Cheapest one-way flights from Boston to Cancun in December from 103€

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

One-Way flights

06 Dec Spirit Airlines
10 Dec Spirit Airlines
03 Dec Spirit Airlines
08 Dec Spirit Airlines
05 Dec United
12 Dec Southwest Airlines
14 Dec Southwest Airlines
16 Dec Southwest Airlines
31 Dec United
11 Dec United

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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