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

Flights via Sao Paulo (GRU) offer the fastest connection on this route, with an average stopover time of 2h 13m.

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

Sao Paulo (GRU) – chosen by Cheapflights users on 80% of one-stop itineraries from Porto Alegre to London Heathrow Airport on Cheapflights.

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

Flights via Sao Paulo (GRU) have the shortest average one-way travel time for one-stop routes: 15h 03m.

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

Lisbon (LIS) is the most affordable one-stop option, with an average return flight price of £773.

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

TAP AIR PORTUGAL and GOL can get you from Porto Alegre to London Heathrow Airport in just under 21h 10m. Your travel time can differ by up to 15m. Airlines will cover a distance of 6410 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

Cheapflights users have booked flights from Porto Alegre to London Heathrow Airport round-trip from £762. LATAM Airlines is 7% cheaper than the average price of flights available within the next 90 days to this destination.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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

Located just 4.0 mi from the city center, Porto Alegre Salgado Filho is the airport most travelers will use when flying to London Heathrow from Porto Alegre. Booking flights from Salgado Filho (POA) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 1 airline.

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

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

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

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

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

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

£332+ Flights from Porto Alegre to London Heathrow Airport

Q: How much does it cost for a return flight from Porto Alegre to London Heathrow Airport?

Airfare is below average for this route at the moment. Porto Alegre to London Heathrow Airport flights typically cost between £736 and £890 in November. The cheapest return flight price found within the last 3 days was £578 on TAP AIR PORTUGAL (4 Nov-26 Nov).

Cheap flight deals from Porto Alegre to Heathrow

Round-trip from	£578
One-way from	£332
Popular in	December
Cheapest in	February
Average price	£798

TAP AIR PORTUGAL
4/11-26/11
2 total stops
45h 10m total
Porto Alegre to London

Search Deals

5/2
3 total stops
46h 15m total
Porto Alegre to London

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (£27 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£10 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Find flight deals from Porto Alegre to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Porto Alegre to Heathrow
Explore the most affordable flight options available from Porto Alegre to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.

Tue 4/1121:10POA - LHR

1 stop21h 25mTAP AIR PORTUGAL

Wed 26/1118:30LHR - POA

1 stop27h 50mTAP AIR PORTUGAL

Deal found 15/10£579

Wed 12/1105:00POA - LHR

2 stops30h 05mLATAM Airlines

Wed 26/1120:15LHR - POA

1 stop20h 50mLATAM Airlines

Deal found 16/10£638

Sun 23/1110:05POA - LHR

1 stop25h 00mLATAM Airlines

Tue 2/1220:15LHR - POA

2 stops20h 55mLATAM Airlines

Deal found 15/10£643

Wed 3/1204:20POA - LHR

2 stops30h 45mLATAM Airlines

Fri 26/1213:25LHR - POA

2 stops25h 10mLATAM Airlines

Deal found 15/10£647

Thu 4/1214:05POA - LHR

2 stops21h 00mLATAM Airlines

Tue 7/421:20LHR - POA

1 stop18h 10mLATAM Airlines

Deal found 16/10£651

Thu 13/1120:10POA - LHR

1 stop14h 55mLATAM Airlines

Thu 20/1120:15LHR - POA

1 stop23h 50mLATAM Airlines

Deal found 15/10£672

Wed 12/1113:40POA - LHR

2 stops21h 10mGOL

Wed 19/1106:20LHR - POA

2 stops20h 10mGOL

Deal found 14/10£683

Best flights from Porto Alegre to Heathrow
Discover carefully curated flight deals from Porto Alegre to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 October 2025.

