How long is the flight from Porto Alegre to London?

Departing from Porto Alegre to London will take you 14h 55m. There are 6410 mi between Porto Alegre and London. Both multi-stop and direct flights can be found to your destination and back.

What is the cheapest airline to fly from Porto Alegre to London round-trip?

Cheapflights users have booked flights from Porto Alegre to London round-trip from £769. LATAM Airlines is currently priced 2% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Porto Alegre to London one-way?

To fly one-way, consider booking your trip with LATAM Airlines, which is currently one of the cheapest options available, starting at £352. Avianca flights start at £421 while deals on ITA Airways start at £438 one-way.

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 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 1 airline.

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.

£352+ Cheap Flights from Porto Alegre to London

Cheapflights Tip: The best prices from Porto Alegre Salgado Filho to London are usually found in February or March, booked 42 days in advance, depart on a Friday or Saturday and return on a Thursday

Cheap flight deals from Porto Alegre to London

Round-trip from	£645
One-way from	£352
Popular in	July
Cheapest in	February
Average price	£786

LATAM Airlines
26/11-3/12
3 total stops
53h 25m total
Porto Alegre to London

Search Deals

LATAM Airlines
1/12
2 total stops
30h 05m total
Porto Alegre to London

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (£46 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£10 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Find flight deals from Porto Alegre to London

Enter your travel dates to find the best prices.

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 29 October 2025.

Tue 4/1121:10POA - LHR

1 stop21h 25mTAP AIR PORTUGAL

Wed 26/1118:30LHR - POA

1 stop27h 50mTAP AIR PORTUGAL

Deal found 28/10£602

Tue 4/1111:40POA - LHR

2 stops17h 00mKLM

Wed 26/1106:30LHR - POA

2 stops20h 20mKLM

Deal found 28/10£632

Wed 26/1121:40POA - LHR

2 stops37h 25mLATAM Airlines

Wed 3/1220:15LHR - POA

1 stop16h 00mLATAM Airlines

Deal found 27/10£645

Tue 4/1111:40POA - LCY

2 stops17h 30mKLM

Wed 26/1107:45LCY - POA

2 stops19h 05mKLM

Deal found 27/10£650

Wed 3/1210:05POA - LHR

1 stop25h 00mLATAM Airlines

Thu 25/1220:15LHR - POA

1 stop16h 00mLATAM Airlines

Deal found 27/10£774

Mon 1/1210:00POA - LHR

1 stop25h 05mLATAM Airlines

Thu 25/1220:15LHR - POA

1 stop26h 10mLATAM Airlines

Deal found 27/10£775

Mon 3/1117:50POA - LHR

2 stops22h 25mMultiple Airlines

Thu 13/1106:20LHR - POA

2 stops20h 30mMultiple Airlines

Deal found 27/10£778

Sat 1/1112:30POA - LHR

2 stops18h 15mLufthansa

Wed 12/1118:30LHR - POA

2 stops21h 45mLufthansa

Deal found 28/10£787

Wed 26/1111:45POA - LCY

2 stops20h 10mITA Airways

Wed 3/1208:25LCY - POA

2 stops41h 50mITA Airways

Deal found 27/10£793

Mon 1/1217:55POA - LHR

2 stops20h 10mLufthansa

Wed 24/1217:30LHR - POA

2 stops22h 45mLufthansa

Deal found 27/10£801

Thu 4/1217:55POA - LHR

1 stop17h 10mLATAM Airlines

Sun 28/1220:15LHR - POA

1 stop16h 00mLATAM Airlines

Deal found 28/10£812

Wed 26/1114:50POA - LGW

2 stops24h 00mSWISS

Wed 3/1218:40LGW - POA

2 stops19h 55mSWISS

Deal found 27/10£823

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 29 October 2025.

