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Cheap flights from London to Argentina from £516

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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — EZE
6 Jul — 13 Jul1
1 adult

Cheap flight deals from London to Argentina

Keep the following information in mind while searching for London to Argentina flight deals. Data was last updated 1 July 2025.

Round-trip from

£776

One-way from

£516

Popular in

December

Cheapest in

November

Average price

£966

Good round-trip deal

£936 or less

Good one-way deal

£753 or less
5/11-23/11
  • 5/11-23/11
  • 4 total stops
  • 43h 35m total
  • London to Argentina
Search Deals
21/9
  • 21/9
  • 2 total stops
  • 32h 25m total
  • London to Argentina
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£32 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a round-trip flight from London (LON) to Argentina.
Search Deals
Price to beat on a one-way flight from London (LON) to Argentina.
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Find flight deals from London to Argentina

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 1 July 2025.

Wed 5/1117:25LGW - AEP
2 stops22h 35mMultiple Airlines
Sun 23/1109:00AEP - LGW
2 stops21h 00mMultiple Airlines
Deal found 29/6£776
Mon 8/1217:25LGW - EZE
1 stop18h 25mAir Europa
Thu 15/113:15EZE - LGW
1 stop24h 10mAir Europa
Deal found 30/6£777
Wed 12/1118:40LGW - EZE
2 stops32h 35mSWISS
Sun 23/1107:00EZE - LGW
2 stops31h 50mSWISS
Deal found 30/6£782
Mon 10/1118:40LHR - AEP
2 stops20h 00mSWISS
Mon 24/1114:55AEP - LHR
3 stops27h 30mSWISS
Deal found 29/6£785
Tue 11/1118:40LGW - AEP
2 stops20h 00mSWISS
Fri 28/1114:55AEP - LGW
2 stops23h 55mSWISS
Deal found 30/6£785
Wed 12/1118:40LHR - EZE
2 stops32h 35mSWISS
Sun 23/1107:00EZE - LHR
2 stops27h 00mSWISS
Deal found 30/6£785
Sun 31/819:45LHR - EZE
1 stop30h 00mAir France
Mon 22/923:55EZE - LHR
1 stop17h 30mAir France
Deal found 28/6£788
Mon 7/717:50LCY - EZE
2 stops31h 55mKLM
Wed 23/723:55EZE - LCY
2 stops37h 25mKLM
Deal found 28/6£790
Wed 12/1117:45LCY - EZE
2 stops33h 30mSWISS
Tue 25/1107:00EZE - LCY
2 stops26h 50mSWISS
Deal found 30/6£790
Tue 11/1113:30LCY - AEP
2 stops25h 10mSWISS
Tue 25/1114:55AEP - LCY
2 stops18h 55mSWISS
Deal found 30/6£790
Tue 1/717:35LHR - EZE
1 stop32h 10mMultiple Airlines
Tue 8/716:10EZE - LHR
1 stop17h 40mMultiple Airlines
Deal found 30/6£791
Mon 27/1021:40LHR - AEP
1 stop35h 00mAvianca
Tue 11/1107:00AEP - LHR
1 stop28h 35mAvianca
Deal found 30/6£792

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 1 July 2025.
Use the filters below to find and compare flights from London to Argentina that are best for you.

