Cheap flights from the United Kingdom to Argentina from £427

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 31/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — EZE
12 Oct — 19 Oct1
1 adult
1 adult, Economy

Cheap flight deals from United Kingdom to Argentina

Keep the following information in mind while searching for United Kingdom to Argentina flight deals. Data was last updated 12 September 2025.

Round-trip from

£704

One-way from

£427

Popular in

December

Cheapest in

March

Average price

£854

Good round-trip deal

£1,189 or less
Avianca
  • Avianca
  • 12/11-23/11
  • 2 total stops
  • 69h 05m total
  • United Kingdom to Argentina
31/12
  • 31/12
  • 2 total stops
  • 26h 25m total
  • United Kingdom to Argentina
Highest demand for flights based on searches. 5% potential increase in price (£36 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£22 potential savings vs. average return price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from United Kingdom to Argentina.

Find flight deals from United Kingdom to Argentina

Cheapest flights from United Kingdom to Argentina
Explore the most affordable flight options available from United Kingdom to Argentina. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2025.

Wed 12/1121:40LHR - EZE
1 stop35h 10mAvianca
Sun 23/1101:40EZE - LHR
1 stop33h 55mAvianca
Deal found 10/9£704
Mon 10/1121:40LHR - EZE
1 stop21h 10mAvianca
Fri 28/1107:35EZE - LHR
1 stop28h 00mAvianca
Deal found 10/9£721
Wed 24/922:05LHR - EZE
1 stop30h 05mAvianca
Thu 23/1016:45EZE - LHR
1 stop18h 50mAvianca
Deal found 11/9£722
Wed 5/1121:40LHR - EZE
1 stop35h 10mAvianca
Tue 10/316:55EZE - LHR
1 stop18h 40mAvianca
Deal found 11/9£726
Sun 2/1121:40LHR - EZE
1 stop35h 10mAvianca
Sun 16/1101:40EZE - LHR
1 stop33h 55mAvianca
Deal found 10/9£727
Tue 4/1121:40LHR - EZE
1 stop35h 10mAvianca
Tue 24/216:55EZE - LHR
1 stop18h 40mAvianca
Deal found 11/9£733
Tue 4/1121:40LHR - EZE
1 stop29h 55mAvianca
Tue 10/316:55EZE - LHR
1 stop18h 40mAvianca
Deal found 11/9£734
Tue 11/1121:40LHR - EZE
1 stop35h 10mAvianca
Tue 25/1107:35EZE - LHR
1 stop28h 00mAvianca
Deal found 10/9£735
Thu 6/1121:40LHR - EZE
1 stop35h 10mAvianca
Mon 24/1101:40EZE - LHR
1 stop33h 55mAvianca
Deal found 11/9£737
Sun 26/1021:40LHR - AEP
1 stop35h 00mAvianca
Sun 9/1107:00AEP - LHR
1 stop28h 35mAvianca
Deal found 10/9£766
Mon 17/1121:40LHR - AEP
1 stop35h 00mAvianca
Wed 3/1207:00AEP - LHR
1 stop28h 35mAvianca
Deal found 11/9£774
Mon 22/922:05LHR - AEP
1 stop35h 35mAvianca
Fri 26/907:00AEP - LHR
1 stop28h 35mAvianca
Deal found 11/9£774

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom 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 September 2025.
Use the filters below to find and compare flights from the United Kingdom to Argentina that are best for you.

Fly from

United Kingdom

Fly to

Argentina

Route

Depart

Return

Price

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Tue 10/3

21:40-05:40

1 stop35h 00m

Buenos Aires Jorge Newbery

Tue 31/3

07:00-15:35

1 stop28h 35m

£769

LondonBuenos Aires

LCY - AEP

LCYAEP

London City

Thu 20/11

08:25-13:40

2 stops32h 15m

Buenos Aires Jorge Newbery

Fri 28/11

08:55-10:55

2 stops23h 00m

£780

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Sat 25/10

16:40-08:20

2 stops43h 40m

Buenos Aires Ministro Pistarini

Sun 23/11

23:55-07:30

1 stop28h 35m

£783

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Tue 18/11

21:40-05:40

1 stop35h 00m

Buenos Aires Jorge Newbery

Thu 27/11

07:00-14:35

1 stop28h 35m

£791

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Tue 28/10

21:40-05:40

1 stop35h 00m

Buenos Aires Jorge Newbery

Sat 8/11

07:00-14:35

1 stop28h 35m

£791

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Mon 3/11

21:40-05:40

1 stop35h 00m

Buenos Aires Jorge Newbery

Sun 8/3

07:00-14:35

1 stop28h 35m

£792

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Mon 3/11

21:40-05:40

1 stop35h 00m

Buenos Aires Jorge Newbery

Tue 10/3

07:00-14:35

1 stop28h 35m

£792

ManchesterBuenos Aires

MAN - EZE

MANEZE

Manchester

Sun 4/1

06:25-07:55

2 stops28h 30m

Buenos Aires Ministro Pistarini

Mon 16/2

17:45-17:00

1 stop20h 15m

£794

ManchesterBuenos Aires

MAN - EZE

MANEZE

Manchester

Tue 27/1

06:00-07:55

1 stop28h 55m

Buenos Aires Ministro Pistarini

Wed 4/2

14:40-17:55

2 stops24h 15m

£819

ManchesterBuenos Aires

MAN - AEP

MANAEP

Manchester

Wed 25/2

06:25-17:20

2 stops37h 55m

Buenos Aires Jorge Newbery

Mon 9/3

13:40-22:30

2 stops29h 50m

£832

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 60 results
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Best time to book a flight from United Kingdom to Argentina

Have a flexible travel schedule? Discover the best time to fly to Argentina from United Kingdom 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 the United Kingdom to Argentina

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

Currently, May is the cheapest month in which you can book a flight from United Kingdom to Argentina (average of £1,012). Flying from United Kingdom 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 GB to AR?

