Travel with Axel,
get the best price.

Boston → Santiago

Dec 13, 2026 · return Dec 16, 2026

BOS → STI1 adulteconomyRound trip

8 flight options · 3 airlines

Nonstop flights

Sun, Dec 13 – Wed, Dec 16

JetBlue Airways
5:05 amBOS
3h 53m
Nonstop
9:58 amSTI
JetBlue Airways
7:00 amSTI
3h 59m
Nonstop
9:59 amBOS

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Wed, Dec 16

JetBlue Airways
11:55 pmBOS
3h 55m
Nonstop
4:50 am+1STI
JetBlue Airways
7:00 amSTI
3h 59m
Nonstop
9:59 amBOS

Round-trip total · 1 adult · Taxes included

One-stop flights

Sun, Dec 13 – Wed, Dec 16

American Airlines
6:00 amBOS
8h 16m
PHL · 2h 57m
3:16 pmSTI
American Airlines
4:58 pmSTI
8h 1m
MIA · 2h 12m
11:59 pmBOS

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Wed, Dec 16

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

Sun, Dec 13 – Wed, Dec 16

American Airlines
7:38 amBOS
7h 37m
MIA · 1h 41m
4:15 pmSTI
American Airlines
4:58 pmSTI
8h 1m
MIA · 2h 12m
11:59 pmBOS

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Wed, Dec 16

JetBlue Airways
11:59 pmBOS
3h 55m
Nonstop
4:54 am+1STI
JetBlue Airways
3:45 amSTI
8h 2m
JFK · 3h 2m
10:47 amBOS

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Wed, Dec 16

JetBlue Airways
4:48 pmBOS
7h 11m
FLL · 1h 30m
12:59 am+1STI
JetBlue Airways
7:00 amSTI
3h 59m
Nonstop
9:59 amBOS

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Wed, Dec 16

JetBlue Airways
6:09 pmBOS
7h 51m
JFK · 2h 43m
3:00 am+1STI
JetBlue Airways
7:00 amSTI
3h 59m
Nonstop
9:59 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.

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)
2026-12-13 → 2026-12-16JetBlue AirwaysB62023 / B61924$475.002026-10-29T00:52:52Z
2026-12-13 → 2026-12-16American AirlinesAA690 + AA2138 / AA862 + AA2818$430.002026-10-29T00:52:52Z
2026-12-13 → 2026-12-16United AirlinesUA570 + UA1624 / UA240 + UA1669$445.002026-10-29T00:52:52Z
2026-12-13 → 2026-12-16JetBlue AirwaysB61323 / B61924$475.002026-10-29T00:52:52Z
2026-12-13 → 2026-12-16American AirlinesAA2980 + AA546 / AA862 + AA2818$430.002026-10-29T00:52:52Z
2026-12-13 → 2026-12-16JetBlue AirwaysB61323 / B62836 + B6318$445.002026-10-29T00:52:52Z
2026-12-13 → 2026-12-16JetBlue AirwaysB61469 + B62449 / B61924$445.002026-10-29T00:52:52Z
2026-12-13 → 2026-12-16JetBlue AirwaysB6717 + B62637 / B61924$445.002026-10-29T00:52:52Z

2026-12-13 → 2026-12-16 · $475.00

  • JetBlue Airways B62023: BOS 2026-12-13 05:05:00 → STI 2026-12-13 09:58:00; nonstop; 233 minutes. Local airport times.
  • JetBlue Airways B61924: STI 2026-12-16 07:00:00 → BOS 2026-12-16 09:59:00; nonstop; 239 minutes. Local airport times.

2026-12-13 → 2026-12-16 · $430.00

  • American Airlines AA690 / AA2138: BOS 2026-12-13 06:00:00 → STI 2026-12-13 15:16:00; 1 stop(s) via PHL; 496 minutes. Local airport times.
    • AA690: BOS 2026-12-13 06:00:00 → PHL 2026-12-13 07:38:00; layover at PHL: 177 minutes.
    • AA2138: PHL 2026-12-13 10:35:00 → STI 2026-12-13 15:16:00.
  • American Airlines AA862 / AA2818: STI 2026-12-16 16:58:00 → BOS 2026-12-16 23:59:00; 1 stop(s) via MIA; 481 minutes. Local airport times.
    • AA862: STI 2026-12-16 16:58:00 → MIA 2026-12-16 18:25:00; layover at MIA: 132 minutes.
    • AA2818: MIA 2026-12-16 20:37:00 → BOS 2026-12-16 23:59:00.

