AirHint found the following cheapest return flights from London (LHR) to Helsinki (HEL)
in March 2025 (see full year ).
Return flights
28 Mar
- 01 Apr
Scandinavian Airlines
$ 178
21 Mar
- 28 Mar
Scandinavian Airlines
$ 182
20 Mar
- 23 Mar
Scandinavian Airlines
$ 184
28 Mar
- 31 Mar
Scandinavian Airlines
$ 185
24 Mar
- 05 Apr
Scandinavian Airlines
$ 189
26 Mar
- 28 Mar
Scandinavian Airlines
$ 190
25 Mar
- 28 Mar
Scandinavian Airlines
$ 190
20 Mar
- 24 Mar
Scandinavian Airlines
$ 190
27 Mar
- 28 Mar
Scandinavian Airlines
$ 190
24 Mar
- 25 Mar
Scandinavian Airlines
$ 190
27 Mar
- 31 Mar
Scandinavian Airlines
$ 190
27 Mar
- 01 Apr
Scandinavian Airlines
$ 190
20 Mar
- 25 Mar
Scandinavian Airlines
$ 191
31 Mar
- 05 Apr
Scandinavian Airlines
$ 191
27 Mar
- 02 Apr
Scandinavian Airlines
$ 191
24 Mar
- 08 Apr
Scandinavian Airlines
$ 191
28 Mar
- 02 Apr
Scandinavian Airlines
$ 191
31 Mar
- 01 Apr
Scandinavian Airlines
$ 193
31 Mar
- 02 Apr
Scandinavian Airlines
$ 193
31 Mar
- 07 Apr
Scandinavian Airlines
$ 193
Also check the deals for one-way flights from London to Helsinki in March .
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.