What’s the fastest stopover option from London Heathrow Airport to Porto Alegre?

Flights via Sao Paulo (GRU) have the shortest average one-way travel time for one-stop routes: 16h 03m.

What’s the top stopover airport for flights from London Heathrow Airport to Porto Alegre?

Sao Paulo (GRU) – chosen by Cheapflights users on 72% of one-stop itineraries from London Heathrow Airport to Porto Alegre on Cheapflights.

What’s the cheapest stopover airport for flights from London Heathrow Airport to Porto Alegre?

Lisbon (LIS) is the most affordable one-stop option, with an average return flight price of £796.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Porto Alegre?

Flights via Sao Paulo (GRU) offer the fastest connection on this route, with an average stopover time of 2h 59m.

How long is the flight from London Heathrow Airport to Porto Alegre?

For as low as £1,102, Turkish Airlines can have you in Porto Alegre from London Heathrow Airport in 16h 20m. The distance between London Heathrow Airport and Porto Alegre is about 6410 mi. Both multi-stop and direct flights can be found to your destination and back.

What are the cheapest airlines flying from London Heathrow Airport to Porto Alegre round-trip?

Our cheapest airline available from London Heathrow Airport to Porto Alegre is LATAM Airlines. Our recent data shows that you can find tickets from as low as £762 on this airline. Additional options worth looking into are TAP AIR PORTUGAL and Virgin Atlantic, starting at £778 and £1,162 round-trip. You may be able to fly from London Heathrow Airport to Porto Alegre for 28% less than the average price by searching for these airlines.

In terms of precipitation, rainfall in Porto Alegre ranges from 70.0 - 130.0 inches per month. September is typically the wettest month, when rainfall can reach 130.0 mm. November is typically the driest time to visit Porto Alegre when rainfall is around 70.0 mm.

If weather is an important factor for your trip to Porto Alegre, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 13.0 C).

What are the most popular airlines that fly from London Heathrow Airport to Porto Alegre?

Consider LATAM Airlines, TAP AIR PORTUGAL or Virgin Atlantic when booking your flight. These represent the most popular airlines when flying from London Heathrow Airport to Porto Alegre.

What is the cheapest time of day to fly from LHR to POA?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Porto Alegre as you normally would.

What airport do you fly into for flights to Porto Alegre from London Heathrow?

Porto Alegre Salgado Filho (POA) is the airport you will fly into if you book a flight from London Heathrow to Porto Alegre. You should not have trouble finding flights to Salgado Filho from London Heathrow; the airport handles an average of 0 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the Porto Alegre airport from London Heathrow. It is only a 4.0 mi journey from Salgado Filho (POA) to Porto Alegre’s city center.

Can I find deals for flights from Heathrow to Porto Alegre that include hotel bookings?

Yes. In addition to deals on Heathrow to Porto Alegre flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Heathrow to Porto Alegre?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Porto Alegre.

Can I find deals for business class flights from Heathrow to Porto Alegre?

Yes. Cheapflights offers flight deals from Heathrow to Porto Alegre by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£456+ Cheap Flights from London Heathrow Airport to Porto Alegre

Cheap flight deals from Heathrow to Porto Alegre

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Heathrow to Porto Alegre
Explore the most affordable flight options available from Heathrow to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 October 2026.

