Seattle / Tacoma (SEA) to Reykjavik (Keflavik) (KEF) flight deal in economy from $416

Air CanadaACAir CanadaLufthansaLHLufthansaSwiss International Air LinesLXSwiss International Air LinesAustrian AirlinesOSAustrian AirlinesUnited AirlinesUAUnited Airlines
One Way•Economy
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
IcelandKEF

Keflavík International Airport

Reykjavik (Keflavik), Iceland
$566 USD
-27%$416 USD
Verified about 4 hours ago
Limited Availability
17% of dates checked are available within 10% of the lowest price

Thursday, September 3rd, 2026

No flight details available for this date.