Cheapest return flights from London to Keflavik in March from 473€

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

Return flights

31 Mar - 09 Apr KLM
31 Mar - 04 Apr KLM
31 Mar - 03 Apr KLM
31 Mar - 10 Apr KLM
25 Mar - 10 Apr KLM
29 Mar - 12 Apr KLM
25 Mar - 01 Apr British Airways
27 Mar - 31 Mar SWISS
26 Mar - 02 Apr KLM
31 Mar - 05 Apr KLM
26 Mar - 07 Apr KLM
25 Mar - 26 Mar British Airways
29 Mar - 31 Mar KLM
30 Mar - 31 Mar SWISS
26 Mar - 30 Mar KLM
25 Mar - 31 Mar British Airways
25 Mar - 30 Mar KLM
25 Mar - 29 Mar SWISS
26 Mar - 29 Mar KLM
29 Mar - 30 Mar KLM

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

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