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Cheap flights from London to São Tomé from £343

LON — TMS
19 Sep — 26 Sep1
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 6/1120:10 -
2 stops45h 20m
Fri 20/1118:20 -
2 stops25h 10m
Deal found 16/8£512
Fri 6/1108:15 -
2 stops57h 15m
Fri 20/1118:20 -
2 stops23h 10m
Deal found 16/8£582
Fri 6/1108:15 -
1 stop33h 15m
Fri 20/1120:00 -
2 stops21h 30m
Deal found 16/8£873
Sat 14/1116:35 -
2 stops25h 40m
Fri 4/1220:00 -
2 stops19h 45m
Deal found 17/8£1,006
Sat 14/1106:00 -
1 stop11h 30m
Fri 4/1220:00 -
2 stops22h 55m
Deal found 17/8£1,007
Sat 19/917:00 -
2 stops25h 45m
Wed 30/919:40 -
2 stops33h 40m
Deal found 17/8£1,030
Sat 19/906:00 -
1 stop12h 25m
Wed 30/907:55 -
1 stop14h 00m
Deal found 17/8£1,089
Wed 30/906:00 -
1 stop12h 45m
Wed 7/1019:40 -
1 stop16h 05m
Deal found 15/8£1,092
Thu 8/1018:45 -
1 stop24h 00m
Sat 31/1022:25 -
1 stop17h 05m
Deal found 18/8£1,133
Wed 23/906:00 -
2 stops12h 45m
Wed 30/919:40 -
2 stops22h 10m
Deal found 15/8£1,137
Tue 25/809:20 -
2 stops21h 05m
Wed 9/912:45 -
3 stops27h 35m
Deal found 19/8£1,934

Find flight deals from London to São Tomé

Round-trip from

£512

One-way from

£343

Popular in

December

Cheapest in

November

Average price

£1,445
6/11-20/11
  • 6/11-20/11
  • 4 total stops
  • 70h 30m total
  • London to São Tomé
Search Deals
16/11
  • 16/11
  • 2 total stops
  • 45h 10m total
  • London to São Tomé
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£54 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£44 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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

LGW London Gatwick - TMS Sao Tome Is

LGWTMS

London Gatwick

Fri 6/11

20:10-17:30

1 stop21h 20m

Sao Tome Is

Fri 20/11

20:00-19:30

2 stops23h 30m

£803
Fastest return journey

LondonSão Tomé

LHR London Heathrow - TMS Sao Tome Is

LHRTMS

London Heathrow

Sat 30/1

06:00-17:30

1 stop11h 30m

Sao Tome Is

Sat 13/2

22:25-11:25

1 stop13h 00m

£983

LondonSão Tomé

LGW London Gatwick - TMS Sao Tome Is

LGWTMS

London Gatwick

Sat 14/11

16:35-18:15

2 stops25h 40m

Sao Tome Is

Fri 4/12

20:00-15:45

2 stops19h 45m

£1,006

LondonSão Tomé

LHR London Heathrow - TMS Sao Tome Is

LHRTMS

London Heathrow

Sat 14/11

18:30-18:15

2 stops23h 45m

Sao Tome Is

Fri 4/12

20:00-22:40

2 stops26h 40m

£1,007

LondonSão Tomé

LGW London Gatwick - TMS Sao Tome Is

LGWTMS

London Gatwick

Sat 19/9

17:00-17:45

2 stops25h 45m

Sao Tome Is

Wed 30/9

19:40-06:20

2 stops33h 40m

£1,030

LondonSão Tomé

LHR London Heathrow - TMS Sao Tome Is

LHRTMS

London Heathrow

Sat 19/9

06:00-17:25

1 stop12h 25m

Sao Tome Is

Wed 30/9

07:55-22:55

1 stop14h 00m

£1,089
Cheapest one-way

LondonSão Tomé

LGW London Gatwick - TMS Sao Tome Is

LGWTMS

London Gatwick

Thu 19/11

10:25-17:30

3 stops31h 05m

£370

LondonSão Tomé

LGW London Gatwick - TMS Sao Tome Is

LGWTMS

London Gatwick

Tue 17/11

13:25-17:30

3 stops28h 05m

£372

LondonSão Tomé

LHR London Heathrow - TMS Sao Tome Is

LHRTMS

London Heathrow

Thu 19/11

09:55-17:30

3 stops31h 35m

£416
Fastest single journey

LondonSão Tomé

LHR London Heathrow - TMS Sao Tome Is

LHRTMS

London Heathrow

Sat 14/11

06:00-17:30

1 stop11h 30m

£530

Flights are sorted by cheapest return flights first.

Deals found on 15/8

Showing 1-10 of 25 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, November is the cheapest month in which you can book a flight from London to São Tomé (average of £738). Flying from London to São Tomé in December is currently the most expensive (average of £1,751). 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 £1,142 and £1,397 in November.
The cheapest return price found within the last 5 days was £512 on Multiple Airlines (6 Nov–20 Nov).

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
2,371 reviews
Check prices

Food

6.3

Crew

7.8

Entertainment

6.4

Boarding

7.0

Overall

7.2

Comfort

7.1

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
2,371 reviews
TAP AIR PORTUGAL
7.2
Good
2,371 reviews
Check prices

Food

6.3

Crew

7.8

Entertainment

6.4

Boarding

7.0

Overall

7.2

Comfort

7.1

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 11h 30m. 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 £699. Users have found that TAP AIR PORTUGAL is 36% 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, November is the cheapest month in which you can book a flight from London to São Tomé (average of £738). Flying from London to São Tomé in December is currently the most expensive (average of £1,751). 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£699Average£843FlexibilityNo 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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