AirHint found the following cheapest return flights from Helsinki (HEL) to Istanbul (IST)
in May 2025 (see full year ).
Return flights
06 May
- 08 May
Pegasus Airlines
$ 166
direct
08 May
- 16 May
Pegasus Airlines
$ 197
direct
05 May
- 26 May
Pegasus Airlines
$ 200
direct
12 May
- 29 May
Ryanair
$ 200
05 May
- 27 May
Pegasus Airlines
$ 215
direct
12 May
- 19 May
Ryanair
$ 224
28 May
- 30 May
Ryanair
$ 225
12 May
- 21 May
Norwegian Air Sweden AOC
$ 229
06 May
- 11 May
Pegasus Airlines
$ 234
15 May
- 19 May
Pegasus Airlines
$ 234
direct
31 May
- 09 Jun
airBaltic
$ 245
16 May
- 02 Jun
Norwegian Air Sweden AOC
$ 252
27 May
- 03 Jun
Ryanair
$ 269
30 May
- 01 Jun
airBaltic
$ 271
26 May
- 01 Jun
airBaltic
$ 271
28 May
- 07 Jun
Norwegian
$ 271
28 May
- 08 Jun
airBaltic
$ 271
29 May
- 08 Jun
airBaltic
$ 271
30 May
- 08 Jun
airBaltic
$ 271
31 May
- 08 Jun
airBaltic
$ 271
Also check the deals for one-way flights from Helsinki to Istanbul 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.