Tue 3/1106:00 -

1 stop16h 40m

Tue 1/1221:15 -

1 stop21h 20m

Deal found 10/10£774

Sun 8/1118:30 -

2 stops31h 15m

Sun 15/1105:05 -

2 stops33h 10m

Deal found 11/10£795

Tue 3/1106:00 -

1 stop16h 40m

Tue 1/1220:05 -

2 stops17h 30m

Deal found 10/10£798

Fri 6/1118:30 -

1 stop28h 10m

Sun 22/1105:20 -

1 stop29h 45m

Deal found 13/10£867

Thu 12/1106:35 -

2 stops20h 35m

Wed 18/1113:00 -

2 stops25h 05m

Deal found 13/10£871

Thu 12/1106:35 -

2 stops20h 35m

Thu 19/1113:05 -

2 stops28h 45m

Deal found 13/10£878

Thu 12/1106:20 -

2 stops20h 50m

Thu 19/1101:30 -

1 stop17h 05m

Deal found 13/10£894

Thu 12/1106:35 -

2 stops20h 35m

Tue 17/1112:25 -

2 stops21h 25m

Deal found 13/10£896

Fri 27/1119:25 -

2 stops22h 15m

Fri 4/1214:20 -

2 stops20h 25m

Deal found 13/10£897

Thu 12/1118:45 -

2 stops31h 00m

Sun 13/1208:25 -

1 stop26h 40m

Deal found 12/10£904

Find flight deals from Heathrow to Porto Alegre

Round-trip from	£774
One-way from	£456
Popular in	July
Cheapest in	April
Average price	£1,233

TAP AIR PORTUGAL
3/11-1/12
2 total stops
38h 00m total
London to Porto Alegre

Search Deals

23/11-31/12
3 total stops
36h 45m total
London to Porto Alegre

Search Deals

Highest demand for flights based on searches. 19% potential increase in price (£199 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£30 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Porto Alegre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonPorto Alegre

LHR London Heathrow - POA Porto Alegre Salgado Filho

LHRPOA

London Heathrow

Mon 23/11

10:30-19:40

2 stops36h 10m

Porto Alegre Salgado Filho

Wed 31/12

00:00-04:00

Nonstop0h 00m

£478

LondonPorto Alegre

LHR London Heathrow - POA Porto Alegre Salgado Filho

LHRPOA

London Heathrow

Wed 28/10

18:30-19:20

1 stop27h 50m

Porto Alegre Salgado Filho

Wed 31/12

00:00-04:00

Nonstop0h 00m

£733

LondonPorto Alegre

LHR London Heathrow - POA Porto Alegre Salgado Filho

LHRPOA

London Heathrow

Wed 28/10

12:50-20:00

2 stops34h 10m

Porto Alegre Salgado Filho

Wed 31/12

00:00-04:00

Nonstop0h 00m

£736

LondonPorto Alegre

LHR London Heathrow - POA Porto Alegre Salgado Filho

LHRPOA

London Heathrow

Tue 20/10

14:10-13:00

2 stops26h 50m

Porto Alegre Salgado Filho

Wed 31/12

00:00-04:00

Nonstop0h 00m

£739

Fastest return journey

LondonPorto Alegre

LHR London Heathrow - POA Porto Alegre Salgado Filho

LHRPOA

London Heathrow

Wed 9/12

06:30-00:30

2 stops21h 00m

Porto Alegre Salgado Filho

Wed 31/12

00:00-04:00

Nonstop0h 00m

£776

LondonPorto Alegre

LHR London Heathrow - POA Porto Alegre Salgado Filho

LHRPOA

London Heathrow

Mon 23/11

18:30-07:40

3 stops40h 10m

Porto Alegre Salgado Filho

Wed 31/12

00:00-04:00

Nonstop0h 00m

£805

LondonPorto Alegre

LHR London Heathrow - POA Porto Alegre Salgado Filho

LHRPOA

London Heathrow

Wed 21/10

10:00-10:00

2 stops28h 00m

Porto Alegre Salgado Filho

Wed 31/12

00:00-04:00

Nonstop0h 00m

£838

LondonPorto Alegre

LHR London Heathrow - POA Porto Alegre Salgado Filho

LHRPOA

London Heathrow

Sun 13/12

16:30-07:55

2 stops42h 25m

Porto Alegre Salgado Filho

Wed 31/12

00:00-04:00

Nonstop0h 00m

£904

LondonPorto Alegre

LHR London Heathrow - POA Porto Alegre Salgado Filho

LHRPOA

London Heathrow

Mon 23/11

22:40-21:30

2 stops25h 50m

Porto Alegre Salgado Filho

Fri 27/11

13:05-09:45

2 stops41h 40m

£962

LondonPorto Alegre

LHR London Heathrow - POA Porto Alegre Salgado Filho

LHRPOA

London Heathrow

Mon 9/11

16:30-21:30

2 stops32h 00m

Porto Alegre Salgado Filho

Mon 23/11

13:05-14:40

2 stops22h 35m

£974

Flights are sorted by cheapest return flights first.

