How long is the flight from Porto Alegre to London?

Departing from Porto Alegre to London will take you 15h 35m. There are 6402 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 £750. 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 £388. Avianca flights start at £388 while deals on ITA Airways start at £440 one-way.

What is the cheapest day to fly from Porto Alegre to London?

Travellers seeking maximum savings on their Porto Alegre to London flight should consider departing on Friday evenings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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.

£339+ 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	£550
One-way from	£339
Popular in	July
Cheapest in	February
Average price	£853

GOL
18/11-25/11
4 total stops
52h 05m total
Porto Alegre to London

Search Deals

28/9
2 total stops
36h 10m total
Porto Alegre to London

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (£36 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Porto Alegre to London

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 18 September 2025.

Tue 18/1111:40POA - LHR

2 stops23h 10mGOL

Tue 25/1106:20LHR - POA

2 stops28h 55mGOL

Deal found 17/9£550

Tue 4/1121:10POA - LGW

1 stop15h 35mTAP AIR PORTUGAL

Wed 26/1116:35LGW - POA

1 stop29h 45mTAP AIR PORTUGAL

Deal found 16/9£569

Tue 4/1121:10POA - LHR

1 stop22h 30mTAP AIR PORTUGAL

Wed 26/1118:30LHR - POA

1 stop27h 50mTAP AIR PORTUGAL

Deal found 16/9£572

Thu 6/1100:45POA - LHR

1 stop18h 55mTAP AIR PORTUGAL

Fri 21/1118:30LHR - POA

1 stop28h 10mTAP AIR PORTUGAL

Deal found 15/9£574

Tue 18/1121:10POA - LHR

1 stop17h 20mTAP AIR PORTUGAL

Tue 25/1106:00LHR - POA

1 stop16h 40mTAP AIR PORTUGAL

Deal found 14/9£574

Tue 18/1121:10POA - LGW

1 stop15h 35mTAP AIR PORTUGAL

Tue 25/1121:20LGW - POA

2 stops49h 00mTAP AIR PORTUGAL

Deal found 17/9£581

Tue 4/1106:00POA - LHR

2 stops22h 40mMultiple Airlines

Wed 26/1119:25LHR - POA

2 stops31h 05mMultiple Airlines

Deal found 16/9£584

Fri 7/1113:40POA - LHR

2 stops23h 55mGOL

Fri 21/1106:30LHR - POA

2 stops36h 10mGOL

Deal found 16/9£587

Tue 4/1113:40POA - LHR

2 stops23h 55mGOL

Wed 26/1106:30LHR - POA

2 stops20h 00mGOL

Deal found 15/9£589

Tue 18/1111:40POA - LCY

2 stops17h 30mKLM

Tue 25/1107:45LCY - POA

2 stops20h 00mKLM

Deal found 14/9£665

Thu 6/1100:45POA - LGW

1 stop36h 00mTAP AIR PORTUGAL

Fri 21/1116:40LGW - POA

1 stop30h 00mTAP AIR PORTUGAL

Deal found 17/9£675

Sat 1/1121:10POA - LGW

1 stop33h 40mTAP AIR PORTUGAL

Wed 12/1116:35LGW - POA

1 stop29h 45mTAP AIR PORTUGAL

Deal found 15/9£676

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 18 September 2025.

