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Cheap flights from London Heathrow Airport to Argentina from £460

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 30/10. 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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Find the cheapest flights from London Heathrow Airport to Argentina

Cheap return flights

Enter your travel dates to find the best prices.
Avianca Logo
21:40 - 15:50LHR-EZE
21h 10m1 stop
Avianca Logo
16:45 - 15:35EZE-LHR
18h 50m1 stop
£727Avianca
Find Deal
Sun, 15 Mar - Tue, 31 Mar
Avianca Logo
21:40 - 05:50LHR-EZE
35h 10m1 stop
Avianca Logo
01:40 - 15:35EZE-LHR
33h 55m1 stop
£728Avianca
Find Deal
Tue, 3 Mar - Mon, 30 Mar
Avianca Logo
21:40 - 00:35LHR-EZE
29h 55m1 stop
Avianca Logo
01:40 - 14:35EZE-LHR
33h 55m1 stop
£729Avianca
Find Deal
Sun, 8 Mar - Sat, 21 Mar
Lufthansa Logo
11:30 - 07:55LHR-EZE
23h 25m1 stop
Lufthansa Logo
17:45 - 15:50EZE-LHR
19h 05m1 stop
£737Lufthansa
Find Deal
Thu, 27 Nov - Thu, 11 Dec
Air France Logo
06:20 - 20:20LHR-EZE
17h 00m1 stop
Air France Logo
22:40 - 18:20EZE-LHR
16h 40m1 stop
£783Air France
Find Deal
Wed, 3 Dec - Wed, 10 Dec
Air France Logo
06:20 - 20:20LHR-EZE
17h 00m1 stop
Air France Logo
22:40 - 21:25EZE-LHR
19h 45m1 stop
£794Air France
Find Deal
Wed, 3 Dec - Tue, 9 Dec
Lufthansa Logo
16:30 - 07:55LHR-EZE
18h 25m1 stop
Lufthansa Logo
17:45 - 14:45EZE-LHR
18h 00m1 stop
£820Lufthansa
Find Deal
Thu, 4 Dec - Thu, 11 Dec
LATAM Airlines Logo
20:15 - 14:00LHR-AEP
20h 45m1 stop
LATAM Airlines Logo
12:40 - 14:05AEP-LHR
22h 25m1 stop
£854LATAM Airlines
Find Deal
Wed, 3 Dec - Tue, 9 Dec
LATAM Airlines Logo
20:15 - 14:00LHR-AEP
20h 45m1 stop
LATAM Airlines Logo
14:55 - 14:05AEP-LHR
20h 10m1 stop
£860LATAM Airlines
Find Deal
Fri, 21 Nov - Mon, 1 Dec
Iberia Logo
17:25 - 18:45LHR-MDZ
28h 20m2 stops
Iberia Logo
11:20 - 08:25MDZ-LHR
41h 05m2 stops
£1,425Iberia
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Fri, 13 Mar - Tue, 31 Mar

Lufthansa flights from London Heathrow Airport to Argentina

Our best Lufthansa deals on London Heathrow Airport to Argentina flight tickets
Lufthansa
27 Nov
LHR11:30London Heathrow
23h 25m
1 stop
EZE07:55Buenos Aires Ministro Pistarini
11 Dec
EZE17:45Buenos Aires Ministro Pistarini
19h 05m
1 stop
LHR15:50London Heathrow
£737
Find similar
Lufthansa
4 Dec
LHR16:30London Heathrow
18h 25m
1 stop
EZE07:55Buenos Aires Ministro Pistarini
11 Dec
EZE17:45Buenos Aires Ministro Pistarini
18h 00m
1 stop
LHR14:45London Heathrow
£820
Find similar
Lufthansa
4 Dec
LHR09:30London Heathrow
25h 25m
1 stop
EZE07:55Buenos Aires Ministro Pistarini
11 Dec
EZE17:45Buenos Aires Ministro Pistarini
19h 05m
1 stop
LHR15:50London Heathrow
£821
Find similar

