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Cheap flights from Porto Alegre to London from £341

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 22/1. Fares are subject to change and may not be available on all flights or dates of travel.
POA — LON
1 Feb — 8 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Porto Alegre to London

Enter your travel dates to find the best prices.

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 2 January 2026.

Mon 18/512:35POA - LHR
2 stops27h 00mLATAM Airlines
Fri 29/521:20LHR - POA
1 stop15h 55mLATAM Airlines
Deal found 1/1£695
Sat 2/501:40POA - LHR
1 stop16h 20mTAP AIR PORTUGAL
Sat 9/506:00LHR - POA
1 stop20h 40mTAP AIR PORTUGAL
Deal found 1/1£741
Tue 12/518:25POA - LHR
2 stops17h 50mGOL
Tue 19/506:15LHR - POA
2 stops21h 40mGOL
Deal found 1/1£764
Tue 12/518:25POA - LCY
2 stops20h 05mKLM
Tue 19/509:20LCY - POA
2 stops18h 35mKLM
Deal found 1/1£790
Sun 1/210:35POA - LCY
2 stops26h 35mITA Airways
Thu 26/208:25LCY - POA
2 stops29h 35mITA Airways
Deal found 31/12£830
Sat 31/111:15POA - LCY
2 stops25h 55mMultiple Airlines
Sat 28/211:30LCY - POA
2 stops53h 55mMultiple Airlines
Deal found 31/12£875
Fri 6/314:50POA - LGW
2 stops24h 00mSWISS
Sun 15/318:40LGW - POA
2 stops19h 55mSWISS
Deal found 1/1£912
Sat 11/411:50POA - STN
2 stops25h 00mTurkish Airlines
Sun 19/410:50STN - POA
2 stops26h 00mTurkish Airlines
Deal found 1/1£994
Sat 2/501:40POA - LGW
1 stop28h 05mTAP AIR PORTUGAL
Sat 9/510:35LGW - POA
1 stop16h 05mTAP AIR PORTUGAL
Deal found 31/12£761
Sun 1/206:10POA - LHR
2 stops33h 10mGOL
Thu 26/209:00LHR - POA
2 stops27h 55mGOL
Deal found 31/12£794
Sun 7/611:00POA - LHR
2 stops24h 05mLATAM Airlines
Sun 14/621:20LHR - POA
1 stop26h 00mLATAM Airlines
Deal found 31/12£825
Thu 5/213:40POA - LCY
2 stops23h 55mKLM
Thu 19/207:45LCY - POA
2 stops18h 55mKLM
Deal found 31/12£841
Thu 5/214:05POA - LCY
2 stops23h 05mITA Airways
Thu 19/216:45LCY - POA
2 stops33h 20mITA Airways
Deal found 1/1£857
Thu 5/218:00POA - LHR
3 stops41h 25mGOL
Thu 19/219:20LHR - POA
2 stops32h 25mGOL
Deal found 1/1£806
Thu 12/300:45POA - LHR
1 stop18h 55mTAP AIR PORTUGAL
Tue 17/306:00LHR - POA
1 stop16h 40mTAP AIR PORTUGAL
Deal found 1/1£833
Mon 8/620:05POA - LHR
1 stop15h 00mLATAM Airlines
Sat 13/621:20LHR - POA
1 stop15h 55mLATAM Airlines
Deal found 31/12£840
Tue 10/313:40POA - LCY
2 stops23h 55mKLM
Tue 31/309:20LCY - POA
2 stops18h 20mKLM
Deal found 31/12£841
Fri 13/311:40POA - LHR
2 stops23h 45mGOL
Thu 16/406:15LHR - POA
2 stops22h 05mGOL
Deal found 1/1£807
Sat 11/411:50POA - STN
2 stops25h 00mMultiple Airlines
Sun 19/410:50STN - POA
2 stops26h 15mMultiple Airlines
Deal found 31/12£991
Fri 5/614:20POA - STN
2 stops46h 30mTurkish Airlines
Wed 17/606:15STN - POA
2 stops55h 00mTurkish Airlines
Deal found 31/12£1,004
Sun 3/517:50POA - LHR
1 stop17h 15mLATAM Airlines
Sat 9/521:20LHR - POA
2 stops23h 35mLATAM Airlines
Deal found 1/1£846
Thu 26/200:45POA - LGW
1 stop36h 00mTAP AIR PORTUGAL
Fri 6/316:40LGW - POA
1 stop30h 00mTAP AIR PORTUGAL
Deal found 31/12£856
Tue 12/518:25POA - LCY
2 stops18h 55mKLM
Thu 28/509:20LCY - POA
2 stops18h 20mKLM
Deal found 31/12£896
Tue 5/511:20POA - STN
2 stops25h 30mMultiple Airlines
Mon 25/510:50STN - POA
2 stops26h 55mMultiple Airlines
Deal found 2/1£994
Sat 6/614:25POA - STN
2 stops39h 30mTurkish Airlines
Wed 17/617:45STN - POA
2 stops43h 30mTurkish Airlines
Deal found 31/12£1,004
Sat 6/601:40POA - LGW
1 stop28h 05mTAP AIR PORTUGAL
Sat 13/610:35LGW - POA
1 stop16h 05mTAP AIR PORTUGAL
Deal found 31/12£893
Sun 17/518:30POA - LCY
2 stops18h 50mKLM
Tue 26/509:20LCY - POA
2 stops18h 35mKLM
Deal found 1/1£901
Fri 5/614:20POA - STN
2 stops46h 30mTurkish Airlines
Sun 14/610:50STN - POA
2 stops41h 05mTurkish Airlines
Deal found 31/12£1,004
Sat 6/601:40POA - LGW
1 stop28h 05mTAP AIR PORTUGAL
Wed 17/616:25LGW - POA
1 stop32h 00mTAP AIR PORTUGAL
Deal found 31/12£893
Wed 18/206:00POA - LCY
2 stops23h 10mKLM
Mon 23/207:45LCY - POA
2 stops20h 00mKLM
Deal found 31/12£916

Find flight deals from Porto Alegre to London

Discover tips and strategies to find the most affordable flight options for your journey from Porto Alegre (POA) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 2 January 2026.