Tue 4/1121:10POA - LGW

1 stop15h 35mTAP AIR PORTUGAL

Wed 26/1116:35LGW - POA

1 stop29h 45mTAP AIR PORTUGAL

Deal found 17/9£569

Mon 3/1113:40POA - LHR

2 stops23h 55mGOL

Thu 13/1106:30LHR - POA

2 stops30h 25mGOL

Deal found 17/9£607

Tue 18/1111:40POA - LCY

2 stops17h 30mKLM

Tue 25/1107:45LCY - POA

2 stops20h 00mKLM

Deal found 14/9£665

Thu 20/1105:30POA - LCY

2 stops26h 25mITA Airways

Sun 30/1116:45LCY - POA

2 stops33h 35mITA Airways

Deal found 16/9£772

Fri 13/314:55POA - LGW

2 stops23h 55mSWISS

Sun 19/418:35LGW - POA

2 stops18h 45mSWISS

Deal found 14/9£807

Tue 4/1109:45POA - LGW

2 stops27h 40mAir Europa

Wed 26/1117:25LGW - POA

2 stops24h 15mAir Europa

Deal found 16/9£849

Tue 14/1009:05POA - STN

2 stops22h 55mMultiple Airlines

Fri 24/1006:15STN - POA

2 stops21h 00mMultiple Airlines

Deal found 15/9£1,015

Tue 4/1113:40POA - LHR

2 stops23h 55mGOL

Wed 26/1119:25LHR - POA

2 stops31h 05mGOL

Deal found 17/9£618

Sat 1/1121:10POA - LGW

1 stop33h 40mTAP AIR PORTUGAL

Wed 12/1116:35LGW - POA

1 stop29h 45mTAP AIR PORTUGAL

Deal found 15/9£676

Tue 4/1111:40POA - LCY

2 stops17h 30mKLM

Wed 26/1107:45LCY - POA

2 stops19h 05mKLM

Deal found 17/9£733

Sat 1/1119:20POA - LHR

2 stops39h 30mGOL

Wed 12/1109:00LHR - POA

2 stops31h 00mGOL

Deal found 16/9£673

Thu 12/300:45POA - LHR

1 stop17h 50mTAP AIR PORTUGAL

Thu 16/406:00LHR - POA

1 stop18h 25mTAP AIR PORTUGAL

Deal found 16/9£684

Wed 18/210:30POA - LCY

2 stops26h 40mITA Airways

Mon 23/216:45LCY - POA

2 stops43h 00mITA Airways

Deal found 17/9£773

Sat 7/213:40POA - STN

2 stops43h 25mEmirates

Mon 16/220:15STN - POA

2 stops30h 00mEmirates

Deal found 16/9£1,549

Fri 7/1117:50POA - LHR

3 stops43h 15mGOL

Fri 21/1106:30LHR - POA

2 stops36h 10mGOL

Deal found 17/9£681

Thu 12/300:45POA - LHR

1 stop15h 10mTAP AIR PORTUGAL

Sat 18/406:00LHR - POA

1 stop20h 35mTAP AIR PORTUGAL

Deal found 16/9£684

Tue 18/1105:30POA - LGW

2 stops24h 30mAir Europa

Tue 25/1110:00LGW - POA

2 stops31h 20mAir Europa

Deal found 14/9£855

Mon 9/215:25POA - LCY

2 stops21h 45mITA Airways

Wed 18/216:45LCY - POA

2 stops43h 00mITA Airways

Deal found 16/9£783

Fri 13/311:40POA - LHR

2 stops23h 05mGOL

Sun 19/408:40LHR - POA

2 stops19h 50mGOL

Deal found 16/9£686

Tue 2/1211:40POA - LCY

2 stops18h 50mKLM

Wed 10/1207:45LCY - POA

2 stops20h 00mKLM

Deal found 15/9£846

Sun 8/215:10POA - LCY

2 stops22h 00mITA Airways

Wed 18/216:45LCY - POA

2 stops43h 00mITA Airways

Deal found 16/9£816

Fri 13/313:40POA - LHR

2 stops23h 55mGOL

Thu 16/408:40LHR - POA

2 stops27h 30mGOL

Deal found 16/9£686

Thu 2/1021:55POA - STN

1 stop19h 55mMultiple Airlines

