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Cheap flights from London to São Tomé from £353

LON — TMS
12 Dec — 19 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 13/1120:10 -
1 stop21h 20m
Sat 21/1122:25 -
2 stops35h 40m
Deal found 7/11£720
Fri 13/1116:10 -
1 stop14h 10m
Sat 21/1107:50 -
1 stop16h 05m
Deal found 7/11£764
Fri 13/1106:00 -
1 stop24h 20m
Sat 21/1107:50 -
1 stop13h 45m
Deal found 7/11£771
Sat 14/1120:15 -
2 stops22h 00m
Sun 29/1120:00 -
2 stops13h 05m
Deal found 9/11£788
Sat 14/1113:40 -
2 stops21h 55m
Sun 29/1112:35 -
2 stops34h 05m
Deal found 9/11£827
Sat 14/1106:00 -
1 stop11h 30m
Sun 29/1120:00 -
1 stop16h 40m
Deal found 9/11£857
Fri 13/1121:35 -
2 stops19h 55m
Sat 21/1122:25 -
2 stops22h 15m
Deal found 7/11£896
Sat 14/1116:35 -
2 stops25h 40m
Fri 4/1220:00 -
2 stops19h 45m
Deal found 9/11£904
Sat 14/1118:30 -
2 stops23h 45m
Fri 4/1220:00 -
2 stops26h 40m
Deal found 9/11£905
Thu 12/1116:00 -
2 stops26h 55m
Sat 21/1122:25 -
1 stop11h 25m
Deal found 7/11£906
Thu 12/1116:30 -
2 stops26h 25m
Sat 21/1122:25 -
1 stop24h 15m
Deal found 10/11£908
Sat 14/1116:35 -
2 stops19h 00m
Fri 4/1212:35 -
3 stops43h 45m
Deal found 10/11£915

Find flight deals from London to São Tomé

Round-trip from

£542

One-way from

£353

Popular in

July

Cheapest in

April

Average price

£753
1/2-10/2
  • 1/2-10/2
  • 4 total stops
  • 69h 45m total
  • London to São Tomé
Search Deals
30/12-31/12
  • 30/12-31/12
  • 2 total stops
  • 52h 45m total
  • London to São Tomé
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£259 potential increase over avg. return price).
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Cheapest flight prices on average. 7% potential price decrease (£64 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.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSão Tomé

STN London Stansted - TMS Sao Tome Is

STNTMS

London Stansted

Wed 30/12

06:50-11:35

2 stops52h 45m

Sao Tome Is

Wed 31/12

00:00-01:00

Nonstop0h 00m

£353

LondonSão Tomé

LGW London Gatwick - TMS Sao Tome Is

LGWTMS

London Gatwick

Mon 1/2

20:20-11:35

2 stops39h 15m

Sao Tome Is

Wed 10/2

12:35-19:05

2 stops30h 30m

£542

LondonSão Tomé

LHR London Heathrow - TMS Sao Tome Is

LHRTMS

London Heathrow

Mon 1/2

18:30-11:35

2 stops41h 05m

Sao Tome Is

Wed 10/2

12:35-17:30

2 stops28h 55m

£570

LondonSão Tomé

STN London Stansted - TMS Sao Tome Is

STNTMS

London Stansted

Sun 13/12

13:35-17:30

3 stops27h 55m

Sao Tome Is

Wed 31/12

00:00-01:00

Nonstop0h 00m

£642

LondonSão Tomé

STN London Stansted - TMS Sao Tome Is

STNTMS

London Stansted

Tue 29/12

08:40-17:30

3 stops32h 50m

Sao Tome Is

Wed 31/12

00:00-01:00

Nonstop0h 00m

£642

LondonSão Tomé

LHR London Heathrow - TMS Sao Tome Is

LHRTMS

London Heathrow

Mon 28/12

20:50-08:20

3 stops35h 30m

Sao Tome Is

Wed 31/12

00:00-01:00

Nonstop0h 00m

£838

LondonSão Tomé

STN London Stansted - TMS Sao Tome Is

STNTMS

London Stansted

Thu 24/12

07:00-18:55

3 stops35h 55m

Sao Tome Is

Wed 31/12

00:00-01:00

Nonstop0h 00m

£846

LondonSão Tomé

LHR London Heathrow - TMS Sao Tome Is

LHRTMS

London Heathrow

Tue 29/12

17:15-17:30

2 stops24h 15m

Sao Tome Is

Wed 31/12

00:00-01:00

Nonstop0h 00m

£879

LondonSão Tomé

STN London Stansted - TMS Sao Tome Is

STNTMS

London Stansted

Sat 13/2

18:40-18:15

2 stops23h 35m

Sao Tome Is

Wed 24/2

20:00-15:35

1 stop19h 35m

£885

LondonSão Tomé

LHR London Heathrow - TMS Sao Tome Is

LHRTMS

London Heathrow

Mon 14/12

18:30-08:20

2 stops37h 50m

Sao Tome Is

Wed 31/12

00:00-01:00

Nonstop0h 00m

£969

Flights are sorted by cheapest return flights first.

Deals found on 10/11

Showing 1-10 of 34 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 £598). Flying from London to São Tomé in July is currently the most expensive (average of £2,142). 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
2,398 reviews
Check prices

Overall

7.2

Entertainment

6.4

Food

6.3

Boarding

7.1

Crew

7.8

Comfort

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
2,398 reviews
TAP AIR PORTUGAL
7.2
Good
2,398 reviews
Check prices

Overall

7.2

Entertainment

6.4

Food

6.3

Boarding

7.1

Crew

7.8

Comfort

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 26h 55m. 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 £713. 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 Heathrow - Sao Tome Is or London City - Sao Tome Is, London Gatwick - 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 £598). Flying from London to São Tomé in July is currently the most expensive (average of £2,142). 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£713Average£1,081FlexibilityNo 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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