Round-trip from

£643

One-way from

£341

Popular in

July

Cheapest in

February

Average price

£726
LATAM Airlines
  • LATAM Airlines
  • 6/3-15/3
  • 3 total stops
  • 40h 50m total
  • Porto Alegre to London
Search Deals
22/1
  • 22/1
  • 2 total stops
  • 24h 20m total
  • Porto Alegre to London
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£61 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 January 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Porto Alegre to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 2 January 2026.
Use the filters below to find and compare flights from Porto Alegre to London that are best for you.

Fly from

Porto Alegre

Fly to

London

Route

Depart

Return

Price

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Mon 18/5

12:35-19:35

2 stops27h 00m

London Heathrow

Fri 29/5

21:20-09:15

1 stop15h 55m

£695

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sat 2/5

01:40-22:00

1 stop16h 20m

London Heathrow

Sat 9/5

06:00-22:40

1 stop20h 40m

£741

Porto AlegreLondon

POA - LGW

POALGW

Porto Alegre Salgado Filho

Sat 2/5

01:40-09:45

1 stop28h 05m

London Gatwick

Sat 9/5

10:35-22:40

1 stop16h 05m

£761

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Tue 12/5

18:25-16:15

2 stops17h 50m

London Heathrow

Tue 19/5

06:15-23:55

2 stops21h 40m

£764

Porto AlegreLondon

POA - LCY

POALCY

Porto Alegre Salgado Filho

Tue 12/5

18:25-18:30

2 stops20h 05m

London City

Tue 19/5

09:20-23:55

2 stops18h 35m

£790

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sun 1/2

06:10-18:20

2 stops33h 10m

London Heathrow

Thu 26/2

09:00-09:55

2 stops27h 55m

£794

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Thu 5/2

18:00-14:25

3 stops41h 25m

London Heathrow

Thu 19/2

19:20-00:45

2 stops32h 25m

£806

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Fri 13/3

11:40-14:25

2 stops23h 45m

London Heathrow

Thu 16/4

06:15-00:20

2 stops22h 05m

£807

Porto AlegreLondon

POA - LHR

POALHR

Porto Alegre Salgado Filho

Sun 7/6

11:00-15:05

2 stops24h 05m

London Heathrow

Sun 14/6

21:20-19:20

1 stop26h 00m

£825

Porto AlegreLondon

POA - LCY

POALCY

Porto Alegre Salgado Filho

Sun 1/2

10:35-16:10

2 stops26h 35m

London City

Thu 26/2

08:25-11:00

2 stops29h 35m

£830

Flights are sorted by cheapest return flights first.

Deals found on 31/12

Showing 1-10 of 60 results
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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?

Use this chart to determine the optimal time to book a return flight from Porto Alegre to London. Price data was last updated on 26 December 2025.

The best time to book flights from Porto Alegre to London is 32 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 £177). Flying from Porto Alegre to London in September is currently the most expensive (average of £843). 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?

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.

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?

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.

Lisbon (LIS) is the most affordable one-stop option, with an average return flight price of £771.

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.

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?

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.

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

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 2 January 2026.
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
1,899 reviews
Check prices

Boarding

7.6

Food

6.7

Entertainment

7.0

Crew

8.0

Comfort

7.3

Overall

7.5

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
1,899 reviews
LATAM Airlines
7.5
Good
1,899 reviews
Check prices

Boarding

7.6

Food

6.7

Entertainment

7.0

Crew

8.0

Comfort

7.3

Overall

7.5

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
1,144 reviews
LATAM Airlines
7.5
Good
1,899 reviews
Check prices

Boarding

7.6

Food

6.7

Entertainment

7.0

Crew

8.0

Comfort

7.3

Overall

7.5

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
2,104 reviews
LATAM Airlines
7.5
Good
1,899 reviews
Check prices

Boarding

7.6

Food

6.7

Entertainment

7.0

Crew

8.0

Comfort

7.3

Overall

7.5

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

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?

    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 16h 20m. 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 £602. LATAM Airlines is currently priced 23% below the average price you’ll pay for this route.

  • 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 £177). Flying from Porto Alegre to London in September is currently the most expensive (average of £843). 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

Travelling to a place near London?

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Alternative routes for Porto Alegre to London

See prices for flight routes from nearby airports that may be better suited for you.
Porto Alegre to Heathrow flights
Porto Alegre to Gatwick flights
Porto Alegre to Manchester flights
Porto Alegre to Edinburgh flights

Top airline flying from Porto Alegre to London

Discover the top airline that operate flights from Porto Alegre to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 2 January 2026.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest£602Average£806FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights

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?

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.

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