Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from London Heathrow Airport to Buenos Aires from £497

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 10/11. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from London Heathrow Airport to Buenos Aires

Cheap return flights

Avianca Logo
21:40 - 15:50LHR-EZE
21h 10m1 stop
Avianca Logo
01:40 - 14:35EZE-LHR
33h 55m1 stop
£729Avianca
Find Deal
Sat, 7 Mar - Mon, 23 Mar
Avianca Logo
21:40 - 05:50LHR-EZE
35h 10m1 stop
Avianca Logo
01:40 - 14:35EZE-LHR
33h 55m1 stop
£732Avianca
Find Deal
Sat, 15 Nov - Fri, 21 Nov
Avianca Logo
21:40 - 05:50LHR-EZE
35h 10m1 stop
Avianca Logo
07:35 - 14:35EZE-LHR
28h 00m1 stop
£734Avianca
Find Deal
Tue, 4 Nov - Tue, 24 Feb
United Airlines Logo
12:05 - 08:20LHR-EZE
23h 15m1 stop
United Airlines Logo
23:55 - 07:30EZE-LHR
28h 35m1 stop
£738United Airlines
Find Deal
Sun, 26 Oct - Sat, 8 Nov
United Airlines Logo
13:40 - 08:00LHR-EZE
22h 20m1 stop
United Airlines Logo
22:55 - 07:30EZE-LHR
29h 35m1 stop
£756United Airlines
Find Deal
Mon, 13 Oct - Mon, 27 Oct
Air Canada Logo
13:25 - 15:10LHR-EZE
28h 45m2 stops
Air Canada Logo
16:45 - 07:10EZE-LHR
35h 25m2 stops
£770Air Canada
Find Deal
Fri, 13 Mar - Fri, 20 Mar
Air Canada Logo
13:25 - 15:10LHR-EZE
28h 45m2 stops
Air Canada Logo
16:45 - 07:10EZE-LHR
35h 25m2 stops
£772Air Canada
Find Deal
Thu, 22 Jan - Mon, 2 Feb
Lufthansa Logo
12:05 - 09:20LHR-EZE
24h 15m1 stop
Lufthansa Logo
23:55 - 10:50EZE-LHR
31h 55m2 stops
£801Lufthansa
Find Deal
Tue, 4 Nov - Sun, 23 Nov
Air France Logo
06:20 - 20:20LHR-EZE
17h 00m1 stop
Air France Logo
22:40 - 21:25EZE-LHR
19h 45m1 stop
£815Air France
Find Deal
Sat, 29 Nov - Mon, 8 Dec
Lufthansa Logo
13:40 - 08:20LHR-EZE
22h 40m1 stop
Lufthansa Logo
22:05 - 09:40EZE-LHR
32h 35m2 stops
£822Lufthansa
Find Deal
Sat, 25 Oct - Sat, 8 Nov

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
7 Mar
LHR21:40London Heathrow
21h 10m
1 stop
EZE15:50Buenos Aires Ministro Pistarini
23 Mar
EZE01:40Buenos Aires Ministro Pistarini
33h 55m
1 stop
LHR14:35London Heathrow
£729
Find similar
Avianca
15 Nov
LHR21:40London Heathrow
35h 10m
1 stop
EZE05:50Buenos Aires Ministro Pistarini
21 Nov
EZE01:40Buenos Aires Ministro Pistarini
33h 55m
1 stop
LHR14:35London Heathrow
£732
Find similar
Avianca
4 Nov
LHR21:40London Heathrow
35h 10m
1 stop
EZE05:50Buenos Aires Ministro Pistarini
24 Feb
EZE07:35Buenos Aires Ministro Pistarini
28h 00m
1 stop
LHR14:35London Heathrow
£734
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
26 Oct
LHR12:05London Heathrow
23h 15m
1 stop
EZE08:20Buenos Aires Ministro Pistarini
8 Nov
EZE23:55Buenos Aires Ministro Pistarini
28h 35m
1 stop
LHR07:30London Heathrow
£738
Find similar
United Airlines
13 Oct
LHR13:40London Heathrow
22h 20m
1 stop
EZE08:00Buenos Aires Ministro Pistarini
27 Oct
EZE22:55Buenos Aires Ministro Pistarini
29h 35m
1 stop
LHR07:30London Heathrow
£756
Find similar
United Airlines
15 Nov
LHR11:35London Heathrow
46h 45m
2 stops
EZE07:20Buenos Aires Ministro Pistarini
22 Nov
EZE23:55Buenos Aires Ministro Pistarini
28h 35m
1 stop
LHR07:30London Heathrow
£757
Find similar

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 29 September 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

