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

Friday, August 14th, 2026

8 round-trip options

Returning
Wed, Aug 19, 20265 Day Trip
$1,018 USD
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Fri, Aug 21, 20267 Day Trip
$1,013 USD
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Sat, Aug 22, 20268 Day Trip
$1,248 USD
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Sun, Aug 23, 20269 Day Trip
$1,245 USD
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Mon, Aug 24, 202610 Day Trip
$1,005 USD
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Tue, Aug 25, 202611 Day Trip
$1,005 USD
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Wed, Aug 26, 202612 Day Trip
$1,010 USD
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Fri, Aug 28, 202614 Day Trip
$1,013 USD