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Cheap flights from London to São Tomé and Príncipe from £731

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — TMS
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheap 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 18 September 2025.

Round-trip from

£717

Popular in

April

Cheapest in

November

Average price

£933
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 4/2-22/2
  • 5 total stops
  • 76h 15m total
  • London to São Tomé and Príncipe
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£43 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£41 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from London to São Tomé and Príncipe

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 18 September 2025.

Fri 17/1006:20LGW - TMS
3 stops36h 00mMultiple Airlines
Fri 24/1013:10TMS - LGW
3 stops30h 05mMultiple Airlines
Deal found 17/9£731
Fri 17/1019:50LHR - TMS
1 stop22h 30mMultiple Airlines
Fri 24/1013:10TMS - LHR
2 stops32h 45mMultiple Airlines
Deal found 17/9£752
Fri 17/1021:15LGW - TMS
3 stops45h 20mTAP AIR PORTUGAL
Fri 24/1019:40TMS - LGW
2 stops13h 05mTAP AIR PORTUGAL
Deal found 17/9£792
Fri 17/1019:50LHR - TMS
1 stop22h 30mTAP AIR PORTUGAL
Fri 24/1019:40TMS - LHR
1 stop25h 20mTAP AIR PORTUGAL
Deal found 17/9£811
Fri 10/1018:45LHR - TMS
1 stop23h 35mTAP AIR PORTUGAL
Sat 25/1021:35TMS - LHR
1 stop13h 50mTAP AIR PORTUGAL
Deal found 16/9£884
Fri 10/1021:15LGW - TMS
3 stops45h 20mTAP AIR PORTUGAL
Sat 25/1021:35TMS - LGW
2 stops36h 30mTAP AIR PORTUGAL
Deal found 16/9£906
Thu 16/1016:35LHR - TMS
2 stops20h 35mMultiple Airlines
Thu 23/1012:30TMS - LHR
3 stops27h 10mMultiple Airlines
Deal found 16/9£1,197
Sat 27/1213:40LHR - TMS
2 stops28h 25mTAP AIR PORTUGAL
Sat 10/122:25TMS - LHR
1 stop24h 15mTAP AIR PORTUGAL
Deal found 16/9£1,410

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 18 September 2025.
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

Fri 17/10

06:20-17:20

3 stops36h 00m

Sao Tome Is

Fri 24/10

13:10-20:15

3 stops30h 05m

£731

LondonSão Tomé

LGW - TMS

LGWTMS

London Gatwick

Wed 4/2

09:35-18:05

3 stops56h 30m

Sao Tome Is

Sun 22/2

20:00-20:35

3 stops24h 35m

£735

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Fri 17/10

19:50-17:20

1 stop22h 30m

Sao Tome Is

Fri 24/10

13:10-22:55

2 stops32h 45m

£752

LondonSão Tomé

LGW - TMS

LGWTMS

London Gatwick

Fri 17/10

21:15-17:35

3 stops45h 20m

Sao Tome Is

Fri 24/10

19:40-09:45

2 stops13h 05m

£792

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Sat 7/2

13:40-18:05

2 stops28h 25m

Sao Tome Is

Sat 21/2

22:25-17:30

1 stop19h 05m

£793

LondonSão Tomé

LGW - TMS

LGWTMS

London Gatwick

Fri 6/2

21:25-18:05

3 stops44h 40m

Sao Tome Is

Sat 21/2

22:25-20:40

2 stops22h 15m

£799

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Fri 6/2

18:30-06:20

1 stop11h 50m

Sao Tome Is

Sat 21/2

07:50-18:55

1 stop11h 05m

£809

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Fri 17/10

19:50-17:20

1 stop22h 30m

Sao Tome Is

Fri 24/10

19:40-22:00

1 stop25h 20m

£811

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Wed 4/2

20:15-17:40

3 stops21h 25m

Sao Tome Is

Sun 22/2

07:00-14:25

3 stops31h 25m

£1,001

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Thu 16/10

16:35-12:10

2 stops20h 35m

Sao Tome Is

Thu 23/10

12:30-16:40

3 stops27h 10m

£1,197

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 12 results
1
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 time of day to fly from LON to ST?

Find hourly flight availability from London to São Tomé and Príncipe. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 September 2025.

When flying from London to São Tomé and Príncipe, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 18 September 2025.
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
1,977 reviews
Check prices

Boarding

7.0

Comfort

7.1

Crew

7.8

Entertainment

6.3

Food

6.2

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Paul,Jun 2025

MIA - LIS

The flight on 2 June was cancelled and all I heard was to pick up bags and return next day. I did not hear or was sent a text message on hotel accommodation that other passengers received.
TAP AIR PORTUGAL
7.1
Good
1,977 reviews
TAP AIR PORTUGAL
7.1
Good
1,977 reviews
Check prices

Boarding

7.0

Comfort

7.1

Crew

7.8

Entertainment

6.3

Food

6.2

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Paul,Jun 2025

MIA - LIS

The flight on 2 June was cancelled and all I heard was to pick up bags and return next day. I did not hear or was sent a text message on hotel accommodation that other passengers received.

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 21h 25m. The distance between London and São Tomé and Príncipe is about 3552 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 Heathrow - Sao Tome Is, London Gatwick - 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest£666Average£921FlexibilityNo 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?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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