Seattle / Tacoma (SEA) to Reykjavik (Keflavik) (KEF) flight deal in economy from $491

Air CanadaACAir CanadaLufthansaLHLufthansaSwiss International Air LinesLXSwiss International Air LinesAustrian AirlinesOSAustrian AirlinesUnited AirlinesUAUnited Airlines
Round Trip•Economy
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
IcelandKEF

Keflavík International Airport

Reykjavik (Keflavik), Iceland
$1,028 USD
-52%$491 USD
Verified about 3 hours ago
Rare Availability
5% of dates checked are available within 10% of the lowest price

Thursday, November 26th, 2026

8 round-trip options

Returning
Tue, Dec 1, 2026•5 Day Trip
$805 USD
Google Flights
Returning
Thu, Dec 3, 2026•7 Day Trip
$632 USD
Google Flights
Returning
Fri, Dec 4, 2026•8 Day Trip
$805 USD
Google Flights
Returning
Sat, Dec 5, 2026•9 Day Trip
$648 USD
Google Flights
Returning
Sun, Dec 6, 2026•10 Day Trip
$817 USD
Google Flights
Returning
Mon, Dec 7, 2026•11 Day Trip
$644 USD
Google Flights
Returning
Tue, Dec 8, 2026•12 Day Trip
$896 USD
Google Flights
Returning
Thu, Dec 10, 2026•14 Day Trip
$632 USD
Google Flights