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 5th, 2026

8 round-trip options

Returning
Tue, Nov 10, 2026•5 Day Trip
$699 USD
Google Flights
Returning
Thu, Nov 12, 2026•7 Day Trip
$645 USD
Google Flights
Returning
Fri, Nov 13, 2026•8 Day Trip
$813 USD
Google Flights
Returning
Sat, Nov 14, 2026•9 Day Trip
$645 USD
Google Flights
Returning
Sun, Nov 15, 2026•10 Day Trip
$759 USD
Google Flights
Returning
Mon, Nov 16, 2026•11 Day Trip
$645 USD
Google Flights
Returning
Tue, Nov 17, 2026•12 Day Trip
$699 USD
Google Flights
Returning
Thu, Nov 19, 2026•14 Day Trip
$644 USD
Google Flights