$1,425 Cheap Flights from Birmingham (BHX) to Castries (SLU)

View $1,425 flight on Mon, Aug 25, 2025Opens in a new window

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

Cheap Flights from Birmingham to Castries (BHX-SLU)

Prices were available within the past 7 days and start at $1,425 for one-way flights and $3,095 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Mon, Aug 25 - Sat, Aug 30
BHX
Birmingham
SLU
Castries
$3,095 Roundtrip, found 6 days ago
$3,095
Roundtrip
found 6 days ago
Select KLM flight, departing Mon, Aug 25 from Birmingham to Castries, returning Sat, Aug 30, priced at $3,095 found 6 days ago

Alternative airports near Castries

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Hewanorra Intl. UVF. Cheapest option available. Average driving time to city center is 53 minutes. Flights from $1,103
UVF
Hewanorra Intl.
Cheapest
Average driving time to city center53 min
Flights from $1,103
Flights from Birmingham (BHX) to Vieux Fort (UVF)
Origin airport
Birmingham
Destination airport
Hewanorra Intl.
Roundtrip price
$1,091
Distance
4185 mi

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 August. 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 $1,425 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.

 

Frequently asked questions

How much does a flight from Birmingham Airport (BHX) to George F. L. Charles Airport (SLU) cost?
Discover the latest flight deals from BHX to SLU by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from BHX to SLU?
The cheapest flights from BHX to SLU are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from BHX to SLU?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from BHX to SLU. Sort your results by "Price (lowest to highest)" to snap up a great deal.
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.

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*Available to One Key members.