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Cheap flights from London to Argentina from £429

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — EZE
2 Sep — 9 Sep1
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 3 August 2026.

Tue 15/918:10
LGW
-
EZE
1 stop16h 35m
Multiple Airlines
Tue 29/913:25
EZE
-
LGW
2 stops22h 10m
Multiple Airlines
Deal found 2/8£853
Mon 21/917:10
LGW
-
EZE
2 stops23h 15m
Multiple Airlines
Tue 6/1011:50
EZE
-
LGW
1 stop20h 50m
Multiple Airlines
Deal found 30/7£854
Mon 28/915:05
STN
-
EZE
2 stops25h 20m
Multiple Airlines
Wed 14/1012:55
EZE
-
STN
2 stops27h 25m
Multiple Airlines
Deal found 3/8£855
Mon 14/922:05
LHR
-
EZE
1 stop21h 35m
Avianca
Sun 27/916:50
EZE
-
LHR
1 stop18h 45m
Avianca
Deal found 31/7£855
Mon 12/1018:05
LTN
-
EZE
2 stops22h 20m
Multiple Airlines
Mon 19/1011:50
EZE
-
LTN
1 stop19h 10m
Multiple Airlines
Deal found 1/8£855
Thu 19/1118:45
LHR
-
EZE
1 stop25h 40m
British Airways
Mon 30/1113:35
EZE
-
LHR
1 stop15h 45m
British Airways
Deal found 1/8£856
Mon 12/1017:10
LGW
-
EZE
2 stops23h 15m
Multiple Airlines
Wed 21/1011:50
EZE
-
LGW
1 stop18h 25m
Multiple Airlines
Deal found 1/8£856
Tue 1/1209:00
LHR
-
EZE
3 stops33h 05m
Air Canada
Wed 27/116:45
EZE
-
LHR
2 stops36h 45m
Air Canada
Deal found 2/8£856
Sat 19/918:30
LGW
-
EZE
2 stops21h 55m
Multiple Airlines
Tue 6/1011:50
EZE
-
LGW
1 stop31h 00m
Multiple Airlines
Deal found 30/7£857
Fri 13/1116:25
LGW
-
AEP
3 stops32h 37m
Multiple Airlines
Sat 28/1111:55
AEP
-
LGW
2 stops25h 30m
Multiple Airlines
Deal found 31/7£857
Wed 25/1107:35
LHR
-
EZE
1 stop16h 25m
British Airways
Fri 4/1213:35
EZE
-
LHR
1 stop15h 45m
British Airways
Deal found 31/7£857
Mon 21/920:00
LHR
-
EZE
1 stop24h 05m
Multiple Airlines
Tue 6/1012:25
EZE
-
LHR
1 stop15h 45m
Multiple Airlines
Deal found 30/7£858

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 3 August 2026.

Round-trip from

£853

One-way from

£429

Popular in

December

Cheapest in

September

Average price

£1,033

Good round-trip deal

£1,000 or less
15/9-29/9
  • 15/9-29/9
  • 3 total stops
  • 38h 45m total
  • London to Argentina
Search Deals
5/9
  • 5/9
  • 2 total stops
  • 29h 05m total
  • London to Argentina
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£59 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 3 August 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

