Cheapest return flights from Boston to Cancun in January from $268

AirHint found the following cheapest return flights from Boston (BOS) to Cancun (CUN) in January 2026 (see full year).

Return flights

30 Jan - 06 Feb Frontier Airlines
31 Jan - 06 Feb Spirit Airlines
31 Jan - 10 Feb Spirit Airlines
31 Jan - 05 Feb Spirit Airlines
31 Jan - 11 Feb Spirit Airlines
30 Jan - 04 Feb Frontier Airlines
31 Jan - 12 Feb Spirit Airlines
31 Jan - 14 Feb Spirit Airlines
31 Jan - 04 Feb Spirit Airlines
31 Jan - 18 Feb Spirit Airlines
29 Jan - 31 Jan Frontier Airlines
25 Jan - 31 Jan Spirit Airlines
24 Jan - 31 Jan Air Canada
24 Jan - 29 Jan Air Canada
24 Jan - 28 Jan Spirit Airlines
23 Jan - 28 Jan Air Canada
23 Jan - 26 Jan Air Canada
25 Jan - 27 Jan Air Canada
25 Jan - 28 Jan Air Canada
28 Jan - 31 Jan Spirit Airlines

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

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