AirHint found the following cheapest return flights from Madison (MSN) to Denver (DEN) in May 2026 (see full year).
Return flights
| 29 May - 01 Jun | United | direct | |
| 28 May - 01 Jun | United | ||
| 29 May - 31 May | Delta | ||
| 29 May - 31 May | United | direct |
Also check the deals for one-way flights from Madison to Denver in May.
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