Cheapest return flights from London to Keflavik in May from $116

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

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

Return flights

11 May - 17 May Fly Play direct
13 May - 21 May Fly Play direct
13 May - 17 May Fly Play direct
13 May - 20 May Fly Play direct
20 May - 22 May Ryanair
20 May - 25 May Ryanair
20 May - 24 May Ryanair
14 May - 17 May Fly Play direct
14 May - 25 May Fly Play direct
29 May - 04 Jun Fly Play direct
19 May - 21 May Ryanair
30 May - 15 Jun Fly Play
30 May - 04 Jun Fly Play direct
30 May - 03 Jun Fly Play direct
29 May - 03 Jun Fly Play direct
28 May - 04 Jun Fly Play direct
29 May - 05 Jun Fly Play
31 May - 04 Jun Fly Play direct
30 May - 06 Jun Fly Play direct
30 May - 14 Jun Fly Play

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