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Cheapest return flights from Keflavik (KEF) to London (LTN)

Click a month below to see all dates for that month.

All destinations from Keflavik (KEF)

Lowest fare by month
Month	Price
August 2026	213 €
September 2026	149 €
October 2026	111 €
November 2026	89 €
December 2026	100 €
January 2027	127 €
March 2027	101 €
April 2027	113 €
May 2027	104 €
June 2027	400 €

deals for one-way flights from Keflavik to London.

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Updated Jul 19, 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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Cheapest return flights from Keflavik (KEF) to London (LTN)

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