Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from the United Kingdom to Buenos Aires from £371

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 19/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BUE
25 Dec — 1 Jan1
1 adult
1 adult, Economy, 0 bags

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 25 November 2025.

Wed 3/1212:30LGW - EZE
2 stops24h 45mAmerican Airlines
Fri 5/1223:59EZE - LGW
2 stops30h 01mAmerican Airlines
Deal found 21/11£840
Mon 1/1220:05LHR - EZE
2 stops42h 45mMultiple Airlines
Sun 7/1217:45EZE - LHR
1 stop16h 05mMultiple Airlines
Deal found 22/11£848
Wed 26/1111:25LHR - EZE
2 stops26h 15mAmerican Airlines
Fri 5/1223:20EZE - LHR
2 stops28h 00mAmerican Airlines
Deal found 22/11£850
Mon 15/1211:25LHR - EZE
2 stops25h 50mAmerican Airlines
Wed 28/121:40EZE - LHR
2 stops29h 40mAmerican Airlines
Deal found 24/11£855
Wed 26/1111:55LHR - EZE
1 stop23h 25mAmerican Airlines
Thu 4/1223:59EZE - LHR
1 stop29h 16mAmerican Airlines
Deal found 24/11£862
Sun 23/1110:35LHR - EZE
2 stops23h 50mAmerican Airlines
Thu 4/1223:59EZE - LHR
2 stops27h 21mAmerican Airlines
Deal found 22/11£865
Mon 15/1211:25LHR - EZE
2 stops25h 50mAmerican Airlines
Mon 2/210:10EZE - LHR
2 stops28h 05mAmerican Airlines
Deal found 24/11£866
Thu 11/1217:00LHR - EZE
1 stop20h 40mAmerican Airlines
Sun 1/220:45EZE - LHR
1 stop31h 00mAmerican Airlines
Deal found 24/11£870
Wed 10/1213:30LHR - EZE
2 stops24h 10mAmerican Airlines
Sat 7/210:10EZE - LHR
1 stop22h 20mAmerican Airlines
Deal found 21/11£871
Wed 3/1209:55LHR - EZE
2 stops27h 20mAmerican Airlines
Fri 5/1223:20EZE - LHR
2 stops28h 40mAmerican Airlines
Deal found 21/11£872
Wed 3/1217:00LHR - EZE
1 stop20h 40mAmerican Airlines
Tue 3/210:10EZE - LHR
1 stop23h 10mAmerican Airlines
Deal found 24/11£874
Sat 22/1115:35LHR - EZE
1 stop22h 05mAmerican Airlines
Mon 1/1220:45EZE - LHR
1 stop30h 35mAmerican Airlines
Deal found 22/11£875

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 25 November 2025.

Round-trip from

£782

One-way from

£371

Popular in

December

Cheapest in

September

Average price

£918

Good round-trip deal

£1,110 or less

Good one-way deal

£800 or less
Turkish Airlines
  • Turkish Airlines
  • 3/3-12/3
  • 4 total stops
  • 99h 05m total
  • United Kingdom to Buenos Aires
Search Deals
19/3
  • 19/3
  • 3 total stops
  • 41h 50m total
  • United Kingdom to Buenos Aires
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£44 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from United Kingdom to Buenos Aires (BUE).
Search Deals
Price to beat on a one-way 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 25 November 2025.
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

Thu 12/3

22:25-22:25

2 stops51h 00m

Buenos Aires Ministro Pistarini

Mon 30/3

23:55-22:20

2 stops42h 25m

£791

ManchesterBuenos Aires

MAN - EZE

MANEZE

Manchester

Wed 11/3

18:20-17:55

1 stop26h 35m

Buenos Aires Ministro Pistarini

Sun 15/3

22:45-17:40

1 stop15h 55m

£818

LondonBuenos Aires

LGW - AEP

LGWAEP

London Gatwick

Tue 5/5

07:20-05:40

2 stops26h 20m

Buenos Aires Jorge Newbery

Tue 19/5

07:00-17:20

2 stops30h 20m

£824

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Wed 4/3

17:25-08:50

1 stop18h 25m

Buenos Aires Ministro Pistarini

Wed 11/3

13:15-16:25

1 stop24h 10m

£828

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Tue 27/1

19:05-16:00

2 stops23h 55m

Buenos Aires Jorge Newbery

Tue 10/2

18:20-14:05

1 stop16h 45m

£834

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Wed 4/3

19:40-17:55

1 stop25h 15m

Buenos Aires Ministro Pistarini

Wed 18/3

14:20-10:50

1 stop17h 30m

£847

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Mon 26/1

18:30-07:55

1 stop16h 25m

Buenos Aires Ministro Pistarini

Thu 12/3

17:45-12:50

1 stop16h 05m

£855

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Thu 12/3

19:40-17:25

1 stop24h 45m

Buenos Aires Ministro Pistarini

Mon 16/3

19:30-19:00

1 stop20h 30m

£856

ManchesterBuenos Aires

MAN - EZE

MANEZE

Manchester

Wed 4/3

18:20-17:55

1 stop26h 35m

Buenos Aires Ministro Pistarini

Mon 16/3

19:30-20:55

2 stops22h 25m

£856

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Mon 2/3

21:40-05:40

1 stop35h 00m

Buenos Aires Jorge Newbery

Wed 25/3

07:00-14:35

1 stop28h 35m

£860

Flights are sorted by cheapest return flights first.

