Cheapest return flights from London to Keflavik in March from 168€

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

Return flights

21 Mar - 26 Mar Icelandair direct
17 Mar - 20 Mar Icelandair direct
11 Mar - 26 Mar Icelandair direct
17 Mar - 27 Mar Icelandair direct
18 Mar - 27 Mar Icelandair direct
21 Mar - 27 Mar Icelandair direct
23 Mar - 26 Mar Icelandair direct
24 Mar - 27 Mar Icelandair direct
15 Mar - 20 Mar British Airways direct
11 Mar - 27 Mar Icelandair direct
23 Mar - 03 Apr Icelandair direct
17 Mar - 01 Apr Icelandair direct
24 Mar - 04 Apr Icelandair direct
27 Mar - 29 Apr Icelandair direct
18 Mar - 05 Apr Icelandair
25 Mar - 01 Apr Icelandair direct
27 Mar - 03 Apr Icelandair direct
30 Mar - 03 Apr Icelandair direct
30 Mar - 08 Apr Icelandair direct
31 Mar - 03 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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