Cheap flights from London to Argentina from £435

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 27/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — EZE
15 Jul — 22 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 15 June 2026.

Thu 12/1121:40
LHR
-
COR
1 stop35h 40m
Avianca
Mon 16/1107:25
COR
-
LHR
1 stop28h 10m
Avianca
Deal found 10/6£728
Wed 7/1022:05
LHR
-
COR
1 stop36h 15m
Avianca
Thu 22/1007:25
COR
-
LHR
1 stop28h 10m
Avianca
Deal found 14/6£730
Tue 29/922:05
LHR
-
COR
1 stop36h 15m
Avianca
Mon 2/1107:25
COR
-
LHR
1 stop28h 10m
Avianca
Deal found 14/6£789
Wed 18/1121:40
LHR
-
COR
1 stop31h 15m
Multiple Airlines
Fri 27/1107:25
COR
-
LHR
2 stops22h 50m
Multiple Airlines
Deal found 15/6£798
Thu 1/1022:05
LHR
-
COR
1 stop36h 15m
Avianca
Fri 23/1007:25
COR
-
LHR
1 stop28h 10m
Avianca
Deal found 14/6£832
Sun 27/908:30
LHR
-
EZE
2 stops34h 00m
Air Canada
Mon 19/1016:35
EZE
-
LHR
2 stops37h 00m
Air Canada
Deal found 14/6£872
Wed 30/907:10
LGW
-
EZE
3 stops35h 20m
Multiple Airlines
Mon 19/1001:35
EZE
-
LGW
3 stops31h 05m
Multiple Airlines
Deal found 14/6£873
Fri 4/907:25
LHR
-
AEP
2 stops30h 00m
Lufthansa
Wed 23/912:55
AEP
-
LHR
2 stops23h 45m
Lufthansa
Deal found 13/6£873
Tue 28/715:55
STN
-
EZE
1 stop18h 50m
Multiple Airlines
Wed 12/813:25
EZE
-
STN
1 stop16h 10m
Multiple Airlines
Deal found 12/6£873
Thu 25/619:10
LHR
-
EZE
1 stop24h 55m
Iberia
Tue 30/617:50
EZE
-
LHR
1 stop18h 30m
Iberia
Deal found 14/6£873
Thu 2/720:00
LHR
-
EZE
1 stop24h 05m
British Airways
Wed 8/713:00
EZE
-
LHR
1 stop16h 30m
British Airways
Deal found 14/6£874
Mon 28/914:05
LHR
-
EZE
3 stops52h 25m
Air Canada
Mon 19/1016:35
EZE
-
LHR
2 stops34h 00m
Air Canada
Deal found 14/6£874

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 15 June 2026.

Round-trip from

£728

One-way from

£435

Popular in

December

Cheapest in

September

Average price

£903

Good round-trip deal

£1,107 or less
Avianca
  • Avianca
  • 12/11-16/11
  • 2 total stops
  • 63h 50m total
  • London to Argentina
27/11
  • 27/11
  • 3 total stops
  • 46h 20m total
  • London to Argentina
Highest demand for flights based on searches. 8% potential increase in price (£64 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£21 potential savings vs. average return price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from London (LON) to Argentina.

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 15 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

LondonCordoba

LHR - COR

LHRCOR

London Heathrow

Thu 12/11

21:40-06:20

1 stop35h 40m

Cordoba Pajas Blancas

Mon 16/11

07:25-14:35

1 stop28h 10m

£728

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Sat 4/7

17:30-06:25

1 stop16h 55m

Buenos Aires Ministro Pistarini

Sun 12/7

16:35-18:40

1 stop22h 05m

£873

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Sat 4/7

06:30-06:25

1 stop27h 55m

Buenos Aires Ministro Pistarini

Sun 5/7

16:35-22:10

1 stop25h 35m

£882

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

£883

LondonCordoba

LHR - COR

LHRCOR

London Heathrow

Wed 18/11

21:40-01:55

1 stop31h 15m

Cordoba Pajas Blancas

Fri 27/11

12:25-14:05

1 stop22h 40m

£894

LondonBuenos Aires

LCY - AEP

LCYAEP

London City

Tue 10/11

19:05-12:00

2 stops19h 55m

Buenos Aires Jorge Newbery

Mon 23/11

14:55-12:50

2 stops18h 55m

£897

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Thu 2/7

20:40-16:05

1 stop23h 25m

Buenos Aires Ministro Pistarini

Wed 8/7

13:00-10:50

1 stop17h 50m

£899

LondonBuenos Aires

LCY - EZE

LCYEZE

London City

Mon 5/10

19:15-16:05

1 stop24h 50m

Buenos Aires Ministro Pistarini

Wed 14/10

17:50-15:15

1 stop17h 25m

£913

LondonCordoba

LHR - COR

LHRCOR

London Heathrow

Wed 18/11

06:15-04:10

2 stops24h 55m

Cordoba Pajas Blancas

Fri 27/11

12:25-14:20

2 stops22h 55m

£916

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Tue 29/9

10:50-22:25

2 stops39h 35m

Buenos Aires Ministro Pistarini

Wed 21/10

23:55-09:55

2 stops30h 00m

£929

Flights are sorted by cheapest return flights first.

Deals found on 10/6

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 £118). Flying from London to Argentina in October is currently the most expensive (average of £1,972). 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 15 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 15 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 15 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.

Crew

8.0

Overall

7.4

Boarding

7.5

Entertainment

7.0

Comfort

7.3

Food

6.7

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.

Crew

8.0

Overall

7.4

Boarding

7.5

Entertainment

7.0

Comfort

7.3

Food

6.7

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.

Crew

8.0

Overall

7.4

Boarding

7.5

Entertainment

7.0

Comfort

7.3

Food

6.7

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.

Crew

8.0

Overall

7.4

Boarding

7.5

Entertainment

7.0

Comfort

7.3

Food

6.7

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.

Crew

8.0

Overall

7.4

Boarding

7.5

Entertainment

7.0

Comfort

7.3

Food

6.7

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.

Crew

8.0

Overall

7.4

Boarding

7.5

Entertainment

7.0

Comfort

7.3

Food

6.7

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 Avianca, Lufthansa, and SWISS fly from London to Argentina in about 16h 55m. The time it takes to get you to your destination can typically vary by up to 18h 45m. 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 £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?

  • What are the cheapest flights from London to Argentina?

    Looking at all options, your cheapest flight can be booked for £1,014. While the most popular route (London Heathrow - Buenos Aires Ministro Pistarini) can be booked for £781 on average, our data indicates £1,308 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 October is currently the most expensive (average of £1,972). 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.

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 15 June 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£665Average£751FlexibilityNo cancel feeOn-time71%
Search Avianca flights
Air EuropaCheapest£719Average£984FlexibilityNo cancel feeOn-time83%
Search Air Europa flights
IberiaCheapest£732Average£1,065FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air FranceCheapest£748Average£1,382FlexibilityNo cancel feeOn-time77%
Search Air France flights
LATAM AirlinesCheapest£845Average£1,086FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
American AirlinesCheapest£868Average£885FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest£875Average£1,040FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£939Average£1,231FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest£1,074Average£1,091FlexibilityNo 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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