Cheapest return flights from Oklahoma City to Denver in April from $56

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

Return flights

18 Apr - 21 Apr Frontier Airlines direct
15 Apr - 21 Apr Frontier Airlines direct
17 Apr - 21 Apr Frontier Airlines direct
20 Apr - 21 Apr Frontier Airlines direct
19 Apr - 21 Apr Frontier Airlines direct
16 Apr - 21 Apr Frontier Airlines direct
22 Apr - 26 Apr Frontier Airlines direct
22 Apr - 22 Apr Frontier Airlines
03 Apr - 05 Apr Frontier Airlines direct
21 Apr - 21 Apr United direct

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

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