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Cheap Flights from Buenos Aires to London Heathrow

Travellers and cabin class

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.
London.$1,831 per passenger.Departing Fri, 6 Feb, returning Sat, 21 Feb.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Buenos Aires Ministro Pistarini on Fri, 6 Feb, arriving in London Heathrow.Inbound indirect flight with Air Canada, departs from London Heathrow on Sat, 21 Feb, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From $1,831, select.
London.$1,831 per passenger.Departing Tue, 10 Feb, returning Mon, 2 Mar.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Buenos Aires Ministro Pistarini on Tue, 10 Feb, arriving in London Heathrow.Inbound indirect flight with Air Canada, departs from London Heathrow on Mon, 2 Mar, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From $1,831, select.
London.$1,831 per passenger.Departing Tue, 20 Jan, returning Mon, 2 Feb.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Buenos Aires Ministro Pistarini on Tue, 20 Jan, arriving in London Heathrow.Inbound indirect flight with Air Canada, departs from London Heathrow on Mon, 2 Feb, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From $1,831, select.
London.$1,832 per passenger.Departing Mon, 17 Nov, returning Sun, 23 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Buenos Aires Ministro Pistarini on Mon, 17 Nov, arriving in London Heathrow.Inbound indirect flight with Air Canada, departs from London Heathrow on Sun, 23 Nov, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From $1,832, select.
London.$1,838 per passenger.Departing Wed, 26 Nov, returning Tue, 9 Dec.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Buenos Aires Ministro Pistarini on Wed, 26 Nov, arriving in London Heathrow.Inbound indirect flight with Air Canada, departs from London Heathrow on Tue, 9 Dec, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From $1,838, select.
London.$1,844 per passenger.Departing Tue, 3 Mar, returning Tue, 17 Mar.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Buenos Aires Ministro Pistarini on Tue, 3 Mar, arriving in London Heathrow.Inbound indirect flight with Air Canada, departs from London Heathrow on Tue, 17 Mar, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From $1,844, select.
London.$1,857 per passenger.Departing Wed, 21 Jan, returning Wed, 28 Jan.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Buenos Aires Ministro Pistarini on Wed, 21 Jan, arriving in London Heathrow.Inbound indirect flight with Air Canada, departs from London Heathrow on Wed, 28 Jan, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From $1,857, select.
London.$1,878 per passenger.Departing Sat, 25 Oct, returning Thu, 6 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Buenos Aires Ministro Pistarini on Sat, 25 Oct, arriving in London Heathrow.Inbound indirect flight with Air Canada, departs from London Heathrow on Thu, 6 Nov, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From $1,878, select.

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.
Mar
Find prices
Apr
from $2,155
May
from $1,964
Jun
from $2,189
Jul
from $2,632
Aug
from $2,315
Sep
from $1,928
Oct
from $1,926
Nov
from $1,833
Dec
from $2,057
Jan
from $1,858
Feb
from $1,832

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$1,831
Cheapest month to flyJanuary

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 $1,831. 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 $1,832.
As of March 2025, there are no flights flying from Buenos Aires to London Heathrow.
The cheapest month to fly from Buenos Aires to London Heathrow is usually March 2025.
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 Tuesday, 20 January 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 .

Flying from Buenos Aires to London Heathrow Airport (LHR): what you need to know

  • There are a couple of main airports you can fly out of in Buenos Aires. Explore your options departing from Jorge Newbery Airport (AEP) or Ministro Pistarini Airport (EZE) when reserving your flight from Buenos Aires to London Heathrow Airport (LHR).

  • London Heathrow Airport is located in London. The city operates in the UTC+0 timezone and is 3 hours ahead of Buenos Aires.

  • For stress-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to board your flight from Buenos Aires to LHR.

  • Travelling during a popular month like August? School holidays and other high seasons can lead to longer lines and delays at check-in and security. Play it safe and arrive up to four hours before international flights and two hours before a domestic departure.

Airports in Buenos Aires

Jorge Newbery Airport (AEP)

  • Finding a stopover on your flight from Buenos Aires to LHR is easy. Whether you want to potentially save money on your fare or visit a new city, just uncheck 'Direct flights only' to view your options. A major stop when leaving from Jorge Newbery Airport (AEP) is Arturo Merino Benitez Airport (SCL).

  • AEP is about 14 kilometres from central Buenos Aires. If you're catching a cab, driving or ride-sharing from the centre, it'll take 20 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the trip time to be approximately 38 minutes.

  • Booked an early flight from Buenos Aires to London Heathrow Airport? Avoid the stress of rushing to the terminal (and get some extra shut-eye) by choosing one of these stays near Jorge Newbery Airport:

Ministro Pistarini Airport (EZE)

  • Get the most out of your holiday with a stopover on your flight from Buenos Aires to London Heathrow Airport. Visit family or friends or tick another city off your list. Whatever you'd like to do, check out these options between Ministro Pistarini Airport and LHR:

    • Amsterdam Airport Schiphol Airport (AMS)

    • Adolfo Suarez Madrid-Barajas Airport (MAD)

    • Galeao Antonio Carlos Jobim International Airport (GIG)

  • EZE is about 32 kilometres from central Buenos Aires. It'll take you 36 minutes or so to get to the airport in a car from the city centre. Public transport takes approximately 2 hours and 8 minutes.

  • Start your holiday early with an additional night away from home. Before your flight from Buenos Aires to LHR, kick back in one of these hotels near Ministro Pistarini Airport:

About London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • London Heathrow Airport to central London is about 57 minutes by car. It's approximately 31 kilometres away. Find out what options are available, such as cabs, car rentals or ride-sharing services.

  • It takes around 1 hour and 1 minute if you're travelling on public transport.

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

  • Lock in a one-way ticket from Buenos Aires to London Heathrow Airport from $1,019 or travel return from just $1,831. Prices are accurate at the time of listing and may change based on availability when you book.

  • We suggest booking as soon as possible to get cheap tickets from Buenos Aires to LHR. You're more likely to snag a great deal and enjoy a wider selection of departure times and travel dates.

  • Getting cheap tickets from Buenos Aires to London Heathrow Airport is easy if you're flexible with your trip dates. Use the 'Whole month' tool to see the lowest fares across each month and bag a great deal.

  • Create a Price Alert and track any changes on this route through push notifications or email. You'll be the first to know when prices drop. It's all about timing when scoring cheap tickets from Buenos Aires to LHR.

  • Use the filters to tailor your flights from Buenos Aires to London Heathrow Airport. Enter your preferred arrival and departure times, airlines and number of stops. You can also sort your results by 'Cheapest' to find the best deals.

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

  • July is the busiest month for flights from Buenos Aires to London Heathrow Airport. To skip the crowds, plan your trip to London in February when it's quieter.

  • Think about the type of weather that'll suit your plans for London. July is known as the warmest month. Lock in your flights from Buenos Aires to LHR sometime then and you can expect temperatures of between 11ºC and 26ºC.

  • January has average temperatures of between 0ºC and 9ºC. Look for cheap flights from Buenos Aires to London Heathrow Airport around that time if you want to travel when it's cooler.

More about London

Complete your London trip with a car rental

  • Finding you a cheap flight from Buenos Aires to London Heathrow Airport isn't our only cool trick. Check out our car rentals in London and explore the city on your own terms. We search for deals from trusted car rental providers and put them all in one place. You can instantly compare rates and then book with no fees.

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Plan the rest of your trip from Buenos Aires to London

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