Cheapest return flights from London to Keflavik in March from $119

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

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

Return flights

17 Mar - 24 Mar Fly Play direct
10 Mar - 24 Mar Fly Play direct
11 Mar - 25 Mar Fly Play direct
07 Mar - 15 Mar Fly Play direct
03 Mar - 08 Mar Fly Play direct
11 Mar - 22 Mar Fly Play direct
06 Mar - 09 Mar Fly Play direct
06 Mar - 08 Mar Fly Play direct
01 Mar - 02 Mar Fly Play direct
02 Mar - 08 Mar Fly Play direct
29 Mar - 08 Apr easyJet
27 Mar - 11 Apr Fly Play
31 Mar - 04 Apr easyJet
29 Mar - 04 Apr Jet2

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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