$550 Cheap Flights from London (LHR) to St. Thomas (STT)

View $550 flight on Thu, Jan 8, 2026Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Cyril E. King Airport (STT)

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Cheap Flights from London to St. Thomas (LHR-STT)

Prices were available within the past 7 days and start at $550 for one-way flights and $777 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Tue, Feb 3 - Tue, Feb 17
LHR
London
STT
St. Thomas
$777 Roundtrip, found 19 hours ago
$777
Roundtrip
found 19 hours ago
Select JetBlue Airways flight, departing Tue, Feb 3 from London to St. Thomas, returning Tue, Feb 17, priced at $777 found 19 hours ago
JetBlue Airways
Sat, Feb 7 - Tue, Feb 17
LHR
London
STT
St. Thomas
$784 Roundtrip, found 19 hours ago
$784
Roundtrip
found 19 hours ago
Select JetBlue Airways flight, departing Sat, Feb 7 from London to St. Thomas, returning Tue, Feb 17, priced at $784 found 19 hours ago
JetBlue Airways
Mon, Feb 2 - Mon, Feb 16
LHR
London
STT
St. Thomas
$786 Roundtrip, found 4 days ago
$786
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Mon, Feb 2 from London to St. Thomas, returning Mon, Feb 16, priced at $786 found 4 days ago
JetBlue Airways
Wed, Feb 4 - Tue, Feb 17
LHR
London
STT
St. Thomas
$791 Roundtrip, found 19 hours ago
$791
Roundtrip
found 19 hours ago
Select JetBlue Airways flight, departing Wed, Feb 4 from London to St. Thomas, returning Tue, Feb 17, priced at $791 found 19 hours ago
JetBlue Airways
Mon, Mar 2 - Wed, Mar 18
LHR
London
STT
St. Thomas
$800 Roundtrip, found 4 days ago
$800
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Mon, Mar 2 from London to St. Thomas, returning Wed, Mar 18, priced at $800 found 4 days ago
JetBlue Airways
Wed, Mar 18 - Mon, Mar 30
LHR
London
STT
St. Thomas
$815 Roundtrip, found 4 days ago
$815
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Wed, Mar 18 from London to St. Thomas, returning Mon, Mar 30, priced at $815 found 4 days ago
British Airways
Wed, Mar 11 - Wed, Mar 25
LHR
London
STT
St. Thomas
$1,219 Roundtrip, found 4 days ago
$1,219
Roundtrip
found 4 days ago
Select British Airways flight, departing Wed, Mar 11 from London to St. Thomas, returning Wed, Mar 25, priced at $1,219 found 4 days ago
United
Mon, Jan 26 - Mon, Feb 9
LHR
London
STT
St. Thomas
$1,230 Roundtrip, found 4 hours ago
$1,230
Roundtrip
found 4 hours ago
Select United flight, departing Mon, Jan 26 from London to St. Thomas, returning Mon, Feb 9, priced at $1,230 found 4 hours ago
American Airlines
Tue, Jan 27 - Thu, Feb 12
LHR
London
STT
St. Thomas
$1,234 Roundtrip, found 4 hours ago
$1,234
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Tue, Jan 27 from London to St. Thomas, returning Thu, Feb 12, priced at $1,234 found 4 hours ago
Delta
Tue, Jan 27 - Thu, Feb 12
LHR
London
STT
St. Thomas
$1,235 Roundtrip, found 4 hours ago
$1,235
Roundtrip
found 4 hours ago
Select Delta flight, departing Tue, Jan 27 from London to St. Thomas, returning Thu, Feb 12, priced at $1,235 found 4 hours ago

Alternative airports near St. Thomas

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

Select flight to Terrance B. Lettsome Intl. EIS. Flights from $1,483
EIS
Terrance B. Lettsome Intl.
Flights from $1,483

Frequently asked questions

How much does a flight from Heathrow Airport (LHR) to Cyril E. King Airport (STT) cost?
Get a cheap one-way flight from $550 or cheap return flight from $777 from Heathrow Airport (LHR) to Cyril E. King Airport (STT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Heathrow Airport (LHR) to Cyril E. King Airport (STT)?
Traveling in February may help you find better deals, as it's the cheapest month for flights between LHR and STT. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Heathrow Airport (LHR) to Cyril E. King Airport (STT)?
To find the cheapest airline that'll fly you from LHR to STT, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Heathrow Airport (LHR) to Cyril E. King Airport (STT)?
You'll need to take a flight with a layover when traveling from Heathrow Airport (LHR) to Cyril E. King Airport (STT). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from LHR to STT?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Heathrow Airport (LHR) to Cyril E. King Airport (STT)?
To avoid potential delays on the Heathrow Airport (LHR) to Cyril E. King Airport (STT) route, fly before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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 Heathrow Airport (LHR) to Cyril E. King Airport (STT) last-minute?
Last-minute fares from LHR to STT are typically more expensive. To secure the best prices, start searching for flights as soon as possible. That being said, if you're flexible with your travel dates, you may find a cheap ticket right before you leave.
Is it cheaper to book a LHR to STT flight and hotel package?
Compared with arranging flights and hotels separately, booking a LHR to STT flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place will take the stress out of planning your trip. Simply pick your flights and choose from our extensive range of stays, then personalize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Heathrow Airport (LHR) to Cyril E. King Airport (STT)?
It's generally possible to reschedule or cancel your LHR to STT flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Heathrow
Destination airport
Cyril E. King
Airlines serving
Air Canada, American Airlines, British Airways, Delta, JetBlue Airways, KLM, United, Virgin Atlantic
Roundtrip price
$777
Distance
4143 mi

Book with confidence

London to St. Thomas Flights

The cheapest times to fly from London to St. Thomas

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 London to St. Thomas are during the month of February. You can find some of the cheapest flights from London to St. Thomas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from London to St. Thomas

Sunday is one of the best days to book for cheap flights from London to St. Thomas: 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 London to St. Thomas

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 London to St. Thomas in 2025. You can also book with separate airlines for your outbound and return journeys, from $550 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 London to St. Thomas 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 London to St. Thomas 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.

 

London to St. Thomas Flights

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*Available to One Key members.