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Cheap flights from Porto Alegre to London from £328

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 27/5. 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
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.
TAP AIR PORTUGAL Logo
21:10 - 17:30
POA
-
LHR
17h 20m
1 stop
TAP AIR PORTUGAL Logo
06:00 - 19:40
LHR
-
POA
16h 40m
1 stop
£630TAP AIR PORTUGAL
Tue, 10 Mar - Tue, 17 Mar
LATAM Airlines Logo
13:00 - 14:05
POA
-
LHR
22h 05m
1 stop
LATAM Airlines Logo
20:15 - 16:50
LHR
-
POA
23h 35m
2 stops
£635LATAM Airlines
Thu, 12 Mar - Mon, 16 Mar
LATAM Airlines Logo
14:55 - 14:05
POA
-
LHR
20h 10m
2 stops
LATAM Airlines Logo
20:15 - 14:10
LHR
-
POA
20h 55m
2 stops
£642LATAM Airlines
Thu, 12 Mar - Thu, 19 Mar
LATAM Airlines Logo
14:55 - 14:05
POA
-
LHR
20h 10m
2 stops
LATAM Airlines Logo
20:15 - 14:10
LHR
-
POA
20h 55m
2 stops
£654LATAM Airlines
Thu, 12 Mar - Mon, 16 Mar
TAP AIR PORTUGAL Logo
00:45 - 22:40
POA
-
LHR
18h 55m
1 stop
TAP AIR PORTUGAL Logo
08:00 - 20:25
LHR
-
POA
16h 25m
1 stop
£679TAP AIR PORTUGAL
Thu, 12 Mar - Thu, 16 Apr
TAP AIR PORTUGAL Logo
00:45 - 18:55
POA
-
LHR
15h 10m
1 stop
TAP AIR PORTUGAL Logo
08:00 - 20:25
LHR
-
POA
16h 25m
1 stop
£680TAP AIR PORTUGAL
Thu, 12 Mar - Thu, 16 Apr
LATAM Airlines Logo
14:20 - 19:35
POA
-
LHR
25h 15m
2 stops
LATAM Airlines Logo
21:20 - 11:15
LHR
-
POA
17h 55m
1 stop
£684LATAM Airlines
Mon, 11 May - Wed, 27 May
LATAM Airlines Logo
20:10 - 17:15
POA
-
LHR
18h 05m
2 stops
LATAM Airlines Logo
18:45 - 17:00
LHR
-
POA
25h 15m
2 stops
£697LATAM Airlines
Tue, 10 Mar - Tue, 17 Mar
LATAM Airlines Logo
20:10 - 14:05
POA
-
LHR
14h 55m
1 stop
LATAM Airlines Logo
18:45 - 17:00
LHR
-
POA
25h 15m
2 stops
£699LATAM Airlines
Tue, 10 Mar - Tue, 17 Mar
LATAM Airlines Logo
13:00 - 14:05
POA
-
LHR
22h 05m
1 stop
LATAM Airlines Logo
06:05 - 23:55
LHR
-
POA
20h 50m
2 stops
£709LATAM Airlines
Thu, 12 Mar - Sat, 21 Mar

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
6 Feb
POA13:40Porto Alegre Salgado Filho
23h 55m
2 stops
LHR16:35London Heathrow
3 Mar
LHR08:55London Heathrow
26h 45m
2 stops
POA08:40Porto Alegre Salgado Filho
£747
Air France
30 Jan
POA13:40Porto Alegre Salgado Filho
21h 05m
2 stops
LHR13:45London Heathrow
8 Feb
LHR15:00London Heathrow
23h 00m
2 stops
POA11:00Porto Alegre Salgado Filho
£1,051

GOL flights from Porto Alegre to London Heathrow Airport

Our best GOL deals on Porto Alegre to London Heathrow Airport flight tickets
GOL
1 Feb
POA11:40Porto Alegre Salgado Filho
23h 05m
2 stops
LHR13:45London Heathrow
26 Feb
LHR06:20London Heathrow
20h 10m
2 stops
POA23:30Porto Alegre Salgado Filho
£737
GOL
31 Jan
POA19:30Porto Alegre Salgado Filho
57h 10m
2 stops
LHR07:40London Heathrow
28 Feb
LHR19:20London Heathrow
32h 30m
2 stops
POA00:50Porto Alegre Salgado Filho
£785
GOL
2 Feb
POA17:55Porto Alegre Salgado Filho
37h 35m
2 stops
LHR10:30London Heathrow
10 Feb
LHR06:20London Heathrow
21h 25m
2 stops
POA00:45Porto Alegre Salgado Filho
£802

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 January 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

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 10/3

21:10-17:30

1 stop17h 20m

London Heathrow

Tue 17/3

06:00-19:40

1 stop16h 40m

£630

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 12/3

13:00-14:05

1 stop22h 05m

London Heathrow

Mon 16/3

20:15-16:50

2 stops23h 35m

£635

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 12/3

14:55-14:05

2 stops20h 10m

London Heathrow

Thu 19/3

20:15-14:10

2 stops20h 55m

£642

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 12/3

14:55-14:05

2 stops20h 10m

London Heathrow

Mon 16/3

20:15-14:10

2 stops20h 55m

£654

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 12/3

00:45-22:40

1 stop18h 55m

London Heathrow

Thu 16/4

08:00-20:25

1 stop16h 25m

£679

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 12/3

00:45-18:55

1 stop15h 10m

London Heathrow

Thu 16/4

08:00-20:25

1 stop16h 25m

£680

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Mon 11/5

14:20-19:35

2 stops25h 15m

London Heathrow

Wed 27/5

21:20-11:15

1 stop17h 55m

£684

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 10/3

20:10-17:15

2 stops18h 05m

London Heathrow

Tue 17/3

18:45-17:00

2 stops25h 15m

£697

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 10/3

20:10-14:05

1 stop14h 55m

London Heathrow

Tue 17/3

18:45-17:00

2 stops25h 15m

£699

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 12/3

13:00-14:05

1 stop22h 05m

London Heathrow

Sat 21/3

06:05-23:55

2 stops20h 50m

£709

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 £660. The month of November is another great option to travel to London Heathrow Airport, with average flight prices from Porto Alegre averaging around £679.

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 £849 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 £630 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 20m

Direct flights

None
The fastest flight from Porto Alegre to London Heathrow Airport takes 15h 20m
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 15h 20m 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 £748Free CancellationRating
7.5
1,912 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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