Cheapest one-way flights from London (LHR) to Keflavik (KEF), October

10 dates in October, from $ 124. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
31 Oct British Airways
Direct Flight
20 Oct Scandinavian Airlines
30 Oct British Airways
Direct Flight
21 Oct Scandinavian Airlines
22 Oct Scandinavian Airlines
15 Oct Scandinavian Airlines
28 Oct LOT
27 Oct LOT
19 Oct Vueling Airlines
26 Oct LOT
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Cheapest deals for the full year

Deals for return flights from London to Keflavik in October.

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Updated Oct 13, 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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