What is the cheapest month to fly to Sao Tome?

On average, October is the cheapest month to fly to Sao Tome, with return fares around £1,121, and September is another good-value option at about £1,409. Prices peak in December, when return tickets average around £1,755 because of higher demand. If your travel dates are flexible, shifting your trip into a cheaper month can save you a meaningful amount.

Which airlines provide the cheapest flights to Sao Tome?

Recently, the cheapest return tickets to Sao Tome were found on TAP Air Portugal (from £1,121). The lowest-priced carrier can change from week to week depending on availability and demand. Comparing a few airlines for your exact dates is the best way to secure the cheapest fare.

How long is the flight to Sao Tome?

On average, a flight from London to Sao Tome takes around 27h 02m, covering roughly 3,558 miles. Total travel time depends on whether you fly direct or connect, and which UK airport you leave from. Direct services are the fastest, while connecting flights add the length of the layover.

What time do flights to Sao Tome depart?

Flights to Sao Tome depart London from as early as 8:00 AM (arriving 5:45 PM) right through to a latest departure of 9:20 PM (arriving 5:45 PM). That spread lets you choose an early start to make the most of your first day, or a later flight if you'd rather not rush. Exact departure times vary by airline and day, so check the schedule for your specific dates.

What is the rainfall in Sao Tome by month?

October is typically the wettest month in Sao Tome, with around 467 mm of rain, while July is the driest at roughly 28 mm. If you'd rather avoid the wet season, planning your trip around the drier months makes for easier sightseeing. Either way, packing light rain gear for the wetter months is always worth doing.

What is the temperature in Sao Tome by month?

Sao Tome is warmest around May, when temperatures average about 26.9°C, and coolest around August at roughly 25.4°C. If you're chasing warm weather aim for the hotter months; if you prefer milder conditions, the cooler part of the year is more comfortable. Checking the forecast close to departure will help you pack right.

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Everything you should know

Cheapest airline

£1121

Typical: £1121–£1755

TAP Air Portugal

Fastest via 1 stop

View deals

When to travel

October

Cheapest · 22% price drop

December

Priciest month

Good to know

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Booking Insights

Insights & trends for London to Sao Tome flights

Data-powered insights to help you find the cheapest flights, the best time to fly and much more.

Live insights for Sao Tome are still being compiled (8/37) — more charts appear as data arrives.

How much is a return flight from London to Sao Tome?

Return flights from London to Sao Tome typically cost between £1121 and £1755 in August, though fares move with demand, season and how early you book. The lowest fare our search found recently was £1121 — a great price and well below the usual range, so a price near this is worth grabbing. Keeping your dates flexible and comparing nearby days is the easiest way to land at the cheaper end.

£1121 is a great price

£1121£1755

What is the cheapest time of day to fly to Sao Tome?

Flights to Sao Tome are generally cheapest departing in midday, with fares from around £1121. Departures in the morning tend to cost more (about £1126), as those slots are more convenient and in higher demand. Picking an off-peak departure time is a simple way to trim the price without changing your dates.

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Price calendar

Average return fare to Sao Tome by month

The cheapest month to fly from London to Sao Tome is typically October, with return economy fares from £1121. Fares are usually highest in December (around £1755). Figures are indicative, from sampled live fares, and change with demand.

Cheapest sampled return economy fare, London to Sao Tome, per month (gaps estimated). Search live for exact prices.

When to book flights from London to Sao Tome

Are your dates flexible? These are the ideal times to fly to Sao Tome based on our flight data — find the cheapest days for a 7-day trip.

Estimated return priceiWe estimate the cheapest price for each departure date to Sao Tome, for trips up to 120 days ahead. Some are predictions and actual prices may vary — tap Search for live fares.

£1121

Depart Thu 1/10

7-day trip

SeptemberOctober

£1409£1265£1121

Estimated prices for

7-day trips

Weather in Sao Tome

Weather Unit:

Monday

Drizzle

28°C

31/08/2026

Tuesday

Drizzle

29°C

01/09/2026

Wednesday

Drizzle

28°C

02/09/2026

Thursday

Drizzle

28°C

03/09/2026

Friday

Drizzle

29°C

04/09/2026

Saturday

Drizzle

28°C

05/09/2026

Sunday

Drizzle

27°C

06/09/2026

Good to know — flights from London to Sao Tome

Low season

October

Best time to beat the crowds (22% less expensive on average)

High season

December

Most popular time to fly (23% more expensive on average)

Cheapest flight

£1121

Flight from London to Sao Tome

Average price round-trip

£1409

avg. price across recent searches

Good deal return

£1121

or less

Good deal one-way

£695

or less

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Baggage

Baggage & hand-luggage allowance for flights to Sao Tome

Your allowance to Sao Tome depends on the airline and the fare you book. The table below shows typical long-haul allowances so you know roughly what to expect — always confirm the exact limits with your airline before you fly.

Typical hand and checked baggage allowance by fare type for flights to Sao Tome.
Fare type	Hand baggage	Checked baggage
Basic / Light economy	1 small under-seat bag	Usually none — add for a fee
Standard economy	1 cabin bag + 1 personal item	Typically 1 × 23 kg
Premium economy	1–2 cabin bags + personal item	Typically 2 × 23 kg
Business / First	2 cabin bags + personal item	Typically 2 × 32 kg

Indicative only. Allowances vary by airline, route and fare — always check your airline's baggage policy.

Packing & baggage tips

Full-service carriers (e.g. British Airways, Turkish Airlines, KLM) usually include a checked bag on long-haul economy fares; basic/low-cost fares often don't.
Cabin (hand) bag size is commonly around 56 × 45 × 25 cm — confirm your airline's limit before you pack.
Liquids in hand luggage must be in containers of 100 ml or less, inside one clear resealable bag.
Weigh your bags at home — airport excess-baggage fees are far higher than pre-booked allowances.
Extra or heavier bags are almost always cheaper added online in advance than at the airport.

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Fare type

Hand baggage

Checked baggage

Basic / Light economy

1 small under-seat bag

Usually none — add for a fee

Standard economy

1 cabin bag + 1 personal item

Typically 1 × 23 kg

Premium economy

1–2 cabin bags + personal item

Typically 2 × 23 kg

Business / First

2 cabin bags + personal item

Typically 2 × 32 kg

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Cheap Flights to Sao Tome (TMS)