Fri 13/320:10POA - LHR

1 stop14h 55mLATAM Airlines

Sun 19/421:20LHR - POA

1 stop16h 00mLATAM Airlines

Deal found 28/10£753

Wed 18/205:30POA - LCY

2 stops31h 40mITA Airways

Mon 23/208:25LCY - POA

2 stops57h 10mITA Airways

Deal found 26/10£762

Thu 12/300:45POA - LHR

1 stop18h 55mTAP AIR PORTUGAL

Thu 16/406:00LHR - POA

1 stop18h 25mTAP AIR PORTUGAL

Deal found 27/10£781

Tue 10/313:40POA - LCY

2 stops23h 55mKLM

Tue 31/309:20LCY - POA

2 stops19h 20mKLM

Deal found 27/10£796

Mon 1/1217:50POA - LHR

2 stops37h 40mGOL

Wed 24/1206:30LHR - POA

2 stops37h 00mGOL

Deal found 27/10£824

Fri 30/110:30POA - STN

2 stops34h 25mMultiple Airlines

Mon 9/219:50STN - POA

2 stops27h 10mMultiple Airlines

Deal found 28/10£833

Thu 19/309:35POA - LGW

2 stops20h 25mAir Europa

Mon 23/317:25LGW - POA

2 stops25h 45mAir Europa

Deal found 26/10£935

Wed 26/1117:45POA - STN

2 stops39h 20mEmirates

Wed 3/1214:05STN - POA

2 stops36h 10mEmirates

Deal found 27/10£1,587

Wed 28/113:40POA - LCY

2 stops23h 55mKLM

Wed 4/207:45LCY - POA

2 stops19h 40mKLM

Deal found 27/10£819

Thu 26/315:25POA - STN

2 stops39h 25mTurkish Airlines

Mon 30/311:10STN - POA

2 stops27h 25mTurkish Airlines

Deal found 26/10£1,703

Fri 27/220:10POA - LHR

2 stops18h 05mLATAM Airlines

Mon 20/421:20LHR - POA

1 stop16h 00mLATAM Airlines

Deal found 28/10£855

Thu 13/1111:40POA - LHR

2 stops23h 05mGOL

Thu 20/1106:30LHR - POA

2 stops37h 05mGOL

Deal found 27/10£859

Wed 3/1208:25POA - LCY

2 stops23h 30mITA Airways

Wed 24/1216:45LCY - POA

2 stops33h 30mITA Airways

Deal found 27/10£872

Thu 26/200:45POA - LHR

1 stop18h 55mTAP AIR PORTUGAL

Fri 6/319:55LHR - POA

1 stop26h 45mTAP AIR PORTUGAL

Deal found 26/10£879

Fri 30/114:50POA - LGW

2 stops18h 35mMultiple Airlines

Mon 9/216:35LGW - POA

2 stops33h 50mMultiple Airlines

Deal found 28/10£907

Fri 27/211:40POA - LHR

2 stops23h 45mKLM

Mon 20/406:30LHR - POA

2 stops22h 00mKLM

Deal found 28/10£840

Fri 27/210:30POA - LGW

2 stops19h 30mAir Europa

Fri 6/317:25LGW - POA

2 stops22h 55mAir Europa

Deal found 28/10£944

Fri 7/1117:50POA - LHR

2 stops17h 35mGOL

Fri 21/1106:20LHR - POA

2 stops38h 20mGOL

Deal found 28/10£869

Thu 4/1205:30POA - LCY

2 stops31h 40mITA Airways

Wed 24/1216:45LCY - POA

2 stops33h 30mITA Airways

Deal found 27/10£872

Thu 26/200:45POA - LHR

1 stop18h 55mTAP AIR PORTUGAL

Fri 17/419:50LHR - POA

1 stop30h 50mTAP AIR PORTUGAL

Deal found 27/10£891

Tue 10/313:40POA - LCY

2 stops23h 55mKLM

Tue 17/307:45LCY - POA

2 stops20h 00mKLM

Deal found 26/10£846

Tue 2/1210:55POA - LCY

2 stops26h 15mITA Airways

Wed 24/1216:45LCY - POA

2 stops44h 25mITA Airways

Deal found 27/10£872

Thu 26/200:45POA - LGW

1 stop36h 00mTAP AIR PORTUGAL

Fri 6/316:40LGW - POA

1 stop30h 00mTAP AIR PORTUGAL

Deal found 28/10£895

Sat 31/111:00POA - LGW

2 stops19h 00mAir Europa

Sat 28/217:25LGW - POA

2 stops20h 35mAir Europa

Deal found 29/10£990

Tue 21/418:35POA - LHR

2 stops19h 00mKLM

Thu 30/408:40LHR - POA

2 stops20h 00mKLM

Deal found 27/10£856

Fri 28/1111:55POA - LCY

2 stops20h 00mITA Airways

Wed 24/1216:45LCY - POA

2 stops44h 25mITA Airways

Deal found 27/10£906

Thu 19/311:00POA - LGW

2 stops25h 50mTAP AIR PORTUGAL

Mon 23/316:35LGW - POA

1 stop30h 05mTAP AIR PORTUGAL

Deal found 26/10£932

Sat 29/1121:10POA - LGW

2 stops20h 30mTAP AIR PORTUGAL

Wed 24/1216:35LGW - POA

1 stop29h 45mTAP AIR PORTUGAL

Deal found 27/10£998

Wed 28/119:20POA - STN

2 stops37h 45mEmirates

Wed 4/220:15STN - POA

2 stops41h 40mEmirates

Deal found 27/10£1,682

Fri 23/121:00POA - STN

2 stops36h 05mEmirates

Sat 31/120:15STN - POA

2 stops30h 00mEmirates

Deal found 27/10£1,766

Last-minute flights from Porto Alegre to London
Discover last-minute flight deals from Porto Alegre to London. Data last updated 29 October 2025 and is based on user searches.

