AirHint found the following cheapest return flights from Chicago (ORD) to Guatemala City (GUA) in September 2025 (see full year).

Return flights

04 Sep - 06 Sep	Spirit Airlines
16 Sep - 30 Sep	United
10 Sep - 20 Sep	United
18 Sep - 28 Sep	United
23 Sep - 02 Oct	United
24 Sep - 03 Oct	United
04 Sep - 20 Sep	Spirit Airlines
02 Sep - 06 Sep	Spirit Airlines
04 Sep - 12 Sep	Spirit Airlines
13 Sep - 29 Sep	Spirit Airlines
10 Sep - 29 Sep	Spirit Airlines
13 Sep - 27 Sep	Spirit Airlines
13 Sep - 01 Oct	Spirit Airlines
13 Sep - 03 Oct	Spirit Airlines
10 Sep - 01 Oct	Spirit Airlines
13 Sep - 02 Oct	Spirit Airlines
18 Sep - 01 Oct	Spirit Airlines
18 Sep - 03 Oct	Spirit Airlines
24 Sep - 01 Oct	Spirit Airlines
17 Sep - 01 Oct	Spirit Airlines

Also check the deals for one-way flights from Chicago to Guatemala City 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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Cheapest return flights from Chicago to Guatemala City in September from 158€

Return flights