LTN - EZE

LTNEZE

London Luton

Mon 21/9

20:35-01:05

3 stops32h 30m

Buenos Aires Ministro Pistarini

Tue 6/10

16:45-19:55

3 stops23h 10m

£867

LondonBuenos Aires

LTN - EZE

LTNEZE

London Luton

Tue 29/9

19:45-06:45

3 stops39h 00m

Buenos Aires Ministro Pistarini

Mon 12/10

12:55-14:05

2 stops21h 10m

£893

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Fri 6/11

08:15-09:20

2 stops28h 05m

Buenos Aires Jorge Newbery

Thu 26/11

13:35-18:55

2 stops26h 20m

£906

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Tue 3/11

18:30-01:55

2 stops34h 25m

Buenos Aires Ministro Pistarini

Tue 24/11

12:45-22:40

2 stops30h 55m

£906

LondonBuenos Aires

LGW - AEP

LGWAEP

London Gatwick

Mon 16/11

11:00-09:20

2 stops25h 20m

Buenos Aires Jorge Newbery

Tue 8/12

09:00-09:50

2 stops21h 50m

£907

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Tue 8/9

08:00-16:15

3 stops36h 15m

Buenos Aires Ministro Pistarini

Tue 22/9

13:15-22:55

2 stops29h 40m

£907

LondonCordoba

LHR - COR

LHRCOR

London Heathrow

Sat 29/8

22:05-06:20

1 stop36h 15m

Cordoba Pajas Blancas

Mon 14/9

07:25-15:35

1 stop28h 10m

£912

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Mon 5/10

06:15-09:45

2 stops31h 30m

Buenos Aires Ministro Pistarini

Wed 14/10

20:10-10:20

2 stops34h 10m

£928

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Thu 28/1

19:05-18:00

1 stop25h 55m

Buenos Aires Ministro Pistarini

Wed 24/2

13:00-18:20

1 stop26h 20m

£933

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Wed 27/1

12:40-07:35

1 stop21h 55m

Buenos Aires Ministro Pistarini

Sun 21/2

23:35-06:50

2 stops28h 15m

£933

Flights are sorted by cheapest return flights first.

Deals found on 30/7

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, May is the cheapest month in which you can book a flight from London to Argentina (average of £868). Flying from London to Argentina in December is currently the most expensive (average of £1,315). 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 3 August 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 3 August 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 3 August 2026.
Check out reviews from past customers who have flown with LATAM Airlines,Air Europa, andLufthansa 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
1,968 reviews
Check prices

Overall

7.4

Crew

8.0

Food

6.7

Comfort

7.3

Boarding

7.5

Entertainment

7.0

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
1,968 reviews
LATAM Airlines
7.4
Good
1,968 reviews
Check prices

Overall

7.4

Crew

8.0

Food

6.7

Comfort

7.3

Boarding

7.5

Entertainment

7.0

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
631 reviews
LATAM Airlines
7.4
Good
1,968 reviews
Check prices

Overall

7.4

Crew

8.0

Food

6.7

Comfort

7.3

Boarding

7.5

Entertainment

7.0

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
8,175 reviews
LATAM Airlines
7.4
Good
1,968 reviews
Check prices

Overall

7.4

Crew

8.0

Food

6.7

Comfort

7.3

Boarding

7.5

Entertainment

7.0

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
8,148 reviews
LATAM Airlines
7.4
Good
1,968 reviews
Check prices

Overall

7.4

Crew

8.0

Food

6.7

Comfort

7.3

Boarding

7.5

Entertainment

7.0

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!
Avianca
6.5
Okay
2,524 reviews
LATAM Airlines
7.4
Good
1,968 reviews
Check prices

Overall

7.4

Crew

8.0

Food

6.7

Comfort

7.3

Boarding

7.5

Entertainment

7.0

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 TAP AIR PORTUGAL, Avianca, and Delta fly from London to Argentina in about 28h 05m. The time it takes to get you to your destination can typically vary by up to 8h 10m. The distance between London and Argentina is about 6896 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 £313. 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 £866. While the most popular route (London Heathrow - Buenos Aires Ministro Pistarini) can be booked for £671 on average, our data indicates £1,129 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, May is the cheapest month in which you can book a flight from London to Argentina (average of £868). Flying from London to Argentina in December is currently the most expensive (average of £1,315). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 3 August 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£661Average£743FlexibilityNo cancel feeOn-time71%
Search Avianca flights
Air EuropaCheapest£715Average£804FlexibilityNo cancel feeOn-time83%
Search Air Europa flights
IberiaCheapest£735Average£1,014FlexibilityNo cancel feeOn-time77%
Search Iberia flights
LATAM AirlinesCheapest£840Average£1,087FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
American AirlinesCheapest£863Average£880FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest£870Average£1,024FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£919Average£1,104FlexibilityNo 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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