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Cheap flights from the United Kingdom to Buenos Aires from £396

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 23/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BUE
13 Aug — 20 Aug1
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 14 July 2026.

Thu 19/1117:40
MAN
-
EZE
2 stops29h 10m
Lufthansa
Sun 13/1222:20
EZE
-
MAN
2 stops22h 00m
Lufthansa
Deal found 14/7£772
Wed 18/1112:15
MAN
-
EZE
2 stops23h 30m
Lufthansa
Wed 2/1213:50
EZE
-
MAN
2 stops24h 05m
Lufthansa
Deal found 11/7£836
Wed 2/911:25
MAN
-
EZE
2 stops24h 05m
Lufthansa
Thu 24/912:55
EZE
-
MAN
2 stops24h 25m
Lufthansa
Deal found 12/7£840
Fri 20/1117:20
MAN
-
EZE
2 stops21h 25m
British Airways
Sun 29/1113:35
EZE
-
MAN
2 stops21h 25m
British Airways
Deal found 14/7£843
Wed 2/909:30
MAN
-
EZE
1 stop34h 35m
British Airways
Thu 24/912:25
EZE
-
MAN
2 stops26h 50m
British Airways
Deal found 12/7£851
Fri 30/1021:40
LHR
-
EZE
1 stop35h 10m
Avianca
Mon 16/1116:55
EZE
-
LHR
1 stop18h 40m
Avianca
Deal found 12/7£854
Tue 22/908:45
LHR
-
EZE
3 stops33h 45m
Air Canada
Mon 5/1016:35
EZE
-
LHR
2 stops37h 00m
Air Canada
Deal found 12/7£855
Tue 18/807:00
MAN
-
EZE
2 stops19h 50m
Lufthansa
Tue 25/800:50
EZE
-
MAN
2 stops36h 45m
Lufthansa
Deal found 11/7£855
Fri 11/922:05
LHR
-
AEP
1 stop35h 35m
Avianca
Fri 18/907:00
AEP
-
LHR
1 stop28h 35m
Avianca
Deal found 10/7£855
Thu 8/1022:05
LHR
-
EZE
1 stop21h 35m
Multiple Airlines
Sat 24/1019:45
EZE
-
LHR
1 stop34h 25m
Multiple Airlines
Deal found 10/7£856
Fri 6/1121:40
LHR
-
EZE
1 stop35h 10m
Avianca
Fri 20/1101:40
EZE
-
LHR
1 stop33h 55m
Avianca
Deal found 12/7£857
Sat 22/817:25
LGW
-
EZE
1 stop18h 15m
Air Europa
Sat 3/1012:10
EZE
-
LGW
1 stop16h 50m
Air Europa
Deal found 11/7£858

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 14 July 2026.

Round-trip from

£771

One-way from

£396

Popular in

December

Cheapest in

September

Average price

£1,074

Good round-trip deal

£975 or less
Lufthansa
  • Lufthansa
  • 19/11-13/12
  • 4 total stops
  • 51h 10m total
  • United Kingdom to Buenos Aires
Search Deals
23/11
  • 23/11
  • 2 total stops
  • 47h 55m total
  • United Kingdom to Buenos Aires
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£55 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 July 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 14 July 2026.
Use the filters below to find and compare flights from the United Kingdom to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ManchesterBuenos Aires

