Cheapest return flights from Helsinki to London in September from $100

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

Return flights

16 Sep - 30 Sep Ryanair direct
16 Sep - 23 Sep Ryanair direct
09 Sep - 16 Sep Ryanair direct
09 Sep - 30 Sep Ryanair direct
09 Sep - 23 Sep Ryanair direct
13 Sep - 30 Sep Ryanair direct
13 Sep - 16 Sep Ryanair direct
13 Sep - 23 Sep Ryanair direct
16 Sep - 25 Sep Ryanair direct
16 Sep - 22 Sep Ryanair direct
16 Sep - 02 Oct Ryanair direct
13 Sep - 02 Oct Ryanair direct
28 Sep - 02 Oct Ryanair direct
12 Sep - 02 Oct Ryanair direct
17 Sep - 02 Oct Ryanair direct
24 Sep - 02 Oct Ryanair direct
28 Sep - 13 Oct Ryanair direct
28 Sep - 14 Oct Ryanair direct
24 Sep - 13 Oct Ryanair direct
28 Sep - 10 Oct Ryanair direct

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

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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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