Cheapest return flights from Keflavik to London in May from $151

Best time to book flights for Keflavik (KEF) to London (LTN) flights at AirHint

AirHint found the following cheapest return flights from Keflavik (KEF) to London (LTN) in May 2025 (see full year).

Return flights

18 May - 25 May easyJet direct
08 May - 11 May Fly Play

Also check the deals for one-way flights from Keflavik to London in May.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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