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Cheap flights from London Heathrow Airport to Buenos Aires from $626

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 3/2. 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 round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:30 am - 6:25 am
LHR
-
EZE
24h 55m
1 stop
Multiple Airlines Logo
1:30 pm - 1:00 pm
EZE
-
LHR
19h 30m
2 stops
$1,028Multiple Airlines
Wed, May 6 - Wed, Jun 10
Lufthansa Logo
9:30 am - 6:25 am
LHR
-
EZE
24h 55m
1 stop
Lufthansa Logo
4:35 pm - 8:40 pm
EZE
-
LHR
24h 05m
1 stop
$1,037Lufthansa
Wed, May 6 - Thu, May 28
Avianca Logo
10:05 pm - 3:40 pm
LHR
-
EZE
21h 35m
1 stop
Avianca Logo
4:50 pm - 3:35 pm
EZE
-
LHR
18h 45m
1 stop
$1,050Avianca
Mon, May 4 - Mon, May 18
Avianca Logo
10:05 pm - 3:40 pm
LHR
-
EZE
21h 35m
1 stop
Avianca Logo
7:10 am - 3:35 pm
EZE
-
LHR
28h 25m
1 stop
$1,051Avianca
Sun, Jun 7 - Mon, Jun 22
United Airlines Logo
9:10 am - 9:20 am
LHR
-
EZE
27h 10m
2 stops
United Airlines Logo
10:55 pm - 7:30 am
EZE
-
LHR
29h 35m
1 stop
$1,066United Airlines
Sat, Mar 7 - Thu, Mar 26
United Airlines Logo
10:00 am - 7:20 am
LHR
-
EZE
24h 20m
1 stop
United Airlines Logo
10:55 pm - 9:10 am
EZE
-
LHR
31h 15m
2 stops
$1,067United Airlines
Tue, Mar 3 - Thu, Mar 19
United Airlines Logo
7:40 am - 9:20 am
LHR
-
EZE
28h 40m
2 stops
United Airlines Logo
9:05 pm - 6:40 am
EZE
-
LHR
30h 35m
2 stops
$1,068United Airlines
Sat, Mar 7 - Tue, Mar 17
United Airlines Logo
10:00 am - 9:20 am
LHR
-
EZE
26h 20m
1 stop
United Airlines Logo
9:05 pm - 7:30 am
EZE
-
LHR
31h 25m
1 stop
$1,069United Airlines
Thu, Feb 26 - Sun, Mar 8
United Airlines Logo
12:05 pm - 9:20 am
LHR
-
EZE
24h 15m
1 stop
United Airlines Logo
10:55 pm - 7:30 am
EZE
-
LHR
29h 35m
1 stop
$1,071United Airlines
Thu, Feb 26 - Thu, Mar 19
United Airlines Logo
7:25 am - 8:00 am
LHR
-
EZE
28h 35m
2 stops
United Airlines Logo
9:00 pm - 11:35 am
EZE
-
LHR
34h 35m
1 stop
$1,072United Airlines
Wed, Apr 8 - Wed, Apr 22

United Airlines flights from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport

Our best United Airlines deals on London Heathrow Airport to Buenos Aires Ministro Pistarini Airport flight tickets
United Airlines
Mar 7
LHR9:10 amLondon Heathrow
27h 10m
2 stops
EZE9:20 amBuenos Aires Ministro Pistarini
Mar 26
EZE10:55 pmBuenos Aires Ministro Pistarini
29h 35m
1 stop
LHR7:30 amLondon Heathrow
$1,066
United Airlines
Mar 3
LHR10:00 amLondon Heathrow
24h 20m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Mar 19
EZE10:55 pmBuenos Aires Ministro Pistarini
31h 15m
2 stops
LHR9:10 amLondon Heathrow
$1,067
United Airlines
Mar 7
LHR7:40 amLondon Heathrow
28h 40m
2 stops
EZE9:20 amBuenos Aires Ministro Pistarini
Mar 17
EZE9:05 pmBuenos Aires Ministro Pistarini
30h 35m
2 stops
LHR6:40 amLondon Heathrow
$1,068

American Airlines flights from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport

Our best American Airlines deals on London Heathrow Airport to Buenos Aires Ministro Pistarini Airport flight tickets
American Airlines
Feb 18
LHR11:55 amLondon Heathrow
23h 10m
1 stop
EZE8:05 amBuenos Aires Ministro Pistarini
Mar 4
EZE8:45 pmBuenos Aires Ministro Pistarini
22h 25m
1 stop
LHR10:10 pmLondon Heathrow
$1,196
American Airlines
Feb 14
LHR12:10 pmLondon Heathrow
23h 10m
1 stop
EZE8:20 amBuenos Aires Ministro Pistarini
Feb 28
EZE8:45 pmBuenos Aires Ministro Pistarini
31h 00m
1 stop
LHR6:45 amLondon Heathrow
$1,241

