Cheapest return flights from London to Keflavik in March from 127€

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

Return flights

02 Mar - 08 Mar Icelandair direct
09 Mar - 14 Mar Icelandair direct
05 Mar - 10 Mar Icelandair direct
06 Mar - 11 Mar Icelandair direct
01 Mar - 08 Mar Icelandair direct
05 Mar - 11 Mar Icelandair direct
01 Mar - 05 Mar Icelandair direct
05 Mar - 14 Mar Icelandair direct
07 Mar - 14 Mar Icelandair direct
07 Mar - 11 Mar Icelandair direct
21 Mar - 01 Apr Scandinavian Airlines
31 Mar - 08 Apr Scandinavian Airlines
27 Mar - 01 Apr Vueling Airlines
31 Mar - 09 Apr Scandinavian Airlines
30 Mar - 07 Apr Scandinavian Airlines
30 Mar - 04 Apr Scandinavian Airlines
31 Mar - 01 Apr Scandinavian Airlines
27 Mar - 02 Apr Icelandair direct
27 Mar - 03 Apr Icelandair direct
30 Mar - 05 Apr Icelandair direct

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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