Travel with Axel,
get the best price.

Buffalo → San Juan

Dec 14, 2026 · return Dec 16, 2026

BUF → SJU1 adulteconomyRound trip

7 flight options · 3 airlines

Nonstop flights

Mon, Dec 14 – Wed, Dec 16

JetBlue Airways
7:00 amBUF
4h 48m
Nonstop
12:48 pmSJU
JetBlue Airways
6:05 pmSJU
4h 42m
Nonstop
9:47 pmBUF

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 14 – Wed, Dec 16

American Airlines
3:41 pmBUF
7h 30m
PHL · 1h 48m
12:11 am+1SJU
American Airlines
7:05 amSJU
8h 52m
CLT · 3h
2:57 pmBUF

Round-trip total · 1 adult · Taxes included

Mon, Dec 14 – Wed, Dec 16

Delta Air Lines
3:20 pmBUF
7h 38m
JFK · 2h 2m
11:58 pmSJU
Southwest Airlines
5:35 amSJU
8h 25m
MCO · 2h 25m
1:00 pmBUF

Round-trip total · 1 adult · Taxes included

Mon, Dec 14 – Wed, Dec 16

JetBlue Airways
10:50 amBUF
7h 37m
BOS · 2h 8m
7:27 pmSJU
JetBlue Airways
6:05 pmSJU
4h 42m
Nonstop
9:47 pmBUF

Round-trip total · 1 adult · Taxes included

Mon, Dec 14 – Wed, Dec 16

JetBlue Airways
7:35 amBUF
7h 34m
FLL · 1h 48m
4:09 pmSJU
JetBlue Airways
6:05 pmSJU
4h 42m
Nonstop
9:47 pmBUF

Round-trip total · 1 adult · Taxes included

Mon, Dec 14 – Wed, Dec 16

JetBlue Airways
10:25 amBUF
6h 59m
JFK · 1h 36m
6:24 pmSJU
JetBlue Airways
6:05 pmSJU
4h 42m
Nonstop
9:47 pmBUF

Round-trip total · 1 adult · Taxes included

Mon, Dec 14 – Wed, Dec 16

American Airlines
12:50 pmBUF
7h 23m
CLT · 1h 41m
9:13 pmSJU
American Airlines
7:05 amSJU
8h 52m
CLT · 3h
2:57 pmBUF

Round-trip total · 1 adult · Taxes included

Make this trip yours

BUF ⇄ SJU

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

No account needed to see prices.

Already have an account? Log in

Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, JetBlue Airways emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

More dates

All dates for this routeNov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-14 → 2026-12-16JetBlue AirwaysB6635 / B6634$440.002026-10-29T00:54:30Z
2026-12-14 → 2026-12-16American AirlinesAA5866 + AA507 / AA3324 + AA3962$430.002026-10-29T00:54:30Z
2026-12-14 → 2026-12-16Delta Air Lines / Southwest AirlinesDL5296 + DL1859 / WN4666 + WN2448$432.502026-10-29T00:54:30Z
2026-12-14 → 2026-12-16JetBlue AirwaysB6716 + B6161 / B6634$422.502026-10-29T00:54:30Z
2026-12-14 → 2026-12-16JetBlue AirwaysB6865 + B61453 / B6634$422.502026-10-29T00:54:30Z
2026-12-14 → 2026-12-16JetBlue AirwaysB62901 + B6503 / B6634$422.502026-10-29T00:54:30Z
2026-12-14 → 2026-12-16American AirlinesAA1203 + AA2098 / AA3324 + AA3962$430.002026-10-29T00:54:30Z

2026-12-14 → 2026-12-16 · $440.00

  • JetBlue Airways B6635: BUF 2026-12-14 07:00:00 → SJU 2026-12-14 12:48:00; nonstop; 288 minutes. Local airport times.
  • JetBlue Airways B6634: SJU 2026-12-16 18:05:00 → BUF 2026-12-16 21:47:00; nonstop; 282 minutes. Local airport times.

2026-12-14 → 2026-12-16 · $430.00

  • American Airlines AA5866 / AA507: BUF 2026-12-14 15:41:00 → SJU 2026-12-15 00:11:00; 1 stop(s) via PHL; 450 minutes. Local airport times.
    • AA5866: BUF 2026-12-14 15:41:00 → PHL 2026-12-14 17:17:00; layover at PHL: 108 minutes.
    • AA507: PHL 2026-12-14 19:05:00 → SJU 2026-12-15 00:11:00.
  • American Airlines AA3324 / AA3962: SJU 2026-12-16 07:05:00 → BUF 2026-12-16 14:57:00; 1 stop(s) via CLT; 532 minutes. Local airport times.
    • AA3324: SJU 2026-12-16 07:05:00 → CLT 2026-12-16 10:05:00; layover at CLT: 180 minutes.
    • AA3962: CLT 2026-12-16 13:05:00 → BUF 2026-12-16 14:57:00.

