Boston (BOS) to Cancun (CUN), Dec 18–20, 2026: from $215 one way

Boston (BOS) to Cancun (CUN), Dec 18–20, 2026: from $215 one way on Axel, checked Oct 29, 2026. Lowest published fare: $215 one way, Axel-exclusive, American Airlines, 1 stop, Dec 18, 2026, 1 adult, economy, checked Oct 29, 2026. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

See flights for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the complete itinerary there.

Route overview: Boston to Cancun (CUN) flight deals

2026-12-18 · one way · Axel-exclusive $235.00

• JetBlue Airways B6671: BOS 2026-12-18 11:21:00 → CUN 2026-12-18 16:05:00; nonstop; 284 minutes. Local airport times.

2026-12-18 · one way · Axel-exclusive $245.00

• American Airlines AA1298: BOS 2026-12-18 09:01:00 → CUN 2026-12-18 13:51:00; nonstop; 290 minutes. Local airport times.

2026-12-18 · one way · Axel-exclusive $255.00

• Delta Air Lines DL627: BOS 2026-12-18 08:45:00 → CUN 2026-12-18 13:37:00; nonstop; 292 minutes. Local airport times.

2026-12-18 · one way · Axel-exclusive $215.00

• Southwest Airlines WN819 / WN1985: BOS 2026-12-18 05:35:00 → CUN 2026-12-18 13:25:00; 1 stop(s) via STL; 470 minutes. Local airport times.
  • WN819: BOS 2026-12-18 05:35:00 → STL 2026-12-18 07:40:00; layover at STL: 100 minutes.
  • WN1985: STL 2026-12-18 09:20:00 → CUN 2026-12-18 13:25:00.

2026-12-18 · one way · Axel-exclusive $220.00

• United Airlines UA2098 / UA1618: BOS 2026-12-18 09:30:00 → CUN 2026-12-18 16:55:00; 1 stop(s) via IAD; 445 minutes. Local airport times.
  • UA2098: BOS 2026-12-18 09:30:00 → IAD 2026-12-18 11:15:00; layover at IAD: 106 minutes.
  • UA1618: IAD 2026-12-18 13:01:00 → CUN 2026-12-18 16:55:00.

2026-12-18 · one way · Axel-exclusive $225.00

• Air Canada AC8605 / AC1882: BOS 2026-12-18 10:25:00 → CUN 2026-12-18 18:00:00; 1 stop(s) via YUL; 455 minutes. Local airport times.
  • AC8605: BOS 2026-12-18 10:25:00 → YUL 2026-12-18 11:50:00; layover at YUL: 80 minutes.
  • AC1882: YUL 2026-12-18 13:10:00 → CUN 2026-12-18 18:00:00.

2026-12-20 · one way · Axel-exclusive $340.75

• JetBlue Airways B6171: BOS 2026-12-20 06:30:00 → CUN 2026-12-20 11:10:00; nonstop; 280 minutes. Local airport times.

2026-12-19 · one way · Axel-exclusive $340.75

• JetBlue Airways B6671: BOS 2026-12-19 11:21:00 → CUN 2026-12-19 16:05:00; nonstop; 284 minutes. Local airport times.

2026-12-19 · one way · Axel-exclusive $355.25

• American Airlines AA1298: BOS 2026-12-19 09:01:00 → CUN 2026-12-19 13:51:00; nonstop; 290 minutes. Local airport times.

2026-12-20 · one way · Axel-exclusive $355.25

• American Airlines AA1298: BOS 2026-12-20 09:01:00 → CUN 2026-12-20 13:51:00; nonstop; 290 minutes. Local airport times.

2026-12-19 · one way · Axel-exclusive $369.75

• Delta Air Lines DL2545: BOS 2026-12-19 10:41:00 → CUN 2026-12-19 15:30:00; nonstop; 289 minutes. Local airport times.

2026-12-20 · one way · Axel-exclusive $369.75

• Delta Air Lines DL627: BOS 2026-12-20 08:45:00 → CUN 2026-12-20 13:35:00; nonstop; 290 minutes. Local airport times.

