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Cheap flights from London Heathrow Airport to São Tomé from £589

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — TMS
23 Jul — 30 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to São Tomé

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to São Tomé
Explore the most affordable flight options available from Heathrow to São Tomé. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 June 2026.

Wed 11/1118:30
LHR
-
TMS
2 stops47h 00m
Multiple Airlines
Wed 25/1118:20
TMS
-
LHR
2 stops18h 20m
Multiple Airlines
Deal found 19/6£594
Sat 14/1106:00
LHR
-
TMS
1 stop11h 30m
Multiple Airlines
Wed 25/1118:20
TMS
-
LHR
2 stops23h 10m
Multiple Airlines
Deal found 19/6£793
Sat 14/1106:00
LHR
-
TMS
1 stop11h 30m
Multiple Airlines
Fri 27/1118:20
TMS
-
LHR
2 stops18h 20m
Multiple Airlines
Deal found 19/6£802
Tue 10/1118:30
LHR
-
TMS
2 stops23h 45m
TAP AIR PORTUGAL
Fri 27/1120:00
TMS
-
LHR
2 stops16h 40m
TAP AIR PORTUGAL
Deal found 19/6£925
Sat 5/906:00
LHR
-
TMS
1 stop12h 25m
Multiple Airlines
Wed 23/916:15
TMS
-
LHR
2 stops22h 20m
Multiple Airlines
Deal found 20/6£968
Sat 14/1106:00
LHR
-
TMS
1 stop11h 30m
TAP AIR PORTUGAL
Fri 4/1220:00
TMS
-
LHR
2 stops25h 35m
TAP AIR PORTUGAL
Deal found 20/6£974
Sat 5/906:00
LHR
-
TMS
1 stop12h 25m
Multiple Airlines
Fri 25/916:15
TMS
-
LHR
2 stops19h 30m
Multiple Airlines
Deal found 20/6£1,006

Find flight deals from Heathrow to São Tomé

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to São Tomé (TMS). 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 23 June 2026.

Round-trip from

£594

One-way from

£589

Popular in

February

Cheapest in

November

Average price

£923
11/11-25/11
  • 11/11-25/11
  • 4 total stops
  • 65h 20m total
  • London to São Tomé
Search Deals
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 5/9
  • 2 total stops
  • 31h 25m total
  • London to São Tomé
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£122 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£33 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to São Tomé 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 23 June 2026.
Use the filters below to find and compare flights from London Heathrow Airport to São Tomé that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Sat 14/11

06:00-17:30

1 stop11h 30m

Sao Tome Is

Fri 4/12

20:00-21:35

2 stops25h 35m

£974
Fastest return journey

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Sat 24/10

19:50-18:15

2 stops23h 25m

Sao Tome Is

Sat 31/10

22:25-11:25

1 stop13h 00m

£1,091

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Thu 12/11

19:55-18:15

2 stops22h 20m

Sao Tome Is

Wed 25/11

20:00-11:25

2 stops15h 25m

£1,136

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Tue 10/11

18:30-18:15

2 stops23h 45m

Sao Tome Is

Wed 25/11

20:00-11:25

2 stops15h 25m

£1,136

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Fri 13/11

18:30-17:30

1 stop23h 00m

Sao Tome Is

Wed 25/11

20:00-17:30

2 stops21h 30m

£1,136
Cheapest one-way
Fastest single journey

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Sat 5/9

11:20-17:45

2 stops31h 25m

£589

Flights are sorted by cheapest return flights first.

Deals found on 20/6

Sorted by cheapest first

Best time to book a flight from Heathrow to São Tomé

Have a flexible travel schedule? Discover the best time to fly to São Tomé from Heathrow 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.

Reviews of airlines servicing São Tomé

Get insights into the airlines that provide service to São Tomé. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to São Tomé. Reviews last updated 23 June 2026.
Check out reviews from past customers who have flown with TAP AIR PORTUGAL from London Heathrow Airport to São Tomé to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
TAP AIR PORTUGAL
7.2
Good
2,294 reviews
Check prices

Food

6.2

Comfort

7.1

Boarding

7.0

Entertainment

6.3

Crew

7.8

Overall

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

LIS - ORD

The check in process at the Lisbon Airport was terrible. The TAP staff was incompetent and directed us incorrectly.
TAP AIR PORTUGAL
7.2
Good
2,294 reviews
TAP AIR PORTUGAL
7.2
Good
2,294 reviews
Check prices

Food

6.2

Comfort

7.1

Boarding

7.0

Entertainment

6.3

Crew

7.8

Overall

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

LIS - ORD

The check in process at the Lisbon Airport was terrible. The TAP staff was incompetent and directed us incorrectly.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to São Tomé. 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 into for flights to São Tomé from London Heathrow?

    Sao Tome Is (TMS) is the airport you will fly into if you book a flight from London Heathrow to São Tomé. You should not have trouble finding flights to Sao Tome Is from London Heathrow; the airport handles an average of 0 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 1 airline has flights to the São Tomé airport from London Heathrow. It is only a 3.1 mi journey from Sao Tome Is (TMS) to São Tomé’s city center.

  • How long is the flight from London Heathrow Airport to São Tomé?

    Departing from London Heathrow Airport to São Tomé will take you 11h 30m. The distance between London Heathrow Airport and São Tomé is about 3552 mi.

  • What is the cheapest airline to fly from London Heathrow Airport to São Tomé round-trip?

    Cheapflights users have booked flights from London Heathrow Airport to São Tomé round-trip from £745. You may be able to fly from London Heathrow Airport to São Tomé for 27% less than the average price by searching for this airline.

  • Can I find deals for flights from Heathrow to São Tomé that include hotel bookings?

    Yes. In addition to deals on Heathrow to São Tomé flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to São Tomé?

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

  • Can I find deals for business class flights from Heathrow to São Tomé?

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

See more FAQs

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Alternative routes for Heathrow to São Tomé

See prices for flight routes from nearby airports that may be better suited for you.
Gatwick to São Tomé flights

Top airline flying from Heathrow to São Tomé

Discover the top airline that operate flights from Heathrow to São Tomé. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 23 June 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest£745Average£869FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to São Tomé?

When you search for this flight from Heathrow to São Tomé, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to São Tomé?

Cheapflights helps you find that perfect flight to São Tomé from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Heathrow to São Tomé with no change fees?

Certainly. Search results for flights to São Tomé from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Heathrow to São Tomé become cheaper?

Yes, Cheapflights offers price alerts on Heathrow to São Tomé flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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