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Cheap flights from Saint Thomas Island to London Heathrow Airport from £340

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/11. Fares are subject to change and may not be available on all flights or dates of travel.
STT — LHR
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Saint Thomas Island to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Saint Thomas Island (STT) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 7 November 2025.

Round-trip from

£507

One-way from

£340

Popular in

October

Cheapest in

March

Average price

£815
KLM
  • KLM
  • 15/2-19/3
  • 2 total stops
  • 38h 00m total
  • Saint Thomas Island to London
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British Airways
  • British Airways
  • 27/11
  • 1 total stop
  • 13h 48m total
  • Saint Thomas Island to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£130 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Find flight deals from Saint Thomas Island to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Saint Thomas Island to Heathrow
Explore the most affordable flight options available from Saint Thomas Island to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 November 2025.

Sun 23/1117:25STT - LHR
2 stops33h 45mAir Canada
Sun 30/1109:00LHR - STT
2 stops55h 00mAir Canada
Deal found 6/11£1,247
Sun 23/1113:02STT - LHR
1 stop13h 38mUnited Airlines
Sun 30/1116:20LHR - STT
1 stop24h 52mUnited Airlines
Deal found 6/11£1,337
Sun 23/1118:17STT - LHR
1 stop13h 13mBritish Airways
Sun 30/1109:15LHR - STT
2 stops34h 09mBritish Airways
Deal found 5/11£1,982

Cheapflights Fare Finder

 
Customise your flight search to find flights from Saint Thomas Island to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 7 November 2025.
Use the filters below to find and compare flights from Saint Thomas Island to London Heathrow Airport that are best for you.

Fly from

Saint Thomas Island

Fly to

Heathrow

Route

Depart

Return

Price

Saint Thomas IslandLondon

STT - LHR

STTLHR

Saint Thomas Island Cyril E King

Sun 15/2

15:00-09:00

1 stop14h 00m

London Heathrow

Thu 19/3

15:50-11:50

1 stop24h 00m

£507

Saint Thomas IslandLondon

STT - LHR

STTLHR

Saint Thomas Island Cyril E King

Sun 15/2

15:00-11:40

1 stop16h 40m

London Heathrow

Wed 18/3

15:50-11:50

1 stop24h 00m

£507

Saint Thomas IslandLondon

STT - LHR

STTLHR

Saint Thomas Island Cyril E King

Sun 15/2

13:16-06:50

1 stop13h 34m

London Heathrow

Thu 19/3

17:00-12:36

1 stop23h 36m

£526

Saint Thomas IslandLondon

STT - LHR

STTLHR

Saint Thomas Island Cyril E King

Sun 15/2

13:02-10:45

2 stops17h 43m

London Heathrow

Thu 19/3

10:30-12:56

2 stops30h 26m

£527

Saint Thomas IslandLondon

STT - LHR

STTLHR

Saint Thomas Island Cyril E King

Sun 15/2

13:02-10:45

2 stops17h 43m

London Heathrow

Wed 18/3

11:30-12:56

2 stops29h 26m

£527

Saint Thomas IslandLondon

STT - LHR

STTLHR

Saint Thomas Island Cyril E King

Fri 17/4

16:15-10:15

1 stop13h 00m

London Heathrow

Tue 21/4

11:30-12:03

2 stops29h 33m

£565

Saint Thomas IslandLondon

STT - LHR

STTLHR

Saint Thomas Island Cyril E King

Tue 28/4

15:00-13:30

1 stop17h 30m

London Heathrow

Tue 12/5

20:55-12:03

2 stops44h 08m

£574

Saint Thomas IslandLondon

STT - LHR

STTLHR

Saint Thomas Island Cyril E King

Mon 20/4

15:00-13:30

1 stop17h 30m

London Heathrow

Mon 27/4

20:00-12:03

1 stop21h 03m

£582

Saint Thomas IslandLondon

STT - LHR

STTLHR

Saint Thomas Island Cyril E King

Tue 10/3

13:00-07:50

1 stop14h 50m

London Heathrow

Tue 31/3

13:50-11:50

2 stops27h 00m

£584

Saint Thomas IslandLondon

STT - LHR

STTLHR

Saint Thomas Island Cyril E King

Thu 27/11

18:17-12:05

1 stop13h 48m

£340

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 14 results
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Best time to book a flight from Saint Thomas Island to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Saint Thomas Island with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Saint Thomas Island to London Heathrow Airport

What is the cheapest month to book a flight from Saint Thomas Island to London Heathrow Airport?

Currently, March is the cheapest month in which you can book a flight from Saint Thomas Island to London Heathrow Airport (average of £499). Flying from Saint Thomas Island to London Heathrow Airport in October is currently the most expensive (average of £1,003). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Saint Thomas Island to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Saint Thomas Island to London Heathrow?

    Most people fly from Saint Thomas Island Cyril E King (STT) if they book a flight from Saint Thomas Island to London Heathrow. On average, Cyril E King has 0 outbound flights to London Heathrow per day from 0 airlines. Saint Thomas Island Cyril E King is conveniently located just 2.8 mi from Saint Thomas Island’s city center.

  • How long is the flight from Saint Thomas Island to London Heathrow Airport?

    Airlines like KLM, American Airlines, and United Airlines fly from Saint Thomas Island to London Heathrow Airport in about 13h 34m. The time it takes to get you to your destination can typically vary by up to 4h 09m. There are 4140 mi between Saint Thomas Island and London Heathrow Airport. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Saint Thomas Island to London Heathrow Airport one-way?

    £340 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on Air Canada and American Airlines, with prices starting from £344 and £344, respectively.

  • Can I find deals for flights from Saint Thomas Island to Heathrow that include hotel bookings?

    Yes. In addition to deals on Saint Thomas Island to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Saint Thomas Island to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Saint Thomas Island to Heathrow.

  • Can I find deals for business class flights from Saint Thomas Island to Heathrow?

    Yes. Cheapflights offers flight deals from Saint Thomas Island to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Saint Thomas Island to London Heathrow Airport?

    Currently, March is the cheapest month in which you can book a flight from Saint Thomas Island to London Heathrow Airport (average of £499). Flying from Saint Thomas Island to London Heathrow Airport in October is currently the most expensive (average of £1,003). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Swindon
Crawley
Brentford
Romford
Chichester
Ipswich

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Why should you use Cheapflights to find cheap flight tickets from Saint Thomas Island to Heathrow?

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