Find flights
When to book
Airlines
FAQs

Cheap flights from London to São Tomé and Príncipe from £324

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — TMS
17 Jan — 24 Jan1
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 18 December 2025.

Sat 27/1206:00LHR - TMS
1 stop11h 30mTAP AIR PORTUGAL
Sat 10/122:25TMS - LHR
1 stop14h 15mTAP AIR PORTUGAL
Deal found 17/12£2,115
Sat 27/1216:35LGW - TMS
2 stops25h 30mTAP AIR PORTUGAL
Sat 10/122:25TMS - LGW
1 stop11h 25mTAP AIR PORTUGAL
Deal found 17/12£2,189
Sat 27/1213:55LHR - TMS
3 stops28h 10mMultiple Airlines
Sat 10/122:25TMS - LHR
2 stops32h 15mMultiple Airlines
Deal found 16/12£4,998

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 18 December 2025.

Round-trip from

£668

One-way from

£324

Popular in

April

Cheapest in

November

Average price

£1,392
24/2-9/3
  • 24/2-9/3
  • 4 total stops
  • 55h 40m total
  • London to São Tomé and Príncipe
Search Deals
10/3
  • 10/3
  • 2 total stops
  • 20h 05m total
  • London to São Tomé and Príncipe
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£74 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£40 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 18 December 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

Sat 21/2

20:15-12:10

2 stops39h 55m

Sao Tome Is

Sun 1/3

20:00-09:05

2 stops13h 05m

£742

LondonSão Tomé

LGW - TMS

LGWTMS

London Gatwick

Fri 27/2

16:25-17:30

1 stop25h 05m

Sao Tome Is

Sun 8/3

20:00-12:10

3 stops16h 10m

£773

LondonSão Tomé

LGW - TMS

LGWTMS

London Gatwick

Fri 27/2

20:05-17:30

1 stop21h 25m

Sao Tome Is

Fri 6/3

13:10-15:45

2 stops26h 35m

£800

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Fri 1/5

18:45-17:25

1 stop23h 40m

Sao Tome Is

Sun 10/5

19:40-10:20

2 stops13h 40m

£809

LondonSão Tomé

LGW - TMS

LGWTMS

London Gatwick

Thu 26/2

16:25-12:10

2 stops19h 45m

Sao Tome Is

Fri 6/3

20:00-08:55

2 stops12h 55m

£814

LondonSão Tomé

LGW - TMS

LGWTMS

London Gatwick

Wed 14/1

15:00-12:10

3 stops45h 10m

Sao Tome Is

Wed 21/1

13:10-21:05

3 stops31h 55m

£826

LondonSão Tomé

LGW - TMS

LGWTMS

London Gatwick

Wed 15/4

21:15-17:40

2 stops45h 25m

Sao Tome Is

Sun 19/4

19:40-09:45

1 stop13h 05m

£867

LondonSão Tomé

LGW - TMS

LGWTMS

London Gatwick

Tue 24/2

20:10-18:05

2 stops21h 55m

Sao Tome Is

Fri 6/3

20:00-08:55

2 stops12h 55m

£880

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Thu 19/2

13:40-12:10

2 stops22h 30m

Sao Tome Is

Mon 2/3

13:10-17:30

2 stops28h 20m

£889

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Thu 26/2

16:30-12:10

2 stops19h 40m

Sao Tome Is

Mon 9/3

13:10-21:35

2 stops32h 25m

£889

Flights are sorted by cheapest return flights first.

Deals found on 14/12

Showing 1-10 of 31 results
1
2
3
4

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 December 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 21% on flights from London to São Tomé and Príncipe by exploring options for tickets at midday.

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 December 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
7.2
Good
2,091 reviews
Check prices

Entertainment

6.3

Food

6.2

Crew

7.8

Boarding

7.0

Overall

7.2

Comfort

7.1

Reviews

1 / 20
8.0
Excellent

Michael,Dec 2025

FNC - LIS

Long wait standing after checking in at the gate Limited juice selection.
TAP AIR PORTUGAL
7.2
Good
2,091 reviews
TAP AIR PORTUGAL
7.2
Good
2,091 reviews
Check prices

Entertainment

6.3

Food

6.2

Crew

7.8

Boarding

7.0

Overall

7.2

Comfort

7.1

Reviews

1 / 20
8.0
Excellent

Michael,Dec 2025

FNC - LIS

Long wait standing after checking in at the gate Limited juice selection.

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 23h 40m. 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to São Tomé and Príncipe

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Lagos flights
Heathrow to Cape Town flights
Gatwick to Lagos flights
Heathrow to Accra flights
Heathrow to OR Tambo flights
Heathrow to Jomo Kenyatta Intl flights
Heathrow to Cairo flights
Heathrow to Marrakech flights
London City to Lagos flights
Stansted to Lagos flights
Gatwick to Marrakech flights
Stansted to Cape Town flights
London City to Cape Town flights
Luton to Lagos flights
Gatwick to Port Louis flights
London City to Marrakech flights
Stansted to Marrakech flights
Gatwick to Accra flights
Luton to Marrakech flights
Gatwick to OR Tambo flights
Gatwick to Algiers flights
Gatwick to Jomo Kenyatta Intl flights
Heathrow to Port Louis flights
Gatwick to Cairo flights
Heathrow to Abuja flights
Stansted to Cairo flights
London City to Accra flights
London City to OR Tambo flights
Manchester to Lagos flights
Gatwick to Cape Town flights
Manchester to Marrakech flights
Stansted to Jomo Kenyatta Intl flights
Stansted to Accra flights
Stansted to OR Tambo flights
Gatwick to Sharm el-Sheikh flights
London City to Jomo Kenyatta Intl flights
Heathrow to Harare flights
London City to Cairo flights
Luton to Sharm el-Sheikh flights
Heathrow to Algiers flights
Stansted to Algiers flights
Luton to Cairo flights
Stansted to Port Louis flights
Gatwick to Hurghada flights
Heathrow to Sharm el-Sheikh flights
Heathrow to Entebbe flights
London City to Algiers flights
Stansted to Sharm el-Sheikh flights
Heathrow to Zanzibar flights
Luton to Jomo Kenyatta Intl flights

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 December 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest£737Average£940FlexibilityNo 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 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.

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

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.