Cheap flights from Saint Thomas Island to London from £275

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Saint Thomas Island to London departing on 10/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Saint Thomas Island to London (STT-LHR)

Cheap return flights

Delta Logo
15:23 - 13:30STT-LHR
17h 07m1 stop
Delta Logo
15:50 - 12:50LHR-STT
25h 00m1 stop
£476Delta
Find Deal
Wed, 3 Sep - Mon, 22 Dec
United Airlines Logo
12:02 - 08:25STT-LHR
16h 23m2 stops
United Airlines Logo
16:00 - 13:12LHR-STT
25h 12m2 stops
£477United Airlines
Find Deal
Wed, 29 Oct - Sun, 2 Nov
United Airlines Logo
13:15 - 06:20STT-LHR
13h 05m1 stop
United Airlines Logo
15:10 - 13:12LHR-STT
26h 02m2 stops
£484United Airlines
Find Deal
Wed, 29 Oct - Sun, 2 Nov
Delta Logo
15:23 - 07:40STT-LHR
35h 17m2 stops
Delta Logo
20:00 - 13:36LHR-STT
21h 36m1 stop
£500Delta
Find Deal
Wed, 3 Sep - Mon, 22 Dec
British Airways Logo
13:39 - 11:30STT-LHR
17h 51m1 stop
British Airways Logo
09:15 - 15:15LHR-STT
34h 00m2 stops
£521British Airways
Find Deal
Wed, 29 Oct - Sun, 2 Nov
British Airways Logo
13:39 - 11:30STT-LHR
17h 51m1 stop
British Airways Logo
07:30 - 15:15LHR-STT
35h 45m2 stops
£522British Airways
Find Deal
Wed, 29 Oct - Sun, 2 Nov
American Airlines Logo
13:40 - 10:35STT-LHR
15h 55m1 stop
American Airlines Logo
16:35 - 12:00LHR-STT
24h 25m2 stops
£585American Airlines
Find Deal
Tue, 23 Sep - Tue, 7 Oct
American Airlines Logo
13:40 - 10:35STT-LHR
15h 55m1 stop
American Airlines Logo
09:15 - 12:00LHR-STT
31h 45m1 stop
£615American Airlines
Find Deal
Tue, 23 Sep - Tue, 7 Oct
KLM Logo
15:23 - 13:30STT-LHR
17h 07m1 stop
KLM Logo
15:50 - 12:50LHR-STT
25h 00m1 stop
£764KLM
Find Deal
Mon, 1 Sep - Mon, 22 Dec
KLM Logo
15:23 - 13:30STT-LHR
17h 07m1 stop
KLM Logo
13:00 - 12:50LHR-STT
27h 50m2 stops
£767KLM
Find Deal
Mon, 1 Sep - Mon, 22 Dec

Delta flights from Saint Thomas Island to London Heathrow Airport

Our best Delta deals on Saint Thomas Island to London Heathrow Airport flight tickets
Delta
3 Sept
STT15:23Saint Thomas Island Cyril E King
17h 07m
1 stop
LHR13:30London Heathrow
22 Dec
LHR15:50London Heathrow
25h 00m
1 stop
STT12:50Saint Thomas Island Cyril E King
Delta
3 Sept
STT15:23Saint Thomas Island Cyril E King
35h 17m
2 stops
LHR07:40London Heathrow
22 Dec
LHR20:00London Heathrow
21h 36m
1 stop
STT13:36Saint Thomas Island Cyril E King
Delta
2 Sept
STT15:23Saint Thomas Island Cyril E King
33h 57m
2 stops
LHR06:20London Heathrow
22 Dec
LHR20:00London Heathrow
21h 36m
1 stop
STT13:36Saint Thomas Island Cyril E King

American Airlines flights from Saint Thomas Island to London Heathrow Airport

Our best American Airlines deals on Saint Thomas Island to London Heathrow Airport flight tickets
American Airlines
23 Sept
STT13:40Saint Thomas Island Cyril E King
15h 55m
1 stop
LHR10:35London Heathrow
7 Oct
LHR16:35London Heathrow
24h 25m
2 stops
STT12:00Saint Thomas Island Cyril E King
American Airlines
23 Sept
STT13:40Saint Thomas Island Cyril E King
15h 55m
1 stop
LHR10:35London Heathrow
7 Oct
LHR09:15London Heathrow
31h 45m
1 stop
STT12:00Saint Thomas Island Cyril E King
American Airlines
13 Sept
STT16:05Saint Thomas Island Cyril E King
15h 25m
1 stop
LHR12:30London Heathrow
1 Oct
LHR17:00London Heathrow
24h 50m
2 stops
STT12:50Saint Thomas Island Cyril E King

momondo Fare Finder

 
Customise your flight search to find flights from Saint Thomas Island to London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 16 August 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

