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Cheap flights from Porto Alegre to London from £342

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 23/5. 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.
LATAM Airlines Logo
13:40 - 14:05
POA
-
LHR
21h 25m
2 stops
LATAM Airlines Logo
21:20 - 16:55
LHR
-
POA
23h 35m
2 stops
£647LATAM Airlines
Mo, 23 Mrz - Di, 31 Mrz
TAP AIR PORTUGAL Logo
21:10 - 21:35
POA
-
LHR
21h 25m
1 stop
TAP AIR PORTUGAL Logo
06:00 - 19:40
LHR
-
POA
16h 40m
1 stop
£656TAP AIR PORTUGAL
Di, 10 Mrz - Di, 17 Mrz
GOL Logo
12:50 - 16:35
POA
-
LHR
24h 45m
2 stops
GOL Logo
09:00 - 13:00
LHR
-
POA
31h 00m
2 stops
£671GOL
So, 1 Feb - Do, 26 Feb
TAP AIR PORTUGAL Logo
21:10 - 09:50
POA
-
LGW
33h 40m
1 stop
TAP AIR PORTUGAL Logo
21:20 - 17:55
LGW
-
POA
47h 35m
2 stops
£675TAP AIR PORTUGAL
Di, 10 Mrz - Di, 17 Mrz
TAP AIR PORTUGAL Logo
00:45 - 18:55
POA
-
LHR
15h 10m
1 stop
TAP AIR PORTUGAL Logo
19:55 - 19:40
LHR
-
POA
26h 45m
1 stop
£678TAP AIR PORTUGAL
Do, 26 Feb - Fr, 6 Mrz
GOL Logo
12:50 - 13:45
POA
-
LHR
21h 55m
2 stops
GOL Logo
06:20 - 09:55
LHR
-
POA
30h 35m
2 stops
£683GOL
So, 1 Feb - Do, 26 Feb
LATAM Airlines Logo
14:20 - 19:35
POA
-
LHR
25h 15m
2 stops
LATAM Airlines Logo
21:20 - 09:15
LHR
-
POA
15h 55m
1 stop
£694LATAM Airlines
Mo, 11 Mai - Mo, 25 Mai
SWISS Logo
14:50 - 17:05
POA
-
LCY
23h 15m
2 stops
SWISS Logo
13:30 - 11:35
LCY
-
POA
25h 05m
2 stops
£810SWISS
Di, 10 Mrz - Di, 17 Mrz
ITA Airways Logo
17:10 - 16:10
POA
-
LCY
20h 00m
2 stops
ITA Airways Logo
08:25 - 10:05
LCY
-
POA
28h 40m
2 stops
£822ITA Airways
Mi, 18 Mrz - Mi, 25 Mrz
ITA Airways Logo
17:10 - 16:10
POA
-
LCY
20h 00m
2 stops
ITA Airways Logo
08:25 - 08:40
LCY
-
POA
51h 15m
2 stops
£823ITA Airways
Mo, 16 Mrz - Do, 26 Mrz

LATAM Airlines flights from Porto Alegre to London

Our best LATAM Airlines deals on Porto Alegre to London flight tickets
LATAM Airlines
23 Mar
POA13:40Porto Alegre Salgado Filho
21h 25m
2 stops
LHR14:05London Heathrow
31 Mar
LHR21:20London Heathrow
23h 35m
2 stops
POA16:55Porto Alegre Salgado Filho
£647
LATAM Airlines
11 May
POA14:20Porto Alegre Salgado Filho
25h 15m
2 stops
LHR19:35London Heathrow
25 May
LHR21:20London Heathrow
15h 55m
1 stop
POA09:15Porto Alegre Salgado Filho
£694
LATAM Airlines
11 May
POA14:20Porto Alegre Salgado Filho
25h 15m
2 stops
LHR19:35London Heathrow
27 May
LHR21:20London Heathrow
15h 55m
1 stop
POA09:15Porto Alegre Salgado Filho
£695

