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Cheap flights from London Heathrow Airport to São Tomé and Príncipe from £423

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 16/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — TMS
21 Jun — 28 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to São Tomé and Príncipe

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to São Tomé and Príncipe
Explore the most affordable flight options available from Heathrow to São Tomé and Príncipe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 May 2026.

Fri 13/1119:55
LHR
-
TMS
2 stops41h 30m
Multiple Airlines
Sun 22/1114:25
TMS
-
LHR
2 stops32h 15m
Multiple Airlines
Deal found 20/5£920
Wed 9/906:00
LHR
-
TMS
1 stop12h 45m
TAP AIR PORTUGAL
Wed 30/919:40
TMS
-
LHR
1 stop13h 40m
TAP AIR PORTUGAL
Deal found 17/5£984
Fri 13/1119:55
LHR
-
TMS
1 stop21h 35m
TAP AIR PORTUGAL
Sun 22/1120:00
TMS
-
LHR
1 stop16h 40m
TAP AIR PORTUGAL
Deal found 20/5£1,017
Sat 12/906:00
LHR
-
TMS
1 stop12h 25m
TAP AIR PORTUGAL
Sat 19/921:35
TMS
-
LHR
1 stop11h 45m
TAP AIR PORTUGAL
Deal found 21/5£1,022
Wed 24/619:25
LHR
-
TMS
3 stops43h 00m
Multiple Airlines
Sun 28/614:25
TMS
-
LHR
2 stops39h 05m
Multiple Airlines
Deal found 18/5£1,104
Wed 2/906:00
LHR
-
TMS
1 stop12h 45m
TAP AIR PORTUGAL
Sat 19/921:35
TMS
-
LHR
1 stop24h 20m
TAP AIR PORTUGAL
Deal found 18/5£1,127

Find flight deals from Heathrow to São Tomé and Príncipe

Keep the following information in mind while searching for Heathrow to São Tomé and Príncipe flight deals. Data was last updated 22 May 2026.

Round-trip from

£920

One-way from

£423

Popular in

December

Cheapest in

April

Average price

£1,109
13/11-22/11
  • 13/11-22/11
  • 4 total stops
  • 73h 45m total
  • London to São Tomé and Príncipe
Search Deals
16/10
  • 16/10
  • 2 total stops
  • 42h 35m total
  • London to São Tomé and Príncipe
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£81 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to São Tomé and Príncipe 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 22 May 2026.
Use the filters below to find and compare flights from London Heathrow Airport to São Tomé and Príncipe that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Wed 9/9

06:00-17:45

1 stop12h 45m

Sao Tome Is

Wed 30/9

19:40-10:20

1 stop13h 40m

£984

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Sat 13/6

19:50-17:45

2 stops22h 55m

Sao Tome Is

Sat 20/6

21:35-14:25

2 stops15h 50m

£1,175

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Sat 13/6

13:45-17:45

1 stop29h 00m

Sao Tome Is

Sat 20/6

21:35-22:55

1 stop24h 20m

£1,181

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Fri 3/7

18:45-17:25

1 stop23h 40m

Sao Tome Is

Fri 10/7

19:40-22:00

1 stop25h 20m

£1,191

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Sat 4/7

06:00-17:25

1 stop12h 25m

Sao Tome Is

Sat 11/7

21:35-14:25

2 stops15h 50m

£1,305

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Fri 3/7

20:50-17:25

2 stops21h 35m

Sao Tome Is

Fri 10/7

19:40-10:20

2 stops13h 40m

£1,427

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Tue 4/8

13:45-05:25

1 stop16h 40m

Sao Tome Is

Wed 9/9

07:55-10:20

1 stop25h 25m

£1,492
Cheapest one-way

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Fri 16/10

19:50-13:25

2 stops42h 35m

£423

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Mon 15/6

19:50-13:25

2 stops42h 35m

£507
Fastest single journey

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Tue 15/9

20:00-17:45

3 stops22h 45m

£511

Flights are sorted by cheapest return flights first.

Deals found on 17/5

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Best time to book a flight from Heathrow to São Tomé and Príncipe

Have a flexible travel schedule? Discover the best time to fly to São Tomé and Príncipe 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.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to São Tomé and Príncipe
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing São Tomé and Príncipe

Get insights into the airlines that provide service to São Tomé and Príncipe. 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 and Príncipe. Reviews last updated 22 May 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to São Tomé and Príncipe, such as TAP AIR PORTUGAL. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
TAP AIR PORTUGAL
7.2
Good
2,257 reviews
Check prices

Comfort

7.1

Entertainment

6.3

Overall

7.2

Boarding

7.0

Food

6.2

Crew

7.8

Reviews

1 / 20
4.0
Okay

Maxime,Nov 2025

EWR - LIS

The solo business class seat as part of the 4x2 configuration is very cramped. Do not recommend choosing this.
TAP AIR PORTUGAL
7.2
Good
2,257 reviews
TAP AIR PORTUGAL
7.2
Good
2,257 reviews
Check prices

Comfort

7.1

Entertainment

6.3

Overall

7.2

Boarding

7.0

Food

6.2

Crew

7.8

Reviews

1 / 20
4.0
Okay

Maxime,Nov 2025

EWR - LIS

The solo business class seat as part of the 4x2 configuration is very cramped. Do not recommend choosing this.

Related info for your journey

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

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

    There are many flights that can get you from London Heathrow Airport to São Tomé and Príncipe in 12h 45m. Fly via TAP AIR PORTUGAL to get the fastest option. Airlines will cover a distance of 3552 mi.

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

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

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

    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 and Príncipe.

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

    Yes. Cheapflights offers flight deals from Heathrow to São Tomé and Príncipe 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 and Príncipe

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Heathrow to São Tomé and Príncipe

Discover the top airline that operate flights from Heathrow to São Tomé and Príncipe. 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 22 May 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest£734Average£857FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to São Tomé and Príncipe. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights helps you find that perfect flight to São Tomé and Príncipe 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 and Príncipe with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to São Tomé and Príncipe, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Heathrow to São Tomé and Príncipe flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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