Cheapest return flights from London to Keflavik in March from 286€

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

Return flights

23 Mar - 26 Mar Icelandair direct
23 Mar - 15 Apr British Airways direct
21 Mar - 25 Mar Icelandair direct
22 Mar - 26 Mar Icelandair direct
20 Mar - 20 Mar British Airways direct
22 Mar - 25 Mar Icelandair direct
31 Mar - 04 Apr Austrian Airlines
24 Mar - 26 Mar Icelandair direct
31 Mar - 14 Apr Austrian Airlines
24 Mar - 27 Mar Icelandair direct
21 Mar - 27 Mar British Airways direct
23 Mar - 27 Mar Icelandair direct
20 Mar - 22 Mar Lufthansa
30 Mar - 04 Apr Austrian Airlines
26 Mar - 03 Apr Eurowings
28 Mar - 03 Apr Aer Lingus
26 Mar - 02 Apr Eurowings
26 Mar - 02 Apr British Airways direct
31 Mar - 03 Apr Austrian Airlines
30 Mar - 03 Apr Austrian Airlines

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

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