Cheapest return flights from Chicago to Istanbul in October from 603€

AirHint found the following cheapest return flights from Chicago (ORD) to Istanbul (IST) in October 2026 (see full year).

Return flights

10 Oct - 19 Oct Air Serbia
21 Oct - 02 Nov KLM
09 Oct - 18 Oct Icelandair
23 Oct - 27 Oct KLM
23 Oct - 27 Oct Turkish Airlines direct
15 Oct - 24 Oct Scandinavian Airlines
10 Oct - 19 Oct Turkish Airlines direct
21 Oct - 02 Nov Turkish Airlines direct
09 Oct - 18 Oct Turkish Airlines direct

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

Powered by

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 Istanbul

Cheap car rent in Istanbul

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