Which stopover airport has the shortest travel time from London to Porto Alegre?

Flights connecting via Sao Paulo (GRU) have the shortest average one-way travel time: 15h 55m.

Which stopover airport has the shortest connection time from London to Porto Alegre?

Sao Paulo (GRU) has the shortest average stopover time for this route: 2h 24m.

What is the cheapest airline that flies from London to Porto Alegre Salgado Filho?

ITA Airways, TAP AIR PORTUGAL, and KLM are the most popular carriers operating from London to Porto Alegre Salgado Filho

Which airport is the most popular for stopovers for flights between London and Porto Alegre?

Sao Paulo (GRU) was the most common stop: 75% of momondo users choosing one-stop flights on this route connected there.

Which airlines fly to Porto Alegre?

LATAM Airlines, TAP AIR PORTUGAL and Virgin Atlantic are the top three most popular airlines that fly to Porto Alegre from London according to our data. LATAM Airlines is the first choice among our users, with 68% of people opting to fly with this airline when travelling to Porto Alegre. Keep in mind that there are 3 different airlines that fly to Porto Alegre on a routine basis, so you have a few additional options to choose from.

Which stopover airport offers the lowest fares from London to Porto Alegre?

Flights via Lisbon (LIS) offer the lowest average return price of £1,157.

When did momondo last update prices for flights from London to Porto Alegre Salgado Filho Airport?

Prices for flights from London to Porto Alegre Salgado Filho Airport are refreshed on a daily basis.

How many operators does momondo search for flights from London to Porto Alegre Salgado Filho Airport?

As of August 2026, there are 3 operators available to choose from for flights from London to Porto Alegre Salgado Filho Airport.

How old do you have to be to fly from London to Porto Alegre Salgado Filho Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Porto Alegre Salgado Filho Airport.

What documentation or ID do you need to fly to Porto Alegre Salgado Filho Airport?

The necessary travel and health documents for your Porto Alegre Salgado Filho Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£411 Cheap Flights from London to Porto Alegre in 2026

Discover deals from 900+ travel sites with momondo.

Travel Warning: Due to flooding, the airport may be currently closed. Check local travel advisories before booking.

