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Flights from Boston to Saint Thomas

Search for direct flights from Boston to Saint Thomas in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$212, and round-trip direct flights start at US$442.

      • Cheapest nonstop
        BOS 10:20
        4h 3m
        Nonstop
        STT 14:23
        Boston - Saint Thomas | Sat, Jul 4 | Jetblue Airways
        STT 14:58
        5h 39m
        Nonstop
        BOS 20:37
        Saint Thomas - Boston | Sat, Jul 11 | Jetblue Airways
        US$442 US$559
        21% off
        21% off
        US$559 US$442
      • BOS 10:20
        4h 3m
        Nonstop
        STT 14:23
        Boston - Saint Thomas | Sat, Jun 13 | Jetblue Airways
        STT 15:18
        5h 39m
        Nonstop
        BOS 20:57
        Saint Thomas - Boston | Sat, Jun 20 | Jetblue Airways
        US$442 US$559
        21% off
        21% off
        US$559 US$442
      • BOS 06:00
        6h 35m
        1 stop
        STT 12:35
        Boston - Saint Thomas | Thu, May 14 | American Airlines
        STT 17:05
        7h 54m
        1 stop
        BOS 00:59
        Saint Thomas - Boston | Thu, May 14 | American Airlines
        US$248 US$559
        56% off
        56% off
        US$559 US$248
      • BOS 06:00
        7h 35m
        1 stop
        STT 13:35
        Boston - Saint Thomas | Mon, May 18 | American Airlines
        STT 15:29
        8h 23m
        1 stop
        BOS 23:52
        Saint Thomas - Boston | Thu, May 21 | American Airlines
        US$249
        55% off
        US$559 US$249
      • BOS 05:35
        9h 42m
        1 stop
        STT 15:17
        Boston - Saint Thomas | Wed, May 13 | Delta Air Lines
        STT 16:27
        7h 10m
        1 stop
        BOS 23:37
        Saint Thomas - Boston | Wed, May 20 | Delta Air Lines
        US$254
        55% off
        US$559 US$254
      • BOS 08:00
        7h 17m
        1 stop
        STT 15:17
        Boston - Saint Thomas | Mon, May 11 | Delta Air Lines
        STT 14:04
        9h 40m
        1 stop
        BOS 23:44
        Saint Thomas - Boston | Tue, May 12 | Spirit Airlines
        US$286
        49% off
        US$559 US$286
      • BOS 06:00
        7h 8m
        1 stop
        STT 13:08
        Boston - Saint Thomas | Sat, May 16 | United Airlines
        STT 12:47
        10h 43m
        1 stop
        BOS 23:30
        Saint Thomas - Boston | Wed, May 20 | American Airlines
        US$287
        49% off
        US$559 US$287
      • BOS 17:40
        17h 7m
        1 stop
        STT 10:47
        Boston - Saint Thomas | Wed, May 13 | American Airlines
        STT 18:05
        15h 6m
        1 stop
        BOS 09:11
        Saint Thomas - Boston | Sun, May 17 | United Airlines
        US$294
        47% off
        US$559 US$294
      • BOS 18:53
        15h 54m
        1 stop
        STT 10:47
        Boston - Saint Thomas | Sun, May 10 | American Airlines
        STT 14:10
        22h 41m
        1 stop
        BOS 12:51
        Saint Thomas - Boston | Fri, May 15 | United Airlines
        US$304
        46% off
        US$559 US$304
      • BOS 07:00
        7h 16m
        1 stop
        STT 14:16
        Boston - Saint Thomas | Sat, May 9 | Spirit Airlines
        STT 18:05
        13h 48m
        1 stop
        BOS 07:53
        Saint Thomas - Boston | Sun, May 17 | United Airlines
        US$306
        45% off
        US$559 US$306
      • BOS 06:51
        8h 26m
        1 stop
        STT 15:17
        Boston - Saint Thomas | Tue, May 12 | Delta Air Lines
        STT 16:27
        7h 10m
        1 stop
        BOS 23:37
        Saint Thomas - Boston | Sat, May 16 | Delta Air Lines
        US$325
        42% off
        US$559 US$325
      • BOS 21:03
        16h 5m
        1 stop
        STT 13:08
        Boston - Saint Thomas | Sat, May 9 | United Airlines
        STT 15:29
        8h 23m
        1 stop
        BOS 23:52
        Saint Thomas - Boston | Thu, May 14 | American Airlines
        US$514
        8% off
        US$559 US$514
      • BOS 13:00
