Cheapest return flights from London to Helsinki in July from $309

AirHint found the following cheapest return flights from London (LHR) to Helsinki (HEL) in July 2025 (see full year).

Return flights

31 Jul - 13 Aug Scandinavian Airlines
27 Jul - 06 Aug Scandinavian Airlines
27 Jul - 31 Jul Scandinavian Airlines
27 Jul - 30 Jul Scandinavian Airlines
28 Jul - 06 Aug Scandinavian Airlines
27 Jul - 14 Aug Scandinavian Airlines
27 Jul - 16 Aug Scandinavian Airlines
28 Jul - 07 Aug Scandinavian Airlines
29 Jul - 20 Aug Scandinavian Airlines
28 Jul - 12 Aug Scandinavian Airlines
28 Jul - 04 Aug Scandinavian Airlines
24 Jul - 05 Aug Lufthansa
29 Jul - 31 Jul Finnair
28 Jul - 30 Jul Scandinavian Airlines
28 Jul - 31 Jul Scandinavian Airlines
30 Jul - 31 Jul Scandinavian Airlines
27 Jul - 28 Jul Scandinavian Airlines
27 Jul - 29 Jul Scandinavian Airlines
24 Jul - 25 Jul Lufthansa
24 Jul - 31 Jul Lufthansa

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

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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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