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Cheap flights from London to Argentina from £384

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — EZE
21 Jul — 28 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Argentina

Enter your travel dates to find the best prices.

Cheapest flights from London to Argentina
Explore the most affordable flight options available from London to Argentina. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 June 2026.

Thu 10/921:20
LHR
-
AEP
1 stop17h 10m
LATAM Airlines
Mon 28/918:20
AEP
-
LHR
1 stop16h 45m
LATAM Airlines
Deal found 17/6£887
Mon 21/905:55
STN
-
EZE
2 stops47h 25m
Multiple Airlines
Mon 12/1010:50
EZE
-
STN
1 stop19h 45m
Multiple Airlines
Deal found 21/6£887
Fri 13/1113:00
LHR
-
EZE
2 stops29h 10m
Air Canada
Fri 27/1116:45
EZE
-
LHR
3 stops35h 25m
Air Canada
Deal found 20/6£887
Thu 19/1117:25
LGW
-
EZE
1 stop18h 25m
Air Europa
Sun 29/1113:15
EZE
-
LGW
1 stop24h 10m
Air Europa
Deal found 19/6£888
Mon 16/1115:15
STN
-
EZE
1 stop19h 30m
Multiple Airlines
Thu 3/1214:25
EZE
-
STN
1 stop21h 20m
Multiple Airlines
Deal found 19/6£888
Mon 16/1110:00
LGW
-
EZE
1 stop25h 50m
Air Europa
Fri 27/1113:15
EZE
-
LGW
1 stop16h 45m
Air Europa
Deal found 19/6£889
Fri 11/922:05
LHR
-
EZE
1 stop21h 35m
Avianca
Fri 18/916:50
EZE
-
LHR
1 stop18h 45m
Avianca
Deal found 20/6£889
Mon 16/1115:25
LGW
-
EZE
1 stop19h 20m
Multiple Airlines
Sat 5/1214:25
EZE
-
LGW
1 stop23h 00m
Multiple Airlines
Deal found 19/6£890
Wed 11/1121:40
LHR
-
EZE
1 stop21h 10m
Multiple Airlines
Wed 2/1219:30
EZE
-
LHR
2 stops39h 35m
Multiple Airlines
Deal found 19/6£890
Wed 18/1117:25
LGW
-
EZE
1 stop17h 20m
Multiple Airlines
Sun 6/1214:25
EZE
-
LGW
1 stop23h 00m
Multiple Airlines
Deal found 19/6£890
Mon 28/910:45
LGW
-
EZE
2 stops48h 30m
American Airlines
Tue 20/1020:25
EZE
-
LGW
2 stops32h 10m
American Airlines
Deal found 17/6£891
Mon 9/1115:15
STN
-
EZE
1 stop18h 30m
Multiple Airlines
Sun 15/1114:25
EZE
-
STN
1 stop21h 25m
Multiple Airlines
Deal found 19/6£891

Find flight deals from London to Argentina

Keep the following information in mind while searching for London to Argentina flight deals. Data was last updated 21 June 2026.

Round-trip from

£887

One-way from

£384

Popular in

December

Cheapest in

September

Average price

£937

Good round-trip deal

£1,121 or less
LATAM Airlines
  • LATAM Airlines
  • 10/9-28/9
  • 2 total stops
  • 33h 55m total
  • London to Argentina
Search Deals
1/9
  • 1/9
  • 3 total stops
  • 40h 05m total
  • London to Argentina
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£64 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from London (LON) to Argentina.
Search Deals

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 21 June 2026.
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

