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Cheap flights from London to São Tomé from £738

LON — TMS
10 Oct — 17 Oct1
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

Sat 28/1120:20 -
2 stops21h 55m
Wed 9/1218:20 -
2 stops39h 30m
Deal found 5/9£738
Tue 1/1210:30 -
2 stops31h 45m
Wed 9/1218:20 -
2 stops24h 45m
Deal found 5/9£748
Mon 19/1012:05 -
3 stops48h 40m
Fri 30/1018:20 -
3 stops38h 00m
Deal found 9/9£749
Fri 30/1020:10 -
2 stops45h 20m
Sat 7/1122:25 -
1 stop11h 30m
Deal found 5/9£781
Wed 7/1021:15 -
3 stops44h 30m
Wed 14/1012:45 -
3 stops54h 40m
Deal found 6/9£808
Sat 14/1116:35 -
2 stops25h 40m
Fri 4/1220:00 -
2 stops19h 45m
Deal found 7/9£810
Sat 14/1113:40 -
2 stops28h 35m
Fri 4/1220:00 -
2 stops26h 40m
Deal found 7/9£811
Wed 21/1013:45 -
2 stops52h 00m
Wed 28/1018:20 -
2 stops18h 20m
Deal found 6/9£849
Fri 30/1018:30 -
1 stop11h 50m
Sat 7/1107:50 -
1 stop14h 50m
Deal found 5/9£886
Sat 10/1006:00 -
1 stop12h 25m
Wed 14/1019:40 -
2 stops26h 15m
Deal found 9/9£908
Thu 12/1113:40 -
2 stops28h 35m
Sat 21/1122:25 -
1 stop14h 15m
Deal found 6/9£922

Find flight deals from London to São Tomé

Round-trip from

£738

Popular in

May

Cheapest in

April

Average price

£1,007
28/11-9/12
  • 28/11-9/12
  • 4 total stops
  • 61h 25m total
  • London to São Tomé
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High demand for flights, 5% potential price rise
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Cheapest flight prices on average. 3% potential price decrease (£30 potential savings vs. average return price).
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Average for round-trip flights in September 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.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSão Tomé

LHR London Heathrow - TMS Sao Tome Is

LHRTMS

London Heathrow

Sat 14/11

13:40-18:15

2 stops28h 35m

Sao Tome Is

Fri 4/12

20:00-22:40

2 stops26h 40m

£811
Fastest return journey

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

£926

LondonSão Tomé

LHR London Heathrow - TMS Sao Tome Is

LHRTMS

London Heathrow

Thu 12/11

13:40-18:15

2 stops28h 35m

Sao Tome Is

Sat 21/11

22:25-12:40

1 stop14h 15m

£928

LondonSão Tomé

LHR London Heathrow - TMS Sao Tome Is

LHRTMS

London Heathrow

Thu 5/11

18:30-18:15

2 stops23h 45m

Sao Tome Is

Sun 8/11

20:00-21:35

2 stops25h 35m

£972

LondonSão Tomé

LGW London Gatwick - TMS Sao Tome Is

LGWTMS

London Gatwick

Thu 5/11

16:00-18:15

2 stops26h 15m

Sao Tome Is

Sun 8/11

20:00-09:50

2 stops13h 50m

£972

LondonSão Tomé

LHR London Heathrow - TMS Sao Tome Is

LHRTMS

London Heathrow

Tue 23/2

13:40-18:15

2 stops28h 35m

Sao Tome Is

Sat 6/3

22:25-22:40

1 stop24h 15m

£984

LondonSão Tomé

LHR London Heathrow - TMS Sao Tome Is

LHRTMS

London Heathrow

Thu 18/2

19:55-18:15

2 stops22h 20m

Sao Tome Is

Wed 3/3

20:00-15:30

2 stops19h 30m

£1,044

LondonSão Tomé

LHR London Heathrow - TMS Sao Tome Is

LHRTMS

London Heathrow

Tue 16/2

18:30-18:15

2 stops23h 45m

Sao Tome Is

Wed 3/3

20:00-15:30

2 stops19h 30m

£1,044

LondonSão Tomé

LGW London Gatwick - TMS Sao Tome Is

LGWTMS

London Gatwick

Fri 27/11

21:35-18:15

3 stops44h 40m

Sao Tome Is

Wed 9/12

20:00-15:05

2 stops19h 05m

£1,055

LondonSão Tomé

LHR London Heathrow - TMS Sao Tome Is

LHRTMS

London Heathrow

Sat 13/2

19:55-18:15

2 stops22h 20m

Sao Tome Is

Fri 26/2

20:00-12:40

2 stops16h 40m

£1,088

Flights are sorted by cheapest return flights first.

Deals found on 7/9

Sorted by cheapest first

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 £587). Flying from London to São Tomé in August is currently the most expensive (average of £1,406). 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.

How much does it cost for a return flight from London to São Tomé?

Airfare is below average for this route at the moment.
London to São Tomé flights typically cost between £939 and £1,077 in November.
The cheapest return price found within the last 5 days was £738 on Multiple Airlines (28 Nov–9 Dec).

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
2,387 reviews
Check prices

Boarding

7.0

Entertainment

6.4

Comfort

7.2

Food

6.3

Overall

7.2

Crew

7.8

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
2,387 reviews
TAP AIR PORTUGAL
7.2
Good
2,387 reviews
Check prices

Boarding

7.0

Entertainment

6.4

Comfort

7.2

Food

6.3

Overall

7.2

Crew

7.8

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 28h 35m. Your travel time can differ by up to . The distance between London and São Tomé is about 3552 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 £700. Users have found that TAP AIR PORTUGAL is 35% 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 £587). Flying from London to São Tomé in August is currently the most expensive (average of £1,406). 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£700Average£844FlexibilityNo 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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