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Cheap flights from Porto Alegre to London from £380

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 15/2. 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
20:10 - 14:05
POA
-
LHR
14h 55m
1 stop
LATAM Airlines Logo
20:15 - 09:15
LHR
-
POA
16h 00m
1 stop
£611LATAM Airlines
Wed, 4 Mar - Wed, 11 Mar
LATAM Airlines Logo
20:10 - 14:05
POA
-
LHR
14h 55m
1 stop
LATAM Airlines Logo
06:15 - 06:30
LHR
-
POA
27h 15m
2 stops
£617LATAM Airlines
Wed, 4 Mar - Wed, 11 Mar
SWISS Logo
14:50 - 17:50
POA
-
LGW
24h 00m
2 stops
SWISS Logo
18:40 - 11:35
LGW
-
POA
19h 55m
2 stops
£746SWISS
Wed, 4 Feb - Thu, 5 Mar
ITA Airways Logo
09:35 - 10:55
POA
-
LCY
22h 20m
2 stops
ITA Airways Logo
08:25 - 22:50
LCY
-
POA
41h 25m
2 stops
£748ITA Airways
Fri, 6 Feb - Tue, 3 Mar
Lufthansa Logo
14:50 - 17:35
POA
-
LCY
23h 45m
2 stops
Lufthansa Logo
18:30 - 13:10
LCY
-
POA
22h 40m
2 stops
£761Lufthansa
Tue, 10 Mar - Tue, 31 Mar
SWISS Logo
14:50 - 12:55
POA
-
LCY
19h 05m
2 stops
SWISS Logo
13:30 - 11:35
LCY
-
POA
25h 05m
2 stops
£768SWISS
Wed, 4 Feb - Thu, 5 Mar
ITA Airways Logo
05:30 - 10:55
POA
-
LCY
26h 25m
2 stops
ITA Airways Logo
16:45 - 22:50
LCY
-
POA
33h 05m
2 stops
£782ITA Airways
Thu, 12 Mar - Fri, 20 Mar
TAP AIR PORTUGAL Logo
21:10 - 09:50
POA
-
LGW
33h 40m
1 stop
TAP AIR PORTUGAL Logo
21:15 - 20:25
LGW
-
POA
51h 10m
2 stops
£783TAP AIR PORTUGAL
Tue, 10 Mar - Tue, 31 Mar
TAP AIR PORTUGAL Logo
21:10 - 09:50
POA
-
LGW
33h 40m
1 stop
TAP AIR PORTUGAL Logo
21:15 - 20:25
LGW
-
POA
51h 10m
2 stops
£784TAP AIR PORTUGAL
Tue, 10 Mar - Tue, 31 Mar
Lufthansa Logo
14:50 - 17:35
POA
-
LCY
23h 45m
2 stops
Lufthansa Logo
18:30 - 08:50
LCY
-
POA
18h 20m
2 stops
£821Lufthansa
Tue, 10 Mar - Tue, 31 Mar

LATAM Airlines flights from Porto Alegre to London

Our best LATAM Airlines deals on Porto Alegre to London flight tickets
LATAM Airlines
4 Mar
POA20:10Porto Alegre Salgado Filho
14h 55m
1 stop
LHR14:05London Heathrow
11 Mar
LHR20:15London Heathrow
16h 00m
1 stop
POA09:15Porto Alegre Salgado Filho
£611
LATAM Airlines
4 Mar
POA20:10Porto Alegre Salgado Filho
14h 55m
1 stop
LHR14:05London Heathrow
11 Mar
LHR06:15London Heathrow
27h 15m
2 stops
POA06:30Porto Alegre Salgado Filho
£617
LATAM Airlines
10 Mar
POA20:10Porto Alegre Salgado Filho
14h 55m
1 stop
LHR14:05London Heathrow
17 Mar
LHR20:15London Heathrow
15h 30m
1 stop
POA08:45Porto Alegre Salgado Filho
£636

GOL flights from Porto Alegre to London

Our best GOL deals on Porto Alegre to London flight tickets
GOL
11 Feb
POA05:05Porto Alegre Salgado Filho
23h 35m
3 stops
LHR07:40London Heathrow
29 Apr
LHR08:55London Heathrow
28h 35m
2 stops
POA09:30Porto Alegre Salgado Filho
£670
GOL
6 Feb
POA17:55Porto Alegre Salgado Filho
43h 10m
3 stops
LHR16:05London Heathrow
3 Mar
LHR09:00London Heathrow
31h 00m
2 stops
POA13:00Porto Alegre Salgado Filho
£723
GOL
28 Jan
POA05:05Porto Alegre Salgado Filho
23h 35m
3 stops
LHR07:40London Heathrow
6 Feb
LHR06:30London Heathrow
21h 15m
2 stops
POA00:45Porto Alegre Salgado Filho
£949

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 15 January 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

Wed 4/3

20:10-14:05

1 stop14h 55m

London Heathrow

Wed 11/3

20:15-09:15

1 stop16h 00m

£611

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Wed 4/3

20:10-14:05

1 stop14h 55m

London Heathrow

Wed 11/3

06:15-06:30

2 stops27h 15m

£617

Porto AlegreLondon

POA - LGW

POALGW

Porto Alegre Salgado Filho

Wed 4/2

14:50-17:50

2 stops24h 00m

London Gatwick

Thu 5/3

18:40-11:35

2 stops19h 55m

£746

Porto AlegreLondon

POA - LCY

POALCY

Porto Alegre Salgado Filho

Fri 6/2

09:35-10:55

2 stops22h 20m

London City

Tue 3/3

08:25-22:50

2 stops41h 25m

£748

Porto AlegreLondon

POA - LCY

POALCY

Porto Alegre Salgado Filho

Tue 10/3

14:50-17:35

2 stops23h 45m

London City

Tue 31/3

18:30-13:10

2 stops22h 40m

£761

Porto AlegreLondon

POA - LCY

POALCY

Porto Alegre Salgado Filho

Wed 4/2

14:50-12:55

2 stops19h 05m

London City

Thu 5/3

13:30-11:35

2 stops25h 05m

£768

Porto AlegreLondon

POA - LCY

POALCY

Porto Alegre Salgado Filho

Thu 12/3

05:30-10:55

2 stops26h 25m

London City

Fri 20/3

16:45-22:50

2 stops33h 05m

£782

Porto AlegreLondon

POA - LGW

POALGW

Porto Alegre Salgado Filho

Tue 10/3

21:10-09:50

1 stop33h 40m

London Gatwick

Tue 31/3

21:15-20:25

2 stops51h 10m

£783

Porto AlegreLondon

POA - LGW

POALGW

Porto Alegre Salgado Filho

Tue 10/3

21:10-09:50

1 stop33h 40m

London Gatwick

Tue 31/3

21:15-20:25

2 stops51h 10m

£784

Porto AlegreLondon

POA - LCY

POALCY

Porto Alegre Salgado Filho

Tue 10/3

14:50-17:35

2 stops23h 45m

London City

Tue 31/3

18:30-08:50

2 stops18h 20m

£821

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 typical price of a round-trip flight between Porto Alegre and London?

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 £675, 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 £685.

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 £862 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 £643 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

18h 15m

Direct flights

None
The fastest flight from Porto Alegre to London takes 18h 15m
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 18h 15m, 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
1,906 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