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Cheap flights from London to São Tomé from £361

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — TMS
25 Jun — 2 Jul1
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
Explore the most affordable flight options available from London to São Tomé. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 May 2026.

Sat 12/906:00
LHR
-
TMS
1 stop12h 25m
TAP AIR PORTUGAL
Sat 19/921:35
TMS
-
LHR
1 stop11h 45m
TAP AIR PORTUGAL
Deal found 21/5£1,017
Wed 1/720:00
LGW
-
TMS
2 stops46h 30m
Multiple Airlines
Wed 15/718:20
TMS
-
LGW
2 stops28h 05m
Multiple Airlines
Deal found 24/5£1,077
Fri 5/615:25
LGW
-
TMS
3 stops47h 00m
Multiple Airlines
Fri 26/619:40
TMS
-
LGW
2 stops22h 15m
Multiple Airlines
Deal found 22/5£1,084
Wed 1/718:45
LHR
-
TMS
2 stops47h 45m
Multiple Airlines
Wed 15/718:20
TMS
-
LHR
2 stops23h 30m
Multiple Airlines
Deal found 24/5£1,123
Tue 11/820:10
LGW
-
TMS
2 stops22h 35m
Multiple Airlines
Fri 11/918:20
TMS
-
LGW
2 stops38h 35m
Multiple Airlines
Deal found 23/5£1,179
Fri 5/609:55
LHR
-
TMS
3 stops52h 30m
Multiple Airlines
Fri 26/614:25
TMS
-
LHR
3 stops40h 15m
Multiple Airlines
Deal found 22/5£1,186
Fri 19/618:45
LHR
-
TMS
1 stop23h 40m
TAP AIR PORTUGAL
Fri 26/619:40
TMS
-
LHR
2 stops21h 05m
TAP AIR PORTUGAL
Deal found 22/5£1,229
Fri 19/610:35
LGW
-
TMS
1 stop31h 50m
TAP AIR PORTUGAL
Fri 26/619:40
TMS
-
LGW
2 stops13h 05m
TAP AIR PORTUGAL
Deal found 22/5£1,233
Mon 29/620:25
LGW
-
TMS
2 stops46h 05m
Multiple Airlines
Sun 12/719:40
TMS
-
LGW
2 stops12h 45m
Multiple Airlines
Deal found 24/5£1,250
Tue 11/813:45
LHR
-
TMS
2 stops29h 00m
TAP AIR PORTUGAL
Fri 11/919:40
TMS
-
LHR
2 stops21h 05m
TAP AIR PORTUGAL
Deal found 23/5£1,272
Sat 20/613:45
LHR
-
TMS
2 stops29h 00m
TAP AIR PORTUGAL
Sat 27/621:35
TMS
-
LHR
1 stop17h 00m
TAP AIR PORTUGAL
Deal found 23/5£1,287
Fri 3/718:45
LHR
-
TMS
1 stop23h 40m
Multiple Airlines
Sun 12/719:40
TMS
-
LHR
3 stops17h 45m
Multiple Airlines
Deal found 24/5£1,343

Find flight deals from London to São Tomé

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to São Tomé (TMS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 26 May 2026.

Round-trip from

£874

One-way from

£361

Popular in

December

Cheapest in

April

Average price

£1,103
20/11-2/12
  • 20/11-2/12
  • 3 total stops
  • 27h 40m total
  • London to São Tomé
Search Deals
12/10
  • 12/10
  • 2 total stops
  • 49h 20m total
  • London to São Tomé
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£79 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to São Tomé 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 26 May 2026.
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
Fastest return journey

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Sat 12/9

06:00-17:25

1 stop12h 25m

Sao Tome Is

Sat 19/9

21:35-10:20

1 stop11h 45m

£1,017

LondonSão Tomé

LGW - TMS

LGWTMS

London Gatwick

Fri 5/6

15:25-13:25

3 stops47h 00m

Sao Tome Is

Fri 26/6

19:40-18:55

2 stops22h 15m

£1,084

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Fri 5/6

09:55-13:25

3 stops52h 30m

Sao Tome Is

Fri 26/6

14:25-07:40

3 stops40h 15m

£1,186

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Fri 19/6

19:50-17:25

1 stop22h 35m

Sao Tome Is

Fri 26/6

19:40-10:20

1 stop13h 40m

£1,239

LondonSão Tomé

LGW - TMS

LGWTMS

London Gatwick

Fri 19/6

12:05-17:25

2 stops30h 20m

Sao Tome Is

Fri 26/6

19:40-09:45

2 stops13h 05m

£1,240

LondonSão Tomé

LGW - TMS

LGWTMS

London Gatwick

Tue 11/8

10:35-17:30

2 stops31h 55m

Sao Tome Is

Fri 11/9

18:20-20:25

3 stops25h 05m

£1,263

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Tue 11/8

06:00-05:25

1 stop24h 25m

Sao Tome Is

Fri 11/9

19:40-10:20

2 stops13h 40m

£1,272

LondonSão Tomé

LGW - TMS

LGWTMS

London Gatwick

Sat 20/6

21:15-17:45

3 stops21h 30m

Sao Tome Is

Sat 27/6

21:35-09:00

2 stops34h 25m

£1,286

LondonSão Tomé

LHR - TMS

LHRTMS

London Heathrow

Sat 20/6

13:45-17:45

2 stops29h 00m

Sao Tome Is

Sat 27/6

21:35-15:35

1 stop17h 00m

£1,287

LondonSão Tomé

LGW - TMS

LGWTMS

London Gatwick

Sat 20/6

21:15-17:45

3 stops21h 30m

Sao Tome Is

Sat 27/6

21:35-09:45

1 stop11h 10m

£1,298

Flights are sorted by cheapest return flights first.

Deals found on 25/5

Showing 1-10 of 37 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
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

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 £703). Flying from London to São Tomé in January is currently the most expensive (average of £1,054). 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?

Reviews of airlines servicing São Tomé

Get insights into the airlines that provide service to São Tomé. 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. Reviews last updated 26 May 2026.
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
2,261 reviews
Check prices

Entertainment

6.3

Boarding

7.0

Crew

7.8

Food

6.2

Overall

7.2

Comfort

7.1

Reviews

1 / 20
10.0
Excellent

Melanie,May 2026

ORD - LIS

Seat was comfortable. Food was really good. Service from crew was great. They were really nice and solicitous.
TAP AIR PORTUGAL
7.2
Good
2,261 reviews
TAP AIR PORTUGAL
7.2
Good
2,261 reviews
Check prices

Entertainment

6.3

Boarding

7.0

Crew

7.8

Food

6.2

Overall

7.2

Comfort

7.1

Reviews

1 / 20
10.0
Excellent

Melanie,May 2026

ORD - LIS

Seat was comfortable. Food was really good. Service from crew was great. They were really nice and solicitous.

Related info for your journey

Find useful and relevant information for your journey from London to São Tomé. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 12h 25m. 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 £730. Users have found that TAP AIR PORTUGAL is 28% 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, November is the cheapest month in which you can book a flight from London to São Tomé (average of £703). Flying from London to São Tomé in January is currently the most expensive (average of £1,054). 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

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Alternative routes for London to São Tomé

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to São Tomé flights
Gatwick to São Tomé flights

Top airline flying from London to São Tomé

Discover the top airline that operate flights from London to São Tomé. 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 26 May 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest£730Average£852FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to São Tomé?

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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