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Cheap flights from the United Kingdom to Buenos Aires from £366

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BUE
13 feb — 20 feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Buenos Aires

Keep the following information in mind while searching for United Kingdom to Buenos Aires flight deals. Data was last updated 14 gennaio 2026.

Round-trip from

£775

One-way from

£366

Popular in

December

Cheapest in

September

Average price

£895

Good round-trip deal

£965 or less
Lufthansa
  • Lufthansa
  • 22/3-25/4
  • 2 total stops
  • 55h 10m total
  • United Kingdom to Buenos Aires
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11/3
  • 11/3
  • 3 total stops
  • 59h 30m total
  • United Kingdom to Buenos Aires
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£30 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 January 2026
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Price to beat on a round-trip flight from United Kingdom to Buenos Aires (BUE).
Search Deals

Find flight deals from United Kingdom to Buenos Aires

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to Buenos Aires
Explore the most affordable flight options available from United Kingdom to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 gennaio 2026.

dom 22/306:05
EDI
-
EZE
1 stop28h 50m
Lufthansa
sab 25/416:35
EZE
-
EDI
1 stop26h 20m
Lufthansa
Deal found 13/1£775
mer 11/316:45
LCY
-
EZE
1 stop19h 00m
ITA Airways
mar 24/322:00
EZE
-
LCY
1 stop39h 10m
ITA Airways
Deal found 13/1£810
ven 22/505:50
MAN
-
EZE
1 stop20h 15m
Air France
sab 30/500:25
EZE
-
MAN
1 stop29h 35m
Air France
Deal found 12/1£811
ven 11/906:15
STN
-
EZE
2 stops44h 10m
Turkish Airlines
sab 26/923:55
EZE
-
STN
1 stop30h 00m
Turkish Airlines
Deal found 13/1£811
dom 26/417:40
LHR
-
EZE
2 stops24h 50m
Air Canada
gio 14/516:35
EZE
-
LHR
2 stops37h 25m
Air Canada
Deal found 13/1£811
lun 11/509:15
LCY
-
EZE
1 stop25h 10m
Lufthansa
mar 26/516:35
EZE
-
LCY
1 stop21h 20m
Lufthansa
Deal found 13/1£812
ven 15/510:50
STN
-
EZE
2 stops39h 35m
Turkish Airlines
gio 18/623:55
EZE
-
STN
2 stops30h 00m
Turkish Airlines
Deal found 13/1£812
dom 25/1018:00
LHR
-
EZE
2 stops24h 10m
Air Canada
dom 1/1116:45
EZE
-
LHR
2 stops36h 45m
Air Canada
Deal found 13/1£813
mer 11/319:55
LHR
-
EZE
2 stops29h 30m
Turkish Airlines
mar 24/323:55
EZE
-
LHR
2 stops36h 00m
Turkish Airlines
Deal found 13/1£814
sab 9/517:25
LGW
-
EZE
1 stop18h 15m
Air Europa
dom 24/512:10
EZE
-
LGW
1 stop16h 50m
Air Europa
Deal found 13/1£815
dom 22/1117:20
STN
-
EZE
2 stops56h 05m
Turkish Airlines
mar 8/1223:55
EZE
-
STN
2 stops43h 20m
Turkish Airlines
Deal found 13/1£815
mer 4/316:35
LHR
-
EZE
2 stops32h 50m
Turkish Airlines
mer 18/323:55
EZE
-
LHR
2 stops43h 30m
Turkish Airlines
Deal found 13/1£815

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom to Buenos Aires 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 14 gennaio 2026.
Use the filters below to find and compare flights from the United Kingdom to Buenos Aires that are best for you.

