$987 Cheap Flights from London (LHR) to São Tomé Island (TMS)

View $987 flight on Thu, Nov 6, 2025Opens in a new window

Popular airlines from Heathrow Airport (LHR) to São Tomé Island (TMS-São Tomé Intl.)

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Cheap Flights from London to São Tomé Island (LHR-TMS)

Prices were available within the past 7 days and start at $987 for one-way flights and $1,228 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Fri, Nov 14 - Sat, Nov 22
LHR
London
TMS
São Tomé Island
$1,228 Roundtrip, found 20 hours ago
$1,228
Roundtrip
found 20 hours ago
Select TAP Portugal flight, departing Fri, Nov 14 from London to São Tomé Island, returning Sat, Nov 22, priced at $1,228 found 20 hours ago
TAP Portugal
Fri, Nov 14 - Sat, Nov 22
LHR
London
TMS
São Tomé Island
$1,236 Roundtrip, found 20 hours ago
$1,236
Roundtrip
found 20 hours ago
Select TAP Portugal flight, departing Fri, Nov 14 from London to São Tomé Island, returning Sat, Nov 22, priced at $1,236 found 20 hours ago
TAP Portugal
Sat, Apr 4 - Sat, Apr 11
LHR
London
TMS
São Tomé Island
$1,367 Roundtrip, found 7 hours ago
$1,367
Roundtrip
found 7 hours ago
Select TAP Portugal flight, departing Sat, Apr 4 from London to São Tomé Island, returning Sat, Apr 11, priced at $1,367 found 7 hours ago
TAP Portugal
Sat, Apr 4 - Sat, Apr 11
LHR
London
TMS
São Tomé Island
$1,368 Roundtrip, found 7 hours ago
$1,368
Roundtrip
found 7 hours ago
Select TAP Portugal flight, departing Sat, Apr 4 from London to São Tomé Island, returning Sat, Apr 11, priced at $1,368 found 7 hours ago
TAP Portugal
Sat, Apr 4 - Sat, Apr 11
LHR
London
TMS
São Tomé Island
$1,375 Roundtrip, found 7 hours ago
$1,375
Roundtrip
found 7 hours ago
Select TAP Portugal flight, departing Sat, Apr 4 from London to São Tomé Island, returning Sat, Apr 11, priced at $1,375 found 7 hours ago
TAP Portugal
Sat, Apr 4 - Sat, Apr 11
LHR
London
TMS
São Tomé Island
$1,409 Roundtrip, found 7 hours ago
$1,409
Roundtrip
found 7 hours ago
Select TAP Portugal flight, departing Sat, Apr 4 from London to São Tomé Island, returning Sat, Apr 11, priced at $1,409 found 7 hours ago
TAP Portugal
Sat, Apr 4 - Sat, Apr 11
LHR
London
TMS
São Tomé Island
$1,435 Roundtrip, found 7 hours ago
$1,435
Roundtrip
found 7 hours ago
Select TAP Portugal flight, departing Sat, Apr 4 from London to São Tomé Island, returning Sat, Apr 11, priced at $1,435 found 7 hours ago
TAP Portugal
Sat, Apr 4 - Sat, Apr 11
LHR
London
TMS
São Tomé Island
$1,442 Roundtrip, found 7 hours ago
$1,442
Roundtrip
found 7 hours ago
Select TAP Portugal flight, departing Sat, Apr 4 from London to São Tomé Island, returning Sat, Apr 11, priced at $1,442 found 7 hours ago
Turkish Airlines
Wed, Dec 3 - Sat, Dec 13
LHR
London
TMS
São Tomé Island
$1,649 Roundtrip, found 2 days ago
$1,649
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Wed, Dec 3 from London to São Tomé Island, returning Sat, Dec 13, priced at $1,649 found 2 days ago
Ethiopian Airlines
Fri, Nov 14 - Sat, Nov 22
LHR
London
TMS
São Tomé Island
$1,888 Roundtrip, found 20 hours ago
$1,888
Roundtrip
found 20 hours ago
Select Ethiopian Airlines flight, departing Fri, Nov 14 from London to São Tomé Island, returning Sat, Nov 22, priced at $1,888 found 20 hours ago

Frequently asked questions

How much does a flight from Heathrow Airport (LHR) to Sao Tome Intl. Airport (TMS) cost?
Secure a cheap one-way flight from $987 or cheap return flight from $1,228 from Heathrow Airport (LHR) to Sao Tome Intl. Airport (TMS) 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 Sao Tome Intl. Airport (TMS)?
Planning your getaway for November may help you find better deals, as it's the cheapest month for flights between LHR and TMS. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Heathrow Airport (LHR) to Sao Tome Intl. Airport (TMS)?
To find the cheapest airline flying from LHR to TMS, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and seat class. 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 Sao Tome Intl. Airport (TMS)?
There aren't any daily nonstop flights available from Heathrow Airport (LHR) to Sao Tome Intl. Airport (TMS). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from LHR to TMS?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change based on the time of year, airline 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 Heathrow Airport (LHR) to Sao Tome Intl. Airport (TMS)?
Book a flight from Heathrow Airport (LHR) to Sao Tome Intl. Airport (TMS) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**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 Sao Tome Intl. Airport (TMS) last-minute?
Booking your flight from LHR to TMS just before your journey is typically more expensive. But if there's some wiggle room with your travel times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a LHR to TMS flight and hotel package?
Compared with arranging hotels and flights separately, booking a LHR to TMS flight and hotel package with Expedia could lead to significant savings. What's more, having it all in one place will take the hassle out of travel planning. Simply pick your flights and choose from our wide range of hotels, then tailor your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Heathrow Airport (LHR) to Sao Tome Intl. Airport (TMS)?
In most cases, you're able to reschedule or cancel your LHR to TMS flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more details, go to our Customer Service portal.

Travel information

Origin airport
Heathrow
Destination airport
São Tomé Intl.
Roundtrip price
$1,228
Distance
3554 mi

Book with confidence

London to São Tomé Island Flights

The cheapest times to fly from London to São Tomé Island

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 São Tomé Island are during the month of November. You can find some of the cheapest flights from London to São Tomé Island with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from London to São Tomé Island

Sunday is one of the best days to book for cheap flights from London to São Tomé Island: 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 São Tomé Island

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 São Tomé Island in 2025. You can also book with separate airlines for your outbound and return journeys, from $987 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 São Tomé Island 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 São Tomé Island 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 São Tomé Island Flights
*Available to One Key members.