Cheapest one-way flights from Boston to Cancun in December from $135

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

One-Way flights

03 Dec Spirit Airlines
30 Dec United
15 Dec Delta direct
03 Dec jetBlue direct
31 Dec Spirit Airlines
13 Dec Spirit Airlines
24 Dec jetBlue
19 Dec Delta direct
27 Dec Sun Country Airlines
26 Dec Frontier Airlines

Also check the deals for return 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.

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