A cityscape with a prominent white church, green parks, and a mix of modern and historic buildings.

£465 Cheap Flights from London (LON) to Buenos Aires (BUE)

View £465 flight on Thu, 13 May 2027

Popular airlines from London to Buenos Aires

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    • Cheap Flights from London to Buenos Aires (LON-BUE)

    Prices were available within the past 7 days and start at £465 for one-way flights and £791 for return, for the period specified. Prices and availability are subject to change. Additional terms apply.

    All deals

    One way

    Return

    Select ITA Airways flight, departing Wed, 10 Mar from London to Buenos Aires, returning Wed, 23 Jun, priced at £791 Found 6 hours ago

    Wed, 10 Mar - Wed, 23 Jun · LHR · EZE · From £791 · Return

    Select British Airways flight, departing Fri, 10 Sept from London to Buenos Aires, returning Sun, 19 Sept, priced at £847 Found 5 hours ago

    Fri, 10 Sept - Sun, 19 Sept · LHR · EZE · From £847 · Return

    Select British Airways flight, departing Wed, 3 Feb from London to Buenos Aires, returning Thu, 18 Feb, priced at £878 Found 3 hours ago

    Wed, 3 Feb - Thu, 18 Feb · LGW · EZE · From £878 · Return

    Select TAP Portugal flight, departing Sat, 6 Mar from London to Buenos Aires, returning Sun, 14 Mar, priced at £886 Found 2 days ago

    Sat, 6 Mar - Sun, 14 Mar · LGW · AEP · From £886 · Return

    Select British Airways flight, departing Tue, 2 Feb from London to Buenos Aires, returning Tue, 23 Feb, priced at £893 Found 6 hours ago

    Tue, 2 Feb - Tue, 23 Feb · LCY · EZE · From £893 · Return

    Select TAP Portugal flight, departing Mon, 3 May from London to Buenos Aires, returning Tue, 11 May, priced at £893 Found 1 day ago

    Mon, 3 May - Tue, 11 May · LHR · AEP · From £893 · Return

    Select British Airways flight, departing Thu, 11 Mar from London to Buenos Aires, returning Mon, 15 Mar, priced at £924 Found 8 hours ago

    Thu, 11 Mar - Mon, 15 Mar · LCY · AEP · From £924 · Return

    Select Turkish Airlines flight, departing Mon, 8 Mar from London to Buenos Aires, returning Mon, 15 Mar, priced at £1,019 Found 6 hours ago

    Mon, 8 Mar - Mon, 15 Mar · STN · EZE · From £1,019 · Return

    Select Turkish Airlines flight, departing Sun, 21 Feb from London to Buenos Aires, returning Fri, 26 Feb, priced at £1,213 Found 6 hours ago

    Sun, 21 Feb - Fri, 26 Feb · STN · AEP · From £1,213 · Return

    Select EL AL Israel Airlines flight, departing Wed, 20 Jan from London to Buenos Aires, returning Tue, 26 Jan, priced at £5,437 Found 6 days ago

    Wed, 20 Jan - Tue, 26 Jan · LTN · EZE · From £5,437 · Return

    Alternative airports near Buenos Aires

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

    Select flight to Ministro Pistarini Intl. EZE. Average driving time to city centre is 25 minutes. Flights from £929

    25 min

    Select flight to Aeroparque Jorge Newbery AEP. Cheapest and Closest option available. Average driving time to city centre is 11 minutes. Flights from £922

    11 min

    Find the cheapest month to fly from London (LON) to Buenos Aires (BUE)

    November is typically the cheapest month to fly

    From £829 - £1,445 per traveller.

    View flights in November

    Insights are based on prices from searches for economy trips of 10 days or less on our sites in the last 12 months. Insights are informative only and current prices may differ.

    Book with confidence

    Compare flights from London to Buenos Aires easily and book with confidence

    For travelling on business or for pleasure, Expedia makes it easy to book your flights from London to Buenos Aires. Operating between them flights per day, 9 airlines cover the route. And fly direct, getting you to BUE-All Airports in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from LON-All Airports to BUE-All Airports.

    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 LON-All Airports (LON) to BUE-All Airports (BUE)

    The easiest way to view the best deals on flights from London to Buenos Aires 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 LON-All Airports to BUE-All Airports start at just £791 and range up to £5,437.

    To find an even better deal, try

    • being flexible on your dates – midweek flights can be cheaper
    • looking for other airports near London and Buenos Aires
    • booking your flight during March, 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 Buenos Aires flight with Expedia!

    We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from LON-All Airports to BUE-All Airports 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.

    Travel information

    Origin airportHeathrow Airport
    Destination airportBuenos Aires
    Distance6,900 miles away
    Airlines servingLATAM Airlines Group, TAP Portugal, British Airways, Avianca, Swiss International Air Lines, KLM, Air France, Lufthansa, Air Canada
    Popular airlineLATAM Airlines Group
    Return price£791

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