Cheapest return flights from London to Helsinki in June from $286

Best time to book flights for London (LCY) to Helsinki (HEL) flights at AirHint

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

Return flights

13 Jun - 16 Jun KLM
11 Jun - 16 Jun KLM
06 Jun - 11 Jun Lufthansa
26 Jun - 02 Jul Lufthansa
26 Jun - 03 Jul Lufthansa
27 Jun - 09 Jul Lufthansa
27 Jun - 01 Jul Lufthansa
10 Jun - 16 Jun KLM
23 Jun - 15 Jul KLM
12 Jun - 25 Jun Lufthansa
04 Jun - 09 Jun KLM
06 Jun - 09 Jun KLM
19 Jun - 26 Jun Lufthansa
03 Jun - 10 Jun KLM
25 Jun - 07 Jul KLM
13 Jun - 22 Jun KLM
30 Jun - 05 Jul KLM
20 Jun - 12 Jul KLM
30 Jun - 03 Jul KLM
30 Jun - 02 Jul KLM

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

Skyscanner

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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