LON - POA

£435 Find Cheap Flights from London to Porto Alegre – Compare and Save

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Everything you should know

Cheapest return flight
£848
Typical prices: £873-£1,397
KLM, Air France
Fri 9/11Fri 23/11
LHR - POA • 2 stops
Cheapest one-way flight
£435
Typical prices: £506-£759
Multiple Airlines
Sat 22/9
LGW - POA • 3 stops
Direct flights
There are currently no direct flights between London and Porto Alegre. You'll need to take a connecting flight to reach the destination.
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Top routes
Cheapest • 32% average savings
Most popular
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When to book
in advance
Our data shows that travellers who book at least 19 weeks in advance save around 32% compared to booking last minute.
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When to travel
Cheapest • 30% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg £938 (return)
Shortest trip • 15h 56m (one-way)
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We hope you enjoy your trip to Porto Alegre!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from London to Porto Alegre (LON-POA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from London to Porto Alegre

Mon, 9 Nov - Mon, 23 Nov
Multiple Airlines Logo
06:30 - 23:50LHR  London Heathrow-POA Porto Alegre Salgado Filho
20h 20m2 stops Amsterdam Schiphol Sao Paulo Guarulhos Intl
Multiple Airlines Logo
14:15 - 13:45POA  Porto Alegre Salgado Filho-LHR London Heathrow
20h 30m2 stops Sao Paulo Guarulhos Intl Paris Charles de Gaulle
£848Multiple Airlines
Mon, 9 Nov - Mon, 23 Nov
Multiple Airlines Logo
06:30 - 23:50LHR  London Heathrow-POA Porto Alegre Salgado Filho
20h 20m2 stops Amsterdam Schiphol Sao Paulo Guarulhos Intl
Multiple Airlines Logo
14:15 - 13:45POA  Porto Alegre Salgado Filho-LHR London Heathrow
20h 30m2 stops Sao Paulo Guarulhos Intl Paris Charles de Gaulle
£849Multiple Airlines
Mon, 21 Sep - Wed, 7 Oct
Multiple Airlines Logo
06:00 - 23:15LGW  London Gatwick-POA Porto Alegre Salgado Filho
21h 15m3 stops Madrid Barajas Recife Guararapes Intl Sao Paulo Congonhas
Multiple Airlines Logo
07:05 - 11:00POA  Porto Alegre Salgado Filho-LGW London Gatwick
23h 55m3 stops Sao Paulo Congonhas Salvador Luis E. Magalhaes Paris Charles de Gaulle
£850Multiple Airlines
Mon, 9 Nov - Mon, 23 Nov
Multiple Airlines Logo
06:30 - 23:50LHR  London Heathrow-POA Porto Alegre Salgado Filho
20h 20m2 stops Amsterdam Schiphol Sao Paulo Guarulhos Intl
Multiple Airlines Logo
14:15 - 10:30POA  Porto Alegre Salgado Filho-LHR London Heathrow
41h 15m2 stops Sao Paulo Guarulhos Intl Paris Charles de Gaulle
£867Multiple Airlines
Mon, 9 Nov - Mon, 23 Nov
LATAM Airlines Logo
20:15 - 15:20LHR  London Heathrow-POA Porto Alegre Salgado Filho
22h 05m1 stop Sao Paulo Guarulhos Intl
LATAM Airlines Logo
16:05 - 14:05POA  Porto Alegre Salgado Filho-LHR London Heathrow
19h 00m1 stop Sao Paulo Guarulhos Intl
£916LATAM Airlines
Sat, 14 Nov - Sat, 5 Dec
TAP AIR PORTUGAL Logo
06:00 - 19:40LHR  London Heathrow-POA Porto Alegre Salgado Filho
16h 40m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
21:10 - 22:40POA  Porto Alegre Salgado Filho-LHR London Heathrow
22h 30m1 stop Lisbon Humberto Delgado
£919TAP AIR PORTUGAL
Sat, 14 Nov - Sat, 5 Dec
TAP AIR PORTUGAL Logo
06:00 - 19:40LHR  London Heathrow-POA Porto Alegre Salgado Filho
16h 40m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
21:10 - 22:40POA  Porto Alegre Salgado Filho-LHR London Heathrow
22h 30m1 stop Lisbon Humberto Delgado
£921TAP AIR PORTUGAL
Mon, 21 Sep - Thu, 8 Oct
LATAM Airlines Logo
21:20 - 09:20LHR  London Heathrow-POA Porto Alegre Salgado Filho
16h 00m1 stop Sao Paulo Guarulhos Intl
LATAM Airlines Logo
16:15 - 15:05POA  Porto Alegre Salgado Filho-LHR London Heathrow
18h 50m1 stop Sao Paulo Congonhas
£922LATAM Airlines
Fri, 19 Feb - Tue, 27 Apr
TAP AIR PORTUGAL Logo
16:40 - 19:40LGW  London Gatwick-POA Porto Alegre Salgado Filho
30h 00m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
00:15 - 09:45POA  Porto Alegre Salgado Filho-LGW London Gatwick
29h 30m1 stop Lisbon Humberto Delgado
£924TAP AIR PORTUGAL
Mon, 9 Nov - Mon, 23 Nov
LATAM Airlines Logo
20:15 - 15:20LHR  London Heathrow-POA Porto Alegre Salgado Filho
22h 05m1 stop Sao Paulo Guarulhos Intl
LATAM Airlines Logo
11:30 - 14:05POA  Porto Alegre Salgado Filho-LHR London Heathrow
23h 35m2 stops Florianopolis Hercilio Luz Sao Paulo Guarulhos Intl
£925LATAM Airlines
Booking Insights

Price, demand, and travel trends for London to Porto Alegre flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from London to Porto Alegre with more confidence.

