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Cheap flights from London Heathrow Airport to Argentina from £451

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 25/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — EZE
4 Mar — 11 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 2 February 2026.

Thu 12/312:05
LHR
-
COR
2 stops63h 18m
United Airlines
Mon 16/305:29
COR
-
LHR
2 stops47h 26m
United Airlines
Deal found 1/2£784
Wed 18/312:05
LHR
-
ROS
2 stops42h 48m
Multiple Airlines
Tue 24/301:26
ROS
-
LHR
2 stops25h 29m
Multiple Airlines
Deal found 1/2£786
Mon 16/1112:05
LHR
-
EZE
1 stop22h 15m
United Airlines
Tue 8/1223:55
EZE
-
LHR
1 stop28h 35m
United Airlines
Deal found 1/2£794
Sat 31/1016:40
LHR
-
EZE
2 stops43h 40m
United Airlines
Tue 10/1123:55
EZE
-
LHR
2 stops27h 00m
United Airlines
Deal found 31/1£795
Mon 20/412:15
LHR
-
COR
2 stops40h 05m
United Airlines
Fri 1/503:32
COR
-
LHR
2 stops23h 43m
United Airlines
Deal found 1/2£795
Fri 30/1012:05
LHR
-
EZE
1 stop23h 15m
United Airlines
Mon 16/1123:55
EZE
-
LHR
1 stop28h 35m
United Airlines
Deal found 31/1£796
Wed 11/321:40
LHR
-
AEP
1 stop35h 00m
Avianca
Tue 31/307:00
AEP
-
LHR
1 stop28h 35m
Avianca
Deal found 1/2£797
Thu 7/511:30
LHR
-
EZE
1 stop22h 55m
Lufthansa
Fri 29/516:35
EZE
-
LHR
1 stop24h 05m
Lufthansa
Deal found 1/2£797
Tue 10/318:40
LHR
-
EZE
2 stops20h 10m
SWISS
Wed 11/314:40
EZE
-
LHR
3 stops27h 45m
SWISS
Deal found 1/2£797
Sun 15/321:40
LHR
-
AEP
1 stop35h 00m
Avianca
Thu 26/307:00
AEP
-
LHR
1 stop28h 35m
Avianca
Deal found 1/2£798
Thu 23/422:05
LHR
-
EZE
1 stop21h 35m
Avianca
Sun 3/516:50
EZE
-
LHR
1 stop18h 45m
Avianca
Deal found 31/1£798
Wed 6/522:35
LHR
-
EZE
2 stops27h 50m
Turkish Airlines
Thu 21/523:55
EZE
-
LHR
2 stops36h 05m
Turkish Airlines
Deal found 1/2£799

Find flight deals from Heathrow to Argentina

Keep the following information in mind while searching for Heathrow to Argentina flight deals. Data was last updated 2 February 2026.

Round-trip from

£784

One-way from

£451

Popular in

December

Cheapest in

September

Average price

£903

Good round-trip deal

£902 or less
United Airlines
  • United Airlines
  • 12/3-16/3
  • 4 total stops
  • 110h 44m total
  • London to Argentina
Search Deals
25/3
  • 25/3
  • 3 total stops
  • 51h 00m total
  • London to Argentina
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£31 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
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 2 February 2026.
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

LondonCordoba

LHR - COR

LHRCOR

London Heathrow

Thu 12/3

12:05-00:23

2 stops63h 18m

Cordoba Pajas Blancas

Mon 16/3

05:29-07:55

2 stops47h 26m

£784

LondonRosario

LHR - ROS

LHRROS

London Heathrow

Wed 18/3

12:05-03:53

2 stops42h 48m

Rosario Fisherton

Tue 24/3

01:26-05:55

2 stops25h 29m

£786

LondonCordoba

LHR - COR

LHRCOR

London Heathrow

Mon 20/4

12:15-00:20

2 stops40h 05m

Cordoba Pajas Blancas

Fri 1/5

03:32-07:15

2 stops23h 43m

£795

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Mon 13/4

13:40-08:00

1 stop22h 20m

Buenos Aires Ministro Pistarini

Tue 21/4

21:00-09:20

2 stops32h 20m

£796

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Tue 14/4

13:40-08:00

1 stop22h 20m

Buenos Aires Ministro Pistarini

Tue 21/4

21:00-07:40

1 stop30h 40m

£796

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Wed 15/4

10:00-08:00

1 stop26h 00m

Buenos Aires Ministro Pistarini

Tue 21/4

21:00-07:40

1 stop30h 40m

£796

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Tue 10/3

18:40-11:50

2 stops20h 10m

Buenos Aires Ministro Pistarini

Tue 17/3

17:45-14:45

1 stop18h 00m

£805

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Tue 17/3

07:00-11:50

3 stops31h 50m

Buenos Aires Ministro Pistarini

Wed 25/3

14:40-16:20

2 stops22h 40m

£808

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Sat 11/4

06:30-06:25

1 stop27h 55m

Buenos Aires Ministro Pistarini

Thu 23/4

16:35-20:40

1 stop24h 05m

£823

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Tue 10/3

09:00-11:50

3 stops29h 50m

Buenos Aires Ministro Pistarini

Wed 11/3

14:40-18:40

3 stops25h 00m

£824

Flights are sorted by cheapest return flights first.

