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Cheap flights from London Heathrow Airport to Argentina from £455

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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — EZE
14 Feb — 21 Feb1
1 adult
1 adult, Economy, 0 bags

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 15 January 2026.

Round-trip from

£786

One-way from

£455

Popular in

December

Cheapest in

September

Average price

£896

Good round-trip deal

£966 or less
United Airlines
  • United Airlines
  • 23/3-6/4
  • 4 total stops
  • 84h 21m total
  • London to Argentina
Search Deals
15/3
  • 15/3
  • 2 total stops
  • 24h 00m total
  • London to Argentina
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£30 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from London Heathrow to Argentina.
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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 15 January 2026.

Mon 23/316:20
LHR
-
COR
2 stops38h 32m
United Airlines
Mon 6/405:51
COR
-
LHR
2 stops45h 49m
United Airlines
Deal found 14/1£786
Wed 18/313:25
LHR
-
EZE
3 stops52h 45m
Air Canada
Wed 25/316:45
EZE
-
LHR
2 stops34h 45m
Air Canada
Deal found 15/1£811
Sun 15/321:40
LHR
-
EZE
1 stop21h 10m
Avianca
Sat 28/301:40
EZE
-
LHR
1 stop33h 55m
Avianca
Deal found 14/1£812
Fri 20/1117:45
LHR
-
EZE
2 stops31h 40m
Turkish Airlines
Tue 8/1223:55
EZE
-
LHR
2 stops36h 00m
Turkish Airlines
Deal found 14/1£812
Wed 18/321:40
LHR
-
EZE
1 stop29h 55m
Avianca
Wed 8/406:50
EZE
-
LHR
1 stop28h 45m
Avianca
Deal found 15/1£813
Wed 18/220:15
LHR
-
AEP
1 stop16h 25m
LATAM Airlines
Sat 23/516:55
AEP
-
LHR
1 stop18h 10m
LATAM Airlines
Deal found 14/1£814
Sun 15/322:35
LHR
-
EZE
1 stop26h 50m
Turkish Airlines
Sun 29/323:55
EZE
-
LHR
2 stops35h 15m
Turkish Airlines
Deal found 14/1£814
Sun 22/220:15
LHR
-
AEP
1 stop18h 30m
LATAM Airlines
Wed 27/516:55
AEP
-
LHR
1 stop18h 10m
LATAM Airlines
Deal found 14/1£815
Wed 11/319:55
LHR
-
EZE
2 stops29h 30m
Turkish Airlines
Tue 24/323:55
EZE
-
LHR
2 stops36h 00m
Turkish Airlines
Deal found 13/1£815
Wed 4/316:35
LHR
-
EZE
2 stops32h 50m
Turkish Airlines
Wed 18/323:55
EZE
-
LHR
2 stops43h 30m
Turkish Airlines
Deal found 13/1£816
Mon 9/320:15
LHR
-
AEP
1 stop19h 25m
Multiple Airlines
Mon 23/318:20
AEP
-
LHR
1 stop16h 45m
Multiple Airlines
Deal found 13/1£817
Wed 15/408:30
LHR
-
EZE
1 stop34h 00m
Air Canada
Wed 22/416:30
EZE
-
LHR
2 stops61h 30m
Air Canada
Deal found 15/1£817

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 15 January 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

