Cheapest return flights from London to Helsinki in August from $120

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

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

Return flights

28 Aug - 15 Sep Norwegian Air Sweden AOC direct
28 Aug - 10 Sep Norwegian Air Sweden AOC direct
28 Aug - 12 Sep Norwegian Air Sweden AOC direct
29 Aug - 15 Sep Norwegian Air Sweden AOC direct
27 Aug - 15 Sep Norwegian Air Sweden AOC direct
28 Aug - 08 Sep Norwegian Air Sweden AOC direct
28 Aug - 17 Sep Norwegian Air Sweden AOC direct
29 Aug - 10 Sep Norwegian Air Sweden AOC direct
29 Aug - 12 Sep Norwegian Air Sweden AOC direct
27 Aug - 10 Sep Norwegian Air Sweden AOC direct
25 Aug - 27 Aug Norwegian Air Sweden AOC direct
27 Aug - 28 Aug Norwegian Air Sweden AOC direct
25 Aug - 26 Aug Norwegian Air Sweden AOC
12 Aug - 19 Aug Norwegian Air Sweden AOC
28 Aug - 29 Aug Norwegian Air Sweden AOC direct
20 Aug - 27 Aug Norwegian Air Sweden AOC direct
25 Aug - 28 Aug Norwegian Air Sweden AOC direct
21 Aug - 27 Aug Norwegian Air Sweden AOC direct
20 Aug - 26 Aug Norwegian Air Sweden AOC
21 Aug - 26 Aug Norwegian Air Sweden AOC

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

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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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