Cheapest return flights from Boston to Cancun in December from $316

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

14 Dec - 19 Dec jetBlue direct
17 Dec - 22 Dec jetBlue direct
02 Dec - 06 Dec jetBlue direct
10 Dec - 15 Dec jetBlue direct
17 Dec - 21 Dec jetBlue direct
26 Dec - 06 Jan Aeromexico
25 Dec - 30 Dec jetBlue
20 Dec - 27 Dec jetBlue
28 Dec - 03 Jan jetBlue
27 Dec - 03 Jan jetBlue
25 Dec - 30 Dec jetBlue direct
26 Dec - 06 Jan jetBlue direct
28 Dec - 03 Jan jetBlue direct
26 Dec - 02 Jan Aeromexico
20 Dec - 27 Dec Aeromexico direct
26 Dec - 02 Jan Aeromexico direct
27 Dec - 03 Jan Aeromexico direct

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

Skyscanner

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.

Book a cheap hotel in Cancun

Cheap car rent in Cancun