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Cheap flights from London Heathrow Airport to Buenos Aires from $739

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.
British Airways Logo
7:05 pm - 5:25 pmLHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
25h 20m1 stop Madrid Barajas
British Airways Logo
3:10 pm - 8:30 amEZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
13h 20mnonstop
$1,281British Airways
Sun, Mar 21 - Mon, Apr 5
LATAM Airlines Logo
7:05 pm - 6:35 pmLHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
26h 30m2 stops Madrid Barajas Lima J Chavez Intl
LATAM Airlines Logo
2:55 pm - 2:25 pmEZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
20h 30m2 stops Florianopolis Hercilio Luz Sao Paulo Guarulhos Intl
$1,282LATAM Airlines
Tue, Feb 2 - Sun, Feb 28
Air Canada Logo
3:00 pm - 3:05 pmLHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
27h 05m2 stops Toronto Pearson Intl Sao Paulo Guarulhos Intl
Air Canada Logo
4:50 pm - 6:30 amEZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
34h 40m2 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl
$1,284Air Canada
Fri, Feb 26 - Mon, Mar 15
United Airlines Logo
7:25 am - 8:00 amLHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
28h 35m2 stops Munich Franz Josef Strauss Houston George Bush Intcntl
United Airlines Logo
9:00 pm - 11:35 amEZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
34h 35m1 stop Houston George Bush Intcntl
$1,287United Airlines
Tue, Apr 6 - Thu, Apr 22
British Airways Logo
7:40 pm - 5:25 pmLHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
24h 45m1 stop Madrid Barajas
British Airways Logo
3:10 pm - 8:30 amEZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
13h 20mnonstop
$1,288British Airways
Wed, Mar 17 - Tue, Apr 6
Air Canada Logo
1:00 pm - 3:05 pmLHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
29h 05m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Sao Paulo Guarulhos Intl
Air Canada Logo
4:50 pm - 7:10 amEZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
35h 20m3 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
$1,289Air Canada
Fri, Feb 26 - Mon, Mar 15
Air Canada Logo
3:00 pm - 3:05 pmLHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
27h 05m2 stops Toronto Pearson Intl Sao Paulo Guarulhos Intl
Air Canada Logo
4:50 pm - 7:10 amEZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
35h 20m3 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
$1,291Air Canada
Tue, Mar 2 - Sat, Mar 20
British Airways Logo
8:25 am - 5:25 pmLHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
36h 00m1 stop Madrid Barajas
British Airways Logo
3:10 pm - 8:30 amEZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
13h 20mnonstop
$1,292British Airways
Tue, Mar 23 - Mon, Apr 5
Air Canada Logo
9:00 am - 3:05 pmLHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
33h 05m3 stops Zurich Toronto Pearson Intl Sao Paulo Guarulhos Intl
Air Canada Logo
4:50 pm - 7:10 amEZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
35h 20m3 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
$1,294Air Canada
Tue, Mar 2 - Sat, Mar 20
United Airlines Logo
6:55 am - 8:00 amLHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
29h 05m2 stops Munich Franz Josef Strauss Houston George Bush Intcntl
United Airlines Logo
9:00 pm - 6:45 amEZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
53h 45m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
$1,295United Airlines
Mon, Apr 19 - Sun, Apr 25

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Air Canada flights from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport

Our best Air Canada deals on London Heathrow Airport to Buenos Aires Ministro Pistarini Airport flight tickets
Air Canada
Feb 26
LHR3:00 pmLondon Heathrow
27h 05m
2 stops
EZE3:05 pmBuenos Aires Ministro Pistarini
Mar 15
EZE4:50 pmBuenos Aires Ministro Pistarini
34h 40m
2 stops
LHR6:30 amLondon Heathrow
$1,284
Air Canada
Feb 26
LHR1:00 pmLondon Heathrow
29h 05m
3 stops
EZE3:05 pmBuenos Aires Ministro Pistarini
Mar 15
EZE4:50 pmBuenos Aires Ministro Pistarini
35h 20m
3 stops
LHR7:10 amLondon Heathrow
$1,289
Air Canada
Mar 2
LHR3:00 pmLondon Heathrow
27h 05m
2 stops
EZE3:05 pmBuenos Aires Ministro Pistarini
Mar 20
EZE4:50 pmBuenos Aires Ministro Pistarini
35h 20m
3 stops
LHR7:10 amLondon Heathrow
$1,291

