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

Sunday, October 18th, 2026

7 round-trip options

Returning
Fri, Oct 23, 2026•5 Day Trip
$780 USD
Google Flights
Returning
Sat, Oct 24, 2026•6 Day Trip
$766 USD
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Returning
Sun, Oct 25, 2026•7 Day Trip
$652 USD
Google Flights
Returning
Mon, Oct 26, 2026•8 Day Trip
$774 USD
Google Flights
Returning
Thu, Oct 29, 2026•11 Day Trip
$492 USD
Google Flights
Returning
Sat, Oct 31, 2026•13 Day Trip
$492 USD
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Returning
Sun, Nov 1, 2026•14 Day Trip
$861 USD
Google Flights