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Cheap flights from Porto Alegre to London from £359

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Porto Alegre to London departing on 1/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Porto Alegre to London

Cheap return flights

Logo
17:55 - 09:00POA-LHR
36h 05m2 stops
Logo
06:30 - 23:55LHR-POA
20h 25m2 stops
£628
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Sat, 1 Nov - Sat, 15 Nov
GOL Logo
13:40 - 13:50POA-LHR
21h 10m2 stops
GOL Logo
06:30 - 23:30LHR-POA
20h 00m2 stops
£669GOL
Find Deal
Mon, 3 Nov - Thu, 13 Nov
GOL Logo
19:20 - 16:05POA-LHR
41h 45m2 stops
GOL Logo
06:20 - 08:00LHR-POA
28h 40m2 stops
£670GOL
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Fri, 7 Nov - Fri, 21 Nov
Lufthansa Logo
14:45 - 14:45POA-LHR
21h 00m2 stops
Lufthansa Logo
07:40 - 01:05LHR-POA
20h 25m2 stops
£741Lufthansa
Find Deal
Fri, 13 Feb - Fri, 20 Mar
TAP AIR PORTUGAL Logo
21:10 - 17:30POA-LHR
17h 20m1 stop
TAP AIR PORTUGAL Logo
18:30 - 19:40LHR-POA
28h 10m1 stop
£743TAP AIR PORTUGAL
Find Deal
Tue, 4 Nov - Wed, 26 Nov
TAP AIR PORTUGAL Logo
21:10 - 21:35POA-LHR
21h 25m1 stop
TAP AIR PORTUGAL Logo
18:30 - 19:40LHR-POA
28h 10m1 stop
£745TAP AIR PORTUGAL
Find Deal
Tue, 4 Nov - Wed, 26 Nov
Lufthansa Logo
14:45 - 14:45POA-LHR
21h 00m2 stops
Lufthansa Logo
07:40 - 09:20LHR-POA
28h 40m2 stops
£761Lufthansa
Find Deal
Fri, 13 Feb - Fri, 20 Mar
KLM Logo
13:40 - 13:50POA-LHR
21h 10m2 stops
KLM Logo
06:30 - 00:45LHR-POA
21h 15m2 stops
£777KLM
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Wed, 19 Nov - Wed, 3 Dec
LATAM Airlines Logo
14:55 - 14:05POA-LHR
20h 10m2 stops
LATAM Airlines Logo
20:15 - 16:50LHR-POA
23h 35m2 stops
£803LATAM Airlines
Find Deal
Tue, 20 Jan - Thu, 29 Jan
LATAM Airlines Logo
14:00 - 14:05POA-LHR
21h 05m1 stop
LATAM Airlines Logo
20:15 - 11:35LHR-POA
18h 20m1 stop
£804LATAM Airlines
Find Deal
Tue, 20 Jan - Wed, 28 Jan

GOL flights from Porto Alegre to London Heathrow Airport

Our best GOL deals on Porto Alegre to London Heathrow Airport flight tickets
GOL
3 Nov
POA13:40Porto Alegre Salgado Filho
21h 10m
2 stops
LHR13:50London Heathrow
13 Nov
LHR06:30London Heathrow
20h 00m
2 stops
POA23:30Porto Alegre Salgado Filho
£669
Find similar
GOL
7 Nov
POA19:20Porto Alegre Salgado Filho
41h 45m
2 stops
LHR16:05London Heathrow
21 Nov
LHR06:20London Heathrow
28h 40m
2 stops
POA08:00Porto Alegre Salgado Filho
£670
Find similar
GOL
4 Nov
POA11:40Porto Alegre Salgado Filho
23h 10m
2 stops
LHR13:50London Heathrow
26 Nov
LHR06:30London Heathrow
21h 15m
2 stops
POA00:45Porto Alegre Salgado Filho
£670
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TAP AIR PORTUGAL flights from Porto Alegre to London Heathrow Airport

