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Boston → San Juan

Dec 21, 2026 · return Jan 4, 2027

BOS → SJU1 adulteconomyRound trip

10 flight options · 4 airlines

Nonstop flights

Mon, Dec 21 – Mon, Jan 4

Frontier Airlines
10:25 amBOS
4h 5m
Nonstop
3:30 pmSJU
Frontier Airlines
6:11 amSJU
4h 19m
Nonstop
9:30 amBOS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

JetBlue Airways
8:08 pmBOS
4h 5m
Nonstop
1:13 am+1SJU
JetBlue Airways
5:01 amSJU
4h 12m
Nonstop
8:13 amBOS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

Delta Air Lines
8:40 amBOS
4h 3m
Nonstop
1:43 pmSJU
Delta Air Lines
2:55 pmSJU
4h 16m
Nonstop
6:11 pmBOS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

JetBlue Airways
2:21 pmBOS
4h 6m
Nonstop
7:27 pmSJU
JetBlue Airways
5:01 amSJU
4h 12m
Nonstop
8:13 amBOS

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Mon, Jan 4

American Airlines
4:00 pmBOS
7h 11m
PHL · 1h 25m
12:11 am+1SJU
American Airlines
8:30 amSJU
8h 31m
PHL · 2h 51m
4:01 pmBOS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

JetBlue Airways
12:22 pmBOS
7h 2m
PUJ · 1h 58m
8:24 pmSJU
JetBlue Airways
5:01 amSJU
4h 12m
Nonstop
8:13 amBOS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

JetBlue Airways
8:00 amBOS
7h 22m
PHL · 1h 53m
4:22 pmSJU
JetBlue Airways
5:01 amSJU
4h 12m
Nonstop
8:13 amBOS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

JetBlue Airways
10:10 amBOS
7h 33m
STT · 2h 43m
6:43 pmSJU
JetBlue Airways
5:01 amSJU
4h 12m
Nonstop
8:13 amBOS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

Delta Air Lines
9:10 amBOS
6h 46m
JFK · 1h 27m
4:56 pmSJU
Delta Air Lines
2:55 pmSJU
4h 16m
Nonstop
6:11 pmBOS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

Delta Air Lines
8:35 amBOS
4h 7m
Nonstop
1:42 pmSJU
Delta Air Lines
4:00 amSJU
8h 13m
JFK · 2h 38m
11:13 amBOS

Round-trip total · 1 adult · Taxes included

Make this trip yours

BOS ⇄ SJU

Economy

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

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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)
2026-12-21 → 2027-01-04Frontier AirlinesF93001 / F93002$375.002026-10-29T00:52:49Z
2026-12-21 → 2027-01-04JetBlue AirwaysB6561 / B6162$615.002026-10-29T00:52:49Z
2026-12-21 → 2027-01-04Delta Air LinesDL1780 / DL1780$645.002026-10-29T00:52:49Z
2026-12-21 → 2027-01-04American AirlinesAA1198 + AA507 / AA508 + AA4599$555.002026-10-29T00:52:49Z
2026-12-21 → 2027-01-04JetBlue AirwaysB6161 / B6162$615.002026-10-29T00:52:49Z
2026-12-21 → 2027-01-04JetBlue AirwaysB6295 + B62932 / B6162$570.002026-10-29T00:52:49Z
2026-12-21 → 2027-01-04JetBlue AirwaysB61159 + B61047 / B6162$570.002026-10-29T00:52:49Z
2026-12-21 → 2027-01-04JetBlue AirwaysB6907 + B6435 / B6162$570.002026-10-29T00:52:49Z
2026-12-21 → 2027-01-04Delta Air LinesDL5720 + DL1961 / DL1780$607.502026-10-29T00:52:49Z
2026-12-21 → 2027-01-04Delta Air LinesDL1780 / DL1022 + DL5733$607.502026-10-29T00:52:49Z

2026-12-21 → 2027-01-04 · $375.00

  • Frontier Airlines F93001: BOS 2026-12-21 10:25:00 → SJU 2026-12-21 15:30:00; nonstop; 245 minutes. Local airport times.
  • Frontier Airlines F93002: SJU 2027-01-04 06:11:00 → BOS 2027-01-04 09:30:00; nonstop; 259 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $615.00

  • JetBlue Airways B6561: BOS 2026-12-21 20:08:00 → SJU 2026-12-22 01:13:00; nonstop; 245 minutes. Local airport times.
  • JetBlue Airways B6162: SJU 2027-01-04 05:01:00 → BOS 2027-01-04 08:13:00; nonstop; 252 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $645.00

