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Cheap flights from London Heathrow Airport to Argentina from £534

LHR — EZE
4 Nov — 11 Nov1
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

Wed 18/1121:35 -
1 stop35h 45m
Wed 25/1107:40 -
1 stop27h 55m
Deal found 4/10£846
Tue 10/1121:35 -
1 stop35h 45m
Wed 18/1107:40 -
1 stop27h 55m
Deal found 3/10£874
Sun 22/1121:35 -
1 stop35h 45m
Thu 11/207:40 -
1 stop27h 55m
Deal found 30/9£909
Wed 18/1106:00 -
2 stops37h 25m
Wed 25/1112:00 -
2 stops26h 30m
Deal found 4/10£917
Mon 16/1120:15 -
1 stop23h 10m
Mon 23/1112:00 -
1 stop23h 05m
Deal found 2/10£927
Sat 14/1120:15 -
1 stop20h 45m
Sat 21/1121:45 -
1 stop37h 20m
Deal found 30/9£932
Sat 28/1121:35 -
1 stop21h 05m
Wed 3/216:50 -
1 stop18h 45m
Deal found 30/9£932
Wed 28/1021:35 -
1 stop35h 45m
Wed 25/1107:40 -
1 stop27h 55m
Deal found 2/10£934
Sat 14/1106:20 -
2 stops25h 00m
Sat 21/1109:00 -
2 stops29h 00m
Deal found 30/9£935
Fri 11/1217:00 -
1 stop20h 35m
Thu 11/210:10 -
2 stops22h 30m
Deal found 30/9£935
Thu 12/1111:10 -
1 stop30h 55m
Wed 20/116:45 -
2 stops49h 15m
Deal found 30/9£935
Thu 19/1121:35 -
1 stop35h 05m
Wed 2/1207:05 -
1 stop28h 30m
Deal found 30/9£938

Find flight deals from Heathrow to Argentina

Round-trip from

£846

One-way from

£534

Popular in

December

Cheapest in

May

Average price

£1,027

Good round-trip deal

£906 or less
Avianca
  • Avianca
  • 18/11-25/11
  • 2 total stops
  • 63h 40m total
  • London to Argentina
Search Deals
17/11-31/12
  • 17/11-31/12
  • 2 total stops
  • 49h 34m total
  • London to Argentina
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£48 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 October 2026
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Price to beat on a round-trip flight from London Heathrow to Argentina.
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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

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Fri 13/11

06:35-09:20

2 stops29h 45m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£547

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Fri 27/11

06:35-07:20

2 stops27h 45m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£548

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Sat 21/11

16:40-07:20

2 stops41h 40m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£555

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Sat 5/12

11:35-07:20

2 stops46h 45m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£556

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Tue 1/12

10:00-09:20

1 stop26h 20m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£556
Fastest return journey

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Tue 17/11

12:05-07:20

1 stop22h 15m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£556

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

£556

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Thu 15/10

13:40-08:00

1 stop22h 20m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£584

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Thu 8/10

11:25-08:00

2 stops24h 35m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£590

LondonBuenos Aires

LHR London Heathrow - AEP Buenos Aires Jorge Newbery

LHRAEP

London Heathrow

Thu 8/10

22:05-05:40

1 stop35h 35m

Buenos Aires Jorge Newbery

Wed 31/12

00:00-04:00

Nonstop0h 00m

£599

Flights are sorted by cheapest return flights first.

Deals found on 2/10

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 £846). Flying from London Heathrow Airport to Argentina in December is currently the most expensive (average of £1,328). 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?

