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Boston → Santiago

Dec 21, 2026 · return Dec 27, 2026

BOS → STI1 adulteconomyRound trip

8 flight options · 3 airlines

Nonstop flights

Mon, Dec 21 – Sun, Dec 27

JetBlue Airways
11:59 pmBOS
3h 55m
Nonstop
4:54 am+1STI
JetBlue Airways
6:35 amSTI
4h 2m
Nonstop
9:37 amBOS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sun, Dec 27

JetBlue Airways
5:05 amBOS
3h 53m
Nonstop
9:58 amSTI
JetBlue Airways
6:35 amSTI
4h 2m
Nonstop
9:37 amBOS

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Sun, Dec 27

American Airlines
6:00 amBOS
8h 16m
PHL · 2h 57m
3:16 pmSTI
American Airlines
3:20 pmSTI
7h 34m
PHL · 2h 8m
9:54 pmBOS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sun, Dec 27

United Airlines
7:20 amBOS
6h 33m
EWR · 1h 16m
2:53 pmSTI
United Airlines
6:00 amSTI
7h 26m
EWR · 2h 4m
12:26 pmBOS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sun, Dec 27

American Airlines
7:38 amBOS
7h 37m
MIA · 1h 41m
4:15 pmSTI
American Airlines
3:20 pmSTI
7h 34m
PHL · 2h 8m
9:54 pmBOS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sun, Dec 27

JetBlue Airways
8:40 amBOS
8h 29m
SJU · 3h 5m
6:09 pmSTI
JetBlue Airways
6:35 amSTI
4h 2m
Nonstop
9:37 amBOS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sun, Dec 27

JetBlue Airways
6:09 pmBOS
7h 51m
JFK · 2h 43m
3:00 am+1STI
JetBlue Airways
6:35 amSTI
4h 2m
Nonstop
9:37 amBOS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sun, Dec 27

JetBlue Airways
4:48 pmBOS
7h 11m
FLL · 1h 30m
12:59 am+1STI
JetBlue Airways
6:35 amSTI
4h 2m
Nonstop
9:37 amBOS

Round-trip total · 1 adult · Taxes included

Make this trip yours

BOS ⇄ STI

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 → 2026-12-27JetBlue AirwaysB61323 / B61924$688.762026-10-29T00:52:52Z
2026-12-21 → 2026-12-27American AirlinesAA690 + AA2138 / AA2841 + AA1232$623.502026-10-29T00:52:52Z
2026-12-21 → 2026-12-27United AirlinesUA570 + UA1624 / UA240 + UA1669$645.262026-10-29T00:52:52Z
2026-12-21 → 2026-12-27JetBlue AirwaysB62023 / B61924$688.762026-10-29T00:52:52Z
2026-12-21 → 2026-12-27American AirlinesAA2980 + AA546 / AA2841 + AA1232$623.502026-10-29T00:52:52Z
2026-12-21 → 2026-12-27JetBlue AirwaysB6861 + B61607 / B61924$645.262026-10-29T00:52:52Z
2026-12-21 → 2026-12-27JetBlue AirwaysB6717 + B62637 / B61924$645.262026-10-29T00:52:52Z
2026-12-21 → 2026-12-27JetBlue AirwaysB61469 + B62449 / B61924$645.262026-10-29T00:52:52Z

2026-12-21 → 2026-12-27 · $688.76

  • JetBlue Airways B61323: BOS 2026-12-21 23:59:00 → STI 2026-12-22 04:54:00; nonstop; 235 minutes. Local airport times.
  • JetBlue Airways B61924: STI 2026-12-27 06:35:00 → BOS 2026-12-27 09:37:00; nonstop; 242 minutes. Local airport times.

2026-12-21 → 2026-12-27 · $623.50

  • American Airlines AA690 / AA2138: BOS 2026-12-21 06:00:00 → STI 2026-12-21 15:16:00; 1 stop(s) via PHL; 496 minutes. Local airport times.
    • AA690: BOS 2026-12-21 06:00:00 → PHL 2026-12-21 07:38:00; layover at PHL: 177 minutes.
    • AA2138: PHL 2026-12-21 10:35:00 → STI 2026-12-21 15:16:00.
  • American Airlines AA2841 / AA1232: STI 2026-12-27 15:20:00 → BOS 2026-12-27 21:54:00; 1 stop(s) via PHL; 454 minutes. Local airport times.
    • AA2841: STI 2026-12-27 15:20:00 → PHL 2026-12-27 18:19:00; layover at PHL: 128 minutes.
    • AA1232: PHL 2026-12-27 20:27:00 → BOS 2026-12-27 21:54:00.

