Cheapest return LON–HEL flights, May

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

Return flights

06 May - 26 May Ryanair direct
06 May - 19 May Ryanair
12 May - 19 May Ryanair
06 May - 19 May Ryanair direct
05 May - 07 May Ryanair
06 May - 24 May Ryanair direct
20 May - 24 May Wizz Air Malta
19 May - 24 May Ryanair
05 May - 06 May Ryanair
11 May - 19 May Ryanair
30 May - 16 Jun Ryanair direct
30 May - 09 Jun Ryanair direct
30 May - 10 Jun Ryanair direct
30 May - 03 Jun Ryanair
30 May - 02 Jun Ryanair direct
30 May - 06 Jun Ryanair
05 May - 06 Jun Ryanair
27 May - 01 Jun Wizz Air Malta
30 May - 15 Jun Ryanair
27 May - 04 Jun Wizz Air Malta

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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