Cheapest one-way flights from San Francisco (SFO) to Keflavik (KEF)

Cheapest month: April 2027, from $ 394. Book in one tap, or open a month for every date.

All destinations from San Francisco (SFO)

One-wayReturn

  • January 2027

    1 Jan 2027
    $ 668 one-way
    British Airways
    Price seen 10 Oct
    January dates

  • April 2027

    12 Apr 2027
    $ 394 one-way Cheapest month
    Air Europa
    Price seen 11 Oct
    April dates

  • July 2027

    20 Jul 2027
    $ 546 one-way
    Air Canada
    Price seen 11 Oct
    July dates
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Updated Oct 11, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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