Cheapest return flights from Chicago to Rome in September from $566
AirHint found the following cheapest return flights from Chicago (MDW) to Rome (FCO)
in September 2025 (see full year ).
Return flights
15 Sep
- 24 Sep
Frontier Airlines
$ 566
19 Sep
- 26 Sep
Frontier Airlines
$ 619
25 Sep
- 18 Oct
Frontier Airlines
$ 695
26 Sep
- 02 Oct
Frontier Airlines
$ 704
14 Sep
- 16 Sep
Frontier Airlines
$ 741
25 Sep
- 28 Sep
Frontier Airlines
$ 747
14 Sep
- 23 Sep
Frontier Airlines
$ 759
16 Sep
- 23 Sep
Delta
$ 765
15 Sep
- 23 Sep
Delta
$ 765
29 Sep
- 08 Oct
Air France
$ 765
15 Sep
- 15 Oct
Delta
$ 765
07 Sep
- 22 Sep
Frontier Airlines
$ 768
26 Sep
- 06 Oct
Frontier Airlines
$ 792
15 Sep
- 22 Sep
Frontier Airlines
$ 801
05 Sep
- 27 Sep
Frontier Airlines
$ 801
17 Sep
- 01 Oct
Delta
$ 815
21 Sep
- 11 Oct
Frontier Airlines
$ 820
08 Sep
- 04 Oct
Frontier Airlines
$ 844
15 Sep
- 06 Oct
Delta
$ 846
09 Sep
- 04 Oct
Frontier Airlines
$ 867
Also check the deals for one-way flights from Chicago to Rome in September .
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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