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Cheap flights from London Heathrow Airport to Argentina from £468

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — EZE
31 Aug — 7 Sep1
1 adult

Cheap flight deals from Heathrow to Argentina

Keep the following information in mind while searching for Heathrow to Argentina flight deals. Data was last updated 26 August 2025.

Round-trip from

£720

One-way from

£468

Popular in

December

Cheapest in

March

Average price

£1,050

Good round-trip deal

£1,194 or less
Avianca
  • Avianca
  • 10/11-4/12
  • 2 total stops
  • 39h 50m total
  • London to Argentina
Search Deals
24/11
  • 24/11
  • 3 total stops
  • 39h 43m total
  • London to Argentina
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£35 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals
Price to beat on a round-trip flight from London Heathrow to Argentina.
Search Deals

Find flight deals from Heathrow to Argentina

Cheapest flights from Heathrow to Argentina
Explore the most affordable flight options available from Heathrow to Argentina. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2025.

Mon 10/1121:40LHR - EZE
1 stop21h 10mAvianca
Tue 2/1207:35EZE - LHR
1 stop28h 00mAvianca
Deal found 25/8£720
Fri 12/908:30LHR - EZE
1 stop25h 55mLufthansa
Tue 21/1016:40EZE - LHR
1 stop18h 00mLufthansa
Deal found 25/8£724
Sat 1/1121:40LHR - EZE
1 stop21h 10mAvianca
Sun 23/1116:55EZE - LHR
1 stop18h 40mAvianca
Deal found 25/8£725
Tue 18/1121:40LHR - EZE
1 stop21h 10mAvianca
Tue 9/1207:35EZE - LHR
1 stop28h 00mAvianca
Deal found 24/8£726
Thu 18/922:05LHR - EZE
1 stop30h 05mAvianca
Sun 19/1001:40EZE - LHR
1 stop33h 55mAvianca
Deal found 25/8£728
Sat 13/922:05LHR - EZE
1 stop30h 05mAvianca
Fri 10/1001:40EZE - LHR
1 stop33h 55mAvianca
Deal found 24/8£729
Thu 20/1121:40LHR - EZE
1 stop21h 10mAvianca
Sat 6/1216:55EZE - LHR
1 stop18h 40mAvianca
Deal found 25/8£729
Thu 18/922:05LHR - EZE
1 stop30h 05mAvianca
Wed 22/1006:50EZE - LHR
1 stop28h 45mAvianca
Deal found 25/8£731
Tue 2/906:30LHR - EZE
1 stop26h 45mKLM
Mon 29/914:40EZE - LHR
1 stop19h 10mKLM
Deal found 24/8£732
Fri 5/906:15LHR - EZE
1 stop19h 30mAir France
Thu 25/923:55EZE - LHR
1 stop17h 30mAir France
Deal found 25/8£732
Sun 9/1121:40LHR - EZE
1 stop21h 10mAvianca
Sat 6/1216:55EZE - LHR
1 stop18h 40mAvianca
Deal found 25/8£733
Mon 15/922:05LHR - EZE
1 stop35h 40mAvianca
Tue 21/1001:40EZE - LHR
1 stop33h 55mAvianca
Deal found 25/8£734

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Argentina 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, Cheapflights users made 858,174 searches. Data last updated 26 August 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Argentina that are best for you.

Fly from

Heathrow

Fly to

Argentina

Route

Depart

Return

Price

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Wed 18/2

21:40-15:50

1 stop21h 10m

Buenos Aires Ministro Pistarini

Wed 18/3

07:35-14:35

1 stop28h 00m

£726

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Sat 6/9

22:05-05:45

1 stop35h 40m

Buenos Aires Ministro Pistarini

Sun 21/9

01:40-15:35

1 stop33h 55m

£753

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Tue 11/11

21:40-05:40

1 stop35h 00m

Buenos Aires Jorge Newbery

Tue 25/11

07:00-14:35

1 stop28h 35m

£769

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Thu 18/9

22:05-05:40

1 stop35h 35m

Buenos Aires Jorge Newbery

Wed 22/10

07:00-15:35

1 stop28h 35m

£769

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Thu 4/9

22:05-05:40

1 stop35h 35m

Buenos Aires Jorge Newbery

Wed 22/10

07:00-15:35

1 stop28h 35m

£778

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Fri 5/9

13:30-06:25

1 stop20h 55m

Buenos Aires Ministro Pistarini

Mon 29/9

16:40-22:10

1 stop25h 30m

£786

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Mon 8/9

13:40-08:00

1 stop22h 20m

Buenos Aires Ministro Pistarini

Mon 29/9

21:00-07:40

1 stop30h 40m

£786

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Sun 7/9

16:40-08:00

2 stops43h 20m

Buenos Aires Ministro Pistarini

Tue 23/9

21:00-06:55

2 stops29h 55m

£786

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Mon 27/10

10:00-06:20

1 stop23h 20m

Buenos Aires Ministro Pistarini

Fri 14/11

23:55-10:15

1 stop31h 20m

£786

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Sun 7/9

16:40-08:00

2 stops43h 20m

Buenos Aires Ministro Pistarini

Mon 29/9

21:00-05:55

2 stops28h 55m

£786

Flights are sorted by cheapest return flights first.

Deals found on 25/8

Showing 1-10 of 57 results
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Best time to book a flight from Heathrow to Argentina

Have a flexible travel schedule? Discover the best time to fly to Argentina from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Argentina

What is the cheapest month to book a flight from London Heathrow Airport to Argentina?

Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Argentina (average of £1,012). Flying from London Heathrow Airport to Argentina in December is currently the most expensive (average of £1,250). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to AR?

Find hourly flight availability from Heathrow to Argentina. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 August 2025.

When flying from London Heathrow Airport to Argentina, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from London Heathrow Airport to Argentina

Explore weekly flight availability from Heathrow to Argentina. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 26 August 2025.

The most flights from LHR to AR0 are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Reviews of airlines servicing Argentina

Get insights into the airlines that provide service to Argentina. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Argentina. Reviews last updated 26 August 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Argentina, such as Finnair, LATAM Airlines, andIberia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,320 reviews
Check prices

Comfort

7.5

Boarding

7.6

Food

6.7

Crew

8.1

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.
Finnair
7.6
Good
1,320 reviews
Finnair
7.6
Good
1,320 reviews
Check prices

Comfort

7.5

Boarding

7.6

Food

6.7

Crew

8.1

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.
LATAM Airlines
7.5
Good
1,843 reviews
Finnair
7.6
Good
1,320 reviews
Check prices

Comfort

7.5

Boarding

7.6

Food

6.7

Crew

8.1

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.
Iberia
7.0
Good
2,891 reviews
Finnair
7.6
Good
1,320 reviews
Check prices

Comfort

7.5

Boarding

7.6

Food

6.7

Crew

8.1

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.
Lufthansa
6.8
Okay
7,359 reviews
Finnair
7.6
Good
1,320 reviews
Check prices

Comfort

7.5

Boarding

7.6

Food

6.7

Crew

8.1

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.
British Airways
6.7
Okay
7,309 reviews
Finnair
7.6
Good
1,320 reviews
Check prices

Comfort

7.5

Boarding

7.6

Food

6.7

Crew

8.1

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Argentina. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London Heathrow Airport to Argentina?

    A quick flight from London Heathrow Airport to Argentina can take about 20h 55m. Avianca provides one of the quickest options available for as low as £786. Airlines will cover a distance of 6915 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from London Heathrow Airport to Argentina one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as £481. However, be on the lookout for offers from Avianca and LATAM Airlines, as they are both options that can get you from London Heathrow Airport to Argentina for a low price.

  • What are the most popular routes from London Heathrow Airport to Argentina?

    The most popular route from London Heathrow Airport to Argentina is London Heathrow - Buenos Aires Ministro Pistarini. You may also consider London Heathrow - Buenos Aires Jorge Newbery or London Heathrow - Mendoza El Plumerillo.

  • What are the cheapest flights from London Heathrow Airport to Argentina?

    While on average a flight from London Heathrow Airport to Argentina is generally £1,927, our data shows the cheapest flight currently is £974. When looking at the most popular route, (London Heathrow - Buenos Aires Ministro Pistarini), you can expect to pay £682 for that flight.

  • Can I find deals for flights from Heathrow to Argentina that include hotel bookings?

    Yes. In addition to deals on Heathrow to Argentina flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Argentina?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Argentina.

  • Can I find deals for business class flights from Heathrow to Argentina?

    Yes. Cheapflights offers flight deals from Heathrow to Argentina by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Argentina?

    Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Argentina (average of £1,012). Flying from London Heathrow Airport to Argentina in December is currently the most expensive (average of £1,250). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Heathrow to Argentina

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Guarulhos Intl flights
Heathrow to Rio de Janeiro–Galeão Intl flights
Heathrow to Ministro Pistarini flights
London City to Guarulhos Intl flights
Gatwick to Guarulhos Intl flights
Heathrow to Santos Dumont flights
Heathrow to Viracopos flights
London City to Rio de Janeiro–Galeão Intl flights
Heathrow to Jorge Newbery flights
Heathrow to Santiago flights
Gatwick to Rio de Janeiro–Galeão Intl flights
Heathrow to Bogotá flights
Gatwick to Ministro Pistarini flights
London City to Ministro Pistarini flights
Gatwick to Santos Dumont flights
Heathrow to Lima flights
Gatwick to Viracopos flights
Stansted to Guarulhos Intl flights
Heathrow to Congonhas flights
Gatwick to Lima flights
Luton to Guarulhos Intl flights
Gatwick to Santiago flights
Gatwick to Bogotá flights
London City to Lima flights
London City to Bogotá flights
London City to Santiago flights
Heathrow to Quito flights
Stansted to Rio de Janeiro–Galeão Intl flights
Luton to Ministro Pistarini flights
London City to Jorge Newbery flights
Heathrow to Cali flights
Stansted to Bogotá flights
Heathrow to Montevideo flights
Stansted to Santiago flights
Gatwick to Quito flights
Stansted to Lima flights
Heathrow to Jose Maria Cordova Intl flights
Gatwick to Montevideo flights
London City to Quito flights
London City to Montevideo flights
Heathrow to Salvador flights
Luton to Bogotá flights

Top 7 airlines flying from Heathrow to Argentina

Discover the top 7 airlines that operate flights from Heathrow to Argentina. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 26 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£444Average£1,126FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air CanadaCheapest£641Average£682FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IberiaCheapest£707Average£964FlexibilityNo cancel feeOn-time77%
Search Iberia flights
FinnairCheapest£734Average£940FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£770Average£1,050FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£817Average£1,182FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
LATAM AirlinesCheapest£833Average£1,126FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Argentina?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Argentina. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Argentina?

Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Argentina for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Heathrow to Argentina with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Argentina flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Heathrow to Argentina become cheaper?

Yes! Start tracking prices for Heathrow to Argentina flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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