What are the cheapest airlines flying from London to Porto Alegre round-trip?

KLM, at £764, was found to be the cheapest airline from London to Porto Alegre.Alternate airlines flying return to your destination include LATAM Airlines and ITA Airways. These flights start at 19% lower than the current average price 3 months from now.

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

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

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

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

What are the most popular airlines that fly from London to Porto Alegre?

When booking a flight from London to Porto Alegre, you may want to consider flying on Air France, LATAM Airlines or TAP AIR PORTUGAL as they are the most popular for this route.

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

Users have found that leaving on a Wednesday can be a cost-effective option. It’s possible to save up to 21% on your flight compared to booking on days when demand is much higher.

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

Find a great deal and save up to 68% by booking at least 57 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from London to Porto Alegre within the next two weeks, with the cheapest ticket starting at £845.

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

The best pricing can be found in the month of September. Prices to Porto Alegre from London average £952. You can even find prices in September for less than £952, as users have found deals to Porto Alegre from as low as £745. The month of December appears to be one of the more expensive times to travel to Porto Alegre from London. Flying in the targeted month can save you up to 43%.

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

If you book a flight to Porto Alegre from London, you will be flying to Salgado Filho, which is the city’s only airport. Porto Alegre Salgado Filho (POA) is located 4.0 mi from the center of Porto Alegre. There are 0 flights from London to Salgado Filho per day from 3 different airlines.

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

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

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

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

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

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

£397+ Flights from London to Porto Alegre

The best prices from London to Porto Alegre Salgado Filho are usually found in September or May, booked 56 days in advance, depart on a Thursday or Tuesday and return on a Friday

Cheap flight deals from London to Porto Alegre

Round-trip from	£596
One-way from	£397
Popular in	December
Cheapest in	September
Average price	£833

19/3-26/3
4 total stops
51h 45m total
London to Porto Alegre

Search Deals

4/3
3 total stops
59h 05m total
London to Porto Alegre

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (£109 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£30 potential savings vs. average return price).

Search Deals

Average for round-trip flights in February 2025

Search Deals

Find flight deals from London to Porto Alegre

Cheapest flights from London to Porto Alegre
Explore the most affordable flight options available from London to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 February 2025.

Wed 19/317:25LGW - POA

2 stops27h 25mMultiple Airlines

Wed 26/305:40POA - LGW

2 stops24h 20mMultiple Airlines

Deal found 19/2£596

Wed 19/318:30LHR - POA

2 stops26h 20mMultiple Airlines

Wed 26/314:50POA - LHR

2 stops23h 40mMultiple Airlines

Deal found 19/2£596

Sat 10/506:30LHR - POA

2 stops31h 55mKLM

Sat 24/513:35POA - LHR

2 stops24h 15mKLM

Deal found 19/2£764

Wed 19/320:15LHR - POA

1 stop16h 05mLATAM Airlines

Wed 26/317:30POA - LHR

1 stop17h 50mLATAM Airlines

Deal found 19/2£772

Wed 19/316:40LCY - POA

2 stops20h 10mITA Airways

Wed 26/311:00POA - LCY

2 stops21h 00mITA Airways

Deal found 19/2£850

Fri 12/918:30LHR - POA

2 stops18h 55mLufthansa

Sun 28/914:35POA - LHR

2 stops20h 05mLufthansa

Deal found 19/2£866

Mon 26/517:25LGW - POA

2 stops21h 00mAir Europa

Mon 9/605:35POA - LGW

2 stops23h 25mAir Europa

Deal found 19/2£867

Thu 2/1008:00LHR - POA

1 stop16h 25mTAP AIR PORTUGAL

Thu 16/1021:55POA - LHR

1 stop15h 50mTAP AIR PORTUGAL

Deal found 19/2£913

Thu 9/1020:50LHR - POA

2 stops30h 35mIberia

Thu 23/1010:10POA - LHR

2 stops24h 45mIberia

Deal found 19/2£976

Sat 12/410:35LGW - POA

1 stop16h 00mTAP AIR PORTUGAL

Sat 19/401:40POA - LGW

1 stop33h 30mTAP AIR PORTUGAL

Deal found 19/2£977

Mon 6/1016:40LHR - POA

2 stops28h 10mUnited Airlines

Mon 20/1017:35POA - LHR

2 stops32h 45mUnited Airlines

Deal found 19/2£1,014

Sat 22/219:35LHR - POA

2 stops31h 15mAir France

Mon 3/319:30POA - LHR

2 stops18h 05mAir France

Deal found 20/2£1,060

Best flights from London to Porto Alegre
Discover carefully curated flight deals from London to Porto Alegre that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 February 2025.

