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 16m.

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 05m.

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

Sao Paulo (GRU) – chosen by Cheapflights users on 75% of one-stop itineraries from Porto Alegre to London Heathrow Airport on Cheapflights.

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 £764.

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 18h 55m. Your travel time can differ by up to 2h 10m. 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 £753. LATAM Airlines is 6% 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 is the cheapest month to fly from Porto Alegre to London Heathrow Airport?

February can be a great time to fly to London Heathrow Airport from Porto Alegre with a flight ticket averaging about £775. Cheapflights users have found deals in the month of February for as cheap as £534. The most expensive prices can be found in the month of July.

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.

£365+ Flights from Porto Alegre to London Heathrow Airport

Cheap flight deals from Porto Alegre to Heathrow

Round-trip from	£553
One-way from	£365
Popular in	September
Cheapest in	February
Average price	£943

GOL
4/11-26/11
4 total stops
43h 55m total
Porto Alegre to London

Search Deals

30/9
3 total stops
40h 35m total
Porto Alegre to London

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (£48 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 September 2025

Search Deals

Find flight deals from Porto Alegre to Heathrow

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 16 September 2025.

Tue 4/1113:40POA - LHR

2 stops23h 55mGOL

Wed 26/1106:30LHR - POA

2 stops20h 00mGOL

Deal found 14/9£553

Thu 6/1100:45POA - LHR

1 stop18h 55mTAP AIR PORTUGAL

Fri 21/1118:30LHR - POA

1 stop28h 10mTAP AIR PORTUGAL

Deal found 15/9£576

Tue 4/1121:10POA - LHR

1 stop22h 30mTAP AIR PORTUGAL

Wed 26/1118:30LHR - POA

1 stop27h 50mTAP AIR PORTUGAL

Deal found 14/9£577

Fri 7/1113:40POA - LHR

2 stops23h 55mGOL

Fri 21/1106:30LHR - POA

2 stops36h 10mGOL

Deal found 15/9£592

Thu 20/1113:40POA - LHR

2 stops21h 10mMultiple Airlines

Sun 30/1117:35LHR - POA

2 stops32h 55mMultiple Airlines

Deal found 15/9£603

Fri 7/1113:40POA - LHR

2 stops23h 55mGOL

Fri 14/1114:45LHR - POA

2 stops45h 50mGOL

Deal found 14/9£621

Mon 3/1117:50POA - LHR

2 stops34h 50mMultiple Airlines

Thu 13/1119:20LHR - POA

2 stops32h 25mMultiple Airlines

Deal found 14/9£628

Fri 21/1111:40POA - LHR

2 stops23h 45mGOL

Fri 28/1106:30LHR - POA

2 stops21h 15mGOL

Deal found 15/9£628

Thu 18/1214:50POA - LHR

1 stop20h 15mLATAM Airlines

Wed 7/120:15LHR - POA

1 stop18h 20mLATAM Airlines

Deal found 15/9£638

Mon 3/1117:50POA - LHR

2 stops17h 00mGOL

Thu 13/1119:20LHR - POA

2 stops31h 10mGOL

Deal found 15/9£639

Fri 31/1017:50POA - LHR

2 stops17h 35mGOL

Mon 10/1106:30LHR - POA

2 stops21h 15mGOL

Deal found 14/9£648

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 16 September 2025.

Thu 6/1100:45POA - LHR

1 stop18h 55mTAP AIR PORTUGAL

Fri 21/1118:30LHR - POA

1 stop28h 10mTAP AIR PORTUGAL

Deal found 15/9£576

Tue 18/1113:40POA - LHR

2 stops21h 05mGOL

Tue 25/1106:30LHR - POA

2 stops21h 15mGOL

Deal found 14/9£592

Fri 13/314:55POA - LHR

2 stops20h 10mLATAM Airlines

Sun 19/421:20LHR - POA

1 stop18h 10mLATAM Airlines

Deal found 15/9£734

Fri 13/313:40POA - LHR

2 stops23h 55mGOL

Sun 19/408:40LHR - POA

2 stops19h 50mGOL

Deal found 14/9£692

Fri 13/313:40POA - LHR

2 stops21h 05mGOL

Thu 16/408:40LHR - POA

2 stops27h 30mGOL

Deal found 15/9£692

Sat 1/1110:25POA - LHR

3 stops48h 25mGOL

Sat 15/1106:30LHR - POA

2 stops20h 25mGOL

Deal found 14/9£705

Sun 1/311:15POA - LHR

2 stops20h 15mGOL

Sun 15/306:30LHR - POA

2 stops20h 00mGOL

Deal found 13/9£712

Sat 1/1119:20POA - LHR

2 stops39h 30mGOL

Wed 12/1109:00LHR - POA

2 stops31h 00mGOL

Deal found 15/9£713

Sat 31/119:20POA - LHR

2 stops39h 30mGOL

Sat 28/219:20LHR - POA

2 stops32h 30mGOL

Deal found 14/9£722

Last-minute flights from Porto Alegre to Heathrow
Discover last-minute flight deals from Porto Alegre to Heathrow. Data last updated 16 September 2025 and is based on user searches.

