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Cheap flights from London Heathrow Airport to Buenos Aires from $991

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 9/3. 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 return train or bus tickets from London Heathrow Airport to Buenos Aires.

All return flight deals from London Heathrow Airport to Buenos Aires

The cheapest plane tickets from London Heathrow Airport to Buenos Aires found on KAYAK recently.
11:20 - 22:25LHR-EZE
39h 05m2 stops
23:55 - 16:00EZE-LHR
36h 05m2 stops
$1,553Turkish Airlines
Find Deal
Wed, 30 Apr - Thu, 22 May
06:30 - 22:25LHR-EZE
43h 55m2 stops
23:55 - 15:05EZE-LHR
35h 10m2 stops
$1,572Turkish Airlines
Find Deal
Thu, 17 Apr - Mon, 28 Apr
10:30 - 07:55LHR-EZE
24h 25m1 stop
16:40 - 20:40EZE-LHR
24h 00m1 stop
$1,590Lufthansa
Find Deal
Tue, 25 Mar - Wed, 9 Apr
19:30 - 07:55LHR-EZE
39h 25m1 stop
16:40 - 20:40EZE-LHR
24h 00m1 stop
$1,617Lufthansa
Find Deal
Mon, 24 Mar - Wed, 9 Apr
20:05 - 10:45LHR-EZE
42h 40m2 stops
13:30 - 17:50EZE-LHR
24h 20m2 stops
$1,649SWISS
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Thu, 29 May - Wed, 11 Jun
09:00 - 21:55LHR-EZE
16h 55m1 stop
14:40 - 07:40EZE-LHR
37h 00m1 stop
$1,688
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Thu, 29 May - Tue, 10 Jun
19:15 - 10:45LHR-EZE
43h 30m3 stops
13:30 - 17:50EZE-LHR
24h 20m2 stops
$1,709SWISS
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Thu, 29 May - Wed, 11 Jun
19:05 - 17:25LHR-EZE
25h 20m1 stop
13:35 - 08:35EZE-LHR
16h 00m1 stop
$1,722British Airways
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Tue, 4 Feb - Mon, 17 Feb
16:30 - 06:25LHR-EZE
17h 55m1 stop
13:30 - 16:25EZE-LHR
22h 55m2 stops
$1,754
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Wed, 7 May - Wed, 21 May
21:55 - 10:35LHR-EZE
16h 40m1 stop
12:15 - 07:55EZE-LHR
15h 40m1 stop
$1,778British Airways
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Thu, 12 Jun - Thu, 26 Jun
09:55 - 11:10LHR-EZE
28h 15m1 stop
Sun, 9 Mar
09:10 - 07:20LHR-EZE
25h 10m2 stops
$1,116United Airlines
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Sat, 25 Jan
20:05 - 10:45LHR-EZE
42h 40m2 stops
$1,191SWISS
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Thu, 29 May
22:35 - 22:25LHR-EZE
26h 50m2 stops
$1,208Turkish Airlines
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Tue, 18 Mar
16:35 - 22:25LHR-EZE
32h 50m2 stops
$1,209Turkish Airlines
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Tue, 18 Mar
20:05 - 10:45LHR-EZE
42h 40m2 stops
$1,214SWISS
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Thu, 29 May
21:40 - 00:15LHR-EZE
29h 35m1 stop
$1,267Avianca
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Thu, 23 Jan
22:05 - 00:10LHR-EZE
30h 05m1 stop
$1,282Avianca
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Thu, 29 May
19:40 - 21:00LHR-EZE
28h 20m1 stop
$1,678British Airways
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Fri, 14 Feb
06:10 - 19:50LHR-EZE
17h 40m1 stop
$1,889British Airways
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Fri, 11 Jul
18:40 - 11:50LHR-EZE
20h 10m2 stops
14:40 - 13:00EZE-LHR
19h 20m2 stops
$1,665SWISS
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Tue, 21 Jan - Sat, 8 Feb
18:30 - 07:55LHR-EZE
16h 25m1 stop
17:50 - 15:45EZE-LHR
18h 55m1 stop
$1,696Lufthansa
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Tue, 21 Jan - Thu, 6 Feb
20:15 - 07:55LHR-EZE
38h 40m2 stops
17:50 - 12:45EZE-LHR
15h 55m1 stop
$1,743Lufthansa
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Tue, 21 Jan - Thu, 6 Feb
09:30 - 07:55LHR-EZE
25h 25m1 stop
17:50 - 21:00EZE-LHR
24h 10m2 stops
$1,812Lufthansa
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Tue, 21 Jan - Thu, 6 Feb
06:30 - 09:00LHR-EZE
29h 30m2 stops
22:25 - 06:55EZE-LHR
29h 30m1 stop
$1,817Delta
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Wed, 22 Jan - Wed, 29 Jan
14:30 - 09:00LHR-EZE
21h 30m1 stop
22:25 - 07:55EZE-LHR
30h 30m2 stops
$1,822Delta
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Tue, 21 Jan - Wed, 5 Feb
14:30 - 09:00LHR-EZE
21h 30m1 stop
22:25 - 07:05EZE-LHR
29h 40m2 stops
$1,827Delta
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Tue, 21 Jan - Sat, 8 Feb
09:10 - 09:00LHR-EZE
26h 50m2 stops
22:25 - 06:50EZE-LHR
29h 25m2 stops
$1,844Delta
Find Deal
Mon, 20 Jan - Sun, 9 Feb
11:10 - 07:55LHR-EZE
23h 45m2 stops
17:50 - 21:00EZE-LHR
24h 10m2 stops
$1,846Lufthansa
Find Deal
Tue, 21 Jan - Thu, 6 Feb
19:30 - 11:50LHR-EZE
43h 20m3 stops
07:20 - 19:15EZE-LHR
32h 55m2 stops
$2,599SWISS
Find Deal
Mon, 20 Jan - Fri, 24 Jan

