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Cheap flights from London Heathrow Airport to Buenos Aires from $613

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 11/10. 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.
Avianca Logo
9:40 pm - 3:50 pmLHR-EZE
21h 10m1 stop
Avianca Logo
1:40 am - 2:35 pmEZE-LHR
33h 55m1 stop
$1,080Avianca
Find Deal
jue., feb. 26 - mié., mar. 18
Avianca Logo
10:05 pm - 5:45 amLHR-EZE
35h 40m1 stop
Avianca Logo
4:45 pm - 3:35 pmEZE-LHR
18h 50m1 stop
$1,083Avianca
Find Deal
dom., abr. 12 - mar., abr. 14
Avianca Logo
10:05 pm - 12:10 amLHR-EZE
30h 05m1 stop
Avianca Logo
4:45 pm - 3:35 pmEZE-LHR
18h 50m1 stop
$1,084Avianca
Find Deal
dom., abr. 12 - mar., abr. 14
United Airlines Logo
11:35 am - 9:20 amLHR-EZE
48h 45m2 stops
United Airlines Logo
11:55 pm - 7:30 amEZE-LHR
28h 35m1 stop
$1,102United Airlines
Find Deal
dom., nov. 9 - dom., nov. 23
Avianca Logo
10:05 pm - 12:10 amLHR-EZE
30h 05m1 stop
Avianca Logo
4:45 pm - 3:35 pmEZE-LHR
18h 50m1 stop
$1,118Avianca
Find Deal
dom., abr. 12 - jue., abr. 16
Turkish Airlines Logo
6:00 pm - 10:25 pmLHR-EZE
31h 25m2 stops
Turkish Airlines Logo
11:55 pm - 9:55 amEZE-LHR
31h 00m2 stops
$1,119Turkish Airlines
Find Deal
lun., dic. 1 - mar., dic. 9
Lufthansa Logo
4:30 pm - 7:55 amLHR-EZE
18h 25m1 stop
Lufthansa Logo
5:45 pm - 3:50 pmEZE-LHR
19h 05m1 stop
$1,142Lufthansa
Find Deal
jue., dic. 4 - mar., dic. 9
SWISS Logo
5:25 pm - 11:50 amLHR-EZE
45h 25m3 stops
SWISS Logo
2:40 pm - 9:25 pmEZE-LHR
27h 45m3 stops
$1,161SWISS
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lun., dic. 1 - mié., dic. 10
SWISS Logo
8:05 pm - 11:50 amLHR-EZE
42h 45m2 stops
SWISS Logo
2:25 am - 1:00 pmEZE-LHR
31h 35m2 stops
$1,181SWISS
Find Deal
lun., dic. 1 - mar., dic. 9
United Airlines Logo
3:10 pm - 7:20 amLHR-EZE
43h 10m2 stops
United Airlines Logo
11:55 pm - 7:30 amEZE-LHR
28h 35m1 stop
$1,184United Airlines
Find Deal
sáb., dic. 6 - mar., ene. 27

Avianca flights from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport

Our best Avianca deals on London Heathrow Airport to Buenos Aires Ministro Pistarini Airport flight tickets
Avianca
Feb 26
LHR9:40 pmLondon Heathrow
21h 10m
1 stop
EZE3:50 pmBuenos Aires Ministro Pistarini
Mar 18
EZE1:40 amBuenos Aires Ministro Pistarini
33h 55m
1 stop
LHR2:35 pmLondon Heathrow
$1,080
Find similar
Avianca
Apr 12
LHR10:05 pmLondon Heathrow
35h 40m
1 stop
EZE5:45 amBuenos Aires Ministro Pistarini
Apr 14
EZE4:45 pmBuenos Aires Ministro Pistarini
18h 50m
1 stop
LHR3:35 pmLondon Heathrow
$1,083
Find similar
Avianca
Apr 12
LHR10:05 pmLondon Heathrow
30h 05m
1 stop
EZE12:10 amBuenos Aires Ministro Pistarini
Apr 14
EZE4:45 pmBuenos Aires Ministro Pistarini
18h 50m
1 stop
LHR3:35 pmLondon Heathrow
$1,084
Find similar