2026-12-13 → 2026-12-16 · $445.00

  • United Airlines UA570 / UA1624: BOS 2026-12-13 07:20:00 → STI 2026-12-13 14:53:00; 1 stop(s) via EWR; 393 minutes. Local airport times.
    • UA570: BOS 2026-12-13 07:20:00 → EWR 2026-12-13 08:48:00; layover at EWR: 76 minutes.
    • UA1624: EWR 2026-12-13 10:04:00 → STI 2026-12-13 14:53:00.
  • United Airlines UA240 / UA1669: STI 2026-12-16 06:00:00 → BOS 2026-12-16 12:26:00; 1 stop(s) via EWR; 446 minutes. Local airport times.
    • UA240: STI 2026-12-16 06:00:00 → EWR 2026-12-16 09:05:00; layover at EWR: 124 minutes.
    • UA1669: EWR 2026-12-16 11:09:00 → BOS 2026-12-16 12:26:00.

2026-12-13 → 2026-12-16 · $475.00

  • JetBlue Airways B61323: BOS 2026-12-13 23:55:00 → STI 2026-12-14 04:50:00; nonstop; 235 minutes. Local airport times.
  • JetBlue Airways B61924: STI 2026-12-16 07:00:00 → BOS 2026-12-16 09:59:00; nonstop; 239 minutes. Local airport times.

2026-12-13 → 2026-12-16 · $430.00

  • American Airlines AA2980 / AA546: BOS 2026-12-13 07:38:00 → STI 2026-12-13 16:15:00; 1 stop(s) via MIA; 457 minutes. Local airport times.
    • AA2980: BOS 2026-12-13 07:38:00 → MIA 2026-12-13 11:20:00; layover at MIA: 101 minutes.
    • AA546: MIA 2026-12-13 13:01:00 → STI 2026-12-13 16:15:00.
  • American Airlines AA862 / AA2818: STI 2026-12-16 16:58:00 → BOS 2026-12-16 23:59:00; 1 stop(s) via MIA; 481 minutes. Local airport times.
    • AA862: STI 2026-12-16 16:58:00 → MIA 2026-12-16 18:25:00; layover at MIA: 132 minutes.
    • AA2818: MIA 2026-12-16 20:37:00 → BOS 2026-12-16 23:59:00.

2026-12-13 → 2026-12-16 · $445.00

  • JetBlue Airways B61323: BOS 2026-12-13 23:59:00 → STI 2026-12-14 04:54:00; nonstop; 235 minutes. Local airport times.
  • JetBlue Airways B62836 / B6318: STI 2026-12-16 03:45:00 → BOS 2026-12-16 10:47:00; 1 stop(s) via JFK; 482 minutes. Local airport times.
    • B62836: STI 2026-12-16 03:45:00 → JFK 2026-12-16 06:28:00; layover at JFK: 182 minutes.
    • B6318: JFK 2026-12-16 09:30:00 → BOS 2026-12-16 10:47:00.

2026-12-13 → 2026-12-16 · $445.00

  • JetBlue Airways B61469 / B62449: BOS 2026-12-13 16:48:00 → STI 2026-12-14 00:59:00; 1 stop(s) via FLL; 431 minutes. Local airport times.
    • B61469: BOS 2026-12-13 16:48:00 → FLL 2026-12-13 20:27:00; layover at FLL: 90 minutes.
    • B62449: FLL 2026-12-13 21:57:00 → STI 2026-12-14 00:59:00.
  • JetBlue Airways B61924: STI 2026-12-16 07:00:00 → BOS 2026-12-16 09:59:00; nonstop; 239 minutes. Local airport times.

2026-12-13 → 2026-12-16 · $445.00

  • JetBlue Airways B6717 / B62637: BOS 2026-12-13 18:09:00 → STI 2026-12-14 03:00:00; 1 stop(s) via JFK; 471 minutes. Local airport times.
    • B6717: BOS 2026-12-13 18:09:00 → JFK 2026-12-13 19:32:00; layover at JFK: 163 minutes.
    • B62637: JFK 2026-12-13 22:15:00 → STI 2026-12-14 03:00:00.
  • JetBlue Airways B61924: STI 2026-12-16 07:00:00 → BOS 2026-12-16 09:59:00; nonstop; 239 minutes. Local airport times.

More dates for this route