Cheapest return SAN–KEF flights, August

AirHint found the following cheapest return flights from San Diego (SAN) to Keflavik (KEF) in August 2026 (see full year).

Return flights

20 Aug - 29 Aug WestJet
28 Aug - 11 Sep Icelandair
13 Aug - 17 Aug Southwest Airlines

Also check the deals for one-way flights from San Diego to Keflavik in August.

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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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