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Cheap flights from London Heathrow Airport to Argentina from £465

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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — EZE
23 Nov — 30 Nov1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Heathrow to Argentina

Enter your travel dates to find the best prices.

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 24 October 2025.

Wed 3/1218:30LHR - EZE
1 stop16h 25mLufthansa
Thu 4/1217:45EZE - LHR
1 stop16h 05mLufthansa
Deal found 23/10£757
Tue 2/1218:30LHR - EZE
1 stop16h 25mLufthansa
Sun 7/1217:45EZE - LHR
1 stop16h 05mLufthansa
Deal found 23/10£758
Tue 18/1117:10LHR - EZE
2 stops21h 40mSWISS
Wed 26/1114:40EZE - LHR
2 stops24h 10mSWISS
Deal found 23/10£762
Thu 6/1110:00LHR - EZE
1 stop24h 20mLufthansa
Sun 9/1122:05EZE - LHR
1 stop30h 25mLufthansa
Deal found 23/10£766
Wed 3/1209:55LHR - EZE
2 stops25h 50mMultiple Airlines
Wed 10/1213:50EZE - LHR
2 stops25h 10mMultiple Airlines
Deal found 22/10£769
Mon 24/1118:40LHR - EZE
2 stops33h 20mMultiple Airlines
Sun 7/1217:45EZE - LHR
1 stop19h 05mMultiple Airlines
Deal found 23/10£771
Tue 18/1121:40LHR - EZE
1 stop35h 10mAvianca
Tue 9/1216:55EZE - LHR
1 stop18h 40mAvianca
Deal found 23/10£774
Mon 17/1107:40LHR - EZE
2 stops28h 40mUnited Airlines
Tue 25/1122:05EZE - LHR
1 stop33h 10mUnited Airlines
Deal found 23/10£775
Mon 3/1107:40LHR - EZE
2 stops28h 40mUnited Airlines
Thu 13/1122:05EZE - LHR
2 stops29h 35mUnited Airlines
Deal found 22/10£777
Sat 15/1111:10LHR - EZE
2 stops49h 10mUnited Airlines
Sat 22/1123:55EZE - LHR
1 stop31h 20mUnited Airlines
Deal found 23/10£783
Thu 6/1112:05LHR - EZE
1 stop22h 15mUnited Airlines
Wed 3/1223:55EZE - LHR
1 stop28h 35mUnited Airlines
Deal found 23/10£786
Mon 17/1115:10LHR - EZE
2 stops43h 10mUnited Airlines
Sun 23/1123:55EZE - LHR
1 stop28h 35mUnited Airlines
Deal found 23/10£787

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 24 October 2025.

Round-trip from

£739

One-way from

£465

Popular in

December

Cheapest in

September

Average price

£955

Good round-trip deal

£1,456 or less
Avianca
  • Avianca
  • 7/3-24/3
  • 2 total stops
  • 63h 35m total
  • London to Argentina
Search Deals
United Airlines
  • United Airlines
  • 23/11
  • 2 total stops
  • 45h 10m total
  • London to Argentina
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£41 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 October 2025
Search Deals
Price to beat on a round-trip flight from London Heathrow to Argentina.
Search Deals

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 24 October 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

Sun 12/4

22:05-00:10

1 stop30h 05m

Buenos Aires Ministro Pistarini

Thu 16/4

16:45-15:35

1 stop18h 50m

£742

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Tue 2/12

07:25-09:20

2 stops28h 55m

Buenos Aires Ministro Pistarini

Sun 7/12

23:55-10:15

1 stop31h 20m

£786

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Mon 10/11

11:35-07:20

2 stops46h 45m

Buenos Aires Ministro Pistarini

Sat 22/11

23:55-10:15

1 stop31h 20m

£786

LondonCordoba

LHR - COR

LHRCOR

London Heathrow

Tue 11/11

16:20-03:51

2 stops38h 31m

Cordoba Pajas Blancas

Mon 24/11

03:54-05:55

2 stops47h 01m

£788

LondonCordoba

LHR - COR

LHRCOR

London Heathrow

Fri 21/11

16:20-03:51

2 stops38h 31m

Cordoba Pajas Blancas

Tue 25/11

05:37-05:55

2 stops45h 18m

£788

LondonCordoba

LHR - COR

LHRCOR

London Heathrow

Fri 5/12

10:00-00:21

2 stops41h 21m

Cordoba Pajas Blancas

Sun 7/12

03:54-10:50

2 stops27h 56m

£788

LondonCordoba

LHR - COR

LHRCOR

London Heathrow

Tue 11/11

21:40-06:20

1 stop35h 40m

Cordoba Pajas Blancas

Tue 25/11

07:25-14:35

1 stop28h 10m

£793

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Fri 10/4

22:05-15:20

1 stop21h 15m

Buenos Aires Ministro Pistarini

Tue 14/4

16:45-15:35

1 stop18h 50m

£817

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Fri 10/4

22:05-05:40

1 stop35h 35m

Buenos Aires Jorge Newbery

Wed 15/4

07:00-15:35

1 stop28h 35m

£832

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Fri 10/4

22:05-05:40

1 stop35h 35m

Buenos Aires Jorge Newbery

Tue 14/4

07:00-15:35

1 stop28h 35m

£832

Flights are sorted by cheapest return flights first.

