AirHint found the following cheapest return flights from Chicago (ORD) to Istanbul (IST)
in May 2025 (see full year ).
Return flights
06 May
- 13 May
Spirit Airlines
$ 669
20 May
- 03 Jun
Spirit Airlines
$ 722
01 May
- 12 May
Spirit Airlines
$ 730
12 May
- 20 May
Spirit Airlines
$ 733
28 May
- 04 Jun
Spirit Airlines
$ 743
08 May
- 20 May
Spirit Airlines
$ 750
17 May
- 20 May
Spirit Airlines
$ 750
10 May
- 17 May
Frontier Airlines
$ 753
16 May
- 20 May
Spirit Airlines
$ 764
08 May
- 17 May
Spirit Airlines
$ 768
11 May
- 21 May
Spirit Airlines
$ 777
15 May
- 20 May
Spirit Airlines
$ 779
31 May
- 07 Jun
Spirit Airlines
$ 824
21 May
- 04 Jun
Spirit Airlines
$ 828
28 May
- 06 Jun
Spirit Airlines
$ 830
22 May
- 12 Jun
Spirit Airlines
$ 837
18 May
- 19 Jun
Spirit Airlines
$ 860
28 May
- 18 Jun
Spirit Airlines
$ 862
25 May
- 14 Jun
Spirit Airlines
$ 862
31 May
- 20 Jun
Spirit Airlines
$ 874
Also check the deals for one-way flights from Chicago to Istanbul in May .
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.