Tue 4/1121:10POA - LHR

1 stop21h 25mTAP AIR PORTUGAL

Wed 26/1118:30LHR - POA

1 stop27h 50mTAP AIR PORTUGAL

Deal found 16/10£678

Wed 12/1113:40POA - LHR

2 stops21h 10mGOL

Wed 19/1106:20LHR - POA

2 stops20h 10mGOL

Deal found 14/10£683

Sun 15/214:55POA - LHR

2 stops22h 40mLATAM Airlines

Tue 24/220:15LHR - POA

2 stops23h 30mLATAM Airlines

Deal found 16/10£769

Thu 4/1217:55POA - LHR

3 stops41h 30mGOL

Tue 7/408:40LHR - POA

2 stops19h 50mGOL

Deal found 15/10£737

Thu 12/300:45POA - LHR

1 stop15h 10mTAP AIR PORTUGAL

Thu 16/406:00LHR - POA

1 stop18h 25mTAP AIR PORTUGAL

Deal found 16/10£755

Thu 4/1214:55POA - LHR

2 stops20h 10mLATAM Airlines

Thu 1/120:15LHR - POA

1 stop20h 50mLATAM Airlines

Deal found 16/10£791

Thu 20/1113:40POA - LHR

2 stops21h 10mGOL

Sun 30/1119:20LHR - POA

2 stops32h 25mGOL

Deal found 15/10£762

Sun 8/215:25POA - LHR

2 stops22h 10mLATAM Airlines

Mon 16/220:15LHR - POA

1 stop16h 00mLATAM Airlines

Deal found 16/10£818

Sat 21/321:10POA - LHR

1 stop18h 45mTAP AIR PORTUGAL

Wed 25/318:30LHR - POA

1 stop26h 25mTAP AIR PORTUGAL

Deal found 16/10£832

Thu 4/1211:40POA - LHR

2 stops23h 10mGOL

Thu 1/106:30LHR - POA

2 stops20h 55mGOL

Deal found 16/10£818

Thu 19/220:10POA - LHR

1 stop14h 55mLATAM Airlines

Thu 26/220:15LHR - POA

1 stop26h 05mLATAM Airlines

Deal found 16/10£825

Thu 4/1212:30POA - LHR

2 stops22h 35mLATAM Airlines

Mon 29/1220:15LHR - POA

2 stops23h 30mLATAM Airlines

Deal found 16/10£825

Last-minute flights from Porto Alegre to Heathrow
Discover last-minute flight deals from Porto Alegre to Heathrow. Data last updated 17 October 2025 and is based on user searches.

Tue 4/1121:10POA - LHR

1 stop21h 25mTAP AIR PORTUGAL

Wed 26/1118:30LHR - POA

1 stop27h 50mTAP AIR PORTUGAL

Deal found 15/10£579

Tue 4/1113:40POA - LHR

2 stops21h 10mKLM

Wed 26/1120:25LHR - POA

2 stops30h 25mKLM

Deal found 16/10£710

Tue 4/1114:50POA - LHR

2 stops19h 10mMultiple Airlines

Wed 26/1107:40LHR - POA

2 stops28h 40mMultiple Airlines

Deal found 16/10£712

Wed 12/1105:00POA - LHR

2 stops30h 05mLATAM Airlines

Wed 26/1120:15LHR - POA

1 stop20h 50mLATAM Airlines

Deal found 16/10£638

Wed 12/1113:40POA - LHR

2 stops21h 10mGOL

Wed 19/1106:20LHR - POA

2 stops20h 10mGOL

Deal found 14/10£683

Wed 12/1114:50POA - LHR

1 stop20h 15mLATAM Airlines

Wed 19/1120:15LHR - POA

1 stop27h 35mLATAM Airlines

Deal found 14/10£692

Thu 13/1120:10POA - LHR

1 stop14h 55mLATAM Airlines

Thu 20/1120:15LHR - POA

1 stop23h 50mLATAM Airlines

Deal found 15/10£672

Sun 23/1110:05POA - LHR

1 stop25h 00mLATAM Airlines

Tue 2/1220:15LHR - POA

2 stops20h 55mLATAM Airlines

Deal found 15/10£643

One-way flights from Porto Alegre to Heathrow
Search for one-way flight options from Porto Alegre to Heathrow. Find affordable one-way fares based on user searches. Data last updated 17 October 2025.

Thu 5/213:40POA - LHR

3 stops46h 15mMultiple Airlines

Deal found 15/10£332

Wed 29/1020:10POA - LHR

1 stop14h 55mLATAM Airlines

Deal found 15/10£340

Mon 1/1214:55POA - LHR

1 stop20h 10mLATAM Airlines

Deal found 16/10£348

Sat 7/220:20POA - LHR

3 stops41h 15mMultiple Airlines

Deal found 15/10£349

Sat 15/1121:10POA - LHR

1 stop15h 20mTAP AIR PORTUGAL

Deal found 16/10£362

Wed 3/1204:45POA - LHR

1 stop30h 20mLATAM Airlines

Deal found 16/10£378

Sat 15/1110:25POA - LHR

3 stops48h 25mGOL

Deal found 16/10£380

Wed 29/1012:20POA - LHR

3 stops26h 10mMultiple Airlines

Deal found 15/10£399

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 4/11

21:10-21:35

1 stop21h 25m

London Heathrow

Wed 26/11

18:30-19:20

1 stop27h 50m

£678

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Wed 12/11

13:40-13:50

2 stops21h 10m

London Heathrow

Wed 19/11

06:20-23:30

2 stops20h 10m

£683

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 4/12

17:55-14:25

3 stops41h 30m

London Heathrow

Tue 7/4

08:40-00:30

2 stops19h 50m

£737

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 12/3

00:45-18:55

1 stop15h 10m

London Heathrow

Thu 16/4

06:00-20:25

1 stop18h 25m

£755

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 20/11

13:40-13:50

2 stops21h 10m

London Heathrow

Sun 30/11

19:20-00:45

2 stops32h 25m

£762

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sun 15/2

14:55-16:35

2 stops22h 40m

London Heathrow

Tue 24/2

20:15-16:45

2 stops23h 30m

£769

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 4/12

14:55-14:05

2 stops20h 10m

London Heathrow

Thu 1/1

20:15-14:05

1 stop20h 50m

£791

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sun 8/2

15:25-16:35

2 stops22h 10m

London Heathrow

Mon 16/2

20:15-09:15

1 stop16h 00m

£818

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 4/12

11:40-13:50

2 stops23h 10m

London Heathrow

Thu 1/1

06:30-00:25

2 stops20h 55m

£818

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 19/2

20:10-14:05

1 stop14h 55m

London Heathrow

Thu 26/2

20:15-19:20

1 stop26h 05m

£825

Flights are sorted by cheapest return flights first.