Cheapest return flight
Fastest return journey

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Sat 5/9

21:45-10:45

1 stop17h 00m

Buenos Aires Ministro Pistarini

Sat 26/9

17:50-14:55

1 stop17h 05m

£899

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Sun 5/7

20:40-16:05

1 stop23h 25m

Buenos Aires Ministro Pistarini

Tue 21/7

13:00-10:50

1 stop17h 50m

£901

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Mon 16/11

18:30-02:00

2 stops34h 30m

Buenos Aires Jorge Newbery

Tue 8/12

13:35-21:35

2 stops29h 00m

£920

LondonBuenos Aires

LGW - AEP

LGWAEP

London Gatwick

Mon 16/11

16:35-02:00

2 stops36h 25m

Buenos Aires Jorge Newbery

Tue 8/12

13:35-09:50

2 stops41h 15m

£923

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Mon 16/11

09:40-09:40

2 stops27h 00m

Buenos Aires Ministro Pistarini

Tue 8/12

21:30-06:50

2 stops30h 20m

£937

LondonBuenos Aires

LTN - EZE

LTNEZE

London Luton

Wed 4/11

15:10-18:45

2 stops30h 35m

Buenos Aires Ministro Pistarini

Wed 18/11

09:25-13:30

2 stops25h 05m

£939

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Mon 17/8

22:05-15:40

1 stop21h 35m

Buenos Aires Ministro Pistarini

Mon 24/8

02:17-11:55

3 stops29h 38m

£945

LondonBuenos Aires

LCY - AEP

LCYAEP

London City

Thu 19/11

19:05-12:00

2 stops19h 55m

Buenos Aires Jorge Newbery

Wed 25/11

14:55-12:50

2 stops18h 55m

£950

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Sun 6/9

10:45-09:45

2 stops27h 00m

Buenos Aires Ministro Pistarini

Mon 14/9

20:10-06:20

2 stops30h 10m

£950

LondonBuenos Aires

LCY - AEP

LCYAEP

London City

Tue 10/11

19:05-12:00

2 stops19h 55m

Buenos Aires Jorge Newbery

Tue 24/11

14:55-12:50

2 stops18h 55m

£963

Flights are sorted by cheapest return flights first.

Deals found on 20/6

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from London to Argentina

Have a flexible travel schedule? Discover the best time to fly to Argentina from London with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Argentina

What is the cheapest month to book a flight from London to Argentina?

Currently, July is the cheapest month in which you can book a flight from London to Argentina (average of £119). Flying from London to Argentina in October is currently the most expensive (average of £2,145). 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 LON to AR?

Find hourly flight availability from London to Argentina. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 June 2026.

When flying from London 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 to Argentina

Explore weekly flight availability from London to Argentina. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 21 June 2026.

The most flights from LON 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 to Argentina?

To ensure you get the cheapest price possible for a flight from London to Argentina, you should look to book at least 55 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Argentina

Get insights into the airlines that provide service to Argentina. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Argentina. Reviews last updated 21 June 2026.
Check out reviews from past customers who have flown with LATAM Airlines,Air Europa, andIberia from London to Argentina to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.4
Good
1,940 reviews
Check prices

Food

6.7

Crew

8.0

Boarding

7.5

Entertainment

7.0

Overall

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.
LATAM Airlines
7.4
Good
1,940 reviews
LATAM Airlines
7.4
Good
1,940 reviews
Check prices

Food

6.7

Crew

8.0

Boarding

7.5

Entertainment

7.0

Overall

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.
Air Europa
7.0
Good
619 reviews
LATAM Airlines
7.4
Good
1,940 reviews
Check prices

Food

6.7

Crew

8.0

Boarding

7.5

Entertainment

7.0

Overall

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.
Iberia
7.0
Good
3,245 reviews
LATAM Airlines
7.4
Good
1,940 reviews
Check prices

Food

6.7

Crew

8.0

Boarding

7.5

Entertainment

7.0

Overall

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.
Lufthansa
6.8
Okay
8,086 reviews
LATAM Airlines
7.4
Good
1,940 reviews
Check prices

Food

6.7

Crew

8.0

Boarding

7.5

Entertainment

7.0

Overall

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.
British Airways
6.7
Okay
8,063 reviews
LATAM Airlines
7.4
Good
1,940 reviews
Check prices

Food

6.7

Crew

8.0

Boarding

7.5

Entertainment

7.0

Overall

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.

Related info for your journey

Find useful and relevant information for your journey from London to Argentina. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London to Argentina?

