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

Return flights

05 Nov - 09 Nov	Pegasus Airlines
06 Nov - 12 Nov	Pegasus Airlines
05 Nov - 09 Nov	Pegasus Airlines	direct
06 Nov - 12 Nov	Pegasus Airlines	direct
10 Nov - 17 Nov	KLM
09 Nov - 16 Nov	Pegasus Airlines
09 Nov - 14 Nov	Pegasus Airlines	direct
09 Nov - 16 Nov	Pegasus Airlines	direct
09 Nov - 13 Nov	Pegasus Airlines	direct
04 Nov - 11 Nov	Pegasus Airlines
26 Nov - 01 Dec	airBaltic
25 Nov - 08 Dec	AJet
25 Nov - 08 Dec	Pegasus Airlines	direct
26 Nov - 01 Dec	Pegasus Airlines	direct

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

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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Cheapest return flights from Istanbul to Helsinki in November from 118€

Return flights