How long is the flight from London to Porto Alegre?

There are many flights that can get you from London to Porto Alegre in 16h 40m. Fly via LATAM Airlines, Air Europa, or TAP AIR PORTUGAL to get the fastest option. The distance between London and Porto Alegre is about 6410 mi. Both multi-stop and direct flights can be found to your destination and back.

What are the cheapest airlines flying from London to Porto Alegre round-trip?

TAP AIR PORTUGAL, at £743, was found to be the cheapest airline from London to Porto Alegre.Alternate airlines flying return to your destination include LATAM Airlines and Virgin Atlantic. These flights start at 26% lower than the current average price 3 months from now.

In terms of precipitation, rainfall in Porto Alegre ranges from 70.0 - 130.0 inches per month. September is typically the wettest month, when rainfall can reach 130.0 mm. November is typically the driest time to visit Porto Alegre when rainfall is around 70.0 mm.

If weather is an important factor for your trip to Porto Alegre, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 13.0 C).

What are the most popular routes from London to Porto Alegre?

The most popular route from London to Porto Alegre is London Gatwick - Porto Alegre Salgado Filho. You may also consider London Heathrow - Porto Alegre Salgado Filho or London City - Porto Alegre Salgado Filho.

What are the most popular airlines that fly from London to Porto Alegre?

When booking a flight from London to Porto Alegre, you may want to consider flying on LATAM Airlines, TAP AIR PORTUGAL or Virgin Atlantic as they are the most popular for this route.

What is the cheapest time of day to fly from LON to POA?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to Porto Alegre as you normally would.

What airport do you fly into for flights to Porto Alegre from London?

If you book a flight to Porto Alegre from London, you will be flying to Salgado Filho, which is the city’s only airport. Porto Alegre Salgado Filho (POA) is located 4.0 mi from the center of Porto Alegre. There are 0 flights from London to Salgado Filho per day from 3 different airlines.

Can I find deals for flights from London to Porto Alegre that include hotel bookings?

Yes. In addition to deals on London to Porto Alegre flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from London to Porto Alegre?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Porto Alegre.

Can I find deals for business class flights from London to Porto Alegre?

Yes. Cheapflights offers flight deals from London to Porto Alegre by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£390+ Cheap Flights from London to Porto Alegre

Cheap flight deals from London to Porto Alegre

Enter your travel dates to find the best prices.

Cheapest

Best

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One-way

Cheapest flights from London to Porto Alegre
Explore the most affordable flight options available from London to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 August 2026.

Mon 7/921:20 -

1 stop20h 55m

Wed 23/917:45 -

1 stop17h 20m

Deal found 3/8£790

Thu 17/906:00 -

3 stops30h 50m

Mon 28/904:05 -

2 stops24h 45m

Deal found 1/8£793

Sat 21/1106:00 -

2 stops21h 15m

Wed 9/1215:25 -

1 stop19h 40m

Deal found 1/8£822

Wed 18/1119:45 -

2 stops31h 30m

Mon 23/1110:30 -

2 stops29h 45m

Deal found 3/8£826

Sat 21/1106:00 -

2 stops21h 15m

Mon 7/1215:25 -

1 stop19h 40m

Deal found 1/8£826

Fri 20/1118:30 -

2 stops19h 10m

Tue 8/1220:55 -

1 stop38h 10m

Deal found 1/8£829

Wed 18/1113:40 -

2 stops24h 10m

Mon 23/1119:35 -

1 stop15h 30m

Deal found 3/8£830

Wed 18/1118:30 -

2 stops19h 20m

Wed 9/1215:25 -

1 stop19h 40m

Deal found 1/8£834

Wed 18/1118:30 -

2 stops19h 20m

Mon 7/1215:25 -

1 stop19h 40m

Deal found 1/8£838

Mon 23/1118:30 -

2 stops19h 20m

Wed 9/1215:25 -

1 stop19h 40m

Deal found 1/8£839

Wed 18/1118:30 -

2 stops19h 20m

Sun 6/1213:00 -

1 stop22h 05m

Deal found 1/8£841

Mon 23/1120:15 -

1 stop15h 15m

Mon 7/1218:00 -

1 stop17h 05m

Deal found 1/8£843

Best flights from London to Porto Alegre
Discover carefully curated flight deals from London to Porto Alegre that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 August 2026.

