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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
July 2026	$ 464
August 2026	$ 244
September 2026	$ 219
November 2026	$ 102
December 2026	$ 111
January 2027	$ 145
April 2027	$ 129
May 2027	$ 119
June 2027	$ 149

deals for one-way flights from Keflavik to London.

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Updated Jul 21, 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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