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 13, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Wed 5/6

9:30 am-6:25 am

1 stop24h 55m

Buenos Aires Ministro Pistarini

Wed 6/10

1:30 pm-1:00 pm

2 stops19h 30m

$1,028

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Wed 5/6

9:30 am-6:25 am

1 stop24h 55m

Buenos Aires Ministro Pistarini

Thu 5/28

4:35 pm-8:40 pm

1 stop24h 05m

$1,037

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Mon 5/4

10:05 pm-3:40 pm

1 stop21h 35m

Buenos Aires Ministro Pistarini

Mon 5/18

4:50 pm-3:35 pm

1 stop18h 45m

$1,050

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Sun 6/7

10:05 pm-3:40 pm

1 stop21h 35m

Buenos Aires Ministro Pistarini

Mon 6/22

7:10 am-3:35 pm

1 stop28h 25m

$1,051

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Sat 3/7

9:10 am-9:20 am

2 stops27h 10m

Buenos Aires Ministro Pistarini

Thu 3/26

10:55 pm-7:30 am

1 stop29h 35m

$1,066

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Tue 3/3

10:00 am-7:20 am

1 stop24h 20m

Buenos Aires Ministro Pistarini

Thu 3/19

10:55 pm-9:10 am

2 stops31h 15m

$1,067

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Sat 3/7

7:40 am-9:20 am

2 stops28h 40m

Buenos Aires Ministro Pistarini

Tue 3/17

9:05 pm-6:40 am

2 stops30h 35m

$1,068

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Thu 2/26

10:00 am-9:20 am

1 stop26h 20m

Buenos Aires Ministro Pistarini

Sun 3/8

9:05 pm-7:30 am

1 stop31h 25m

$1,069

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Thu 2/26

12:05 pm-9:20 am

1 stop24h 15m

Buenos Aires Ministro Pistarini

Thu 3/19

10:55 pm-7:30 am

1 stop29h 35m

$1,071

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Wed 4/8

7:25 am-8:00 am

2 stops28h 35m

Buenos Aires Ministro Pistarini

Wed 4/22

9:00 pm-11:35 am

1 stop34h 35m

$1,072

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport

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 typical price of a round-trip flight between London Heathrow Airport and Buenos Aires Ministro Pistarini Airport?

What is the cheapest month to fly to Buenos Aires Ministro Pistarini Airport?

If you aren’t able to travel during the month of November, then book flights to Buenos Aires Ministro Pistarini Airport from London Heathrow Airport during February instead. Flights to Buenos Aires Ministro Pistarini Airport in February, while not as cheap as those in November, still average around $1,191.

What is the cheapest London Heathrow to Buenos Aires Ministro Pistarini flight route?

Fly from London Heathrow to Buenos Aires Ministro Pistarini for the best London Heathrow - Buenos Aires Ministro Pistarini flight prices

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

You are more likely to see cheaper flights to Buenos Aires Ministro Pistarini Airport from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires Ministro Pistarini Airport for around $1,405 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires Ministro Pistarini Airport from London Heathrow Airport for as low as $1,179 on momondo.

What cabin class options are available on London Heathrow to Buenos Aires Ministro Pistarini flights?

There is only 1 cabin class available to choose from on London Heathrow to Buenos Aires Ministro Pistarini flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of February 2026, prices for London Heathrow Airport to Buenos Aires Ministro Pistarini Airport flights are approximately 24% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport

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

Cheap London Heathrow Airport to Buenos Aires Ministro Pistarini Airport (LHR to EZE) flight deals and tips

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

Fastest flight time

24h 15m

Direct flights

Sat
The fastest flight from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport takes 24h 15m
Direct flights go from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport on Saturday. There are no airlines offering direct flights.
Search flight deals

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

    The straight-line distance from London Heathrow to Buenos Aires Ministro Pistarini is 6915.3 mi. 24h 15m is a normal flight duration for this route.

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

    Prices for flights from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport are refreshed on a daily basis.

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

    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 layovers 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 Ministro Pistarini Airport.

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

    The required travel and health documents for your Buenos Aires Ministro Pistarini Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buenos Aires Ministro Pistarini Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Why use momondo?

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

Finding the right flight to Buenos Aires from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Buenos Aires quick and easy, saving you time and money.

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

Yes. All flights to Buenos Aires from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Buenos Aires from London.

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

Yes momondo offers price alerts on flights to Buenos Aires from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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