Cheapest return flights from London to Keflavik in May from 192€

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

Return flights

06 May - 13 May Ryanair
16 May - 23 May Ryanair
13 May - 17 May Ryanair
19 May - 28 May easyJet
18 May - 23 May easyJet
06 May - 10 May Ryanair
01 May - 08 May easyJet
20 May - 27 May Ryanair
02 May - 10 May Ryanair
20 May - 31 May Ryanair

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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