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

Sao Paulo (GRU) was the most common stop: 77% of momondo users choosing one-stop flights on this route connected there.

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 15m.

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

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

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

Flights via Lisbon (LIS) offer the lowest average return price of £1,007.

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 67% 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 connection time from London to Porto Alegre?

Sao Paulo (GRU) has the shortest average stopover time for this route: 2h 45m.

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 June 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.

£432 Cheap Flights from London to Porto Alegre in 2026

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

Prices are currently high for flights on this route. Typical prices usually range from £1,228 to £970. The lowest price recently found on this route was £1,265.

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

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

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

21:20 - 19:20

LHR

POA

26h 00m

1 stop

10:00 - 15:05

POA

LHR

25h 05m

2 stops

£1,265LATAM Airlines

Sun, 9 Aug - Sun, 23 Aug

20:25 - 19:20

LHR

POA

26h 55m

2 stops

17:50 - 15:30

POA

LHR

41h 40m

2 stops

£1,266LATAM Airlines

Thu, 13 Aug - Tue, 1 Sep

06:00 - 19:40

LHR

POA

16h 40m

1 stop

00:45 - 18:55

POA

LHR

15h 10m

1 stop

£1,272TAP AIR PORTUGAL

Tue, 3 Nov - Thu, 26 Nov

21:20 - 19:20

LHR

POA

26h 00m

1 stop

10:05 - 15:05

POA

LHR

25h 00m

1 stop

£1,274LATAM Airlines

Fri, 7 Aug - Fri, 14 Aug

06:00 - 19:40

LHR

POA

16h 40m

1 stop

21:10 - 15:30

POA

LHR

15h 20m

1 stop

£1,275TAP AIR PORTUGAL

Sat, 7 Nov - Sat, 28 Nov

17:50 - 23:25

LHR

POA

33h 35m

2 stops

08:25 - 09:40

POA

LHR

21h 15m

2 stops

£1,276Multiple Airlines

Thu, 13 Aug - Tue, 1 Sep

21:20 - 21:10

LHR

POA

27h 50m

1 stop

06:40 - 15:05

POA

LHR

28h 25m

1 stop

£1,278LATAM Airlines

Thu, 6 Aug - Tue, 18 Aug

10:00 - 09:55

LGW

POA

27h 55m

2 stops

18:30 - 16:25

POA

LGW

41h 55m

2 stops

£1,283Air Europa

Fri, 7 Aug - Sat, 15 Aug

20:55 - 00:40

LHR

POA

31h 45m

2 stops

19:05 - 09:30

POA

LHR

34h 25m

2 stops

£1,284Multiple Airlines

Thu, 6 Aug - Tue, 18 Aug

08:00 - 23:05

LCY

POA

19h 05m

2 stops

10:05 - 15:15

POA

LCY

25h 10m

2 stops

£1,419Iberia

Thu, 16 Jul - Thu, 6 Aug

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LATAM Airlines flights from London to Porto Alegre

