Flight tickets from Buenos Aires to London Heathrow

Compare Buenos Aires to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

Book the best London Heathrow fare with no extra fees

Flight deals from Buenos Aires to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Buenos Aires to London Heathrow? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Buenos Aires to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Buenos Aires to London Heathrow flights are currently cheapest in February.

Buenos Aires to London Heathrow: Alternative routes

Compare routes from Buenos Aires to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Buenos Aires to London: Flight information

The things to know before you go.
Cheapest flight found₹ 49,691
Cheapest month to flyFebruary

Finding cheap flights from Buenos Aires to London Heathrow: Frequently asked questions

The best price we found for a return flight from Buenos Aires to London Heathrow is ₹ 77,372. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Buenos Aires to London Heathrow. But we found flights with one stop from ₹ 77,372.
As of January 2026, there are no flights flying from Buenos Aires to London Heathrow.
The cheapest month to fly from Buenos Aires to London Heathrow is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Buenos Aires to London Heathrow Airport on Thursday, 14 May 2026.
No airlines currently offer direct flights between Buenos Aires and London Heathrow Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to London Heathrow is Air Canada .

Travelling from Buenos Aires to London Heathrow Airport (LHR): What you need to know

  • Buenos Aires is home to two main airports where you can start your adventure. Check out your options for booking a flight from Buenos Aires to London Heathrow Airport (LHR) leaving from Jorge Newbery Airport (AEP) or Ministro Pistarini Airport (EZE).

  • London is three hours ahead of Buenos Aires. London Heathrow Airport is located in London, which runs on the UTC+0 timezone.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Be at the airport on time to board your flight from Buenos Aires to LHR.

  • Longer lines at security and check-in are likely if you're travelling during high season, so allow some extra breathing room. The recommendation for peak times? Arrive up to four hours ahead for international flights and two hours for domestic departures.

Airports in Buenos Aires

Jorge Newbery Airport (AEP)

  • You might be able to make your cheap flight from Buenos Aires to LHR even cheaper by adding a stopover. Just uncheck 'Direct flights only' during your search to find which cities you could pass through. Arturo Merino Benitez Airport (SCL) is an option when flying out of Jorge Newbery Airport (AEP).

  • AEP is around 14 kilometres from central Buenos Aires. If you're driving, catching a cab or ride-sharing from the centre, it'll take 20 minutes or so to get there, depending on traffic. If you're using public transport, expect the trip time to be around 40 minutes.

  • Looking for a comfortable hotel near Jorge Newbery Airport? If you've booked an early flight from Buenos Aires to London Heathrow Airport, these stays will have you sleeping just around the corner from the terminal:

  • Jorge Newbery Airport has a solid on-time record, reducing your chances of a delayed flight. Departures from AEP land at their destination as scheduled 83.76% of the time.

Ministro Pistarini Airport (EZE)

  • Turn your flight into part of the adventure with a stopover on your flight from Buenos Aires to London Heathrow Airport. Here's where you can connect between Ministro Pistarini Airport and LHR:

    • Frankfurt Airport (FRA)

    • Adolfo Suarez Madrid-Barajas Airport (MAD)

    • Galeao Antonio Carlos Jobim International Airport (GIG)

  • Using public transport, you can travel from central Buenos Aires to EZE in about 2 hours 10 minutes. The terminal is roughly 32 kilometres away, and getting there by car will take approximately 35 minutes.

  • Want to treat yourself to an extra night away before boarding your Buenos Aires to LHR flight? Check in to a hotel near Ministro Pistarini Airport before your break officially begins. Here's where you can stay:

  • Ministro Pistarini Airport has a reputation for reliability and timeliness. 83.93% of flights departing here make it to their final destination as planned.

About London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • London Heathrow Airport is around 26 kilometres from central London. How long it'll take to get there by cab or car hire depends on the time of day. Do some research before you go.

  • It takes around 1 hour to get there using public transport.

How to find the cheapest flights from Buenos Aires to London Heathrow Airport (LHR)

  • ₹ 49,691 is the lowest price for a one-way ticket from Buenos Aires to London Heathrow Airport. Return flights start at ₹ 77,372. These prices may change depending on availability and demand.

  • Don't wait until the last minute. You're more likely to walk away with cheap flights from Buenos Aires to LHR if you book in advance. Airlines often have some amazing early bird deals.

  • If you have some flexibility with your travel plans, try using the 'Whole month' tool. It'll give you the cheapest price in each month when searching for your Buenos Aires to London Heathrow Airport ticket.

  • You don't need to check back in every day to find out if fares have dropped when you set up a Price Alert. We'll let you know as soon as there's a better deal on flight tickets from Buenos Aires to LHR.

  • Uncover a great deal on a flight from Buenos Aires to London Heathrow Airport with the help of the filters. Choose your ideal departure and arrival times, airlines and number of stops. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest.'

The best time to fly from Buenos Aires to London Heathrow Airport (LHR)

  • July is when most people book flights from Buenos Aires to London Heathrow Airport (LHR). Visit London in February for a more laid-back experience.

  • The warmest month in London is July, with temperatures ranging between 11ºC and 26ºC. Lock in your Buenos Aires to LHR flight ticket then if that's your ideal forecast.

  • If you want cooler conditions, look for a cheap ticket from Buenos Aires to London Heathrow Airport in January when temperatures are between 0ºC and 9ºC.

More about London

  • Start your London trip right by choosing the perfect place to stay. As soon as you've booked your flight from Buenos Aires to London Heathrow Airport, explore our selection of hotels including:

  • All great journeys should include a little sightseeing. The British Museum, Westminster Abbey and Big Ben are must-do's during your London adventure.

Explore more of the United Kingdom

  • You've done London, now it's time to explore other corners of the United Kingdom. Journey around 153 kilometres north-west to Birmingham to tick off its top attractions. From The Windsor Castle to Birmingham Museum & Art Gallery and Birmingham Hippodrome Theatre, your itinerary will be busy.

  • Bristol is another well-known destination in the United Kingdom and is around 145 kilometres west of London. No journey is complete without dropping by Banksey, Banksy's You Don't Need Planning Permission to Build Castles in the Sky and Clifton Suspension Bridge.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.