Tue 14/1006:15STN - POA

1 stop19h 30mMultiple Airlines

Deal found 17/9£1,079

Tue 21/1000:15POA - LGW

1 stop29h 25mTAP AIR PORTUGAL

Mon 3/1116:35LGW - POA

1 stop30h 05mTAP AIR PORTUGAL

Deal found 15/9£818

Wed 4/209:35POA - LCY

2 stops27h 35mITA Airways

Mon 16/216:45LCY - POA

2 stops33h 30mITA Airways

Deal found 16/9£853

Thu 2/1021:55POA - STN

1 stop19h 55mMultiple Airlines

Sat 11/1006:10STN - POA

1 stop20h 25mMultiple Airlines

Deal found 17/9£1,083

Thu 5/205:30POA - LCY

2 stops31h 40mITA Airways

Tue 17/216:45LCY - POA

2 stops33h 30mITA Airways

Deal found 16/9£853

Tue 30/900:15POA - STN

1 stop19h 40mMultiple Airlines

Tue 14/1006:15STN - POA

1 stop19h 30mMultiple Airlines

Deal found 17/9£1,128

Fri 6/208:25POA - LCY

2 stops23h 30mITA Airways

Wed 18/216:45LCY - POA

2 stops43h 00mITA Airways

Deal found 16/9£853

Thu 5/209:35POA - LCY

2 stops27h 35mITA Airways

Fri 13/216:45LCY - POA

2 stops33h 30mITA Airways

Deal found 16/9£853

Last-minute flights from Porto Alegre to London
Discover last-minute flight deals from Porto Alegre to London. Data last updated 18 September 2025 and is based on user searches.

Tue 30/921:05POA - LCY

2 stops33h 00mITA Airways

Tue 14/1016:50LCY - POA

2 stops34h 25mITA Airways

Deal found 17/9£923

Tue 7/1017:40POA - LHR

2 stops20h 55mGOL

Tue 21/1017:35LHR - POA

2 stops35h 15mGOL

Deal found 16/9£755

Wed 8/1017:45POA - LHR

2 stops18h 30mGOL

Tue 21/1006:15LHR - POA

2 stops22h 40mGOL

Deal found 15/9£710

Wed 8/1005:30POA - LCY

2 stops24h 35mITA Airways

Tue 21/1008:30LCY - POA

2 stops42h 45mITA Airways

Deal found 17/9£914

Thu 9/1008:45POA - LHR

2 stops27h 30mGOL

Tue 21/1006:15LHR - POA

2 stops22h 40mGOL

Deal found 15/9£729

Fri 10/1010:25POA - LHR

2 stops31h 00mGOL

Mon 20/1017:35LHR - POA

2 stops35h 20mGOL

Deal found 15/9£740

Tue 14/1009:05POA - LGW

2 stops22h 40mMultiple Airlines

Fri 24/1007:30LGW - POA

3 stops43h 45mMultiple Airlines

Deal found 15/9£851

Tue 21/1000:15POA - LGW

1 stop29h 25mTAP AIR PORTUGAL

Mon 3/1116:35LGW - POA

1 stop30h 05mTAP AIR PORTUGAL

Deal found 17/9£816

Wed 22/1017:45POA - LHR

2 stops18h 30mGOL

Mon 3/1119:20LHR - POA

2 stops32h 25mGOL

Deal found 16/9£683

Thu 30/1000:45POA - LGW

2 stops16h 55mTAP AIR PORTUGAL

Mon 10/1116:35LGW - POA

1 stop30h 05mTAP AIR PORTUGAL

Deal found 15/9£772

Thu 30/1000:45POA - LHR

1 stop17h 50mTAP AIR PORTUGAL

Mon 10/1118:30LHR - POA

1 stop28h 10mTAP AIR PORTUGAL

Deal found 16/9£773

Fri 31/1013:40POA - LHR

2 stops21h 45mGOL

Mon 10/1106:30LHR - POA

2 stops21h 15mGOL

Deal found 17/9£674

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 18 September 2025.

