Cheapest return flights from Chicago to Istanbul in October from 494€
AirHint found the following cheapest return flights from Chicago (ORD) to Istanbul (IST)
in October 2025 (see full year ).
Return flights
06 Oct
- 16 Oct
Spirit Airlines
494 €
17 Oct
- 21 Oct
Icelandair
516 €
03 Oct
- 06 Oct
Spirit Airlines
531 €
04 Oct
- 11 Oct
Icelandair
546 €
01 Oct
- 12 Oct
Icelandair
547 €
04 Oct
- 06 Oct
Spirit Airlines
552 €
02 Oct
- 10 Oct
Spirit Airlines
558 €
30 Oct
- 06 Nov
Scandinavian Airlines
558 €
14 Oct
- 21 Oct
Icelandair
568 €
17 Oct
- 22 Oct
Icelandair
569 €
01 Oct
- 08 Oct
Icelandair
571 €
31 Oct
- 13 Nov
LOT
622 €
27 Oct
- 10 Nov
LOT
622 €
30 Oct
- 13 Nov
LOT
622 €
30 Oct
- 06 Nov
Turkish Airlines
629 €
direct
30 Oct
- 13 Nov
Turkish Airlines
629 €
direct
31 Oct
- 13 Nov
Turkish Airlines
646 €
direct
30 Oct
- 02 Nov
Air France
654 €
24 Oct
- 07 Nov
Turkish Airlines
663 €
direct
27 Oct
- 10 Nov
Turkish Airlines
663 €
direct
Also check the deals for one-way flights from Chicago to Istanbul in October .
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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