        17h 25m
        1 stop
        STT 14:00
        Boston - Saint Thomas | Sun, May 10 | Normal Airline
        STT 15:00
        6h
        Nonstop
        BOS 16:00
        Saint Thomas - Boston | Tue, May 12 | Normal Airline
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      • Cheapest nonstop
        BOS 09:40
        4h 4m
        Nonstop
        STT 13:44
        Boston - Saint Thomas | Sat, May 9 | Jetblue Airways
        US$212 US$243
        13% off
        13% off
        US$243 US$212
      • BOS 10:00
        4h 3m
        Nonstop
        STT 14:03
        Boston - Saint Thomas | Tue, Jun 16 | Jetblue Airways
        US$223 US$243
        8% off
        8% off
        US$243 US$223
      • BOS 08:00
        7h 17m
        1 stop
        STT 15:17
        Boston - Saint Thomas | Mon, May 11 | Delta Air Lines
        US$109 US$243
        55% off
        55% off
        US$243 US$109
      • BOS 08:00
        7h 17m
        1 stop
        STT 15:17
        Boston - Saint Thomas | Tue, May 12 | Delta Air Lines
        US$124
        49% off
        US$243 US$124
      • BOS 06:00
        7h 8m
        1 stop
        STT 13:08
        Boston - Saint Thomas | Sun, May 17 | United Airlines
        US$145
        40% off
        US$243 US$145
      • BOS 20:26
        14h 41m
        1 stop
        STT 11:07
        Boston - Saint Thomas | Fri, May 29 | United Airlines
        US$151
        38% off
        US$243 US$151
      • BOS 05:45
        11h 15m
        1 stop
        STT 17:00
        Boston - Saint Thomas | Sat, May 30 | United Airlines
        US$153
        37% off
        US$243 US$153
      • BOS 21:03
        16h 5m
        1 stop
        STT 13:08
        Boston - Saint Thomas | Mon, May 11 | United Airlines
        US$154
        37% off
        US$243 US$154
      • BOS 05:45
        6h 35m
        1 stop
        STT 12:20
        Boston - Saint Thomas | Sun, May 10 | United Airlines
        US$154
        37% off
        US$243 US$154
      • BOS 06:00
        7h 8m
        1 stop
        STT 13:08
        Boston - Saint Thomas | Tue, May 12 | United Airlines
        US$154
        37% off
        US$243 US$154
      • BOS 21:03
        16h 5m
        1 stop
        STT 13:08
        Boston - Saint Thomas | Mon, May 18 | United Airlines
        US$155
        36% off
        US$243 US$155
      • BOS 06:00
        7h 8m
        1 stop
        STT 13:08
        Boston - Saint Thomas | Sun, May 24 | United Airlines
        US$156
        36% off
        US$243 US$156
      • BOS 13:00
        17h 25m
        1 stop
        STT 14:00
        Boston - Saint Thomas | Sun, May 10 | Normal Airline
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Displayed flight fares from Boston to Saint Thomas are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Frequently Asked Questions

  • What are the cheapest flights from Boston to Saint Thomas (BOS-STT)?

    Based on Trip.com data, Delta Air Lines offers one-way fares as low as US$109 on Cheapest nonstop routes (e.g. BOS to STT on Mon, May 11), while American Airlines offers Cheapest nonstop round-trips from US$248 departing on Thu, May 14 and returning on Thu, May 14.
  • It takes about 4 hours 2 minutes to fly from Boston to Saint Thomas.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Boston to Saint Thomas is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Boston to Saint Thomas, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, May 11, with one-way flights priced at just US$109.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Jetblue Airways.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Saint Thomas travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Boston to Saint Thomas is September, when demand for travel is lower.
  • After crunching the numbers on our May flight calendar, it's currently cheapest to fly from Boston to Saint Thomas on May 11, 2026 with Delta Air Lines, with prices starting at US$218.
  • The time difference between Saint Thomas and Boston is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.