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Cheap flights from Porto Alegre to London Heathrow Airport from £419

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
POA — LHR
30 Mar — 6 Apr1
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 25 March 2025.

Round-trip from

£656

One-way from

£419

Popular in

December

Cheapest in

February

Average price

£715
GOL
  • GOL
  • 20/5-4/6
  • 4 total stops
  • 48h 35m total
  • Porto Alegre to London
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13/5
  • 13/5
  • 2 total stops
  • 19h 00m total
  • Porto Alegre to London
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Highest demand for flights based on searches. 0% potential increase in price (£6 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).
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Average for round-trip flights in March 2025
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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 25 March 2025.

Tue 20/517:25POA - LHR
2 stops21h 10mGOL
Wed 4/608:40LHR - POA
2 stops27h 25mGOL
Deal found 24/3£656
Sat 7/613:35POA - LHR
2 stops24h 15mKLM
Sat 14/606:30LHR - POA
2 stops31h 15mKLM
Deal found 24/3£698
Fri 8/814:35POA - LHR
2 stops37h 20mSWISS
Sat 23/820:05LHR - POA
2 stops41h 20mSWISS
Deal found 23/3£750
Tue 29/700:15POA - LHR
1 stop17h 45mTAP AIR PORTUGAL
Wed 3/919:50LHR - POA
1 stop28h 35mTAP AIR PORTUGAL
Deal found 23/3£785
Sun 20/720:00POA - LHR
1 stop15h 05mLATAM Airlines
Thu 21/818:45LHR - POA
2 stops20h 45mLATAM Airlines
Deal found 25/3£810
Thu 3/417:45POA - LHR
1 stop17h 20mMultiple Airlines
Tue 3/608:45LHR - POA
2 stops19h 40mMultiple Airlines
Deal found 24/3£824
Sun 25/511:20POA - LHR
2 stops19h 10mAir France
Fri 6/609:00LHR - POA
2 stops20h 50mAir France
Deal found 24/3£865
Wed 14/514:35POA - LHR
2 stops22h 05mLufthansa
Sun 25/506:30LHR - POA
2 stops30h 55mLufthansa
Deal found 25/3£891

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 25 March 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 20/5

17:25-18:35

2 stops21h 10m

London Heathrow

Wed 4/6

08:40-08:05

2 stops27h 25m

£656

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sat 7/6

13:35-17:50

2 stops24h 15m

London Heathrow

Sat 14/6

06:30-09:45

2 stops31h 15m

£698

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Fri 8/8

14:35-07:55

2 stops37h 20m

London Heathrow

Sat 23/8

20:05-09:25

2 stops41h 20m

£750

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 29/7

00:15-22:00

1 stop17h 45m

London Heathrow

Wed 3/9

19:50-20:25

1 stop28h 35m

£785

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sun 20/7

20:00-15:05

1 stop15h 05m

London Heathrow

Thu 21/8

18:45-11:30

2 stops20h 45m

£810

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sun 25/5

11:20-10:30

2 stops19h 10m

London Heathrow

Fri 6/6

09:00-01:50

2 stops20h 50m

£865

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 6/5

12:35-15:05

1 stop22h 30m

London Heathrow

Tue 3/6

08:45-00:25

2 stops19h 40m

£871

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Wed 14/5

14:35-15:40

2 stops21h 05m

London Heathrow

Fri 30/5

07:30-09:25

2 stops29h 55m

£891

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 13/5

15:15-14:15

2 stops19h 00m

£419

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 13/5

20:00-15:05

1 stop15h 05m

£441

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 18 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 21 March 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 25 March 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.

Rainfall in Heathrow by month

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

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

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 25 March 2025.
Peruse reviews from past customers who have flown with KLM, LATAM Airlines and SWISS from Porto Alegre to London to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,318 reviews
Check prices

Entertainment

7.1

Overall

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,318 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Entertainment

7.1

Overall

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
LATAM Airlines
7.5
Good
1,749 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Entertainment

7.1

Overall

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
SWISS
7.5
Good
1,569 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Entertainment

7.1

Overall

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Air France
7.4
Good
1,423 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Entertainment

7.1

Overall

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
United Airlines
7.4
Good
8,605 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Entertainment

7.1

Overall

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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 £656. Other airlines that can offer you cheap pricing are KLM, from £698, and SWISS, from £750. GOL is 22% 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 £441. TAP AIR PORTUGAL flights start at £449 while deals on British Airways start at £679 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

Travelling to a place near Porto Alegre?

Book flights to Porto Alegre if you plan to visit one of these locations
Hounslow
Deal
Milton Keynes
Gatwick
Croydon
Luton
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Eastbourne
Wembley
Northampton
Swindon
Hayes
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Crawley
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Winchester
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Watford
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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.
Porto Alegre to Gatwick flights

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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest£627Average£919FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights

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?

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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