Find the cheapest flights from London to Porto Alegre

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

06:00 - 00:15LHR London Heathrow-POA Porto Alegre Salgado Filho

21h 15m2 stops Lisbon Humberto Delgado Sao Paulo Viracopos

17:10 - 14:05POA Porto Alegre Salgado Filho-LHR London Heathrow

17h 55m1 stop Sao Paulo Guarulhos Intl

£827Multiple Airlines

Fri, 6 Nov - Sat, 21 Nov

08:00 - 08:15LHR London Heathrow-POA Porto Alegre Salgado Filho

28h 15m2 stops Lisbon Humberto Delgado Sao Paulo Viracopos

19:40 - 14:05POA Porto Alegre Salgado Filho-LHR London Heathrow

15h 25m1 stop Sao Paulo Guarulhos Intl

£838Multiple Airlines

Tue, 13 Oct - Tue, 27 Oct

19:50 - 08:15LHR London Heathrow-POA Porto Alegre Salgado Filho

40h 25m2 stops Lisbon Humberto Delgado Sao Paulo Viracopos

21:05 - 09:40POA Porto Alegre Salgado Filho-LHR London Heathrow

32h 35m2 stops Rio de Janeiro–Galeão Intl Rome Fiumicino

£840Multiple Airlines

Mon, 12 Oct - Mon, 19 Oct

06:20 - 08:30LGW London Gatwick-POA Porto Alegre Salgado Filho

29h 10m3 stops Malaga Casablanca Mohamed V Sao Paulo Guarulhos Intl

05:15 - 09:50POA Porto Alegre Salgado Filho-LGW London Gatwick

25h 35m2 stops Rio de Janeiro–Galeão Intl Lisbon Humberto Delgado

£856Multiple Airlines

Sat, 20 Feb - Sat, 13 Mar

16:25 - 20:25LGW London Gatwick-POA Porto Alegre Salgado Filho

32h 00m1 stop Lisbon Humberto Delgado

21:55 - 09:45POA Porto Alegre Salgado Filho-LGW London Gatwick

31h 50m1 stop Lisbon Humberto Delgado

£889TAP AIR PORTUGAL

Wed, 7 Oct - Thu, 22 Oct

20:15 - 10:00LHR London Heathrow-POA Porto Alegre Salgado Filho

16h 45m1 stop Sao Paulo Guarulhos Intl

18:00 - 14:05POA Porto Alegre Salgado Filho-LHR London Heathrow

17h 05m1 stop Sao Paulo Guarulhos Intl

£931LATAM Airlines

Mon, 18 Jan - Mon, 8 Feb

21:20 - 22:40LGW London Gatwick-POA Porto Alegre Salgado Filho

53h 20m2 stops Porto Lisbon Humberto Delgado

01:40 - 09:45POA Porto Alegre Salgado Filho-LGW London Gatwick

28h 05m1 stop Lisbon Humberto Delgado

£946TAP AIR PORTUGAL

Thu, 8 Oct - Sat, 17 Oct

06:00 - 19:40LHR London Heathrow-POA Porto Alegre Salgado Filho

16h 40m1 stop Lisbon Humberto Delgado

21:10 - 17:30POA Porto Alegre Salgado Filho-LHR London Heathrow

17h 20m1 stop Lisbon Humberto Delgado

£953TAP AIR PORTUGAL

Sat, 20 Feb - Sat, 13 Mar

06:15 - 08:30LHR London Heathrow-POA Porto Alegre Salgado Filho

29h 15m2 stops Madrid Barajas Sao Paulo Guarulhos Intl

18:00 - 14:05POA Porto Alegre Salgado Filho-LHR London Heathrow

17h 05m1 stop Sao Paulo Guarulhos Intl

£961LATAM Airlines

Mon, 18 Jan - Mon, 8 Feb

20:15 - 08:30LHR London Heathrow-POA Porto Alegre Salgado Filho

15h 15m1 stop Sao Paulo Guarulhos Intl

20:05 - 14:05POA Porto Alegre Salgado Filho-LHR London Heathrow

15h 00m1 stop Sao Paulo Guarulhos Intl

£968LATAM Airlines

Tue, 17 Nov - Tue, 2 Feb

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KLM flights from London to Porto Alegre

