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Cheap flights from London Heathrow Airport to Argentina from £347

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Argentina departing on 25/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from London Heathrow Airport to Argentina

Cheap return flights

Enter your travel dates to find the best prices.
Avianca Logo
22:05 - 06:20
LHR
-
COR
36h 15m
1 stop
Avianca Logo
07:25 - 15:35
COR
-
LHR
28h 10m
1 stop
£679Avianca
Wed, 3 Jun - Sun, 7 Jun
Avianca Logo
22:05 - 06:20
LHR
-
COR
36h 15m
1 stop
Avianca Logo
07:25 - 15:35
COR
-
LHR
28h 10m
1 stop
£680Avianca
Wed, 3 Jun - Sun, 7 Jun
Avianca Logo
22:05 - 06:20
LHR
-
COR
36h 15m
1 stop
Avianca Logo
07:25 - 15:35
COR
-
LHR
28h 10m
1 stop
£680Avianca
Wed, 3 Jun - Sun, 7 Jun
LATAM Airlines Logo
21:20 - 20:00
LHR
-
AEP
26h 40m
1 stop
LATAM Airlines Logo
18:20 - 15:05
AEP
-
LHR
16h 45m
1 stop
£847LATAM Airlines
Wed, 3 Jun - Wed, 17 Jun
Multiple Airlines Logo
22:05 - 05:40
LHR
-
AEP
35h 35m
1 stop
Multiple Airlines Logo
18:20 - 15:05
AEP
-
LHR
16h 45m
1 stop
£868Multiple Airlines
Sun, 31 May - Wed, 10 Jun
Multiple Airlines Logo
22:05 - 06:20
LHR
-
COR
36h 15m
1 stop
Multiple Airlines Logo
17:25 - 15:05
COR
-
LHR
17h 40m
1 stop
£906Multiple Airlines
Sun, 14 Jun - Thu, 18 Jun
Air France Logo
06:15 - 10:10
LHR
-
BRC
31h 55m
2 stops
Air France Logo
19:10 - 21:25
BRC
-
LHR
22h 15m
2 stops
£921Air France
Tue, 2 Jun - Thu, 11 Jun
United Airlines Logo
18:00 - 03:51
LHR
-
COR
37h 51m
2 stops
United Airlines Logo
05:51 - 07:55
COR
-
LHR
46h 04m
2 stops
£966United Airlines
Fri, 24 Apr - Mon, 27 Apr
LATAM Airlines Logo
21:20 - 19:03
LHR
-
MDZ
25h 43m
2 stops
LATAM Airlines Logo
13:00 - 15:05
MDZ
-
LHR
22h 05m
1 stop
£989LATAM Airlines
Mon, 1 Jun - Tue, 9 Jun
Air France Logo
06:15 - 07:30
LHR
-
USH
29h 15m
2 stops
Air France Logo
18:40 - 21:25
USH
-
LHR
22h 45m
2 stops
£1,458Air France
Thu, 1 Oct - Thu, 15 Oct

American Airlines flights from London Heathrow Airport to Argentina

Our best American Airlines deals on London Heathrow Airport to Argentina flight tickets
American Airlines
30 Jun
LHR12:15London Heathrow
22h 50m
1 stop
EZE07:05Buenos Aires Ministro Pistarini
9 Jul
EZE21:10Buenos Aires Ministro Pistarini
20h 30m
1 stop
LHR21:40London Heathrow
£823
American Airlines
22 Apr
LHR15:00London Heathrow
21h 50m
1 stop
EZE08:50Buenos Aires Ministro Pistarini
6 May
EZE23:35Buenos Aires Ministro Pistarini
29h 25m
1 stop
LHR09:00London Heathrow
£908
American Airlines
22 Apr
LHR18:05London Heathrow
21h 00m
1 stop
EZE11:05Buenos Aires Ministro Pistarini
6 May
EZE23:35Buenos Aires Ministro Pistarini
29h 25m
1 stop
LHR09:00London Heathrow
£909

British Airways flights from London Heathrow Airport to Argentina

Our best British Airways deals on London Heathrow Airport to Argentina flight tickets
British Airways
7 Sept
LHR21:45London Heathrow
17h 00m
EZE10:45Buenos Aires Ministro Pistarini
14 Sept
EZE21:40Buenos Aires Ministro Pistarini
16h 35m
1 stop
LHR18:15London Heathrow
£827
British Airways
20 Apr
LHR10:30London Heathrow
26h 20m
2 stops
EZE08:50Buenos Aires Ministro Pistarini
26 Apr
EZE20:40Buenos Aires Ministro Pistarini
34h 25m
1 stop
LHR11:05London Heathrow
£903
British Airways
19 Apr
LHR10:30London Heathrow
26h 20m
2 stops
EZE08:50Buenos Aires Ministro Pistarini
22 Apr
EZE22:20Buenos Aires Ministro Pistarini
32h 45m
1 stop
LHR11:05London Heathrow
£903

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 14 April 2026.
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

