Cheap flights from Porto Alegre to London from £423
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
2 Jan — 9 Jan1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
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
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 3 December 2025.
Tue 2/1211:40POA - LHR
2 stops18h 20mMultiple Airlines
Tue 9/1208:55LHR - POA
2 stops26h 20mMultiple Airlines
Deal found 1/12£852
Tue 2/1221:10POA - LHR
1 stop22h 30mTAP AIR PORTUGAL
Tue 9/1206:00LHR - POA
1 stop16h 40mTAP AIR PORTUGAL
Deal found 1/12£876
Tue 2/1211:40POA - LCY
2 stops16h 35mKLM
Tue 9/1207:45LCY - POA
2 stops20h 00mKLM
Deal found 1/12£920
Wed 17/1210:05POA - LHR
2 stops20h 10mLATAM Airlines
Wed 31/1220:15LHR - POA
1 stop16h 00mLATAM Airlines
Deal found 2/12£983
Tue 2/1221:10POA - LGW
1 stop33h 40mTAP AIR PORTUGAL
Tue 9/1216:35LGW - POA
2 stops21h 15mTAP AIR PORTUGAL
Deal found 1/12£1,023
Wed 17/1209:35POA - LCY
2 stops27h 35mITA Airways
Wed 31/1208:25LCY - POA
2 stops33h 15mITA Airways
Deal found 2/12£1,045
Tue 23/1205:20POA - LHR
2 stops29h 45mLATAM Airlines
Tue 3/218:45LHR - POA
2 stops19h 50mLATAM Airlines
Deal found 2/12£1,052
Tue 23/1210:05POA - LGW
2 stops29h 55mLATAM Airlines
Tue 3/219:40LGW - POA
2 stops18h 55mLATAM Airlines
Deal found 1/12£1,061
Mon 22/1210:05POA - LHR
2 stops20h 10mLATAM Airlines
Wed 14/120:15LHR - POA
1 stop23h 50mLATAM Airlines
Deal found 2/12£1,077
Tue 23/1213:55POA - LCY
2 stops23h 15mITA Airways
Tue 3/216:45LCY - POA
2 stops33h 10mITA Airways
Deal found 2/12£1,086
Wed 31/1214:50POA - STN
2 stops20h 20mMultiple Airlines
Wed 7/111:40STN - POA
3 stops33h 40mMultiple Airlines
Deal found 1/12£1,130
Mon 22/1217:55POA - LCY
2 stops20h 25mKLM
Mon 29/1207:45LCY - POA
2 stops20h 00mKLM
Deal found 1/12£1,148
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 3 December 2025.
Wed 11/315:15POA - STN
2 stops23h 55mMultiple Airlines
Sat 28/320:10STN - POA
2 stops30h 45mMultiple Airlines
Deal found 30/11£662
Fri 13/314:55POA - LHR
2 stops20h 10mLATAM Airlines
Sun 19/421:20LHR - POA
2 stops23h 35mLATAM Airlines
Deal found 2/12£672
Wed 29/406:00POA - LHR
2 stops24h 30mGOL
Wed 13/508:40LHR - POA
2 stops19h 15mGOL
Deal found 1/12£709
Thu 12/300:45POA - LHR
1 stop15h 10mTAP AIR PORTUGAL
Thu 16/406:00LHR - POA
1 stop18h 25mTAP AIR PORTUGAL
Deal found 1/12£806
Fri 27/210:55POA - LCY
2 stops21h 00mITA Airways
Fri 6/308:25LCY - POA
2 stops28h 30mITA Airways
Deal found 2/12£889
Fri 27/209:45POA - LGW
2 stops20h 15mAir Europa
Fri 6/317:25LGW - POA
2 stops24h 10mAir Europa
Deal found 2/12£889
Wed 11/314:50POA - LHR
3 stops24h 50mSWISS
Sat 28/320:05LHR - POA
2 stops40h 10mSWISS
Deal found 30/11£899
Mon 11/518:25POA - LCY
2 stops20h 05mKLM
Tue 26/508:25LCY - POA
2 stops19h 30mKLM
Deal found 30/11£927
Sun 1/215:15POA - STN
2 stops30h 35mMultiple Airlines
Tue 10/219:45STN - POA
2 stops27h 15mMultiple Airlines
Deal found 1/12£754
Thu 26/200:45POA - LHR
1 stop17h 50mTAP AIR PORTUGAL
Sat 18/406:00LHR - POA
1 stop20h 40mTAP AIR PORTUGAL
Deal found 1/12£833
Wed 22/406:00POA - LHR
2 stops24h 30mGOL
Fri 1/506:15LHR - POA
2 stops21h 25mGOL
Deal found 30/11£859
Sun 1/214:50POA - LHR
2 stops20h 15mLATAM Airlines
Thu 26/220:15LHR - POA
1 stop18h 20mLATAM Airlines
Deal found 2/12£886
Fri 30/114:00POA - LCY
2 stops47h 10mMultiple Airlines
Mon 9/216:45LCY - POA
2 stops35h 00mMultiple Airlines
Deal found 1/12£806
Thu 5/209:35POA - LCY
2 stops22h 20mITA Airways
Thu 19/216:45LCY - POA
2 stops20h 25mITA Airways
Deal found 1/12£890
Tue 10/309:45POA - LGW
