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

Return flights

03 Dec - 10 Dec	United
05 Dec - 12 Dec	United
03 Dec - 09 Dec	United
11 Dec - 18 Dec	United
03 Dec - 09 Dec	jetBlue	direct
14 Dec - 21 Dec	United	direct
31 Dec - 05 Jan	jetBlue
09 Dec - 26 Dec	United	direct
31 Dec - 10 Jan	United
12 Dec - 14 Dec	Air Canada
10 Dec - 13 Dec	Air Canada
28 Dec - 11 Jan	jetBlue	direct
17 Dec - 21 Dec	United
30 Dec - 04 Jan	Frontier Airlines
12 Dec - 01 Jan	United
28 Dec - 04 Jan	jetBlue
23 Dec - 01 Jan	Porter Airlines (Canada) Ltd
30 Dec - 04 Jan	United	direct
29 Dec - 02 Jan	United	direct
20 Dec - 03 Jan	Porter Airlines (Canada) Ltd

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 265€

Return flights