AirHint found the following cheapest return flights from Boston (BOS) to Cancun (CUN)
in May 2025 (see full year ).
Return flights
19 May
- 23 May
Spirit Airlines
$ 239
18 May
- 21 May
Spirit Airlines
$ 263
18 May
- 24 May
Spirit Airlines
$ 279
20 May
- 24 May
Spirit Airlines
$ 282
12 May
- 16 May
Spirit Airlines
$ 288
20 May
- 30 May
Aeromexico
$ 290
direct
20 May
- 29 May
Spirit Airlines
$ 291
30 May
- 06 Jun
jetBlue
$ 293
17 May
- 21 May
Aeromexico
$ 294
29 May
- 05 Jun
Spirit Airlines
$ 299
23 May
- 30 May
Spirit Airlines
$ 302
13 May
- 20 May
Spirit Airlines
$ 305
30 May
- 04 Jun
jetBlue
$ 316
direct
30 May
- 03 Jun
jetBlue
$ 316
direct
30 May
- 06 Jun
Delta
$ 316
direct
29 May
- 02 Jun
Spirit Airlines
$ 319
30 May
- 02 Jun
Spirit Airlines
$ 321
25 May
- 01 Jun
Spirit Airlines
$ 337
29 May
- 01 Jun
Spirit Airlines
$ 355
16 May
- 01 Jun
Spirit Airlines
$ 397
Also check the deals for one-way flights from Boston to Cancun in May .
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.