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.
POA — LHR
23 Jul — 30 Jul1
1 adult

Cheap flight deals from Porto Alegre to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Porto Alegre (POA) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 July 2025.

Round-trip from

£594

One-way from

£495

Popular in

September

Cheapest in

February

Average price

£877
GOL
  • GOL
  • 4/11-26/11
  • 4 total stops
  • 44h 25m total
  • Porto Alegre to London
9/8
  • 9/8
  • 2 total stops
  • 28h 35m total
  • Porto Alegre to London
Highest demand for flights based on searches. 8% potential increase in price (£53 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).
Average for round-trip flights in July 2025

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

Cheapflights Fare Finder

Customise your flight search to find flights from Porto Alegre to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 July 2025.
Use the filters below to find and compare flights from Porto Alegre to London Heathrow Airport that are best for you.

Fly from

Porto Alegre

Fly to

Heathrow

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
1
2

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?

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.

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?

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.

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

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 18 July 2025.
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.

Boarding

7.4

Entertainment

7.0

Comfort

7.4

Crew

8.2

Overall

7.5

Food

7.0

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.

Boarding

7.4

Entertainment

7.0

Comfort

7.4

Crew

8.2

Overall

7.5

Food

7.0

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.

Boarding

7.4

Entertainment

7.0

Comfort

7.4

Crew

8.2

Overall

7.5

Food

7.0

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.

Boarding

7.4

Entertainment

7.0

Comfort

7.4

Crew

8.2

Overall

7.5

Food

7.0

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.

Boarding

7.4

Entertainment

7.0

Comfort

7.4

Crew

8.2

Overall

7.5

Food

7.0

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.

Boarding

7.4

Entertainment

7.0

Comfort

7.4

Crew

8.2

Overall

7.5

Food

7.0

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.

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?

    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

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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

Discover the top airline that operate flights from Porto Alegre to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 July 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest£763Average£868FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights

Fly with Cheapflights

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

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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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