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Cheap flights from the United Kingdom to Buenos Aires from £316

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BUE
21 Feb — 28 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 22 January 2026.

Thu 5/317:20
MAN
-
EZE
2 stops21h 25m
British Airways
Thu 7/512:25
EZE
-
MAN
2 stops19h 05m
British Airways
Deal found 21/1£808
Fri 22/505:50
MAN
-
EZE
1 stop20h 15m
Air France
Sat 30/500:25
EZE
-
MAN
1 stop29h 35m
Air France
Deal found 22/1£811
Mon 9/218:20
MAN
-
EZE
1 stop17h 20m
Iberia
Thu 5/322:45
EZE
-
MAN
1 stop15h 55m
Iberia
Deal found 21/1£812
Wed 18/313:25
LHR
-
EZE
3 stops52h 45m
Air Canada
Wed 25/316:45
EZE
-
LHR
3 stops35h 25m
Air Canada
Deal found 20/1£817
Sat 25/414:05
LHR
-
EZE
3 stops52h 25m
Air Canada
Wed 13/516:35
EZE
-
LHR
2 stops34h 00m
Air Canada
Deal found 20/1£820
Sat 7/311:35
LHR
-
EZE
2 stops45h 45m
United Airlines
Tue 24/321:05
EZE
-
LHR
1 stop31h 25m
United Airlines
Deal found 20/1£823
Sun 15/321:40
LHR
-
AEP
1 stop35h 00m
Avianca
Sun 29/307:00
AEP
-
LHR
1 stop28h 35m
Avianca
Deal found 20/1£825
Thu 5/322:00
LHR
-
EZE
1 stop16h 45m
British Airways
Fri 13/319:20
EZE
-
LHR
1 stop18h 55m
British Airways
Deal found 20/1£825
Wed 11/310:30
LHR
-
EZE
1 stop24h 25m
Multiple Airlines
Wed 25/314:40
EZE
-
LHR
2 stops19h 20m
Multiple Airlines
Deal found 20/1£826
Thu 5/317:00
LTN
-
EZE
2 stops29h 50m
Multiple Airlines
Tue 17/313:50
EZE
-
LTN
2 stops29h 35m
Multiple Airlines
Deal found 20/1£826
Thu 5/315:50
LGW
-
EZE
2 stops31h 00m
Multiple Airlines
Tue 17/313:50
EZE
-
LGW
2 stops21h 25m
Multiple Airlines
Deal found 20/1£827
Fri 6/321:40
LHR
-
EZE
1 stop21h 10m
Avianca
Wed 18/307:30
EZE
-
LHR
1 stop28h 05m
Avianca
Deal found 20/1£827

Find 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 22 January 2026.

Round-trip from

£808

One-way from

£316

Popular in

December

Cheapest in

September

Average price

£899

Good round-trip deal

£911 or less
British Airways
  • British Airways
  • 5/3-7/5
  • 4 total stops
  • 40h 30m total
  • United Kingdom to Buenos Aires
Search Deals
15/4
  • 15/4
  • 2 total stops
  • 33h 10m total
  • United Kingdom to Buenos Aires
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. 2% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from United Kingdom to Buenos Aires (BUE).
Search Deals

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 22 January 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