2026-12-18 · one way · Axel-exclusive $215.00

• American Airlines AA1249 / AA895: BOS 2026-12-18 05:00:00 → CUN 2026-12-18 12:29:00; 1 stop(s) via CLT; 449 minutes. Local airport times.
  • AA1249: BOS 2026-12-18 05:00:00 → CLT 2026-12-18 07:34:00; layover at CLT: 106 minutes.
  • AA895: CLT 2026-12-18 09:20:00 → CUN 2026-12-18 12:29:00.

2026-12-18 · one way · Axel-exclusive $220.00

• United Airlines UA1833 / UA1050: BOS 2026-12-18 06:00:00 → CUN 2026-12-18 13:57:00; 1 stop(s) via EWR; 477 minutes. Local airport times.
  • UA1833: BOS 2026-12-18 06:00:00 → EWR 2026-12-18 07:28:00; layover at EWR: 125 minutes.
  • UA1050: EWR 2026-12-18 09:33:00 → CUN 2026-12-18 13:57:00.

2026-12-18 · one way · Axel-exclusive $225.00

• Delta Air Lines DL923 / DL592: BOS 2026-12-18 08:00:00 → CUN 2026-12-18 15:07:00; 1 stop(s) via ATL; 427 minutes. Local airport times.
  • DL923: BOS 2026-12-18 08:00:00 → ATL 2026-12-18 10:57:00; layover at ATL: 81 minutes.
  • DL592: ATL 2026-12-18 12:18:00 → CUN 2026-12-18 15:07:00.

2026-12-20 · one way · Axel-exclusive $311.75

• Southwest Airlines WN819 / WN1985: BOS 2026-12-20 05:35:00 → CUN 2026-12-20 13:25:00; 1 stop(s) via STL; 470 minutes. Local airport times.
  • WN819: BOS 2026-12-20 05:35:00 → STL 2026-12-20 07:40:00; layover at STL: 100 minutes.
  • WN1985: STL 2026-12-20 09:20:00 → CUN 2026-12-20 13:25:00.

2026-12-20 · one way · Axel-exclusive $311.75

• American Airlines AA1249 / AA895: BOS 2026-12-20 05:00:00 → CUN 2026-12-20 12:29:00; 1 stop(s) via CLT; 449 minutes. Local airport times.
  • AA1249: BOS 2026-12-20 05:00:00 → CLT 2026-12-20 07:34:00; layover at CLT: 106 minutes.
  • AA895: CLT 2026-12-20 09:20:00 → CUN 2026-12-20 12:29:00.

2026-12-19 · one way · Axel-exclusive $311.75

• Southwest Airlines WN819 / WN1985: BOS 2026-12-19 05:35:00 → CUN 2026-12-19 13:25:00; 1 stop(s) via STL; 470 minutes. Local airport times.
  • WN819: BOS 2026-12-19 05:35:00 → STL 2026-12-19 07:40:00; layover at STL: 100 minutes.
  • WN1985: STL 2026-12-19 09:20:00 → CUN 2026-12-19 13:25:00.

2026-12-19 · one way · Axel-exclusive $311.75

• American Airlines AA1249 / AA895: BOS 2026-12-19 05:00:00 → CUN 2026-12-19 12:29:00; 1 stop(s) via CLT; 449 minutes. Local airport times.
  • AA1249: BOS 2026-12-19 05:00:00 → CLT 2026-12-19 07:34:00; layover at CLT: 106 minutes.
  • AA895: CLT 2026-12-19 09:20:00 → CUN 2026-12-19 12:29:00.

2026-12-20 · one way · Axel-exclusive $319.00

• United Airlines UA1833 / UA1050: BOS 2026-12-20 06:00:00 → CUN 2026-12-20 13:57:00; 1 stop(s) via EWR; 477 minutes. Local airport times.
  • UA1833: BOS 2026-12-20 06:00:00 → EWR 2026-12-20 07:28:00; layover at EWR: 125 minutes.
  • UA1050: EWR 2026-12-20 09:33:00 → CUN 2026-12-20 13:57:00.

