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Cheap flights from Porto Alegre to London from £341

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 28/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Porto Alegre to London

Cheap return flights

GOL Logo
13:40 - 16:35POA-LHR
23h 55m2 stops
GOL Logo
06:30 - 23:30LHR-POA
20h 00m2 stops
£553GOL
Find Deal
Tue, 4 Nov - Wed, 26 Nov
TAP AIR PORTUGAL Logo
21:10 - 15:45POA-LGW
15h 35m1 stop
TAP AIR PORTUGAL Logo
16:35 - 19:20LGW-POA
29h 45m1 stop
£573TAP AIR PORTUGAL
Find Deal
Tue, 4 Nov - Wed, 26 Nov
TAP AIR PORTUGAL Logo
00:45 - 22:40POA-LHR
18h 55m1 stop
TAP AIR PORTUGAL Logo
18:30 - 19:40LHR-POA
28h 10m1 stop
£576TAP AIR PORTUGAL
Find Deal
Thu, 6 Nov - Fri, 21 Nov
GOL Logo
13:40 - 16:35POA-LHR
23h 55m2 stops
GOL Logo
06:30 - 15:40LHR-POA
36h 10m2 stops
£592GOL
Find Deal
Fri, 7 Nov - Fri, 21 Nov
LATAM Airlines Logo
14:50 - 14:05POA-LHR
20h 15m1 stop
LATAM Airlines Logo
20:15 - 11:35LHR-POA
18h 20m1 stop
£638LATAM Airlines
Find Deal
Thu, 18 Dec - Wed, 7 Jan
LATAM Airlines Logo
20:10 - 14:05POA-LHR
14h 55m1 stop
LATAM Airlines Logo
17:25 - 11:35LHR-POA
21h 10m2 stops
£643LATAM Airlines
Find Deal
Thu, 12 Mar - Thu, 19 Mar
KLM Logo
11:40 - 08:10POA-LCY
17h 30m2 stops
KLM Logo
07:45 - 00:45LCY-POA
20h 00m2 stops
£667KLM
Find Deal
Tue, 18 Nov - Tue, 25 Nov
KLM Logo
13:40 - 16:35POA-LCY
23h 55m2 stops
KLM Logo
07:45 - 23:50LCY-POA
19h 05m2 stops
£738KLM
Find Deal
Thu, 6 Nov - Thu, 13 Nov
ITA Airways Logo
05:30 - 10:55POA-LCY
26h 25m2 stops
ITA Airways Logo
16:45 - 08:45LCY-POA
43h 00m2 stops
£778ITA Airways
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Thu, 20 Nov - Sun, 30 Nov
ITA Airways Logo
05:30 - 10:55POA-LCY
26h 25m2 stops
ITA Airways Logo
16:45 - 23:20LCY-POA
33h 35m2 stops
£779ITA Airways
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Thu, 20 Nov - Sun, 30 Nov

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
4 Nov
POA21:10Porto Alegre Salgado Filho
15h 35m
1 stop
LGW15:45London Gatwick
26 Nov
LGW16:35London Gatwick
29h 45m
1 stop
POA19:20Porto Alegre Salgado Filho
£573
Find similar
TAP AIR PORTUGAL
6 Nov
POA00:45Porto Alegre Salgado Filho
18h 55m
1 stop
LHR22:40London Heathrow
21 Nov
LHR18:30London Heathrow
28h 10m
1 stop
POA19:40Porto Alegre Salgado Filho
£576
Find similar
TAP AIR PORTUGAL
4 Nov
POA21:10Porto Alegre Salgado Filho
22h 30m
1 stop
LHR22:40London Heathrow
26 Nov
LHR18:30London Heathrow
27h 50m
1 stop
POA19:20Porto Alegre Salgado Filho
£577
Find similar

GOL flights from Porto Alegre to London

Our best GOL deals on Porto Alegre to London flight tickets
GOL
4 Nov
POA13:40Porto Alegre Salgado Filho
23h 55m
2 stops
LHR16:35London Heathrow
26 Nov
LHR06:30London Heathrow
20h 00m
2 stops
POA23:30Porto Alegre Salgado Filho
£553
Find similar
GOL
7 Nov
POA13:40Porto Alegre Salgado Filho
23h 55m
2 stops
LHR16:35London Heathrow
21 Nov
LHR06:30London Heathrow
36h 10m
2 stops
POA15:40Porto Alegre Salgado Filho
£592
Find similar
GOL
10 Mar
POA11:40Porto Alegre Salgado Filho
23h 10m
2 stops
LHR13:50London Heathrow
31 Mar
LHR08:40London Heathrow
20h 00m
2 stops
POA00:40Porto Alegre Salgado Filho
£609
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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 16 September 2025.
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 4/11

13:40-16:35

2 stops23h 55m

London Heathrow

Wed 26/11

06:30-23:30

2 stops20h 00m

£553

Porto AlegreLondon

POA - LGW

POALGW

Porto Alegre Salgado Filho

Tue 4/11

21:10-15:45

1 stop15h 35m

London Gatwick

Wed 26/11

16:35-19:20

1 stop29h 45m

£573

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 6/11

00:45-22:40

1 stop18h 55m

London Heathrow

Fri 21/11

18:30-19:40

1 stop28h 10m

£576

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Fri 7/11

13:40-16:35

2 stops23h 55m

London Heathrow

Fri 21/11

06:30-15:40

2 stops36h 10m

£592

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 18/12

14:50-14:05

1 stop20h 15m

London Heathrow

Wed 7/1

20:15-11:35

1 stop18h 20m

£638

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 12/3

20:10-14:05

1 stop14h 55m

London Heathrow

Thu 19/3

17:25-11:35

2 stops21h 10m

£643

Porto AlegreLondon

POA - LCY

POALCY

Porto Alegre Salgado Filho

Tue 18/11

11:40-08:10

2 stops17h 30m

London City

Tue 25/11

07:45-00:45

2 stops20h 00m

£667

Porto AlegreLondon

POA - LCY

POALCY

Porto Alegre Salgado Filho

Thu 6/11

13:40-16:35

2 stops23h 55m

London City

Thu 13/11

07:45-23:50

2 stops19h 05m

£738

Porto AlegreLondon

POA - LCY

POALCY

Porto Alegre Salgado Filho

Thu 20/11

05:30-10:55

2 stops26h 25m

London City

Sun 30/11

16:45-08:45

2 stops43h 00m

£778

Porto AlegreLondon

POA - LCY

POALCY

Porto Alegre Salgado Filho

Thu 20/11

05:30-10:55

2 stops26h 25m

London City

Sun 30/11

16:45-23:20

2 stops33h 35m

£779

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 £639, are often lower during this time because this is during the off-season. The month of March is another great option to travel to London, with average flight prices from Porto Alegre averaging around £647.

What is the cheapest day to depart on your flight to London?

Our data shows that Friday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £731. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Porto Alegre to London for around £883.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as £780. Flights in the evening are often more expensive, with an average ticket price of £815.

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 £807 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 £628 on momondo.

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

You could potentially save up to 5% 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?

As of September 2025, prices for Porto Alegre to London flights are approximately 24% more expensive when compared to flights at the same time last year.

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

Direct flights

None
There are no direct flights from Porto Alegre to London. There are no popular flight routes from Porto Alegre to London.
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  • 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 14h 55m, 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 £753Free CancellationRating
7.5
1,847 reviews
Search LATAM Airlines flights

Travelling to a place near London?

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Worthing
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Dover
Hayes
Dartford
Winchester
Hounslow
Stansted

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