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 £594. Other airlines that can offer you cheap pricing are Air France, from £621, and Lufthansa, from £743. GOL is 27% 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 £513. GOL flights start at £598 while deals on British Airways start at £724 one-way.

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 £787. Cheapflights users have found deals in the month of February for as cheap as £542. 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.

£495+ 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 54% by booking at least 59 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 £618.

Cheap flight deals from Porto Alegre to Heathrow

Round-trip from	£594
One-way from	£495
Popular in	September
Cheapest in	February
Average price	£877

GOL
4/11-26/11
4 total stops
44h 25m total
Porto Alegre to London

Search Deals

9/8
2 total stops
28h 35m total
Porto Alegre to London

Search Deals

Highest demand for flights based on searches. 8% potential increase in price (£53 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 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 18 July 2025.

Tue 4/1111:40POA - LHR

2 stops23h 10mGOL

Wed 26/1106:30LHR - POA

2 stops21h 15mGOL

Deal found 17/7£594

Sat 1/1117:15POA - LHR

2 stops20h 20mAir France

Wed 12/1106:20LHR - POA

2 stops20h 10mAir France

Deal found 16/7£621

Sat 9/817:15POA - LHR

2 stops19h 00mMultiple Airlines

Mon 25/808:40LHR - POA

2 stops27h 25mMultiple Airlines

Deal found 16/7£722

Wed 5/1118:20POA - LHR

2 stops18h 30mLufthansa

Mon 17/1111:30LHR - POA

2 stops24h 50mLufthansa

Deal found 16/7£743

Sat 1/1121:10POA - LHR

1 stop21h 25mTAP AIR PORTUGAL

Fri 7/1118:30LHR - POA

1 stop28h 10mTAP AIR PORTUGAL

Deal found 16/7£746

Thu 7/820:00POA - LHR

1 stop15h 05mLATAM Airlines

Thu 21/821:20LHR - POA

1 stop16h 00mLATAM Airlines

Deal found 16/7£790

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 18 July 2025.

Tue 4/1111:40POA - LHR

2 stops23h 10mGOL

Wed 26/1106:30LHR - POA

2 stops21h 15mGOL

Deal found 17/7£594

Sat 1/1117:15POA - LHR

2 stops20h 20mAir France

Wed 12/1106:20LHR - POA

2 stops20h 10mAir France

Deal found 16/7£621

Sat 9/817:15POA - LHR

2 stops19h 00mMultiple Airlines

Mon 25/808:40LHR - POA

2 stops27h 25mMultiple Airlines

Deal found 16/7£722

Wed 5/1118:20POA - LHR

2 stops18h 30mLufthansa

Mon 17/1111:30LHR - POA

2 stops24h 50mLufthansa

Deal found 16/7£743

Sat 1/1121:10POA - LHR

1 stop21h 25mTAP AIR PORTUGAL

Fri 7/1118:30LHR - POA

1 stop28h 10mTAP AIR PORTUGAL

Deal found 16/7£746

Thu 7/820:00POA - LHR

1 stop15h 05mLATAM Airlines

Thu 21/821:20LHR - POA

1 stop16h 00mLATAM Airlines

Deal found 16/7£790

Last-minute flights from Porto Alegre to Heathrow
Discover last-minute flight deals from Porto Alegre to Heathrow. Data last updated 18 July 2025 and is based on user searches.

