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

Cheapflights users have booked flights from Porto Alegre to London Heathrow Airport round-trip from £639. Other airlines that can offer you cheap pricing are LATAM Airlines, from £658, and TAP AIR PORTUGAL, from £670. GOL is 21% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Porto Alegre to London Heathrow Airport one-way?

To fly one-way, consider booking your trip with LATAM Airlines, which is currently one of the cheapest options available, starting at £461. TAP AIR PORTUGAL flights start at £509 while deals on United Airlines start at £556 one-way.

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 £794. Cheapflights users have found deals in the month of February for as cheap as £541. 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.

£461+ Flights from Porto Alegre to London Heathrow Airport

Q: How far in advance should I book a flight from Porto Alegre to London Heathrow Airport?

Find a great deal and save up to 56% by booking at least 47 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Porto Alegre to London Heathrow Airport within the next two weeks, with the cheapest ticket starting at £617.

Cheap flight deals from Porto Alegre to Heathrow

Round-trip from	£639
One-way from	£461
Popular in	December
Cheapest in	February
Average price	£794

GOL
21/7-10/9
4 total stops
41h 25m total
Porto Alegre to London

Search Deals

LATAM Airlines
5/6
1 total stop
20h 30m total
Porto Alegre to London

Search Deals

Highest demand for flights based on searches. 2% potential increase in price (£18 potential increase over avg. return price).

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

Search Deals

Average for round-trip flights in April 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 30 April 2025.

Mon 21/717:00POA - LHR

2 stops21h 35mGOL

Wed 10/908:40LHR - POA

2 stops19h 50mGOL

Deal found 29/4£639

Fri 7/1113:00POA - LHR

2 stops22h 05mLATAM Airlines

Sun 23/1120:15LHR - POA

1 stop16h 00mLATAM Airlines

Deal found 29/4£658

Tue 21/1000:15POA - LHR

1 stop18h 40mTAP AIR PORTUGAL

Mon 3/1118:30LHR - POA

1 stop28h 10mTAP AIR PORTUGAL

Deal found 29/4£670

Sat 1/1114:35POA - LHR

1 stop20h 30mMultiple Airlines

Sat 15/1109:15LHR - POA

2 stops18h 25mMultiple Airlines

Deal found 29/4£736

Fri 8/814:35POA - LHR

2 stops24h 05mLufthansa

Sat 23/816:30LHR - POA

2 stops20h 55mLufthansa

Deal found 29/4£797

Mon 27/1014:35POA - LHR

3 stops23h 05mSWISS

Thu 13/1118:40LHR - POA

2 stops20h 00mSWISS

Deal found 29/4£895

Sun 17/813:35POA - LHR

2 stops25h 50mKLM

Sat 6/906:30LHR - POA

2 stops22h 10mKLM

Deal found 29/4£917

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 30 April 2025.

Mon 21/717:00POA - LHR

2 stops21h 35mGOL

Wed 10/908:40LHR - POA

2 stops19h 50mGOL

Deal found 29/4£639

Mon 27/1017:55POA - LHR

1 stop17h 10mLATAM Airlines

Thu 13/1120:15LHR - POA

1 stop18h 25mLATAM Airlines

Deal found 29/4£658

Tue 21/1000:15POA - LHR

1 stop18h 40mTAP AIR PORTUGAL

Mon 3/1118:30LHR - POA

1 stop28h 10mTAP AIR PORTUGAL

Deal found 29/4£670

Wed 8/1012:35POA - LHR

1 stop22h 30mMultiple Airlines

Wed 22/1020:15LHR - POA

2 stops27h 00mMultiple Airlines

Deal found 29/4£760

Fri 8/814:35POA - LHR

2 stops24h 05mLufthansa

Sat 23/816:30LHR - POA

2 stops20h 55mLufthansa

Deal found 29/4£797

Mon 27/1014:35POA - LHR

3 stops23h 05mSWISS

Thu 13/1118:40LHR - POA

2 stops20h 00mSWISS

Deal found 29/4£895

Sun 17/813:35POA - LHR

2 stops25h 50mKLM

Sat 6/906:30LHR - POA

2 stops22h 10mKLM

Deal found 29/4£917

Last-minute flights from Porto Alegre to Heathrow
Discover last-minute flight deals from Porto Alegre to Heathrow. Data last updated 30 April 2025 and is based on user searches.

Fri 2/511:05POA - LHR

2 stops26h 45mKLM

Mon 5/508:40LHR - POA

2 stops19h 50mKLM

Deal found 29/4£1,305

Tue 6/513:35POA - LHR

2 stops20h 10mGOL

Tue 3/608:40LHR - POA

2 stops29h 45mGOL

Deal found 29/4£988

Tue 6/520:00POA - LHR

2 stops19h 35mMultiple Airlines

Tue 3/621:20LHR - POA

1 stop16h 00mMultiple Airlines

Deal found 29/4£1,081

Tue 20/514:35POA - LHR

3 stops22h 00mSWISS

Tue 3/618:40LHR - POA

2 stops18h 40mSWISS

Deal found 29/4£1,036

Tue 20/514:35POA - LHR

2 stops27h 35mLufthansa

Fri 23/507:30LHR - POA

2 stops29h 55mLufthansa

Deal found 29/4£1,172

Sat 24/501:40POA - LHR

1 stop28h 40mTAP AIR PORTUGAL

Fri 6/618:45LHR - POA

1 stop31h 50mTAP AIR PORTUGAL

Deal found 29/4£949

Wed 28/513:35POA - LHR

2 stops22h 40mGOL

Wed 4/606:15LHR - POA

2 stops23h 45mGOL

Deal found 29/4£785

Wed 28/520:00POA - LHR

1 stop15h 05mLATAM Airlines

Wed 4/621:20LHR - POA

1 stop18h 10mLATAM Airlines

Deal found 29/4£855

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 30 April 2025.

