Cheapest return flights from Denver to Chicago in July from $108

AirHint found the following cheapest return flights from Denver (DEN) to Chicago (ORD) in July 2025 (see full year).

Return flights

26 Jul - 29 Jul Frontier Airlines direct
29 Jul - 05 Aug Frontier Airlines direct
23 Jul - 26 Aug Frontier Airlines direct
29 Jul - 31 Jul Frontier Airlines direct
23 Jul - 25 Aug Frontier Airlines direct
24 Jul - 29 Jul Frontier Airlines direct
22 Jul - 23 Jul Frontier Airlines direct
19 Jul - 23 Jul Frontier Airlines direct
19 Jul - 22 Jul Frontier Airlines direct
23 Jul - 27 Jul Frontier Airlines direct
29 Jul - 03 Aug Frontier Airlines direct
15 Jul - 22 Jul Frontier Airlines direct
21 Jul - 23 Jul Frontier Airlines direct
16 Jul - 30 Jul Frontier Airlines direct
31 Jul - 03 Aug Frontier Airlines direct
25 Jul - 03 Aug Frontier Airlines direct
12 Jul - 09 Aug Frontier Airlines direct
31 Jul - 04 Aug Frontier Airlines direct
24 Jul - 04 Aug American Airlines direct

Also check the deals for one-way flights from Denver to Chicago in July.

Skyscanner

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 Chicago

Cheap car rent in Chicago

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