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, December 23rd, 2026

9 round-trip options

Returning
Mon, Dec 28, 2026•5 Day Trip
$986 USD
Google Flights
Returning
Tue, Dec 29, 2026•6 Day Trip
$1,446 USD
Google Flights
Returning
Wed, Dec 30, 2026•7 Day Trip
$1,709 USD
Google Flights
Returning
Thu, Dec 31, 2026•8 Day Trip
$1,059 USD
Google Flights
Returning
Sat, Jan 2, 2027•10 Day Trip
$2,209 USD
Google Flights
Returning
Sun, Jan 3, 2027•11 Day Trip
$3,871 USD
Google Flights
Returning
Mon, Jan 4, 2027•12 Day Trip
$1,564 USD
Google Flights
Returning
Tue, Jan 5, 2027•13 Day Trip
$1,725 USD
Google Flights
Returning
Wed, Jan 6, 2027•14 Day Trip
$1,173 USD
Google Flights