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Cheap Flights from Castries to Boston
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Cheap Flights from Castries to Boston starting at S$ 239

Discover our range of affordable one-way and round-trip flights from Castries to Boston and kick-start your next adventure today!

  • One way
  • Round-trip
      • Cheapest nonstop
        UVF15:46
        5h 13m
        Nonstop
        BOS19:59
        Wed, Dec 25|Castries - Boston|Jetblue Airways
        S$ 239S$ 458
        48% OFF
        48% OFF
        S$ 458S$ 239

        Fly from Castries to Boston on Wed, Dec 25 with Jetblue Airways. One-way direct flights with Jetblue Airways depart Hewanorra International Airport and arrive General Edward Lawrence Logan International Airport starting at S$ 239 including taxes and charges.

      • UVF16:02
        5h 12m
        Nonstop
        BOS20:14
        Sun, Dec 22|Castries - Boston|Jetblue Airways
        S$ 242S$ 458
        47% OFF
        47% OFF
        S$ 458S$ 242

        Fly from Castries to Boston on Sun, Dec 22 with Jetblue Airways. One-way direct flights with Jetblue Airways depart Hewanorra International Airport and arrive General Edward Lawrence Logan International Airport starting at S$ 242 including taxes and charges.

      • UVF17:00
        5h 2m
        Nonstop
        BOS21:02
        Sat, Dec 7|Castries - Boston|Jetblue Airways
        S$ 310S$ 458
        32% OFF
        32% OFF
        S$ 458S$ 310

        Fly from Castries to Boston on Sat, Dec 7 with Jetblue Airways. One-way direct flights with Jetblue Airways depart Hewanorra International Airport and arrive General Edward Lawrence Logan International Airport starting at S$ 310 including taxes and charges.

      • UVF13:58
        5h 9m
        Nonstop
        BOS18:07
        Sun, Dec 15|Castries - Boston|Jetblue Airways
        S$ 310
        S$ 310

        Fly from Castries to Boston on Sun, Dec 15 with Jetblue Airways. One-way direct flights with Jetblue Airways depart Hewanorra International Airport and arrive General Edward Lawrence Logan International Airport starting at S$ 310 including taxes and charges.

      • UVF15:55
        5h
        Nonstop
        BOS19:55
        Wed, Dec 4|Castries - Boston|Jetblue Airways
        S$ 311
        S$ 311

        Fly from Castries to Boston on Wed, Dec 4 with Jetblue Airways. One-way direct flights with Jetblue Airways depart Hewanorra International Airport and arrive General Edward Lawrence Logan International Airport starting at S$ 311 including taxes and charges.

      • UVF13:48
        5h 7m
        Nonstop
        BOS17:55
        Wed, Nov 27|Castries - Boston|Jetblue Airways
        S$ 311
        S$ 311

        Fly from Castries to Boston on Wed, Nov 27 with Jetblue Airways. One-way direct flights with Jetblue Airways depart Hewanorra International Airport and arrive General Edward Lawrence Logan International Airport starting at S$ 311 including taxes and charges.

      • UVF17:00
        5h 2m
        Nonstop
        BOS21:02
        Sat, Dec 14|Castries - Boston|Jetblue Airways
        S$ 314
        S$ 314

        Fly from Castries to Boston on Sat, Dec 14 with Jetblue Airways. One-way direct flights with Jetblue Airways depart Hewanorra International Airport and arrive General Edward Lawrence Logan International Airport starting at S$ 314 including taxes and charges.

      • UVF14:10
        5h 9m
        Nonstop
        BOS18:19
        Sat, Nov 23|Castries - Boston|Jetblue Airways
        S$ 334
        S$ 334

        Fly from Castries to Boston on Sat, Nov 23 with Jetblue Airways. One-way direct flights with Jetblue Airways depart Hewanorra International Airport and arrive General Edward Lawrence Logan International Airport starting at S$ 334 including taxes and charges.

