip
$627 USD
Google Flights