Mon 23/3

16:20-03:52

2 stops38h 32m

Cordoba Pajas Blancas

Mon 6/4

05:51-07:40

2 stops45h 49m

£786

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Sat 14/3

21:40-05:40

1 stop35h 00m

Buenos Aires Jorge Newbery

Tue 31/3

07:00-15:35

1 stop28h 35m

£832

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Tue 3/3

21:15-17:00

1 stop22h 45m

Buenos Aires Jorge Newbery

Fri 13/3

10:35-06:45

1 stop17h 10m

£832

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Sun 8/2

15:10-07:20

2 stops43h 10m

Buenos Aires Ministro Pistarini

Fri 27/2

22:05-10:50

2 stops33h 45m

£838

LondonCordoba

LHR - COR

LHRCOR

London Heathrow

Thu 12/3

10:00-03:52

2 stops44h 52m

Cordoba Pajas Blancas

Sun 15/3

03:54-05:55

2 stops47h 01m

£839

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Sat 16/5

08:55-09:40

3 stops28h 45m

Buenos Aires Jorge Newbery

Wed 17/6

14:55-13:00

2 stops18h 05m

£860

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Thu 14/5

18:40-09:40

2 stops19h 00m

Buenos Aires Jorge Newbery

Fri 19/6

14:55-16:25

2 stops21h 30m

£884

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Wed 13/5

18:40-09:40

2 stops19h 00m

Buenos Aires Jorge Newbery

Mon 1/6

14:55-13:00

2 stops18h 05m

£884

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Thu 14/5

18:40-09:40

2 stops19h 00m

Buenos Aires Jorge Newbery

Mon 1/6

14:55-13:00

2 stops18h 05m

£884

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Sat 2/5

15:30-06:25

1 stop18h 55m

Buenos Aires Ministro Pistarini

Sun 17/5

16:35-22:10

1 stop25h 35m

£885

Flights are sorted by cheapest return flights first.

Deals found on 15/1

Showing 1-10 of 60 results
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2
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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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Argentina (average of £655). Flying from London Heathrow Airport to Argentina in July is currently the most expensive (average of £905). 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 15 January 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 15 January 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 15 January 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
1,904 reviews
Check prices

Boarding

7.6

Food

6.7

Comfort

7.3

Overall

7.5

Crew

8.0

Entertainment

7.0

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
1,904 reviews
LATAM Airlines
7.5
Good
1,904 reviews
Check prices

Boarding

7.6

Food

6.7

Comfort

7.3

Overall

7.5

Crew

8.0

Entertainment

7.0

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
3,087 reviews
LATAM Airlines
7.5
Good
1,904 reviews
Check prices

Boarding

7.6

Food

6.7

Comfort

7.3

Overall

7.5

Crew

8.0

Entertainment

7.0

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
7,717 reviews
LATAM Airlines
7.5
Good
1,904 reviews
Check prices

Boarding

7.6

Food

6.7

Comfort

7.3

Overall

7.5

Crew

8.0

Entertainment

7.0

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
7,676 reviews
LATAM Airlines
7.5
Good
1,904 reviews
Check prices

Boarding

7.6

Food

6.7

Comfort

7.3

Overall

7.5

Crew

8.0

Entertainment

7.0

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
6.6
Okay
2,492 reviews
LATAM Airlines
7.5
Good
1,904 reviews
Check prices

Boarding

7.6

Food

6.7

Comfort

7.3

Overall

7.5

Crew

8.0

Entertainment

7.0

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 28h 45m. United Airlines provides one of the quickest options available for as low as £860. Airlines will cover a distance of 6896 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 Avianca, with whom users have recently found tickets for as low as £374. However, be on the lookout for offers from Iberia and United 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 - 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 £1,089, our data shows the cheapest flight currently is £903. 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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Argentina (average of £655). Flying from London Heathrow Airport to Argentina in July is currently the most expensive (average of £905). 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.
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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 15 January 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£699Average£796FlexibilityNo cancel feeOn-time71%
Search Avianca flights
IberiaCheapest£717Average£904FlexibilityNo cancel feeOn-time77%
Search Iberia flights
FinnairCheapest£753Average£1,089FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air FranceCheapest£767Average£1,350FlexibilityNo cancel feeOn-time77%
Search Air France flights
British AirwaysCheapest£810Average£1,124FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LATAM AirlinesCheapest£849Average£1,172FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
American AirlinesCheapest£866Average£970FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
LufthansaCheapest£905Average£1,224FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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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