Our best KLM deals on London to Porto Alegre flight tickets

KLM

9 Nov

LHR06:30London Heathrow

20h 20m

2 stops

POA23:50Porto Alegre Salgado Filho

23 Nov

POA14:15Porto Alegre Salgado Filho

20h 35m

2 stops

LHR13:50London Heathrow

£895

KLM

9 Nov

LHR06:30London Heathrow

20h 20m

2 stops

POA23:50Porto Alegre Salgado Filho

23 Nov

POA14:15Porto Alegre Salgado Filho

20h 35m

2 stops

LHR13:50London Heathrow

£896

KLM

17 Nov

LHR06:30London Heathrow

20h 20m

2 stops

POA23:50Porto Alegre Salgado Filho

2 Feb

POA14:15Porto Alegre Salgado Filho

20h 35m

2 stops

LHR13:50London Heathrow

£940

LATAM Airlines flights from London to Porto Alegre

Our best LATAM Airlines deals on London to Porto Alegre flight tickets

LATAM Airlines

18 Jan

LHR20:15London Heathrow

16h 45m

1 stop

POA10:00Porto Alegre Salgado Filho

8 Feb

POA18:00Porto Alegre Salgado Filho

17h 05m

1 stop

LHR14:05London Heathrow

£931

LATAM Airlines

18 Jan

LHR06:15London Heathrow

29h 15m

2 stops

POA08:30Porto Alegre Salgado Filho

8 Feb

POA18:00Porto Alegre Salgado Filho

17h 05m

1 stop

LHR14:05London Heathrow

£961

LATAM Airlines

17 Nov

LHR20:15London Heathrow

15h 15m

1 stop

POA08:30Porto Alegre Salgado Filho

2 Feb

POA20:05Porto Alegre Salgado Filho

15h 00m

1 stop

LHR14:05London Heathrow

£968

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonPorto Alegre

LHR London Heathrow - POA Porto Alegre Salgado Filho

LHRPOA

London Heathrow

Fri 6/11

06:00-00:15

2 stops21h 15m

Porto Alegre Salgado Filho

Sat 21/11

17:10-14:05

1 stop17h 55m

£827

LondonPorto Alegre

LHR London Heathrow - POA Porto Alegre Salgado Filho

LHRPOA

London Heathrow

Tue 13/10

08:00-08:15

2 stops28h 15m

Porto Alegre Salgado Filho

Tue 27/10

19:40-14:05

1 stop15h 25m

£838

LondonPorto Alegre

LHR London Heathrow - POA Porto Alegre Salgado Filho

LHRPOA

London Heathrow

Mon 12/10

19:50-08:15

2 stops40h 25m

Porto Alegre Salgado Filho

Mon 19/10

21:05-09:40

2 stops32h 35m

£840

LondonPorto Alegre

LGW London Gatwick - POA Porto Alegre Salgado Filho

LGWPOA

London Gatwick

Sat 20/2

06:20-08:30

3 stops29h 10m

Porto Alegre Salgado Filho

Sat 13/3

05:15-09:50

2 stops25h 35m

£856

LondonPorto Alegre

LGW London Gatwick - POA Porto Alegre Salgado Filho

LGWPOA

London Gatwick

Wed 7/10

16:25-20:25

1 stop32h 00m

Porto Alegre Salgado Filho

Thu 22/10

21:55-09:45

1 stop31h 50m

£889

LondonPorto Alegre

LHR London Heathrow - POA Porto Alegre Salgado Filho

LHRPOA

London Heathrow

Mon 18/1

20:15-10:00

1 stop16h 45m

Porto Alegre Salgado Filho

Mon 8/2

18:00-14:05

1 stop17h 05m

£931

LondonPorto Alegre

LGW London Gatwick - POA Porto Alegre Salgado Filho

LGWPOA

London Gatwick

Thu 8/10

21:20-22:40

2 stops53h 20m

Porto Alegre Salgado Filho

Sat 17/10

01:40-09:45

1 stop28h 05m

£946

LondonPorto Alegre

LHR London Heathrow - POA Porto Alegre Salgado Filho

LHRPOA

London Heathrow

Sat 20/2

06:00-19:40

1 stop16h 40m

Porto Alegre Salgado Filho

Sat 13/3

21:10-17:30

1 stop17h 20m

£953

LondonPorto Alegre

LHR London Heathrow - POA Porto Alegre Salgado Filho

LHRPOA

London Heathrow

Mon 18/1

06:15-08:30

2 stops29h 15m

Porto Alegre Salgado Filho

Mon 8/2

18:00-14:05

1 stop17h 05m

£961

Fastest return journey

LondonPorto Alegre

LHR London Heathrow - POA Porto Alegre Salgado Filho

LHRPOA

London Heathrow

Tue 17/11

20:15-08:30

1 stop15h 15m

Porto Alegre Salgado Filho

Tue 2/2

20:05-14:05

1 stop15h 00m

£968

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London to Porto Alegre

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Stopovers

What is the cheapest month to fly to Porto Alegre?

In general, April is the cheapest month to fly from London to Porto Alegre. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £764. If you aren’t able to travel during the month of April, then book flights to Porto Alegre from London during May instead. Flights to Porto Alegre in May, while not as cheap as those in April, still average around £839.

How far in advance should I book a flight from London to Porto Alegre?

You are more likely to see cheaper flights to Porto Alegre from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto Alegre for around £1,039 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto Alegre from London for as low as £714 on momondo.

Can stopping save me money on London to Porto Alegre flights?

You could potentially save up to 11% on your flight if you consider stops on a London to Porto Alegre flight.

How have London to Porto Alegre flight prices changed over time?

