Cheapest return flights from London to Keflavik in May from $102

AirHint found the following cheapest return flights from London (LON) to Keflavik (KEF) in May 2026 (see full year).

Return flights

03 May - 06 May easyJet direct
03 May - 13 May easyJet direct
06 May - 13 May easyJet direct
03 May - 20 May easyJet direct
06 May - 20 May easyJet direct
10 May - 13 May easyJet direct
13 May - 20 May easyJet direct
10 May - 20 May easyJet direct
31 May - 17 Jun easyJet direct
13 May - 03 Jun easyJet direct
27 May - 17 Jun easyJet direct
31 May - 03 Jun easyJet direct
03 May - 10 May easyJet direct
06 May - 10 May easyJet direct
20 May - 03 Jun easyJet direct
27 May - 03 Jun easyJet direct
31 May - 10 Jun easyJet direct
20 May - 10 Jun easyJet direct
17 May - 03 Jun easyJet direct
27 May - 10 Jun easyJet direct

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

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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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