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

Lisbon (LIS) has the shortest average stopover time for this route: 2h 09m.

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

Sao Paulo (GRU) was the most common stop: 81% of momondo users choosing one-stop flights on this route connected there.

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

Flights via Lisbon (LIS) offer the lowest average return price of £1,182.

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 has the shortest travel time from London to Porto Alegre?

Flights connecting via Sao Paulo (GRU) have the shortest average one-way travel time: 16h 08m.

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

TAP AIR PORTUGAL, LATAM Airlines, and Air Europa are the most popular carriers operating from London to Porto Alegre Salgado Filho

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 September 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.

£458 Cheap Flights from London to Porto Alegre in 2026/27

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

Last minute

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Enter your travel dates to find the best prices.

19:45 - 21:30LGW London Gatwick-POA Porto Alegre Salgado Filho

52h 45m2 stops Milan Malpensa Sao Paulo Guarulhos Intl

21:10 - 09:50POA Porto Alegre Salgado Filho-LGW London Gatwick

33h 40m1 stop Lisbon Humberto Delgado

£685Multiple Airlines

Wed, 11 Nov - Sat, 28 Nov

12:15 - 19:40LTN London Luton-POA Porto Alegre Salgado Filho

34h 25m2 stops Barcelona-El Prat Lisbon Humberto Delgado

12:40 - 17:35POA Porto Alegre Salgado Filho-LTN London Luton

25h 55m2 stops Sao Paulo Congonhas Barcelona-El Prat

£708Multiple Airlines

Mon, 16 Nov - Tue, 1 Dec

12:25 - 19:40LGW London Gatwick-POA Porto Alegre Salgado Filho

34h 15m2 stops Rome Fiumicino Lisbon Humberto Delgado

21:15 - 15:45POA Porto Alegre Salgado Filho-LGW London Gatwick

15h 30m1 stop Lisbon Humberto Delgado

£725Multiple Airlines

Mon, 16 Nov - Tue, 1 Dec

18:30 - 19:40LHR London Heathrow-POA Porto Alegre Salgado Filho

28h 10m1 stop Lisbon Humberto Delgado

21:15 - 22:40POA Porto Alegre Salgado Filho-LHR London Heathrow

22h 25m1 stop Lisbon Humberto Delgado

£734TAP AIR PORTUGAL

Mon, 16 Nov - Tue, 1 Dec

10:40 - 19:40LGW London Gatwick-POA Porto Alegre Salgado Filho

36h 00m1 stop Lisbon Humberto Delgado

21:15 - 15:45POA Porto Alegre Salgado Filho-LGW London Gatwick

15h 30m1 stop Lisbon Humberto Delgado

£738TAP AIR PORTUGAL

Mon, 16 Nov - Tue, 1 Dec

18:30 - 19:40LHR London Heathrow-POA Porto Alegre Salgado Filho

28h 10m1 stop Lisbon Humberto Delgado

01:30 - 11:25POA Porto Alegre Salgado Filho-LHR London Heathrow

30h 55m1 stop Lisbon Humberto Delgado

£769TAP AIR PORTUGAL

Fri, 13 Nov - Thu, 26 Nov

20:15 - 19:15LHR London Heathrow-POA Porto Alegre Salgado Filho

26h 00m1 stop Sao Paulo Guarulhos Intl

13:00 - 14:05POA Porto Alegre Salgado Filho-LHR London Heathrow

22h 05m1 stop Sao Paulo Guarulhos Intl

£841LATAM Airlines

Mon, 9 Nov - Mon, 16 Nov

20:15 - 14:15LHR London Heathrow-POA Porto Alegre Salgado Filho

21h 00m2 stops Sao Paulo Guarulhos Intl Rio de Janeiro–Galeão Intl

10:45 - 14:05POA Porto Alegre Salgado Filho-LHR London Heathrow

24h 20m1 stop Sao Paulo Guarulhos Intl

£845LATAM Airlines

Mon, 9 Nov - Mon, 16 Nov

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

15h 15m1 stop Sao Paulo Guarulhos Intl

20:00 - 14:05POA Porto Alegre Salgado Filho-LHR London Heathrow

15h 05m1 stop Sao Paulo Guarulhos Intl

£1,230Virgin Atlantic

Wed, 11 Nov - Fri, 27 Nov

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

£1,458Virgin Atlantic

Mon, 2 Nov - Tue, 15 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

06:50 - 13:00LHR London Heathrow-POA Porto Alegre Salgado Filho

34h 10m2 stops Brussels Bruxelles-National Sao Paulo Guarulhos Intl

15:25 - 22:00POA Porto Alegre Salgado Filho-LHR London Heathrow

26h 35m2 stops Florianopolis Hercilio Luz Lisbon Humberto Delgado

£1,025Multiple Airlines

Sun, 4 Oct - Mon, 5 Oct

06:50 - 08:10LHR London Heathrow-POA Porto Alegre Salgado Filho

29h 20m2 stops Brussels Bruxelles-National Sao Paulo Guarulhos Intl

14:05 - 18:50POA Porto Alegre Salgado Filho-LHR London Heathrow

24h 45m3 stops Sao Paulo Guarulhos Intl Florianopolis Hercilio Luz Lisbon Humberto Delgado