Find hourly flight availability from United Kingdom 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 September 2025.

When flying from United Kingdom 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.

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 September 2025.
Check out reviews from past customers who have flown with LATAM Airlines, Air Europa, andIberia from the United Kingdom 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.

Food

6.7

Boarding

7.6

Overall

7.5

Entertainment

7.0

Crew

8.0

Comfort

7.4

Reviews

1 / 20
8.0
Excellent

Darrel,Sept 2025

LIM - GRU

The Wi-Fi was not working, so there was no in-flight entertainment. The biggest disappointment was that my Delta diamond status did not transfer any status to my LATAM flight. I WOULD’VE THOUGHT THAT THERE WOULD BE A BETTER WORKING AGREEMENT BETWEEN THE AIRLINES.

Food

6.7

Boarding

7.6

Overall

7.5

Entertainment

7.0

Crew

8.0

Comfort

7.4

Reviews

1 / 20
8.0
Excellent

Darrel,Sept 2025

LIM - GRU

The Wi-Fi was not working, so there was no in-flight entertainment. The biggest disappointment was that my Delta diamond status did not transfer any status to my LATAM flight. I WOULD’VE THOUGHT THAT THERE WOULD BE A BETTER WORKING AGREEMENT BETWEEN THE AIRLINES.

Food

6.7

Boarding

7.6

Overall

7.5

Entertainment

7.0

Crew

8.0

Comfort

7.4

Reviews

1 / 20
8.0
Excellent

Darrel,Sept 2025

LIM - GRU

The Wi-Fi was not working, so there was no in-flight entertainment. The biggest disappointment was that my Delta diamond status did not transfer any status to my LATAM flight. I WOULD’VE THOUGHT THAT THERE WOULD BE A BETTER WORKING AGREEMENT BETWEEN THE AIRLINES.

Food

6.7

Boarding

7.6

Overall

7.5

Entertainment

7.0

Crew

8.0

Comfort

7.4

Reviews

1 / 20
8.0
Excellent

Darrel,Sept 2025

LIM - GRU

The Wi-Fi was not working, so there was no in-flight entertainment. The biggest disappointment was that my Delta diamond status did not transfer any status to my LATAM flight. I WOULD’VE THOUGHT THAT THERE WOULD BE A BETTER WORKING AGREEMENT BETWEEN THE AIRLINES.

Food

6.7

Boarding

7.6

Overall

7.5

Entertainment

7.0

Crew

8.0

Comfort

7.4

Reviews

1 / 20
8.0
Excellent

Darrel,Sept 2025

LIM - GRU

The Wi-Fi was not working, so there was no in-flight entertainment. The biggest disappointment was that my Delta diamond status did not transfer any status to my LATAM flight. I WOULD’VE THOUGHT THAT THERE WOULD BE A BETTER WORKING AGREEMENT BETWEEN THE AIRLINES.

Food

6.7

Boarding

7.6

Overall

7.5

Entertainment

7.0

Crew

8.0

Comfort

7.4

Reviews

1 / 20
8.0
Excellent

Darrel,Sept 2025

LIM - GRU

The Wi-Fi was not working, so there was no in-flight entertainment. The biggest disappointment was that my Delta diamond status did not transfer any status to my LATAM flight. I WOULD’VE THOUGHT THAT THERE WOULD BE A BETTER WORKING AGREEMENT BETWEEN THE AIRLINES.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom 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 United Kingdom to Argentina?

    Airlines like Avianca, United Airlines, and Lufthansa fly from United Kingdom to Argentina in about 28h 30m. The time it takes to get you to your destination can typically vary by up to 15h 10m. United Kingdom and Argentina are separated by a distance of 6954 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    One-way options have recently been found by users for as low as £542 on LEVEL. Other airlines that offer cheap prices include Aeromexico from £561 and United Airlines from £566 one-way.

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

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

  • How can I find direct flights from United Kingdom to Argentina?

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

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

    Yes. Cheapflights offers flight deals from United Kingdom 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 United Kingdom to Argentina?

    Currently, May is the cheapest month in which you can book a flight from United Kingdom to Argentina (average of £1,012). Flying from United Kingdom 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

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Alternative routes for United Kingdom to Argentina

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from United Kingdom to Argentina

Discover the top 10 airlines that operate flights from United Kingdom 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 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£442Average£1,153FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air EuropaCheapest£578Average£997FlexibilityNo cancel feeOn-time83%
Search Air Europa flights
Air CanadaCheapest£639Average£670FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Turkish AirlinesCheapest£641Average£689FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
IberiaCheapest£686Average£950FlexibilityNo cancel feeOn-time77%
Search Iberia flights
FinnairCheapest£731Average£936FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£731Average£962FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£756Average£1,133FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£842Average£1,317FlexibilityNo cancel feeOn-time75%
Search KLM flights
American AirlinesCheapest£863Average£879FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from United Kingdom to Argentina?

When you search for this flight from United Kingdom to Argentina, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Need flexible booking options for your flight to Argentina from United Kingdom? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for United Kingdom to Argentina flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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