£371 Find Cheap Flights from London to Porto Alegre – Compare and Save

Three cabin classes are available on flights from London to Porto Alegre:

• Economy class
• Premium Economy Class
• Business Class

A direct flight from London to Porto Alegre takes 00m, covering 6,421 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Return flights from London to Porto Alegre range from £937 to £1,447, with an average of £1,154 over the past 12 months. Anything below £937 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 6% above the £1,154 route average. Book 19 weeks before departure for the lowest fares.

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £762 to £5,644. That means the highest observed fare was about 7x higher than the lowest one.

One-way fares from London to Porto Alegre are currently lower than usual. Average one-way flight prices are about £491, which is 24% below the typical average for this route.

Porto Alegre Salgado Filho Airport (POA) hosts 5 major car hire companies, with daily rates starting from around £8 for economy cars. Top options include:

• FOCO
• MOVIDA
• Localiza
• Avis
• Unidas

Flights from London to Porto Alegre may depart from several airports in London area, including London City (LCY), London Gatwick (LGW), London Heathrow (LHR), London Luton (LTN), London Southend (SEN) and London Stansted (STN). Flights usually arrive at Porto Alegre Salgado Filho (POA).

Connecting flights from London to Porto Alegre most commonly pass through:

• Sao Paulo Guarulhos Intl (GRU) – 80% of one-stop connections
• Lisbon Humberto Delgado (LIS) – 20% of one-stop connections

Yes. Flexible dates can save you up to 29% on flights from London to Porto Alegre. Thursday is the cheapest departure day at £955 return on average, while Saturday is the most expensive at £1,332, a difference of £377.

KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

Flying via Sao Paulo Guarulhos Intl (GRU) gives the shortest average 1-stop total travel time of 15h 54m, compared to 17h 22m via Lisbon Humberto Delgado (LIS).

Porto Alegre is 3 hours behind London (Brasilia Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

SWISS Air has a fantastic alternative meal menu that caters for every religious, cultural or dietary type. If you're health conscious, you can book low salt, low fat, gluten intolerant or lactose intolerant. If you would like a Kosher, Jain, Hindu or Halal meal, or you prefer your food plant-based, SWISS Air can prepare all for you with 24 hours notice.

Your service animal will be more than welcome to join you in the cabin on a flight with LATAM Airlines. As long as the animal is certified, has the correct documentation and is kept on a leash, it can fly seated at your feet. Ensure you book in the animal when you make your own ticket booking.

It's daunting for young children to take international flights alone so book them on an airline that provides an Unaccompanied Minors service. Lufthansa allows minors between the ages of 5 and 11 years to fly alone if they are booked in with the service. The airline takes responsibility of the child from Departures in London, during the flight and ensure they are handed to the guardian in Arrivals or placed on the correct connecting flight.

If you are feeling unwell when you arrive in Brazil, you will be able to find a 24-hour medical clinic at the airport, It is based on the ground floor of passenger Terminal 1 and should be able to handle most minor issues. For larger issues, they can assist with getting you an ambulance to the nearest hospital.