Our best TAP AIR PORTUGAL deals on Porto Alegre to London Heathrow Airport flight tickets
TAP AIR PORTUGAL
4 Nov
POA21:10Porto Alegre Salgado Filho
17h 20m
1 stop
LHR17:30London Heathrow
26 Nov
LHR18:30London Heathrow
28h 10m
1 stop
POA19:40Porto Alegre Salgado Filho
£743
Find similar
TAP AIR PORTUGAL
4 Nov
POA21:10Porto Alegre Salgado Filho
21h 25m
1 stop
LHR21:35London Heathrow
26 Nov
LHR18:30London Heathrow
28h 10m
1 stop
POA19:40Porto Alegre Salgado Filho
£745
Find similar
TAP AIR PORTUGAL
18 Nov
POA21:10Porto Alegre Salgado Filho
22h 30m
1 stop
LHR22:40London Heathrow
3 Dec
LHR18:30London Heathrow
28h 10m
1 stop
POA19:40Porto Alegre Salgado Filho
£797
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momondo Fare Finder

 
Customise your flight search to find flights from Porto Alegre to London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 22 August 2025.
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

Sat 1/11

17:55-09:00

2 stops36h 05m

London Heathrow

Sat 15/11

06:30-23:55

2 stops20h 25m

£628

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Mon 3/11

13:40-13:50

2 stops21h 10m

London Heathrow

Thu 13/11

06:30-23:30

2 stops20h 00m

£669

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Fri 7/11

19:20-16:05

2 stops41h 45m

London Heathrow

Fri 21/11

06:20-08:00

2 stops28h 40m

£670

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Fri 13/2

14:45-14:45

2 stops21h 00m

London Heathrow

Fri 20/3

07:40-01:05

2 stops20h 25m

£741

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 4/11

21:10-17:30

1 stop17h 20m

London Heathrow

Wed 26/11

18:30-19:40

1 stop28h 10m

£743

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 4/11

21:10-21:35

1 stop21h 25m

London Heathrow

Wed 26/11

18:30-19:40

1 stop28h 10m

£745

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Fri 13/2

14:45-14:45

2 stops21h 00m

London Heathrow

Fri 20/3

07:40-09:20

2 stops28h 40m

£761

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Wed 19/11

13:40-13:50

2 stops21h 10m

London Heathrow

Wed 3/12

06:30-00:45

2 stops21h 15m

£777

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 20/1

14:55-14:05

2 stops20h 10m

London Heathrow

Thu 29/1

20:15-16:50

2 stops23h 35m

£803

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 20/1

14:00-14:05

1 stop21h 05m

London Heathrow

Wed 28/1

20:15-11:35

1 stop18h 20m

£804

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Porto Alegre to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Porto Alegre and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

In general, February is the cheapest month to fly from Porto Alegre to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £630. The month of March is another great option to travel to London Heathrow Airport, with average flight prices from Porto Alegre averaging around £744.

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Porto Alegre when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £816 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Porto Alegre for as low as £635 on momondo.

When to book flights from Porto Alegre to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Porto Alegre to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Porto Alegre to London Heathrow Airport (POA to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Porto Alegre to London Heathrow Airport

Direct flights

None
There are no direct flights from Porto Alegre to London Heathrow Airport. There are no popular flight routes from Porto Alegre to London Heathrow Airport.
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  • How far is Porto Alegre Salgado Filho to London Heathrow by plane?

    Porto Alegre Salgado Filho and London Heathrow are 6413.7 mi apart from one another. Typically, this will take 14h 55m by plane in normal conditions.

  • When did momondo last update prices for flights from Porto Alegre Salgado Filho Airport to London Heathrow Airport?

    Prices for flights from Porto Alegre Salgado Filho Airport to London Heathrow Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Porto Alegre Salgado Filho Airport to London Heathrow Airport?

  • How old do you have to be to fly from Porto Alegre Salgado Filho Airport to London Heathrow Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Porto Alegre Salgado Filho Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Porto Alegre to London Heathrow Airport?

Best airlines flying from Porto Alegre to London Heathrow Airport

Compare and see reviews for airlines that fly from Porto Alegre to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
LATAM AirlinesPriceFrom £761Free CancellationRating
7.5
1,844 reviews
Search LATAM Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from Porto Alegre to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Porto Alegre.

Can I find flights from Porto Alegre to London with flexible booking policies on momondo?

All flight searches from Porto Alegre to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Porto Alegre to London?

momondo provides multiple filters to help you find the best flight to London from Porto Alegre. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Porto Alegre to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Porto Alegre and alert you when they change.

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