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 £692. Other airlines that can offer you cheap pricing are GOL, from £700, and LATAM Airlines, from £768. SWISS is 20% 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 £491. SWISS flights start at £805 while deals on GOL start at £1,259 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 £856. Cheapflights users have found deals in the month of February for as cheap as £575. 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.

£406+ 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 60% 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 £656.

Cheap flight deals from Porto Alegre to Heathrow

Round-trip from	£692
One-way from	£406
Popular in	December
Cheapest in	February
Average price	£676

SWISS
18/3-25/3
4 total stops
55h 10m total
Porto Alegre to London

Search Deals

3/4
2 total stops
19h 00m total
Porto Alegre to London

Search Deals

High demand for flights, 1% potential price rise

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£11 potential savings vs. average return price).

Search Deals

Average for round-trip flights in February 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 21 February 2025.

Tue 18/312:30POA - LHR

2 stops30h 10mSWISS

Tue 25/313:45LHR - POA

2 stops25h 00mSWISS

Deal found 21/2£692

Mon 10/316:10POA - LHR

2 stops17h 50mMultiple Airlines

Wed 26/307:40LHR - POA

2 stops19h 25mMultiple Airlines

Deal found 20/2£696

Tue 30/918:35POA - LHR

2 stops17h 40mGOL

Tue 7/1006:15LHR - POA

2 stops22h 15mGOL

Deal found 20/2£698

Wed 2/417:45POA - LHR

1 stop17h 20mLATAM Airlines

Mon 7/421:20LHR - POA

1 stop18h 10mLATAM Airlines

Deal found 19/2£768

Sat 1/1121:10POA - LHR

1 stop17h 20mTAP AIR PORTUGAL

Sat 15/1106:00LHR - POA

1 stop16h 40mTAP AIR PORTUGAL

Deal found 20/2£803

Thu 29/518:35POA - LHR

2 stops22h 20mKLM

Fri 13/606:30LHR - POA

2 stops22h 00mKLM

Deal found 21/2£928

Fri 23/514:35POA - LHR

2 stops27h 35mLufthansa

Sun 22/606:30LHR - POA

2 stops30h 55mLufthansa

Deal found 21/2£968

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 21 February 2025.

Tue 18/312:30POA - LHR

2 stops30h 10mSWISS

Tue 25/313:45LHR - POA

2 stops25h 00mSWISS

Deal found 21/2£692

Mon 10/316:10POA - LHR

2 stops17h 50mMultiple Airlines

Wed 26/307:40LHR - POA

2 stops19h 25mMultiple Airlines

Deal found 20/2£696

Tue 18/310:30POA - LHR

2 stops27h 05mGOL

Tue 25/308:40LHR - POA

2 stops42h 25mGOL

Deal found 19/2£700

Wed 2/417:45POA - LHR

1 stop17h 20mLATAM Airlines

Mon 7/421:20LHR - POA

1 stop18h 10mLATAM Airlines

Deal found 19/2£768

Tue 8/423:15POA - LHR

1 stop19h 40mTAP AIR PORTUGAL

Thu 17/408:00LHR - POA

1 stop16h 25mTAP AIR PORTUGAL

Deal found 21/2£828

Thu 29/518:35POA - LHR

2 stops22h 20mKLM

Fri 13/606:30LHR - POA

2 stops22h 00mKLM

Deal found 21/2£928

Fri 23/514:35POA - LHR

2 stops27h 35mLufthansa

Sun 22/606:30LHR - POA

2 stops30h 55mLufthansa

Deal found 21/2£968

Sun 1/610:45POA - LHR

1 stop16h 05mBritish Airways

Mon 9/622:15LHR - POA

1 stop19h 35mBritish Airways

Deal found 21/2£1,038

Last-minute flights from Porto Alegre to Heathrow
Discover last-minute flight deals from Porto Alegre to Heathrow. Data last updated 21 February 2025 and is based on user searches.

