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Cheap flights from London to São Tomé from £637

LON — TMS
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to São Tomé

Enter your travel dates to find the best prices.

Cheapest flights from London to São Tomé

Fri 13/1112:50 -
1 stop17h 30m
Sat 21/1107:50 -
1 stop16h 05m
Deal found 3/11£719
Sat 14/1120:55 -
2 stops21h 20m
Fri 20/1120:00 -
2 stops13h 20m
Deal found 3/11£787
Fri 13/1115:55 -
1 stop14h 25m
Sat 21/1107:50 -
1 stop11h 40m
Deal found 3/11£809
Tue 17/1119:45 -
2 stops22h 30m
Sun 22/1120:00 -
2 stops27h 50m
Deal found 3/11£828
Sat 14/1112:25 -
2 stops23h 10m
Fri 4/1212:35 -
2 stops30h 20m
Deal found 3/11£829
Fri 13/1121:35 -
2 stops19h 55m
Sat 21/1122:25 -
1 stop11h 25m
Deal found 3/11£833
Sat 14/1116:35 -
2 stops19h 00m
Fri 4/1212:35 -
2 stops45h 15m
Deal found 3/11£834
Fri 13/1118:30 -
1 stop11h 50m
Sat 21/1107:50 -
1 stop13h 45m
Deal found 3/11£838
Sat 14/1106:00 -
1 stop11h 30m
Sun 22/1120:00 -
2 stops21h 30m
Deal found 3/11£855
Sat 14/1118:30 -
2 stops23h 45m
Fri 4/1220:00 -
2 stops26h 40m
Deal found 2/11£857
Mon 16/1121:35 -
2 stops44h 40m
Sun 22/1120:00 -
1 stop13h 50m
Deal found 3/11£861
Sat 14/1116:35 -
2 stops25h 40m
Fri 4/1220:00 -
3 stops36h 20m
Deal found 2/11£866

Find flight deals from London to São Tomé

Round-trip from

£561

Popular in

July

Cheapest in

April

Average price

£747
12/3-20/3
  • 12/3-20/3
  • 2 total stops
  • 26h 50m total
  • London to São Tomé
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£255 potential increase over avg. return price).
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Cheapest flight prices on average. 7% potential price decrease (£63 potential savings vs. average return price).
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Average for round-trip flights in November 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London to São Tomé that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

