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Cheap flights from Porto Alegre to London from £388

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 8/10. 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

GOL Logo
11:40 - 13:50POA-LHR
23h 10m2 stops
GOL Logo
06:20 - 08:15LHR-POA
28h 55m2 stops
£550GOL
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Tue, 18 Nov - Tue, 25 Nov
TAP AIR PORTUGAL Logo
21:10 - 22:40POA-LHR
22h 30m1 stop
TAP AIR PORTUGAL Logo
18:30 - 19:20LHR-POA
27h 50m1 stop
£572TAP 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 - 19:20LHR-POA
27h 50m1 stop
£572TAP AIR PORTUGAL
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Tue, 4 Nov - Wed, 26 Nov
Multiple Airlines Logo
06:00 - 07:40POA-LHR
22h 40m2 stops
Multiple Airlines Logo
19:25 - 23:30LHR-POA
31h 05m2 stops
£584Multiple Airlines
Find Deal
Tue, 4 Nov - Wed, 26 Nov
Multiple Airlines Logo
06:00 - 07:40POA-LHR
22h 40m2 stops
Multiple Airlines Logo
19:25 - 23:30LHR-POA
31h 05m2 stops
£585Multiple Airlines
Find Deal
Tue, 4 Nov - Wed, 26 Nov
GOL Logo
13:40 - 16:35POA-LHR
23h 55m2 stops
GOL Logo
06:30 - 15:40LHR-POA
36h 10m2 stops
£587GOL
Find Deal
Fri, 7 Nov - Fri, 21 Nov
GOL Logo
13:40 - 16:35POA-LHR
23h 55m2 stops
GOL Logo
06:30 - 15:40LHR-POA
36h 10m2 stops
£588GOL
Find Deal
Fri, 7 Nov - Fri, 21 Nov
GOL Logo
13:40 - 13:45POA-LHR
21h 05m2 stops
GOL Logo
06:30 - 23:00LHR-POA
19h 30m2 stops
£589GOL
Find Deal
Sun, 16 Nov - Tue, 25 Nov
LATAM Airlines Logo
20:10 - 14:05POA-LHR
14h 55m1 stop
LATAM Airlines Logo
21:20 - 22:40LHR-POA
29h 20m2 stops
£633LATAM Airlines
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Tue, 10 Mar - Tue, 31 Mar
LATAM Airlines Logo
14:50 - 14:05POA-LHR
20h 15m1 stop
LATAM Airlines Logo
20:15 - 22:50LHR-POA
29h 35m2 stops
£634LATAM Airlines
Find Deal
Thu, 25 Dec - Wed, 7 Jan

GOL flights from Porto Alegre to London Heathrow Airport

Our best GOL deals on Porto Alegre to London Heathrow Airport flight tickets
GOL
18 Nov
POA11:40Porto Alegre Salgado Filho
23h 10m
2 stops
LHR13:50London Heathrow
25 Nov
LHR06:20London Heathrow
28h 55m
2 stops
POA08:15Porto Alegre Salgado Filho
£550
Find similar
GOL
7 Nov
POA13:40Porto Alegre Salgado Filho
23h 55m
2 stops
LHR16:35London Heathrow
21 Nov
LHR06:30London Heathrow
36h 10m
2 stops
POA15:40Porto Alegre Salgado Filho
£587
Find similar
GOL
7 Nov
POA13:40Porto Alegre Salgado Filho
23h 55m
2 stops
LHR16:35London Heathrow
21 Nov
LHR06:30London Heathrow
36h 10m
2 stops
POA15:40Porto Alegre Salgado Filho
£588
Find similar

LATAM Airlines flights from Porto Alegre to London Heathrow Airport

Our best LATAM Airlines deals on Porto Alegre to London Heathrow Airport flight tickets
LATAM Airlines
10 Mar
POA20:10Porto Alegre Salgado Filho
14h 55m
1 stop
LHR14:05London Heathrow
31 Mar
LHR21:20London Heathrow
29h 20m
2 stops
POA22:40Porto Alegre Salgado Filho
£633
Find similar
LATAM Airlines
25 Dec
POA14:50Porto Alegre Salgado Filho
20h 15m
1 stop
LHR14:05London Heathrow
7 Jan
LHR20:15London Heathrow
29h 35m
2 stops
POA22:50Porto Alegre Salgado Filho
£634
Find similar
LATAM Airlines
18 Nov
POA13:40Porto Alegre Salgado Filho
21h 25m
2 stops
LHR14:05London Heathrow
25 Nov
LHR20:15London Heathrow
26h 05m
1 stop
POA19:20Porto Alegre Salgado Filho
£653
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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 18 September 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

Tue 18/11

11:40-13:50

2 stops23h 10m

London Heathrow

Tue 25/11

06:20-08:15

2 stops28h 55m

£550

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 4/11

21:10-22:40

1 stop22h 30m

London Heathrow

Wed 26/11

18:30-19:20

1 stop27h 50m

£572

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 4/11

21:10-21:35

1 stop21h 25m

London Heathrow

Wed 26/11

18:30-19:20

1 stop27h 50m

£572

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 4/11

06:00-07:40

2 stops22h 40m

London Heathrow

Wed 26/11

19:25-23:30

2 stops31h 05m

£584

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 4/11

06:00-07:40

2 stops22h 40m

London Heathrow

Wed 26/11

19:25-23:30

2 stops31h 05m

£585

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Fri 7/11

13:40-16:35

2 stops23h 55m

London Heathrow

Fri 21/11

06:30-15:40

2 stops36h 10m

£587

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Fri 7/11

13:40-16:35

2 stops23h 55m

London Heathrow

Fri 21/11

06:30-15:40

2 stops36h 10m

£588

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sun 16/11

13:40-13:45

2 stops21h 05m

London Heathrow

Tue 25/11

06:30-23:00

2 stops19h 30m

£589

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 10/3

20:10-14:05

1 stop14h 55m

London Heathrow

Tue 31/3

21:20-22:40

2 stops29h 20m

£633

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 25/12

14:50-14:05

1 stop20h 15m

London Heathrow

Wed 7/1

20:15-22:50

2 stops29h 35m

£634

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 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 £618. The month of March is another great option to travel to London Heathrow Airport, with average flight prices from Porto Alegre averaging around £739.

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 £803 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 £625 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 £750Free CancellationRating
7.5
1,849 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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