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

Overview for the next 12 months — click a month to see all dates.

All destinations from London (LTN)

Lowest fare by month
Month	Price
July 2026	Check
August 2026	220 €
September 2026	136 €
October 2026	104 €
November 2026	93 €
December 2026	102 €
January 2027	Check
February 2027	Check
March 2027	Check
April 2027	111 €
May 2027	100 €
June 2027	125 €

deals for one-way flights from London to Keflavik.

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Cheap car rent in Keflavik International Airport

Updated Jul 1, 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 London (LTN) to Keflavik (KEF)

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