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Cheap flights from London Heathrow Airport to Buenos Aires from $1,137

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Buenos Aires departing on 25/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London Heathrow Airport to Buenos Aires

Cheap return flights

These are some of the best return flight deals from London Heathrow Airport to Buenos Aires that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London Heathrow Airport to Buenos Aires.

Cheap last-minute flights

Planning a quick getaway from London Heathrow Airport to Buenos Aires? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Buenos Aires, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from London Heathrow Airport to Buenos Aires

Find recent round-trip train or bus tickets from London Heathrow Airport to Buenos Aires.

All round-trip flight deals to Buenos Aires

The cheapest plane tickets to Buenos Aires found on KAYAK recently.
20:15 - 18:10LHR-EZE
24h 55m2 stops
10:02 - 14:05EZE-LHR
25h 03m2 stops
$1,751LATAM Airlines
Find Deal
Mon, 3 Feb - Mon, 10 Feb
22:00 - 10:35LHR-EZE
16h 35m1 stop
12:15 - 07:55EZE-LHR
15h 40m1 stop
$1,762British Airways
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Tue, 13 May - Thu, 29 May
14:10 - 11:05LHR-EZE
23h 55m1 stop
21:00 - 22:10EZE-LHR
22h 10m1 stop
$1,770American Airlines
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Mon, 3 Feb - Mon, 10 Feb
06:20 - 20:25LHR-EZE
17h 05m1 stop
22:45 - 20:50EZE-LHR
19h 05m2 stops
$1,773
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Tue, 7 Jan - Wed, 26 Feb
20:00 - 16:25LHR-EZE
24h 25m1 stop
12:15 - 07:55EZE-LHR
15h 40m1 stop
$1,775British Airways
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Tue, 13 May - Thu, 29 May
06:20 - 20:25LHR-EZE
17h 05m1 stop
22:45 - 20:50EZE-LHR
19h 05m2 stops
$1,777
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Tue, 7 Jan - Wed, 26 Feb
16:20 - 07:20LHR-EZE
42h 00m2 stops
23:55 - 07:30EZE-LHR
28h 35m1 stop
$1,799United Airlines
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Thu, 23 Jan - Wed, 29 Jan
13:35 - 09:20LHR-EZE
46h 45m2 stops
23:55 - 07:30EZE-LHR
28h 35m1 stop
$1,802United Airlines
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Thu, 23 Jan - Wed, 29 Jan
06:30 - 09:00LHR-EZE
29h 30m2 stops
22:25 - 06:50EZE-LHR
29h 25m2 stops
$1,841Delta
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Sun, 2 Feb - Wed, 12 Feb
06:30 - 09:00LHR-EZE
29h 30m2 stops
22:25 - 07:55EZE-LHR
30h 30m2 stops
$1,845Delta
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Tue, 25 Feb - Fri, 14 Mar
08:00 - 07:20LHR-EZE
26h 20m2 stops
$1,137United Airlines
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Sat, 25 Jan
08:00 - 07:20LHR-EZE
26h 20m2 stops
$1,141United Airlines
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Wed, 22 Jan
12:05 - 07:20LHR-EZE
46h 15m2 stops
$1,147United Airlines
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Thu, 23 Jan
20:50 - 17:20LHR-EZE
24h 30m1 stop
$1,216
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Tue, 27 May
13:30 - 06:25LHR-EZE
20h 55m1 stop
$1,256Lufthansa
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Fri, 16 May
21:55 - 10:35LHR-EZE
16h 40m1 stop
$1,352British Airways
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Wed, 21 May
16:35 - 22:25LHR-EZE
32h 50m2 stops
$1,368Turkish Airlines
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Thu, 2 Jan
18:00 - 22:25LHR-EZE
31h 25m2 stops
$1,373Turkish Airlines
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Thu, 2 Jan
17:30 - 06:25LHR-EZE
16h 55m1 stop
$1,384Lufthansa
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Sat, 17 May
06:25 - 21:00LHR-EZE
17h 35m1 stop
$2,486British Airways
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Fri, 17 Jan
17:25 - 11:50LHR-EZE
45h 25m3 stops
06:10 - 17:50EZE-LHR
31h 40m2 stops
$1,756SWISS
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Mon, 23 Dec - Tue, 10 Jun
06:20 - 07:15LHR-EZE
27h 55m2 stops
20:10 - 08:05EZE-LHR
31h 55m2 stops
$1,828Delta
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Mon, 23 Dec - Sun, 18 May
11:45 - 07:00LHR-EZE
22h 15m1 stop
21:30 - 21:40EZE-LHR
20h 10m1 stop
$1,956American Airlines
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Mon, 23 Dec - Mon, 12 May
17:10 - 11:50LHR-EZE
21h 40m2 stops
17:50 - 14:45EZE-LHR
17h 55m1 stop
$2,143
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Tue, 24 Dec - Tue, 21 Jan
11:45 - 07:00LHR-EZE
22h 15m1 stop
21:30 - 06:30EZE-LHR
29h 00m1 stop
$2,159American Airlines
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Mon, 23 Dec - Wed, 14 May
18:30 - 07:55LHR-EZE
16h 25m1 stop
13:30 - 13:00EZE-LHR
19h 30m2 stops
$2,166
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Mon, 23 Dec - Wed, 14 May
18:30 - 07:55LHR-EZE
16h 25m1 stop
16:40 - 14:40EZE-LHR
18h 00m1 stop
$2,201Lufthansa
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Mon, 23 Dec - Tue, 10 Jun
17:30 - 07:55LHR-EZE
17h 25m1 stop
16:40 - 14:40EZE-LHR
18h 00m1 stop
$2,249Lufthansa
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Mon, 23 Dec - Sun, 1 Jun
19:40 - 17:25LHR-EZE
24h 45m1 stop
13:00 - 08:25EZE-LHR
15h 25m1 stop
$2,459Iberia
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Mon, 23 Dec - Thu, 15 May
19:40 - 17:25LHR-EZE
24h 45m1 stop
18:10 - 13:30EZE-LHR
15h 20m1 stop
$2,672Iberia
Find Deal
Sun, 22 Dec - Tue, 13 May

