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Cheap flights from Porto Alegre to London from £331

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 - 21:35
POA
-
LHR
21h 25m
1 stop
TAP AIR PORTUGAL Logo
06:00 - 19:40
LHR
-
POA
16h 40m
1 stop
£641TAP AIR PORTUGAL
Tue, 10 Mar - Tue, 17 Mar
TAP AIR PORTUGAL Logo
00:45 - 22:40
POA
-
LHR
18h 55m
1 stop
TAP AIR PORTUGAL Logo
06:00 - 20:25
LHR
-
POA
18h 25m
1 stop
£660TAP AIR PORTUGAL
Thu, 12 Mar - Thu, 16 Apr
TAP AIR PORTUGAL Logo
00:45 - 21:35
POA
-
LHR
17h 50m
1 stop
TAP AIR PORTUGAL Logo
08:00 - 20:25
LHR
-
POA
16h 25m
1 stop
£662TAP AIR PORTUGAL
Thu, 12 Mar - Thu, 16 Apr
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
£663TAP AIR PORTUGAL
Tue, 10 Mar - Tue, 17 Mar
LATAM Airlines Logo
20:05 - 15:05
POA
-
LHR
15h 00m
1 stop
LATAM Airlines Logo
21:20 - 09:15
LHR
-
POA
15h 55m
1 stop
£720LATAM Airlines
Mon, 18 May - Fri, 29 May
LATAM Airlines Logo
17:50 - 15:05
POA
-
LHR
17h 15m
1 stop
LATAM Airlines Logo
21:20 - 09:15
LHR
-
POA
15h 55m
1 stop
£728LATAM Airlines
Tue, 12 May - Tue, 19 May
GOL Logo
18:25 - 16:15
POA
-
LHR
41h 50m
3 stops
GOL Logo
06:15 - 23:55
LHR
-
POA
21h 40m
2 stops
£752GOL
Thu, 7 May - Mon, 18 May
Multiple Airlines Logo
10:45 - 10:55
POA
-
LCY
21h 10m
2 stops
Multiple Airlines Logo
16:45 - 17:50
LCY
-
POA
28h 05m
2 stops
£808Multiple Airlines
Wed, 18 Mar - Wed, 25 Mar
Multiple Airlines Logo
14:30 - 23:55
POA
-
STN
30h 25m
2 stops
Multiple Airlines Logo
05:55 - 23:55
STN
-
POA
45h 00m
3 stops
£809Multiple Airlines
Fri, 20 Mar - Fri, 27 Mar
ITA Airways Logo
08:25 - 10:55
POA
-
LCY
23h 30m
2 stops
ITA Airways Logo
16:45 - 22:50
LCY
-
POA
33h 05m
2 stops
£820ITA Airways
Wed, 18 Mar - Wed, 25 Mar

LATAM Airlines flights from Porto Alegre to London

Our best LATAM Airlines deals on Porto Alegre to London flight tickets
LATAM Airlines
18 May
POA20:05Porto Alegre Salgado Filho
15h 00m
1 stop
LHR15:05London Heathrow
29 May
LHR21:20London Heathrow
15h 55m
1 stop
POA09:15Porto Alegre Salgado Filho
£720
LATAM Airlines
12 May
POA17:50Porto Alegre Salgado Filho
17h 15m
1 stop
LHR15:05London Heathrow
19 May
LHR21:20London Heathrow
15h 55m
1 stop
POA09:15Porto Alegre Salgado Filho
£728
LATAM Airlines
10 Mar
POA20:10Porto Alegre Salgado Filho
17h 25m
2 stops
LHR16:35London Heathrow
17 Mar
LHR18:45London Heathrow
25h 15m
2 stops
POA17:00Porto Alegre Salgado Filho
£738

GOL flights from Porto Alegre to London

Our best GOL deals on Porto Alegre to London flight tickets
GOL
6 Feb
POA11:40Porto Alegre Salgado Filho
23h 05m
2 stops
LHR13:45London Heathrow
3 Mar
LHR09:00London Heathrow
26h 40m
2 stops
POA08:40Porto Alegre Salgado Filho
£737
GOL
7 May
POA18:25Porto Alegre Salgado Filho
41h 50m
3 stops
LHR16:15London Heathrow
18 May
LHR06:15London Heathrow
21h 40m
2 stops
POA23:55Porto Alegre Salgado Filho
£752
GOL
23 May
POA14:50Porto Alegre Salgado Filho
21h 25m
2 stops
LHR16:15London Heathrow
19 Jun
LHR06:15London Heathrow
21h 40m
2 stops
POA23:55Porto Alegre Salgado Filho
£779

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 3 February 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

Tue 10/3

21:10-21:35

1 stop21h 25m

London Heathrow

Tue 17/3

06:00-19:40

1 stop16h 40m

£641

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 12/3

00:45-22:40

1 stop18h 55m

London Heathrow

Thu 16/4

06:00-20:25

1 stop18h 25m

£660

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 12/3

00:45-21:35

1 stop17h 50m

London Heathrow

Thu 16/4

08:00-20:25

1 stop16h 25m

£662

Porto AlegreLondon

POA - LGW

POALGW

Porto Alegre Salgado Filho

Tue 10/3

21:10-09:50

1 stop33h 40m

London Gatwick

Tue 17/3

21:20-17:55

2 stops47h 35m

£663

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Mon 18/5

20:05-15:05

1 stop15h 00m

London Heathrow

Fri 29/5

21:20-09:15

1 stop15h 55m

£720

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 12/5

17:50-15:05

1 stop17h 15m

London Heathrow

Tue 19/5

21:20-09:15

1 stop15h 55m

£728

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 7/5

18:25-16:15

3 stops41h 50m

London Heathrow

Mon 18/5

06:15-23:55

2 stops21h 40m

£752

Porto AlegreLondon

POA - LCY

POALCY

Porto Alegre Salgado Filho

Wed 18/3

10:45-10:55

2 stops21h 10m

London City

Wed 25/3

16:45-17:50

2 stops28h 05m

£808

Porto AlegreLondon

POA - STN

POASTN

Porto Alegre Salgado Filho

Fri 20/3

14:30-23:55

2 stops30h 25m

London Stansted

Fri 27/3

05:55-23:55

3 stops45h 00m

£809

Porto AlegreLondon

POA - LCY

POALCY

Porto Alegre Salgado Filho

Wed 18/3

08:25-10:55

2 stops23h 30m

London City

Wed 25/3

16:45-22:50

2 stops33h 05m

£820

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 £662, 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 £672.

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 £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 from Porto Alegre for as low as £630 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

17h 15m

Direct flights

None
The fastest flight from Porto Alegre to London takes 17h 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 17h 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 £748Free CancellationRating
7.5
1,918 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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Find better results for your trip to the United Kingdom

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