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Find Cheap Flights from London to Buenos Aires – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Direct flights
Not available
There are currently no direct flights between London and Buenos Aires. You'll need to take a connecting flight to reach the destination.
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Top routes
LTN - EZE
Cheapest • 35% average savings
LHR - EZE
Most popular
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When to book
9 weeks
in advance
Our data shows that travellers who book at least 9 weeks in advance save around 13% compared to booking last minute.
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When to travel
September
Cheapest • 13% price drop
December
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Bogotá El Dorado (BOG)
Cheapest • Avg €938 (return)
Rio de Janeiro–Galeão Intl (GIG)
Shortest trip • 16h 21m (one-way)
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Cheap Flights from London to Buenos Aires (LON-BUE)

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

Recent return flight deals from London to Buenos Aires

Multiple Airlines Logo
LON  London All airports-BUE Buenos Aires All airports
17896 kmmulti-stop
Multiple Airlines Logo
BUE  Buenos Aires All airports-LON London All airports
17896 kmmulti-stop
Multiple Airlines
Booking Insights

Price, demand, and travel trends for London to Buenos Aires flights

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

What is the cheapest London to Buenos Aires flight route?

London Luton Airport (LTN) to Buenos Aires Ministro Pistarini Airport (EZE) is the cheapest London to Buenos Aires route, averaging €721 return. Other London to Buenos Aires routes average €1,155, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from London to Buenos Aires?

Thursday is the cheapest day of the week to fly from London to Buenos Aires and is 5% cheaper than the average day. Friday is the most expensive day with flight prices 6% 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 Buenos Aires?

•September is the cheapest month to fly from London to Buenos Aires at €1,027 return.
•December (€1,558) and July (€1,304) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 51% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from London to Buenos Aires the cheapest?

Flights from London to Buenos Aires are cheapest 9 weeks before departure. Booking in this window typically costs about 13% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for London to Buenos Aires flights

Low season

June
Best time to beat the crowds (3% less expensive on average)
Most popular time to fly (33% more expensive on average)

When to book flights from London to Buenos Aires

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

Your London to Buenos Aires flight questions, answered

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

  • How long is a flight from London to Buenos Aires?

    A direct flight from London to Buenos Aires takes 0h 00m, covering 17,896 km.

  • Do I need a passport to fly from London to Buenos Aires?

    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.

  • How much should I expect to pay for a London to Buenos Aires flight?

    Return flights from London to Buenos Aires range from €1,016 to €1,414, with an average of €1,174 over the past 12 months. Anything below €1,016 counts as a good deal.

  • How expensive are last-minute London to Buenos Aires flights?

    Last-minute fares on this route (booked within 2 weeks of departure) run 7% above the route average of €1,174. Book 9 weeks before departure for the lowest fares.

  • How much can I save by having a stopover when flying from London to Buenos Aires?

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average €938 return via Bogotá El Dorado (BOG), compared with €1,343 for direct.

  • What car hire options are available in Buenos Aires?

    Since Buenos Aires is served by multiple airports, car hire options and rates can vary depending on which one you fly into.
    Near Buenos Aires Ministro Pistarini Airport (EZE) – daily rates from around €14:

    • Hertz
    • Rentacar
    • Street Rent a Car
    • Alamo
    • Localiza

    Near Buenos Aires Jorge Newbery Airport (AEP) – daily rates from around €22:

    • Alamo
    • Hertz
    • Localiza
    • Rentacar
    • Europcar

  • Which airports can I use when flying from London to Buenos Aires?

    Flights from London to Buenos Aires 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), with arrivals available at airports in Buenos Aires such as Buenos Aires Jorge Newbery (AEP) and Buenos Aires Ministro Pistarini (EZE).

  • Which airports do connecting flights from London to Buenos Aires pass through?

    One-stop flights from London to Buenos Aires most commonly connect through:

    • Madrid Barajas (MAD) – 32% of one-stop connections
    • Frankfurt am Main (FRA) – 18% of one-stop connections
    • Bogotá El Dorado (BOG) – 15% of one-stop connections
    • Sao Paulo Guarulhos Intl (GRU) – 13% of one-stop connections

    Madrid Barajas (MAD) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from London to Buenos Aires?

    Yes. Being flexible with your travel dates can save you up to 10% on the London to Buenos Aires route. Thursday is the cheapest departure day at €1,126 return on average, while Friday is the most expensive at €1,249, a difference of €123. 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 much time can I save by choosing a different stopover airport from London to Buenos Aires?

