Cheapest one-way flights from Denver to Phoenix in March from 25€

AirHint found the following cheapest one-way flights from Denver (DEN) to Phoenix (PHX) in March 2026 (see full year).

One-Way flights

04 Mar Frontier Airlines direct
02 Mar Frontier Airlines direct
03 Mar Frontier Airlines direct
01 Mar Frontier Airlines direct
08 Mar Frontier Airlines direct
17 Mar Frontier Airlines
17 Mar Frontier Airlines direct
18 Mar Frontier Airlines direct
19 Mar Frontier Airlines direct
28 Mar Frontier Airlines direct

Also check the deals for return flights from Denver to Phoenix in March.

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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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