Wed 19/317:25LGW - POA

2 stops27h 25mMultiple Airlines

Wed 26/305:40POA - LGW

2 stops24h 20mMultiple Airlines

Deal found 19/2£596

Sat 10/506:30LHR - POA

2 stops31h 55mKLM

Sat 24/513:35POA - LHR

2 stops24h 15mKLM

Deal found 19/2£764

Wed 19/320:15LHR - POA

1 stop16h 05mLATAM Airlines

Wed 26/317:30POA - LHR

1 stop17h 50mLATAM Airlines

Deal found 19/2£772

Wed 19/316:40LCY - POA

2 stops20h 10mITA Airways

Wed 26/311:00POA - LCY

2 stops21h 00mITA Airways

Deal found 19/2£850

Mon 26/517:25LGW - POA

2 stops21h 00mAir Europa

Mon 9/605:35POA - LGW

2 stops23h 25mAir Europa

Deal found 19/2£867

Sat 12/406:00LHR - POA

1 stop20h 35mTAP AIR PORTUGAL

Sat 19/401:40POA - LHR

1 stop16h 20mTAP AIR PORTUGAL

Deal found 19/2£960

Wed 19/314:25LHR - POA

3 stops24h 15mSWISS

Wed 26/312:30POA - LHR

2 stops21h 30mSWISS

Deal found 19/2£1,077

Sat 12/414:10LHR - POA

2 stops31h 50mUnited Airlines

Sun 20/418:40POA - LHR

2 stops31h 40mUnited Airlines

Deal found 19/2£1,140

Wed 19/318:30LHR - POA

2 stops26h 20mMultiple Airlines

Wed 26/314:50POA - LHR

2 stops23h 40mMultiple Airlines

Deal found 19/2£596

Sat 12/410:35LGW - POA

1 stop16h 00mTAP AIR PORTUGAL

Sat 19/401:40POA - LGW

1 stop33h 30mTAP AIR PORTUGAL

Deal found 19/2£977

Last-minute flights from London to Porto Alegre
Discover last-minute flight deals from London to Porto Alegre. Data last updated 20 February 2025 and is based on user searches.

Sat 22/219:35LHR - POA

2 stops31h 15mAir France

Mon 3/319:30POA - LHR

2 stops18h 05mAir France

Deal found 20/2£1,060

Mon 24/217:10LHR - POA

2 stops21h 30mSWISS

Tue 4/312:30POA - LHR

2 stops21h 30mSWISS

Deal found 20/2£982

Tue 25/215:15LHR - POA

2 stops43h 35mMultiple Airlines

Wed 5/317:30POA - LHR

1 stop17h 50mMultiple Airlines

Deal found 20/2£949

Tue 25/208:55LHR - POA

2 stops29h 45mSWISS

Wed 5/312:30POA - LHR

2 stops27h 45mSWISS

Deal found 20/2£982

Tue 25/206:10LHR - POA

2 stops42h 55mIberia

Sun 2/312:30POA - LHR

2 stops23h 00mIberia

Deal found 20/2£1,209

Wed 26/220:15LHR - POA

1 stop25h 40mLATAM Airlines

Mon 3/312:30POA - LHR

1 stop22h 50mLATAM Airlines

Deal found 20/2£975

Wed 26/206:35LHR - POA

2 stops20h 30mLufthansa

Mon 3/317:30POA - LHR

2 stops24h 30mLufthansa

Deal found 20/2£1,045

Wed 19/317:25LGW - POA

2 stops27h 25mMultiple Airlines

Wed 26/305:40POA - LGW

2 stops24h 20mMultiple Airlines

Deal found 19/2£596

Wed 19/318:30LHR - POA

2 stops26h 20mMultiple Airlines

Wed 26/314:50POA - LHR

2 stops23h 40mMultiple Airlines

Deal found 19/2£596

Wed 19/320:15LHR - POA

1 stop16h 05mLATAM Airlines

Wed 26/317:30POA - LHR

1 stop17h 50mLATAM Airlines

Deal found 19/2£772

Wed 19/316:40LCY - POA

2 stops20h 10mITA Airways

Wed 26/311:00POA - LCY

2 stops21h 00mITA Airways

Deal found 19/2£850

One-way flights from London to Porto Alegre
Search for one-way flight options from London to Porto Alegre. Find affordable one-way fares based on user searches. Data last updated 20 February 2025.