Mon 9/1106:15 -

2 stops27h 25m

Mon 23/1118:00 -

1 stop17h 05m

Deal found 2/8£869

Wed 2/1207:40 -

2 stops19h 35m

Mon 7/1218:00 -

2 stops18h 50m

Deal found 3/8£882

Tue 13/1017:25 -

2 stops20h 20m

Mon 2/1110:30 -

2 stops19h 30m

Deal found 5/8£1,017

Sat 14/1106:00 -

1 stop16h 40m

Sat 5/1221:10 -

1 stop22h 30m

Deal found 3/8£1,048

Tue 15/908:25 -

2 stops20h 15m

Tue 22/918:45 -

2 stops18h 35m

Deal found 1/8£1,056

Thu 22/1016:40 -

2 stops25h 40m

Tue 3/1115:30 -

2 stops37h 10m

Deal found 3/8£1,081

Mon 4/118:15 -

2 stops24h 30m

Mon 15/218:00 -

2 stops44h 40m

Deal found 3/8£1,112

Tue 13/1020:05 -

2 stops41h 15m

Mon 2/1116:00 -

3 stops23h 40m

Deal found 5/8£1,117

Mon 19/1017:10 -

2 stops28h 35m

Mon 9/1105:15 -

2 stops35h 00m

Deal found 4/8£937

Mon 7/908:25 -

2 stops20h 05m

Wed 23/915:45 -

2 stops21h 35m

Deal found 3/8£968

Mon 7/910:00 -

2 stops28h 55m

Wed 23/905:05 -

2 stops23h 55m

Deal found 5/8£1,076

Mon 9/1116:35 -

1 stop30h 05m

Mon 23/1115:30 -

2 stops26h 05m

Deal found 5/8£1,083

Sat 14/1120:15 -

1 stop15h 15m

Sat 5/1209:15 -

2 stops29h 25m

Deal found 5/8£1,095

Mon 7/914:25 -

3 stops22h 55m

Wed 23/914:15 -

2 stops18h 45m

Deal found 3/8£1,126

Wed 21/1009:20 -

2 stops19h 20m

Sun 1/1106:00 -

2 stops22h 15m

Deal found 3/8£1,142

Mon 9/1118:15 -

2 stops24h 30m

Mon 23/1118:00 -

2 stops44h 40m

Deal found 2/8£1,163

Mon 7/910:35 -

1 stop15h 50m

Wed 23/908:10 -

2 stops21h 35m

Deal found 3/8£1,090

Wed 25/1110:00 -

2 stops35h 20m

Sun 29/1106:00 -

2 stops24h 00m

Deal found 3/8£1,106

Wed 21/1008:40 -

2 stops20h 00m

Sun 1/1111:00 -

2 stops17h 55m

Deal found 3/8£1,057

Tue 20/1010:00 -

2 stops18h 40m

Sun 1/1106:00 -

2 stops22h 15m

Deal found 3/8£1,171

Wed 25/1116:35 -

1 stop29h 45m

Sun 29/1121:10 -

2 stops39h 35m

Deal found 4/8£1,119

Wed 21/1010:00 -

2 stops32h 35m

Mon 2/1110:30 -

2 stops26h 55m

Deal found 3/8£1,138

Wed 2/908:25 -

2 stops19h 00m

Wed 9/918:45 -

2 stops18h 35m

Deal found 5/8£1,175

Fri 20/1118:15 -

2 stops18h 45m

Tue 8/1212:25 -

2 stops17h 50m

Deal found 1/8£1,124

Mon 19/1019:50 -

1 stop29h 55m

Thu 29/1013:20 -

2 stops25h 10m

Deal found 3/8£1,125

Wed 21/1010:00 -

2 stops32h 35m

Tue 3/1109:45 -

2 stops20h 15m

Deal found 3/8£1,138

Sat 14/1110:00 -

2 stops40h 50m

Sat 5/1215:20 -

2 stops24h 05m

Deal found 5/8£1,270

Sat 14/1109:25 -

3 stops39h 20m

Sat 5/1218:00 -

2 stops20h 20m

Deal found 5/8£1,220

Find flight deals from London to Porto Alegre

Round-trip from	£790
One-way from	£390
Popular in	July
Cheapest in	May
Average price	£1,107