2026-12-19 · one way · Axel-exclusive $319.00

• United Airlines UA1833 / UA1050: BOS 2026-12-19 06:00:00 → CUN 2026-12-19 13:57:00; 1 stop(s) via EWR; 477 minutes. Local airport times.
  • UA1833: BOS 2026-12-19 06:00:00 → EWR 2026-12-19 07:28:00; layover at EWR: 125 minutes.
  • UA1050: EWR 2026-12-19 09:33:00 → CUN 2026-12-19 13:57:00.

2026-12-20 · one way · Axel-exclusive $319.00

• United Airlines UA2098 / UA1618: BOS 2026-12-20 09:30:00 → CUN 2026-12-20 16:55:00; 1 stop(s) via IAD; 445 minutes. Local airport times.
  • UA2098: BOS 2026-12-20 09:30:00 → IAD 2026-12-20 11:15:00; layover at IAD: 106 minutes.
  • UA1618: IAD 2026-12-20 13:01:00 → CUN 2026-12-20 16:55:00.

2026-12-19 · one way · Axel-exclusive $319.00

• United Airlines UA2098 / UA1618: BOS 2026-12-19 09:30:00 → CUN 2026-12-19 16:55:00; 1 stop(s) via IAD; 445 minutes. Local airport times.
  • UA2098: BOS 2026-12-19 09:30:00 → IAD 2026-12-19 11:15:00; layover at IAD: 106 minutes.
  • UA1618: IAD 2026-12-19 13:01:00 → CUN 2026-12-19 16:55:00.

2026-12-20 · one way · Axel-exclusive $326.25

• Air Canada AC8605 / AC1882: BOS 2026-12-20 10:25:00 → CUN 2026-12-20 18:00:00; 1 stop(s) via YUL; 455 minutes. Local airport times.
  • AC8605: BOS 2026-12-20 10:25:00 → YUL 2026-12-20 11:50:00; layover at YUL: 80 minutes.
  • AC1882: YUL 2026-12-20 13:10:00 → CUN 2026-12-20 18:00:00.

2026-12-20 · one way · Axel-exclusive $326.25

• Delta Air Lines DL923 / DL592: BOS 2026-12-20 08:00:00 → CUN 2026-12-20 15:07:00; 1 stop(s) via ATL; 427 minutes. Local airport times.
  • DL923: BOS 2026-12-20 08:00:00 → ATL 2026-12-20 10:57:00; layover at ATL: 81 minutes.
  • DL592: ATL 2026-12-20 12:18:00 → CUN 2026-12-20 15:07:00.

2026-12-19 · one way · Axel-exclusive $326.25

• Delta Air Lines DL923 / DL592: BOS 2026-12-19 08:00:00 → CUN 2026-12-19 15:07:00; 1 stop(s) via ATL; 427 minutes. Local airport times.
  • DL923: BOS 2026-12-19 08:00:00 → ATL 2026-12-19 10:57:00; layover at ATL: 81 minutes.
  • DL592: ATL 2026-12-19 12:18:00 → CUN 2026-12-19 15:07:00.

2026-12-19 · one way · Axel-exclusive $326.25

• Air Canada AC8605 / AC1882: BOS 2026-12-19 10:25:00 → CUN 2026-12-19 18:00:00; 1 stop(s) via YUL; 455 minutes. Local airport times.
  • AC8605: BOS 2026-12-19 10:25:00 → YUL 2026-12-19 11:50:00; layover at YUL: 80 minutes.
  • AC1882: YUL 2026-12-19 13:10:00 → CUN 2026-12-19 18:00:00.

Travelers: prices on this page are totals for 1 adult. For a different party, open this trip for 2 adults · 3 adults · 4 adults · 2 adults + 1 child · 2 adults + 2 children; each link opens AI flight search for these dates and those travelers, and the customer link to share comes from those results.

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