Tue 4/308:35LGW - POA

3 stops59h 05mMultiple Airlines

Deal found 19/2£397

Mon 3/315:15LHR - POA

2 stops35h 40mMultiple Airlines

Deal found 19/2£428

Tue 4/320:15LHR - POA

1 stop18h 25mLATAM Airlines

Deal found 19/2£555

Tue 4/316:40LCY - POA

2 stops33h 40mMultiple Airlines

Deal found 19/2£589

Mon 3/318:45LGW - POA

2 stops19h 55mSWISS

Deal found 19/2£900

Find flights from London to Porto Alegre within your budget

Fly from

Fly to

Route

Depart

Return

Price

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Wed 19/3

17:25-17:50

2 stops27h 25m

Porto Alegre Salgado Filho

Wed 26/3

05:40-09:00

2 stops24h 20m

£596

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Wed 19/3

18:30-17:50

2 stops26h 20m

Porto Alegre Salgado Filho

Wed 26/3

14:50-17:30

2 stops23h 40m

£596

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Sat 10/5

06:30-10:25

2 stops31h 55m

Porto Alegre Salgado Filho

Sat 24/5

13:35-17:50

2 stops24h 15m

£764

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Wed 19/3

20:15-09:20

1 stop16h 05m

Porto Alegre Salgado Filho

Wed 26/3

17:30-14:20

1 stop17h 50m

£772

LondonPorto Alegre

LCY - POA

LCYPOA

London City

Wed 19/3

16:40-09:50

2 stops20h 10m

Porto Alegre Salgado Filho

Wed 26/3

11:00-11:00

2 stops21h 00m

£850

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Mon 26/5

17:25-10:25

2 stops21h 00m

Porto Alegre Salgado Filho

Mon 9/6

05:35-09:00

2 stops23h 25m

£867

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Sat 12/4

06:00-22:35

1 stop20h 35m

Porto Alegre Salgado Filho

Sat 19/4

01:40-22:00

1 stop16h 20m

£960

LondonPorto Alegre

LGW - POA

LGWPOA

London Gatwick

Sat 12/4

10:35-22:35

1 stop16h 00m

Porto Alegre Salgado Filho

Sat 19/4

01:40-15:10

1 stop33h 30m

£977

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Wed 19/3

14:25-11:40

3 stops24h 15m

Porto Alegre Salgado Filho

Wed 26/3

12:30-13:00

2 stops21h 30m

£1,077

LondonPorto Alegre

LHR - POA

LHRPOA

London Heathrow

Sat 12/4

14:10-17:55

2 stops31h 45m

Porto Alegre Salgado Filho

Sun 20/4

18:35-06:20

2 stops31h 45m

£1,139

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 15 results

Best time to book a flight from London to Porto Alegre

Have a flexible travel schedule? Discover the best time to fly to Porto Alegre from London 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.

Travel insights for flights from London to Porto Alegre

Get recent, data-driven insights about flights from London to Porto Alegre including ideal travel times, pricing trends, and more.

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

The best time to book flights from London to Porto Alegre is 56 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 time of day to fly from LON to POA?

It’s optimal to fly from London to Porto Alegre in the morning. By choosing this option you can save up to 7% on the cost of your flight, compared to a flight in the afternoon.

Rainfall in Porto Alegre by month

In terms of precipitation, rainfall in Porto Alegre ranges from 70.0 - 130.0 inches per month. September is typically the wettest month, when rainfall can reach 130.0 mm. November is typically the driest time to visit Porto Alegre when rainfall is around 70.0 mm.

Temperature in Porto Alegre by month

If weather is an important factor for your trip to Porto Alegre, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 13.0 C).

