Cheapest return flights from London to Keflavik in June from $156

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

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

Return flights

01 Jun - 04 Jun easyJet direct
04 Jun - 11 Jun easyJet direct
15 Jun - 18 Jun easyJet
11 Jun - 25 Jun easyJet direct
03 Jun - 11 Jun Fly Play direct
11 Jun - 18 Jun easyJet direct
18 Jun - 25 Jun easyJet direct
04 Jun - 08 Jun easyJet direct
15 Jun - 18 Jun easyJet direct
01 Jun - 08 Jun easyJet direct
26 Jun - 06 Jul Fly Play direct
29 Jun - 02 Jul easyJet
26 Jun - 03 Jul Fly Play
25 Jun - 02 Jul easyJet
09 Jun - 23 Jul Fly Play direct
26 Jun - 02 Jul Fly Play
29 Jun - 06 Jul easyJet direct
28 Jun - 13 Jul Ryanair
29 Jun - 07 Jul Fly Play direct
28 Jun - 07 Jul Ryanair

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

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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