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Cheap flights from London to Argentina from £374

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — EZE
11 Aug — 18 Aug1
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 12 July 2026.

Fri 9/1022:05
LHR
-
EZE
1 stop21h 35m
Avianca
Mon 26/1007:30
EZE
-
LHR
1 stop28h 05m
Avianca
Deal found 8/7£851
Fri 30/1021:40
LHR
-
EZE
1 stop35h 10m
Avianca
Mon 16/1116:55
EZE
-
LHR
1 stop18h 40m
Avianca
Deal found 12/7£852
Fri 6/1121:40
LHR
-
EZE
1 stop35h 10m
Avianca
Sat 21/1107:30
EZE
-
LHR
1 stop28h 05m
Avianca
Deal found 8/7£853
Fri 11/922:05
LHR
-
AEP
1 stop35h 35m
Avianca
Fri 18/907:00
AEP
-
LHR
1 stop28h 35m
Avianca
Deal found 10/7£853
Wed 23/908:30
LHR
-
EZE
2 stops34h 00m
Air Canada
Wed 14/1016:35
EZE
-
LHR
2 stops36h 00m
Air Canada
Deal found 9/7£854
Wed 18/1113:45
LHR
-
EZE
2 stops52h 20m
Air Canada
Sun 29/1116:45
EZE
-
LHR
1 stop36h 45m
Air Canada
Deal found 12/7£855
Sat 22/817:25
LGW
-
EZE
1 stop18h 15m
Air Europa
Sat 3/1012:10
EZE
-
LGW
1 stop16h 50m
Air Europa
Deal found 11/7£856
Tue 17/1118:00
LHR
-
EZE
2 stops24h 05m
Air Canada
Mon 30/1116:45
EZE
-
LHR
2 stops34h 45m
Air Canada
Deal found 10/7£857
Mon 26/1017:45
STN
-
EZE
2 stops22h 15m
Multiple Airlines
Mon 16/1113:05
EZE
-
STN
1 stop20h 55m
Multiple Airlines
Deal found 12/7£858
Thu 1/1014:05
LHR
-
EZE
3 stops52h 25m
Air Canada
Thu 22/1016:35
EZE
-
LHR
2 stops34h 00m
Air Canada
Deal found 9/7£859
Sat 29/822:05
LHR
-
AEP
1 stop35h 35m
Avianca
Mon 14/907:00
AEP
-
LHR
1 stop28h 35m
Avianca
Deal found 9/7£860
Mon 26/1017:45
STN
-
EZE
2 stops22h 15m
Multiple Airlines
Mon 9/1112:55
EZE
-
STN
1 stop21h 05m
Multiple Airlines
Deal found 10/7£860

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 12 July 2026.

Round-trip from

£851

One-way from

£374

Popular in

December

Cheapest in

September

Average price

£1,072

Good round-trip deal

£1,078 or less
Avianca
  • Avianca
  • 9/10-26/10
  • 2 total stops
  • 49h 40m total
  • London to Argentina
Search Deals
27/8
  • 27/8
  • 3 total stops
  • 49h 05m total
  • London to Argentina
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£55 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 12 July 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

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Sun 23/8

20:40-16:05

1 stop23h 25m

Buenos Aires Ministro Pistarini

Tue 29/9

13:00-10:50

1 stop17h 50m

£899

LondonBuenos Aires

LGW - AEP

LGWAEP

London Gatwick

Fri 6/11

10:45-09:20

2 stops25h 35m

Buenos Aires Jorge Newbery

Thu 26/11

13:35-20:35

2 stops28h 00m

£902

LondonBuenos Aires

LGW - AEP

LGWAEP

London Gatwick

Mon 16/11

21:35-09:20

2 stops38h 45m

Buenos Aires Jorge Newbery

Tue 8/12

11:50-15:45

2 stops24h 55m

£911

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Fri 6/11

06:00-09:20

2 stops30h 20m

Buenos Aires Jorge Newbery

Thu 26/11

11:50-18:55

2 stops28h 05m

£916

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Wed 23/9

11:20-17:20

2 stops34h 00m

Buenos Aires Jorge Newbery

Wed 14/10

14:30-17:45

2 stops23h 15m

£916

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Mon 21/9

10:45-09:45

2 stops27h 00m

Buenos Aires Ministro Pistarini

Sun 4/10

20:10-06:25

1 stop30h 15m

£935

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Mon 31/8

11:45-09:45

2 stops26h 00m

Buenos Aires Ministro Pistarini

Mon 7/9

20:10-06:45

2 stops30h 35m

£935

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Wed 30/12

12:30-09:40

1 stop24h 10m

Buenos Aires Ministro Pistarini

Fri 22/1

23:35-06:20

2 stops27h 45m

£936

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Sat 29/8

15:15-09:45

1 stop22h 30m

Buenos Aires Ministro Pistarini

Mon 14/9

20:10-10:20

2 stops34h 10m

£936

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Mon 21/9

08:00-17:20

2 stops37h 20m

Buenos Aires Jorge Newbery

Sun 4/10

14:30-17:45

2 stops23h 15m

£946

Flights are sorted by cheapest return flights first.