Fly from

United Kingdom

Fly to

Buenos Aires

Route

Depart

Return

Price

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

sab 16/5

20:05-09:40

2 stops41h 35m

Buenos Aires Jorge Newbery

mer 17/6

14:55-13:00

2 stops18h 05m

£819

LondonBuenos Aires

STN - EZE

STNEZE

London Stansted

ven 26/6

17:45-22:25

2 stops32h 40m

Buenos Aires Ministro Pistarini

mar 14/7

23:55-16:50

2 stops36h 55m

£829

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

gio 26/2

12:05-07:20

1 stop22h 15m

Buenos Aires Ministro Pistarini

mar 10/3

21:05-07:30

1 stop31h 25m

£834

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

sab 31/1

16:20-07:20

2 stops42h 00m

Buenos Aires Ministro Pistarini

sab 7/2

23:55-06:20

2 stops27h 25m

£834

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

dom 1/3

22:35-22:25

2 stops26h 50m

Buenos Aires Ministro Pistarini

lun 9/3

23:55-09:55

2 stops31h 00m

£839

ManchesterBuenos Aires

MAN - EZE

MANEZE

Manchester

gio 30/4

10:50-10:45

2 stops27h 55m

Buenos Aires Ministro Pistarini

gio 14/5

12:25-11:30

2 stops19h 05m

£841

LondonBuenos Aires

LTN - EZE

LTNEZE

London Luton

mar 31/3

08:00-00:10

2 stops44h 10m

Buenos Aires Ministro Pistarini

mer 22/4

12:00-11:00

1 stop19h 00m

£846

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

gio 14/5

07:00-22:25

2 stops43h 25m

Buenos Aires Ministro Pistarini

lun 1/6

23:55-16:40

2 stops36h 45m

£846

ManchesterBuenos Aires

MAN - EZE

MANEZE

Manchester

mar 3/2

18:20-08:40

1 stop17h 20m

Buenos Aires Ministro Pistarini

mer 25/2

22:45-17:40

1 stop15h 55m

£852

EdinburghBuenos Aires

EDI - EZE

EDIEZE

Edinburgh Turnhouse

ven 20/3

08:10-11:50

2 stops30h 40m

Buenos Aires Ministro Pistarini

sab 25/4

16:35-22:55

1 stop26h 20m

£859

Flights are sorted by cheapest return flights first.

Deals found on 12/1

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

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires 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 Buenos Aires

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

Currently, September is the cheapest month in which you can book a flight from United Kingdom to Buenos Aires (average of £655). Flying from United Kingdom to Buenos Aires in December is currently the most expensive (average of £877). 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 BUE?

Find hourly flight availability from United Kingdom to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 gennaio 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from United Kingdom to Buenos Aires as you normally would.

Weekly flight availability from United Kingdom to Buenos Aires

Explore weekly flight availability from United Kingdom to Buenos Aires. 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 14 gennaio 2026.

The most flights from GB0 to BUE 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 often are flights from the United Kingdom to Buenos Aires delayed?

About 0% of weekly flights between United Kingdom and Buenos Aires have experienced delays in the past year, with the average delay time being 0 minutes.

What is the most punctual flight time for the United Kingdom to Buenos Aires flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Reviews of airlines servicing Buenos Aires

Get insights into the airlines that provide service to Buenos Aires. 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 Buenos Aires. Reviews last updated 14 gennaio 2026.
Check out reviews from past customers who have flown with LATAM Airlines, Iberia, andAir Europa from the United Kingdom to Buenos Aires 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
7.5
Good
1,904 reviews
Check prices

Entertainment

7.0

Crew

8.0

Boarding

7.6

Food

6.7

Comfort

7.3

Overall

7.5

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
7.5
Good
1,904 reviews
LATAM Airlines
7.5
Good
1,904 reviews
Check prices

Entertainment

7.0

Crew

8.0

Boarding

7.6

Food

6.7

Comfort

7.3

Overall

7.5

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
3,086 reviews
LATAM Airlines
7.5
Good
1,904 reviews
Check prices

Entertainment

7.0

Crew

8.0

Boarding

7.6

Food

6.7

Comfort

7.3

Overall

7.5

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
6.9
Okay
588 reviews
LATAM Airlines
7.5
Good
1,904 reviews
Check prices

Entertainment

7.0

Crew

8.0

Boarding

7.6

Food

6.7

Comfort

7.3

Overall

7.5

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
7,713 reviews
LATAM Airlines
7.5
Good
1,904 reviews
Check prices

Entertainment

7.0

Crew

8.0

Boarding

7.6

Food

6.7

Comfort

7.3

Overall

7.5

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
7,672 reviews
LATAM Airlines
7.5
Good
1,904 reviews
Check prices

Entertainment

7.0

Crew

8.0

Boarding

7.6

Food

6.7

Comfort

7.3

Overall

7.5

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 United Kingdom to Buenos Aires. 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 Buenos Aires?

