Cheapest return LHR–HEL flights, May

AirHint found the following cheapest return flights from London (LHR) to Helsinki (HEL) in May 2026 (see full year).

Return flights

25 May - 27 May Scandinavian Airlines
26 May - 28 May Scandinavian Airlines
27 May - 28 May Scandinavian Airlines
26 May - 27 May Scandinavian Airlines
28 May - 02 Jun Scandinavian Airlines
25 May - 28 May Scandinavian Airlines
25 May - 26 May Scandinavian Airlines
26 May - 02 Jun Scandinavian Airlines
27 May - 02 Jun Scandinavian Airlines
29 May - 02 Jun Scandinavian Airlines
28 May - 03 Jun Scandinavian Airlines
24 May - 27 May Scandinavian Airlines
22 May - 27 May Scandinavian Airlines
30 May - 04 Jun Scandinavian Airlines
31 May - 02 Jun Scandinavian Airlines
15 May - 25 May Scandinavian Airlines
29 May - 08 Jun Scandinavian Airlines
22 May - 24 May Scandinavian Airlines
30 May - 02 Jun Scandinavian Airlines
25 May - 01 Jun Scandinavian Airlines

Also check the deals for one-way flights from London to Helsinki in May.

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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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