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 2 hours ago
Rare Availability
5% of dates checked are available within 10% of the lowest price

Friday, October 16th, 2026

7 round-trip options

Returning
Wed, Oct 21, 2026•5 Day Trip
$1,190 USD
Google Flights
Returning
Thu, Oct 22, 2026•6 Day Trip
$766 USD
Google Flights
Returning
Fri, Oct 23, 2026•7 Day Trip
$780 USD
Google Flights
Returning
Sat, Oct 24, 2026•8 Day Trip
$766 USD
Google Flights
Returning
Sun, Oct 25, 2026•9 Day Trip
$789 USD
Google Flights
Returning
Mon, Oct 26, 2026•10 Day Trip
$911 USD
Google Flights
Returning
Thu, Oct 29, 2026•13 Day Trip
$766 USD
Google Flights