AirHint found the following cheapest return flights from London (LHR) to Helsinki (HEL)
in May 2025 (see full year ).
Return flights
07 May
- 13 May
Scandinavian Airlines
146 €
07 May
- 16 May
Scandinavian Airlines
157 €
07 May
- 17 May
Scandinavian Airlines
157 €
07 May
- 14 May
Scandinavian Airlines
158 €
07 May
- 15 May
Scandinavian Airlines
158 €
28 May
- 03 Jun
Scandinavian Airlines
158 €
07 May
- 12 May
Scandinavian Airlines
160 €
28 May
- 31 May
Scandinavian Airlines
161 €
16 May
- 20 May
Scandinavian Airlines
161 €
07 May
- 10 May
Scandinavian Airlines
164 €
02 May
- 05 May
Scandinavian Airlines
165 €
30 May
- 02 Jun
Scandinavian Airlines
174 €
30 May
- 16 Jun
KLM
193 €
23 May
- 02 Jun
Scandinavian Airlines
217 €
30 May
- 02 Jun
Finnair
221 €
direct
28 May
- 03 Jun
Finnair
227 €
direct
30 May
- 16 Jun
Finnair
228 €
direct
23 May
- 02 Jun
Finnair
233 €
direct
25 May
- 05 Jun
KLM
233 €
25 May
- 05 Jun
Finnair
243 €
direct
Also check the deals for one-way flights from London to Helsinki in May .
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.