Cheapest return PHX–CUN flights, May

AirHint found the following cheapest return flights from Phoenix (PHX) to Cancun (CUN) in May 2026 (see full year).

Return flights

15 May - 24 May Frontier Airlines
26 May - 31 May Frontier Airlines
16 May - 21 May Frontier Airlines
01 May - 16 May Frontier Airlines
14 May - 18 May Frontier Airlines
18 May - 22 May Frontier Airlines
04 May - 18 May Frontier Airlines
30 May - 03 Jun Frontier Airlines
30 May - 02 Jun Frontier Airlines
17 May - 24 May Frontier Airlines
14 May - 19 May Frontier Airlines
28 May - 31 May Frontier Airlines
28 May - 04 Jun Frontier Airlines
28 May - 02 Jun Frontier Airlines

Also check the deals for one-way flights from Phoenix to Cancun in May.

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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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