When to book flights from London to Porto Alegre

Are you open to changing your travel dates? Check out the ideal times to fly from London to Porto Alegre according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap London to Porto Alegre (LON to POA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Porto Alegre

Best price found	£411
Fastest flight time	16h 40m
Direct flights	None

The best one-way flight to Porto Alegre from London in the past 72 hours is £411. The best return flight deal from London to Porto Alegre found on momondo in the last 72 hours is £827.

The fastest flight from London to Porto Alegre takes 16h 40m

There are no direct flights from London to Porto Alegre. There are no popular flight routes from London to Porto Alegre.

Search flight deals

Frequently asked questions about flying from London to Porto Alegre

How far is London to Porto Alegre Salgado Filho by plane?
Porto Alegre Salgado Filho is 6424.7 mi away from London. In terms of flight time, this usually takes a little over 16h 40m.
When did momondo last update prices for flights from London to Porto Alegre Salgado Filho Airport?
Prices for flights from London to Porto Alegre Salgado Filho Airport are refreshed on a daily basis.
How many operators does momondo search for flights from London to Porto Alegre Salgado Filho Airport?
As of August 2026, there are 3 operators available to choose from for flights from London to Porto Alegre Salgado Filho Airport.
How old do you have to be to fly from London to Porto Alegre Salgado Filho Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Porto Alegre Salgado Filho Airport.
What documentation or ID do you need to fly to Porto Alegre Salgado Filho Airport?
The necessary travel and health documents for your Porto Alegre Salgado Filho Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from London to Porto Alegre?
momondo data reveals that the most frequently booked airline on the route from London to Porto Alegre is LATAM Airlines, representing 43% of all bookings. The subsequent popular airlines are TAP AIR PORTUGAL at 30% and Virgin Atlantic at 27%.

Best airlines flying from London to Porto Alegre

Compare and see reviews for airlines that fly from London to Porto Alegre with momondo

Airline	Rating	Free Cancellation	Price
TAP AIR PORTUGAL	PriceFrom £739	Free Cancellation	Rating 7.2 2,380 reviews	Search TAP AIR PORTUGAL flights
LATAM Airlines	PriceFrom £745	Free Cancellation	Rating 7.4 1,987 reviews	Search LATAM Airlines flights
Virgin Atlantic	PriceFrom £1,137	Free Cancellation	Rating 7.4 695 reviews	Search Virgin Atlantic flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Porto Alegre?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Porto Alegre for you.

Can I find flights from London to Porto Alegre with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Porto Alegre flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Porto Alegre?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Porto Alegre from London.

I’m not ready to book a flight from London to Porto Alegre right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Porto Alegre from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from London to Porto Alegre from £411

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Porto Alegre departing on 18/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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KLM flights from London to Porto Alegre

Our best KLM deals on London to Porto Alegre flight tickets

LATAM Airlines flights from London to Porto Alegre

Our best LATAM Airlines deals on London to Porto Alegre flight tickets

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How to get the cheapest flight ticket from London to Porto Alegre

What is the cheapest month to fly to Porto Alegre?

How far in advance should I book a flight from London to Porto Alegre?

Can stopping save me money on London to Porto Alegre flights?

How have London to Porto Alegre flight prices changed over time?

What is the cheapest airline that flies from London to Porto Alegre Salgado Filho?

Which airlines fly to Porto Alegre?

Which airport is the most popular for stopovers for flights between London and Porto Alegre?

Which stopover airport offers the lowest fares from London to Porto Alegre?

Which stopover airport has the shortest travel time from London to Porto Alegre?

Which stopover airport has the shortest connection time from London to Porto Alegre?

When to book flights from London to Porto Alegre

Cheap London to Porto Alegre (LON to POA) flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from London to Porto Alegre

Best airlines flying from London to Porto Alegre

Compare and see reviews for airlines that fly from London to Porto Alegre with momondo

Why use momondo?

An easier way to manage your Porto Alegre trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Brazil

Fly your favourite airline to Porto Alegre

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Porto Alegre

List of cabin classes available on flights landing in Porto Alegre. Availability may vary depending on flight origin and airline.

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