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

Flights via Lisbon (LIS) offer the lowest average return price of £986.

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 42m.

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 13m.

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

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

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 60% 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.

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 May 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.

£464 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 low for flights on this route. Typical prices usually range from £975 to £838. The lowest price recently found on this route was £798.

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Find the cheapest flights from London to Porto Alegre

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

06:00 - 00:20

LGW

POA

22h 20m

3 stops

17:10 - 09:00

POA

LGW

35h 50m

2 stops

£798Multiple Airlines

Mon, 15 Jun - Mon, 22 Jun

22:05 - 22:45

LHR

POA

28h 40m

2 stops

12:20 - 21:35

POA

LHR

29h 15m

2 stops

£801Multiple Airlines

Mon, 15 Jun - Mon, 22 Jun

06:00 - 22:10

LGW

POA

20h 10m

2 stops

17:10 - 09:00

POA

LGW

35h 50m

2 stops

£845Multiple Airlines

Mon, 15 Jun - Mon, 22 Jun

20:55 - 23:45

LHR

POA

30h 50m

2 stops

16:20 - 16:15

POA

LHR

19h 55m

2 stops

£924KLM

Wed, 17 Jun - Wed, 24 Jun

21:20 - 17:00

LHR

POA

23h 40m

1 stop

06:40 - 16:20

POA

LHR

29h 40m

2 stops

£926LATAM Airlines

Wed, 17 Jun - Wed, 24 Jun

21:20 - 19:05

LHR

POA

25h 45m

1 stop

20:05 - 15:05

POA

LHR

15h 00m

1 stop

£953LATAM Airlines

Wed, 17 Jun - Wed, 24 Jun

21:15 - 20:25

LGW

POA

27h 10m

2 stops

00:15 - 09:45

POA

LGW

29h 30m

1 stop

£1,006TAP AIR PORTUGAL

Wed, 17 Jun - Tue, 23 Jun

09:20 - 23:40

LCY

POA

18h 20m

2 stops

16:20 - 16:40

POA

LCY

20h 20m

2 stops

£1,079KLM

Wed, 17 Jun - Wed, 24 Jun

13:10 - 09:20

LCY

POA

24h 10m

2 stops

14:20 - 18:30

POA

LCY

25h 10m

2 stops

£1,168SWISS

Thu, 1 Oct - Wed, 28 Oct

13:10 - 09:20

LCY

POA

24h 10m

2 stops

14:20 - 17:05

POA

LCY

23h 45m

2 stops

£1,171SWISS

Thu, 1 Oct - Wed, 28 Oct

KLM flights from London to Porto Alegre

Our best KLM deals on London to Porto Alegre flight tickets

KLM

17 Jun

LHR20:55London Heathrow

30h 50m

2 stops

POA23:45Porto Alegre Salgado Filho

24 Jun

POA16:20Porto Alegre Salgado Filho

19h 55m

2 stops

LHR16:15London Heathrow

£924

KLM

17 Jun

LCY09:20London City

18h 20m

2 stops

POA23:40Porto Alegre Salgado Filho

24 Jun

POA16:20Porto Alegre Salgado Filho

20h 20m

2 stops

LCY16:40London City

£1,079

KLM

31 May

LHR08:40London Heathrow

19h 00m

2 stops

POA23:40Porto Alegre Salgado Filho

10 Jun

POA16:20Porto Alegre Salgado Filho

19h 55m

2 stops

LHR16:15London Heathrow

£1,107

American Airlines flights from London to Porto Alegre

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

American Airlines

30 May

LHR18:05London Heathrow

49h 35m

2 stops

POA15:40Porto Alegre Salgado Filho

10 Jun

POA13:40Porto Alegre Salgado Filho

39h 20m

2 stops

LHR09:00London Heathrow

£1,282

American Airlines

1 Jun

LHR14:10London Heathrow

24h 30m

2 stops

POA10:40Porto Alegre Salgado Filho

30 Aug

POA14:00Porto Alegre Salgado Filho

27h 40m

2 stops

LHR21:40London Heathrow

£1,390

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Mon 15/6

06:00-00:20

3 stops22h 20m

Porto Alegre Salgado Filho

Mon 22/6

17:10-09:00

2 stops35h 50m

£798

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Mon 15/6

22:05-22:45

2 stops28h 40m

Porto Alegre Salgado Filho

Mon 22/6

12:20-21:35

2 stops29h 15m

£801

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Mon 15/6

06:00-22:10

2 stops20h 10m

Porto Alegre Salgado Filho

Mon 22/6

17:10-09:00

2 stops35h 50m

£845

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Wed 17/6

20:55-23:45

2 stops30h 50m

Porto Alegre Salgado Filho

Wed 24/6

16:20-16:15

2 stops19h 55m

£924

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Wed 17/6

21:20-17:00

1 stop23h 40m

Porto Alegre Salgado Filho

Wed 24/6

06:40-16:20

2 stops29h 40m

£926

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Wed 17/6

21:20-19:05

1 stop25h 45m

Porto Alegre Salgado Filho

Wed 24/6

20:05-15:05

1 stop15h 00m

£953

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Wed 17/6

21:15-20:25

2 stops27h 10m

Porto Alegre Salgado Filho

Tue 23/6

00:15-09:45

1 stop29h 30m

£1,006

Fastest return journey

LondonPorto Alegre

LCY - POA

LCYPOA

London City

Wed 17/6

09:20-23:40

2 stops18h 20m

Porto Alegre Salgado Filho

Wed 24/6

16:20-16:40

2 stops20h 20m

£1,079

LondonPorto Alegre

LCY - POA

LCYPOA

London City

Thu 1/10

13:10-09:20

2 stops24h 10m

Porto Alegre Salgado Filho

Wed 28/10

14:20-18:30

2 stops25h 10m

£1,168

LondonPorto Alegre

LCY - POA

LCYPOA

London City

Thu 1/10

13:10-09:20

2 stops24h 10m

Porto Alegre Salgado Filho

Wed 28/10

14:20-17:05

2 stops23h 45m

£1,171

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 £995 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 £713 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	16h 40m
Direct flights	None

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 May 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 48% 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 2,257 reviews	Search TAP AIR PORTUGAL flights
LATAM Airlines	PriceFrom £741	Free Cancellation	Rating 7.4 1,922 reviews	Search LATAM Airlines flights
Virgin Atlantic	PriceFrom £1,146	Free Cancellation	Rating 7.5 689 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 £464

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 10/6. 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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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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