AirHint found the following cheapest one-way flights from Oklahoma City (OKC) to Denver (DEN) in July 2025 (see full year).

One-Way flights

16 Jul	Frontier Airlines	direct
15 Jul	Frontier Airlines	direct
28 Jul	Frontier Airlines	direct
09 Jul	Frontier Airlines	direct
29 Jul	Frontier Airlines	direct
18 Jul	Frontier Airlines	direct
06 Jul	Frontier Airlines	direct
07 Jul	Frontier Airlines	direct
08 Jul	Frontier Airlines	direct
04 Jul	Frontier Airlines	direct

Also check the deals for return flights from Oklahoma City to Denver in July.

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 one-way flights from Oklahoma City to Denver in July from $44

One-Way flights