Deals found on 1/2

Showing 1-10 of 60 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 £641). Flying from London Heathrow Airport to Argentina in July is currently the most expensive (average of £890). 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 2 February 2026.

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 2 February 2026.

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 2 February 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Argentina, such as LATAM Airlines, Iberia, andLufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.5
Good
1,917 reviews
Check prices

Food

6.7

Entertainment

7.0

Boarding

7.5

Crew

8.0

Overall

7.5

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.
LATAM Airlines
7.5
Good
1,917 reviews
LATAM Airlines
7.5
Good
1,917 reviews
Check prices

Food

6.7

Entertainment

7.0

Boarding

7.5

Crew

8.0

Overall

7.5

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.
Iberia
7.0
Good
3,101 reviews
LATAM Airlines
7.5
Good
1,917 reviews
Check prices

Food

6.7

Entertainment

7.0

Boarding

7.5

Crew

8.0

Overall

7.5

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.
Lufthansa
6.8
Okay
7,758 reviews
LATAM Airlines
7.5
Good
1,917 reviews
Check prices

Food

6.7

Entertainment

7.0

Boarding

7.5

Crew

8.0

Overall

7.5

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.
British Airways
6.7
Okay
7,711 reviews
LATAM Airlines
7.5
Good
1,917 reviews
Check prices

Food

6.7

Entertainment

7.0

Boarding

7.5

Crew

8.0

Overall

7.5

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.
Avianca
6.5
Okay
2,494 reviews
LATAM Airlines
7.5
Good
1,917 reviews
Check prices

Food

6.7

Entertainment

7.0

Boarding

7.5

Crew

8.0

Overall

7.5

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.

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 31h 50m. United Airlines provides one of the quickest options available for as low as £808. 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 Aeromexico, with whom users have recently found tickets for as low as £316. However, be on the lookout for offers from Avianca and Iberia, 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 - Ushuaia Malvinas Argentinas.

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

    While on average a flight from London Heathrow Airport to Argentina is generally £1,068, our data shows the cheapest flight currently is £886. When looking at the most popular route, (London Heathrow - Buenos Aires Ministro Pistarini), you can expect to pay £699 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 £641). Flying from London Heathrow Airport to Argentina in July is currently the most expensive (average of £890). 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

Browse thousands of different options on Cheapflights for your next trip

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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
London City to Rio de Janeiro–Galeão Intl flights
Heathrow to Santos Dumont flights
Heathrow to Ministro Pistarini flights
Gatwick to Rio de Janeiro–Galeão Intl flights
London City to Guarulhos Intl flights
Gatwick to Guarulhos Intl flights
Heathrow to Viracopos flights
Heathrow to Bogotá flights
Heathrow to Lima flights
Stansted to Guarulhos Intl flights
Heathrow to Santiago flights
Heathrow to Jorge Newbery flights
Luton to Guarulhos Intl flights
London City to Lima flights
Stansted to Rio de Janeiro–Galeão Intl flights
Heathrow to Jose Maria Cordova Intl flights
London City to Ministro Pistarini flights
London City to Bogotá flights
Gatwick to Santos Dumont flights
Gatwick to Lima flights
Gatwick to Viracopos flights
Gatwick to Ministro Pistarini flights
Gatwick to Bogotá flights
Stansted to Bogotá flights
Gatwick to Santiago flights
Luton to Bogotá flights
Heathrow to Georgetown flights
London City to Santiago flights
Heathrow to Quito flights
Stansted to Lima flights
Gatwick to Jose Maria Cordova Intl flights
Gatwick to Quito flights
Luton to Ministro Pistarini flights
Luton to Lima flights
Gatwick to Georgetown flights
Stansted to Santiago flights
London City to Jose Maria Cordova Intl flights
Heathrow to Congonhas flights
London City to Quito flights
Heathrow to Cali flights

Top 8 airlines flying from Heathrow to Argentina

Discover the top 8 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 2 February 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£686Average£782FlexibilityNo cancel feeOn-time71%
Search Avianca flights
IberiaCheapest£707Average£887FlexibilityNo cancel feeOn-time77%
Search Iberia flights
FinnairCheapest£739Average£1,069FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air FranceCheapest£753Average£1,326FlexibilityNo cancel feeOn-time77%
Search Air France flights
British AirwaysCheapest£812Average£1,131FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LATAM AirlinesCheapest£833Average£1,131FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
American AirlinesCheapest£851Average£869FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
LufthansaCheapest£903Average£1,206FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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