Cheapest return flights from Seattle (SEA) to Keflavik (KEF), July

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
19 Jul 23 Jul Air Canada
12 Jul 21 Jul Delta
10 Jul 28 Jul Delta
28 Jul 04 Aug Virgin Atlantic
15 Jul 22 Jul Air France
12 Jul 21 Jul Alaska Airlines
Direct Flight
28 Jul 04 Aug Icelandair
Direct Flight
15 Jul 22 Jul Icelandair
Direct Flight
20 Jul 27 Jul Icelandair
Direct Flight
08 Jul 15 Jul Icelandair
Direct Flight
19 Jul 23 Jul Icelandair
Direct Flight
21 Jul 27 Jul Icelandair
Direct Flight
27 Jul 08 Aug Delta
27 Jul 08 Aug Icelandair
Direct Flight
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Updated Jul 4, 2026.

About these fares

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