  • Delta Air Lines DL1780: BOS 2026-12-21 08:40:00 → SJU 2026-12-21 13:43:00; nonstop; 243 minutes. Local airport times.
  • Delta Air Lines DL1780: SJU 2027-01-04 14:55:00 → BOS 2027-01-04 18:11:00; nonstop; 256 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $555.00

  • American Airlines AA1198 / AA507: BOS 2026-12-21 16:00:00 → SJU 2026-12-22 00:11:00; 1 stop(s) via PHL; 431 minutes. Local airport times.
    • AA1198: BOS 2026-12-21 16:00:00 → PHL 2026-12-21 17:40:00; layover at PHL: 85 minutes.
    • AA507: PHL 2026-12-21 19:05:00 → SJU 2026-12-22 00:11:00.
  • American Airlines AA508 / AA4599: SJU 2027-01-04 08:30:00 → BOS 2027-01-04 16:01:00; 1 stop(s) via PHL; 511 minutes. Local airport times.
    • AA508: SJU 2027-01-04 08:30:00 → PHL 2027-01-04 11:39:00; layover at PHL: 171 minutes.
    • AA4599: PHL 2027-01-04 14:30:00 → BOS 2027-01-04 16:01:00.

2026-12-21 → 2027-01-04 · $615.00

  • JetBlue Airways B6161: BOS 2026-12-21 14:21:00 → SJU 2026-12-21 19:27:00; nonstop; 246 minutes. Local airport times.
  • JetBlue Airways B6162: SJU 2027-01-04 05:01:00 → BOS 2027-01-04 08:13:00; nonstop; 252 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $570.00

  • JetBlue Airways B6295 / B62932: BOS 2026-12-21 12:22:00 → SJU 2026-12-21 20:24:00; 1 stop(s) via PUJ; 422 minutes. Local airport times.
    • B6295: BOS 2026-12-21 12:22:00 → PUJ 2026-12-21 17:32:00; layover at PUJ: 118 minutes.
    • B62932: PUJ 2026-12-21 19:30:00 → SJU 2026-12-21 20:24:00.
  • JetBlue Airways B6162: SJU 2027-01-04 05:01:00 → BOS 2027-01-04 08:13:00; nonstop; 252 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $570.00

  • JetBlue Airways B61159 / B61047: BOS 2026-12-21 08:00:00 → SJU 2026-12-21 16:22:00; 1 stop(s) via PHL; 442 minutes. Local airport times.
    • B61159: BOS 2026-12-21 08:00:00 → PHL 2026-12-21 09:37:00; layover at PHL: 113 minutes.
    • B61047: PHL 2026-12-21 11:30:00 → SJU 2026-12-21 16:22:00.
  • JetBlue Airways B6162: SJU 2027-01-04 05:01:00 → BOS 2027-01-04 08:13:00; nonstop; 252 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $570.00

  • JetBlue Airways B6907 / B6435: BOS 2026-12-21 10:10:00 → SJU 2026-12-21 18:43:00; 1 stop(s) via STT; 453 minutes. Local airport times.
    • B6907: BOS 2026-12-21 10:10:00 → STT 2026-12-21 15:16:00; layover at STT: 163 minutes.
    • B6435: STT 2026-12-21 17:59:00 → SJU 2026-12-21 18:43:00.
  • JetBlue Airways B6162: SJU 2027-01-04 05:01:00 → BOS 2027-01-04 08:13:00; nonstop; 252 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $607.50

  • Delta Air Lines DL5720 / DL1961: BOS 2026-12-21 09:10:00 → SJU 2026-12-21 16:56:00; 1 stop(s) via JFK; 406 minutes. Local airport times.
    • DL5720: BOS 2026-12-21 09:10:00 → JFK 2026-12-21 10:43:00; layover at JFK: 87 minutes.
    • DL1961: JFK 2026-12-21 12:10:00 → SJU 2026-12-21 16:56:00.
  • Delta Air Lines DL1780: SJU 2027-01-04 14:55:00 → BOS 2027-01-04 18:11:00; nonstop; 256 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $607.50

  • Delta Air Lines DL1780: BOS 2026-12-21 08:35:00 → SJU 2026-12-21 13:42:00; nonstop; 247 minutes. Local airport times.
  • Delta Air Lines DL1022 / DL5733: SJU 2027-01-04 04:00:00 → BOS 2027-01-04 11:13:00; 1 stop(s) via JFK; 493 minutes. Local airport times.
    • DL1022: SJU 2027-01-04 04:00:00 → JFK 2027-01-04 07:12:00; layover at JFK: 158 minutes.
    • DL5733: JFK 2027-01-04 09:50:00 → BOS 2027-01-04 11:13:00.

More dates for this route