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 offers the lowest fares from London to Porto Alegre?

Flights via Lisbon (LIS) offer the lowest average return price of £998.

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 12m.

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

Sao Paulo (GRU) was the most common stop: 71% of momondo users choosing one-stop flights on this route connected there.

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 35m.

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

KLM, Air Europa, and TAP AIR PORTUGAL 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 July 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.

£357 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 typical for flights on this route. Typical prices usually range from £1,111 to £1,537. The lowest price recently found on this route was £1,113.

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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.

16:35 - 19:20

LGW

POA

29h 45m

1 stop

11:20 - 09:50

POA

LGW

19h 30m

2 stops

£1,113TAP AIR PORTUGAL

Wed, 11 Nov - Thu, 26 Nov

09:30 - 14:20

LHR

POA

32h 50m

2 stops

14:05 - 11:50

POA

LHR

41h 45m

2 stops

£1,113Air Canada

Sun, 20 Sep - Fri, 9 Oct

14:25 - 09:20

LHR

POA

22h 55m

3 stops

14:20 - 13:00

POA

LHR

18h 40m

2 stops

£1,115SWISS

Tue, 22 Sep - Wed, 7 Oct

21:20 - 12:30

LHR

POA

19h 10m

1 stop

10:00 - 15:05

POA

LHR

25h 05m

1 stop

£1,115LATAM Airlines

Fri, 25 Sep - Wed, 7 Oct

20:15 - 08:30

LHR

POA

15h 15m

1 stop

16:00 - 14:05

POA

LHR

19h 05m

1 stop

£1,116LATAM Airlines

Fri, 1 Jan - Fri, 22 Jan

19:05 - 10:00

LHR

POA

17h 55m

2 stops

15:45 - 14:05

POA

LHR

19h 20m

1 stop

£1,124Multiple Airlines

Sat, 14 Nov - Sat, 28 Nov

17:25 - 10:35

LGW

POA

20h 10m

2 stops

09:45 - 09:00

POA

LGW

20h 15m

2 stops

£1,127Air Europa

Sat, 14 Nov - Mon, 30 Nov

10:00 - 09:05

LGW

POA

27h 05m

2 stops

09:45 - 09:00

POA

LGW

19h 15m

2 stops

£1,135Air Europa

Sun, 20 Sep - Thu, 8 Oct

08:55 - 09:20

LHR

POA

28h 25m

3 stops

14:20 - 16:35

POA

LHR

22h 15m

3 stops

£1,140SWISS

Wed, 23 Sep - Wed, 7 Oct

06:00 - 00:15

LGW

POA

22h 15m

2 stops

18:30 - 22:10

POA

LGW

23h 40m

2 stops

£1,141Multiple Airlines

Sat, 15 Aug - Sat, 22 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

25 Sept

LHR21:20London Heathrow

19h 10m

1 stop

POA12:30Porto Alegre Salgado Filho

7 Oct

POA10:00Porto Alegre Salgado Filho

25h 05m

1 stop

LHR15:05London Heathrow

£1,115

LATAM Airlines

1 Jan

LHR20:15London Heathrow

15h 15m

1 stop

POA08:30Porto Alegre Salgado Filho

22 Jan

POA16:00Porto Alegre Salgado Filho

19h 05m

1 stop

LHR14:05London Heathrow

£1,116

LATAM Airlines

13 Aug

LHR21:20London Heathrow

23h 35m

2 stops

POA16:55Porto Alegre Salgado Filho

25 Aug

POA15:30Porto Alegre Salgado Filho

19h 35m

2 stops

LHR15:05London Heathrow

£1,124

KLM flights from London to Porto Alegre

Our best KLM deals on London to Porto Alegre flight tickets

KLM

4 Sept

LCY10:00London City

28h 35m

2 stops

POA10:35Porto Alegre Salgado Filho

18 Sept

POA18:25Porto Alegre Salgado Filho

38h 50m

2 stops

LCY13:15London City

£1,174

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

£1,429

KLM

13 Aug

LCY09:20London City

18h 20m

2 stops

POA23:40Porto Alegre Salgado Filho

1 Sept

POA18:25Porto Alegre Salgado Filho

20h 05m

2 stops

LCY18:30London City

£1,456

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Wed 11/11

16:35-19:20

1 stop29h 45m

Porto Alegre Salgado Filho

Thu 26/11

11:20-09:50

2 stops19h 30m

£1,113

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Sun 20/9

09:30-14:20

2 stops32h 50m

Porto Alegre Salgado Filho

Fri 9/10

14:05-11:50

2 stops41h 45m

£1,113

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Tue 22/9

14:25-09:20

3 stops22h 55m

Porto Alegre Salgado Filho

Wed 7/10

14:20-13:00

2 stops18h 40m

£1,115

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Fri 25/9

21:20-12:30

1 stop19h 10m

Porto Alegre Salgado Filho

Wed 7/10

10:00-15:05

1 stop25h 05m

£1,115

Fastest return journey

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Fri 1/1

20:15-08:30

1 stop15h 15m

Porto Alegre Salgado Filho

Fri 22/1

16:00-14:05

1 stop19h 05m

£1,116

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Sat 14/11

19:05-10:00

2 stops17h 55m

Porto Alegre Salgado Filho

Sat 28/11

15:45-14:05

1 stop19h 20m

£1,124

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Sat 14/11

17:25-10:35

2 stops20h 10m

Porto Alegre Salgado Filho

Mon 30/11

09:45-09:00

2 stops20h 15m

£1,127

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Sun 20/9

10:00-09:05

2 stops27h 05m

Porto Alegre Salgado Filho

Thu 8/10

09:45-09:00

2 stops19h 15m

£1,135

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Wed 23/9

08:55-09:20

3 stops28h 25m

Porto Alegre Salgado Filho

Wed 7/10

14:20-16:35

3 stops22h 15m

£1,140

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Sat 15/8

06:00-00:15

2 stops22h 15m

Porto Alegre Salgado Filho

Sat 22/8

18:30-22:10

2 stops23h 40m

£1,141

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 £332.

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 £1,038 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 £766 on momondo.

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

You could potentially save up to 18% 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 July 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 32% and Virgin Atlantic at 26%.

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 £749	Free Cancellation	Rating 7.2 2,317 reviews	Search TAP AIR PORTUGAL flights
LATAM Airlines	PriceFrom £757	Free Cancellation	Rating 7.4 1,949 reviews	Search LATAM Airlines flights
Virgin Atlantic	PriceFrom £1,128	Free Cancellation	Rating 7.5 691 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 £357

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 18/8. 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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