Cheapest return flights from Denver (DEN) to Oklahoma City (OKC), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
19 Sep 21 Sep Frontier Airlines
Direct Flight
19 Sep 26 Sep Frontier Airlines
Direct Flight
16 Sep 18 Sep Frontier Airlines
Direct Flight
24 Sep 27 Sep Frontier Airlines
Direct Flight
27 Sep 03 Oct Frontier Airlines
Direct Flight
19 Sep 20 Sep Frontier Airlines
19 Sep 20 Sep Frontier Airlines
Direct Flight
10 Sep 14 Sep Frontier Airlines
18 Sep 20 Sep Frontier Airlines
17 Sep 20 Sep Frontier Airlines
11 Sep 14 Sep Frontier Airlines
Direct Flight
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deals for one-way flights from Denver to Oklahoma City in September.

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Updated Aug 26, 2026.

About these fares

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