British Airways flights from London Heathrow Airport to Buenos Aires

Our best British Airways deals on London Heathrow Airport to Buenos Aires flight tickets
British Airways
13 May
LHR22:00London Heathrow
16h 35m
1 stop
EZE10:35Buenos Aires Ministro Pistarini
29 May
EZE12:15Buenos Aires Ministro Pistarini
15h 40m
1 stop
LHR07:55London Heathrow
British Airways
13 May
LHR20:00London Heathrow
24h 25m
1 stop
EZE16:25Buenos Aires Ministro Pistarini
29 May
EZE12:15Buenos Aires Ministro Pistarini
15h 40m
1 stop
LHR07:55London Heathrow
British Airways
22 Feb
LHR19:40London Heathrow
24h 45m
1 stop
EZE17:25Buenos Aires Ministro Pistarini
13 Mar
EZE22:45Buenos Aires Ministro Pistarini
15h 30m
1 stop
LHR17:15London Heathrow

KLM flights from London Heathrow Airport to Buenos Aires

Our best KLM deals on London Heathrow Airport to Buenos Aires flight tickets
KLM
19 Mar
LHR20:25London Heathrow
27h 00m
2 stops
EZE20:25Buenos Aires Ministro Pistarini
23 Mar
EZE16:25Buenos Aires Ministro Pistarini
21h 35m
1 stop
LHR17:00London Heathrow
KLM
1 Jan
LHR17:50London Heathrow
16h 10m
1 stop
EZE07:00Buenos Aires Ministro Pistarini
1 Apr
EZE14:35Buenos Aires Ministro Pistarini
19h 15m
1 stop
LHR13:50London Heathrow
KLM
1 Jan
LHR20:25London Heathrow
27h 00m
2 stops
EZE20:25Buenos Aires Ministro Pistarini
1 Apr
EZE14:35Buenos Aires Ministro Pistarini
19h 15m
1 stop
LHR13:50London Heathrow

See travel insights to Buenos Aires from

How to get the cheapest flight ticket from London Heathrow Airport to Buenos Aires

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from London Heathrow Airport is in May. Flight prices, which tend to average around $1,653, are often lower during this time because this is during the off-season. If you don’t want to visit Buenos Aires in May, then you should wait until January to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of $1,706.

What is the cheapest day to depart on your flight to Buenos Aires?

Our data shows that Monday is the least expensive day to fly to Buenos Aires. Tickets to fly out on this day can be as low as $0. Flights from London Heathrow Airport to Buenos Aires on a Wednesday will generally be more expensive and average around $1,130. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Buenos Aires?

Our data shows that the cheapest London Heathrow Airport to Buenos Aires flights are usually those with departure times in the morning. Our users have found flights to Buenos Aires in the morning for as low as $0. Flights in the evening are often more expensive, with an average ticket price of $1,879.

How far in advance should I book a flight to Buenos Aires?

Most flyers found that booking tickets 6 days in advance of their planned departure date is the best time to get cheap flights to Buenos Aires. During this timeframe, flight prices are around $1,997. Keep in mind that you might also find cheap flights to Buenos Aires outside of this time window. In fact, momondo users recently found flights from London Heathrow Airport to Buenos Aires for $2,374.

Can stopping save me money on London Heathrow Airport to Buenos Aires flights?

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Buenos Aires.

How have London Heathrow Airport to Buenos Aires flight prices changed over time?

As of December 2024, prices for London Heathrow Airport to Buenos Aires flights are approximately 31% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Buenos Aires according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Buenos Aires (LHR to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Buenos Aires

Best price found

$1,137

Fastest flight time

16h 10m

Direct flights

None

Airports in Buenos Aires

1 airport
The best one-way flight to Buenos Aires from London Heathrow Airport in the past 72 hours is $1,137. The best return flight deal from London Heathrow Airport to Buenos Aires found on momondo in the last 72 hours is $1,751.
The fastest flight from London Heathrow Airport to Buenos Aires takes 16h 10m
There are no direct flights from London Heathrow Airport to Buenos Aires. Popular non-direct route for this connection is London Heathrow Airport - Buenos Aires Ministro Pistarini Airport.
There is 1 airport near Buenos Aires: Buenos Aires Ministro Pistarini (EZE)

  • How far is London Heathrow to Buenos Aires by plane?

    London Heathrow and Buenos Aires are 11101.7 km apart from one another. Typically, this will take 16h 10m by plane in normal conditions.

  • When did momondo last update prices for flights from London Heathrow Airport to Buenos Aires?

    Prices for flights from London Heathrow Airport to Buenos Aires are updated daily.

  • How old do you have to be to fly from London Heathrow Airport to Buenos Aires?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Buenos Aires.

  • What documentation or ID do you need to fly to Buenos Aires?

    The travel and health documents required for your trip to Buenos Aires can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Buenos Aires. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from London Heathrow Airport to Buenos Aires?


Why use momondo?

Why should I use momondo to find a flight deal from London to Buenos Aires?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Buenos Aires for you.

Can I find flights from London to Buenos Aires with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Buenos Aires from London with this policy.

How can momondo help me find flights from London to Buenos Aires?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Buenos Aires.

I’m not ready to book a flight from London to Buenos Aires right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to Buenos Aires flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 27.4 km from Buenos Aires