£1,146Multiple Airlines

Sun, 4 Oct - Mon, 5 Oct

07:30 - 13:00LTN London Luton-POA Porto Alegre Salgado Filho

33h 30m2 stops Lisbon Humberto Delgado Sao Paulo Guarulhos Intl

20:05 - 21:35POA Porto Alegre Salgado Filho-LTN London Luton

21h 30m3 stops Sao Paulo Guarulhos Intl Fortaleza Pinto Martins Lisbon Humberto Delgado

£1,166Multiple Airlines

Sun, 4 Oct - Mon, 5 Oct

07:30 - 13:00LTN London Luton-POA Porto Alegre Salgado Filho

33h 30m2 stops Lisbon Humberto Delgado Sao Paulo Guarulhos Intl

15:30 - 21:35POA Porto Alegre Salgado Filho-LTN London Luton

26h 05m2 stops Sao Paulo Viracopos Lisbon Humberto Delgado

£1,169Multiple Airlines

Sun, 4 Oct - Mon, 5 Oct

21:20 - 14:15LHR London Heathrow-POA Porto Alegre Salgado Filho

20h 55m1 stop Sao Paulo Guarulhos Intl

20:05 - 15:05POA Porto Alegre Salgado Filho-LHR London Heathrow

15h 00m1 stop Sao Paulo Guarulhos Intl

£1,231LATAM Airlines

Sun, 4 Oct - Mon, 5 Oct

06:00 - 23:25LHR London Heathrow-POA Porto Alegre Salgado Filho

21h 25m2 stops Lisbon Humberto Delgado Rio de Janeiro–Galeão Intl

16:15 - 15:05POA Porto Alegre Salgado Filho-LHR London Heathrow

18h 50m1 stop Sao Paulo Congonhas

£1,267Multiple Airlines

Sun, 4 Oct - Mon, 5 Oct

16:35 - 14:30LHR London Heathrow-POA Porto Alegre Salgado Filho

25h 55m3 stops Lisbon Humberto Delgado Recife Guararapes Intl Sao Paulo Viracopos

20:05 - 22:00POA Porto Alegre Salgado Filho-LHR London Heathrow

21h 55m3 stops Sao Paulo Guarulhos Intl Fortaleza Pinto Martins Lisbon Humberto Delgado

£1,470Multiple Airlines

Sun, 4 Oct - Mon, 5 Oct

07:30 - 01:15LGW London Gatwick-POA Porto Alegre Salgado Filho

21h 45m2 stops Barcelona-El Prat Sao Paulo Guarulhos Intl

08:10 - 09:45POA Porto Alegre Salgado Filho-LGW London Gatwick

21h 35m2 stops Rio de Janeiro–Galeão Intl Lisbon Humberto Delgado

£1,729Multiple Airlines

Sun, 4 Oct - Mon, 5 Oct

10:50 - 07:50STN London Stansted-POA Porto Alegre Salgado Filho

25h 00m2 stops Istanbul Sao Paulo Guarulhos Intl

10:50 - 16:40POA Porto Alegre Salgado Filho-STN London Stansted

25h 50m2 stops Sao Paulo Guarulhos Intl Istanbul

£2,612Multiple Airlines

Sun, 4 Oct - Mon, 5 Oct

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TAP AIR PORTUGAL flights from London to Porto Alegre