Deals found on 11/10

Showing 1-10 of 17 resultsSorted by cheapest first

Best time to book a flight from Heathrow to Porto Alegre

Have a flexible travel schedule? Discover the best time to fly to Porto Alegre from Heathrow with our price prediction graph.

LHR-POA

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Porto Alegre

Prices

Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to Porto Alegre (average of £781). Flying from London Heathrow Airport to Porto Alegre in July is currently the most expensive (average of £1,498). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Porto Alegre

Check out reviews from past customers who have flown with Virgin Atlantic,LATAM Airlines, andTAP AIR PORTUGAL from London Heathrow Airport to Porto Alegre to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Virgin Atlantic

7.5

Good

695 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Virgin Atlantic

7.5

Good

695 reviews

Virgin Atlantic

7.5

Good

695 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

LATAM Airlines

7.4

Good

1,972 reviews

Virgin Atlantic

7.5

Good

695 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

TAP AIR PORTUGAL

7.2

Good

2,377 reviews

Virgin Atlantic

7.5

Good

695 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Related info for your journey

What airport do you fly into for flights to Porto Alegre from London Heathrow?
Porto Alegre Salgado Filho (POA) is the airport you will fly into if you book a flight from London Heathrow to Porto Alegre. You should not have trouble finding flights to Salgado Filho from London Heathrow; the airport handles an average of 0 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the Porto Alegre airport from London Heathrow. It is only a 4.0 mi journey from Salgado Filho (POA) to Porto Alegre’s city center.
How long is the flight from London Heathrow Airport to Porto Alegre?
For as low as £1,102, Turkish Airlines can have you in Porto Alegre from London Heathrow Airport in 16h 20m. The distance between London Heathrow Airport and Porto Alegre is about 6410 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from London Heathrow Airport to Porto Alegre round-trip?
Our cheapest airline available from London Heathrow Airport to Porto Alegre is LATAM Airlines. Our recent data shows that you can find tickets from as low as £762 on this airline. Additional options worth looking into are TAP AIR PORTUGAL and Virgin Atlantic, starting at £778 and £1,162 round-trip. You may be able to fly from London Heathrow Airport to Porto Alegre for 28% less than the average price by searching for these airlines.
Can I find deals for flights from Heathrow to Porto Alegre that include hotel bookings?
Yes. In addition to deals on Heathrow to Porto Alegre flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Porto Alegre?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Porto Alegre.
Can I find deals for business class flights from Heathrow to Porto Alegre?
Yes. Cheapflights offers flight deals from Heathrow to Porto Alegre by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London Heathrow Airport to Porto Alegre?
Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to Porto Alegre (average of £781). Flying from London Heathrow Airport to Porto Alegre in July is currently the most expensive (average of £1,498). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Porto Alegre flight routes

Alternative routes for Heathrow to Porto Alegre

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Top 3 airlines flying from Heathrow to Porto Alegre

Airline	Cheapest	Average	Flexibility	On-time
LATAM Airlines	Cheapest£762	Average£1,135	FlexibilityNo cancel fee	On-time81%	Search LATAM Airlines flights
TAP AIR PORTUGAL	Cheapest£778	Average£841	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Virgin Atlantic	Cheapest£1,162	Average£1,496	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights

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How does Cheapflights help users find flights from Heathrow to Porto Alegre?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Porto Alegre from Heathrow today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Porto Alegre?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Porto Alegre.

Can Cheapflights find flights from Heathrow to Porto Alegre with no change fees?

