Cheapest return flights from Chicago to Denver in April from 120€

AirHint found the following cheapest return flights from Chicago (ORD) to Denver (DEN) in April 2026 (see full year).

Return flights

28 Apr - 03 May Frontier Airlines
18 Apr - 21 Apr Frontier Airlines
13 Apr - 20 Apr Frontier Airlines
22 Apr - 26 Apr Frontier Airlines
15 Apr - 20 Apr Frontier Airlines
16 Apr - 21 Apr Frontier Airlines
16 Apr - 20 Apr Frontier Airlines
16 Apr - 19 Apr Frontier Airlines
17 Apr - 19 Apr Frontier Airlines
23 Apr - 26 Apr Frontier Airlines
15 Apr - 19 Apr Frontier Airlines
27 Apr - 04 May Frontier Airlines
30 Apr - 03 May Frontier Airlines
30 Apr - 04 May Frontier Airlines
30 Apr - 02 May Frontier Airlines
30 Apr - 10 May Frontier Airlines
28 Apr - 03 May United direct
27 Apr - 04 May United direct
30 Apr - 02 May United direct
30 Apr - 10 May United direct

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

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