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Cheap flights from Porto Alegre to London Heathrow Airport from £501

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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
POA — LHR
22 Jan — 29 Jan1
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 17 January 2025.

Round-trip from

£665

One-way from

£501

Popular in

May

Cheapest in

February

Average price

£800
LATAM Airlines
  • LATAM Airlines
  • 18/3-25/3
  • 3 total stops
  • 45h 05m total
  • Porto Alegre to London
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Avianca
  • Avianca
  • 12/2
  • 2 total stops
  • 53h 25m total
  • Porto Alegre to London
Search Deals
High demand for flights, 5% potential price rise
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Best time to find cheap flights, 1% potential price drop
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Average for round-trip flights in January 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 17 January 2025.

Tue 18/319:40POA - LHR
1 stop15h 25mLATAM Airlines
Tue 25/320:15LHR - POA
1 stop16h 05mLATAM Airlines
Deal found 16/1£665
Thu 6/211:45POA - LHR
2 stops25h 50mGOL
Sun 23/208:40LHR - POA
2 stops42h 25mGOL
Deal found 16/1£676
Thu 27/312:30POA - LHR
2 stops40h 35mSWISS
Sat 5/420:05LHR - POA
2 stops41h 10mSWISS
Deal found 16/1£713
Wed 12/212:30POA - LHR
2 stops28h 05mLufthansa
Mon 24/206:35LHR - POA
2 stops29h 50mLufthansa
Deal found 16/1£723
Mon 7/420:00POA - LHR
2 stops21h 20mMultiple Airlines
Fri 25/420:15LHR - POA
2 stops27h 00mMultiple Airlines
Deal found 16/1£727
Tue 1/421:55POA - LHR
1 stop15h 50mTAP AIR PORTUGAL
Wed 9/418:45LHR - POA
1 stop29h 40mTAP AIR PORTUGAL
Deal found 16/1£755
Mon 27/111:35POA - LHR
2 stops23h 15mKLM
Thu 13/211:45LHR - POA
2 stops39h 20mKLM
Deal found 16/1£818
Tue 11/216:20POA - LHR
2 stops18h 25mAir France
Sat 22/215:00LHR - POA
2 stops22h 50mAir France
Deal found 16/1£871
Wed 20/810:10POA - LHR
1 stop17h 45mBritish Airways
Wed 10/922:15LHR - POA
1 stop19h 35mBritish Airways
Deal found 16/1£907

Find flights from Porto Alegre to Heathrow within your budget

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 17 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 18/3

13:30-14:05

2 stops21h 35m

London Heathrow

Tue 25/3

20:15-16:45

1 stop23h 30m

£665

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 6/2

11:45-16:35

2 stops25h 50m

London Heathrow

Sun 23/2

08:40-00:05

2 stops42h 25m

£676

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 27/3

12:30-08:05

2 stops40h 35m

London Heathrow

Sat 5/4

20:05-09:15

2 stops41h 10m

£713

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Wed 12/2

12:30-19:35

2 stops28h 05m

London Heathrow

Mon 24/2

06:35-09:25

2 stops29h 50m

£723

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Mon 7/4

20:00-21:20

2 stops21h 20m

London Heathrow

Fri 25/4

21:20-15:55

1 stop22h 35m

£727

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 1/4

21:55-17:45

1 stop15h 50m

London Heathrow

Wed 9/4

18:45-20:25

1 stop29h 40m

£755

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Mon 27/1

11:35-13:50

2 stops23h 15m

London Heathrow

Thu 13/2

11:45-00:05

2 stops39h 20m

£818

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 11/2

16:20-13:45

2 stops18h 25m

London Heathrow

Sat 22/2

15:00-10:50

2 stops22h 50m

£871

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Wed 12/2

06:10-14:35

2 stops53h 25m

£501

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sat 15/2

18:55-07:30

2 stops33h 35m

£520

Flights are sorted by cheapest return flights first.

Deals found on 16/1

Showing 1-10 of 14 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.

Travel insights for flights from Porto Alegre to Heathrow

Get recent, data-driven insights about flights from Porto Alegre to Heathrow including ideal travel times, pricing trends, and more.

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 10 January 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 £161). 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 17 January 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 17 January 2025.
Peruse reviews from past customers who have flown with SWISS, LATAM Airlines and GOL 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
1,339 reviews
Check prices

Entertainment

7.2

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,339 reviews
KLM
7.8
Good
1,339 reviews
Check prices

Entertainment

7.2

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

LATAM Airlines
7.5
Good
1,854 reviews
KLM
7.8
Good
1,339 reviews
Check prices

Entertainment

7.2

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

SWISS
7.5
Good
1,598 reviews
KLM
7.8
Good
1,339 reviews
Check prices

Entertainment

7.2

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Air France
7.4
Good
1,487 reviews
KLM
7.8
Good
1,339 reviews
Check prices

Entertainment

7.2

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

United Airlines
7.4
Good
8,969 reviews
KLM
7.8
Good
1,339 reviews
Check prices

Entertainment

7.2

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

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 £665. Other airlines that can offer you cheap pricing are GOL, from £676, and SWISS, from £713. LATAM Airlines is 26% 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 Avianca, which is currently one of the cheapest options available, starting at £501. United Airlines flights start at £520 while deals on LATAM Airlines start at £546 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 £161). 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?

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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 17 January 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest£839Average£932FlexibilityNo 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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