    Flying via Rio de Janeiro–Galeão Intl (GIG) gives the shortest average 1-stop total travel time of 16h 21m, compared to 16h 39m via Amsterdam Schiphol (AMS) and 16h 51m via Frankfurt am Main (FRA).

  • What is the time difference between London and Buenos Aires?

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

  • What popular places can I visit in Buenos Aires?

    Cementerio de la Recoleta is one of the most viewed places in Buenos Aires on KAYAK.

  • Which airlines include bags at no extra cost on London to Buenos Aires flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • British Airways: a cabin bag and a checked bag in Economy class

    Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

  • Where to report lost luggage or valuables at Ezeiza Airport?

    You should contact the Airport Security Police (PSA) if you lose an item or document in the parking areas or terminals. The PSA service is available 24h every day, but you should check with your airline if your luggage was lost during transit.

  • Is there a luggage storage and wrapping service at Ezeiza Airport?

    Luggage lockers and storage at Ezeiza Airport are currently unavailable. However, passengers can have their luggage wrapped by Secure Bags, a luggage packing and wrapping service located in the public areas of the arrival terminals.

  • Are there resting hotels and resting zones inside Ezeiza Airport?

    There are no hotels inside Ezeiza Airport, but travellers can get accommodation at nearby facilities, including Posada Quinta Pata and Eze Inn Boutique Hotel. Ezeiza Airport has no resting zones, but travellers with VIP memberships can access several VIP lounges inside the airport. In some VIP lounges, travellers can pay at the door.

  • Where do Cabify and Uber pick passengers at Ezeiza Airport?

    Cabify and Uber users must coordinate with the driver for pick-up at the parking area. However, passengers'drop-off and pick-up areas at Ezeiza Airport are exclusive to official cabs. It costs at most 1847.13 ARS (14.52 GBP) to travel from Ezeiza Airport to downtown Buenos Aires.

  • Can you request a tax (VAT) refund at Ezeiza Airport?

    Ezeiza Airport allows foreign passengers to request VAT refunds for purchases of locally produced products. The agency responsible for this procedure is known as Ezeiza Global Blue Airport. Its offices are available on Terminal C, the public boarding area, and Terminal A.

  • Does London Heathrow have quiet areas?

    Some of the terminals at London Heathrow have quiet rooms. The airport also has quiet areas that are far away from the busy terminal areas. Quiet areas at London Heathrow aren't exclusive to travellers with special needs and can be accessed by those looking for a calm and quiet environment.

Your guide to booking London to Buenos Aires 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 Friday. On this route, Thursday flights average €1,126 – about €123 less than Friday (10% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 9 weeks before you fly. On this route, that window historically saves about 13% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your London to Buenos Aires trip for September. Fares historically average €1,027 return in that month – typically €531 less than the most expensive month, which is December (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Bogotá El Dorado Airport (BOG) can be cheaper than flying direct. The cheapest stopover option averages €938 return on this route – about €404 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Buenos Aires Jorge Newbery Airport.
    - Up Recoleta Hotel
    - Dazzler by Wyndham Buenos Aires Polo
    - Hotel Clásico
  • Ministro Pistarini International Airport (EZE) is the main airport in Buenos Aires, Argentina's capital city. The airport is located about 20 miles away from downtown Buenos Aires. Most long-haul flights, including flights from London airports, arrive and depart from here.
  • It takes approximately 50min to travel from EZE Airport to the city centre by car. Taxis and car rentals are some of the convenient and reliable transfer options from Ezeiza Airport. Car rental services are available at both Arrivals on Terminal A and Terminal B.
  • Most flights to Buenos Aires from London depart from London Heathrow, London city's high-functioning and central airport. There is also a one-stop flight from London Stansted to Ezeiza Airport via Iberia and Ryanair. Iberia and Air Europa also operate at least one-stop flights to Ezeiza Airport via Madrid. Travellers, including those from London, UK, can purchase a SIM card upon touching down at Ezeiza Airport. Upon migration clearance and collecting your luggage, head to the public hall and buy a SIM card at any of the airport's mobile service provider's stores.
  • Banco de LA Nacion Argentina operates a 24-hour Currency Exchange Office at Terminal A of Ezeiza Airport. Banco Nacion also has a bank at the Corporate Aeropuertos building.

More options for your flight from London to Buenos Aires

Complete your trip to Buenos Aires with a hotel stay or car hire

Car hire in Buenos Aires
Hotels in Buenos Aires