How long is the flight from Porto Alegre to London?

Departing from Porto Alegre to London will take you 58h 10m. There are 6410 mi between Porto Alegre and London.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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

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

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

When flying from Porto Alegre to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Located just 4.0 mi from the city center, Porto Alegre Salgado Filho is the airport most travelers will use when flying to London from Porto Alegre. Booking flights from Salgado Filho (POA) to London should be relatively easy as there are 0 daily outbound flights to London from 0 different airlines.

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

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

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

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

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

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

£264+ Cheap Flights from Porto Alegre to London

Cheap flight deals from Porto Alegre to London

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Porto Alegre to London
Explore the most affordable flight options available from Porto Alegre to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 October 2026.

Sat 14/1121:10 -

1 stop22h 30m

Thu 19/1106:00 -

1 stop16h 20m

Deal found 24/10£726

Sat 7/1121:10 -

1 stop15h 20m

Tue 4/508:00 -

1 stop16h 20m

Deal found 27/10£737

Thu 5/1101:30 -

1 stop18h 10m

Tue 4/506:00 -

1 stop18h 20m

Deal found 27/10£738

Thu 5/1101:30 -

1 stop17h 05m

Fri 7/519:50 -

2 stops28h 10m

Deal found 27/10£740

Thu 5/1101:30 -

1 stop17h 05m

Tue 4/506:00 -

2 stops22h 15m

Deal found 27/10£746

Mon 23/1109:20 -

1 stop25h 45m

Fri 27/1120:15 -

2 stops17h 45m

Deal found 26/10£748

Sat 7/1121:10 -

1 stop15h 20m

Tue 4/520:00 -

2 stops39h 55m

Deal found 27/10£749

Thu 5/1101:30 -

1 stop17h 05m

Wed 5/511:30 -

2 stops26h 30m

Deal found 27/10£749

Thu 5/1101:30 -

1 stop17h 05m

Thu 6/511:30 -

2 stops26h 30m

Deal found 27/10£752

Tue 24/1120:00 -

1 stop15h 05m

Tue 1/1220:15 -

1 stop22h 05m

Deal found 25/10£757

Sat 21/1121:10 -

1 stop21h 25m

Sat 28/1109:55 -

3 stops49h 15m

Deal found 24/10£762

Find flight deals from Porto Alegre to London

Round-trip from	£726
One-way from	£264
Popular in	July
Cheapest in	March
Average price	£898

TAP AIR PORTUGAL
14/11-19/11
2 total stops
38h 50m total
Porto Alegre to London

Search Deals

LATAM Airlines
24/11-31/12
1 total stop
17h 05m total
Porto Alegre to London

Search Deals

Highest demand for flights based on searches. 8% potential increase in price (£62 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£11 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Cheapflights Fare Finder

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

Cheapest return flight

Porto AlegreLondon

POA Porto Alegre Salgado Filho - LHR London Heathrow

POALHR

Porto Alegre Salgado Filho

Thu 12/11

11:30-14:05

2 stops23h 35m

London Heathrow

Wed 31/12

00:00-20:00

Nonstop0h 00m

£305

Porto AlegreLondon

POA Porto Alegre Salgado Filho - LHR London Heathrow

POALHR

Porto Alegre Salgado Filho

Wed 17/2

11:45-14:35

2 stops23h 50m

London Heathrow

Wed 31/12

00:00-20:00

Nonstop0h 00m

£453

Porto AlegreLondon

POA Porto Alegre Salgado Filho - LHR London Heathrow

POALHR

Porto Alegre Salgado Filho

Sun 7/3

11:10-14:35

2 stops24h 25m

London Heathrow

Wed 31/12

00:00-20:00

Nonstop0h 00m

£533

Porto AlegreLondon

POA Porto Alegre Salgado Filho - LHR London Heathrow

POALHR

Porto Alegre Salgado Filho

Sun 7/3

19:30-22:40

2 stops24h 10m

London Heathrow

Wed 31/12

00:00-20:00

Nonstop0h 00m

£577

Porto AlegreLondon

POA Porto Alegre Salgado Filho - LHR London Heathrow

POALHR

Porto Alegre Salgado Filho

Sun 7/3

04:20-07:40

3 stops24h 20m

London Heathrow

Wed 31/12

00:00-20:00

Nonstop0h 00m

£657

Porto AlegreLondon

POA Porto Alegre Salgado Filho - LHR London Heathrow

POALHR

Porto Alegre Salgado Filho

Thu 4/3

18:30-14:25

3 stops40h 55m

London Heathrow

Wed 31/12

00:00-20:00

Nonstop0h 00m

£662

Fastest return journey

Porto AlegreLondon

POA Porto Alegre Salgado Filho - LHR London Heathrow

POALHR

Porto Alegre Salgado Filho

Thu 24/12

01:30-21:35

1 stop17h 05m

London Heathrow

Wed 31/12

00:00-20:00

Nonstop0h 00m

£715

Porto AlegreLondon

POA Porto Alegre Salgado Filho - LHR London Heathrow

POALHR

Porto Alegre Salgado Filho

Mon 21/12

10:40-12:40

2 stops23h 00m

London Heathrow

Wed 31/12

00:00-20:00

Nonstop0h 00m

£720

Porto AlegreLondon

POA Porto Alegre Salgado Filho - LHR London Heathrow

POALHR

Porto Alegre Salgado Filho

Tue 9/3

18:30-07:40

3 stops58h 10m

London Heathrow

Tue 23/3

06:20-23:45

2 stops20h 25m

£849

Porto AlegreLondon

POA Porto Alegre Salgado Filho - LHR London Heathrow

POALHR

Porto Alegre Salgado Filho

Thu 25/3

11:10-13:45

2 stops23h 35m

London Heathrow

Sat 10/4

17:35-00:30

2 stops34h 55m

£883

Flights are sorted by cheapest return flights first.

