Cheapest one-way flights from London to Keflavik in March from 73€

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

One-Way flights

08 Mar British Airways direct
31 Mar Scandinavian Airlines
04 Mar Scandinavian Airlines
12 Mar British Airways direct
04 Mar British Airways direct
19 Mar Scandinavian Airlines
28 Mar British Airways
27 Mar British Airways
23 Mar British Airways direct
19 Mar Icelandair direct

Also check the deals for return 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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