£523 Cheap Flights from London (LHR) to Porto Alegre (POA)

View £523 flight on Wed, 17 Mar 2027Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Salgado Filho Intl. Airport (POA)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from London (LHR) to Porto Alegre (POA)

Prices were available within the past 7 days and start at £523 for one-way flights and £773 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air France
Tue, 12 May - Tue, 7 Jul
LHR
London
POA
Porto Alegre
£773 Return, found 2 days ago
£773
Return
found 2 days ago
Select Air France flight, departing Tue, 12 May from London to Porto Alegre, returning Tue, 7 Jul, priced at £773 found 2 days ago
Swiss International Air Lines
Sun, 6 Sept - Tue, 22 Sept
LHR
London
POA
Porto Alegre
£811 Return, found 4 days ago
£811
Return
found 4 days ago
Select Swiss International Air Lines flight, departing Sun, 6 Sept from London to Porto Alegre, returning Tue, 22 Sept, priced at £811 found 4 days ago
Swiss International Air Lines
Mon, 31 Aug - Mon, 28 Sept
LHR
London
POA
Porto Alegre
£812 Return, found 3 days ago
£812
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Mon, 31 Aug from London to Porto Alegre, returning Mon, 28 Sept, priced at £812 found 3 days ago
Swiss International Air Lines
Sun, 30 Aug - Wed, 30 Sept
LHR
London
POA
Porto Alegre
£813 Return, found 1 day ago
£813
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Sun, 30 Aug from London to Porto Alegre, returning Wed, 30 Sept, priced at £813 found 1 day ago
Air France
Sat, 6 Mar - Mon, 22 Mar
LHR
London
POA
Porto Alegre
£819 Return, found 3 days ago
£819
Return
found 3 days ago
Select Air France flight, departing Sat, 6 Mar from London to Porto Alegre, returning Mon, 22 Mar, priced at £819 found 3 days ago
Air France
Sat, 6 Mar - Mon, 22 Mar
LHR
London
POA
Porto Alegre
£819 Return, found 3 days ago
£819
Return
found 3 days ago
Select Air France flight, departing Sat, 6 Mar from London to Porto Alegre, returning Mon, 22 Mar, priced at £819 found 3 days ago
Swiss International Air Lines
Mon, 31 Aug - Wed, 30 Sept
LHR
London
POA
Porto Alegre
£820 Return, found 1 day ago
£820
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Mon, 31 Aug from London to Porto Alegre, returning Wed, 30 Sept, priced at £820 found 1 day ago
Lufthansa
Sat, 27 Feb - Wed, 10 Mar
LHR
London
POA
Porto Alegre
£840 Return, found 4 days ago
£840
Return
found 4 days ago
Select Lufthansa flight, departing Sat, 27 Feb from London to Porto Alegre, returning Wed, 10 Mar, priced at £840 found 4 days ago
TAP Portugal
Tue, 12 May - Tue, 7 Jul
LHR
London
POA
Porto Alegre
£840 Return, found 2 days ago
£840
Return
found 2 days ago
Select TAP Portugal flight, departing Tue, 12 May from London to Porto Alegre, returning Tue, 7 Jul, priced at £840 found 2 days ago
KLM
Thu, 11 Mar - Thu, 25 Mar
LHR
London
POA
Porto Alegre
£889 Return, found 2 days ago
£889
Return
found 2 days ago
Select KLM flight, departing Thu, 11 Mar from London to Porto Alegre, returning Thu, 25 Mar, priced at £889 found 2 days ago

Alternative airports near Porto Alegre

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Salgado Filho Intl. POA. Cheapest and Closest option available. Average driving time to city centre is 23 minutes. Flights from £1,377
POA
Salgado Filho Intl.
CheapestClosest
Average driving time to city centre23 min
Flights from £1,377

