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Cheap flights from Porto Alegre to London from £463

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 26/5. 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
1 adult, Economy, 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
11:00 - 18:40
POA
-
LHR
27h 40m
2 stops
Multiple Airlines Logo
10:30 - 20:10
LHR
-
POA
37h 40m
2 stops
£753Multiple Airlines
Thu, 16 Jul - Sun, 23 Aug
ITA Airways Logo
05:30 - 09:40
POA
-
LHR
24h 10m
2 stops
ITA Airways Logo
16:30 - 22:45
LHR
-
POA
34h 15m
2 stops
£767ITA Airways
Tue, 28 Jul - Tue, 18 Aug
ITA Airways Logo
10:30 - 09:40
POA
-
LHR
19h 10m
2 stops
ITA Airways Logo
16:30 - 22:45
LHR
-
POA
34h 15m
2 stops
£774ITA Airways
Tue, 28 Jul - Tue, 18 Aug
ITA Airways Logo
21:45 - 09:40
POA
-
LHR
31h 55m
2 stops
ITA Airways Logo
16:30 - 20:10
LHR
-
POA
31h 40m
2 stops
£779ITA Airways
Sun, 19 Jul - Sun, 23 Aug
ITA Airways Logo
05:30 - 09:40
POA
-
LHR
24h 10m
2 stops
ITA Airways Logo
16:30 - 22:45
LHR
-
POA
34h 15m
2 stops
£791ITA Airways
Tue, 28 Jul - Tue, 18 Aug
ITA Airways Logo
05:30 - 09:40
POA
-
LHR
24h 10m
2 stops
ITA Airways Logo
16:30 - 09:05
LHR
-
POA
44h 35m
2 stops
£797ITA Airways
Tue, 28 Jul - Tue, 18 Aug
ITA Airways Logo
10:30 - 09:40
POA
-
LHR
19h 10m
2 stops
ITA Airways Logo
16:30 - 09:45
LHR
-
POA
45h 15m
2 stops
£798ITA Airways
Tue, 28 Jul - Tue, 18 Aug
GOL Logo
18:25 - 16:15
POA
-
LHR
17h 50m
2 stops
GOL Logo
06:20 - 23:55
LHR
-
POA
20h 35m
2 stops
£799GOL
Tue, 9 Jun - Tue, 10 Nov
ITA Airways Logo
05:30 - 09:40
POA
-
LHR
24h 10m
2 stops
ITA Airways Logo
10:30 - 13:10
LHR
-
POA
30h 40m
2 stops
£804ITA Airways
Sat, 1 Aug - Sat, 29 Aug
ITA Airways Logo
05:30 - 09:40
POA
-
LHR
24h 10m
2 stops
ITA Airways Logo
10:30 - 13:10
LHR
-
POA
30h 40m
2 stops
£805ITA Airways
Sat, 1 Aug - Sat, 29 Aug

GOL flights from Porto Alegre to London Heathrow Airport

Our best GOL deals on Porto Alegre to London Heathrow Airport flight tickets
GOL
9 Jun
POA18:25Porto Alegre Salgado Filho
17h 50m
2 stops
LHR16:15London Heathrow
10 Nov
LHR06:20London Heathrow
20h 35m
2 stops
POA23:55Porto Alegre Salgado Filho
£799
GOL
18 Jun
POA18:25Porto Alegre Salgado Filho
41h 50m
3 stops
LHR16:15London Heathrow
28 Jun
LHR17:35London Heathrow
34h 05m
2 stops
POA23:40Porto Alegre Salgado Filho
£835
GOL
6 May
POA15:45Porto Alegre Salgado Filho
20h 50m
2 stops
LHR16:35London Heathrow
13 May
LHR08:40London Heathrow
19h 05m
2 stops
POA23:45Porto Alegre Salgado Filho
£858

ITA Airways flights from Porto Alegre to London Heathrow Airport

Our best ITA Airways deals on Porto Alegre to London Heathrow Airport flight tickets
ITA Airways
28 Jul
POA05:30Porto Alegre Salgado Filho
24h 10m
2 stops
LHR09:40London Heathrow
18 Aug
LHR16:30London Heathrow
34h 15m
2 stops
POA22:45Porto Alegre Salgado Filho
£767
ITA Airways
28 Jul
POA10:30Porto Alegre Salgado Filho
19h 10m
2 stops
LHR09:40London Heathrow
18 Aug
LHR16:30London Heathrow
34h 15m
2 stops
POA22:45Porto Alegre Salgado Filho
£774
ITA Airways
19 Jul
POA21:45Porto Alegre Salgado Filho
31h 55m
2 stops
LHR09:40London Heathrow
23 Aug
LHR16:30London Heathrow
31h 40m
2 stops
POA20:10Porto Alegre Salgado Filho
£779

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 27 March 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

Thu 16/7

11:00-18:40

2 stops27h 40m

London Heathrow

Sun 23/8

10:30-20:10

2 stops37h 40m

£753

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 28/7

05:30-09:40

2 stops24h 10m

London Heathrow

Tue 18/8

16:30-22:45

2 stops34h 15m

£767

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 28/7

10:30-09:40

2 stops19h 10m

London Heathrow

Tue 18/8

16:30-22:45

2 stops34h 15m

£774

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sun 19/7

21:45-09:40

2 stops31h 55m

London Heathrow

Sun 23/8

16:30-20:10

2 stops31h 40m

£779

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 28/7

05:30-09:40

2 stops24h 10m

London Heathrow

Tue 18/8

16:30-22:45

2 stops34h 15m

£791

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 28/7

05:30-09:40

2 stops24h 10m

London Heathrow

Tue 18/8

16:30-09:05

2 stops44h 35m

£797

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 28/7

10:30-09:40

2 stops19h 10m

London Heathrow

Tue 18/8

16:30-09:45

2 stops45h 15m

£798
Fastest return journey

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 9/6

18:25-16:15

2 stops17h 50m

London Heathrow

Tue 10/11

06:20-23:55

2 stops20h 35m

£799

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sat 1/8

05:30-09:40

2 stops24h 10m

London Heathrow

Sat 29/8

10:30-13:10

2 stops30h 40m

£804

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sat 1/8

05:30-09:40

2 stops24h 10m

London Heathrow

Sat 29/8

10:30-13:10

2 stops30h 40m

£805

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 £711. The month of April is another great option to travel to London Heathrow Airport, with average flight prices from Porto Alegre averaging around £805.

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 £874 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 £752 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

17h 50m

Direct flights

None
The fastest flight from Porto Alegre to London Heathrow Airport takes 17h 50m
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

  • 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 17h 50m 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 £769Free CancellationRating
7.4
1,902 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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