Cheapest return flights from San Francisco (SFO) to Keflavik (KEF), August

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
18 Aug 25 Aug Frontier Airlines
12 Aug 02 Sep Alaska Airlines
11 Aug 01 Sep Alaska Airlines
12 Aug 25 Aug Alaska Airlines
25 Aug 01 Sep jetBlue
26 Aug 02 Sep jetBlue
23 Aug 30 Aug WestJet
19 Aug 26 Aug Flair Airlines
22 Aug 29 Aug WestJet
11 Aug 21 Aug Alaska Airlines
24 Aug 01 Sep WestJet
14 Aug 25 Aug WestJet
13 Aug 27 Aug WestJet
29 Aug 05 Sep WestJet
27 Aug 10 Sep WestJet
10 Aug 21 Aug Frontier Airlines
13 Aug 05 Sep WestJet
24 Aug 31 Aug Flair Airlines
30 Aug 06 Sep Alaska Airlines
28 Aug 06 Sep WestJet
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Updated Jul 5, 2026.

About these fares

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