ManchesterBuenos Aires

MAN - EZE

MANEZE

Manchester

Fri 22/5

05:50-22:05

1 stop20h 15m

Buenos Aires Ministro Pistarini

Sat 30/5

00:25-10:00

1 stop29h 35m

£815

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Sun 22/2

12:05-09:20

1 stop24h 15m

Buenos Aires Ministro Pistarini

Tue 3/3

23:55-07:30

1 stop28h 35m

£836

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Tue 24/2

12:05-07:20

1 stop22h 15m

Buenos Aires Ministro Pistarini

Tue 3/3

23:55-07:30

1 stop28h 35m

£836

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Thu 5/3

09:10-09:20

2 stops27h 10m

Buenos Aires Ministro Pistarini

Sun 8/3

21:05-10:15

1 stop34h 10m

£838

ManchesterBuenos Aires

MAN - EZE

MANEZE

Manchester

Sat 7/3

17:35-11:45

2 stops21h 10m

Buenos Aires Ministro Pistarini

Thu 7/5

12:25-11:30

2 stops19h 05m

£841

ManchesterBuenos Aires

MAN - EZE

MANEZE

Manchester

Fri 6/3

21:30-11:45

2 stops41h 15m

Buenos Aires Ministro Pistarini

Thu 7/5

12:25-11:30

2 stops19h 05m

£841

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Wed 17/6

20:40-16:05

1 stop23h 25m

Buenos Aires Ministro Pistarini

Sun 28/6

21:40-20:00

1 stop18h 20m

£846

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Sat 13/6

20:40-16:25

1 stop23h 45m

Buenos Aires Ministro Pistarini

Mon 29/6

13:00-10:50

1 stop17h 50m

£846

LondonBuenos Aires

STN - EZE

STNEZE

London Stansted

Thu 4/6

17:45-22:25

2 stops32h 40m

Buenos Aires Ministro Pistarini

Sun 7/6

23:55-22:10

2 stops42h 15m

£846

LondonBuenos Aires

LGW - AEP

LGWAEP

London Gatwick

Sat 7/3

10:10-11:45

2 stops28h 35m

Buenos Aires Jorge Newbery

Sat 14/3

13:40-20:40

2 stops28h 00m

£848

Flights are sorted by cheapest return flights first.

Deals found on 20/1

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 £656). Flying from United Kingdom to Buenos Aires in December is currently the most expensive (average of £879). 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 22 January 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 22 January 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 in the evening tend to experience delays more often.

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

Sunday 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 22 January 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
1,913 reviews
Check prices

Entertainment

7.0

Overall

7.5

Comfort

7.3

Crew

8.0

Food

6.7

Boarding

7.6

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
1,913 reviews
LATAM Airlines
7.5
Good
1,913 reviews
Check prices

Entertainment

7.0

Overall

7.5

Comfort

7.3

Crew

8.0

Food

6.7

Boarding

7.6

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
3,094 reviews
LATAM Airlines
7.5
Good
1,913 reviews
Check prices

Entertainment

7.0

Overall

7.5

Comfort

7.3

Crew

8.0

Food

6.7

Boarding

7.6

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
1,913 reviews
Check prices

Entertainment

7.0

Overall

7.5

Comfort

7.3

Crew

8.0

Food

6.7

Boarding

7.6

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
7,738 reviews
LATAM Airlines
7.5
Good
1,913 reviews
Check prices

Entertainment

7.0

Overall

7.5

Comfort

7.3

Crew

8.0

Food

6.7

Boarding

7.6

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
7,689 reviews
LATAM Airlines
7.5
Good
1,913 reviews
Check prices

Entertainment

7.0

Overall

7.5

Comfort

7.3

Crew

8.0

Food

6.7

Boarding

7.6

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 British Airways, Air France, and Iberia fly from United Kingdom to Buenos Aires in about 17h 20m. The time it takes to get you to your destination can typically vary by up to 4h 05m. United Kingdom and Buenos Aires are separated by a distance of 6954 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 £543 and Aeromexico from £562 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 City - 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 £903. While the most popular route (London Heathrow - Buenos Aires Ministro Pistarini) can be booked for £674 on average, our data indicates £1,089 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 £656). Flying from United Kingdom to Buenos Aires in December is currently the most expensive (average of £879). 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
Manchester to Jorge Newbery flights
Edinburgh to Ministro Pistarini flights
Inverness to Ministro Pistarini flights
Heathrow to Cordoba flights
Budapest to Ministro Pistarini flights
Amsterdam to Ministro Pistarini flights
Heathrow to Ushuaia flights
Madrid to Ministro Pistarini flights
Gatwick to Cordoba flights
London City to Cordoba flights
Gatwick to Ushuaia flights
Newcastle upon Tyne to Ministro Pistarini flights
Leeds to Ministro Pistarini flights
Heathrow to Rosario flights
Gatwick to Rosario flights
Heathrow to Mendoza flights
Glasgow Intl to Ministro Pistarini flights
London City to Mendoza flights
Birmingham to Ministro Pistarini flights
Manchester to Mendoza flights
Heathrow to Salta flights
Dublin to Ministro Pistarini flights
Charles de Gaulle to Ministro Pistarini flights
Aberdeen to Ministro Pistarini 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 22 January 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£666Average£1,438FlexibilityNo cancel feeOn-time75%
Search KLM flights
IberiaCheapest£692Average£975FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air FranceCheapest£699Average£1,225FlexibilityNo cancel feeOn-time77%
Search Air France flights
AviancaCheapest£700Average£797FlexibilityNo cancel feeOn-time71%
Search Avianca flights
Air EuropaCheapest£715Average£1,172FlexibilityNo cancel feeOn-time83%
Search Air Europa flights
FinnairCheapest£754Average£1,090FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£763Average£1,168FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Turkish AirlinesCheapest£779Average£809FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
British AirwaysCheapest£779Average£995FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£867Average£886FlexibilityNo 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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