Cheapest return flights from San Francisco to Keflavik in July from 596€

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

Return flights

22 Jul - 27 Jul Delta
27 Jul - 04 Aug Air France
21 Jul - 27 Jul Delta
10 Jul - 16 Jul Alaska Airlines
23 Jul - 30 Jul Alaska Airlines
24 Jul - 01 Aug Air France
09 Jul - 30 Jul Alaska Airlines
12 Jul - 19 Jul Alaska Airlines
18 Jul - 22 Jul Air France
17 Jul - 24 Jul Delta
18 Jul - 27 Jul Delta
24 Jul - 31 Jul United
30 Jul - 06 Aug United
28 Jul - 04 Aug United
26 Jul - 02 Aug United

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Feel free to contact us with any feedback or request another flight research.