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

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 39 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.
LATAM Airlines
7.4
Good
1,975 reviews
Check prices

Comfort

7.3

Overall

7.4

Boarding

7.5

Food

6.7

Crew

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Jess,Jan 2026

GRU - MIA

sat on the tarmac for 4.5 hours with no explanation, climate control, honesty about the timeline or the situation, or even letting anyone off. The crew was passive-aggressive and sneaky, trying to skirt legal time limits requiring financial restitution for passengers, pretending the "flight had started" even though they didn't budge for another 40 minutes. One of the worst flights I've ever taken
LATAM Airlines
7.4
Good
1,975 reviews
LATAM Airlines
7.4
Good
1,975 reviews
Check prices

Comfort

7.3

Overall

7.4

Boarding

7.5

Food

6.7

Crew

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Jess,Jan 2026

GRU - MIA

sat on the tarmac for 4.5 hours with no explanation, climate control, honesty about the timeline or the situation, or even letting anyone off. The crew was passive-aggressive and sneaky, trying to skirt legal time limits requiring financial restitution for passengers, pretending the "flight had started" even though they didn't budge for another 40 minutes. One of the worst flights I've ever taken
Iberia
7.0
Good
3,256 reviews
LATAM Airlines
7.4
Good
1,975 reviews
Check prices

Comfort

7.3

Overall

7.4

Boarding

7.5

Food

6.7

Crew

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Jess,Jan 2026

GRU - MIA

sat on the tarmac for 4.5 hours with no explanation, climate control, honesty about the timeline or the situation, or even letting anyone off. The crew was passive-aggressive and sneaky, trying to skirt legal time limits requiring financial restitution for passengers, pretending the "flight had started" even though they didn't budge for another 40 minutes. One of the worst flights I've ever taken
Lufthansa
6.8
Okay
8,256 reviews
LATAM Airlines
7.4
Good
1,975 reviews
Check prices

Comfort

7.3

Overall

7.4

Boarding

7.5

Food

6.7

Crew

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Jess,Jan 2026

GRU - MIA

sat on the tarmac for 4.5 hours with no explanation, climate control, honesty about the timeline or the situation, or even letting anyone off. The crew was passive-aggressive and sneaky, trying to skirt legal time limits requiring financial restitution for passengers, pretending the "flight had started" even though they didn't budge for another 40 minutes. One of the worst flights I've ever taken
British Airways
6.7
Okay
8,244 reviews
LATAM Airlines
7.4
Good
1,975 reviews
Check prices

Comfort

7.3

Overall

7.4

Boarding

7.5

Food

6.7

Crew

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Jess,Jan 2026

GRU - MIA

sat on the tarmac for 4.5 hours with no explanation, climate control, honesty about the timeline or the situation, or even letting anyone off. The crew was passive-aggressive and sneaky, trying to skirt legal time limits requiring financial restitution for passengers, pretending the "flight had started" even though they didn't budge for another 40 minutes. One of the worst flights I've ever taken
Avianca
6.5
Okay
2,560 reviews
LATAM Airlines
7.4
Good
1,975 reviews
Check prices

Comfort

7.3

Overall

7.4

Boarding

7.5

Food

6.7

Crew

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Jess,Jan 2026

GRU - MIA

sat on the tarmac for 4.5 hours with no explanation, climate control, honesty about the timeline or the situation, or even letting anyone off. The crew was passive-aggressive and sneaky, trying to skirt legal time limits requiring financial restitution for passengers, pretending the "flight had started" even though they didn't budge for another 40 minutes. One of the worst flights I've ever taken

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 29h 45m. Avianca provides one of the quickest options available for as low as £960. 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 £318. 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?

    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 £1,171, our data shows the cheapest flight currently is £906. When looking at the most popular route, (London Heathrow - Buenos Aires Ministro Pistarini), you can expect to pay £673 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 £846). Flying from London Heathrow Airport to Argentina in December is currently the most expensive (average of £1,328). 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

Top 7 airlines flying from Heathrow to Argentina

AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£673Average£759FlexibilityNo cancel feeOn-time71%
Search Avianca flights
IberiaCheapest£835Average£1,032FlexibilityNo cancel feeOn-time77%
Search Iberia flights
LATAM AirlinesCheapest£856Average£1,048FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
American AirlinesCheapest£879Average£908FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest£907Average£1,128FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£928Average£1,119FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
DeltaCheapest£936Average£1,002FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

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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.

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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.

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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