MAN - AEP

MANAEP

Manchester

Wed 18/11

16:45-01:40

2 stops35h 55m

Buenos Aires Jorge Newbery

Sun 13/12

05:45-16:00

2 stops31h 15m

£870

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Tue 25/8

20:00-16:05

1 stop24h 05m

Buenos Aires Ministro Pistarini

Sun 27/9

17:50-14:55

1 stop17h 05m

£899

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Sun 23/8

20:40-16:05

1 stop23h 25m

Buenos Aires Ministro Pistarini

Tue 29/9

13:00-10:50

1 stop17h 50m

£901

LondonBuenos Aires

LGW - AEP

LGWAEP

London Gatwick

Fri 6/11

10:45-09:20

2 stops25h 35m

Buenos Aires Jorge Newbery

Thu 26/11

13:35-20:35

2 stops28h 00m

£905

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Wed 2/9

20:40-16:05

1 stop23h 25m

Buenos Aires Ministro Pistarini

Fri 18/9

13:00-20:00

1 stop27h 00m

£905

ManchesterBuenos Aires

MAN - EZE

MANEZE

Manchester

Thu 3/9

06:55-10:45

2 stops31h 50m

Buenos Aires Ministro Pistarini

Sun 23/5

12:25-07:45

2 stops39h 20m

£905

LondonBuenos Aires

LGW - AEP

LGWAEP

London Gatwick

Mon 16/11

21:35-09:20

2 stops38h 45m

Buenos Aires Jorge Newbery

Tue 8/12

11:50-15:45

2 stops24h 55m

£914

LondonBuenos Aires

LGW - AEP

LGWAEP

London Gatwick

Mon 9/11

21:35-09:20

2 stops38h 45m

Buenos Aires Jorge Newbery

Mon 16/11

10:30-09:50

2 stops20h 20m

£914

LondonBuenos Aires

LCY - EZE

LCYEZE

London City

Mon 24/8

19:15-16:05

1 stop24h 50m

Buenos Aires Ministro Pistarini

Wed 30/9

13:00-09:10

1 stop16h 10m

£914

LondonBuenos Aires

LGW - AEP

LGWAEP

London Gatwick

Fri 18/9

10:35-17:20

2 stops34h 45m

Buenos Aires Jorge Newbery

Sat 26/9

18:20-09:45

2 stops35h 25m

£920

Flights are sorted by cheapest return flights first.

Deals found on 12/7

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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, July is the cheapest month in which you can book a flight from United Kingdom to Buenos Aires (average of £118). Flying from United Kingdom to Buenos Aires in October is currently the most expensive (average of £2,028). 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 July 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 July 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 far ahead should I book a flight from United Kingdom to Buenos Aires?

The best time to book flights from United Kingdom to Buenos Aires is 55 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 July 2026.
Check out reviews from past customers who have flown with LATAM Airlines,Iberia, andLufthansa 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
7.4
Good
1,954 reviews
Check prices

Crew

8.0

Comfort

7.3

Overall

7.4

Entertainment

7.0

Boarding

7.5

Food

6.7

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
7.4
Good
1,954 reviews
LATAM Airlines
7.4
Good
1,954 reviews
Check prices

Crew

8.0

Comfort

7.3

Overall

7.4

Entertainment

7.0

Boarding

7.5

Food

6.7

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
3,253 reviews
LATAM Airlines
7.4
Good
1,954 reviews
Check prices

Crew

8.0

Comfort

7.3

Overall

7.4

Entertainment

7.0

Boarding

7.5

Food

6.7

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
8,134 reviews
LATAM Airlines
7.4
Good
1,954 reviews
Check prices

Crew

8.0

Comfort

7.3

Overall

7.4

Entertainment

7.0

Boarding

7.5

Food

6.7

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
8,115 reviews
LATAM Airlines
7.4
Good
1,954 reviews
Check prices

Crew

8.0

Comfort

7.3

Overall

7.4

Entertainment

7.0

Boarding

7.5

Food

6.7

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!
Avianca
6.5
Okay
2,523 reviews
LATAM Airlines
7.4
Good
1,954 reviews
Check prices

Crew

8.0

Comfort

7.3

Overall

7.4

Entertainment

7.0

Boarding

7.5

Food

6.7

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, TAP AIR PORTUGAL, and Delta fly from United Kingdom to Buenos Aires in about 24h 05m. The time it takes to get you to your destination can typically vary by up to 2h 55m. 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 £379 on Avianca. Other airlines that offer cheap prices include LATAM Airlines from £601 and Iberia from £681 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 £965. While the most popular route (London Heathrow - Buenos Aires Ministro Pistarini) can be booked for £766 on average, our data indicates £1,121 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, July is the cheapest month in which you can book a flight from United Kingdom to Buenos Aires (average of £118). Flying from United Kingdom to Buenos Aires in October is currently the most expensive (average of £2,028). 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.

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 July 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£684Average£947FlexibilityNo cancel feeOn-time70%
Search British Airways flights
AviancaCheapest£689Average£796FlexibilityNo cancel feeOn-time71%
Search Avianca flights
IberiaCheapest£695Average£1,037FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Turkish AirlinesCheapest£753Average£782FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Air FranceCheapest£793Average£1,147FlexibilityNo cancel feeOn-time77%
Search Air France flights
LufthansaCheapest£813Average£1,110FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
LATAM AirlinesCheapest£847Average£1,089FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
American AirlinesCheapest£871Average£888FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air EuropaCheapest£905Average£1,173FlexibilityNo cancel feeOn-time83%
Search Air Europa flights
KLMCheapest£1,021Average£1,315FlexibilityNo cancel feeOn-time75%
Search KLM 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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