Cheap flights from London Heathrow Airport to Argentina from £554

LHR — EZE
14 Dec — 21 Dec1
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

Tue 17/1121:35 -
1 stop35h 45m
Mon 14/607:25 -
1 stop28h 10m
Deal found 11/11£887
Wed 25/1117:25 -
2 stops28h 25m
Sun 6/1207:30 -
2 stops28h 25m
Deal found 14/11£901
Thu 26/1120:15 -
1 stop22h 50m
Wed 2/1217:00 -
2 stops46h 00m
Deal found 13/11£926
Tue 1/1218:45 -
2 stops19h 30m
Fri 11/1207:30 -
2 stops30h 05m
Deal found 14/11£929
Tue 1/1218:45 -
2 stops19h 30m
Fri 11/1207:30 -
2 stops28h 55m
Deal found 14/11£940
Wed 25/1119:40 -
2 stops26h 10m
Mon 7/1212:15 -
2 stops23h 10m
Deal found 14/11£965
Thu 26/1120:15 -
1 stop17h 15m
Thu 17/1214:55 -
2 stops21h 25m
Deal found 11/11£968
Tue 1/1221:35 -
1 stop35h 05m
Thu 10/1207:05 -
1 stop28h 30m
Deal found 9/11£971
Sun 15/1121:35 -
1 stop35h 30m
Fri 27/1107:25 -
1 stop28h 10m
Deal found 10/11£971
Sun 27/1221:35 -
1 stop35h 05m
Thu 28/107:05 -
1 stop28h 30m
Deal found 11/11£972
Wed 18/1121:35 -
1 stop35h 05m
Mon 14/607:00 -
1 stop28h 35m
Deal found 11/11£974
Tue 17/1121:35 -
1 stop21h 05m
Fri 11/601:35 -
1 stop34h 00m
Deal found 11/11£974

Find flight deals from Heathrow to Argentina

Round-trip from

£841

One-way from

£554

Popular in

December

Cheapest in

May

Average price

£1,008

Good round-trip deal

£859 or less
LATAM Airlines
  • LATAM Airlines
  • 10/5-24/5
  • 2 total stops
  • 40h 50m total
  • London to Argentina
24/11-31/12
  • 24/11-31/12
  • 2 total stops
  • 44h 35m total
  • London to Argentina
Highest demand for flights based on searches. 6% potential increase in price (£51 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£17 potential savings vs. average return price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from London Heathrow to Argentina.

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport to Argentina that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonMendoza

LHR London Heathrow - MDZ Mendoza El Plumerillo

LHRMDZ

London Heathrow

Tue 24/11

21:35-15:10

2 stops44h 35m

Mendoza El Plumerillo

Wed 31/12

00:00-04:00

Nonstop0h 00m

£554

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Sat 21/11

10:00-07:20

1 stop24h 20m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£558

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Mon 7/12

10:00-09:20

1 stop26h 20m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£558

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Mon 23/11

12:05-07:20

2 stops46h 15m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£558

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Mon 1/3

21:35-15:40

1 stop21h 05m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£559

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Thu 19/11

12:45-07:20

2 stops45h 35m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£564

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Wed 25/11

10:00-09:20

1 stop26h 20m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£564

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Fri 22/1

12:05-07:20

1 stop22h 15m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£567

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Sat 23/1

16:20-09:20

2 stops44h 00m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£567

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Wed 9/12

12:05-07:20

1 stop22h 15m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£567

Flights are sorted by cheapest return flights first.

Deals found on 12/11

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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 £840). Flying from London Heathrow Airport to Argentina in December is currently the most expensive (average of £1,309). 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.

Weekly flight availability from London Heathrow Airport to Argentina

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).

How far ahead should I book a flight from London Heathrow Airport to Argentina?

The best time to book flights from London Heathrow Airport to Argentina is 62 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Argentina

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.

Comfort

7.3

Overall

7.5

Boarding

7.5

Entertainment

7.0

Food

6.8

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2026

GRU - JNB

No communication from captain about the delay long waiting time. Shitty airline with incompetent employees especially employees from Brazil.

Comfort

7.3

Overall

7.5

Boarding

7.5

Entertainment

7.0

Food

6.8

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2026

GRU - JNB

No communication from captain about the delay long waiting time. Shitty airline with incompetent employees especially employees from Brazil.

Comfort

7.3

Overall

7.5

Boarding

7.5

Entertainment

7.0

Food

6.8

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2026

GRU - JNB

No communication from captain about the delay long waiting time. Shitty airline with incompetent employees especially employees from Brazil.

Comfort

7.3

Overall

7.5

Boarding

7.5

Entertainment

7.0

Food

6.8

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2026

GRU - JNB

No communication from captain about the delay long waiting time. Shitty airline with incompetent employees especially employees from Brazil.

Comfort

7.3

Overall

7.5

Boarding

7.5

Entertainment

7.0

Food

6.8

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2026

GRU - JNB

No communication from captain about the delay long waiting time. Shitty airline with incompetent employees especially employees from Brazil.

Comfort

7.3

Overall

7.5

Boarding

7.5

Entertainment

7.0

Food

6.8

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2026

GRU - JNB

No communication from captain about the delay long waiting time. Shitty airline with incompetent employees especially employees from Brazil.

Related info for your journey

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

    A quick flight from London Heathrow Airport to Argentina can take about 21h 05m. LATAM Airlines provides one of the quickest options available for as low as £1,060. 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 Avianca, with whom users have recently found tickets for as low as £319. However, be on the lookout for offers from Aeromexico 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?

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

    While on average a flight from London Heathrow Airport to Argentina is generally £891, our data shows the cheapest flight currently is £828. When looking at the most popular route, (London Heathrow - Buenos Aires Ministro Pistarini), you can expect to pay £822 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 £840). Flying from London Heathrow Airport to Argentina in December is currently the most expensive (average of £1,309). 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

Alternative routes for Heathrow to Argentina

Top 7 airlines flying from Heathrow to Argentina

AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£664Average£742FlexibilityNo cancel feeOn-time71%
Search Avianca flights
British AirwaysCheapest£834Average£1,096FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£837Average£1,018FlexibilityNo cancel feeOn-time77%
Search Iberia flights
LATAM AirlinesCheapest£858Average£1,064FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
American AirlinesCheapest£881Average£991FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
LufthansaCheapest£938Average£1,121FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
ITA AirwaysCheapest£956Average£1,344FlexibilityNo cancel feeOn-time81%
Search ITA Airways flights

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

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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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