Thu 5/614:35POA - LHR

1 stop20h 30mLATAM Airlines

Deal found 29/4£461

Sat 19/701:40POA - LHR

1 stop28h 40mTAP AIR PORTUGAL

Deal found 29/4£509

Sun 20/710:30POA - LHR

2 stops23h 15mMultiple Airlines

Deal found 29/4£520

Sun 11/518:35POA - LHR

2 stops33h 45mUnited Airlines

Deal found 29/4£556

Fri 15/818:35POA - LHR

3 stops41h 40mGOL

Deal found 29/4£1,187

Sun 11/514:35POA - LHR

3 stops23h 55mSWISS

Deal found 29/4£1,251

Sat 10/518:35POA - LHR

2 stops39h 50mEmirates

Deal found 29/4£1,741

Sat 10/511:20POA - LHR

3 stops22h 30mKLM

Deal found 29/4£4,947

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

Mon 21/7

17:00-18:35

2 stops21h 35m

London Heathrow

Wed 10/9

08:40-00:30

2 stops19h 50m

£639

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Mon 27/10

17:55-14:05

1 stop17h 10m

London Heathrow

Thu 13/11

20:15-11:40

1 stop18h 25m

£658

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 21/10

00:15-22:55

1 stop18h 40m

London Heathrow

Mon 3/11

18:30-19:40

1 stop28h 10m

£670

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Wed 8/10

12:35-15:05

1 stop22h 30m

London Heathrow

Wed 22/10

20:15-19:15

2 stops27h 00m

£760

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Fri 8/8

14:35-18:40

2 stops24h 05m

London Heathrow

Sat 23/8

16:30-09:25

2 stops20h 55m

£797

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Mon 27/10

14:35-16:40

3 stops23h 05m

London Heathrow

Thu 13/11

18:40-11:40

2 stops20h 00m

£895

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sun 17/8

13:35-19:25

2 stops25h 50m

London Heathrow

Sat 6/9

06:30-00:40

2 stops22h 10m

£917

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 5/6

14:35-15:05

1 stop20h 30m

£461

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sat 19/7

01:40-10:20

1 stop28h 40m

£509

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sun 20/7

10:30-13:45

2 stops23h 15m

£520

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 15 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

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.

Rainfall in Heathrow by month

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.

Temperature in Heathrow by month

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).

Reviews of airlines servicing Heathrow

Emirates

8.0

Very Good

3,215 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

dhia,Mar 2024

CDG - DXB

Good although thete was 2 hours delay in the flight but still is good 😊

Emirates

8.0

Very Good

3,215 reviews

Emirates

8.0

Very Good

3,215 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

dhia,Mar 2024

CDG - DXB

Good although thete was 2 hours delay in the flight but still is good 😊

KLM

7.8

Good

1,334 reviews

Emirates

8.0

Very Good

3,215 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

dhia,Mar 2024

CDG - DXB

Good although thete was 2 hours delay in the flight but still is good 😊

LATAM Airlines

7.5

Good

1,767 reviews

Emirates

8.0

Very Good

3,215 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

dhia,Mar 2024

CDG - DXB

Good although thete was 2 hours delay in the flight but still is good 😊

SWISS

7.5

Good

1,588 reviews

Emirates

8.0

Very Good

3,215 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

dhia,Mar 2024

CDG - DXB

Good although thete was 2 hours delay in the flight but still is good 😊

United Airlines

7.4

Good

8,696 reviews

Emirates

8.0

Very Good

3,215 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

dhia,Mar 2024

CDG - DXB

Good although thete was 2 hours delay in the flight but still is good 😊

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.
What are the cheapest airlines flying from Porto Alegre to London Heathrow Airport round-trip?
Cheapflights users have booked flights from Porto Alegre to London Heathrow Airport round-trip from £639. Other airlines that can offer you cheap pricing are LATAM Airlines, from £658, and TAP AIR PORTUGAL, from £670. GOL is 21% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Porto Alegre to London Heathrow Airport one-way?
To fly one-way, consider booking your trip with LATAM Airlines, which is currently one of the cheapest options available, starting at £461. TAP AIR PORTUGAL flights start at £509 while deals on United Airlines start at £556 one-way.
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

Deal

Hounslow

Milton Keynes

Gatwick

Luton

Slough

Croydon

Eastbourne

Northampton

Ilford

Hayes

Southend-on-Sea

Crawley

Wembley

Ipswich

Maidstone

Winchester

Swindon

Folkestone

Dartford

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Porto Alegre to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
LATAM Airlines	Cheapest£605	Average£903	FlexibilityNo cancel fee	On-time81%	Search LATAM Airlines flights

Fly with Cheapflights

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 £461

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 5/6. 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 30 April 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 30 April 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?

Use this chart to determine the optimal time to book a return flight from Porto Alegre to Heathrow. Price data was last updated on 25 April 2025.

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?

Find hourly flight availability from Porto Alegre to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 April 2025.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

Reviews of airlines servicing Heathrow

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?

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

What are the cheapest airlines to fly from Porto Alegre to London Heathrow Airport one-way?

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 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 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 30 April 2025.