Cheapest return flights from Denver to Phoenix in January from 50€

AirHint found the following cheapest return flights from Denver (DEN) to Phoenix (PHX) in January 2026 (see full year).

Return flights

08 Jan - 11 Jan Frontier Airlines direct
16 Jan - 19 Jan Frontier Airlines direct
09 Jan - 16 Jan Frontier Airlines direct
31 Jan - 04 Feb Frontier Airlines direct
31 Jan - 02 Feb Frontier Airlines direct
01 Jan - 16 Jan Frontier Airlines direct
29 Jan - 04 Feb United direct

Also check the deals for one-way flights from Denver to Phoenix in January.

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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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