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

Monday, December 28th, 2026

8 round-trip options

Returning
Sat, Jan 2, 2027•5 Day Trip
$2,367 USD
Google Flights
Returning
Sun, Jan 3, 2027•6 Day Trip
$4,446 USD
Google Flights
Returning
Mon, Jan 4, 2027•7 Day Trip
$2,173 USD
Google Flights
Returning
Tue, Jan 5, 2027•8 Day Trip
$2,299 USD
Google Flights
Returning
Wed, Jan 6, 2027•9 Day Trip
$1,723 USD
Google Flights
Returning
Thu, Jan 7, 2027•10 Day Trip
$904 USD
Google Flights
Returning
Sat, Jan 9, 2027•12 Day Trip
$1,620 USD
Google Flights
Returning
Sun, Jan 10, 2027•13 Day Trip
$920 USD
Google Flights