LondonSão Tomé

STN London Stansted - TMS Sao Tome Is

STNTMS

London Stansted

Tue 15/12

11:00-08:20

2 stops21h 20m

Sao Tome Is

Wed 31/12

00:00-01:00

Nonstop0h 00m

£637

LondonSão Tomé

STN London Stansted - TMS Sao Tome Is

STNTMS

London Stansted

Mon 14/12

19:50-08:20

2 stops36h 30m

Sao Tome Is

Wed 31/12

00:00-01:00

Nonstop0h 00m

£677

LondonSão Tomé

LGW London Gatwick - TMS Sao Tome Is

LGWTMS

London Gatwick

Tue 15/12

16:25-08:20

2 stops15h 55m

Sao Tome Is

Wed 31/12

00:00-01:00

Nonstop0h 00m

£681

LondonSão Tomé

STN London Stansted - TMS Sao Tome Is

STNTMS

London Stansted

Fri 13/11

12:50-06:20

1 stop17h 30m

Sao Tome Is

Sat 21/11

07:50-23:55

1 stop16h 05m

£719

LondonSão Tomé

STN London Stansted - TMS Sao Tome Is

STNTMS

London Stansted

Fri 15/1

16:10-06:20

1 stop14h 10m

Sao Tome Is

Sat 23/1

07:50-23:55

1 stop16h 05m

£773

LondonSão Tomé

LGW London Gatwick - TMS Sao Tome Is

LGWTMS

London Gatwick

Mon 14/12

11:00-08:20

3 stops45h 20m

Sao Tome Is

Wed 31/12

00:00-01:00

Nonstop0h 00m

£824

LondonSão Tomé

LGW London Gatwick - TMS Sao Tome Is

LGWTMS

London Gatwick

Sat 14/11

10:10-18:15

3 stops32h 05m

Sao Tome Is

Fri 4/12

20:00-08:20

3 stops36h 20m

£878

LondonSão Tomé

LGW London Gatwick - TMS Sao Tome Is

LGWTMS

London Gatwick

Thu 12/11

16:00-18:55

2 stops26h 55m

Sao Tome Is

Sat 21/11

22:25-09:50

1 stop11h 25m

£880

LondonSão Tomé

LHR London Heathrow - TMS Sao Tome Is

LHRTMS

London Heathrow

Tue 17/11

18:30-18:15

2 stops23h 45m

Sao Tome Is

Sat 28/11

22:25-22:40

1 stop24h 15m

£883

LondonSão Tomé

LHR London Heathrow - TMS Sao Tome Is

LHRTMS

London Heathrow

Tue 23/2

18:30-18:15

2 stops23h 45m

Sao Tome Is

Fri 5/3

20:00-17:30

2 stops21h 30m

£974

Flights are sorted by cheapest return flights first.

Deals found on 1/11

Showing 1-10 of 29 resultsSorted by cheapest first
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Best time to book a flight from London to São Tomé

Have a flexible travel schedule? Discover the best time to fly to São Tomé from London with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from London to São Tomé

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

Currently, April is the cheapest month in which you can book a flight from London to São Tomé (average of £593). Flying from London to São Tomé in July is currently the most expensive (average of £2,125). 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

Get a feel of what it's like to fly with TAP AIR PORTUGAL from London to São Tomé by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
TAP AIR PORTUGAL
7.2
Good
2,394 reviews
Check prices

Entertainment

6.4

Food

6.3

Comfort

7.2

Boarding

7.1

Crew

7.8

Overall

7.2

Reviews

1 / 20
4.0
Okay

Bhairav,Jun 2026

LHR - LIS

Flew business. Uncomfortable seats and so so food and drink. Only thing attractive was the price.
TAP AIR PORTUGAL
7.2
Good
2,394 reviews
TAP AIR PORTUGAL
7.2
Good
2,394 reviews
Check prices

Entertainment

6.4

Food

6.3

Comfort

7.2

Boarding

7.1

Crew

7.8

Overall

7.2

Reviews

1 / 20
4.0
Okay

Bhairav,Jun 2026

LHR - LIS

Flew business. Uncomfortable seats and so so food and drink. Only thing attractive was the price.

Related info for your journey

  • What airport do you fly into for flights to São Tomé from London?

    Most people fly into Sao Tome Is (TMS) if they book a flight to São Tomé from London. On average, Sao Tome Is has 0 inbound flights from London per day from 1 airline. Sao Tome Is is conveniently located just 3.1 mi from São Tomé’s city center.

  • How long is the flight from London to São Tomé?

    TAP AIR PORTUGAL can get you from London to São Tomé in just under 32h 05m. Your travel time can differ by up to . The distance between London and São Tomé is about 3529 mi.

  • What is the cheapest airline to fly from London to São Tomé round-trip?

    Cheapflights users have booked flights from London to São Tomé round-trip from £707. Users have found that TAP AIR PORTUGAL is 41% cheaper than the other options available to this destination.

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

    While some choose either London Gatwick - Sao Tome Is or London City - Sao Tome Is, London Heathrow - Sao Tome Is is the most popular route from London to São Tomé.

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

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

  • How can I find direct flights from London to São Tomé?

    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.

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

    Yes. Cheapflights offers flight deals from London to São Tomé 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?

    Currently, April is the cheapest month in which you can book a flight from London to São Tomé (average of £593). Flying from London to São Tomé in July is currently the most expensive (average of £2,125). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for London to São Tomé

Heathrow to São Tomé flights
Gatwick to São Tomé flights

Top airline flying from London to São Tomé

AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest£707Average£1,073FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights

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Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London to São Tomé. 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 London to São Tomé?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to São Tomé from London.

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

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

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

Yes, Cheapflights offers price alerts on London to São Tomé flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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