Air France flights from London Heathrow Airport to Argentina

Our best Air France deals on London Heathrow Airport to Argentina flight tickets
Air France
3 Dec
LHR06:20London Heathrow
17h 00m
1 stop
EZE20:20Buenos Aires Ministro Pistarini
10 Dec
EZE22:40Buenos Aires Ministro Pistarini
16h 40m
1 stop
LHR18:20London Heathrow
£783
Find similar
Air France
3 Dec
LHR06:20London Heathrow
17h 00m
1 stop
EZE20:20Buenos Aires Ministro Pistarini
9 Dec
EZE22:40Buenos Aires Ministro Pistarini
19h 45m
1 stop
LHR21:25London Heathrow
£794
Find similar
Air France
7 Jan
LHR06:20London Heathrow
17h 00m
1 stop
EZE20:20Buenos Aires Ministro Pistarini
10 Feb
EZE22:40Buenos Aires Ministro Pistarini
16h 40m
1 stop
LHR18:20London Heathrow
£802
Find similar

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 20 October 2025.
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

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Sun 15/3

21:40-15:50

1 stop21h 10m

Buenos Aires Ministro Pistarini

Tue 31/3

16:45-15:35

1 stop18h 50m

£727

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Tue 3/3

21:40-05:50

1 stop35h 10m

Buenos Aires Ministro Pistarini

Mon 30/3

01:40-15:35

1 stop33h 55m

£728

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Sun 8/3

21:40-00:35

1 stop29h 55m

Buenos Aires Ministro Pistarini

Sat 21/3

01:40-14:35

1 stop33h 55m

£729

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Thu 27/11

11:30-07:55

1 stop23h 25m

Buenos Aires Ministro Pistarini

Thu 11/12

17:45-15:50

1 stop19h 05m

£737

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Wed 3/12

06:20-20:20

1 stop17h 00m

Buenos Aires Ministro Pistarini

Wed 10/12

22:40-18:20

1 stop16h 40m

£783

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Wed 3/12

06:20-20:20

1 stop17h 00m

Buenos Aires Ministro Pistarini

Tue 9/12

22:40-21:25

1 stop19h 45m

£794

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Thu 4/12

16:30-07:55

1 stop18h 25m

Buenos Aires Ministro Pistarini

Thu 11/12

17:45-14:45

1 stop18h 00m

£820

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Wed 3/12

20:15-14:00

1 stop20h 45m

Buenos Aires Jorge Newbery

Tue 9/12

12:40-14:05

1 stop22h 25m

£854

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Fri 21/11

20:15-14:00

1 stop20h 45m

Buenos Aires Jorge Newbery

Mon 1/12

14:55-14:05

1 stop20h 10m

£860

LondonMendoza

LHR - MDZ

LHRMDZ

London Heathrow

Fri 13/3

17:25-18:45

2 stops28h 20m

Mendoza El Plumerillo

Tue 31/3

11:20-08:25

2 stops41h 05m

£1,425

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 March is, on average, the cheapest month to fly to Argentina from London Heathrow Airport, with most prices found around £862. If you aren’t able to travel to Argentina during the month of March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of £875.

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 £993. 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 £1,136.

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

According to our data, the cheapest time of day to fly to Argentina is in the morning. momondo users have found flights departing from London Heathrow Airport to Argentina in the morning for as low as £836. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Argentina are more costly in the evening, with an average ticket price of £1,063. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 £1,020 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 £868 on momondo.

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

There are 2 cabin classes 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 26% 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

£1,447

Fastest flight time

15h 35m

Direct flights

Every day

Airports in Argentina

1 airport
The best flight deal from London Heathrow Airport to Argentina found on momondo in the last 72 hours is £1,447
The fastest flight from London Heathrow Airport to Argentina takes 15h 35m
Direct flights go from London Heathrow Airport to Argentina every day.
There is 1 airport near Argentina: Buenos Aires Ministro Pistarini (EZE)
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  • 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
Air FrancePriceFrom £446Free CancellationRating
7.4
1,475 reviews
Search Air France flights
AviancaPriceFrom £716Free CancellationRating
6.6
2,457 reviews
Search Avianca flights
IberiaPriceFrom £724Free CancellationRating
7.0
2,996 reviews
Search Iberia flights
FinnairPriceFrom £737Free CancellationRating
7.6
1,333 reviews
Search Finnair flights
British AirwaysPriceFrom £799Free CancellationRating
6.7
7,461 reviews
Search British Airways flights
LufthansaPriceFrom £821Free CancellationRating
6.8
7,507 reviews
Search Lufthansa flights
LATAM AirlinesPriceFrom £872Free CancellationRating
7.5
1,868 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom £876Free CancellationRating
7.2
11,023 reviews
Search American Airlines flights
KLMPriceFrom £1,024Free CancellationRating
7.7
1,404 reviews
Search KLM 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.

An easier way to manage your Argentina trip

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