LATAM Airlines
7/9-23/9
2 total stops
38h 15m total
London to Porto Alegre

Search Deals

15/9
2 total stops
33h 10m total
London to Porto Alegre

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£141 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£27 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonPorto Alegre

LHR London Heathrow - POA Porto Alegre Salgado Filho

LHRPOA

London Heathrow

Mon 9/11

06:15-06:40

2 stops27h 25m

Porto Alegre Salgado Filho

Mon 23/11

18:00-14:05

1 stop17h 05m

£869

LondonPorto Alegre

LHR London Heathrow - POA Porto Alegre Salgado Filho

LHRPOA

London Heathrow

Wed 2/12

07:40-00:15

2 stops19h 35m

Porto Alegre Salgado Filho

Mon 7/12

18:00-15:50

2 stops18h 50m

£882

LondonPorto Alegre

LGW London Gatwick - POA Porto Alegre Salgado Filho

LGWPOA

London Gatwick

Mon 19/10

17:10-17:45

2 stops28h 35m

Porto Alegre Salgado Filho

Mon 9/11

05:15-19:15

2 stops35h 00m

£937

LondonPorto Alegre

LCY London City - POA Porto Alegre Salgado Filho

LCYPOA

London City

Mon 7/9

08:25-00:30

2 stops20h 05m

Porto Alegre Salgado Filho

Wed 23/9

15:45-17:20

2 stops21h 35m

£968

LondonPorto Alegre

LGW London Gatwick - POA Porto Alegre Salgado Filho

LGWPOA

London Gatwick

Tue 13/10

17:25-09:45

2 stops20h 20m

Porto Alegre Salgado Filho

Mon 2/11

10:30-09:00

2 stops19h 30m

£1,017

LondonPorto Alegre

LHR London Heathrow - POA Porto Alegre Salgado Filho

LHRPOA

London Heathrow

Sat 14/11

06:00-19:40

1 stop16h 40m

Porto Alegre Salgado Filho

Sat 5/12

21:10-22:40

1 stop22h 30m

£1,048

LondonPorto Alegre

LCY London City - POA Porto Alegre Salgado Filho

LCYPOA

London City

Tue 15/9

08:25-00:40

2 stops20h 15m

Porto Alegre Salgado Filho

Tue 22/9

18:45-17:20

2 stops18h 35m

£1,056

LondonPorto Alegre

LHR London Heathrow - POA Porto Alegre Salgado Filho

LHRPOA

London Heathrow

Wed 21/10

08:40-00:40

2 stops20h 00m

Porto Alegre Salgado Filho

Sun 1/11

11:00-07:55

2 stops17h 55m

£1,057

LondonPorto Alegre

LGW London Gatwick - POA Porto Alegre Salgado Filho

LGWPOA

London Gatwick

Mon 7/9

10:00-10:55

2 stops28h 55m

Porto Alegre Salgado Filho

Wed 23/9

05:05-09:00

2 stops23h 55m

£1,076

LondonPorto Alegre

LHR London Heathrow - POA Porto Alegre Salgado Filho

LHRPOA

London Heathrow

Thu 22/10

16:40-14:20

2 stops25h 40m

Porto Alegre Salgado Filho

Tue 3/11

15:30-07:40

2 stops37h 10m

£1,081

Flights are sorted by cheapest return flights first.

Deals found on 5/8

Showing 1-10 of 52 resultsSorted by cheapest first

...

Best time to book a flight from London to Porto Alegre

Have a flexible travel schedule? Discover the best time to fly to Porto Alegre from London with our price prediction graph.

LON-POA

LGW-POA

LHR-POA

LCY-POA

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Porto Alegre

LON-POA

LGW-POA

LHR-POA

LCY-POA

What is the cheapest month to book a flight from London to Porto Alegre?

Currently, April is the cheapest month in which you can book a flight from London to Porto Alegre (average of £768). Flying from London to Porto Alegre in July is currently the most expensive (average of £1,452). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from London to Porto Alegre?

Airfare is below average for this route at the moment.