What is the cheapest London to Porto Alegre flight route?

London Stansted Airport (STN) to Porto Alegre (POA) is the cheapest London to Porto Alegre route, averaging £692 return. Other London to Porto Alegre routes average £1,131, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from London to Porto Alegre?

Thursday is the cheapest day of the week to fly from London to Porto Alegre and is 21% cheaper than the average day. Saturday is the most expensive day with flight prices 15% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • April is the cheapest month to fly from London to Porto Alegre at £763 return.
  • July (£1,396) and December (£1,319) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 82% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from London to Porto Alegre the cheapest?

Flights from London to Porto Alegre are cheapest 19 weeks before departure. Booking in this window typically costs about 32% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for London to Porto Alegre flights

Low season

May

Cheapest flight

£435
Best time to beat the crowds (25% less expensive on average)
Most popular time to fly (21% more expensive on average)
Flights from London Gatwick Airport to Porto Alegre

When to book flights from London to Porto Alegre

Are your dates flexible? Find out the best times to travel from London to Porto Alegre based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your London to Porto Alegre flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • What special meals are available on SWISS Air?

    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.

  • Does LATAM Airlines allow service animals in the cabin?

    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.

  • Can children fly alone from London to Salgado Filho Porto Alegre International Airport (POA) on Lufthansa?

    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.

  • Will I be able to get medical assistance when I arrive at Salgado Filho Porto Alegre International Airport (POA)?

    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.

  • Which airports can I use when flying from London to Porto Alegre?

    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).

  • Which cabin classes can I book on flights from London to Porto Alegre?

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

    • Economy class
    • Business Class

  • Which airports do connecting flights from London to Porto Alegre pass through?

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

    • Sao Paulo Guarulhos Intl (GRU) – 72% of one-stop connections
    • Lisbon Humberto Delgado (LIS) – 28% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from London to Porto Alegre?

    Yes. Being flexible with your travel dates can save you up to 31% on the London to Porto Alegre route. Thursday is the cheapest departure day at £872 return on average, while Saturday is the most expensive at £1,255, a difference of £384. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How expensive are last-minute London to Porto Alegre flights?

    Last-minute fares on this route (booked within 2 weeks of departure) run 8% above the route average of £1,091. Book 19 weeks before departure for the lowest fares.

  • How long is a flight from London to Porto Alegre?

    A direct flight from London to Porto Alegre takes 0h 00m, covering 6,421 miles.

  • Do I need a passport to fly from London to Porto Alegre?

    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.

  • Have flight prices from London to Porto Alegre changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £848 to £2,532. That means the highest observed fare was about 3x higher than the lowest one.

  • How are flight prices from London to Porto Alegre looking right now?

    One-way fares from London to Porto Alegre are currently in line with typical prices for this route. Average one-way fares are about £639.

  • How much time can I save by choosing a different stopover airport from London to Porto Alegre?

    Flying via Sao Paulo Guarulhos Intl (GRU) gives the shortest average 1-stop total travel time of 15h 56m, compared to 18h 03m via Lisbon Humberto Delgado (LIS).

  • What is the time difference between London and Porto Alegre?

    Porto Alegre is 4 hours behind London (Brasilia Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which car hire options are available at Porto Alegre Salgado Filho Airport (POA)?

    Porto Alegre Salgado Filho Airport (POA) hosts 5 major car hire companies, with daily rates starting from around £2 for economy cars. Top options include:
    · FOCO
    · Localiza
    · Avis
    · MOVIDA
    · Budget

  • How much should I expect to pay for a London to Porto Alegre flight?

    Return flights from London to Porto Alegre range from £873 to £1,397, with an average of £1,091 over the past 12 months. Anything below £873 counts as a good deal.

Your guide to booking London to Porto Alegre flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure instead of Saturday. On this route, Thursday flights average £872 – about £384 less than Saturday (31% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 19 weeks before you fly. On this route, that window historically saves about 32% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your London to Porto Alegre trip for April. Fares historically average £763 return in that month – typically £633 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Porto Alegre Salgado Filho Airport.
    - ibis Porto Alegre Aeroporto
    - Novotel Porto Alegre Airport
    - Hotel Express Aeroporto
  • When flying from London to Salgado Filho Porto Alegre International Airport (POA), you can leave from London Heathrow Airport (LHR). To get there in the shortest time, opt for the tube on the Piccadilly Line. You will find it stops right at the airport in terminals 2, 3, 4 and 5.
  • When boarding the plane from London Gatwick Airport (LGW), you will find a convenient security lane for passengers needing special assistance, and a family lane to help departing families get onto the plane and be settled quicker. Simply look for the signs.
  • If you need a little peace before take-off, book into one of the London Heathrow Airport (LHR) lounges. Either Club Aspire or the Premium Plaza lounges have relaxing environments, great food and drink choices, shower facilities, resting areas, unlimited Wi-Fi and more.
  • Special assistance can be arranged with British Airways. Pre-book online 48 hours ahead of departure and be assisted to and from the aircraft, finding your seat, the familiarisation of your surroundings, assistance to the toilets and choosing meals. The crew members are available to ensure you're looked after.
  • To quickly reach central Porto Alegre when you arrive, take one of the local buses that run between the airport and the city. These are numbers B09 and B091. They are highly cost-effective. There are also taxis available all day and night.

More options for your flight from London to Porto Alegre

Complete your trip to Porto Alegre with a hotel stay or car hire