Cheapest return OMA–DEN flights, May

AirHint found the following cheapest return flights from Omaha (OMA) to Denver (DEN) in May 2026 (see full year).

Return flights

30 May - 31 May Frontier Airlines direct
23 May - 25 May Frontier Airlines direct
22 May - 31 May Frontier Airlines direct
18 May - 20 May Frontier Airlines
18 May - 20 May Southwest Airlines direct
07 May - 10 May Frontier Airlines direct
08 May - 15 May Frontier Airlines direct
09 May - 11 May Southwest Airlines direct
06 May - 10 May Southwest Airlines direct

Also check the deals for one-way flights from Omaha to Denver in May.

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