Deals found on 23/10

Showing 1-10 of 19 resultsSorted by cheapest first

Best time to book a flight from Porto Alegre to London

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

POA-LON

POA-LHR

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 Porto Alegre to London

POA-LON

POA-LHR

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

Currently, March is the cheapest month in which you can book a flight from Porto Alegre to London (average of £790). Flying from Porto Alegre to London in July is currently the most expensive (average of £1,085). 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 Porto Alegre to London?

Airfare is below average for this route at the moment.

Porto Alegre to London flights typically cost between £812 and £963 in November.
The cheapest return price found within the last 5 days was £726 on TAP AIR PORTUGAL (14 Nov–19 Nov).

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

The best time to book flights from Porto Alegre to London is 73 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 London

See what other customers who have flown with LATAM Airlines and TAP AIR PORTUGAL from Porto Alegre to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

LATAM Airlines

7.4

Good

1,969 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Oct 2026

GRU - JNB

No communication from captain about the delay long waiting time. Shitty airline with incompetent employees especially employees from Brazil.

LATAM Airlines

7.4

Good

1,969 reviews

LATAM Airlines

7.4

Good

1,969 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Oct 2026

GRU - JNB

No communication from captain about the delay long waiting time. Shitty airline with incompetent employees especially employees from Brazil.

TAP AIR PORTUGAL

7.2

Good

2,386 reviews

LATAM Airlines

7.4

Good

1,969 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Oct 2026

GRU - JNB

No communication from captain about the delay long waiting time. Shitty airline with incompetent employees especially employees from Brazil.

Related info for your journey

What airport do you fly from for flights from Porto Alegre to London?
Located just 4.0 mi from the city center, Porto Alegre Salgado Filho is the airport most travelers will use when flying to London from Porto Alegre. Booking flights from Salgado Filho (POA) to London should be relatively easy as there are 0 daily outbound flights to London from 0 different airlines.
How long is the flight from Porto Alegre to London?
Departing from Porto Alegre to London will take you 58h 10m. There are 6410 mi between Porto Alegre and London.
What are the most popular routes from Porto Alegre to London?
The most popular route from Porto Alegre to London is Porto Alegre Salgado Filho - London Heathrow. You may also consider Porto Alegre Salgado Filho - London Gatwick or Porto Alegre Salgado Filho - London City.
Can I find deals for flights from Porto Alegre to London that include hotel bookings?
Yes. In addition to deals on Porto Alegre to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Porto Alegre to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Porto Alegre to London.
Can I find deals for business class flights from Porto Alegre to London?
Yes. Cheapflights offers flight deals from Porto Alegre to London 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 Porto Alegre to London?
Currently, March is the cheapest month in which you can book a flight from Porto Alegre to London (average of £790). Flying from Porto Alegre to London in July is currently the most expensive (average of £1,085). 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.

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

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Porto Alegre to London flexibly with Cheapflights today.

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Cheap flights from Porto Alegre to London from £264

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Porto Alegre to London

Cheapest flights from Porto Alegre to LondonExplore the most affordable flight options available from Porto Alegre to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 October 2026.

Explore the most affordable flight options available from Porto Alegre to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 October 2026.

Best flights from Porto Alegre to LondonDiscover carefully curated flight deals from Porto Alegre to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 October 2026.

Discover carefully curated flight deals from Porto Alegre to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 October 2026.

Last-minute flights from Porto Alegre to LondonDiscover last-minute flight deals from Porto Alegre to London. Data last updated 27 October 2026 and is based on user searches.

Discover last-minute flight deals from Porto Alegre to London. Data last updated 27 October 2026 and is based on user searches.

One-way flights from Porto Alegre to LondonSearch for one-way flight options from Porto Alegre to London. Find affordable one-way fares based on user searches. Data last updated 27 October 2026.

Search for one-way flight options from Porto Alegre to London. Find affordable one-way fares based on user searches. Data last updated 27 October 2026.

Find flight deals from Porto Alegre to London

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

Best time to book a flight from Porto Alegre to London

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

Cheapflights Insights

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

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

Airfare is below average for this route at the moment.

Porto Alegre to London flights typically cost between £812 and £963 in November.The cheapest return price found within the last 5 days was £726 on TAP AIR PORTUGAL (14 Nov–19 Nov).

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

The best time to book flights from Porto Alegre to London is 73 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 London

See what other customers who have flown with LATAM Airlines and TAP AIR PORTUGAL from Porto Alegre to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How long is the flight from Porto Alegre to London?

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

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

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

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

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

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Other flights to London

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

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Cheapest flights from Porto Alegre to London
Explore the most affordable flight options available from Porto Alegre to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 October 2026.

Best flights from Porto Alegre to London
Discover carefully curated flight deals from Porto Alegre to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 October 2026.

Last-minute flights from Porto Alegre to London
Discover last-minute flight deals from Porto Alegre to London. Data last updated 27 October 2026 and is based on user searches.

One-way flights from Porto Alegre to London
Search for one-way flight options from Porto Alegre to London. Find affordable one-way fares based on user searches. Data last updated 27 October 2026.

Porto Alegre to London flights typically cost between £812 and £963 in November.
The cheapest return price found within the last 5 days was £726 on TAP AIR PORTUGAL (14 Nov–19 Nov).