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

Tuesday, December 29th, 2026

7 round-trip options

Returning
Sun, Jan 3, 2027•5 Day Trip
$3,962 USD
Google Flights
Returning
Mon, Jan 4, 2027•6 Day Trip
$1,442 USD
Google Flights
Returning
Tue, Jan 5, 2027•7 Day Trip
$1,686 USD
Google Flights
Returning
Wed, Jan 6, 2027•8 Day Trip
$1,913 USD
Google Flights
Returning
Thu, Jan 7, 2027•9 Day Trip
$893 USD
Google Flights
Returning
Sun, Jan 10, 2027•12 Day Trip
$909 USD
Google Flights
Returning
Tue, Jan 12, 2027•14 Day Trip
$905 USD
Google Flights