Sat 1/1112:30POA - LHR

2 stops18h 15mLufthansa

Wed 12/1118:30LHR - POA

2 stops21h 45mLufthansa

Deal found 28/10£787

Mon 3/1117:50POA - LHR

2 stops22h 25mMultiple Airlines

Thu 13/1106:20LHR - POA

2 stops20h 30mMultiple Airlines

Deal found 27/10£778

Mon 3/1117:50POA - LHR

2 stops20h 10mKLM

Thu 13/1106:30LHR - POA

2 stops20h 20mKLM

Deal found 27/10£827

Tue 4/1121:10POA - LHR

1 stop21h 25mTAP AIR PORTUGAL

Wed 26/1118:30LHR - POA

1 stop27h 50mTAP AIR PORTUGAL

Deal found 28/10£602

Tue 4/1111:40POA - LHR

2 stops17h 00mKLM

Wed 26/1106:30LHR - POA

2 stops20h 20mKLM

Deal found 28/10£632

Tue 4/1111:40POA - LCY

2 stops17h 30mKLM

Wed 26/1107:45LCY - POA

2 stops19h 05mKLM

Deal found 27/10£650

Tue 4/1120:10POA - LHR

1 stop14h 55mLATAM Airlines

Wed 26/1120:15LHR - POA

2 stops20h 55mLATAM Airlines

Deal found 27/10£823

Fri 7/1117:50POA - LHR

2 stops17h 35mGOL

Fri 21/1106:20LHR - POA

2 stops38h 20mGOL

Deal found 27/10£837

Thu 13/1113:40POA - LHR

2 stops21h 05mGOL

Thu 20/1106:30LHR - POA

2 stops37h 05mGOL

Deal found 28/10£826

Thu 20/1114:50POA - LHR

2 stops19h 10mMultiple Airlines

Sun 30/1118:30LHR - POA

2 stops21h 45mMultiple Airlines

Deal found 28/10£819

Wed 26/1121:40POA - LHR

2 stops37h 25mLATAM Airlines

Wed 3/1220:15LHR - POA

1 stop16h 00mLATAM Airlines

Deal found 27/10£645

Wed 26/1111:45POA - LCY

2 stops20h 10mITA Airways

Wed 3/1208:25LCY - POA

2 stops41h 50mITA Airways

Deal found 27/10£793

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 29 October 2025.