Sat 7/3

21:40-15:50

1 stop21h 10m

Buenos Aires Ministro Pistarini

Mon 23/3

01:40-14:35

1 stop33h 55m

£729

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Sat 15/11

21:40-05:50

1 stop35h 10m

Buenos Aires Ministro Pistarini

Fri 21/11

01:40-14:35

1 stop33h 55m

£732

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Tue 4/11

21:40-05:50

1 stop35h 10m

Buenos Aires Ministro Pistarini

Tue 24/2

07:35-14:35

1 stop28h 00m

£734

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Sun 26/10

12:05-08:20

1 stop23h 15m

Buenos Aires Ministro Pistarini

Sat 8/11

23:55-07:30

1 stop28h 35m

£738

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Mon 13/10

13:40-08:00

1 stop22h 20m

Buenos Aires Ministro Pistarini

Mon 27/10

22:55-07:30

1 stop29h 35m

£756

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Fri 13/3

13:25-15:10

2 stops28h 45m

Buenos Aires Ministro Pistarini

Fri 20/3

16:45-07:10

2 stops35h 25m

£770

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Thu 22/1

13:25-15:10

2 stops28h 45m

Buenos Aires Ministro Pistarini

Mon 2/2

16:45-07:10

2 stops35h 25m

£772

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Tue 4/11

12:05-09:20

1 stop24h 15m

Buenos Aires Ministro Pistarini

Sun 23/11

23:55-10:50

2 stops31h 55m

£801

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Sat 29/11

06:20-20:20

1 stop17h 00m

Buenos Aires Ministro Pistarini

Mon 8/12

22:40-21:25

1 stop19h 45m

£815

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Sat 25/10

13:40-08:20

1 stop22h 40m

Buenos Aires Ministro Pistarini

Sat 8/11

22:05-09:40

2 stops32h 35m

£822

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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 May instead. Flights to Buenos Aires Ministro Pistarini Airport in May, while not as cheap as those in February, still average around £882.

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

The cheapest day to depart on your flight to Buenos Aires Ministro Pistarini Airport is on a Monday when prices can be found for as low as £999. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires Ministro Pistarini Airport on Friday is £1,133.

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

In the afternoon is the cheapest time of day to fly from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport when you can find flight prices for as low as £830. Flying to Buenos Aires Ministro Pistarini Airport in the afternoon is an ideal time because this is during off-peak travel hours. In the evening is when there is more demand to fly to Buenos Aires Ministro Pistarini Airport, so prices are often more expensive at around £1,064 per ticket.

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 £1,017 when searching weeks before you fly. 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 £869 on momondo.

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

There are 2 cabin classes 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 September 2025, prices for London Heathrow Airport to Buenos Aires Ministro Pistarini Airport flights are approximately 4% 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 return 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

£1,500

Fastest flight time

16h 25m

Direct flights

Every day
The best flight deal from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport found on momondo in the last 72 hours is £1,500
The fastest flight from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport takes 16h 25m
Direct flights go from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport every day.
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. By plane, this route typically takes 17h 00m.

  • 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 travel and health documents you'll need for your trip to Buenos Aires Ministro Pistarini Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buenos Aires Ministro Pistarini Airport. It is always advisable to seek advice from your airline or a trusted 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
Air FrancePriceFrom £447Free CancellationRating
7.4
1,468 reviews
Search Air France flights
Air CanadaPriceFrom £645Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
AviancaPriceFrom £708Free CancellationRating
6.7
2,444 reviews
Search Avianca flights
IberiaPriceFrom £713Free CancellationRating
7.0
2,959 reviews
Search Iberia flights
FinnairPriceFrom £738Free CancellationRating
7.6
1,329 reviews
Search Finnair flights
British AirwaysPriceFrom £801Free CancellationRating
6.7
7,406 reviews
Search British Airways flights
LufthansaPriceFrom £822Free CancellationRating
6.8
7,435 reviews
Search Lufthansa flights

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

    Finnair operates around 7 flights from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport every week. The average price of these flights found in the last 72 hours has been £1,245, but momondo users have found Finnair deals from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport from as low as £990 round-trip. Finnair has been scored 7.6/10 in 1,329 reviews.

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

    £956 is the best Iberia flight deal from London Heathrow Airport to Buenos Aires Ministro Pistarini Airport found on momondo over the last 72 hours. The average Iberia ticket price found was closer to £1,323, however, with flight time and availability significantly affecting the price. Iberia (7.0/10 from 2,959 user reviews) flies into Buenos Aires Ministro Pistarini Airport from London Heathrow Airport 7 times in an average week so prices can vary.

Why use momondo?

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

It is quick and easy to find London to Buenos Aires flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Buenos Aires that suits you.

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?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Buenos Aires.

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.

An easier way to manage your Buenos Aires Ministro Pistarini Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 29/10
Wed 5/11
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Buenos Aires

Popular Cities in Argentina

Popular flights according to clicks in the last 7 days on momondo
Flights to Buenos Aires Jorge Newbery Airportfrom £817