Fly from

London

Fly to

Argentina

Route

Depart

Return

Price

LondonBuenos Aires

LGW - AEP

LGWAEP

London Gatwick

Wed 5/11

17:25-13:00

2 stops22h 35m

Buenos Aires Jorge Newbery

Sun 23/11

09:00-09:00

2 stops21h 00m

£776

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Mon 8/12

17:25-08:50

1 stop18h 25m

Buenos Aires Ministro Pistarini

Thu 15/1

13:15-16:25

1 stop24h 10m

£777

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Wed 12/11

18:40-00:15

2 stops32h 35m

Buenos Aires Ministro Pistarini

Sun 23/11

07:00-17:50

2 stops31h 50m

£782

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Mon 10/11

18:40-11:40

2 stops20h 00m

Buenos Aires Jorge Newbery

Mon 24/11

14:55-21:25

3 stops27h 30m

£785

LondonBuenos Aires

LGW - AEP

LGWAEP

London Gatwick

Tue 11/11

18:40-11:40

2 stops20h 00m

Buenos Aires Jorge Newbery

Fri 28/11

14:55-17:50

2 stops23h 55m

£785

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Wed 12/11

18:40-00:15

2 stops32h 35m

Buenos Aires Ministro Pistarini

Sun 23/11

07:00-13:00

2 stops27h 00m

£785

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Sun 31/8

19:45-21:45

1 stop30h 00m

Buenos Aires Ministro Pistarini

Mon 22/9

23:55-21:25

1 stop17h 30m

£788

LondonBuenos Aires

LCY - EZE

LCYEZE

London City

Wed 12/11

17:45-00:15

2 stops33h 30m

Buenos Aires Ministro Pistarini

Tue 25/11

07:00-12:50

2 stops26h 50m

£790

LondonBuenos Aires

LCY - AEP

LCYAEP

London City

Tue 11/11

13:30-11:40

2 stops25h 10m

Buenos Aires Jorge Newbery

Tue 25/11

14:55-12:50

2 stops18h 55m

£790

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Mon 27/10

21:40-05:40

1 stop35h 00m

Buenos Aires Jorge Newbery

Thu 13/11

07:00-14:35

1 stop28h 35m

£792

Flights are sorted by cheapest return flights first.

Deals found on 28/6

Showing 1-10 of 60 results
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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 £1,012). Flying from London to Argentina in December is currently the most expensive (average of £1,250). 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 1 July 2025.

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 1 July 2025.

The most flights from LON to AR0 are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

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 1 July 2025.
Check out reviews from past customers who have flown with Aerolineas Argentinas, Delta, andKLM 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.
Aerolineas Argentinas
8.1
Very Good
889 reviews
Check prices

Entertainment

5.7

Crew

8.3

Boarding

8.0

Overall

8.1

Comfort

7.5

Food

6.4

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.
Aerolineas Argentinas
8.1
Very Good
889 reviews
Aerolineas Argentinas
8.1
Very Good
889 reviews
Check prices

Entertainment

5.7

Crew

8.3

Boarding

8.0

Overall

8.1

Comfort

7.5

Food

6.4

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.
Delta
8.0
Very Good
7,973 reviews
Aerolineas Argentinas
8.1
Very Good
889 reviews
Check prices

Entertainment

5.7

Crew

8.3

Boarding

8.0

Overall

8.1

Comfort

7.5

Food

6.4

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.
KLM
7.8
Good
1,366 reviews
Aerolineas Argentinas
8.1
Very Good
889 reviews
Check prices

Entertainment

5.7

Crew

8.3

Boarding

8.0

Overall

8.1

Comfort

7.5

Food

6.4

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.
Air France
7.5
Good
1,471 reviews
Aerolineas Argentinas
8.1
Very Good
889 reviews
Check prices

Entertainment

5.7

Crew

8.3

Boarding

8.0

Overall

8.1

Comfort

7.5

Food

6.4

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.
SWISS
7.5
Good
1,653 reviews
Aerolineas Argentinas
8.1
Very Good
889 reviews
Check prices

Entertainment

5.7

Crew

8.3

Boarding

8.0

Overall

8.1

Comfort

7.5

Food

6.4

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.

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.

  • What are the cheapest airlines to fly from London to Argentina one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as £556. However, be on the lookout for offers from Aeromexico and SWISS, 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 £753. While the most popular route (London Heathrow - Buenos Aires Ministro Pistarini) can be booked for £717 on average our data indicates £941 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 £1,012). Flying from London to Argentina in December is currently the most expensive (average of £1,250). 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.

Alternative routes for London to Argentina

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from London to Argentina

Discover the top 10 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 1 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£437Average£1,042FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air EuropaCheapest£571Average£1,010FlexibilityNo cancel feeOn-time83%
Search Air Europa flights
ITA AirwaysCheapest£605Average£1,065FlexibilityNo cancel feeOn-time81%
Search ITA Airways flights
Air CanadaCheapest£631Average£671FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IberiaCheapest£680Average£994FlexibilityNo cancel feeOn-time77%
Search Iberia flights
FinnairCheapest£721Average£867FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£744Average£1,012FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£770Average£1,120FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£797Average£1,091FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
LATAM AirlinesCheapest£848Average£1,088FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines 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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