AirHint found the following cheapest return flights from Newark (EWR) to Cancun (CUN) in December 2025 (see full year).

Return flights

06 Dec - 10 Dec	United
05 Dec - 10 Dec	United
02 Dec - 06 Dec	United
04 Dec - 09 Dec	United
06 Dec - 09 Dec	United
03 Dec - 17 Dec	Spirit Airlines
06 Dec - 17 Dec	Spirit Airlines
03 Dec - 10 Dec	Spirit Airlines
12 Dec - 21 Dec	jetBlue	direct
31 Dec - 07 Jan	jetBlue
03 Dec - 07 Dec	Spirit Airlines
31 Dec - 06 Jan	jetBlue
31 Dec - 14 Jan	Spirit Airlines
31 Dec - 21 Jan	Spirit Airlines
31 Dec - 13 Jan	Spirit Airlines
30 Dec - 14 Jan	Spirit Airlines
29 Dec - 14 Jan	Spirit Airlines
30 Dec - 13 Jan	Spirit Airlines
20 Dec - 21 Jan	jetBlue
31 Dec - 17 Jan	Spirit Airlines

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

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 December from 243€

Return flights