Cheapest return flights from Istanbul to Helsinki in October from 111€

AirHint found the following cheapest return flights from Istanbul (IST) to Helsinki (HEL) in October 2025 (see full year).

Return flights

01 Oct - 29 Oct Pegasus Airlines
27 Oct - 31 Oct Pegasus Airlines
15 Oct - 23 Oct Pegasus Airlines direct
08 Oct - 19 Oct AJet
13 Oct - 20 Oct Pegasus Airlines
01 Oct - 08 Oct Pegasus Airlines
12 Oct - 20 Oct Pegasus Airlines direct
02 Oct - 05 Oct Pegasus Airlines direct
21 Oct - 30 Oct Pegasus Airlines
04 Oct - 08 Oct Pegasus Airlines
28 Oct - 02 Nov Pegasus Airlines
28 Oct - 08 Nov Pegasus Airlines direct
28 Oct - 02 Nov Pegasus Airlines direct
25 Oct - 02 Nov Fly One
24 Oct - 01 Nov Pegasus Airlines
25 Oct - 02 Nov Pegasus Airlines direct
24 Oct - 01 Nov Pegasus Airlines direct

Also check the deals for one-way flights from Istanbul to Helsinki in October.

Skyscanner

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.

Book a cheap hotel in Helsinki

Cheap car rent in Helsinki

Feel free to contact us with any feedback or request another flight research.