LondonCordoba

LHR - COR

LHRCOR

London Heathrow

Wed 3/6

22:05-06:20

1 stop36h 15m

Cordoba Pajas Blancas

Sun 7/6

07:25-15:35

1 stop28h 10m

£679

LondonCordoba

LHR - COR

LHRCOR

London Heathrow

Wed 3/6

22:05-06:20

1 stop36h 15m

Cordoba Pajas Blancas

Sun 7/6

07:25-15:35

1 stop28h 10m

£680

LondonCordoba

LHR - COR

LHRCOR

London Heathrow

Wed 3/6

22:05-06:20

1 stop36h 15m

Cordoba Pajas Blancas

Sun 7/6

07:25-15:35

1 stop28h 10m

£680
Fastest return journey

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Wed 3/6

21:20-20:00

1 stop26h 40m

Buenos Aires Jorge Newbery

Wed 17/6

18:20-15:05

1 stop16h 45m

£847

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Sun 31/5

22:05-05:40

1 stop35h 35m

Buenos Aires Jorge Newbery

Wed 10/6

18:20-15:05

1 stop16h 45m

£868

LondonCordoba

LHR - COR

LHRCOR

London Heathrow

Sun 14/6

22:05-06:20

1 stop36h 15m

Cordoba Pajas Blancas

Thu 18/6

17:25-15:05

1 stop17h 40m

£906

LondonSan Carlos de Bariloche

LHR - BRC

LHRBRC

London Heathrow

Tue 2/6

06:15-10:10

2 stops31h 55m

San Carlos de Bariloche Teniente Luis Candelaria

Thu 11/6

19:10-21:25

2 stops22h 15m

£921

LondonCordoba

LHR - COR

LHRCOR

London Heathrow

Fri 24/4

18:00-03:51

2 stops37h 51m

Cordoba Pajas Blancas

Mon 27/4

05:51-07:55

2 stops46h 04m

£966

LondonMendoza

LHR - MDZ

LHRMDZ

London Heathrow

Mon 1/6

21:20-19:03

2 stops25h 43m

Mendoza El Plumerillo

Tue 9/6

13:00-15:05

1 stop22h 05m

£989

LondonUshuaia

LHR - USH

LHRUSH

London Heathrow

Thu 1/10

06:15-07:30

2 stops29h 15m

Ushuaia Malvinas Argentinas

Thu 15/10

18:40-21:25

2 stops22h 45m

£1,458

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Argentina from

How to get the cheapest flight ticket from London Heathrow Airport to Argentina

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Argentina?

The month of May is, on average, the cheapest month to fly to Argentina from London Heathrow Airport, with most prices found around £903. If you aren’t able to travel to Argentina during the month of May, then flying in April is also cheap. Prices for this month can be found on momondo for an average of £913.

What is the cheapest day to depart on your flight to Argentina?

The cheapest day to depart on your flight to Argentina is on a Monday when prices can be found for as low as £1,003. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £1,285.

What is the cheapest London Heathrow to Argentina flight route?

Fly from London Heathrow to Buenos Aires Ministro Pistarini for the best London Heathrow - Argentina flight prices

How far in advance should I book a flight to Argentina?

You are more likely to see cheaper flights to Argentina from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Argentina for around £1,015 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Argentina from London Heathrow Airport for as low as £846 on momondo.

What cabin class options are available on London Heathrow to Argentina flights?

There is only 1 cabin class available to choose from on London Heathrow to Argentina flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London Heathrow Airport to Argentina flights?

You could potentially save up to 28% on your flight if you consider stops on a London Heathrow Airport to Argentina flight.

Cheap London Heathrow Airport to Argentina flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Argentina

Best price found

£1,092

Fastest flight time

16h 20m

Direct flights

Every day

Airports in Argentina

58 airports
The best flight deal from London Heathrow Airport to Argentina found on momondo in the last 72 hours is £1,092
The fastest flight from London Heathrow Airport to Argentina takes 16h 20m
Direct flights go from London Heathrow Airport to Argentina every day.
There are 58 airports in Argentina. From London Heathrow Airport there are direct flights to Buenos Aires Ministro Pistarini (EZE).
Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Argentina

  • When did momondo last update prices for flights from London Heathrow Airport to Argentina?

    Prices for flights from London Heathrow Airport to Argentina refresh daily.

  • How many operators does momondo search for flights from London Heathrow Airport to Argentina?

  • How old do you have to be to fly from London Heathrow Airport to Argentina?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Argentina.

  • What documentation or ID do you need to fly to Argentina?

    The travel and health documents you'll need for your trip to Argentina may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Argentina. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London Heathrow Airport to Argentina?

Best airlines flying from London Heathrow Airport to Argentina

Compare and see reviews for airlines that fly from London Heathrow Airport to Argentina with momondo
Airline
Rating
Free Cancellation
Price
AviancaPriceFrom £646Free CancellationRating
6.5
2,507 reviews
Search Avianca flights
IberiaPriceFrom £738Free CancellationRating
7.0
3,180 reviews
Search Iberia flights
Air FrancePriceFrom £747Free CancellationRating
7.4
1,569 reviews
Search Air France flights
LATAM AirlinesPriceFrom £843Free CancellationRating
7.4
1,909 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom £866Free CancellationRating
7.1
11,580 reviews
Search American Airlines flights
British AirwaysPriceFrom £867Free CancellationRating
6.7
7,885 reviews
Search British Airways flights
FinnairPriceFrom £904Free CancellationRating
7.7
1,386 reviews
Search Finnair flights
LufthansaPriceFrom £922Free CancellationRating
6.8
7,927 reviews
Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Argentina?

Finding the right flight to Argentina from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Argentina quick and easy, saving you time and money.

Can I find flights from London to Argentina with flexible booking policies on momondo?

momondo does allow users to show only those flights to Argentina from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Argentina?

Once all potential London to Argentina flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to Argentina right now. Can momondo alert me if prices change?

Price alerts on flights to Argentina from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to Argentina

Popular Cities in Argentina

Popular flights according to clicks in the last 7 days on momondo
Flights to Buenos Airesfrom £700
Flights to Mendozafrom £907
Flights to Cordobafrom £680
Flights to San Carlos de Barilochefrom £1,059
Flights to Ushuaiafrom £1,266