Deals found on 15/10

Showing 1-10 of 20 results

Best time to book a flight from Porto Alegre to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Porto Alegre 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 Porto Alegre to London Heathrow Airport

Prices

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

The best time to book flights from Porto Alegre to London Heathrow Airport is 58 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, March is the cheapest month in which you can book a flight from Porto Alegre to London Heathrow Airport (average of £517). Flying from Porto Alegre to London Heathrow Airport in September is currently the most expensive (average of £846). 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.

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

Unlike in the afternoon, when flights are generally more expensive, you can save up to 23% on flights from Porto Alegre to London Heathrow Airport by exploring options for tickets in the morning.

How much does it cost for a return flight from Porto Alegre to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Check out reviews from past customers who have flown with LATAM Airlines from Porto Alegre to London Heathrow Airport 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

1,866 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Juan Carlos,Sept 2025

MVD - SCL

My experience was good but on my way back from LA to Vegas when I was boarding I was pulled to the side and I was asked to show my passport, I ‘am an American Citizen since 2001. I was the only one who was asked, there was no reason for that. Other that it was a good experience.

LATAM Airlines

7.5

Good

1,866 reviews

LATAM Airlines

7.5

Good

1,866 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Juan Carlos,Sept 2025

MVD - SCL

Related info for your journey

What airport do you fly from for flights from Porto Alegre to London Heathrow?
Located just 4.0 mi from the city center, Porto Alegre Salgado Filho is the airport most travelers will use when flying to London Heathrow from Porto Alegre. Booking flights from Salgado Filho (POA) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 1 airline.
How long is the flight from Porto Alegre to London Heathrow Airport?
TAP AIR PORTUGAL and GOL can get you from Porto Alegre to London Heathrow Airport in just under 21h 10m. Your travel time can differ by up to 15m. Airlines will cover a distance of 6410 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What is the cheapest airline to fly from Porto Alegre to London Heathrow Airport round-trip?
Cheapflights users have booked flights from Porto Alegre to London Heathrow Airport round-trip from £762. LATAM Airlines is 7% cheaper than the average price of flights available within the next 90 days to this destination.
Can I find deals for flights from Porto Alegre to Heathrow that include hotel bookings?
Yes. In addition to deals on Porto Alegre to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Porto Alegre to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Porto Alegre to Heathrow.
Can I find deals for business class flights from Porto Alegre to Heathrow?
Yes. Cheapflights offers flight deals from Porto Alegre to Heathrow 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 Porto Alegre to London Heathrow Airport?
Currently, March is the cheapest month in which you can book a flight from Porto Alegre to London Heathrow Airport (average of £517). Flying from Porto Alegre to London Heathrow Airport in September is currently the most expensive (average of £846). 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

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Gatwick

Hounslow

Northampton

Luton

Wembley

Deal

Ilford

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Hayes

Watford

Winchester

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Romford

Ipswich

Brentford

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Top airline flying from Porto Alegre to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
LATAM Airlines	Cheapest£762	Average£866	FlexibilityNo cancel fee	On-time81%	Search LATAM Airlines flights

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

Cheapflights makes it easy to find Porto Alegre to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Porto Alegre.

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

Certainly. Search results for flights to Heathrow from Porto Alegre 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 Porto Alegre to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on Porto Alegre to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Porto Alegre to London Heathrow Airport from £332

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Porto Alegre to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Porto Alegre to Heathrow

Cheapest flights from Porto Alegre to HeathrowExplore the most affordable flight options available from Porto Alegre to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.

Explore the most affordable flight options available from Porto Alegre to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Porto Alegre to Heathrow

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

Cheapflights Insights

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

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

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

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

How much does it cost for a return flight from Porto Alegre to London Heathrow Airport?

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

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

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

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

Reviews of airlines servicing Heathrow

Check out reviews from past customers who have flown with LATAM Airlines from Porto Alegre to London Heathrow Airport 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.

Related info for your journey

Find useful and relevant information for your journey from Porto Alegre to Heathrow. 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 from for flights from Porto Alegre to London Heathrow?

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

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

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

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

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

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

Travelling to a place near London Heathrow Airport?

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 Porto Alegre to Heathrow

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

Top airline flying from Porto Alegre to Heathrow

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 Porto Alegre to Heathrow?

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

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

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

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Cheapest flights from Porto Alegre to Heathrow
Explore the most affordable flight options available from Porto Alegre to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.