Wed 8/1017:45POA - LHR

2 stops18h 30mGOL

Tue 21/1006:15LHR - POA

2 stops22h 40mGOL

Deal found 15/9£713

Thu 9/1008:45POA - LHR

2 stops27h 30mGOL

Tue 21/1006:15LHR - POA

2 stops22h 40mGOL

Deal found 15/9£732

Fri 10/1010:25POA - LHR

2 stops31h 00mGOL

Mon 20/1017:35LHR - POA

2 stops35h 20mGOL

Deal found 15/9£743

Wed 22/1013:55POA - LHR

2 stops22h 20mGOL

Mon 3/1117:35LHR - POA

2 stops34h 10mGOL

Deal found 15/9£688

Thu 30/1019:30POA - LHR

2 stops39h 55mGOL

Mon 10/1106:30LHR - POA

2 stops21h 15mGOL

Deal found 14/9£712

Thu 30/1020:10POA - LHR

1 stop14h 55mLATAM Airlines

Mon 10/1120:15LHR - POA

2 stops23h 35mLATAM Airlines

Deal found 14/9£722

Thu 30/1000:45POA - LHR

1 stop17h 50mTAP AIR PORTUGAL

Mon 10/1118:30LHR - POA

1 stop28h 10mTAP AIR PORTUGAL

Deal found 16/9£776

Fri 31/1017:50POA - LHR

2 stops17h 35mGOL

Mon 10/1106:30LHR - POA

2 stops21h 15mGOL

Deal found 14/9£648

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 16 September 2025.

Tue 30/901:25POA - LHR

3 stops40h 35mMultiple Airlines

Deal found 15/9£365

Mon 1/1217:55POA - LHR

1 stop17h 10mLATAM Airlines

Deal found 14/9£391

Wed 8/1013:55POA - LHR

2 stops21h 40mAvianca

Deal found 14/9£393

Wed 8/1012:35POA - LHR

1 stop22h 30mLATAM Airlines

Deal found 15/9£395

Thu 2/1020:00POA - LHR

1 stop15h 05mLATAM Airlines

Deal found 15/9£425

Mon 29/912:35POA - LHR

1 stop22h 30mLATAM Airlines

Deal found 15/9£426

Wed 1/1009:55POA - LHR

2 stops25h 10mLATAM Airlines

Deal found 15/9£430

Sat 4/1020:00POA - LHR

1 stop15h 05mLATAM Airlines

Deal found 15/9£441

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

Thu 6/11

00:45-22:40

1 stop18h 55m

London Heathrow

Fri 21/11

18:30-19:40

1 stop28h 10m

£576

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 18/11

13:40-13:45

2 stops21h 05m

London Heathrow

Tue 25/11

06:30-00:45

2 stops21h 15m

£592

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Fri 13/3

13:40-16:35

2 stops23h 55m

London Heathrow

Sun 19/4

08:40-00:30

2 stops19h 50m

£692

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Fri 13/3

13:40-13:45

2 stops21h 05m

London Heathrow

Thu 16/4

08:40-08:10

2 stops27h 30m

£692

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sat 1/11

10:25-13:50

3 stops48h 25m

London Heathrow

Sat 15/11

06:30-23:55

2 stops20h 25m

£705

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sun 1/3

11:15-10:30

2 stops20h 15m

London Heathrow

Sun 15/3

06:30-23:30

2 stops20h 00m

£712

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sat 1/11

19:20-13:50

2 stops39h 30m

London Heathrow

Wed 12/11

09:00-13:00

2 stops31h 00m

£713

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sat 31/1

19:20-13:50

2 stops39h 30m

London Heathrow

Sat 28/2

19:20-00:50

2 stops32h 30m

£722

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Fri 13/3

14:55-14:05

2 stops20h 10m

London Heathrow

Sun 19/4

21:20-11:30

1 stop18h 10m

£734

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 2/10

01:25-17:45

3 stops36h 20m

£365

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 16 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, January is the cheapest month in which you can book a flight from Porto Alegre to London Heathrow Airport (average of £112). Flying from Porto Alegre to London Heathrow Airport in August is currently the most expensive (average of £164). 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?

When flying from Porto Alegre to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

1,847 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

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 18h 55m. Your travel time can differ by up to 2h 10m. 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 £753. LATAM Airlines is 6% 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, January is the cheapest month in which you can book a flight from Porto Alegre to London Heathrow Airport (average of £112). Flying from Porto Alegre to London Heathrow Airport in August is currently the most expensive (average of £164). 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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Top airline flying from Porto Alegre to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
LATAM Airlines	Cheapest£753	Average£856	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 £365

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 30/9. 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 16 September 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 16 September 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?

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

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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

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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 16 September 2025.