LON - BUE

€657 Find Cheap Flights from London to Buenos Aires – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 35% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest return flight
€1,151
Typical prices: €1,062-€1,450
British Airways
Thu 29/3Thu 12/4
LHR - EZE • Direct
Cheapest one-way flight
€657
Typical prices: €595-€938
Avianca
Thu 22/2
LHR - EZE • 1 stop
Direct flights
There are currently no direct flights between London and Buenos Aires. You'll need to take a connecting flight to reach the destination.
Insights
Insights
Top routes
Cheapest • 36% average savings
Most popular
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 9 weeks in advance save around 19% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 14% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg €973 (return)
Shortest trip • 16h 22m (one-way)
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Buenos Aires!
Flight Deals
Booking Insights
Flight Deals

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

Mon, 29 Mar - Mon, 12 Apr
British Airways Logo
19:25 - 05:25LHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
14h 00mdirect
British Airways Logo
15:10 - 08:30EZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
13h 20mdirect
€1,151British Airways
Sat, 20 Feb - Sat, 6 Mar
United Airlines Logo
16:40 - 09:20LHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
43h 40m2 stops Munich Franz Josef Strauss Houston George Bush Intcntl
United Airlines Logo
22:05 - 07:40EZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
30h 35m1 stop Houston George Bush Intcntl
€1,153United Airlines
Mon, 9 Nov - Mon, 23 Nov
United Airlines Logo
16:20 - 09:20LHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
68h 00m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl
United Airlines Logo
22:05 - 05:55EZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
28h 50m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
€1,154United Airlines
Fri, 9 Apr - Thu, 29 Apr
British Airways Logo
19:25 - 05:25LHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
14h 00mdirect
British Airways Logo
15:10 - 08:30EZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
13h 20mdirect
€1,155British Airways
Tue, 10 Nov - Sun, 22 Nov
United Airlines Logo
13:35 - 07:20LHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
44h 45m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
23:55 - 05:55EZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
27h 00m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
€1,156United Airlines
Wed, 11 Nov - Sat, 21 Nov
United Airlines Logo
15:10 - 07:20LHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
43h 10m2 stops Newark Houston George Bush Intcntl
United Airlines Logo
23:55 - 05:55EZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
27h 00m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
€1,157United Airlines
Mon, 23 Nov - Tue, 8 Dec
United Airlines Logo
12:05 - 07:20LHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
22h 15m1 stop Houston George Bush Intcntl
United Airlines Logo
23:55 - 07:40EZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
28h 45m1 stop Houston George Bush Intcntl
€1,158United Airlines
Thu, 21 Jan - Thu, 4 Feb
United Airlines Logo
07:40 - 07:20LHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
26h 40m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
23:55 - 05:55EZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
27h 00m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
€1,160United Airlines
Fri, 19 Feb - Mon, 8 Mar
United Airlines Logo
12:05 - 07:20LHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
22h 15m1 stop Houston George Bush Intcntl
United Airlines Logo
23:55 - 06:20EZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
27h 25m2 stops Houston George Bush Intcntl Newark
€1,161United Airlines
Wed, 31 Mar - Mon, 12 Apr
British Airways Logo
06:15 - 19:55LHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
17h 40m1 stop Madrid Barajas
British Airways Logo
15:10 - 08:30EZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
13h 20mdirect
€1,163British Airways
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 with more confidence.

How much is a return flight from London to Buenos Aires?

Return flights from London to Buenos Aires typically range from €1,062 to €1,450. The lowest price found in the past 5 days was €1,151 on British Airways.

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 €732 return. Other London to Buenos Aires routes average €1,213, based on KAYAK data over the past 12 months.

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

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from London to Buenos Aires. It's 4% cheaper than the average day, while Sunday is the most expensive, with prices 8% higher.

What is the cheapest month to fly from London to Buenos Aires?

•May is the cheapest month to fly from London to Buenos Aires at €1,055 return.
•December (€1,495) and July (€1,331) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 41% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights 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 19% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for London to Buenos Aires flights

Low season

June

Cheapest flight

€657
Beat the crowds with an average 59% drop in travellers.
The most popular month to fly with an average 85% increase in travellers.
One-way flight from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport

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 answers about this route, including flight times, airports, airlines, and booking tips.

  • Which cabin classes can I book on flights from London to Buenos Aires?

    Only Economy class is available on flights from London to Buenos Aires.

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

    A direct flight from London to Buenos Aires takes 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 €1,062 to €1,450, with an average of €1,222 over the past 12 months. Anything below €1,062 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 12% above the €1,222 route average. 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 €973 return via Bogotá El Dorado (BOG), compared with €1,347 for direct.

  • What is the standard checked bag allowance on flights from London to Buenos Aires?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge €89–€89 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

  • Have flight prices from London to Buenos Aires 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 €1,151 to €9,226. That means the highest observed fare was about 8x higher than the lowest one.

  • How are flight prices from London to Buenos Aires looking right now?

    One-way fares from London to Buenos Aires are currently lower than usual. Average one-way flight prices are about €666, which is 13% below the typical average for this route.

  • 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 €20:

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

  • 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) – 44% of one-stop connections
    • Sao Paulo Guarulhos Intl (GRU) – 14% of one-stop connections
    • Bogotá El Dorado (BOG) – 13% of one-stop connections
    • Frankfurt am Main (FRA) – 12% of one-stop connections

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

    Yes. Flexible dates can save you up to 12% on flights from London to Buenos Aires. Tuesday is the cheapest departure day at €1,176 return on average, while Sunday is the most expensive at €1,324, a difference of €148.

    KAYAK's flexible dates feature shows options up to three 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 22m, compared to 16h 54m via Amsterdam Schiphol (AMS) and 16h 55m via Frankfurt am Main (FRA).

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

    Buenos Aires is 3 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 offer extra legroom and free seat selection on London to Buenos Aires flights?

    Among airlines operating London to Buenos Aires flights:

    • British Airways: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • 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

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always 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 Tuesday departure and avoid flying on Sunday. On this route, Tuesday flights average €1,176, about €148 less than Sunday fares (11% 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 19% 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 May. Fares historically average €1,055 return in that month – typically €440 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 €973 return on this route – about €374 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
    • Hotel Clásico
    • Awwa Suites & Spa
  • 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