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
Nov 8
LHR4:20 pmLondon Heathrow
42h 00m
2 stops
EZE7:20 amBuenos Aires Ministro Pistarini
Nov 15
EZE11:55 pmBuenos Aires Ministro Pistarini
36h 55m
2 stops
LHR3:50 pmLondon Heathrow
$1,069
Find similar
United Airlines
Nov 9
LHR11:35 amLondon Heathrow
48h 45m
2 stops
EZE9:20 amBuenos Aires Ministro Pistarini
Nov 23
EZE11:55 pmBuenos Aires Ministro Pistarini
28h 35m
1 stop
LHR7:30 amLondon Heathrow
$1,102
Find similar
United Airlines
Nov 8
LHR10:00 amLondon Heathrow
26h 20m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Nov 16
EZE11:55 pmBuenos Aires Ministro Pistarini
31h 20m
1 stop
LHR10:15 amLondon Heathrow
$1,109
Find similar

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 octubre 30, 2025.
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

jue. 2/26

9:40 pm-3:50 pm

1 stop21h 10m

Buenos Aires Ministro Pistarini

mié. 3/18

1:40 am-2:35 pm

1 stop33h 55m

$1,080

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

dom. 4/12

10:05 pm-5:45 am

1 stop35h 40m

Buenos Aires Ministro Pistarini

mar. 4/14

4:45 pm-3:35 pm

1 stop18h 50m

$1,083

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

dom. 4/12

10:05 pm-12:10 am

1 stop30h 05m

Buenos Aires Ministro Pistarini

mar. 4/14

4:45 pm-3:35 pm

1 stop18h 50m

$1,084

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

dom. 11/9

11:35 am-9:20 am

2 stops48h 45m

Buenos Aires Ministro Pistarini

dom. 11/23

11:55 pm-7:30 am

1 stop28h 35m

$1,102

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

dom. 4/12

10:05 pm-12:10 am

1 stop30h 05m

Buenos Aires Ministro Pistarini

jue. 4/16

4:45 pm-3:35 pm

1 stop18h 50m

$1,118

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

lun. 12/1

6:00 pm-10:25 pm

2 stops31h 25m

Buenos Aires Ministro Pistarini

mar. 12/9

11:55 pm-9:55 am

2 stops31h 00m

$1,119

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

jue. 12/4

4:30 pm-7:55 am

1 stop18h 25m

Buenos Aires Ministro Pistarini

mar. 12/9

5:45 pm-3:50 pm

1 stop19h 05m

$1,142

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

lun. 12/1

5:25 pm-11:50 am

3 stops45h 25m

Buenos Aires Ministro Pistarini

mié. 12/10

2:40 pm-9:25 pm

3 stops27h 45m

$1,161

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

lun. 12/1

8:05 pm-11:50 am

2 stops42h 45m

Buenos Aires Ministro Pistarini

mar. 12/9

2:25 am-1:00 pm

2 stops31h 35m

$1,181

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

sáb. 12/6

3:10 pm-7:20 am

2 stops43h 10m

Buenos Aires Ministro Pistarini

mar. 1/27

11:55 pm-7:30 am

1 stop28h 35m

$1,184

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Buenos Aires from

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 February, then book flights to Buenos Aires Ministro Pistarini Airport from London Heathrow Airport during November instead. Flights to Buenos Aires Ministro Pistarini Airport in November, while not as cheap as those in February, still average around $1,153.

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

According to our data, the cheapest time of day to fly to Buenos Aires Ministro Pistarini Airport is in the afternoon. momondo users have found flights departing from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport in the afternoon for as low as $1,106. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,442 on average. Flights to Buenos Aires Ministro Pistarini Airport from London Heathrow Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $1,369 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 $1,162 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 October 2025, prices for London Heathrow Airport to Buenos Aires Ministro Pistarini Airport flights are approximately 90% 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

Direct flights

None
There are no direct flights from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport. There are no popular flight routes from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport.
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  • 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. 16h 25m 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 many operators does momondo search for flights from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport?

  • 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?

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

Best airlines flying from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport

Compare and see reviews for airlines that fly from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport with momondo
Airline
Rating
Free Cancellation
Price
IberiaPriceFrom $1,021Free CancellationRating
7.0
3,003 reviews
Search Iberia flights

  • Iberia Flights From London Heathrow Airport to Buenos Aires Ministro Pistarini Airport

    Iberia is one of the most popular airlines flying from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport, operating 7 flights/week on average for this route. A good Iberia flight deal for London Heathrow Airport to Buenos Aires Ministro Pistarini Airport starts from $1,021 round-trip, up to an average price of $1,191. Our users have rated Iberia at 7.0/10.

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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