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

Our best KLM deals on London Heathrow Airport to Buenos Aires Ministro Pistarini Airport flight tickets
KLM
Nov 17
LHR8:25 pmLondon Heathrow
26h 55m
2 stops
EZE8:20 pmBuenos Aires Ministro Pistarini
Nov 21
EZE5:00 pmBuenos Aires Ministro Pistarini
16h 05m
1 stop
LHR12:05 pmLondon Heathrow
$1,282
KLM
Nov 14
LHR11:15 amLondon Heathrow
23h 30m
1 stop
EZE7:45 amBuenos Aires Ministro Pistarini
Nov 19
EZE5:00 pmBuenos Aires Ministro Pistarini
21h 00m
1 stop
LHR5:00 pmLondon Heathrow
$1,659

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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Depart

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Price

Cheapest round-trip

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Sun 3/21

7:05 pm-5:25 pm

1 stop25h 20m

Buenos Aires Ministro Pistarini

Mon 4/5

3:10 pm-8:30 am

Nonstop13h 20m

$1,281

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Tue 2/2

7:05 pm-6:35 pm

2 stops26h 30m

Buenos Aires Ministro Pistarini

Sun 2/28

2:55 pm-2:25 pm

2 stops20h 30m

$1,282

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Fri 2/26

3:00 pm-3:05 pm

2 stops27h 05m

Buenos Aires Ministro Pistarini

Mon 3/15

4:50 pm-6:30 am

2 stops34h 40m

$1,284

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Tue 4/6

7:25 am-8:00 am

2 stops28h 35m

Buenos Aires Ministro Pistarini

Thu 4/22

9:00 pm-11:35 am

1 stop34h 35m

$1,287
Quickest round-trip

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Wed 3/17

7:40 pm-5:25 pm

1 stop24h 45m

Buenos Aires Ministro Pistarini

Tue 4/6

3:10 pm-8:30 am

Nonstop13h 20m

$1,288

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Fri 2/26

1:00 pm-3:05 pm

3 stops29h 05m

Buenos Aires Ministro Pistarini

Mon 3/15

4:50 pm-7:10 am

3 stops35h 20m

$1,289

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Tue 3/2

3:00 pm-3:05 pm

2 stops27h 05m

Buenos Aires Ministro Pistarini

Sat 3/20

4:50 pm-7:10 am

3 stops35h 20m

$1,291

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Tue 3/23

8:25 am-5:25 pm

1 stop36h 00m

Buenos Aires Ministro Pistarini

Mon 4/5

3:10 pm-8:30 am

Nonstop13h 20m

$1,292

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Tue 3/2

9:00 am-3:05 pm

3 stops33h 05m

Buenos Aires Ministro Pistarini

Sat 3/20

4:50 pm-7:10 am

3 stops35h 20m

$1,294

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Mon 4/19

6:55 am-8:00 am

2 stops29h 05m

Buenos Aires Ministro Pistarini

Sun 4/25

9:00 pm-6:45 am

2 stops53h 45m

$1,295

Flights are sorted by cheapest round-trip flights 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 $1,266 to $1,534.
The lowest price recently found on this route was $1,281.

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 October instead. Flights to Buenos Aires Ministro Pistarini Airport in October, while not as cheap as those in May, still average around $1,294.

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 $1,403 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 $1,273 on momondo.

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

As of November 2026, prices for London Heathrow Airport to Buenos Aires Ministro Pistarini Airport flights are approximately 17% 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

$739

Fastest flight time

14h 00m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun
The best one-way flight to Buenos Aires Ministro Pistarini Airport from London Heathrow Airport in the past 72 hours is $739. 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 $1,281.
The fastest flight from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport takes 14h 00m
Direct flights go from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport on Tuesday, Wednesday, Thursday, Friday, 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. 14h 00m 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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