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Cheap flights from London Heathrow Airport to Buenos Aires from $595

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 8/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
Multiple Airlines Logo
9:40 pm - 3:50 pm
LHR
-
EZE
21h 10m
1 stop
Multiple Airlines Logo
7:30 am - 9:15 am
EZE
-
LHR
22h 45m
2 stops
$1,162Multiple Airlines
Sun, Nov 8 - Sat, Nov 28
Multiple Airlines Logo
4:30 pm - 7:50 pm
LHR
-
EZE
30h 20m
1 stop
Multiple Airlines Logo
2:40 pm - 4:20 pm
EZE
-
LHR
22h 40m
2 stops
$1,175Multiple Airlines
Mon, Nov 16 - Wed, Nov 25
Multiple Airlines Logo
4:30 pm - 7:50 pm
LHR
-
EZE
30h 20m
1 stop
Multiple Airlines Logo
2:40 pm - 4:20 pm
EZE
-
LHR
22h 40m
2 stops
$1,176Multiple Airlines
Mon, Nov 16 - Wed, Nov 25
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
$1,188Avianca
Fri, Aug 14 - Fri, Aug 21
Lufthansa Logo
3:30 pm - 6:25 am
LHR
-
EZE
18h 55m
1 stop
Lufthansa Logo
4:35 pm - 2:40 pm
EZE
-
LHR
18h 05m
1 stop
$1,189Lufthansa
Mon, Aug 24 - Tue, Sep 29
British Airways Logo
8:00 pm - 4:05 pm
LHR
-
EZE
24h 05m
1 stop
British Airways Logo
5:50 pm - 2:55 pm
EZE
-
LHR
17h 05m
1 stop
$1,193British Airways
Fri, Aug 21 - Mon, Sep 28
British Airways Logo
8:00 pm - 4:05 pm
LHR
-
EZE
24h 05m
1 stop
British Airways Logo
1:00 pm - 9:30 am
EZE
-
LHR
16h 30m
1 stop
$1,194British Airways
Fri, Aug 21 - Tue, Sep 29
SWISS Logo
6:40 pm - 10:50 am
LHR
-
EZE
20h 10m
2 stops
SWISS Logo
1:30 pm - 1:00 pm
EZE
-
LHR
19h 30m
2 stops
$1,199SWISS
Tue, Aug 25 - Wed, Sep 30
American Airlines Logo
9:55 am - 7:15 am
LHR
-
EZE
25h 20m
1 stop
American Airlines Logo
8:45 pm - 9:00 am
EZE
-
LHR
32h 15m
1 stop
$1,201American Airlines
Mon, Sep 28 - Fri, Oct 2
SWISS Logo
6:40 pm - 10:50 am
LHR
-
EZE
20h 10m
2 stops
SWISS Logo
1:30 pm - 1:00 pm
EZE
-
LHR
19h 30m
2 stops
$1,206SWISS
Tue, Aug 25 - Wed, Sep 30

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

Our best Delta deals on London Heathrow Airport to Buenos Aires Ministro Pistarini Airport flight tickets
Delta
Nov 15
LHR4:10 pmLondon Heathrow
21h 45m
1 stop
EZE10:55 amBuenos Aires Ministro Pistarini
Nov 23
EZE11:35 pmBuenos Aires Ministro Pistarini
29h 30m
2 stops
LHR8:05 amLondon Heathrow
$1,240
Delta
Sep 2
LHR9:20 amLondon Heathrow
28h 25m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
Sep 8
EZE8:10 pmBuenos Aires Ministro Pistarini
37h 05m
1 stop
LHR1:15 pmLondon Heathrow
$1,243
Delta
Aug 17
LHR1:25 pmLondon Heathrow
24h 20m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
Aug 26
EZE8:10 pmBuenos Aires Ministro Pistarini
30h 15m
1 stop
LHR6:25 amLondon Heathrow
$1,244

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
Aug 14
LHR10:05 pmLondon Heathrow
21h 35m
1 stop
EZE3:40 pmBuenos Aires Ministro Pistarini
Aug 21
EZE4:50 pmBuenos Aires Ministro Pistarini
18h 45m
1 stop
LHR3:35 pmLondon Heathrow
$1,188
Avianca
Nov 12
LHR9:40 pmLondon Heathrow
21h 10m
1 stop
EZE3:50 pmBuenos Aires Ministro Pistarini
Dec 18
EZE7:30 amBuenos Aires Ministro Pistarini
28h 05m
1 stop
LHR2:35 pmLondon Heathrow
$1,238
Avianca
Aug 13
LHR10:05 pmLondon Heathrow
30h 20m
1 stop
EZE12:25 amBuenos Aires Ministro Pistarini
Aug 20
EZE7:10 amBuenos Aires Ministro Pistarini
28h 25m
1 stop
LHR3:35 pmLondon Heathrow
$1,239

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 July 3, 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

Cheapest round-trip

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Sun 11/8

9:40 pm-3:50 pm

1 stop21h 10m

Buenos Aires Ministro Pistarini

Sat 11/28

7:30 am-9:15 am

2 stops22h 45m

$1,162

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Mon 11/16

4:30 pm-7:50 pm

1 stop30h 20m

Buenos Aires Ministro Pistarini

Wed 11/25

2:40 pm-4:20 pm

2 stops22h 40m

$1,175

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Mon 11/16

4:30 pm-7:50 pm

1 stop30h 20m

Buenos Aires Ministro Pistarini

Wed 11/25

2:40 pm-4:20 pm

2 stops22h 40m

$1,176

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Fri 8/14

10:05 pm-3:40 pm

1 stop21h 35m

Buenos Aires Ministro Pistarini

Fri 8/21

4:50 pm-3:35 pm

1 stop18h 45m

$1,188
Quickest round-trip

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Mon 8/24

3:30 pm-6:25 am

1 stop18h 55m

Buenos Aires Ministro Pistarini

Tue 9/29

4:35 pm-2:40 pm

1 stop18h 05m

$1,189

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Fri 8/21

8:00 pm-4:05 pm

1 stop24h 05m

Buenos Aires Ministro Pistarini

Mon 9/28

5:50 pm-2:55 pm

1 stop17h 05m

$1,193

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Fri 8/21

8:00 pm-4:05 pm

1 stop24h 05m

Buenos Aires Ministro Pistarini

Tue 9/29

1:00 pm-9:30 am

1 stop16h 30m

$1,194

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Tue 8/25

6:40 pm-10:50 am

2 stops20h 10m

Buenos Aires Ministro Pistarini

Wed 9/30

1:30 pm-1:00 pm

2 stops19h 30m

$1,199

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Mon 9/28

9:55 am-7:15 am

1 stop25h 20m

Buenos Aires Ministro Pistarini

Fri 10/2

8:45 pm-9:00 am

1 stop32h 15m

$1,201

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Tue 8/25

6:40 pm-10:50 am

2 stops20h 10m

Buenos Aires Ministro Pistarini

Wed 9/30

1:30 pm-1:00 pm

2 stops19h 30m

$1,206

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 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 $1,161.

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 $1,409 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 $1,034 on momondo.

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

As of July 2026, prices for London Heathrow Airport to Buenos Aires Ministro Pistarini Airport flights are approximately 50% 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

21h 10m

Direct flights

Thu and Sun
The fastest flight from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport takes 21h 10m
Direct flights go from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport on Thursday and Sunday. There are no airlines offering direct flights.
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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. 21h 10m 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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