TAP AIR PORTUGAL flights from Porto Alegre to London

Our best TAP AIR PORTUGAL deals on Porto Alegre to London flight tickets
TAP AIR PORTUGAL
10 Mar
POA21:10Porto Alegre Salgado Filho
21h 25m
1 stop
LHR21:35London Heathrow
17 Mar
LHR06:00London Heathrow
16h 40m
1 stop
POA19:40Porto Alegre Salgado Filho
£656
TAP AIR PORTUGAL
26 Feb
POA00:45Porto Alegre Salgado Filho
17h 50m
1 stop
LHR21:35London Heathrow
6 Mar
LHR18:30London Heathrow
28h 10m
1 stop
POA19:40Porto Alegre Salgado Filho
£675
TAP AIR PORTUGAL
26 Feb
POA00:45Porto Alegre Salgado Filho
15h 10m
1 stop
LHR18:55London Heathrow
6 Mar
LHR19:55London Heathrow
26h 45m
1 stop
POA19:40Porto Alegre Salgado Filho
£678

momondo Fare Finder

 
Customise your flight search to find flights from Porto Alegre to London 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 Januar 2026.
Use the filters below to find and compare flights from Porto Alegre to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Mo 23/3

13:40-14:05

2 stops21h 25m

London Heathrow

Di 31/3

21:20-16:55

2 stops23h 35m

£647

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Di 10/3

21:10-21:35

1 stop21h 25m

London Heathrow

Di 17/3

06:00-19:40

1 stop16h 40m

£656

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

So 1/2

12:50-16:35

2 stops24h 45m

London Heathrow

Do 26/2

09:00-13:00

2 stops31h 00m

£671

Porto AlegreLondon

POA - LGW

POALGW

Porto Alegre Salgado Filho

Di 10/3

21:10-09:50

1 stop33h 40m

London Gatwick

Di 17/3

21:20-17:55

2 stops47h 35m

£675

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Do 26/2

00:45-18:55

1 stop15h 10m

London Heathrow

Fr 6/3

19:55-19:40

1 stop26h 45m

£678

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

So 1/2

12:50-13:45

2 stops21h 55m

London Heathrow

Do 26/2

06:20-09:55

2 stops30h 35m

£683

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Mo 11/5

14:20-19:35

2 stops25h 15m

London Heathrow

Mo 25/5

21:20-09:15

1 stop15h 55m

£694

Porto AlegreLondon

POA - LCY

POALCY

Porto Alegre Salgado Filho

Di 10/3

14:50-17:05

2 stops23h 15m

London City

Di 17/3

13:30-11:35

2 stops25h 05m

£810

Porto AlegreLondon

POA - LCY

POALCY

Porto Alegre Salgado Filho

Mi 18/3

17:10-16:10

2 stops20h 00m

London City

Mi 25/3

08:25-10:05

2 stops28h 40m

£822

Porto AlegreLondon

POA - LCY

POALCY

Porto Alegre Salgado Filho

Mo 16/3

17:10-16:10

2 stops20h 00m

London City

Do 26/3

08:25-08:40

2 stops51h 15m

£823

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

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?

The cheapest month to fly to London from Porto Alegre is in February. Flight prices, which tend to average around £674, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Porto Alegre averaging around £684.

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

You are more likely to see cheaper flights to London from Porto Alegre when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £865 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Porto Alegre for as low as £642 on momondo.

Can stopping save me money on Porto Alegre to London flights?

You could potentially save up to 7% on your flight if you consider stops on a Porto Alegre to London flight.

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

When to book flights from Porto Alegre to London

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

Cheap Porto Alegre to London (POA to LON) flight deals and tips

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

Fastest flight time

15h 35m

Direct flights

None
The fastest flight from Porto Alegre to London takes 15h 35m
There are no direct flights from Porto Alegre to London. There are no popular flight routes from Porto Alegre to London.
Search flight deals

  • How far is Porto Alegre Salgado Filho to London by plane?

    The straight-line distance from Porto Alegre Salgado Filho to London is 6424.7 mi. Flights usually cover this in 15h 35m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    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.

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

    The travel and health documents required for your trip to London 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. 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?

Best airlines flying from Porto Alegre to London

Compare and see reviews for airlines that fly from Porto Alegre to London with momondo
Airline
Rating
Free Cancellation
Price
LATAM AirlinesPriceFrom £604Free CancellationRating
7.5
1,913 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?

Finding the right flight to London from Porto Alegre is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Porto Alegre to London flights to just show those with 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?

Of course. momondo tracks the price of Porto Alegre to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport