Cheap flights from London to Porto Alegre from £378
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 14/11. 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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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 cheapest month to fly to Porto Alegre?
In general, October 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 £610. If you aren’t able to travel during the month of October, then book flights to Porto Alegre from London during March instead. Flights to Porto Alegre in March, while not as cheap as those in October, still average around £753.
What is the cheapest day to depart on your flight to Porto Alegre?
On average, the least expensive day to fly to Porto Alegre from London is on a Thursday. momondo users have found tickets for Thursday departures for as low as £811. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from London because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £982.
What is the cheapest time of day to depart on your flight to Porto Alegre?
Our most recent data shows that the best time of day to fly to Porto Alegre is in the morning. Flights from London to Porto Alegre during this time can be as low as £854. Flights to Porto Alegre are more costly in the evening, with an average ticket price of £918. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to Porto Alegre?
You are more likely to see cheaper flights to Porto Alegre from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto Alegre for around £995 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto Alegre from London for as low as £782 on momondo.
Can stopping save me money on London to Porto Alegre flights?
You could potentially save up to 22% on your flight if you consider stops on a London to Porto Alegre flight.
How have London to Porto Alegre flight prices changed over time?
What is the cheapest airline that flies from London to Porto Alegre Salgado Filho?
SWISS, TAP AIR PORTUGAL, and Lufthansa 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 Air France 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 76% 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.
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
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 15h 25m.
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 July 2025, 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 62% of all bookings. The subsequent popular airlines are TAP AIR PORTUGAL at 21%, Air Europa at 7%, and KLM at 6%.
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 £621 | Free Cancellation | Rating 7.1 1,908 reviews | |||
| PriceFrom £634 | Free Cancellation | Rating 7.5 1,465 reviews | |||
| PriceFrom £693 | Free Cancellation | Rating 7.5 1,805 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.