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Cheap flights from London Heathrow Airport to Buenos Aires from $642

1 adult
1 adult, Economy, 0 bags

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
9:35 pm - 12:30 amLHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
29h 55m1 stop Bogotá El Dorado
Avianca Logo
7:25 am - 2:35 pmEZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
28h 10m1 stop Bogotá El Dorado
$1,207Avianca
Tue, Jan 5 - Tue, Feb 2
American Airlines Logo
2:30 pm - 8:40 amLHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
21h 10m1 stop Miami
American Airlines Logo
11:59 pm - 8:15 amEZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
29h 16m1 stop Miami
$1,211American Airlines
Thu, Nov 12 - Thu, Nov 26
British Airways Logo
5:25 pm - 5:25 pmLHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
27h 00m1 stop Madrid Barajas
British Airways Logo
7:20 pm - 2:55 pmEZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
16h 35m1 stop Madrid Barajas
$1,212British Airways
Fri, Nov 20 - Tue, Nov 24
British Airways Logo
5:25 pm - 5:25 pmLHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
27h 00m1 stop Madrid Barajas
British Airways Logo
7:20 pm - 4:35 pmEZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
18h 15m1 stop Madrid Barajas
$1,214British Airways
Mon, Feb 1 - Tue, Feb 23
British Airways Logo
5:25 pm - 5:25 pmLHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
27h 00m1 stop Madrid Barajas
British Airways Logo
10:45 pm - 5:15 pmEZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
15h 30m1 stop Madrid Barajas
$1,215British Airways
Sat, Feb 27 - Wed, Mar 10
Avianca Logo
9:35 pm - 3:40 pmLHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
21h 05m1 stop Bogotá El Dorado
Avianca Logo
7:25 am - 2:35 pmEZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
28h 10m1 stop Bogotá El Dorado
$1,216Avianca
Thu, Nov 19 - Mon, Nov 30
Iberia Logo
6:10 am - 8:55 pmLHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
17h 45m1 stop Madrid Barajas
Iberia Logo
1:50 pm - 8:25 amEZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
15h 35m1 stop Madrid Barajas
$1,218Iberia
Sun, Jan 3 - Tue, Feb 16
Air Canada Logo
7:25 pm - 3:05 pmLHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
46h 40m3 stops Vienna Intl Toronto Pearson Intl Sao Paulo Guarulhos Intl
Air Canada Logo
4:50 pm - 8:30 amEZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
36h 40m2 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl
$1,220Air Canada
Wed, Feb 17 - Wed, Mar 10
LATAM Airlines Logo
6:15 am - 10:40 amLHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
31h 25m2 stops Madrid Barajas Santiago Arturo Merino Benitez
LATAM Airlines Logo
12:20 pm - 3:25 pmEZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
24h 05m2 stops Santiago Arturo Merino Benitez Madrid Barajas
$1,221LATAM Airlines
Wed, Feb 17 - Fri, Mar 12
American Airlines Logo
4:40 pm - 10:45 amLHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
21h 05m1 stop New York John F Kennedy Intl
American Airlines Logo
10:10 am - 11:15 amEZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
22h 05m2 stops Miami Atlanta Hartsfield-Jackson
$1,225American Airlines
Wed, Jan 27 - Sun, Feb 14

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

Our best LATAM Airlines deals on London Heathrow Airport to Buenos Aires Ministro Pistarini Airport flight tickets
LATAM Airlines
Feb 2
LHR5:25 pmLondon Heathrow
28h 10m
2 stops
EZE6:35 pmBuenos Aires Ministro Pistarini
Feb 19
EZE12:20 pmBuenos Aires Ministro Pistarini
24h 05m
2 stops
LHR3:25 pmLondon Heathrow
$1,226
LATAM Airlines
Feb 17
LHR6:15 amLondon Heathrow
31h 25m
2 stops
EZE10:40 amBuenos Aires Ministro Pistarini
Mar 10
EZE5:00 pmBuenos Aires Ministro Pistarini
18h 05m
1 stop
LHR2:05 pmLondon Heathrow
$1,232
LATAM Airlines
Feb 17
LHR6:15 amLondon Heathrow
31h 25m
2 stops
EZE10:40 amBuenos Aires Ministro Pistarini
Mar 10
EZE5:00 pmBuenos Aires Ministro Pistarini
18h 05m
1 stop
LHR2:05 pmLondon Heathrow
$1,235

