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Cheap flights from Porto Alegre to London from £361

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 28/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Porto Alegre to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
16:30 - 14:05
POA
-
LHR
18h 35m
1 stop
Multiple Airlines Logo
06:00 - 00:15
LHR
-
POA
21h 15m
2 stops
£775Multiple Airlines
Sat, 7 Nov - Tue, 24 Nov
GOL Logo
14:05 - 18:35
POA
-
LHR
24h 30m
2 stops
GOL Logo
06:20 - 23:55
LHR
-
POA
20h 35m
2 stops
£779GOL
Mon, 8 Jun - Wed, 25 Nov
Multiple Airlines Logo
06:00 - 10:30
POA
-
LHR
24h 30m
2 stops
Multiple Airlines Logo
19:45 - 23:40
LHR
-
POA
31h 55m
2 stops
£795Multiple Airlines
Wed, 5 Aug - Wed, 12 Aug
Multiple Airlines Logo
11:20 - 16:35
POA
-
LHR
25h 15m
2 stops
Multiple Airlines Logo
08:55 - 23:40
LHR
-
POA
42h 45m
2 stops
£797Multiple Airlines
Wed, 5 Aug - Wed, 12 Aug
Multiple Airlines Logo
11:20 - 13:45
POA
-
LHR
22h 25m
2 stops
Multiple Airlines Logo
15:20 - 23:40
LHR
-
POA
36h 20m
2 stops
£798Multiple Airlines
Wed, 5 Aug - Wed, 12 Aug
GOL Logo
14:00 - 16:15
POA
-
LHR
22h 15m
2 stops
GOL Logo
06:20 - 23:40
LHR
-
POA
20h 20m
2 stops
£807GOL
Thu, 22 Oct - Thu, 12 Nov
GOL Logo
18:25 - 16:15
POA
-
LHR
17h 50m
2 stops
GOL Logo
06:20 - 23:40
LHR
-
POA
20h 20m
2 stops
£808GOL
Thu, 22 Oct - Thu, 12 Nov
Multiple Airlines Logo
11:15 - 16:35
POA
-
LHR
25h 20m
2 stops
Multiple Airlines Logo
08:40 - 23:55
LHR
-
POA
19h 15m
2 stops
£814Multiple Airlines
Sun, 2 Aug - Wed, 19 Aug
Multiple Airlines Logo
11:15 - 16:35
POA
-
LHR
25h 20m
2 stops
Multiple Airlines Logo
19:45 - 15:35
LHR
-
POA
23h 50m
2 stops
£816Multiple Airlines
Sun, 2 Aug - Thu, 20 Aug
Air France Logo
14:00 - 13:45
POA
-
LHR
20h 45m
2 stops
Air France Logo
06:20 - 23:40
LHR
-
POA
20h 20m
2 stops
£818Air France
Tue, 3 Nov - Wed, 18 Nov

Air France flights from Porto Alegre to London Heathrow Airport

Our best Air France deals on Porto Alegre to London Heathrow Airport flight tickets
Air France
3 Nov
POA14:00Porto Alegre Salgado Filho
20h 45m
2 stops
LHR13:45London Heathrow
18 Nov
LHR06:20London Heathrow
20h 20m
2 stops
POA23:40Porto Alegre Salgado Filho
£818
Air France
3 Nov
POA14:00Porto Alegre Salgado Filho
20h 45m
2 stops
LHR13:45London Heathrow
20 Nov
LHR06:20London Heathrow
20h 35m
2 stops
POA23:55Porto Alegre Salgado Filho
£885
Air France
20 May
POA11:20Porto Alegre Salgado Filho
22h 25m
2 stops
LHR13:45London Heathrow
26 May
LHR06:15London Heathrow
18h 15m
2 stops
POA20:30Porto Alegre Salgado Filho
£919

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
22 Oct
POA21:55Porto Alegre Salgado Filho
15h 50m
1 stop
LHR17:45London Heathrow
12 Nov
LHR06:00London Heathrow
16h 20m
1 stop
POA19:20Porto Alegre Salgado Filho
£838
TAP AIR PORTUGAL
22 Oct
POA21:55Porto Alegre Salgado Filho
16h 55m
1 stop
LHR18:50London Heathrow
12 Nov
LHR06:00London Heathrow
16h 20m
1 stop
POA19:20Porto Alegre Salgado Filho
£863
TAP AIR PORTUGAL
3 Nov
POA21:10Porto Alegre Salgado Filho
17h 20m
1 stop
LHR17:30London Heathrow
12 Nov
LHR06:00London Heathrow
16h 20m
1 stop
POA19:20Porto Alegre Salgado Filho
£882

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 12 May 2026.
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

Cheapest return flight

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sat 7/11

16:30-14:05

1 stop18h 35m

London Heathrow

Tue 24/11

06:00-00:15

2 stops21h 15m

£775

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Mon 8/6

14:05-18:35

2 stops24h 30m

London Heathrow

Wed 25/11

06:20-23:55

2 stops20h 35m

£779

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Wed 5/8

06:00-10:30

2 stops24h 30m

London Heathrow

Wed 12/8

19:45-23:40

2 stops31h 55m

£795

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Wed 5/8

11:20-16:35

2 stops25h 15m

London Heathrow

Wed 12/8

08:55-23:40

2 stops42h 45m

£797

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Wed 5/8

11:20-13:45

2 stops22h 25m

London Heathrow

Wed 12/8

15:20-23:40

2 stops36h 20m

£798

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 22/10

14:00-16:15

2 stops22h 15m

London Heathrow

Thu 12/11

06:20-23:40

2 stops20h 20m

£807
Fastest return journey

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 22/10

18:25-16:15

2 stops17h 50m

London Heathrow

Thu 12/11

06:20-23:40

2 stops20h 20m

£808

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sun 2/8

11:15-16:35

2 stops25h 20m

London Heathrow

Wed 19/8

08:40-23:55

2 stops19h 15m

£814

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sun 2/8

11:15-16:35

2 stops25h 20m

London Heathrow

Thu 20/8

19:45-15:35

2 stops23h 50m

£816

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 3/11

14:00-13:45

2 stops20h 45m

London Heathrow

Wed 18/11

06:20-23:40

2 stops20h 20m

£818

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, November 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 £609. The month of April is another great option to travel to London Heathrow Airport, with average flight prices from Porto Alegre averaging around £784.

How far in advance should I book a flight from Porto Alegre 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 £864 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 £724 on momondo.

How have Porto Alegre to London Heathrow Airport flight prices changed over time?

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

Fastest flight time

15h 00m

Direct flights

None
The fastest flight from Porto Alegre to London Heathrow Airport takes 15h 00m
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.
Search flight deals

Frequently asked questions about flying from Porto Alegre to London Heathrow Airport

  • 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 15h 00m 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 £752Free CancellationRating
7.4
1,921 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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