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

Wednesday, November 18th, 2026

8 round-trip options

Returning
Mon, Nov 23, 2026•5 Day Trip
$510 USD
Google Flights
Returning
Tue, Nov 24, 2026•6 Day Trip
$677 USD
Google Flights
Returning
Thu, Nov 26, 2026•8 Day Trip
$515 USD
Google Flights
Returning
Fri, Nov 27, 2026•9 Day Trip
$819 USD
Google Flights
Returning
Sat, Nov 28, 2026•10 Day Trip
$1,213 USD
Google Flights
Returning
Sun, Nov 29, 2026•11 Day Trip
$869 USD
Google Flights
Returning
Mon, Nov 30, 2026•12 Day Trip
$1,096 USD
Google Flights
Returning
Tue, Dec 1, 2026•13 Day Trip
$677 USD
Google Flights