Fly to

Route

Depart

Return

Price

Saint Thomas IslandLondon

STT - LHR

STTLHR

Saint Thomas Island Cyril E King

Wed 3/9

15:23-13:30

1 stop17h 07m

London Heathrow

Mon 22/12

15:50-12:50

1 stop25h 00m

£476

Saint Thomas IslandLondon

STT - LHR

STTLHR

Saint Thomas Island Cyril E King

Wed 29/10

12:02-08:25

2 stops16h 23m

London Heathrow

Sun 2/11

16:00-13:12

2 stops25h 12m

£477

Saint Thomas IslandLondon

STT - LHR

STTLHR

Saint Thomas Island Cyril E King

Wed 29/10

13:15-06:20

1 stop13h 05m

London Heathrow

Sun 2/11

15:10-13:12

2 stops26h 02m

£484

Saint Thomas IslandLondon

STT - LHR

STTLHR

Saint Thomas Island Cyril E King

Wed 3/9

15:23-07:40

2 stops35h 17m

London Heathrow

Mon 22/12

20:00-13:36

1 stop21h 36m

£500

Saint Thomas IslandLondon

STT - LHR

STTLHR

Saint Thomas Island Cyril E King

Wed 29/10

13:39-11:30

1 stop17h 51m

London Heathrow

Sun 2/11

09:15-15:15

2 stops34h 00m

£521

Saint Thomas IslandLondon

STT - LHR

STTLHR

Saint Thomas Island Cyril E King

Wed 29/10

13:39-11:30

1 stop17h 51m

London Heathrow

Sun 2/11

07:30-15:15

2 stops35h 45m

£522

Saint Thomas IslandLondon

STT - LHR

STTLHR

Saint Thomas Island Cyril E King

Tue 23/9

13:40-10:35

1 stop15h 55m

London Heathrow

Tue 7/10

16:35-12:00

2 stops24h 25m

£585

Saint Thomas IslandLondon

STT - LHR

STTLHR

Saint Thomas Island Cyril E King

Tue 23/9

13:40-10:35

1 stop15h 55m

London Heathrow

Tue 7/10

09:15-12:00

1 stop31h 45m

£615

Saint Thomas IslandLondon

STT - LHR

STTLHR

Saint Thomas Island Cyril E King

Mon 1/9

15:23-13:30

1 stop17h 07m

London Heathrow

Mon 22/12

15:50-12:50

1 stop25h 00m

£764

Saint Thomas IslandLondon

STT - LHR

STTLHR

Saint Thomas Island Cyril E King

Mon 1/9

15:23-13:30

1 stop17h 07m

London Heathrow

Mon 22/12

13:00-12:50

2 stops27h 50m

£767

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Saint Thomas Island to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to London Heathrow Airport?

In general, October is the cheapest month to fly from Saint Thomas Island to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £481. The month of March is another great option to travel to London Heathrow Airport, with average flight prices from Saint Thomas Island averaging around £482.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Saint Thomas Island is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £469. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £626.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is at midday. momondo users have found flights departing from Saint Thomas Island to London Heathrow Airport at midday for as low as £512. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £522 on average. Flights to London Heathrow Airport from Saint Thomas Island in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

When to book flights from Saint Thomas Island to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Saint Thomas Island to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Saint Thomas Island to London Heathrow Airport (STT to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Saint Thomas Island to London Heathrow Airport

Best price found

£275

Fastest flight time

12h 15m

Direct flights

None
The best one-way flight to London Heathrow Airport from Saint Thomas Island in the past 72 hours is £275. The best return flight deal from Saint Thomas Island to London Heathrow Airport found on momondo in the last 72 hours is £476.
The fastest flight from Saint Thomas Island to London Heathrow Airport takes 12h 15m
There are no direct flights from Saint Thomas Island to London Heathrow Airport. Popular non-direct route for this connection is Saint Thomas Island Cyril E King Airport - London Heathrow Airport.
  • How far is Saint Thomas Island Cyril E King to London Heathrow by plane?

    A flight from Saint Thomas Island Cyril E King to London Heathrow will travel around 4138.2 mi. Flights usually cover this in 13h 05m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Saint Thomas Island Cyril E King Airport to London Heathrow Airport?

    Prices for flights from Saint Thomas Island Cyril E King Airport to London Heathrow Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Saint Thomas Island Cyril E King Airport to London Heathrow Airport?

  • How old do you have to be to fly from Saint Thomas Island Cyril E King Airport to London Heathrow Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Saint Thomas Island Cyril E King Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Saint Thomas Island to London Heathrow Airport?

Best airlines flying from Saint Thomas Island to London Heathrow Airport

Compare and see reviews for airlines that fly from Saint Thomas Island to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £481Free CancellationRating
6.6
7,271 reviews
Search British Airways flights

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Why use momondo?

Why should I use momondo to find a flight deal from Saint Thomas Island to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Saint Thomas Island.

Can I find flights from Saint Thomas Island to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Saint Thomas Island which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Saint Thomas Island to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Saint Thomas Island.

I’m not ready to book a flight from Saint Thomas Island to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Saint Thomas Island and alert you when they change.

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Thu 21/8
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