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

Sao Paulo (GRU) is the most affordable one-stop option, with an average return flight price of £865.

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

Sao Paulo (GRU) – chosen by Cheapflights users on 76% of one-stop itineraries from London Heathrow Airport to Porto Alegre on Cheapflights.

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 17m.

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 50m.

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

For as low as £859, Lufthansa can have you in Porto Alegre from London Heathrow Airport in 23h 40m. 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 TAP AIR PORTUGAL. Our recent data shows that you can find tickets from as low as £626 on this airline. Additional options worth looking into are Air France and LATAM Airlines, starting at £639 and £699 round-trip. You may be able to fly from London Heathrow Airport to Porto Alegre for 36% less than the average price by searching for these airlines.

What is the cheapest day to fly from London Heathrow Airport to Porto Alegre?

Travellers seeking maximum savings on their London Heathrow Airport to Porto Alegre flight should consider departing on Tuesday mornings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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

What is the cheapest day to fly round-trip from London Heathrow Airport to Porto Alegre?

Users have found that flying from London Heathrow Airport to Porto Alegre on a Thursday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest month to fly from London Heathrow Airport to Porto Alegre?

Our data shows that October tends to be the cheapest month to fly to Porto Alegre from London Heathrow Airport. Users have commonly found prices around £898 for the month, but tickets can be as low as £556. Due to multiple factors, prepare for potentially higher prices in July.

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.

£681+ Cheap Flights from London Heathrow Airport to Porto Alegre

Cheapflights Tip: The best prices from London Heathrow to Porto Alegre Salgado Filho are usually found in March or February, booked 13 days in advance, depart on a Monday or Thursday and return on a Monday

Cheap flight deals from Heathrow to Porto Alegre

Round-trip from	£807
One-way from	£681
Popular in	July
Cheapest in	March
Average price	£857

TAP AIR PORTUGAL
8/11-22/11
2 total stops
35h 25m total
London to Porto Alegre

Search Deals

TAP AIR PORTUGAL
6/10
1 total stop
29h 55m total
London to Porto Alegre

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£92 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£21 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Heathrow to Porto Alegre

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 12 9月 2025.

週四 18/908:40LHR - POA

2 stops19h 50mMultiple Airlines

週四 16/1011:05POA - LHR

2 stops22h 40mMultiple Airlines

Deal found 11/9£701

週四 18/917:35LHR - POA

2 stops20h 50mAir France

週四 16/1011:05POA - LHR

2 stops19h 25mAir France

Deal found 10/9£709

週一 15/906:30LHR - POA

2 stops22h 00mMultiple Airlines

週二 14/1013:55POA - LHR

2 stops19h 50mMultiple Airlines

Deal found 10/9£753

週五 19/908:40LHR - POA

2 stops20h 15mMultiple Airlines

週四 16/1011:05POA - LHR

2 stops22h 40mMultiple Airlines

Deal found 11/9£767

週四 18/921:20LHR - POA

1 stop25h 55mLATAM Airlines

週五 17/1006:40POA - LHR

1 stop28h 25mLATAM Airlines

Deal found 10/9£779

週四 18/908:00LHR - POA

1 stop16h 25mTAP AIR PORTUGAL

週六 18/1001:40POA - LHR

1 stop16h 20mTAP AIR PORTUGAL

Deal found 11/9£797

週四 18/908:40LHR - POA

2 stops19h 50mKLM

週五 17/1017:45POA - LHR

2 stops20h 05mKLM

Deal found 11/9£800

週三 17/918:45LHR - POA

1 stop29h 40mTAP AIR PORTUGAL

週六 27/901:40POA - LHR

1 stop31h 05mTAP AIR PORTUGAL

Deal found 12/9£802

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 12 9月 2025.

