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

Return flights

09 Jun - 16 Jun	Lufthansa
03 Jun - 13 Jun	Lufthansa
11 Jun - 16 Jun	Lufthansa
04 Jun - 06 Jun	Scandinavian Airlines
24 Jun - 03 Jul	Lufthansa
15 Jun - 21 Jun	Finnair	direct
04 Jun - 07 Jun	Finnair	direct
19 Jun - 30 Jun	Lufthansa
06 Jun - 10 Jun	Finnair	direct
22 Jun - 28 Jun	Finnair	direct
10 Jun - 14 Jun	Finnair	direct
20 Jun - 12 Jul	Finnair	direct
22 Jun - 05 Jul	Lufthansa
22 Jun - 05 Jul	Finnair	direct
24 Jun - 03 Jul	Finnair	direct

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

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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Cheapest return flights from London to Helsinki in June from 167€

Return flights