Mon 1/1205:00POA - LHR

2 stops30h 05mLATAM Airlines

Deal found 27/10£352

Mon 1/1210:05POA - LCY

2 stops27h 05mMultiple Airlines

Deal found 28/10£391

Mon 1/1214:50POA - LGW

2 stops21h 35mLATAM Airlines

Deal found 28/10£394

Thu 13/1113:40POA - LHR

2 stops21h 55mAvianca

Deal found 28/10£398

Tue 17/313:40POA - LHR

2 stops45h 55mAvianca

Deal found 27/10£421

Tue 17/321:10POA - LHR

1 stop21h 25mTAP AIR PORTUGAL

Deal found 27/10£425

Sat 24/110:30POA - STN

2 stops22h 50mMultiple Airlines

Deal found 27/10£428

Thu 22/105:30POA - LCY

2 stops50h 25mITA Airways

Deal found 28/10£438

Thu 20/1104:40POA - LGW

2 stops30h 10mLATAM Airlines

Deal found 29/10£444

Tue 31/320:00POA - LHR

1 stop15h 05mLATAM Airlines

Deal found 28/10£445

Fri 23/111:50POA - STN

2 stops21h 10mMultiple Airlines

Deal found 27/10£450

Tue 31/310:10POA - LHR

2 stops19h 30mMultiple Airlines

Deal found 28/10£452

Fly from

Fly to

Route

Depart

Return

Price

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Fri 13/3

20:10-14:05

1 stop14h 55m

London Heathrow

Sun 19/4

21:20-09:20

1 stop16h 00m

£753

Porto AlegreLondon

POA - LCY

POALCY

Porto Alegre Salgado Filho

Wed 18/2

05:30-16:10

2 stops31h 40m

London City

Mon 23/2

08:25-14:35

2 stops57h 10m

£762

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

£781

Porto AlegreLondon

POA - LCY

POALCY

Porto Alegre Salgado Filho

Tue 10/3

13:40-16:35

2 stops23h 55m

London City

Tue 31/3

09:20-00:40

2 stops19h 20m

£796

Porto AlegreLondon

POA - LCY

POALCY

Porto Alegre Salgado Filho

Wed 28/1

13:40-16:35

2 stops23h 55m

London City

Wed 4/2

07:45-00:25

2 stops19h 40m

£819

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Mon 1/12

17:50-10:30

2 stops37h 40m

London Heathrow

Wed 24/12

06:30-16:30

2 stops37h 00m

£824

Porto AlegreLondon

POA - STN

POASTN

Porto Alegre Salgado Filho

Fri 30/1

10:30-23:55

2 stops34h 25m

London Stansted

Mon 9/2

19:50-20:00

2 stops27h 10m

£833

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Fri 27/2

11:40-14:25

2 stops23h 45m

London Heathrow

Mon 20/4

06:30-00:30

2 stops22h 00m

£840

Porto AlegreLondon

POA - LCY

POALCY

Porto Alegre Salgado Filho

Tue 10/3

13:40-16:35

2 stops23h 55m

London City

Tue 17/3

07:45-00:45

2 stops20h 00m

£846

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Fri 27/2

20:10-17:15

2 stops18h 05m

London Heathrow

Mon 20/4

21:20-09:20

1 stop16h 00m

£855

Flights are sorted by cheapest return flights first.

Deals found on 27/10

Showing 1-10 of 60 results

...

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.

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

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 42 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.

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

Currently, January is the cheapest month in which you can book a flight from Porto Alegre to London (average of £266). Flying from Porto Alegre to London in September is currently the most expensive (average of £853). 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.

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

It’s typically best to fly out from Porto Alegre to London in the morning. Doing so could potentially save you 23% on the flight price compared to flying in the afternoon, which is usually more expensive.

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

Sao Paulo (GRU) – chosen by Cheapflights users on 73% of one-stop itineraries from Porto Alegre to London on Cheapflights.

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

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

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

Flights via Sao Paulo (GRU) have the shortest average one-way travel time for one-stop routes: 15h 03m.

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

Flights via Sao Paulo (GRU) offer the fastest connection on this route, with an average stopover time of 2h 13m.

Reviews of airlines servicing London

See what other customers who have flown with LATAM Airlines, GOL, andTAP 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

7.5

Good

1,871 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

LATAM Airlines

7.5

Good

1,871 reviews

LATAM Airlines

7.5

Good

1,871 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

GOL

7.3

Good

1,120 reviews

LATAM Airlines

7.5

Good

1,871 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

TAP AIR PORTUGAL

7.1

Good

2,035 reviews

LATAM Airlines

7.5

Good

1,871 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

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 1 airline.
How long is the flight from Porto Alegre to London?
Departing from Porto Alegre to London will take you 14h 55m. There are 6410 mi between Porto Alegre and London. Both multi-stop and direct flights can be found to your destination and back.
What is the cheapest airline to fly from Porto Alegre to London round-trip?
Cheapflights users have booked flights from Porto Alegre to London round-trip from £769. LATAM Airlines is currently priced 2% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Porto Alegre to London one-way?
To fly one-way, consider booking your trip with LATAM Airlines, which is currently one of the cheapest options available, starting at £352. Avianca flights start at £421 while deals on ITA Airways start at £438 one-way.
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, January is the cheapest month in which you can book a flight from Porto Alegre to London (average of £266). Flying from Porto Alegre to London in September is currently the most expensive (average of £853). 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

Milton Keynes

Croydon

Slough

Gatwick

Hounslow

Luton

Ilford

Wembley

Deal

Hayes

Colchester

Watford

Winchester

Chichester

Crawley

Romford

Brentford

Ipswich

Bedford

Eastbourne

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Porto Alegre to London

Airline	Cheapest	Average	Flexibility	On-time
LATAM Airlines	Cheapest£769	Average£829	FlexibilityNo cancel fee	On-time81%	Search LATAM Airlines flights

Fly with Cheapflights

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

When you search for this flight from Porto Alegre to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights simply makes it quick and affordable to book flights from Porto Alegre to London by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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.

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

Yes! Start tracking prices for Porto Alegre to London flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Porto Alegre to London from £352

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Porto Alegre Salgado Filho to London are usually found in February or March, booked 42 days in advance, depart on a Friday or Saturday and return on a Thursday

Cheap flight deals from Porto Alegre to London

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 29 October 2025.

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 29 October 2025.

Cheapflights Fare Finder

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

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

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

Use this chart to determine the optimal time to book a return flight from Porto Alegre to London. Price data was last updated on 24 October 2025.

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

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

Find hourly flight availability from Porto Alegre to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 October 2025.

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

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

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

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

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

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

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

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

Reviews of airlines servicing London

See what other customers who have flown with LATAM Airlines, GOL, andTAP 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

Find useful and relevant information for your journey from Porto Alegre to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

How long is the flight from Porto Alegre to London?

What is the cheapest airline to fly from Porto Alegre to London round-trip?

What are the cheapest airlines to fly from Porto Alegre to London one-way?

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?

Travelling to a place near London?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Porto Alegre to London

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

Top airline flying from Porto Alegre to London

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

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

100% Free

Book with Flexibility

Travel Smart

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 29 October 2025.