Seattle / Tacoma (SEA) to Reykjavik (Keflavik) (KEF) flight deal in economy from $510

Friday, August 7th, 2026

8 round-trip options

Returning
Wed, Aug 12, 20265 Day Trip
$1,210 USD
Returning
Fri, Aug 14, 20267 Day Trip
$2,474 USD
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Sat, Aug 15, 20268 Day Trip
$1,851 USD
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Sun, Aug 16, 20269 Day Trip
$1,445 USD
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Mon, Aug 17, 202610 Day Trip
$1,445 USD
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Tue, Aug 18, 202611 Day Trip
$1,210 USD
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Wed, Aug 19, 202612 Day Trip
$1,210 USD
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Fri, Aug 21, 202614 Day Trip
$1,205 USD