Mon 24/212:30POA - LHR

1 stop15h 15mBritish Airways

Thu 6/311:40LHR - POA

1 stop30h 45mBritish Airways

Deal found 21/2£1,420

Fri 28/217:30POA - LHR

1 stop17h 50mLATAM Airlines

Fri 7/320:15LHR - POA

1 stop16h 05mLATAM Airlines

Deal found 19/2£1,172

Fri 28/219:20POA - LHR

2 stops41h 45mGOL

Fri 7/319:35LHR - POA

2 stops18h 15mGOL

Deal found 19/2£1,189

Fri 28/217:30POA - LHR

2 stops22h 05mMultiple Airlines

Fri 7/320:15LHR - POA

1 stop20h 45mMultiple Airlines

Deal found 19/2£1,226

Fri 28/212:30POA - LHR

2 stops21h 30mSWISS

Fri 7/307:00LHR - POA

3 stops31h 45mSWISS

Deal found 21/2£1,470

Mon 10/316:10POA - LHR

2 stops17h 50mMultiple Airlines

Wed 26/307:40LHR - POA

2 stops19h 25mMultiple Airlines

Deal found 20/2£696

Tue 18/312:30POA - LHR

2 stops30h 10mSWISS

Tue 25/313:45LHR - POA

2 stops25h 00mSWISS

Deal found 21/2£692

Tue 18/310:30POA - LHR

2 stops27h 05mGOL

Tue 25/308:40LHR - POA

2 stops42h 25mGOL

Deal found 19/2£700

Tue 18/319:40POA - LHR

1 stop15h 25mLATAM Airlines

Tue 25/320:15LHR - POA

1 stop18h 30mLATAM Airlines

Deal found 21/2£806

Sat 22/316:50POA - LHR

2 stops34h 50mUnited Airlines

Mon 21/414:10LHR - POA

2 stops27h 05mUnited Airlines

Deal found 20/2£1,115

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 21 February 2025.

Thu 3/415:15POA - LHR

2 stops19h 00mMultiple Airlines

Deal found 20/2£406

Thu 3/418:05POA - LHR

1 stop17h 00mLATAM Airlines

Deal found 20/2£491

Fri 1/814:35POA - LHR

3 stops46h 00mSWISS

Deal found 20/2£805

Fri 18/718:35POA - LHR

3 stops41h 40mGOL

Deal found 21/2£1,259

Find flights from Porto Alegre to Heathrow within your budget

Fly from

Fly to

Route

Depart

Return

Price

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 18/3

12:30-21:40

2 stops30h 10m

London Heathrow

Tue 25/3

13:45-11:45

2 stops25h 00m

£692

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Mon 10/3

16:10-13:00

2 stops17h 50m

London Heathrow

Wed 26/3

07:40-00:05

2 stops19h 25m

£696

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 18/3

10:30-16:35

2 stops27h 05m

London Heathrow

Tue 25/3

08:40-00:05

2 stops42h 25m

£700

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Wed 2/4

17:45-15:05

1 stop17h 20m

London Heathrow

Mon 7/4

21:20-11:30

1 stop18h 10m

£768

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 8/4

23:15-22:55

1 stop19h 40m

London Heathrow

Thu 17/4

08:00-20:25

1 stop16h 25m

£828

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 29/5

18:35-20:55

2 stops22h 20m

London Heathrow

Fri 13/6

06:30-00:30

2 stops22h 00m

£928

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Fri 23/5

14:35-22:10

2 stops27h 35m

London Heathrow

Sun 22/6

06:30-09:25

2 stops30h 55m

£968

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sun 1/6

10:45-06:50

1 stop16h 05m

London Heathrow

Mon 9/6

22:15-13:50

1 stop19h 35m

£1,038

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 3/4

15:15-14:15

2 stops19h 00m

£406

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 3/4

18:05-15:05

1 stop17h 00m

£491

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 12 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.

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?

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 £163). 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

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

1,333 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

YWG - YYZ

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

1,333 reviews

KLM

7.8

Good

1,333 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

YWG - YYZ

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

1,793 reviews

KLM

7.8

Good

1,333 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

YWG - YYZ

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

1,568 reviews

KLM

7.8

Good

1,333 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

YWG - YYZ

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.

GOL

7.3

Good

1,065 reviews

KLM

7.8

Good

1,333 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

YWG - YYZ

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.

TAP AIR PORTUGAL

7.1

Good

1,847 reviews

KLM

7.8

Good

1,333 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

YWG - YYZ

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

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 £692. Other airlines that can offer you cheap pricing are GOL, from £700, and LATAM Airlines, from £768. SWISS is 20% 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 £491. SWISS flights start at £805 while deals on GOL start at £1,259 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 £163). 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

Croydon

Gatwick

Slough

Luton

Ilford

Hayes

Eastbourne

Swindon

Northampton

Wembley

Southend-on-Sea

Ipswich

Winchester

Maidstone

Crawley

Southall

Watford

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£642	Average£903	FlexibilityNo cancel fee	On-time81%	Search LATAM Airlines flights

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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 £406

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 3/4. 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 21 February 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 21 February 2025.

Find flights from Porto Alegre to Heathrow within your budget

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.

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 14 February 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 21 February 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

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.

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

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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

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 21 February 2025.