Deals found on 9/7

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 £118). Flying from London to Argentina in December is currently the most expensive (average of £1,337). 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 12 July 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 12 July 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 12 July 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
1,954 reviews
Check prices

Crew

8.0

Comfort

7.3

Entertainment

7.0

Boarding

7.5

Food

6.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
LATAM Airlines
7.4
Good
1,954 reviews
LATAM Airlines
7.4
Good
1,954 reviews
Check prices

Crew

8.0

Comfort

7.3

Entertainment

7.0

Boarding

7.5

Food

6.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
Air Europa
7.0
Good
625 reviews
LATAM Airlines
7.4
Good
1,954 reviews
Check prices

Crew

8.0

Comfort

7.3

Entertainment

7.0

Boarding

7.5

Food

6.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
Iberia
7.0
Good
3,254 reviews
LATAM Airlines
7.4
Good
1,954 reviews
Check prices

Crew

8.0

Comfort

7.3

Entertainment

7.0

Boarding

7.5

Food

6.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
Lufthansa
6.8
Okay
8,131 reviews
LATAM Airlines
7.4
Good
1,954 reviews
Check prices

Crew

8.0

Comfort

7.3

Entertainment

7.0

Boarding

7.5

Food

6.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
British Airways
6.7
Okay
8,106 reviews
LATAM Airlines
7.4
Good
1,954 reviews
Check prices

Crew

8.0

Comfort

7.3

Entertainment

7.0

Boarding

7.5

Food

6.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

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 23h 25m. The time it takes to get you to your destination can typically vary by up to 3h 35m. The distance between London and Argentina is about 6908 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 £314. 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 £962. While the most popular route (London Heathrow - Buenos Aires Ministro Pistarini) can be booked for £753 on average, our data indicates £1,118 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 £118). Flying from London to Argentina in December is currently the most expensive (average of £1,337). 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
Heathrow to Ministro Pistarini flights
London City to Guarulhos Intl flights
Heathrow to Bogotá flights
Stansted to Guarulhos Intl flights
Heathrow to Santos Dumont flights
Heathrow to Viracopos flights
Gatwick to Rio de Janeiro–Galeão Intl flights
London City to Rio de Janeiro–Galeão Intl flights
Heathrow to Lima flights
Heathrow to Santiago flights
Gatwick to Bogotá flights
Luton to Guarulhos Intl flights
Gatwick to Santos Dumont flights
Stansted to Bogotá flights
Heathrow to Jorge Newbery flights
Gatwick to Viracopos flights
Stansted to Rio de Janeiro–Galeão Intl flights
Gatwick to Lima flights
London City to Lima flights
Gatwick to Ministro Pistarini flights
London City to Bogotá flights
Heathrow to Congonhas flights
London City to Ministro Pistarini flights
Gatwick to Santiago flights
Stansted to Lima flights
Luton to Ministro Pistarini flights
Heathrow to Jose Maria Cordova Intl flights
Luton to Bogotá flights
Luton to Lima flights
London City to Santiago flights
Heathrow to Quito flights
Stansted to Santiago flights
Gatwick to Jose Maria Cordova Intl flights
London City to Jose Maria Cordova Intl flights
Heathrow to Cali flights
Gatwick to Georgetown flights
Manchester to Guarulhos Intl flights
London City to Jorge Newbery flights
Heathrow to Georgetown flights
Gatwick to Cali flights

Top 7 airlines flying from London to Argentina

Discover the top 7 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 12 July 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£665Average£750FlexibilityNo cancel feeOn-time71%
Search Avianca flights
Air EuropaCheapest£719Average£986FlexibilityNo cancel feeOn-time83%
Search Air Europa flights
IberiaCheapest£740Average£1,046FlexibilityNo cancel feeOn-time77%
Search Iberia flights
LATAM AirlinesCheapest£845Average£1,093FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
American AirlinesCheapest£869Average£885FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest£876Average£1,052FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£925Average£1,116FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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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