London to Porto Alegre flights typically cost between £959 and £1,354 in September.
The cheapest return price found within the last 5 days was £790 on LATAM Airlines (7 Sept–23 Sept).

What’s the top stopover airport for flights from London to Porto Alegre?

Sao Paulo (GRU) – chosen by Cheapflights users on 69% of one-stop itineraries from London to Porto Alegre on Cheapflights.

What’s the cheapest stopover airport for flights from London to Porto Alegre?

Lisbon (LIS) is the most affordable one-stop option, with an average return flight price of £780.

What’s the fastest stopover option from London to Porto Alegre?

Flights via Sao Paulo (GRU) have the shortest average one-way travel time for one-stop routes: 15h 53m.

Which airport typically offers the quickest stopover for flights from London to Porto Alegre?

Flights via Sao Paulo (GRU) offer the fastest connection on this route, with an average stopover time of 2h 26m.

How far ahead should I book a flight from London to Porto Alegre?

The best time to book flights from London to Porto Alegre is 67 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Porto Alegre

Get a feel of what it's like to fly with Virgin Atlantic,LATAM Airlines, andTAP AIR PORTUGAL from London to Porto Alegre by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Virgin Atlantic

7.5

Good

694 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Virgin Atlantic

7.5

Good

694 reviews

Virgin Atlantic

7.5

Good

694 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

LATAM Airlines

7.4

Good

1,973 reviews

Virgin Atlantic

7.5

Good

694 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

TAP AIR PORTUGAL

7.2

Good

2,358 reviews

Virgin Atlantic

7.5

Good

694 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Related info for your journey

What airport do you fly into for flights to Porto Alegre from London?
If you book a flight to Porto Alegre from London, you will be flying to Salgado Filho, which is the city’s only airport. Porto Alegre Salgado Filho (POA) is located 4.0 mi from the center of Porto Alegre. There are 0 flights from London to Salgado Filho per day from 3 different airlines.
How long is the flight from London to Porto Alegre?
There are many flights that can get you from London to Porto Alegre in 16h 40m. Fly via LATAM Airlines, Air Europa, or TAP AIR PORTUGAL to get the fastest option. The distance between London and Porto Alegre is about 6410 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from London to Porto Alegre round-trip?
TAP AIR PORTUGAL, at £743, was found to be the cheapest airline from London to Porto Alegre.Alternate airlines flying return to your destination include LATAM Airlines and Virgin Atlantic. These flights start at 26% lower than the current average price 3 months from now.
What are the most popular routes from London to Porto Alegre?
The most popular route from London to Porto Alegre is London Gatwick - Porto Alegre Salgado Filho. You may also consider London Heathrow - Porto Alegre Salgado Filho or London City - Porto Alegre Salgado Filho.
Can I find deals for flights from London to Porto Alegre that include hotel bookings?
Yes. In addition to deals on London to Porto Alegre flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Porto Alegre?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Porto Alegre.
Can I find deals for business class flights from London to Porto Alegre?
Yes. Cheapflights offers flight deals from London to Porto Alegre by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London to Porto Alegre?
Currently, April is the cheapest month in which you can book a flight from London to Porto Alegre (average of £768). Flying from London to Porto Alegre in July is currently the most expensive (average of £1,452). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 3 airlines flying from London to Porto Alegre

Airline	Cheapest	Average	Flexibility	On-time
TAP AIR PORTUGAL	Cheapest£743	Average£837	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
LATAM Airlines	Cheapest£749	Average£1,096	FlexibilityNo cancel fee	On-time81%	Search LATAM Airlines flights
Virgin Atlantic	Cheapest£1,143	Average£1,506	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights

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How does Cheapflights help users find flights from London to Porto Alegre?

Cheapflights makes it easy to find London to Porto Alegre flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from London to Porto Alegre?

Millions of users choose and trust Cheapflights to book the best flight deals from London to Porto Alegre for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from London to Porto Alegre with no change fees?

Yes, we can. To see specific flights from London to Porto Alegre with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from London to Porto Alegre become cheaper?

Yes, Cheapflights offers price alerts on London to Porto Alegre flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from London to Porto Alegre from £390

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Porto Alegre

Cheapest flights from London to Porto AlegreExplore the most affordable flight options available from London to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 August 2026.