Frequently asked questions

How much does a flight from London (LHR-Heathrow) to Porto Alegre (POA-Salgado Filho Intl.) cost?
One-way flights typically cost between £823 and £4,037 and return flights often range between £1,103 and £4,212. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
How do I find cheap flights from London (LHR-Heathrow) to Porto Alegre (POA-Salgado Filho Intl.)?
To find a cheap flight from London (LHR-Heathrow) to Porto Alegre (POA-Salgado Filho Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from London (LHR-Heathrow) to Porto Alegre (POA-Salgado Filho Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from London (LHR-Heathrow) to Porto Alegre (POA-Salgado Filho Intl.)?
There are approximately 58 connecting flights per day from London (LHR-Heathrow) to Porto Alegre (POA-Salgado Filho Intl.). Some common connection points include Humberto Delgado (LIS), Istanbul Airport (IST), and Guarulhos - Governor Andre Franco Montoro Intl. (GRU).
What is the earliest flight from London (LHR-Heathrow) to Porto Alegre (POA-Salgado Filho Intl.)?
The earliest flight from London Heathrow (LHR) to Porto Alegre (POA) typically departs at approximately 6:00 AM local time. This service is operated by British Airways and LATAM Airlines. This is a seasonal service active in December. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from London (LHR-Heathrow) to Porto Alegre (POA-Salgado Filho Intl.)?
You'll typically find the most flights from London Heathrow (LHR) to Porto Alegre (POA-Salgado Filho Intl.) on a Monday, with around 45 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include British Airways, Iberia, and Lufthansa.
What are the most popular departure times for flights from London (LHR-Heathrow) to Porto Alegre (POA-Salgado Filho Intl.)?
The most popular departure times for flights from London Heathrow (LHR) to Porto Alegre (POA) are in the evening, from 6pm to 9pm. About 51% of passengers prefer this time. Many major carriers, including LATAM Airlines and TAP Air Portugal, offer flights during this window. This timing works well because you can finish your day before heading to the airport, and you'll likely arrive at your destination at a convenient time.
How long does it take to fly from London (LHR-Heathrow) to Porto Alegre (POA-Salgado Filho Intl.)?
Flying from LHR to POA with a connection usually takes about 21 hours 20 minutes, traveling roughly 6,415 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from London (LHR-Heathrow) to Porto Alegre (POA-Salgado Filho Intl.)?
Select the "Business class" and "First class" filters when looking for LHR to POA flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a London (LHR-Heathrow) to Porto Alegre (POA-Salgado Filho Intl.) flight with Expedia?
It's easy to earn miles on a London (LHR-Heathrow) to Porto Alegre (POA-Salgado Filho Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Porto Alegre from Heathrow (LHR)?
From Heathrow (LHR), you can fly into Salgado Filho Intl. (POA) to reach Porto Alegre. Some flights may connect through major hubs like Humberto Delgado (LIS), Frankfurt Intl. (FRA), Roissy-Charles de Gaulle (CDG) before reaching Porto Alegre. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from London (LHR-Heathrow) to Porto Alegre (POA-Salgado Filho Intl.) at the last minute?
Typically, booking a last minute flight from London (LHR-Heathrow) to Porto Alegre (POA-Salgado Filho Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a London (LHR-Heathrow) to Porto Alegre (POA-Salgado Filho Intl.) flight and hotel package?
Securing a London (LHR-Heathrow) to Porto Alegre (POA-Salgado Filho Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from London (LHR-Heathrow) to Porto Alegre (POA-Salgado Filho Intl.)?
If you booked your London (LHR-Heathrow) to Porto Alegre (POA-Salgado Filho Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Heathrow
Destination airport
Salgado Filho Intl.
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Emirates, Ethiopian Airlines, ITA Airways, Iberia, KLM, LATAM Airlines Group, Lufthansa, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Return price
£772
Distance
10262 km

Book with confidence

Compare flights from London to Porto Alegre easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from London to Porto Alegre. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Salgado Filho Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Heathrow to Salgado Filho Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Heathrow (LHR) to Salgado Filho Intl. (POA)

The easiest way to view the best deals on flights from London to Porto Alegre today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Heathrow to Salgado Filho Intl. start at just £773 and range up to £889.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near London and Porto Alegre
  • booking your flight during May, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your London to Porto Alegre flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Heathrow to Salgado Filho Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from London to Porto Alegre easily and book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.