2026-12-21 → 2026-12-27 · $645.26

  • United Airlines UA570 / UA1624: BOS 2026-12-21 07:20:00 → STI 2026-12-21 14:53:00; 1 stop(s) via EWR; 393 minutes. Local airport times.
    • UA570: BOS 2026-12-21 07:20:00 → EWR 2026-12-21 08:48:00; layover at EWR: 76 minutes.
    • UA1624: EWR 2026-12-21 10:04:00 → STI 2026-12-21 14:53:00.
  • United Airlines UA240 / UA1669: STI 2026-12-27 06:00:00 → BOS 2026-12-27 12:26:00; 1 stop(s) via EWR; 446 minutes. Local airport times.
    • UA240: STI 2026-12-27 06:00:00 → EWR 2026-12-27 09:05:00; layover at EWR: 124 minutes.
    • UA1669: EWR 2026-12-27 11:09:00 → BOS 2026-12-27 12:26:00.

2026-12-21 → 2026-12-27 · $688.76

  • JetBlue Airways B62023: BOS 2026-12-21 05:05:00 → STI 2026-12-21 09:58:00; nonstop; 233 minutes. Local airport times.
  • JetBlue Airways B61924: STI 2026-12-27 06:35:00 → BOS 2026-12-27 09:37:00; nonstop; 242 minutes. Local airport times.

2026-12-21 → 2026-12-27 · $623.50

  • American Airlines AA2980 / AA546: BOS 2026-12-21 07:38:00 → STI 2026-12-21 16:15:00; 1 stop(s) via MIA; 457 minutes. Local airport times.
    • AA2980: BOS 2026-12-21 07:38:00 → MIA 2026-12-21 11:20:00; layover at MIA: 101 minutes.
    • AA546: MIA 2026-12-21 13:01:00 → STI 2026-12-21 16:15:00.
  • American Airlines AA2841 / AA1232: STI 2026-12-27 15:20:00 → BOS 2026-12-27 21:54:00; 1 stop(s) via PHL; 454 minutes. Local airport times.
    • AA2841: STI 2026-12-27 15:20:00 → PHL 2026-12-27 18:19:00; layover at PHL: 128 minutes.
    • AA1232: PHL 2026-12-27 20:27:00 → BOS 2026-12-27 21:54:00.

2026-12-21 → 2026-12-27 · $645.26

  • JetBlue Airways B6861 / B61607: BOS 2026-12-21 08:40:00 → STI 2026-12-21 18:09:00; 1 stop(s) via SJU; 509 minutes. Local airport times.
    • B6861: BOS 2026-12-21 08:40:00 → SJU 2026-12-21 13:48:00; layover at SJU: 185 minutes.
    • B61607: SJU 2026-12-21 16:53:00 → STI 2026-12-21 18:09:00.
  • JetBlue Airways B61924: STI 2026-12-27 06:35:00 → BOS 2026-12-27 09:37:00; nonstop; 242 minutes. Local airport times.

2026-12-21 → 2026-12-27 · $645.26

  • JetBlue Airways B6717 / B62637: BOS 2026-12-21 18:09:00 → STI 2026-12-22 03:00:00; 1 stop(s) via JFK; 471 minutes. Local airport times.
    • B6717: BOS 2026-12-21 18:09:00 → JFK 2026-12-21 19:32:00; layover at JFK: 163 minutes.
    • B62637: JFK 2026-12-21 22:15:00 → STI 2026-12-22 03:00:00.
  • JetBlue Airways B61924: STI 2026-12-27 06:35:00 → BOS 2026-12-27 09:37:00; nonstop; 242 minutes. Local airport times.

2026-12-21 → 2026-12-27 · $645.26

  • JetBlue Airways B61469 / B62449: BOS 2026-12-21 16:48:00 → STI 2026-12-22 00:59:00; 1 stop(s) via FLL; 431 minutes. Local airport times.
    • B61469: BOS 2026-12-21 16:48:00 → FLL 2026-12-21 20:27:00; layover at FLL: 90 minutes.
    • B62449: FLL 2026-12-21 21:57:00 → STI 2026-12-22 00:59:00.
  • JetBlue Airways B61924: STI 2026-12-27 06:35:00 → BOS 2026-12-27 09:37:00; nonstop; 242 minutes. Local airport times.

More dates for this route