Explore the most affordable flight options available from London to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 August 2026.

Best flights from London to Porto AlegreDiscover carefully curated flight deals from London to Porto Alegre that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 August 2026.

Discover carefully curated flight deals from London to Porto Alegre that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 August 2026.

Last-minute flights from London to Porto AlegreDiscover last-minute flight deals from London to Porto Alegre. Data last updated 6 August 2026 and is based on user searches.

Discover last-minute flight deals from London to Porto Alegre. Data last updated 6 August 2026 and is based on user searches.

One-way flights from London to Porto AlegreSearch for one-way flight options from London to Porto Alegre. Find affordable one-way fares based on user searches. Data last updated 6 August 2026.

Search for one-way flight options from London to Porto Alegre. Find affordable one-way fares based on user searches. Data last updated 6 August 2026.

Find flight deals from London to Porto Alegre

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Popular in

Cheapest in

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Use the filters below to find and compare flights from London to Porto Alegre that are best for you.

Best time to book a flight from London to Porto Alegre

Have a flexible travel schedule? Discover the best time to fly to Porto Alegre from London with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from London to Porto Alegre?

How much does it cost for a return flight from London to Porto Alegre?

Airfare is below average for this route at the moment.

London to Porto Alegre flights typically cost between £959 and £1,354 in September.The cheapest return price found within the last 5 days was £790 on LATAM Airlines (7 Sept–23 Sept).

What’s the top stopover airport for flights from London to Porto Alegre?

Share of one-stop return flights from London to Porto Alegre chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Sao Paulo (GRU) – chosen by Cheapflights users on 69% of one-stop itineraries from London to Porto Alegre on Cheapflights.

What’s the cheapest stopover airport for flights from London to Porto Alegre?

Average return fare for one-stop flights from London to Porto Alegre, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Lisbon (LIS) is the most affordable one-stop option, with an average return flight price of £780.

What’s the fastest stopover option from London to Porto Alegre?

Shortest average travel time for one-stop one-way flights from London to Porto Alegre, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Sao Paulo (GRU) have the shortest average one-way travel time for one-stop routes: 15h 53m.

Which airport typically offers the quickest stopover for flights from London to Porto Alegre?

Average stopover duration for one-stop one-way flights from London to Porto Alegre, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Sao Paulo (GRU) offer the fastest connection on this route, with an average stopover time of 2h 26m.

How far ahead should I book a flight from London to Porto Alegre?

The best time to book flights from London to Porto Alegre is 67 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Porto Alegre

Get a feel of what it's like to fly with Virgin Atlantic,LATAM Airlines, andTAP AIR PORTUGAL from London to Porto Alegre by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to Porto Alegre from London?

How long is the flight from London to Porto Alegre?

What are the cheapest airlines flying from London to Porto Alegre round-trip?

What are the most popular routes from London to Porto Alegre?

Can I find deals for flights from London to Porto Alegre that include hotel bookings?

How can I find direct flights from London to Porto Alegre?

Can I find deals for business class flights from London to Porto Alegre?

What is the cheapest month to book a flight from London to Porto Alegre?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to Porto Alegre

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Porto Alegre by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Brazil

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Search flights from London to Porto Alegre by cabin class

Find flights from London to Porto Alegre, based on your preferred cabin class, be it economy, premium economy, business, or first class.

London and Porto Alegre flights

Browse other London and Porto Alegre flight options. Last updated on 6 August 2026.

Other flights from London

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Other flights to Porto Alegre

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Top 3 airlines flying from London to Porto Alegre

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Cheapest flights from London to Porto Alegre
Explore the most affordable flight options available from London to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 August 2026.

Best flights from London to Porto Alegre
Discover carefully curated flight deals from London to Porto Alegre that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 August 2026.

Last-minute flights from London to Porto Alegre
Discover last-minute flight deals from London to Porto Alegre. Data last updated 6 August 2026 and is based on user searches.

One-way flights from London to Porto Alegre
Search for one-way flight options from London to Porto Alegre. Find affordable one-way fares based on user searches. Data last updated 6 August 2026.

London to Porto Alegre flights typically cost between £959 and £1,354 in September.
The cheapest return price found within the last 5 days was £790 on LATAM Airlines (7 Sept–23 Sept).