Cheapest return flights from San Francisco to Keflavik in July from $651

AirHint found the following cheapest return flights from San Francisco (SFO) to Keflavik (KEF) in July 2025 (see full year).

Return flights

28 Jul - 05 Aug Air France
29 Jul - 05 Aug Air France
22 Jul - 27 Jul Air Canada
24 Jul - 27 Jul Air Canada
21 Jul - 27 Jul Air Canada
20 Jul - 23 Jul WestJet

Also check the deals for one-way flights from San Francisco to Keflavik in July.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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