Cheapest return flights from Boston to Cancun in May from $260

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 May 2025 (see full year).

Return flights

12 May - 14 May Spirit Airlines
12 May - 15 May Spirit Airlines
14 May - 21 May Spirit Airlines
05 May - 08 May Spirit Airlines
18 May - 21 May Spirit Airlines
02 May - 14 May Spirit Airlines
05 May - 08 May Aeromexico direct
04 May - 07 May Spirit Airlines
26 May - 30 May Aeromexico direct
02 May - 06 May Spirit Airlines
30 May - 12 Jun Delta direct
30 May - 03 Jun Delta direct
29 May - 08 Jun Delta direct
28 May - 01 Jun Aeromexico
28 May - 01 Jun Aeromexico direct
30 May - 02 Jun Delta

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

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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