Our best TAP AIR PORTUGAL deals on London to Porto Alegre flight tickets

TAP AIR PORTUGAL

16 Nov

LHR18:30London Heathrow

28h 10m

1 stop

POA19:40Porto Alegre Salgado Filho

1 Dec

POA21:15Porto Alegre Salgado Filho

22h 25m

1 stop

LHR22:40London Heathrow

£734

TAP AIR PORTUGAL

16 Nov

LGW10:40London Gatwick

36h 00m

1 stop

POA19:40Porto Alegre Salgado Filho

1 Dec

POA21:15Porto Alegre Salgado Filho

15h 30m

1 stop

LGW15:45London Gatwick

£738

TAP AIR PORTUGAL

13 Nov

LHR18:30London Heathrow

28h 10m

1 stop

POA19:40Porto Alegre Salgado Filho

26 Nov

POA01:30Porto Alegre Salgado Filho

30h 55m

1 stop

LHR11:25London Heathrow

£769

LATAM Airlines flights from London to Porto Alegre

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

LATAM Airlines

9 Nov

LHR20:15London Heathrow

26h 00m

1 stop

POA19:15Porto Alegre Salgado Filho

16 Nov

POA13:00Porto Alegre Salgado Filho

22h 05m

1 stop

LHR14:05London Heathrow

£840

LATAM Airlines

9 Nov

LHR20:15London Heathrow

21h 00m

2 stops

POA14:15Porto Alegre Salgado Filho

16 Nov

POA10:45Porto Alegre Salgado Filho

24h 20m

1 stop

LHR14:05London Heathrow

£845

LATAM Airlines

9 Nov

LHR20:15London Heathrow

29h 30m

2 stops

POA22:45Porto Alegre Salgado Filho

30 Nov

POA20:05Porto Alegre Salgado Filho

15h 00m

1 stop

LHR14:05London Heathrow

£920

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonPorto Alegre

LGW London Gatwick - POA Porto Alegre Salgado Filho

LGWPOA

London Gatwick

Wed 11/11

19:45-21:30

2 stops52h 45m

Porto Alegre Salgado Filho

Sat 28/11

21:10-09:50

1 stop33h 40m

£685

LondonPorto Alegre

LTN London Luton - POA Porto Alegre Salgado Filho

LTNPOA

London Luton

Mon 16/11

12:15-19:40

2 stops34h 25m

Porto Alegre Salgado Filho

Tue 1/12

12:40-17:35

2 stops25h 55m

£708

LondonPorto Alegre

LGW London Gatwick - POA Porto Alegre Salgado Filho

LGWPOA

London Gatwick

Mon 16/11

12:25-19:40

2 stops34h 15m

Porto Alegre Salgado Filho

Tue 1/12

21:15-15:45

1 stop15h 30m

£725

LondonPorto Alegre

LHR London Heathrow - POA Porto Alegre Salgado Filho

LHRPOA

London Heathrow

Mon 16/11

18:30-19:40

1 stop28h 10m

Porto Alegre Salgado Filho

Tue 1/12

21:15-22:40

1 stop22h 25m

£734

LondonPorto Alegre

LGW London Gatwick - POA Porto Alegre Salgado Filho

LGWPOA

London Gatwick

Mon 16/11

10:40-19:40

1 stop36h 00m

Porto Alegre Salgado Filho

Tue 1/12

21:15-15:45

1 stop15h 30m

£738

LondonPorto Alegre

LHR London Heathrow - POA Porto Alegre Salgado Filho

LHRPOA

London Heathrow

Fri 13/11

18:30-19:40

1 stop28h 10m

Porto Alegre Salgado Filho

Thu 26/11

01:30-11:25

1 stop30h 55m

£769

LondonPorto Alegre

LHR London Heathrow - POA Porto Alegre Salgado Filho

LHRPOA

London Heathrow

Mon 9/11

20:15-19:15

1 stop26h 00m

Porto Alegre Salgado Filho

Mon 16/11

13:00-14:05

1 stop22h 05m

£840

LondonPorto Alegre

LHR London Heathrow - POA Porto Alegre Salgado Filho

LHRPOA

London Heathrow

Mon 9/11

20:15-14:15

2 stops21h 00m

Porto Alegre Salgado Filho

Mon 16/11

10:45-14:05

1 stop24h 20m

£845

LondonPorto Alegre

LHR London Heathrow - POA Porto Alegre Salgado Filho

LHRPOA

London Heathrow

Wed 11/11

20:15-08:30

1 stop15h 15m

Porto Alegre Salgado Filho

Fri 27/11

20:00-14:05

1 stop15h 05m

£1,230

Fastest return journey

LondonPorto Alegre

LHR London Heathrow - POA Porto Alegre Salgado Filho

LHRPOA

London Heathrow

Mon 2/11

20:15-08:30

1 stop15h 15m

Porto Alegre Salgado Filho

Tue 15/12

20:05-14:05

1 stop15h 00m

£1,458

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 typical price of a round-trip flight between London and Porto Alegre?

Prices are currently low for flights on this route.

Typical prices usually range from £908 to £1,224.
The lowest price recently found on this route was £685.

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 £780. 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 £857.

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	£458
Fastest flight time	16h 20m
Direct flights	None

The best one-way flight to Porto Alegre from London in the past 72 hours is £458. The best return flight deal from London to Porto Alegre found on momondo in the last 72 hours is £685.

The fastest flight from London to Porto Alegre takes 16h 20m

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 20m.
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 September 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 39% of all bookings. The subsequent popular airlines are Virgin Atlantic at 31% and TAP AIR PORTUGAL at 30%.

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
LATAM Airlines	PriceFrom £761	Free Cancellation	Rating 7.4 1,977 reviews	Search LATAM Airlines flights
TAP AIR PORTUGAL	PriceFrom £778	Free Cancellation	Rating 7.2 2,386 reviews	Search TAP AIR PORTUGAL flights
Virgin Atlantic	PriceFrom £1,161	Free Cancellation	Rating 7.4 694 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.

An easier way to manage your Porto Alegre trip

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Cheap flights from London to Porto Alegre from £458

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 23/11. 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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TAP AIR PORTUGAL flights from London to Porto Alegre

Our best TAP AIR PORTUGAL 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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See travel insights to Porto Alegre from

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

What is the typical price of a round-trip flight between London and Porto Alegre?

What is the cheapest month to fly 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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