$1,110 Cheap Flights from Birmingham (BHX) to Castries (SLU)

View $1,110 flight on Mon, Jun 1, 2026Opens in a new window

Popular airlines from Birmingham Airport (BHX) to George F. L. Charles Airport (SLU)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Birmingham to Castries (BHX-SLU)

Prices were available within the past 7 days and start at $1,110 for one-way flights and $1,895 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Thu, Jun 4 - Sun, Jun 14
BHX
Birmingham
SLU
Castries
$1,895 Roundtrip, found 1 day ago
$1,895
Roundtrip
found 1 day ago
Select KLM flight, departing Thu, Jun 4 from Birmingham to Castries, returning Sun, Jun 14, priced at $1,895 found 1 day ago

Frequently asked questions

How much does a flight from Birmingham Airport (BHX) to George F. L. Charles Airport (SLU) cost?
Grab a cheap one-way flight from $1,110 or cheap return flight from $1,895 from Birmingham Airport (BHX) to George F. L. Charles Airport (SLU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Birmingham Airport (BHX) to George F. L. Charles Airport (SLU)?
Flying in June is a great way to save, as it's the cheapest month for flights between BHX and SLU. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Birmingham Airport (BHX) to George F. L. Charles Airport (SLU)?
To find the cheapest airline flying from BHX to SLU, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Birmingham Airport (BHX) to George F. L. Charles Airport (SLU)?
There are no daily direct flights available from Birmingham Airport (BHX) to George F. L. Charles Airport (SLU). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from BHX to SLU?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Birmingham Airport (BHX) to George F. L. Charles Airport (SLU)?
To reach George F. L. Charles Airport (SLU) on time, book a flight that leaves from Birmingham Airport (BHX) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Birmingham Airport (BHX) to George F. L. Charles Airport (SLU) last-minute?
Last-minute fares from BHX to SLU are generally more expensive. For the best prices, start looking for flights ahead of time. That being said, if your travel plans are flexible, you may score a cheap fare right before your trip.
Is it cheaper to book a BHX to SLU flight and hotel package?
You'll typically save money by securing a BHX to SLU flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After selecting your preferred accommodations and flights, consider adding extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Birmingham Airport (BHX) to George F. L. Charles Airport (SLU)?
Generally, it's possible to cancel or reschedule your BHX to SLU flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Birmingham
Destination airport
George F. L. Charles
Roundtrip price
$1,894
Distance
4171 mi

Book with confidence

Birmingham to Castries Flights

The cheapest times to fly from Birmingham to Castries

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Birmingham to Castries are during the month of June. You can find some of the cheapest flights from Birmingham to Castries with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Birmingham to Castries

Sunday is one of the best days to book for cheap flights from Birmingham to Castries: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Birmingham to Castries

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Birmingham to Castries in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,110 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Birmingham to Castries flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Birmingham to Castries airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Birmingham to Castries Flights

Explore a world of travel with Expedia

*Available to One Key members.