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Cheap flights from London to Argentina from £454

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 to Argentina departing on 31/12. 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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Cheap return flights

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United Airlines Logo
16:20 - 00:21LHR-COR
35h 01m2 stops
United Airlines Logo
05:37 - 05:55COR-LHR
45h 18m2 stops
£788United Airlines
Find Deal
Tue, 11 Nov - Tue, 25 Nov
United Airlines Logo
12:05 - 00:21LHR-COR
39h 16m2 stops
United Airlines Logo
05:37 - 05:55COR-LHR
45h 18m2 stops
£791United Airlines
Find Deal
Tue, 11 Nov - Tue, 25 Nov
Lufthansa Logo
16:30 - 07:55LHR-EZE
18h 25m1 stop
Lufthansa Logo
17:45 - 15:50EZE-LHR
19h 05m1 stop
£812Lufthansa
Find Deal
Sun, 7 Dec - Sat, 20 Dec
Lufthansa Logo
16:30 - 07:55LHR-EZE
18h 25m1 stop
Lufthansa Logo
17:45 - 12:50EZE-LHR
16h 05m1 stop
£818Lufthansa
Find Deal
Tue, 9 Dec - Sat, 13 Dec
Iberia Logo
19:40 - 17:55LGW-EZE
25h 15m1 stop
Iberia Logo
22:45 - 19:00EZE-LGW
17h 15m1 stop
£826Iberia
Find Deal
Sat, 24 Jan - Fri, 13 Feb
Iberia Logo
19:40 - 17:55LGW-EZE
25h 15m1 stop
Iberia Logo
22:45 - 19:00EZE-LGW
17h 15m1 stop
£828Iberia
Find Deal
Sat, 24 Jan - Fri, 13 Feb
LATAM Airlines Logo
20:15 - 09:40LHR-AEP
16h 25m1 stop
LATAM Airlines Logo
18:20 - 14:05AEP-LHR
16h 45m1 stop
£853LATAM Airlines
Find Deal
Tue, 25 Nov - Tue, 2 Dec
Air Europa Logo
10:00 - 08:50LGW-EZE
25h 50m1 stop
Air Europa Logo
13:15 - 16:25EZE-LGW
24h 10m1 stop
£860Air Europa
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Sun, 15 Mar - Sun, 22 Mar
Air Europa Logo
17:25 - 08:50LGW-EZE
18h 25m1 stop
Air Europa Logo
13:15 - 16:25EZE-LGW
24h 10m1 stop
£861Air Europa
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Fri, 6 Mar - Sun, 15 Mar
LATAM Airlines Logo
20:15 - 14:00LHR-AEP
20h 45m1 stop
LATAM Airlines Logo
14:55 - 14:05AEP-LHR
20h 10m1 stop
£868LATAM Airlines
Find Deal
Wed, 3 Dec - Mon, 8 Dec

Avianca flights from London to Argentina

Our best Avianca deals on London to Argentina flight tickets
Avianca
26 Feb
LHR21:40London Heathrow
35h 10m
1 stop
EZE05:50Buenos Aires Ministro Pistarini
20 Mar
EZE16:55Buenos Aires Ministro Pistarini
18h 40m
1 stop
LHR14:35London Heathrow
£807
Find similar
Avianca
7 Mar
LHR21:40London Heathrow
35h 10m
1 stop
EZE05:50Buenos Aires Ministro Pistarini
21 Mar
EZE16:55Buenos Aires Ministro Pistarini
18h 40m
1 stop
LHR14:35London Heathrow
£808
Find similar
Avianca
8 Feb
LHR21:40London Heathrow
35h 10m
1 stop
EZE05:50Buenos Aires Ministro Pistarini
18 Mar
EZE07:30Buenos Aires Ministro Pistarini
28h 05m
1 stop
LHR14:35London Heathrow
£810
Find similar

Lufthansa flights from London to Argentina

Our best Lufthansa deals on London to Argentina flight tickets
Lufthansa
7 Dec
LHR16:30London Heathrow
18h 25m
1 stop
EZE07:55Buenos Aires Ministro Pistarini
20 Dec
EZE17:45Buenos Aires Ministro Pistarini
19h 05m
1 stop
LHR15:50London Heathrow
£812
Find similar
Lufthansa
9 Dec
LHR16:30London Heathrow
18h 25m
1 stop
EZE07:55Buenos Aires Ministro Pistarini
13 Dec
EZE17:45Buenos Aires Ministro Pistarini
16h 05m
1 stop
LHR12:50London Heathrow
£818
Find similar
Lufthansa
3 Dec
LHR08:00London Heathrow
26h 20m
2 stops
EZE07:20Buenos Aires Ministro Pistarini
8 Dec
EZE23:55Buenos Aires Ministro Pistarini
30h 45m
2 stops
LHR09:40London Heathrow
£822
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London 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 31 October 2025.
Use the filters below to find and compare flights from London to Argentina that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonCordoba

LHR - COR

LHRCOR

London Heathrow

Tue 11/11

16:20-00:21

2 stops35h 01m

Cordoba Pajas Blancas

Tue 25/11

05:37-05:55

2 stops45h 18m

£788

LondonCordoba

LHR - COR

LHRCOR

London Heathrow

Tue 11/11

12:05-00:21

2 stops39h 16m

Cordoba Pajas Blancas

Tue 25/11

05:37-05:55

2 stops45h 18m

£791

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Sun 7/12

16:30-07:55

1 stop18h 25m

Buenos Aires Ministro Pistarini

Sat 20/12

17:45-15:50

1 stop19h 05m

£812

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Tue 9/12

16:30-07:55

1 stop18h 25m

Buenos Aires Ministro Pistarini

Sat 13/12

17:45-12:50

1 stop16h 05m

£818

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Sat 24/1

19:40-17:55

1 stop25h 15m

Buenos Aires Ministro Pistarini

Fri 13/2

22:45-19:00

1 stop17h 15m

£826

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Sat 24/1

19:40-17:55

1 stop25h 15m

Buenos Aires Ministro Pistarini

Fri 13/2

22:45-19:00

1 stop17h 15m

£828

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Tue 25/11

20:15-09:40

1 stop16h 25m

Buenos Aires Jorge Newbery

Tue 2/12

18:20-14:05

1 stop16h 45m

£853

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Sun 15/3

10:00-08:50

1 stop25h 50m

Buenos Aires Ministro Pistarini

Sun 22/3

13:15-16:25

1 stop24h 10m

£860

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Fri 6/3

17:25-08:50

1 stop18h 25m

Buenos Aires Ministro Pistarini

Sun 15/3

13:15-16:25

1 stop24h 10m

£861

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Wed 3/12

20:15-14:00

1 stop20h 45m

Buenos Aires Jorge Newbery

Mon 8/12

14:55-14:05

1 stop20h 10m

£868

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 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 September is, on average, the cheapest month to fly to Argentina from London, with most prices found around £859. If you aren’t able to travel to Argentina during the month of September, then flying in March is also cheap. Prices for this month can be found on momondo for an average of £881.

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 £1,008. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from London because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £1,183.

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 to Argentina in the morning for as low as £851. 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 £1,085. 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 to Argentina flight route?

Fly from London Heathrow to Buenos Aires Ministro Pistarini for the best London - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Argentina for around £1,039 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 for as low as £882 on momondo.

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

There are 2 cabin classes available to choose from on London 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 to Argentina flights?

You could potentially save up to 27% on your flight if you consider stops on a London to Argentina flight.

Cheap London to Argentina flight deals and tips

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

Best price found

£1,185

Fastest flight time

15h 35m

Direct flights

Every day

Airports in Argentina

1 airport
The best flight deal from London to Argentina found on momondo in the last 72 hours is £1,185
The fastest flight from London to Argentina takes 15h 35m
Direct flights go from London 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 to Argentina?

    Prices for flights from London to Argentina refresh daily.

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

  • How old do you have to be to fly from London 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 to Argentina.

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

    The travel and health documents required for your trip to Argentina can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Argentina. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from London to Argentina

Compare and see reviews for airlines that fly from London to Argentina with momondo
Airline
Rating
Free Cancellation
Price
Air FrancePriceFrom £455Free CancellationRating
7.4
1,482 reviews
Search Air France flights
Air EuropaPriceFrom £594Free CancellationRating
7.0
568 reviews
Search Air Europa flights
AviancaPriceFrom £729Free CancellationRating
6.6
2,467 reviews
Search Avianca flights
IberiaPriceFrom £737Free CancellationRating
7.0
3,004 reviews
Search Iberia flights
ITA AirwaysPriceFrom £744Free CancellationRating
6.7
1,078 reviews
Search ITA Airways flights
FinnairPriceFrom £750Free CancellationRating
7.6
1,333 reviews
Search Finnair flights
British AirwaysPriceFrom £814Free CancellationRating
6.7
7,489 reviews
Search British Airways flights
LufthansaPriceFrom £837Free CancellationRating
6.8
7,543 reviews
Search Lufthansa flights
LATAM AirlinesPriceFrom £888Free CancellationRating
7.5
1,873 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom £892Free CancellationRating
7.2
11,033 reviews
Search American Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Argentina from London.

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 you have performed a search for London to Argentina flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Argentina from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Argentina trip

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