Fri 25/718:35POA - LHR

2 stops32h 25mEthiopian Air

Sat 9/821:00LHR - POA

2 stops41h 25mEthiopian Air

Deal found 17/7£1,059

Fri 25/718:35POA - LHR

2 stops17h 40mGOL

Sat 9/814:45LHR - POA

2 stops37h 45mGOL

Deal found 16/7£1,077

Fri 25/704:40POA - LHR

1 stop30h 25mLATAM Airlines

Wed 30/721:20LHR - POA

2 stops40h 05mLATAM Airlines

Deal found 16/7£1,164

Fri 25/720:00POA - LHR

1 stop15h 05mMultiple Airlines

Sat 9/815:35LHR - POA

2 stops21h 35mMultiple Airlines

Deal found 16/7£1,215

Mon 28/718:35POA - LHR

2 stops17h 40mKLM

Mon 4/808:40LHR - POA

2 stops19h 50mKLM

Deal found 16/7£1,350

Mon 28/712:35POA - LHR

3 stops28h 55mSWISS

Sat 2/807:00LHR - POA

3 stops30h 10mSWISS

Deal found 17/7£2,149

Sun 3/813:35POA - LHR

2 stops20h 10mAir France

Wed 20/806:15LHR - POA

2 stops22h 15mAir France

Deal found 16/7£639

Thu 7/806:00POA - LHR

2 stops30h 15mGOL

Thu 21/808:40LHR - POA

2 stops20h 40mGOL

Deal found 16/7£717

Thu 7/820:00POA - LHR

1 stop15h 05mLATAM Airlines

Thu 21/821:20LHR - POA

1 stop16h 00mLATAM Airlines

Deal found 16/7£790

Sat 9/817:15POA - LHR

2 stops19h 00mMultiple Airlines

Mon 25/808:40LHR - POA

2 stops27h 25mMultiple Airlines

Deal found 16/7£722

Sat 9/810:05POA - LHR

2 stops20h 35mLufthansa

Tue 26/818:30LHR - POA

2 stops18h 55mLufthansa

Deal found 17/7£803

Sat 16/801:40POA - LHR

1 stop31h 05mTAP AIR PORTUGAL

Wed 3/919:50LHR - POA

1 stop28h 35mTAP AIR PORTUGAL

Deal found 16/7£876

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 18 July 2025.

Sat 9/805:40POA - LHR

2 stops28h 35mMultiple Airlines

Deal found 18/7£495

Sat 9/818:55POA - LHR

2 stops19h 20mLATAM Airlines

Deal found 15/7£513

Fri 12/917:45POA - LHR

2 stops18h 50mGOL

Deal found 16/7£598

Sat 9/810:05POA - LHR

1 stop18h 05mBritish Airways

Deal found 15/7£724

Sat 9/810:05POA - LHR

3 stops22h 45mLufthansa

Deal found 17/7£778

Tue 2/900:30POA - LHR

1 stop17h 30mTAP AIR PORTUGAL

Deal found 16/7£1,006

Wed 7/114:45POA - LHR

3 stops27h 40mSWISS

Deal found 17/7£1,257

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

11:40-13:50

2 stops23h 10m

London Heathrow

Wed 26/11

06:30-00:45

2 stops21h 15m

£594

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sat 1/11

17:15-16:35

2 stops20h 20m

London Heathrow

Wed 12/11

06:20-23:30

2 stops20h 10m

£621

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sat 9/8

17:15-16:15

2 stops19h 00m

London Heathrow

Mon 25/8

08:40-08:05

2 stops27h 25m

£722

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Wed 5/11

18:20-15:50

2 stops18h 30m

London Heathrow

Mon 17/11

11:30-09:20

2 stops24h 50m

£743

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sat 1/11

21:10-21:35

1 stop21h 25m

London Heathrow

Sat 15/11

06:00-19:40

1 stop16h 40m

£746

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 7/8

20:00-15:05

1 stop15h 05m

London Heathrow

Thu 21/8

21:20-09:20

1 stop16h 00m

£790

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sat 9/8

05:40-14:15

2 stops28h 35m

£495

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sat 9/8

18:55-18:15

2 stops19h 20m

£513

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Fri 12/9

17:45-16:35

2 stops18h 50m

£598

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sat 9/8

10:05-08:10

1 stop18h 05m

£724

Flights are sorted by cheapest return flights first.

Deals found on 18/7

Showing 1-10 of 13 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.

Reviews of airlines servicing Heathrow

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

Air France

7.5

Good

1,465 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.

Air France

7.5

Good

1,465 reviews

Air France

7.5

Good

1,465 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

SYLVIA,Apr 2025

TLV - CDG

LATAM Airlines

7.5

Good

1,810 reviews

Air France

7.5

Good

1,465 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

SYLVIA,Apr 2025

TLV - CDG

SWISS

7.5

Good

1,661 reviews

Air France

7.5

Good

1,465 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

SYLVIA,Apr 2025

TLV - CDG

GOL

7.3

Good

1,089 reviews

Air France

7.5

Good

1,465 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

SYLVIA,Apr 2025

TLV - CDG

TAP AIR PORTUGAL

7.1

Good

1,922 reviews

Air France

7.5

Good

1,465 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

SYLVIA,Apr 2025

TLV - CDG

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 £594. Other airlines that can offer you cheap pricing are Air France, from £621, and Lufthansa, from £743. GOL is 27% 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 £513. GOL flights start at £598 while deals on British Airways start at £724 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

Milton Keynes

Croydon

Hounslow

Deal

Northampton

Gatwick

Slough

Luton

Wembley

Crawley

Eastbourne

Ilford

Hayes

Ipswich

Southend-on-Sea

Folkestone

Watford

Winchester

Swindon

Maidstone

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£763	Average£868	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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Porto Alegre to London Heathrow Airport from £495

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 9/8. 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 18 July 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 18 July 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 11 July 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 18 July 2025.

Reviews of airlines servicing Heathrow

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

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 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?

100% Free

Book with Flexibility

Travel Smart

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 18 July 2025.