週二 25/1119:15LHR - POA

2 stops43h 20mLufthansa

週二 16/1214:55POA - LHR

2 stops18h 55mLufthansa

Deal found 10/9£857

週四 25/921:20LHR - POA

1 stop23h 40mLATAM Airlines

週日 5/1004:40POA - LHR

1 stop30h 25mLATAM Airlines

Deal found 12/9£859

週一 27/1011:15LHR - POA

2 stops28h 45mMultiple Airlines

週一 3/1117:50POA - LHR

2 stops35h 45mMultiple Airlines

Deal found 12/9£933

週二 28/1011:15LHR - POA

2 stops26h 20mAmerican Airlines

週六 8/1117:35POA - LHR

2 stops25h 35mAmerican Airlines

Deal found 11/9£946

週六 15/1106:20LHR - POA

2 stops31h 15mAir France

週六 29/1119:20POA - LHR

2 stops39h 25mAir France

Deal found 12/9£952

週四 25/906:00LHR - POA

1 stop18h 25mTAP AIR PORTUGAL

週六 4/1001:30POA - LHR

1 stop16h 30mTAP AIR PORTUGAL

Deal found 12/9£957

週六 8/1120:15LHR - POA

1 stop23h 50mLATAM Airlines

週六 22/1106:40POA - LHR

2 stops33h 55mLATAM Airlines

Deal found 12/9£884

週六 8/1106:30LHR - POA

2 stops20h 25mMultiple Airlines

週六 22/1118:25POA - LHR

2 stops19h 10mMultiple Airlines

Deal found 12/9£938

週日 26/1017:00LHR - POA

2 stops27h 10mAmerican Airlines

週日 9/1120:35POA - LHR

2 stops36h 30mAmerican Airlines

Deal found 11/9£946

週一 27/1020:15LHR - POA

1 stop23h 50mLATAM Airlines

週一 3/1106:40POA - LHR

1 stop28h 25mLATAM Airlines

Deal found 12/9£896

週六 15/1120:15LHR - POA

1 stop23h 50mLATAM Airlines

週五 28/1104:45POA - LHR

1 stop30h 20mLATAM Airlines

Deal found 12/9£941

Last-minute flights from Heathrow to Porto Alegre
Discover last-minute flight deals from Heathrow to Porto Alegre. Data last updated 12 9月 2025 and is based on user searches.