      • UVF18:00
        16h 18m
        1 stop
        BOS09:18
        Mon, Dec 23|Castries - Boston|Jetblue Airways
        S$ 297
        S$ 297

        Fly from Castries to Boston on Mon, Dec 23 with Jetblue Airways. One-way connecting flights with Jetblue Airways depart Hewanorra International Airport and arrive General Edward Lawrence Logan International Airport starting at S$ 297 including taxes and charges.

      • UVF16:50
        9h 10m
        1 stop
        BOS01:00
        Mon, Jan 13|Castries - Boston|Delta Air Lines
        S$ 310
        S$ 310

        Fly from Castries to Boston on Mon, Jan 13 with Delta Air Lines. One-way connecting flights with Delta Air Lines depart Hewanorra International Airport and arrive General Edward Lawrence Logan International Airport starting at S$ 310 including taxes and charges.

      • SLU13:00
        3h 5m
        Nonstop
        BOS14:00
        Thu, Nov 28|Castries - Boston|Jetblue Airways
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Cheapest time to fly from Castries to Boston

Explore the best time to buy affordable tickets to Boston with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.

Cheapest Airlines flying from Castries to Boston

We have a range of prices from different airlines providing flights from Castries to Boston. Check below for the journey which best suits your travel needs.

Jetblue Airways
From S$ 239
Delta Air Lines
From S$ 310
United Airlines
From S$ 329
American Airlines
From S$ 337
Air Canada
From S$ 356
Westjet
From S$ 416
Caribbean Airlines
From S$ 540
Winair
From S$ 658
Intercaribbean Airways, Ltd.
From S$ 686
British Airways
From S$ 2,747

Find more flights and airlines

Alternative Routes from Castries to Boston

Did you know that you can save money and time on an alternative route from Castries to Boston? Check out some of the different available routes below.

  • Cheapest
    Jetblue Airways
    UVF
    15:46
    5h 13m
    Nonstop
    BOS
    19:59
    Hewanorra Airport - General Edward Lawrence Logan International Airport
    Wed, Dec 25Jetblue Airways
    S$ 239
  • Caribbean Airlines
    SLU
    10:25
    22h 2m
    2 transfer
    BOS
    07:27
    George F. L. Charles Airport - General Edward Lawrence Logan International Airport
    Wed, Jan 15Caribbean Airlines
    S$ 540
  • Caribbean Airlines
    SLU
    10:25
    22h 2m
    2 transfer
    BOS
    07:27
    George F. L. Charles Airport - General Edward Lawrence Logan International Airport
    Wed, Jan 15Caribbean Airlines
    S$ 540
    Find More Flights

Frequently Asked Questions

  • When to buy flight tickets from Castries (SLU) to Boston (BOS) the cheapest?

    Airlines adjust prices for flights from Castries to Boston based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much is a flight from Castries (SLU) to Boston (BOS) cost?

    According to Trip.com's data, the lowest price is around S$ 578.

  • How long is a flight from Castries (SLU) to Boston (BOS)?

    It takes about 5 hours 11 minutes to fly from Castries (SLU) to Boston (BOS).

  • What are the most popular airlines that fly from Castries (SLU) to Boston (BOS)?

    Airlines with flights from Castries (SLU) to Boston (BOS): Qatar Airways and Jetblue Airways.

  • What's the most popular airline for direct flights from Castries (SLU) to Boston (BOS)?

    Jetblue Airways operates 1 direct flights from Castries (SLU) to Boston (BOS).

  • How many airports in Boston?

How to find a cheap flight from Castries to Boston

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Find cheapest flight ticket from Castries to Boston

Cheapest direct flight priceS$ 238
Cheapest return ticket priceS$ 397
Off-season for travelNovember
Peak season for travelAugust
Flight distance3,295.52km
Average flight time5 hours 11 minutes
Popular airlineWestjet

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