AirHint found the following cheapest return flights from London (LON) to Helsinki (HEL)
in August 2025 (see full year ).
Return flights
28 Aug
- 11 Sep
Ryanair
86 €
direct
28 Aug
- 14 Sep
Ryanair
90 €
direct
28 Aug
- 07 Sep
Ryanair
97 €
direct
27 Aug
- 11 Sep
Ryanair
98 €
direct
27 Aug
- 14 Sep
Ryanair
102 €
direct
28 Aug
- 26 Sep
Ryanair
104 €
direct
28 Aug
- 15 Sep
Ryanair
106 €
direct
27 Aug
- 07 Sep
Ryanair
109 €
direct
23 Aug
- 11 Sep
Ryanair
114 €
direct
28 Aug
- 05 Sep
Ryanair
116 €
direct
12 Aug
- 15 Aug
Norwegian Air Sweden AOC
122 €
22 Aug
- 26 Aug
airBaltic
131 €
27 Aug
- 31 Aug
Norwegian Air Sweden AOC
135 €
22 Aug
- 25 Aug
airBaltic
136 €
20 Aug
- 25 Aug
Norwegian Air Sweden AOC
137 €
14 Aug
- 17 Aug
Norwegian Air Sweden AOC
140 €
28 Aug
- 31 Aug
Ryanair
141 €
direct
14 Aug
- 18 Aug
airBaltic
145 €
08 Aug
- 13 Aug
Ryanair
150 €
direct
09 Aug
- 13 Aug
Ryanair
150 €
direct
Also check the deals for one-way flights from London to Helsinki in August .
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.