Deals found on 23/10

Showing 1-10 of 54 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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Argentina (average of £577). Flying from London Heathrow Airport to Argentina in July is currently the most expensive (average of £895). 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 24 October 2025.

It’s optimal to fly from London Heathrow Airport to Argentina at midday. By choosing this option you can save up to 9% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from London Heathrow Airport to Argentina?

Use this chart to determine the cheapest time to fly return from Heathrow to Argentina. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London Heathrow Airport to Argentina flight should consider departing on Sunday afternoons when fares are most often at their lowest. Friday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 24 October 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
1,333 reviews
Check prices

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Crew

8.1

Food

6.7

Overall

7.6

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
1,333 reviews
Finnair
7.6
Good
1,333 reviews
Check prices

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Crew

8.1

Food

6.7

Overall

7.6

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
1,871 reviews
Finnair
7.6
Good
1,333 reviews
Check prices

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Crew

8.1

Food

6.7

Overall

7.6

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
2,997 reviews
Finnair
7.6
Good
1,333 reviews
Check prices

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Crew

8.1

Food

6.7

Overall

7.6

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
7,518 reviews
Finnair
7.6
Good
1,333 reviews
Check prices

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Crew

8.1

Food

6.7

Overall

7.6

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
7,469 reviews
Finnair
7.6
Good
1,333 reviews
Check prices

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Crew

8.1

Food

6.7

Overall

7.6

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 25h 25m. Avianca provides one of the quickest options available for as low as £1,138. Airlines will cover a distance of 7136 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 £465. However, be on the lookout for offers from LEVEL and Aeromexico, 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 - Cordoba Pajas Blancas.

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

    While on average a flight from London Heathrow Airport to Argentina is generally £1,991, our data shows the cheapest flight currently is £938. When looking at the most popular route, (London Heathrow - Buenos Aires Ministro Pistarini), you can expect to pay £691 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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Argentina (average of £577). Flying from London Heathrow Airport to Argentina in July is currently the most expensive (average of £895). 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
Heathrow to Santos Dumont flights
Gatwick to Guarulhos Intl flights
Heathrow to Viracopos flights
Heathrow to Bogotá flights
London City to Rio de Janeiro–Galeão Intl flights
Heathrow to Jorge Newbery flights
Gatwick to Rio de Janeiro–Galeão Intl flights
Heathrow to Santiago flights
Gatwick to Santos Dumont flights
Gatwick to Ministro Pistarini flights
Gatwick to Viracopos flights
London City to Ministro Pistarini flights
Heathrow to Lima flights
Heathrow to Congonhas flights
Gatwick to Bogotá flights
Stansted to Guarulhos Intl flights
Gatwick to Lima flights
Stansted to Bogotá flights
Gatwick to Santiago flights
Luton to Guarulhos Intl flights
London City to Bogotá flights
London City to Lima flights
Heathrow to Jose Maria Cordova Intl flights
London City to Santiago flights
Heathrow to Quito flights
Stansted to Rio de Janeiro–Galeão Intl flights
Stansted to Lima flights
Heathrow to Cali flights
Luton to Ministro Pistarini flights
Gatwick to Quito flights
Luton to Bogotá flights
Luton to Lima flights
London City to Quito flights
Gatwick to Jose Maria Cordova Intl flights
Heathrow to Brasilia flights
Heathrow to Montevideo flights
Heathrow to Belo Horizonte flights
Heathrow to Florianopolis flights
London City to Brasilia flights

Top 9 airlines flying from Heathrow to Argentina

Discover the top 9 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 24 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£449Average£1,139FlexibilityNo cancel feeOn-time77%
Search Air France flights
AviancaCheapest£721Average£803FlexibilityNo cancel feeOn-time71%
Search Avianca flights
IberiaCheapest£728Average£1,041FlexibilityNo cancel feeOn-time77%
Search Iberia flights
FinnairCheapest£741Average£1,086FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£804Average£1,084FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£827Average£1,218FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
LATAM AirlinesCheapest£877Average£1,072FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
American AirlinesCheapest£882Average£1,167FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
KLMCheapest£1,030Average£1,375FlexibilityNo cancel feeOn-time75%
Search KLM 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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