Delta flights from London Heathrow Airport to Buenos Aires

Our best Delta deals on London Heathrow Airport to Buenos Aires flight tickets
Delta
29 Jan
LHR06:30London Heathrow
29h 30m
2 stops
EZE09:00Buenos Aires Ministro Pistarini
9 Feb
EZE22:25Buenos Aires Ministro Pistarini
29h 50m
2 stops
LHR07:15London Heathrow
Delta
30 Jan
LHR06:30London Heathrow
29h 30m
2 stops
EZE09:00Buenos Aires Ministro Pistarini
5 Feb
EZE21:00Buenos Aires Ministro Pistarini
31h 55m
2 stops
LHR07:55London Heathrow
Delta
29 Jan
LHR10:10London Heathrow
25h 50m
2 stops
EZE09:00Buenos Aires Ministro Pistarini
16 Feb
EZE21:00Buenos Aires Ministro Pistarini
31h 55m
1 stop
LHR07:55London Heathrow

United Airlines flights from London Heathrow Airport to Buenos Aires

Our best United Airlines deals on London Heathrow Airport to Buenos Aires flight tickets
United Airlines
17 Feb
LHR09:20London Heathrow
25h 00m
1 stop
EZE07:20Buenos Aires Ministro Pistarini
24 Feb
EZE22:05Buenos Aires Ministro Pistarini
34h 00m
1 stop
LHR11:05London Heathrow
United Airlines
27 Jan
LHR09:10London Heathrow
25h 10m
2 stops
EZE07:20Buenos Aires Ministro Pistarini
8 Feb
EZE23:55Buenos Aires Ministro Pistarini
29h 30m
2 stops
LHR08:25London Heathrow
United Airlines
2 Feb
LHR15:10London Heathrow
43h 10m
2 stops
EZE07:20Buenos Aires Ministro Pistarini
13 Feb
EZE22:05Buenos Aires Ministro Pistarini
33h 45m
1 stop
LHR10:50London 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 $1,767, 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 March to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of $1,785.

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 $1,137. 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 $1,891.

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

You are more likely to see cheaper flights to Buenos Aires from London Heathrow Airport when booking 3 weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $2,019 when searching 3 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from London Heathrow Airport for as low as $1,851 on momondo.

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

As of January 2025, prices for London Heathrow Airport to Buenos Aires flights are approximately 6% 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

$991

Fastest flight time

16h 25m

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 $991. The best return flight deal from London Heathrow Airport to Buenos Aires found on momondo in the last 72 hours is $1,553.
The fastest flight from London Heathrow Airport to Buenos Aires takes 16h 25m
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 25m 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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Fly into one of these airports located in Buenos Aires

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