週一 15/906:30LHR - POA

2 stops22h 00mMultiple Airlines

週二 14/1013:55POA - LHR

2 stops19h 50mMultiple Airlines

Deal found 10/9£753

週三 17/918:45LHR - POA

1 stop29h 40mTAP AIR PORTUGAL

週六 27/901:40POA - LHR

1 stop31h 05mTAP AIR PORTUGAL

Deal found 12/9£802

週四 18/908:40LHR - POA

2 stops19h 50mMultiple Airlines

週四 16/1011:05POA - LHR

2 stops22h 40mMultiple Airlines

Deal found 11/9£701

週四 18/917:35LHR - POA

2 stops20h 50mAir France

週四 16/1011:05POA - LHR

2 stops19h 25mAir France

Deal found 10/9£709

週四 18/921:20LHR - POA

1 stop25h 55mLATAM Airlines

週五 17/1006:40POA - LHR

1 stop28h 25mLATAM Airlines

Deal found 10/9£779

週四 18/908:00LHR - POA

1 stop16h 25mTAP AIR PORTUGAL

週六 18/1001:40POA - LHR

1 stop16h 20mTAP AIR PORTUGAL

Deal found 11/9£797

週四 18/908:40LHR - POA

2 stops19h 50mKLM

週五 17/1017:45POA - LHR

2 stops20h 05mKLM

Deal found 11/9£800

週五 19/908:40LHR - POA

2 stops20h 15mMultiple Airlines

週四 16/1011:05POA - LHR

2 stops22h 40mMultiple Airlines

Deal found 11/9£767

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

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

週二 25/11

19:15-11:35

2 stops43h 20m

Porto Alegre Salgado Filho

週二 16/12

14:55-12:50

2 stops18h 55m

£857

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

週四 25/9

21:20-17:00

1 stop23h 40m

Porto Alegre Salgado Filho

週日 5/10

04:40-15:05

1 stop30h 25m

£859

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

週六 8/11

20:15-17:05

1 stop23h 50m

Porto Alegre Salgado Filho

週六 22/11

06:40-19:35

2 stops33h 55m

£884

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

週一 27/10

20:15-17:05

1 stop23h 50m

Porto Alegre Salgado Filho

週一 3/11

06:40-14:05

1 stop28h 25m

£896

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

週一 27/10

11:15-13:00

2 stops28h 45m

Porto Alegre Salgado Filho

週一 3/11

17:50-08:35

2 stops35h 45m

£933

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

週六 8/11

06:30-23:55

2 stops20h 25m

Porto Alegre Salgado Filho

週六 22/11

18:25-16:35

2 stops19h 10m

£938

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

週六 15/11

20:15-17:05

1 stop23h 50m

Porto Alegre Salgado Filho

週五 28/11

04:45-14:05

1 stop30h 20m

£941

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

週二 28/10

11:15-10:35

2 stops26h 20m

Porto Alegre Salgado Filho

週六 8/11

17:35-22:10

2 stops25h 35m

£946

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

週日 26/10

17:00-17:10

2 stops27h 10m

Porto Alegre Salgado Filho

週日 9/11

20:35-12:05

2 stops36h 30m

£946

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

週六 15/11

06:20-10:35

2 stops31h 15m

Porto Alegre Salgado Filho

週六 29/11

19:20-13:45

2 stops39h 25m

£952

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 13 results

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.

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

How far ahead should I book a flight from London Heathrow Airport to Porto Alegre?

The price you pay for your flight from London Heathrow Airport to Porto Alegre may vary depending on when you book. For the best chance of a lower fare, look to book 13 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Unlike at midday, when flights are generally more expensive, you can save up to 31% on flights from London Heathrow Airport to Porto Alegre by exploring options for tickets in the morning.

Reviews of airlines servicing Porto Alegre

Check out reviews from past customers who have flown with LATAM Airlines, Air France, 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.

LATAM Airlines

7.5

Good

1,847 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Darrel,Sept 2025

LIM - GRU

The Wi-Fi was not working, so there was no in-flight entertainment. The biggest disappointment was that my Delta diamond status did not transfer any status to my LATAM flight. I WOULD’VE THOUGHT THAT THERE WOULD BE A BETTER WORKING AGREEMENT BETWEEN THE AIRLINES.

LATAM Airlines

7.5

Good

1,847 reviews

LATAM Airlines

7.5

Good

1,847 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Darrel,Sept 2025

LIM - GRU

Air France

7.4

Good

1,469 reviews

LATAM Airlines

7.5

Good

1,847 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Darrel,Sept 2025

LIM - GRU

TAP AIR PORTUGAL

7.1

Good

1,977 reviews

LATAM Airlines

7.5

Good

1,847 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Darrel,Sept 2025

LIM - GRU

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 £859, Lufthansa can have you in Porto Alegre from London Heathrow Airport in 23h 40m. 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 TAP AIR PORTUGAL. Our recent data shows that you can find tickets from as low as £626 on this airline. Additional options worth looking into are Air France and LATAM Airlines, starting at £639 and £699 round-trip. You may be able to fly from London Heathrow Airport to Porto Alegre for 36% 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Heathrow to Porto Alegre

Gatwick to Porto Alegre flights

Top 3 airlines flying from Heathrow to Porto Alegre

Airline	Cheapest	Average	Flexibility	On-time
TAP AIR PORTUGAL	Cheapest£626	Average£930	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Air France	Cheapest£639	Average£747	FlexibilityNo cancel fee	On-time77%	Search Air France flights
LATAM Airlines	Cheapest£699	Average£936	FlexibilityNo cancel fee	On-time81%	Search LATAM Airlines flights

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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?

Of course! You can now track prices for flights from Heathrow to Porto Alegre and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from London Heathrow Airport to Porto Alegre from £681

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from London Heathrow to Porto Alegre Salgado Filho are usually found in March or February, booked 13 days in advance, depart on a Monday or Thursday and return on a Monday

Cheap flight deals from Heathrow to Porto Alegre

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 12 9月 2025.

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 12 9月 2025.

Cheapflights Fare Finder

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

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

How far ahead should I book a flight from London Heathrow Airport to Porto Alegre?

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

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

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

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

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

Reviews of airlines servicing Porto Alegre

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Porto Alegre. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Porto Alegre

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

Top 3 airlines flying from Heathrow to Porto Alegre

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

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

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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 12 9月 2025.