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Cheap flights from London to São Tomé from £343

LON — TMS
31 Oct — 7 Nov1
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

Mon 9/1116:20 -
2 stops49h 10m
Fri 13/1118:20 -
2 stops19h 45m
Deal found 29/9£616
Mon 9/1120:20 -
2 stops45h 10m
Fri 13/1118:20 -
2 stops25h 10m
Deal found 29/9£630
Mon 9/1118:30 -
2 stops47h 00m
Fri 13/1118:20 -
2 stops23h 10m
Deal found 29/9£680
Tue 10/1120:10 -
2 stops22h 05m
Fri 13/1120:00 -
2 stops12h 55m
Deal found 29/9£697
Tue 10/1119:45 -
1 stop22h 30m
Fri 13/1120:00 -
1 stop13h 20m
Deal found 29/9£716
Thu 26/1116:10 -
2 stops26h 45m
Sun 6/1220:00 -
2 stops26h 45m
Deal found 26/9£744
Thu 26/1120:05 -
2 stops22h 50m
Sun 6/1220:00 -
2 stops26h 35m
Deal found 26/9£750
Fri 27/1116:10 -
1 stop14h 10m
Sat 5/1207:50 -
1 stop16h 05m
Deal found 26/9£753
Tue 10/1115:05 -
2 stops27h 10m
Fri 13/1120:00 -
2 stops21h 35m
Deal found 29/9£770
Sat 24/1019:50 -
1 stop23h 25m
Sun 1/1120:00 -
2 stops24h 05m
Deal found 27/9£795
Fri 27/1116:25 -
1 stop13h 55m
Sat 5/1207:50 -
1 stop11h 40m
Deal found 26/9£822
Thu 26/1119:55 -
2 stops23h 00m
Sun 6/1220:00 -
2 stops16h 40m
Deal found 26/9£830

Find flight deals from London to São Tomé

Round-trip from

£584

One-way from

£343

Popular in

May

Cheapest in

April

Average price

£918
4/3-14/3
  • 4/3-14/3
  • 4 total stops
  • 53h 45m total
  • London to São Tomé
Search Deals
31/10-31/12
  • 31/10-31/12
  • 2 total stops
  • 21h 20m total
  • London to São Tomé
Search Deals
High demand for flights, 6% potential price rise
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Cheapest flight prices on average. 3% potential price decrease (£31 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 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
Fastest return journey

LondonSão Tomé

STN London Stansted - TMS Sao Tome Is

STNTMS

London Stansted

Sat 31/10

20:55-18:15

2 stops21h 20m

Sao Tome Is

Wed 31/12

00:00-01:00

Nonstop0h 00m

£343

LondonSão Tomé

LTN London Luton - TMS Sao Tome Is

LTNTMS

London Luton

Sat 31/10

07:35-18:15

3 stops34h 40m

Sao Tome Is

Wed 31/12

00:00-01:00

Nonstop0h 00m

£360

LondonSão Tomé

LGW London Gatwick - TMS Sao Tome Is

LGWTMS

London Gatwick

Sat 31/10

09:40-18:15

3 stops32h 35m

Sao Tome Is

Wed 31/12

00:00-01:00

Nonstop0h 00m

£369

LondonSão Tomé

LHR London Heathrow - TMS Sao Tome Is

LHRTMS

London Heathrow

Sat 31/10

18:30-18:15

2 stops23h 45m

Sao Tome Is

Wed 31/12

00:00-01:00

Nonstop0h 00m

£418

LondonSão Tomé

LTN London Luton - TMS Sao Tome Is

LTNTMS

London Luton

Tue 6/10

06:40-17:45

3 stops36h 05m

Sao Tome Is

Wed 31/12

00:00-01:00

Nonstop0h 00m

£501

LondonSão Tomé

LTN London Luton - TMS Sao Tome Is

LTNTMS

London Luton

Thu 8/10

06:05-17:45

3 stops36h 40m

Sao Tome Is

Wed 31/12

00:00-01:00

Nonstop0h 00m

£522

LondonSão Tomé

LTN London Luton - TMS Sao Tome Is

LTNTMS

London Luton

Mon 28/12

17:00-06:20

2 stops37h 20m

Sao Tome Is

Wed 31/12

00:00-01:00

Nonstop0h 00m

£553

LondonSão Tomé

LGW London Gatwick - TMS Sao Tome Is

LGWTMS

London Gatwick

Mon 28/12

07:00-06:20

2 stops47h 20m

Sao Tome Is

Wed 31/12

00:00-01:00

Nonstop0h 00m

£554

LondonSão Tomé

STN London Stansted - TMS Sao Tome Is

STNTMS

London Stansted

Thu 8/10

09:30-17:45

2 stops33h 15m

Sao Tome Is

Wed 31/12

00:00-01:00

Nonstop0h 00m

£579

LondonSão Tomé

STN London Stansted - TMS Sao Tome Is

STNTMS

London Stansted

Mon 28/12

19:35-06:20

2 stops34h 45m

Sao Tome Is

Wed 31/12

00:00-01:00

Nonstop0h 00m

£612

Flights are sorted by cheapest return flights first.

Deals found on 28/9

Showing 1-10 of 44 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 £600). Flying from London to São Tomé in May is currently the most expensive (average of £1,450). 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 £899 and £921 in March.
The cheapest return price found within the last 5 days was £550 on Multiple Airlines (4 Mar–14 Mar).

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
2,385 reviews
Check prices

Entertainment

6.4

Food

6.3

Comfort

7.2

Overall

7.2

Crew

7.8

Boarding

7.0

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
2,385 reviews
TAP AIR PORTUGAL
7.2
Good
2,385 reviews
Check prices

Entertainment

6.4

Food

6.3

Comfort

7.2

Overall

7.2

Crew

7.8

Boarding

7.0

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 23h 45m. 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 £715. 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, April is the cheapest month in which you can book a flight from London to São Tomé (average of £600). Flying from London to São Tomé in May is currently the most expensive (average of £1,450). 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£715Average£863FlexibilityNo 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.

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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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