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Cheap Flights from Houston to Castries starting at S$ 363

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip

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

Cheapest time to fly from Houston to Castries

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.
Cheapest Airlines flying from Houston to Castries

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From S$ 353
American Airlines
From S$ 363
United Airlines
From S$ 401
Air Canada
From S$ 456
Jetblue Airways
From S$ 496
Spirit Airlines
From S$ 581
Delta Air Lines
From S$ 634
British Airways
From S$ 2,063
Westjet
From S$ 3,219
ANA airlines

Find more flights and airlines

Alternative Routes from Houston to Castries

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Houston to Castries.

  • Cheapest
    Frontier Airlines
    IAH
    14:10
    22h 40m
    2 transfer
    UVF
    13:50
    George Bush Intercontinental Airport - Hewanorra Airport
    Thu, May 2Frontier Airlines
    S$ 353
  • American Airlines
    IAH
    12:03
    45h 47m
    2 transfer
    SLU
    10:50
    George Bush Intercontinental Airport - George F. L. Charles Airport
    Sat, Apr 20American Airlines
    S$ 381
  • American Airlines
    HOU
    20:25
    16h 20m
    2 transfer
    UVF
    13:45
    William P. Hobby Airport - Hewanorra Airport
    Sat, Apr 27American Airlines
    S$ 464
  • American Airlines
    HOU
    20:25
    16h 20m
    2 transfer
    UVF
    13:45
    William P. Hobby Airport - Hewanorra Airport
    Sat, Apr 27American Airlines
    S$ 464
    Find More Flights

Frequently Asked Questions

  • When to buy flight tickets from Houston (HOU) to Castries (SLU) the cheapest?

    Airlines adjust prices for flights from Houston to Castries 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 Houston (HOU) to Castries (SLU) cost?

    According to Trip.com's data, the lowest price is around S$ 1,452.
  • What is the transportation method from the main airport to downtown in Castries?

    • The distance from George F. L. Charles Airport to downtown is about 1km, by taxi about 20 minutes.
    • The distance from Hewanorra International Airport to downtown is about 30km, by taxi about 50 minutes.
  • How many airports in Castries?

    There are 2 airports near Castries: George F. L. Charles Airport and Hewanorra International Airport.

How to find a cheap flight from Houston to Castries

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Houston to Castries. Book your flights at the right time and save more.
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 Houston to Castries

Cheapest direct flight price

S$ 363

Cheapest month

February

Peak season for travel

October

Flight distance

3,922.57km

Popular airline

American Airlines