Cheapest return flights from London to Keflavik in March from 153€

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

Return flights

06 Mar - 11 Mar British Airways direct
06 Mar - 19 Mar British Airways direct
06 Mar - 20 Mar British Airways direct
06 Mar - 10 Mar British Airways direct
17 Mar - 17 Apr Icelandair direct
15 Mar - 21 Mar Icelandair direct
13 Mar - 17 Mar Icelandair direct
12 Mar - 17 Mar Icelandair direct
12 Mar - 16 Mar Icelandair direct
05 Mar - 09 Mar Icelandair direct
07 Mar - 11 Mar Icelandair direct
29 Mar - 19 Apr Icelandair direct
30 Mar - 08 Apr Scandinavian Airlines
26 Mar - 02 Apr Scandinavian Airlines
30 Mar - 05 Apr Icelandair direct
29 Mar - 07 Apr Icelandair direct
30 Mar - 08 Apr Icelandair direct
27 Mar - 02 Apr Vueling Airlines
28 Mar - 07 Apr British Airways
28 Mar - 06 Apr Scandinavian Airlines

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

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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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