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

LATAM Airlines

13 Aug

LHR21:20London Heathrow

21h 25m

2 stops

POA14:45Porto Alegre Salgado Filho

1 Sept

POA15:30Porto Alegre Salgado Filho

19h 35m

2 stops

LHR15:05London Heathrow

£1,286

LATAM Airlines

13 Aug

LHR21:20London Heathrow

23h 40m

1 stop

POA17:00Porto Alegre Salgado Filho

1 Sept

POA14:20Porto Alegre Salgado Filho

20h 45m

1 stop

LHR15:05London Heathrow

£1,287

LATAM Airlines

13 Aug

LHR21:20London Heathrow

20h 55m

1 stop

POA14:15Porto Alegre Salgado Filho

1 Sept

POA15:30Porto Alegre Salgado Filho

19h 35m

2 stops

LHR15:05London Heathrow

£1,288

KLM flights from London to Porto Alegre

Our best KLM deals on London to Porto Alegre flight tickets

KLM

13 Aug

LCY10:00London City

18h 40m

2 stops

POA00:40Porto Alegre Salgado Filho

1 Sept

POA18:25Porto Alegre Salgado Filho

18h 15m

2 stops

LCY16:40London City

£1,434

KLM

13 Aug

LCY09:20London City

19h 20m

2 stops

POA00:40Porto Alegre Salgado Filho

1 Sept

POA18:25Porto Alegre Salgado Filho

18h 55m

2 stops

LCY17:20London City

£1,435

KLM

13 Aug

LCY07:45London City

20h 55m

2 stops

POA00:40Porto Alegre Salgado Filho

1 Sept

POA18:25Porto Alegre Salgado Filho

20h 05m

2 stops

LCY18:30London City

£1,435

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Sun 9/8

21:20-19:20

1 stop26h 00m

Porto Alegre Salgado Filho

Sun 23/8

10:00-15:05

2 stops25h 05m

£1,265

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Thu 13/8

20:25-19:20

2 stops26h 55m

Porto Alegre Salgado Filho

Tue 1/9

17:50-15:30

2 stops41h 40m

£1,266

Fastest return journey

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Tue 3/11

06:00-19:40

1 stop16h 40m

Porto Alegre Salgado Filho

Thu 26/11

00:45-18:55

1 stop15h 10m

£1,272

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Fri 7/8

21:20-19:20

1 stop26h 00m

Porto Alegre Salgado Filho

Fri 14/8

10:05-15:05

1 stop25h 00m

£1,274

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Sat 7/11

06:00-19:40

1 stop16h 40m

Porto Alegre Salgado Filho

Sat 28/11

21:10-15:30

1 stop15h 20m

£1,275

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Thu 13/8

17:50-23:25

2 stops33h 35m

Porto Alegre Salgado Filho

Tue 1/9

08:25-09:40

2 stops21h 15m

£1,276

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Thu 6/8

21:20-21:10

1 stop27h 50m

Porto Alegre Salgado Filho

Tue 18/8

06:40-15:05

1 stop28h 25m

£1,278

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Fri 7/8

10:00-09:55

2 stops27h 55m

Porto Alegre Salgado Filho

Sat 15/8

18:30-16:25

2 stops41h 55m

£1,283

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Thu 6/8

20:55-00:40

2 stops31h 45m

Porto Alegre Salgado Filho

Tue 18/8

19:05-09:30

2 stops34h 25m

£1,284

LondonPorto Alegre

LCY - POA

LCYPOA

London City

Thu 16/7

08:00-23:05

2 stops19h 05m

Porto Alegre Salgado Filho

Thu 6/8

10:05-15:15

2 stops25h 10m

£1,419

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?

What is the cheapest month to fly to Porto Alegre?

In general, March 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 £60. If you aren’t able to travel during the month of March, then book flights to Porto Alegre from London during September instead. Flights to Porto Alegre in September, while not as cheap as those in March, still average around £331.

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 £1,015 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 £712 on momondo.

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

You could potentially save up to 5% 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

Fastest flight time	18h 20m
Direct flights	None

The fastest flight from London to Porto Alegre takes 18h 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 18h 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 June 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 49% of all bookings. The subsequent popular airlines are TAP AIR PORTUGAL at 35% and Virgin Atlantic at 17%.

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 £713	Free Cancellation	Rating 7.2 2,277 reviews	Search TAP AIR PORTUGAL flights
LATAM Airlines	PriceFrom £753	Free Cancellation	Rating 7.4 1,934 reviews	Search LATAM Airlines flights
Virgin Atlantic	PriceFrom £1,146	Free Cancellation	Rating 7.5 690 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 £432

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 20/8. 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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LATAM Airlines flights from London to Porto Alegre

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

KLM flights from London to Porto Alegre

Our best KLM 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 typical price of a round-trip flight between London and 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

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

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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