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
Jan 5
LHR9:35 pmLondon Heathrow
29h 55m
1 stop
EZE12:30 amBuenos Aires Ministro Pistarini
Feb 2
EZE7:25 amBuenos Aires Ministro Pistarini
28h 10m
1 stop
LHR2:35 pmLondon Heathrow
$1,207
Avianca
Nov 19
LHR9:35 pmLondon Heathrow
21h 05m
1 stop
EZE3:40 pmBuenos Aires Ministro Pistarini
Nov 30
EZE7:25 amBuenos Aires Ministro Pistarini
28h 10m
1 stop
LHR2:35 pmLondon Heathrow
$1,216
Avianca
Nov 1
LHR9:35 pmLondon Heathrow
35h 30m
1 stop
EZE6:05 amBuenos Aires Ministro Pistarini
Nov 22
EZE7:25 amBuenos Aires Ministro Pistarini
28h 10m
1 stop
LHR2:35 pmLondon Heathrow
$1,239

momondo Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport that are best for you.

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Route

Depart

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Price

Cheapest round-trip

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Tue 1/5

9:35 pm-12:30 am

1 stop29h 55m

Buenos Aires Ministro Pistarini

Tue 2/2

7:25 am-2:35 pm

1 stop28h 10m

$1,207

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Thu 11/12

2:30 pm-8:40 am

1 stop21h 10m

Buenos Aires Ministro Pistarini

Thu 11/26

11:59 pm-8:15 am

1 stop29h 16m

$1,211

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Fri 11/20

5:25 pm-5:25 pm

1 stop27h 00m

Buenos Aires Ministro Pistarini

Tue 11/24

7:20 pm-2:55 pm

1 stop16h 35m

$1,212

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Mon 2/1

5:25 pm-5:25 pm

1 stop27h 00m

Buenos Aires Ministro Pistarini

Tue 2/23

7:20 pm-4:35 pm

1 stop18h 15m

$1,214

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Sat 2/27

5:25 pm-5:25 pm

1 stop27h 00m

Buenos Aires Ministro Pistarini

Wed 3/10

10:45 pm-5:15 pm

1 stop15h 30m

$1,215

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Thu 11/19

9:35 pm-3:40 pm

1 stop21h 05m

Buenos Aires Ministro Pistarini

Mon 11/30

7:25 am-2:35 pm

1 stop28h 10m

$1,216
Quickest round-trip

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Sun 1/3

6:10 am-8:55 pm

1 stop17h 45m

Buenos Aires Ministro Pistarini

Tue 2/16

1:50 pm-8:25 am

1 stop15h 35m

$1,218

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Wed 2/17

7:25 pm-3:05 pm

3 stops46h 40m

Buenos Aires Ministro Pistarini

Wed 3/10

4:50 pm-8:30 am

2 stops36h 40m

$1,220

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Wed 2/17

6:15 am-10:40 am

2 stops31h 25m

Buenos Aires Ministro Pistarini

Fri 3/12

12:20 pm-3:25 pm

2 stops24h 05m

$1,221

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Wed 1/27

4:40 pm-10:45 am

1 stop21h 05m

Buenos Aires Ministro Pistarini

Sun 2/14

10:10 am-11:15 am

2 stops22h 05m

$1,225

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $1,112 to $1,594.
The lowest price recently found on this route was $1,207.

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

If you aren’t able to travel during the month of May, 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 May, still average around $1,153.

How far in advance should I book a flight from London Heathrow Airport 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 $1,375 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 $1,138 on momondo.

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

As of September 2026, prices for London Heathrow Airport to Buenos Aires Ministro Pistarini Airport flights are approximately 6% cheaper 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

Best Price Found

$642

Fastest flight time

16h 55m

Direct flights

Mon, Tue, Sat and Sun
The best one-way flight to Buenos Aires Ministro Pistarini Airport from London Heathrow Airport in the past 72 hours is $642. The best round-trip flight deal from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport found on momondo in the last 72 hours is $1,207.
The fastest flight from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport takes 16h 55m
Direct flights go from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport on Monday, Tuesday, Saturday and Sunday. There are no airlines offering direct flights.
Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport

  • 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 55m 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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