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Cheap flights from London to São Tomé and Príncipe from £328

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 14/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — TMS
17 Dec — 24 Dec1
1 adult
1 adult, Economy, 0 bags

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 17 November 2025.

Round-trip from

£600

One-way from

£328

Popular in

April

Cheapest in

November

Average price

£696
18/2-25/2
  • 18/2-25/2
  • 6 total stops
  • 72h 50m total
  • London to São Tomé and Príncipe
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14/1
  • 14/1
  • 2 total stops
  • 50h 00m total
  • London to São Tomé and Príncipe
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£49 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£43 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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Find 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 17 November 2025.

Fri 5/1221:25LGW - TMS
3 stops44h 40mTAP AIR PORTUGAL
Wed 17/1220:00TMS - LGW
2 stops19h 05mTAP AIR PORTUGAL
Deal found 16/11£1,115
Fri 5/1217:05LGW - TMS
3 stops49h 00mTurkish Airlines
Sun 21/1220:00TMS - LGW
3 stops37h 20mTurkish Airlines
Deal found 16/11£1,127
Sat 6/1216:25LGW - TMS
2 stops25h 40mMultiple Airlines
Wed 17/1220:00TMS - LGW
2 stops13h 45mMultiple Airlines
Deal found 16/11£1,128
Sat 6/1206:15LGW - TMS
3 stops35h 50mTurkish Airlines
Wed 17/1220:00TMS - LGW
3 stops37h 20mTurkish Airlines
Deal found 16/11£1,148
Fri 5/1219:55LHR - TMS
1 stop21h 35mTAP AIR PORTUGAL
Wed 17/1220:00TMS - LHR
2 stops21h 30mTAP AIR PORTUGAL
Deal found 16/11£1,152
Fri 5/1222:35LHR - TMS
3 stops43h 30mTurkish Airlines
Wed 17/1220:00TMS - LHR
3 stops37h 55mTurkish Airlines
Deal found 16/11£1,159
Sat 6/1206:35LHR - TMS
3 stops35h 30mTurkish Airlines
Wed 17/1220:00TMS - LHR
3 stops42h 45mTurkish Airlines
Deal found 16/11£1,179
Sat 6/1216:35LGW - TMS
2 stops25h 30mTAP AIR PORTUGAL
Wed 17/1220:00TMS - LGW
3 stops38h 00mTAP AIR PORTUGAL
Deal found 16/11£1,200
Sat 6/1216:35LGW - TMS
2 stops25h 30mMultiple Airlines
Sun 21/1220:00TMS - LGW
2 stops13h 50mMultiple Airlines
Deal found 16/11£1,210
Sat 6/1222:30LGW - TMS
3 stops19h 35mMultiple Airlines
Sat 20/1222:25TMS - LGW
1 stop11h 25mMultiple Airlines
Deal found 16/11£1,214
Fri 5/1219:55LHR - TMS
1 stop21h 35mTAP AIR PORTUGAL
Fri 19/1220:00TMS - LHR
2 stops16h 40mTAP AIR PORTUGAL
Deal found 16/11£1,228
Mon 1/1210:00LGW - TMS
3 stops31h 40mEthiopian Air
Wed 17/1207:00TMS - LGW
3 stops22h 40mEthiopian Air
Deal found 16/11£1,232

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 17 November 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

Wed 18/2

19:50-12:10

3 stops40h 20m

Sao Tome Is

Wed 25/2

13:10-21:40

3 stops32h 30m

£600

LondonSão Tomé

LGW - TMS

LGWTMS

London Gatwick

Tue 24/3

11:00-12:10

3 stops25h 10m

Sao Tome Is

Wed 8/4

13:10-17:55

3 stops27h 45m

£637

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Tue 24/3

13:40-12:10

2 stops22h 30m

Sao Tome Is

Wed 8/4

13:10-12:45

2 stops22h 35m

£649

LondonSão Tomé

LGW - TMS

LGWTMS

London Gatwick

Sat 21/2

19:55-12:10

3 stops40h 15m

Sao Tome Is

Sun 1/3

20:00-09:05

1 stop13h 05m

£661

LondonSão Tomé

LGW - TMS

LGWTMS

London Gatwick

Sat 25/4

16:30-17:40

1 stop26h 10m

Sao Tome Is

Sat 2/5

21:35-20:25

2 stops21h 50m

£815

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Sat 21/2

13:40-18:05

2 stops28h 25m

Sao Tome Is

Sun 1/3

20:00-21:35

2 stops25h 35m

£819

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Sat 25/4

19:50-17:40

2 stops22h 50m

Sao Tome Is

Sat 2/5

21:35-14:15

2 stops15h 40m

£862

LondonSão Tomé

LGW - TMS

LGWTMS

London Gatwick

Wed 18/2

09:35-18:05

2 stops56h 30m

Sao Tome Is

Wed 25/2

20:00-09:50

1 stop13h 50m

£910

LondonSão Tomé

LGW - TMS

LGWTMS

London Gatwick

Wed 4/3

09:35-18:05

3 stops56h 30m

Sao Tome Is

Fri 20/3

20:00-15:45

2 stops19h 45m

£929

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Wed 18/2

19:25-18:05

3 stops46h 40m

Sao Tome Is

Wed 25/2

20:00-17:00

3 stops21h 00m

£942

Flights are sorted by cheapest return flights first.

Deals found on 15/11

Showing 1-10 of 19 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 17 November 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 17 November 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
2,062 reviews
Check prices

Overall

7.1

Crew

7.8

Boarding

7.0

Comfort

7.1

Entertainment

6.3

Food

6.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Sept 2025

MAD - LIS

Like the onboard attendants I don’t like that they change gate at the last minute And neither the way to get to the airplane by bus, I understand is not airline issue
TAP AIR PORTUGAL
7.1
Good
2,062 reviews
TAP AIR PORTUGAL
7.1
Good
2,062 reviews
Check prices

Overall

7.1

Crew

7.8

Boarding

7.0

Comfort

7.1

Entertainment

6.3

Food

6.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Sept 2025

MAD - LIS

Like the onboard attendants I don’t like that they change gate at the last minute And neither the way to get to the airplane by bus, I understand is not airline issue

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 26h 10m. The distance between London and São Tomé and Príncipe is about 3529 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 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

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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 17 November 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest£690Average£939FlexibilityNo 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?

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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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