2 stops27h 40mAir Europa
Tue 31/310:00LGW - POA
2 stops27h 05mAir Europa
Deal found 1/12£926
Mon 13/418:30POA - LCY
2 stops18h 10mKLM
Mon 27/408:25LCY - POA
2 stops19h 55mKLM
Deal found 1/12£927
Thu 26/200:45POA - LHR
1 stop18h 55mTAP AIR PORTUGAL
Fri 17/419:50LHR - POA
1 stop30h 50mTAP AIR PORTUGAL
Deal found 30/11£860
Sat 31/111:00POA - LCY
2 stops26h 10mMultiple Airlines
Sat 28/211:35LCY - POA
2 stops26h 25mMultiple Airlines
Deal found 2/12£806
Sun 1/211:40POA - LHR
2 stops23h 10mGOL
Thu 26/209:00LHR - POA
2 stops27h 55mGOL
Deal found 2/12£887
Sat 31/111:00POA - LGW
2 stops19h 00mAir Europa
Sat 28/217:25LGW - POA
2 stops20h 35mAir Europa
Deal found 1/12£926
Wed 21/114:10POA - LCY
2 stops23h 00mITA Airways
Tue 10/216:45LCY - POA
2 stops24h 50mITA Airways
Deal found 2/12£927
Mon 11/518:25POA - LCY
2 stops18h 15mKLM
Wed 27/508:25LCY - POA
2 stops19h 30mKLM
Deal found 1/12£930
Thu 26/200:45POA - LGW
1 stop36h 00mTAP AIR PORTUGAL
Fri 6/310:40LGW - POA
1 stop36h 00mTAP AIR PORTUGAL
Deal found 2/12£878
Fri 13/317:55POA - LHR
3 stops43h 10mGOL
Thu 16/406:15LHR - POA
2 stops22h 05mGOL
Deal found 2/12£906
Thu 5/211:40POA - LCY
2 stops20h 15mMultiple Airlines
Thu 19/216:45LCY - POA
2 stops21h 10mMultiple Airlines
Deal found 2/12£843
Fri 30/109:35POA - LCY
2 stops22h 20mITA Airways
Sun 8/216:45LCY - POA
2 stops28h 35mITA Airways
Deal found 1/12£928
Tue 12/518:25POA - LCY
2 stops18h 15mKLM
Tue 19/510:00LCY - POA
2 stops17h 55mKLM
Deal found 2/12£930
Sat 9/506:00POA - LGW
2 stops30h 25mAir Europa
Wed 20/510:00LGW - POA
2 stops32h 35mAir Europa
Deal found 2/12£937
Thu 9/421:55POA - LHR
1 stop21h 00mTAP AIR PORTUGAL
Sat 18/408:00LHR - POA
1 stop18h 40mTAP AIR PORTUGAL
Deal found 1/12£883
Sat 9/505:30POA - LGW
2 stops23h 30mAir Europa
Sun 24/510:00LGW - POA
2 stops32h 20mAir Europa
Deal found 2/12£937
Last-minute flights from Porto Alegre to London
Discover last-minute flight deals from Porto Alegre to London. Data last updated 3 December 2025 and is based on user searches.
Tue 2/1211:40POA - LHR
2 stops18h 20mMultiple Airlines
Tue 9/1208:55LHR - POA
2 stops26h 20mMultiple Airlines
Deal found 1/12£852
Tue 2/1211:40POA - LCY
2 stops16h 35mKLM
Tue 9/1207:45LCY - POA
2 stops20h 00mKLM
Deal found 1/12£920
Mon 26/117:55POA - LHR
1 stop17h 10mLATAM Airlines
Mon 16/220:15LHR - POA
1 stop23h 50mLATAM Airlines
Deal found 1/12£864
Mon 26/113:40POA - LHR
2 stops21h 25mLATAM Airlines
Mon 9/209:10LHR - POA
2 stops18h 30mLATAM Airlines
Deal found 30/11£865
Wed 28/114:50POA - LHR
1 stop20h 15mLATAM Airlines
Fri 6/220:15LHR - POA
1 stop23h 50mLATAM Airlines
Deal found 1/12£846
Thu 29/120:10POA - LHR
1 stop14h 55mLATAM Airlines
Fri 20/218:45LHR - POA
2 stops19h 50mLATAM Airlines
Deal found 1/12£831
Fri 30/114:55POA - LGW
2 stops22h 30mMultiple Airlines
Mon 9/209:55LGW - POA
2 stops25h 50mMultiple Airlines
Deal found 1/12£832
Fri 30/106:30POA - LCY
2 stops25h 25mITA Airways
Sun 8/216:45LCY - POA
2 stops43h 00mITA Airways
Deal found 2/12£843
Fri 30/117:55POA - LHR
1 stop17h 10mMultiple Airlines
Mon 9/218:30LHR - POA
2 stops33h 10mMultiple Airlines
Deal found 1/12£861
Fri 30/117:55POA - LHR
2 stops37h 35mGOL
Mon 9/206:30LHR - POA
2 stops21h 15mGOL
Deal found 1/12£866
Sat 31/104:40POA - LHR
1 stop30h 25mMultiple Airlines
Thu 26/208:15LHR - POA
2 stops19h 10mMultiple Airlines
Deal found 30/11£758
Sat 31/111:00POA - LCY
2 stops26h 10mMultiple Airlines
Sat 28/211:35LCY - POA
2 stops26h 25mMultiple Airlines
Deal found 2/12£806
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 3 December 2025.
