Cheapest return flights from Istanbul (IST) to Helsinki (HEL), October

20 dates in October, from $ 160. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
13 Oct 20 Oct Pegasus Airlines
23 Oct 27 Oct Pegasus Airlines
Direct Flight
29 Oct 3 Nov Pegasus Airlines
21 Oct 25 Oct Pegasus Airlines
Direct Flight
23 Oct 25 Oct Pegasus Airlines
Direct Flight
23 Oct 30 Oct Pegasus Airlines
Direct Flight
29 Oct 31 Oct Pegasus Airlines
21 Oct 26 Oct Pegasus Airlines
Direct Flight
22 Oct 25 Oct Pegasus Airlines
Direct Flight
10 Oct 19 Oct Pegasus Airlines
Direct Flight
29 Oct 3 Nov Pegasus Airlines
Direct Flight
24 Oct 30 Oct Pegasus Airlines
Direct Flight
29 Oct 1 Nov Pegasus Airlines
15 Oct 4 Nov Pegasus Airlines
28 Oct 1 Nov Pegasus Airlines
15 Oct 28 Nov Pegasus Airlines
29 Oct 1 Nov Pegasus Airlines
Direct Flight
28 Oct 1 Nov Pegasus Airlines
Direct Flight
15 Oct 4 Nov Pegasus Airlines
Direct Flight
15 Oct 28 Nov Turkish Airlines
Direct Flight
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Deals for one-way flights from Istanbul to Helsinki in October.

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Updated Oct 9, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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