2026-12-14 → 2026-12-16 · $432.50

  • Delta Air Lines DL5296 / DL1859: BUF 2026-12-14 15:20:00 → SJU 2026-12-14 23:58:00; 1 stop(s) via JFK; 458 minutes. Local airport times.
    • DL5296: BUF 2026-12-14 15:20:00 → JFK 2026-12-14 16:53:00; layover at JFK: 122 minutes.
    • DL1859: JFK 2026-12-14 18:55:00 → SJU 2026-12-14 23:58:00.
  • Southwest Airlines WN4666 / WN2448: SJU 2026-12-16 05:35:00 → BUF 2026-12-16 13:00:00; 1 stop(s) via MCO; 505 minutes. Local airport times.
    • WN4666: SJU 2026-12-16 05:35:00 → MCO 2026-12-16 07:45:00; layover at MCO: 145 minutes.
    • WN2448: MCO 2026-12-16 10:10:00 → BUF 2026-12-16 13:00:00.

2026-12-14 → 2026-12-16 · $422.50

  • JetBlue Airways B6716 / B6161: BUF 2026-12-14 10:50:00 → SJU 2026-12-14 19:27:00; 1 stop(s) via BOS; 457 minutes. Local airport times.
    • B6716: BUF 2026-12-14 10:50:00 → BOS 2026-12-14 12:13:00; layover at BOS: 128 minutes.
    • B6161: BOS 2026-12-14 14:21:00 → SJU 2026-12-14 19:27:00.
  • JetBlue Airways B6634: SJU 2026-12-16 18:05:00 → BUF 2026-12-16 21:47:00; nonstop; 282 minutes. Local airport times.

2026-12-14 → 2026-12-16 · $422.50

  • JetBlue Airways B6865 / B61453: BUF 2026-12-14 07:35:00 → SJU 2026-12-14 16:09:00; 1 stop(s) via FLL; 454 minutes. Local airport times.
    • B6865: BUF 2026-12-14 07:35:00 → FLL 2026-12-14 10:42:00; layover at FLL: 108 minutes.
    • B61453: FLL 2026-12-14 12:30:00 → SJU 2026-12-14 16:09:00.
  • JetBlue Airways B6634: SJU 2026-12-16 18:05:00 → BUF 2026-12-16 21:47:00; nonstop; 282 minutes. Local airport times.

2026-12-14 → 2026-12-16 · $422.50

  • JetBlue Airways B62901 / B6503: BUF 2026-12-14 10:25:00 → SJU 2026-12-14 18:24:00; 1 stop(s) via JFK; 419 minutes. Local airport times.
    • B62901: BUF 2026-12-14 10:25:00 → JFK 2026-12-14 11:53:00; layover at JFK: 96 minutes.
    • B6503: JFK 2026-12-14 13:29:00 → SJU 2026-12-14 18:24:00.
  • JetBlue Airways B6634: SJU 2026-12-16 18:05:00 → BUF 2026-12-16 21:47:00; nonstop; 282 minutes. Local airport times.

2026-12-14 → 2026-12-16 · $430.00

  • American Airlines AA1203 / AA2098: BUF 2026-12-14 12:50:00 → SJU 2026-12-14 21:13:00; 1 stop(s) via CLT; 443 minutes. Local airport times.
    • AA1203: BUF 2026-12-14 12:50:00 → CLT 2026-12-14 14:54:00; layover at CLT: 101 minutes.
    • AA2098: CLT 2026-12-14 16:35:00 → SJU 2026-12-14 21:13:00.
  • American Airlines AA3324 / AA3962: SJU 2026-12-16 07:05:00 → BUF 2026-12-16 14:57:00; 1 stop(s) via CLT; 532 minutes. Local airport times.
    • AA3324: SJU 2026-12-16 07:05:00 → CLT 2026-12-16 10:05:00; layover at CLT: 180 minutes.
    • AA3962: CLT 2026-12-16 13:05:00 → BUF 2026-12-16 14:57:00.

More dates for this route