    Airlines like British Airways, TAP AIR PORTUGAL, and Delta fly from London to Argentina in about 17h. The time it takes to get you to your destination can typically vary by up to 17h 30m. The distance between London and Argentina is about 6915 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from London 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 Iberia, as they are both options that can get you from London to Argentina for a low price.

  • What are the most popular routes from London to Argentina?

    While some choose either London Heathrow - Buenos Aires Jorge Newbery or London Gatwick - Buenos Aires Ministro Pistarini, London Heathrow - Buenos Aires Ministro Pistarini is the most popular route from London to Argentina.

  • What are the cheapest flights from London to Argentina?

    Looking at all options, your cheapest flight can be booked for £1,027. While the most popular route (London Heathrow - Buenos Aires Ministro Pistarini) can be booked for £780 on average, our data indicates £1,380 when flying from London to Argentina.

  • Can I find deals for flights from London to Argentina that include hotel bookings?

    Yes. In addition to deals on London to Argentina flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Argentina?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Argentina.

  • Can I find deals for business class flights from London to Argentina?

    Yes. Cheapflights offers flight deals from London 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 to Argentina?

    Currently, July is the cheapest month in which you can book a flight from London to Argentina (average of £119). Flying from London to Argentina in October is currently the most expensive (average of £2,145). 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

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Alternative routes for London to Argentina

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Guarulhos Intl flights
Heathrow to Rio de Janeiro–Galeão Intl flights
Gatwick to Guarulhos Intl flights
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Heathrow to Ministro Pistarini flights
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Heathrow to Lima flights
Heathrow to Viracopos flights
Gatwick to Lima flights
London City to Lima flights
Heathrow to Santos Dumont flights
Gatwick to Rio de Janeiro–Galeão Intl flights
Heathrow to Jorge Newbery flights
London City to Rio de Janeiro–Galeão Intl flights
Gatwick to Bogotá flights
Gatwick to Ministro Pistarini flights
Stansted to Lima flights
Luton to Guarulhos Intl flights
Stansted to Bogotá flights
Gatwick to Viracopos flights
London City to Bogotá flights
Heathrow to Quito flights
London City to Ministro Pistarini flights
Gatwick to Santos Dumont flights
Heathrow to Congonhas flights
Heathrow to Santiago flights
Stansted to Rio de Janeiro–Galeão Intl flights
Luton to Lima flights
Luton to Ministro Pistarini flights
Luton to Bogotá flights
Gatwick to Quito flights
Heathrow to Jose Maria Cordova Intl flights
Heathrow to Cali flights
Heathrow to Cuzco flights
Gatwick to Santiago flights
Stansted to Quito flights
London City to Quito flights
Heathrow to Recife flights
Heathrow to Georgetown flights
Gatwick to Jose Maria Cordova Intl flights
London City to Jorge Newbery flights
Gatwick to Recife flights
Stansted to Santiago flights
Gatwick to Cuzco flights

Top 9 airlines flying from London to Argentina

Discover the top 9 airlines that operate flights from London to Argentina. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 June 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£673Average£761FlexibilityNo cancel feeOn-time71%
Search Avianca flights
Air EuropaCheapest£728Average£997FlexibilityNo cancel feeOn-time83%
Search Air Europa flights
IberiaCheapest£742Average£1,079FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air FranceCheapest£758Average£1,400FlexibilityNo cancel feeOn-time77%
Search Air France flights
LATAM AirlinesCheapest£856Average£1,100FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
American AirlinesCheapest£879Average£896FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest£886Average£1,054FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£952Average£1,247FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest£1,088Average£1,106FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Argentina?

Cheapflights helps you search for flights from London to Argentina via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from London to Argentina?

Cheapflights simply makes it quick and affordable to book flights from London to Argentina by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from London to Argentina with no change fees?

Yes, we can. To see specific flights from London to Argentina with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from London to Argentina become cheaper?

Yes, Cheapflights offers price alerts on London to Argentina flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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