    Airlines like SWISS, Turkish Airlines, and United Airlines fly from United Kingdom to Buenos Aires in about 22h 15m. The time it takes to get you to your destination can typically vary by up to 19h 20m. United Kingdom and Buenos Aires are separated by a distance of 6915 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    One-way options have recently been found by users for as low as £374 on Avianca. Other airlines that offer cheap prices include Iberia from £542 and Aeromexico from £560 one-way.

  • What are the most popular routes from United Kingdom to Buenos Aires?

    The most popular route from United Kingdom to Buenos Aires is London Heathrow - Buenos Aires Ministro Pistarini. You may also consider London Heathrow - Buenos Aires Jorge Newbery or London Gatwick - Buenos Aires Ministro Pistarini.

  • What are the cheapest flights from United Kingdom to Buenos Aires?

    Looking at all options, your cheapest flight can be booked for £902. While the most popular route (London Heathrow - Buenos Aires Ministro Pistarini) can be booked for £650 on average, our data indicates £1,087 when flying from United Kingdom to Buenos Aires.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from United Kingdom to Buenos Aires 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 Buenos Aires?

    Currently, September is the cheapest month in which you can book a flight from United Kingdom to Buenos Aires (average of £655). Flying from United Kingdom to Buenos Aires in December is currently the most expensive (average of £877). 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 Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Ministro Pistarini flights
Heathrow to Jorge Newbery flights
London City to Ministro Pistarini flights
Gatwick to Ministro Pistarini flights
Luton to Ministro Pistarini flights
London City to Jorge Newbery flights
Manchester to Ministro Pistarini flights
Edinburgh to Ministro Pistarini flights
Manchester to Jorge Newbery flights
Heathrow to Cordoba flights
Gatwick to Cordoba flights
Budapest to Ministro Pistarini flights
Glasgow Intl to Ministro Pistarini flights
Heathrow to Ushuaia flights
Amsterdam to Ministro Pistarini flights
Birmingham to Ministro Pistarini flights
Barcelona-El Prat to Ministro Pistarini flights
Madrid to Ministro Pistarini flights
Gatwick to San Carlos de Bariloche flights
Heathrow to San Carlos de Bariloche flights
Heathrow to Rosario flights
Gatwick to Rosario flights
Leeds to Ministro Pistarini flights
Gatwick to Ushuaia flights
Heathrow to Mendoza flights
Newcastle upon Tyne to Ministro Pistarini flights
London City to Cordoba flights
Inverness to Ministro Pistarini flights
Dublin to Ministro Pistarini flights
Heathrow to Salta flights
Charles de Gaulle to Ministro Pistarini flights
Bristol to Ministro Pistarini flights
Stansted to Mendoza flights
Aberdeen to Ministro Pistarini flights
London City to Mendoza flights

Top 10 airlines flying from United Kingdom to Buenos Aires

Discover the top 10 airlines that operate flights from United Kingdom to Buenos Aires. 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 14 gennaio 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£664Average£1,419FlexibilityNo cancel feeOn-time75%
Search KLM flights
Turkish AirlinesCheapest£675Average£798FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
IberiaCheapest£691Average£971FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air FranceCheapest£697Average£1,231FlexibilityNo cancel feeOn-time77%
Search Air France flights
AviancaCheapest£698Average£795FlexibilityNo cancel feeOn-time71%
Search Avianca flights
Air EuropaCheapest£709Average£1,170FlexibilityNo cancel feeOn-time83%
Search Air Europa flights
FinnairCheapest£752Average£1,088FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£761Average£1,244FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£778Average£990FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£866Average£969FlexibilityNo cancel feeOn-time71%
Search American 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 United Kingdom to Buenos Aires?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Buenos Aires from United Kingdom today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Buenos Aires?

Cheapflights simply makes it quick and affordable to book flights from United Kingdom to Buenos Aires 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 United Kingdom to Buenos Aires with no change fees?

Need flexible booking options for your flight to Buenos Aires 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 Buenos Aires become cheaper?

Yes! Start tracking prices for United Kingdom to Buenos Aires 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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