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Cheap flights from London to São Tomé and Príncipe from £478

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — TMS
16 Mar — 23 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to São Tomé and Príncipe

Enter your travel dates to find the best prices.

Cheapest flights from London to São Tomé and Príncipe
Explore the most affordable flight options available from London to São Tomé and Príncipe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 February 2026.

Tue 10/316:05
LGW
-
TMS
2 stops20h 05m
Multiple Airlines
Wed 18/313:10
TMS
-
LGW
2 stops33h 20m
Multiple Airlines
Deal found 14/2£478
Sun 15/316:25
LGW
-
TMS
2 stops19h 45m
Multiple Airlines
Sun 22/320:00
TMS
-
LGW
2 stops13h 05m
Multiple Airlines
Deal found 13/2£853
Sat 2/513:45
LHR
-
TMS
2 stops29h 00m
TAP AIR PORTUGAL
Sun 10/519:40
TMS
-
LHR
2 stops13h 40m
TAP AIR PORTUGAL
Deal found 13/2£857
Tue 10/310:40
LGW
-
TMS
1 stop31h 25m
TAP AIR PORTUGAL
Wed 18/320:00
TMS
-
LGW
1 stop13h 50m
TAP AIR PORTUGAL
Deal found 14/2£868
Sun 15/306:00
LHR
-
TMS
2 stops12h 05m
TAP AIR PORTUGAL
Sun 22/320:00
TMS
-
LHR
2 stops26h 40m
TAP AIR PORTUGAL
Deal found 13/2£889
Mon 1/621:15
LGW
-
TMS
3 stops45h 25m
TAP AIR PORTUGAL
Wed 10/619:40
TMS
-
LGW
2 stops13h 05m
TAP AIR PORTUGAL
Deal found 10/2£986
Sat 6/616:30
LGW
-
TMS
2 stops26h 15m
TAP AIR PORTUGAL
Wed 10/619:40
TMS
-
LGW
2 stops13h 05m
TAP AIR PORTUGAL
Deal found 13/2£1,090

Find flight deals from London to São Tomé and Príncipe

Keep the following information in mind while searching for London to São Tomé and Príncipe flight deals. Data was last updated 14 February 2026.

Round-trip from

£853

Popular in

March

Cheapest in

November

Average price

£783
15/3-22/3
  • 15/3-22/3
  • 4 total stops
  • 32h 50m total
  • London to São Tomé and Príncipe
Search Deals
High demand for flights, 3% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 14 February 2026.
Use the filters below to find and compare flights from London to São Tomé and Príncipe that are best for you.

Fly from

London

Fly to

São Tomé and Príncipe

Route

Depart

Return

Price

LondonSão Tomé

LGW - TMS

LGWTMS

London Gatwick

Tue 10/3

16:05-12:10

2 stops20h 05m

Sao Tome Is

Wed 18/3

13:10-22:30

2 stops33h 20m

£478

LondonSão Tomé

LGW - TMS

LGWTMS

London Gatwick

Sun 15/3

16:25-12:10

2 stops19h 45m

Sao Tome Is

Sun 22/3

20:00-09:05

2 stops13h 05m

£853

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Sat 2/5

13:45-17:45

2 stops29h 00m

Sao Tome Is

Sun 10/5

19:40-10:20

2 stops13h 40m

£857

LondonSão Tomé

LGW - TMS

LGWTMS

London Gatwick

Tue 10/3

10:40-18:05

1 stop31h 25m

Sao Tome Is

Wed 18/3

20:00-09:50

1 stop13h 50m

£868

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Sun 15/3

06:00-18:05

2 stops12h 05m

Sao Tome Is

Sun 22/3

20:00-22:40

2 stops26h 40m

£897

LondonSão Tomé

LGW - TMS

LGWTMS

London Gatwick

Mon 1/6

21:15-17:40

3 stops45h 25m

Sao Tome Is

Wed 10/6

19:40-09:45

2 stops13h 05m

£986

LondonSão Tomé

LGW - TMS

LGWTMS

London Gatwick

Sat 6/6

16:30-17:45

2 stops26h 15m

Sao Tome Is

Wed 10/6

19:40-09:45

2 stops13h 05m

£1,090

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Mon 1/6

13:45-12:10

2 stops47h 25m

Sao Tome Is

Wed 10/6

13:10-16:40

2 stops26h 30m

£1,140

Flights are sorted by cheapest return flights first.

Deals found on 14/2

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

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

What is the cheapest month to book a flight from London to São Tomé and Príncipe?

Currently, June is the cheapest month in which you can book a flight from London to São Tomé and Príncipe (average of £740). Flying from London to São Tomé and Príncipe in January is currently the most expensive (average of £1,249). 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.

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 14 February 2026.
Check out reviews from past customers who have flown with TAP AIR PORTUGAL from London to São Tomé and Príncipe 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
7.1
Good
2,142 reviews
Check prices

Food

6.2

Boarding

7.0

Overall

7.1

Crew

7.8

Entertainment

6.3

Comfort

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LIS - EWR

Both flights returning to newirk airport was delayed by over a hour with minimum early notification
TAP AIR PORTUGAL
7.1
Good
2,142 reviews
TAP AIR PORTUGAL
7.1
Good
2,142 reviews
Check prices

Food

6.2

Boarding

7.0

Overall

7.1

Crew

7.8

Entertainment

6.3

Comfort

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LIS - EWR

Both flights returning to newirk airport was delayed by over a hour with minimum early notification

Related info for your journey

Find useful and relevant information for your journey from London 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 to São Tomé and Príncipe?

    Departing from London to São Tomé and Príncipe will take you 29h. The distance between London and São Tomé and Príncipe is about 3552 mi.

  • What are the most popular routes from London to São Tomé and Príncipe?

    When deciding which route to take from London to São Tomé and Príncipe consider London Gatwick - Sao Tome Is, London Heathrow - Sao Tome Is or London City - Sao Tome Is as they are the most popular.

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

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

  • How can I find direct flights from London 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 London to São Tomé and Príncipe.

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

    Yes. Cheapflights offers flight deals from London 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.

  • What is the cheapest month to book a flight from London to São Tomé and Príncipe?

    Currently, June is the cheapest month in which you can book a flight from London to São Tomé and Príncipe (average of £740). Flying from London to São Tomé and Príncipe in January is currently the most expensive (average of £1,249). 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

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Alternative routes for London to São Tomé and Príncipe

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Top airline flying from London to São Tomé and Príncipe

Discover the top airline that operate flights from London 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 14 February 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest£749Average£888FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights

Fly with Cheapflights

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

When you search for this flight from London to São Tomé and Príncipe, 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.

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It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to São Tomé and Príncipe.

Can Cheapflights find flights from London to São Tomé and Príncipe with no change fees?

Yes! Cheapflights helps users easily find flights from London to São Tomé and Príncipe with no change fees.

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

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