Thu 22/105:30POA - LHR
2 stops30h 05mMultiple Airlines
Deal found 2/12£423
Fri 23/109:05POA - STN
2 stops31h 40mMultiple Airlines
Deal found 2/12£430
Thu 22/115:15POA - STN
2 stops18h 40mMultiple Airlines
Deal found 2/12£446
Mon 18/517:10POA - LHR
2 stops35h 25mAir Canada
Deal found 1/12£450
Fri 20/310:35POA - LHR
2 stops40h 55mAir Canada
Deal found 2/12£451
Mon 16/315:25POA - LHR
2 stops36h 05mAir Canada
Deal found 1/12£459
Fri 23/115:15POA - LHR
3 stops38h 55mMultiple Airlines
Deal found 2/12£461
Thu 22/120:10POA - LHR
1 stop14h 55mLATAM Airlines
Deal found 1/12£464
Thu 19/300:45POA - LHR
1 stop15h 10mTAP AIR PORTUGAL
Deal found 30/11£467
Mon 16/312:40POA - LHR
1 stop22h 25mLATAM Airlines
Deal found 1/12£471
Fri 23/115:15POA - LGW
2 stops22h 10mMultiple Airlines
Deal found 2/12£478
Mon 16/307:45POA - LGW
2 stops32h 15mLATAM Airlines
Deal found 2/12£480
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 3 December 2025.
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 3 December 2025.
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 - STN
POASTN
Porto Alegre Salgado Filho
Wed 11/3
15:15-18:10
2 stops23h 55m
London Stansted
Sat 28/3
20:10-23:55
2 stops30h 45m
£662
Porto AlegreLondon
POA - LHR
POALHR
Porto Alegre Salgado Filho
Fri 13/3
14:55-14:05
2 stops20h 10m
London Heathrow
Sun 19/4
21:20-16:55
2 stops23h 35m
£672
Porto AlegreLondon
POA - LHR
POALHR
Porto Alegre Salgado Filho
Wed 29/4
06:00-10:30
2 stops24h 30m
London Heathrow
Wed 13/5
08:40-23:55
2 stops19h 15m
£709
Porto AlegreLondon
POA - STN
POASTN
Porto Alegre Salgado Filho
Sun 1/2
15:15-00:50
2 stops30h 35m
London Stansted
Tue 10/2
19:45-20:00
2 stops27h 15m
£754
Porto AlegreLondon
POA - LHR
POALHR
Porto Alegre Salgado Filho
Thu 12/3
00:45-18:55
1 stop15h 10m
London Heathrow
Thu 16/4
06:00-20:25
1 stop18h 25m
£806
Porto AlegreLondon
POA - LCY
POALCY
Porto Alegre Salgado Filho
Fri 30/1
14:00-16:10
2 stops47h 10m
London City
Mon 9/2
16:45-00:45
2 stops35h 00m
£806
Porto AlegreLondon
POA - LCY
POALCY
Porto Alegre Salgado Filho
Sat 31/1
11:00-16:10
2 stops26h 10m
London City
Sat 28/2
11:35-11:00
2 stops26h 25m
£806
Porto AlegreLondon
POA - LHR
POALHR
Porto Alegre Salgado Filho
Thu 26/2
00:45-21:35
1 stop17h 50m
London Heathrow
Sat 18/4
06:00-22:40
1 stop20h 40m
£833
Porto AlegreLondon
POA - LCY
POALCY
Porto Alegre Salgado Filho
Thu 5/2
11:40-10:55
2 stops20h 15m
London City
Thu 19/2
16:45-10:55
2 stops21h 10m
£843
Porto AlegreLondon
POA - LHR
POALHR
Porto Alegre Salgado Filho
Wed 22/4
06:00-10:30
2 stops24h 30m
London Heathrow
Fri 1/5
06:15-23:40
2 stops21h 25m
£859
Flights are sorted by cheapest return flights first.
Deals found on 2/12
Showing 1-10 of 56 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 28 November 2025.
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 £244). Flying from Porto Alegre to London in September is currently the most expensive (average of £860). 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?
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 3 December 2025.
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.
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 £786.
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 3 December 2025.
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.
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 15h 10m. 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 £614. LATAM Airlines is currently priced 22% 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 £244). Flying from Porto Alegre to London in September is currently the most expensive (average of £860). 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.
Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 3 December 2025.
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 3 December 2025.
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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