Certainly. Search results for flights to Porto Alegre from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Heathrow to Porto Alegre become cheaper?

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Cheap flights from London Heathrow Airport to Porto Alegre from £456

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Porto Alegre

Cheapest flights from Heathrow to Porto AlegreExplore the most affordable flight options available from Heathrow to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 October 2026.

Explore the most affordable flight options available from Heathrow to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 October 2026.

Best flights from Heathrow to Porto AlegreDiscover carefully curated flight deals from Heathrow to Porto Alegre that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 October 2026.

Discover carefully curated flight deals from Heathrow to Porto Alegre that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 October 2026.

Last-minute flights from Heathrow to Porto AlegreDiscover last-minute flight deals from Heathrow to Porto Alegre. Data last updated 14 October 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Porto Alegre. Data last updated 14 October 2026 and is based on user searches.

One-way flights from Heathrow to Porto AlegreSearch for one-way flight options from Heathrow to Porto Alegre. Find affordable one-way fares based on user searches. Data last updated 14 October 2026.

Search for one-way flight options from Heathrow to Porto Alegre. Find affordable one-way fares based on user searches. Data last updated 14 October 2026.

Find flight deals from Heathrow to Porto Alegre

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Use the filters below to find and compare flights from London Heathrow Airport to Porto Alegre that are best for you.

Best time to book a flight from Heathrow to Porto Alegre

Have a flexible travel schedule? Discover the best time to fly to Porto Alegre from Heathrow with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from London Heathrow Airport to Porto Alegre?

What’s the top stopover airport for flights from London Heathrow Airport to Porto Alegre?

Sao Paulo (GRU) – chosen by Cheapflights users on 72% of one-stop itineraries from London Heathrow Airport to Porto Alegre on Cheapflights.

What’s the cheapest stopover airport for flights from London Heathrow Airport to Porto Alegre?

Lisbon (LIS) is the most affordable one-stop option, with an average return flight price of £796.

What’s the fastest stopover option from London Heathrow Airport to Porto Alegre?

Flights via Sao Paulo (GRU) have the shortest average one-way travel time for one-stop routes: 16h 03m.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Porto Alegre?

Flights via Sao Paulo (GRU) offer the fastest connection on this route, with an average stopover time of 2h 59m.

Reviews of airlines servicing Porto Alegre

Related info for your journey

What airport do you fly into for flights to Porto Alegre from London Heathrow?

How long is the flight from London Heathrow Airport to Porto Alegre?

What are the cheapest airlines flying from London Heathrow Airport to Porto Alegre round-trip?

Can I find deals for flights from Heathrow to Porto Alegre that include hotel bookings?

How can I find direct flights from Heathrow to Porto Alegre?

Can I find deals for business class flights from Heathrow to Porto Alegre?

What is the cheapest month to book a flight from London Heathrow Airport to Porto Alegre?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Porto Alegre

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Porto Alegre by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Brazil

Book a non-stop flight to one of these other cities located in Brazil.

Search flights from Heathrow to Porto Alegre by cabin class

Find flights from Heathrow to Porto Alegre, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and Porto Alegre flights

Browse other Heathrow and Porto Alegre flight options. Last updated on 14 October 2026.

Other flights from Heathrow

Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 14 October 2026.

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Other flights to Porto Alegre

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Top 3 airlines flying from Heathrow to Porto Alegre

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Cheapest flights from Heathrow to Porto Alegre
Explore the most affordable flight options available from Heathrow to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 October 2026.

Best flights from Heathrow to Porto Alegre
Discover carefully curated flight deals from Heathrow to Porto Alegre that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 October 2026.

Last-minute flights from Heathrow to Porto Alegre
Discover last-minute flight deals from Heathrow to Porto Alegre. Data last updated 14 October 2026 and is based on user searches.

One-way flights from Heathrow to Porto Alegre
Search for one-way flight options from Heathrow to Porto Alegre. Find affordable one-way fares based on user searches. Data last updated 14 October 2026.