Reviews of airlines servicing Porto Alegre

Read through reviews of airlines operating flights from London to Porto Alegre, such as KLM, LATAM Airlines and SWISS. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,333 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM

7.8

Good

1,333 reviews

KLM

7.8

Good

1,333 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

LATAM Airlines

7.5

Good

1,795 reviews

KLM

7.8

Good

1,333 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

SWISS

7.5

Good

1,568 reviews

KLM

7.8

Good

1,333 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

United Airlines

7.4

Good

8,765 reviews

KLM

7.8

Good

1,333 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

TAP AIR PORTUGAL

7.1

Good

1,847 reviews

KLM

7.8

Good

1,333 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Related info for your journey

What airport do you fly into for flights to Porto Alegre from London?
If you book a flight to Porto Alegre from London, you will be flying to Salgado Filho, which is the city’s only airport. Porto Alegre Salgado Filho (POA) is located 4.0 mi from the center of Porto Alegre. There are 0 flights from London to Salgado Filho per day from 3 different airlines.
What are the cheapest airlines flying from London to Porto Alegre round-trip?
KLM, at £764, was found to be the cheapest airline from London to Porto Alegre.Alternate airlines flying return to your destination include LATAM Airlines and ITA Airways. These flights start at 19% lower than the current average price 3 months from now.
What are the most popular routes from London to Porto Alegre?
The most popular route from London to Porto Alegre is London Heathrow - Porto Alegre Salgado Filho. You may also consider London City - Porto Alegre Salgado Filho or London Gatwick - Porto Alegre Salgado Filho.
Can I find deals for flights from London to Porto Alegre that include hotel bookings?
Yes. In addition to deals on London to Porto Alegre flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Porto Alegre?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Porto Alegre.
Can I find deals for business class flights from London to Porto Alegre?
Yes. Cheapflights offers flight deals from London to Porto Alegre by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for London to Porto Alegre

Heathrow to Porto Alegre flights

Gatwick to Porto Alegre flights

Manchester to Porto Alegre flights

Birmingham to Porto Alegre flights

Edinburgh to Porto Alegre flights

Top 3 airlines flying from London to Porto Alegre

Airline	Cheapest	Average	Flexibility	On-time
TAP AIR PORTUGAL	Cheapest£584	Average£903	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Air France	Cheapest£687	Average£811	FlexibilityNo cancel fee	On-time77%	Search Air France flights
LATAM Airlines	Cheapest£732	Average£973	FlexibilityNo cancel fee	On-time81%	Search LATAM Airlines flights

Fly with Cheapflights

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

Cheapflights makes it easy to find London to Porto Alegre flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from London to Porto Alegre for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes, we can. To see specific flights from London to Porto Alegre with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights offers price alerts on London to Porto Alegre flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the 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 London to Porto Alegre from £397

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.

The best prices from London to Porto Alegre Salgado Filho are usually found in September or May, booked 56 days in advance, depart on a Thursday or Tuesday and return on a Friday

Cheap flight deals from London to Porto Alegre

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from London to Porto Alegre

Cheapest flights from London to Porto AlegreExplore the most affordable flight options available from London to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 February 2025.

Explore the most affordable flight options available from London to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 February 2025.

Find flights from London to Porto Alegre within your budget

Best time to book a flight from London to Porto Alegre

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

Travel insights for flights from London to Porto Alegre

Get recent, data-driven insights about flights from London to Porto Alegre including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from London to Porto Alegre. Price data was last updated on 14 February 2025.

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

Find hourly flight availability from London to Porto Alegre. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 February 2025.

Rainfall in Porto Alegre by month

Plan your trip to Porto Alegre by taking into account the average rainfall totals by month.

Temperature in Porto Alegre by month

Plan your trip to Porto Alegre by taking into account the average temperature totals by month.

Reviews of airlines servicing Porto Alegre

Read through reviews of airlines operating flights from London to Porto Alegre, such as KLM, LATAM Airlines and SWISS. Users have also rated airlines 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 London to Porto Alegre. 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 into for flights to Porto Alegre from London?

What are the cheapest airlines flying from London to Porto Alegre round-trip?

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

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

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

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

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 London to Porto Alegre

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

Top 3 airlines flying from London to Porto Alegre

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 London to Porto Alegre?

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

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

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from London to Porto Alegre
Explore the most affordable flight options available from London to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 February 2025.