Cheapest return flights from London to Keflavik in March from $141

Best time to book flights for London (LHR) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from London (LHR) to Keflavik (KEF) in March 2025 (see full year).

Return flights

04 Mar - 07 Mar British Airways direct
20 Mar - 23 Mar British Airways direct
10 Mar - 17 Mar British Airways direct
08 Mar - 11 Mar British Airways direct
16 Mar - 19 Mar British Airways direct
27 Mar - 31 Mar British Airways direct
12 Mar - 15 Mar British Airways direct
12 Mar - 17 Mar British Airways direct
25 Mar - 27 Mar British Airways direct
18 Mar - 01 Apr British Airways direct
17 Mar - 23 Mar British Airways direct
24 Mar - 07 Apr Scandinavian Airlines
19 Mar - 02 Apr Scandinavian Airlines
24 Mar - 07 Apr Icelandair direct
30 Mar - 03 Apr Scandinavian Airlines

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

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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