Cheapest return flights from Istanbul to Helsinki in October from $272

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

Return flights

29 Oct - 30 Oct AJet
28 Oct - 02 Nov Pegasus Airlines
31 Oct - 03 Nov Pegasus Airlines
29 Oct - 02 Nov AJet
29 Oct - 02 Nov Pegasus Airlines direct
23 Oct - 30 Oct airBaltic
29 Oct - 30 Oct Pegasus Airlines direct
27 Oct - 30 Oct Pegasus Airlines
31 Oct - 03 Nov Pegasus Airlines direct
28 Oct - 08 Nov Pegasus Airlines direct
23 Oct - 27 Oct airBaltic
27 Oct - 28 Oct Pegasus Airlines
31 Oct - 31 Oct Pegasus Airlines
22 Oct - 29 Oct airBaltic
22 Oct - 27 Oct Pegasus Airlines
28 Oct - 02 Nov Pegasus Airlines direct
31 Oct - 31 Oct Pegasus Airlines direct
26 Oct - 02 Nov Pegasus Airlines
25 Oct - 01 Nov AJet
25 Oct - 01 Nov Pegasus Airlines direct

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

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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.

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