Cheap flights from London to Porto Alegre from £386
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Porto Alegre departing on 23/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Not ready to book? to track prices.TAP AIR PORTUGAL flights from London to Porto Alegre
Our best TAP AIR PORTUGAL deals on London to Porto Alegre flight tickets
LATAM Airlines flights from London to Porto Alegre
Our best LATAM Airlines deals on London to Porto Alegre flight tickets
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Fly from
Fly to
Route
Depart
Return
LondonPorto Alegre
LGW London Gatwick - POA Porto Alegre Salgado Filho
LGWPOA
London Gatwick
Fri 6/11
21:35-19:40
2 stops25h 05m
Porto Alegre Salgado Filho
Tue 17/11
21:15-15:45
1 stop15h 30m
LondonPorto Alegre
LHR London Heathrow - POA Porto Alegre Salgado Filho
LHRPOA
London Heathrow
Fri 6/11
20:45-19:40
2 stops25h 55m
Porto Alegre Salgado Filho
Tue 17/11
21:15-17:30
1 stop17h 15m
LondonPorto Alegre
LHR London Heathrow - POA Porto Alegre Salgado Filho
LHRPOA
London Heathrow
Sun 22/11
06:50-00:20
2 stops20h 30m
Porto Alegre Salgado Filho
Sun 29/11
05:20-17:15
2 stops32h 55m
LondonPorto Alegre
LHR London Heathrow - POA Porto Alegre Salgado Filho
LHRPOA
London Heathrow
Fri 6/11
18:30-19:40
1 stop28h 10m
Porto Alegre Salgado Filho
Tue 17/11
21:15-21:35
1 stop21h 20m
LondonPorto Alegre
LHR London Heathrow - POA Porto Alegre Salgado Filho
LHRPOA
London Heathrow
Thu 5/11
06:00-19:20
1 stop16h 20m
Porto Alegre Salgado Filho
Tue 17/11
21:15-17:30
1 stop17h 15m
LondonPorto Alegre
LHR London Heathrow - POA Porto Alegre Salgado Filho
LHRPOA
London Heathrow
Sun 22/11
20:15-15:20
1 stop22h 05m
Porto Alegre Salgado Filho
Sun 29/11
10:50-14:05
1 stop24h 15m
LondonPorto Alegre
LHR London Heathrow - POA Porto Alegre Salgado Filho
LHRPOA
London Heathrow
Sun 22/11
20:15-19:15
1 stop26h 00m
Porto Alegre Salgado Filho
Sun 29/11
09:20-14:05
1 stop25h 45m
LondonPorto Alegre
LHR London Heathrow - POA Porto Alegre Salgado Filho
LHRPOA
London Heathrow
Sat 7/11
06:00-19:40
1 stop16h 40m
Porto Alegre Salgado Filho
Tue 17/11
21:15-22:40
1 stop22h 25m
LondonPorto Alegre
LHR London Heathrow - POA Porto Alegre Salgado Filho
LHRPOA
London Heathrow
Sat 12/12
20:15-08:30
1 stop15h 15m
Porto Alegre Salgado Filho
Wed 30/12
20:05-14:05
1 stop15h 00m
LondonPorto Alegre
LHR London Heathrow - POA Porto Alegre Salgado Filho
LHRPOA
London Heathrow
Tue 22/12
20:15-08:30
1 stop15h 15m
Porto Alegre Salgado Filho
Fri 15/1
20:05-14:05
1 stop15h 00m
See travel insights to Porto Alegre from
How to get the cheapest flight ticket from London to Porto Alegre
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between London and Porto Alegre?
Prices are currently low for flights on this route.
Typical prices usually range from £909 to £1,237.The lowest price recently found on this route was £711.
What is the cheapest month to fly to Porto Alegre?
In general, April is the cheapest month to fly from London to Porto Alegre. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £781. If you aren’t able to travel during the month of April, then book flights to Porto Alegre from London during May instead. Flights to Porto Alegre in May, while not as cheap as those in April, still average around £858.
Can stopping save me money on London to Porto Alegre flights?
You could potentially save up to 11% on your flight if you consider stops on a London to Porto Alegre flight.
What is the cheapest airline that flies from London to Porto Alegre Salgado Filho?
TAP AIR PORTUGAL and LATAM Airlines are the most popular carriers operating from London to Porto Alegre Salgado Filho
Which airlines fly to Porto Alegre?
LATAM Airlines, TAP AIR PORTUGAL and Virgin Atlantic are the top three most popular airlines that fly to Porto Alegre from London according to our data. LATAM Airlines is the first choice among our users, with 68% of people opting to fly with this airline when travelling to Porto Alegre. Keep in mind that there are 3 different airlines that fly to Porto Alegre on a routine basis, so you have a few additional options to choose from.
Which airport is the most popular for stopovers for flights between London and Porto Alegre?
Sao Paulo (GRU) was the most common stop: 85% of momondo users choosing one-stop flights on this route connected there.
Which stopover airport offers the lowest fares from London to Porto Alegre?
Flights via Sao Paulo (GRU) offer the lowest average return price of £1,170.
Which stopover airport has the shortest travel time from London to Porto Alegre?
Flights connecting via Sao Paulo (GRU) have the shortest average one-way travel time: 16h 09m.
Which stopover airport has the shortest connection time from London to Porto Alegre?
Lisbon (LIS) has the shortest average stopover time for this route: 2h 09m.
When to book flights from London to Porto Alegre
Cheap London to Porto Alegre (LON to POA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London to Porto Alegre
Frequently asked questions about flying from London to Porto Alegre
How far is London to Porto Alegre Salgado Filho by plane?
Porto Alegre Salgado Filho is 6424.7 mi away from London. In terms of flight time, this usually takes a little over 19h 45m.
When did momondo last update prices for flights from London to Porto Alegre Salgado Filho Airport?
Prices for flights from London to Porto Alegre Salgado Filho Airport are refreshed on a daily basis.
How many operators does momondo search for flights from London to Porto Alegre Salgado Filho Airport?
As of October 2026, there are 3 operators available to choose from for flights from London to Porto Alegre Salgado Filho Airport.
How old do you have to be to fly from London to Porto Alegre Salgado Filho Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Porto Alegre Salgado Filho Airport.
What documentation or ID do you need to fly to Porto Alegre Salgado Filho Airport?
The necessary travel and health documents for your Porto Alegre Salgado Filho Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from London to Porto Alegre?
momondo data reveals that the most frequently booked airline on the route from London to Porto Alegre is LATAM Airlines, representing 38% of all bookings. The subsequent popular airlines are Virgin Atlantic at 31% and TAP AIR PORTUGAL at 30%.
Best airlines flying from London to Porto Alegre
Compare and see reviews for airlines that fly from London to Porto Alegre with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £762 | Free Cancellation | Rating 7.4 1,975 reviews | |||
| PriceFrom £779 | Free Cancellation | Rating 7.2 2,383 reviews | |||
| PriceFrom £1,163 | Free Cancellation | Rating 7.5 694 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Porto Alegre?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Porto Alegre for you.
Can I find flights from London to Porto Alegre with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for London to Porto Alegre flights to just show those with flexible booking policies.
How can momondo help me find flights from London to Porto Alegre?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Porto Alegre from London.
I’m not ready to book a flight from London to Porto Alegre right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Porto Alegre from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.