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

Return flights

03 Jun - 09 Jun	Scandinavian Airlines
03 Jun - 10 Jun	Scandinavian Airlines
16 Jun - 19 Jun	Scandinavian Airlines
09 Jun - 12 Jun	Scandinavian Airlines
12 Jun - 13 Jun	Finnair	direct
19 Jun - 20 Jun	Finnair	direct
09 Jun - 12 Jun	Finnair	direct
03 Jun - 10 Jun	Finnair	direct
05 Jun - 12 Jun	Finnair	direct
16 Jun - 19 Jun	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 176€

Return flights