Sun 28/917:50POA - LGW

2 stops36h 10mMultiple Airlines

Deal found 15/9£339

Mon 29/905:20POA - LGW

2 stops24h 40mMultiple Airlines

Deal found 15/9£340

Wed 1/1020:00POA - LGW

3 stops34h 00mMultiple Airlines

Deal found 15/9£359

Tue 30/906:40POA - LGW

2 stops47h 20mMultiple Airlines

Deal found 15/9£362

Tue 30/901:25POA - LHR

3 stops40h 35mMultiple Airlines

Deal found 15/9£363

Sat 27/907:20POA - LGW

3 stops46h 50mMultiple Airlines

Deal found 15/9£363

Sat 4/1007:20POA - LGW

3 stops46h 50mMultiple Airlines

Deal found 15/9£381

Wed 8/1013:55POA - LHR

2 stops21h 40mAvianca

Deal found 16/9£388

Wed 8/1012:35POA - LHR

1 stop22h 30mLATAM Airlines

Deal found 16/9£391

Mon 1/1205:00POA - LHR

2 stops30h 05mLATAM Airlines

Deal found 17/9£393

Sun 30/1104:45POA - LGW

2 stops31h 40mLATAM Airlines

Deal found 16/9£401

Tue 7/1000:15POA - LHR

1 stop30h 05mTAP AIR PORTUGAL

Deal found 17/9£421

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

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

£569

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Mon 3/11

13:40-16:35

2 stops23h 55m

London Heathrow

Thu 13/11

06:30-09:55

2 stops30h 25m

£607

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 4/11

13:40-16:35

2 stops23h 55m

London Heathrow

Wed 26/11

19:25-23:30

2 stops31h 05m

£618

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

£665

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sat 1/11

19:20-13:50

2 stops39h 30m

London Heathrow

Wed 12/11

09:00-13:00

2 stops31h 00m

£673

Porto AlegreLondon

POA - LGW

POALGW

Porto Alegre Salgado Filho

Sat 1/11

21:10-09:50

1 stop33h 40m

London Gatwick

Wed 12/11

16:35-19:20

1 stop29h 45m

£676

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Fri 7/11

17:50-16:05

3 stops43h 15m

London Heathrow

Fri 21/11

06:30-15:40

2 stops36h 10m

£681

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 12/3

00:45-21:35

1 stop17h 50m

London Heathrow

Thu 16/4

06:00-20:25

1 stop18h 25m

£684

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 12/3

00:45-18:55

1 stop15h 10m

London Heathrow

Sat 18/4

06:00-22:35

1 stop20h 35m

£684

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Fri 13/3

11:40-13:45

2 stops23h 05m

London Heathrow

Sun 19/4

08:40-00:30

2 stops19h 50m

£686

Flights are sorted by cheapest return flights first.

Deals found on 15/9

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 £112). Flying from Porto Alegre to London in August is currently the most expensive (average of £164). 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 5% on the flight price compared to flying at midday, 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 71% 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 £761.

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 05m.

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 16m.

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

1,849 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Darrel,Sept 2025

LIM - GRU

The Wi-Fi was not working, so there was no in-flight entertainment. The biggest disappointment was that my Delta diamond status did not transfer any status to my LATAM flight. I WOULD’VE THOUGHT THAT THERE WOULD BE A BETTER WORKING AGREEMENT BETWEEN THE AIRLINES.

LATAM Airlines

7.5

Good

1,849 reviews

LATAM Airlines

7.5

Good

1,849 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Darrel,Sept 2025

LIM - GRU

GOL

7.3

Good

1,106 reviews

LATAM Airlines

7.5

Good

1,849 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Darrel,Sept 2025

LIM - GRU

TAP AIR PORTUGAL

7.1

Good

1,977 reviews

LATAM Airlines

7.5

Good

1,849 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Darrel,Sept 2025

LIM - GRU

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 15h 35m. There are 6402 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 £750. 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 £388. Avianca flights start at £388 while deals on ITA Airways start at £440 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 £112). Flying from Porto Alegre to London in August is currently the most expensive (average of £164). 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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Gatwick

Luton

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Wembley

Ilford

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Hayes

Watford

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Chichester

Ipswich

Dartford

Guildford

Brentford

Bishop's Stortford

Romford

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£750	Average£852	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?

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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 £339

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 28/9. 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

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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 18 September 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 18 September 2025.

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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 12 September 2025.

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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 18 September 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.

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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 18 September 2025.