Cheapest one-way flights from London to Helsinki in March from $148

AirHint found the following cheapest one-way flights from London (LCY) to Helsinki (HEL) in March 2026 (see full year).

One-Way flights

25 Mar KLM
04 Mar KLM
31 Mar KLM
09 Mar KLM
12 Mar KLM
16 Mar KLM
17 Mar KLM
02 Mar KLM
03 Mar KLM
06 Mar KLM

Also check the deals for return flights from London to Helsinki in March.

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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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