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

Return flights

02 May - 08 May	United	direct
04 May - 14 May	United	direct
10 May - 15 May	United
01 May - 07 May	Aeromexico
15 May - 20 May	United	direct
14 May - 17 May	jetBlue	direct
01 May - 07 May	jetBlue	direct
12 May - 12 May	Aeromexico
10 May - 17 May	United
12 May - 12 May	United	direct
27 May - 03 Jun	Air Canada
28 May - 02 Jun	Air Canada

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

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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Cheapest return flights from Newark to Cancun in May from $320

Return flights