Cheapest one-way flights from San Francisco to Keflavik in October from 309€

AirHint found the following cheapest one-way flights from San Francisco (SFO) to Keflavik (KEF) in October 2025 (see full year).

One-Way flights

29 Oct Hawaiian Airlines
30 Oct Hawaiian Airlines
28 Oct Frontier Airlines

Also check the deals for return flights from San Francisco to Keflavik in October.

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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