Cheapest return flights from Boston to Cancun in December from $299

Best time to book flights for Boston (BOS) to Cancun (CUN) flights at AirHint

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

Return flights

07 Dec - 12 Dec Aeromexico direct
04 Dec - 12 Dec jetBlue direct
06 Dec - 13 Dec jetBlue
28 Dec - 05 Jan jetBlue direct
23 Dec - 30 Dec jetBlue
24 Dec - 01 Jan Aeromexico
25 Dec - 31 Dec jetBlue
20 Dec - 27 Dec jetBlue
26 Dec - 31 Dec jetBlue
28 Dec - 03 Jan jetBlue
20 Dec - 27 Dec jetBlue direct
25 Dec - 31 Dec jetBlue direct

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

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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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