Deals found on 22/11

Showing 1-10 of 60 results
1
2
3
...
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, December is the cheapest month in which you can book a flight from United Kingdom to Buenos Aires (average of £574). Flying from United Kingdom to Buenos Aires in April is currently the most expensive (average of £834). 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 25 November 2025.

It’s optimal to fly from United Kingdom to Buenos Aires in the evening. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from United Kingdom to Buenos Aires?

Use this chart to determine the cheapest time to fly return from United Kingdom to Buenos Aires. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their United Kingdom to Buenos Aires flight should consider departing on Saturday evenings when fares are most often at their lowest. Saturday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 25 November 2025.

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 25 November 2025.
Check out reviews from past customers who have flown with LATAM Airlines, Air Europa, andIberia 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
1,887 reviews
Check prices

Overall

7.5

Comfort

7.3

Crew

8.0

Food

6.7

Boarding

7.6

Entertainment

7.0

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
1,887 reviews
LATAM Airlines
7.5
Good
1,887 reviews
Check prices

Overall

7.5

Comfort

7.3

Crew

8.0

Food

6.7

Boarding

7.6

Entertainment

7.0

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
7.0
Good
569 reviews
LATAM Airlines
7.5
Good
1,887 reviews
Check prices

Overall

7.5

Comfort

7.3

Crew

8.0

Food

6.7

Boarding

7.6

Entertainment

7.0

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
3,033 reviews
LATAM Airlines
7.5
Good
1,887 reviews
Check prices

Overall

7.5

Comfort

7.3

Crew

8.0

Food

6.7

Boarding

7.6

Entertainment

7.0

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
7,589 reviews
LATAM Airlines
7.5
Good
1,887 reviews
Check prices

Overall

7.5

Comfort

7.3

Crew

8.0

Food

6.7

Boarding

7.6

Entertainment

7.0

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
7,535 reviews
LATAM Airlines
7.5
Good
1,887 reviews
Check prices

Overall

7.5

Comfort

7.3

Crew

8.0

Food

6.7

Boarding

7.6

Entertainment

7.0

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 Turkish Airlines, British Airways, and Air Europa fly from United Kingdom to Buenos Aires in about 25h 50m. The time it takes to get you to your destination can typically vary by up to 25h 10m. United Kingdom and Buenos Aires are separated by a distance of 6908 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 Jorge Newbery. You may also consider London Heathrow - Buenos Aires Ministro Pistarini 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 £751. While the most popular route (London Heathrow - Buenos Aires Jorge Newbery) can be booked for £829 on average, our data indicates £1,027 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, December is the cheapest month in which you can book a flight from United Kingdom to Buenos Aires (average of £574). Flying from United Kingdom to Buenos Aires in April is currently the most expensive (average of £834). 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 United Kingdom to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Jorge Newbery flights
Heathrow to Ministro Pistarini flights
Gatwick to Ministro Pistarini flights
London City 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
Madrid to Ministro Pistarini flights
Edinburgh to Ministro Pistarini flights
Heathrow to Ushuaia flights
Budapest to Ministro Pistarini flights
Heathrow to Mendoza flights
Glasgow Intl to Ministro Pistarini flights
Heathrow to Cordoba flights
Birmingham to Ministro Pistarini flights
Gatwick to Cordoba flights
Barcelona-El Prat to Ministro Pistarini flights
Amsterdam to Ministro Pistarini flights
Manchester to Mendoza flights
London City to Cordoba flights
London City to Mendoza flights
Gatwick to Ushuaia flights
Heathrow to San Carlos de Bariloche flights
Aberdeen to Ministro Pistarini flights
Gatwick to San Carlos de Bariloche flights
Leeds to Ministro Pistarini flights
Dublin to Ministro Pistarini flights
Stansted to Mendoza flights
Charles de Gaulle to Ministro Pistarini flights
Heathrow to Salta flights
Bristol to Ministro Pistarini flights
Manchester to Rosario 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 25 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£457Average£1,188FlexibilityNo cancel feeOn-time77%
Search Air France flights
LufthansaCheapest£522Average£1,207FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IberiaCheapest£710Average£1,041FlexibilityNo cancel feeOn-time77%
Search Iberia flights
AviancaCheapest£717Average£817FlexibilityNo cancel feeOn-time71%
Search Avianca flights
Air EuropaCheapest£728Average£1,193FlexibilityNo cancel feeOn-time83%
Search Air Europa flights
FinnairCheapest£755Average£1,108FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£819Average£993FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LATAM AirlinesCheapest£893Average£1,055FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
American AirlinesCheapest£898Average£1,005FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
KLMCheapest£985Average£1,374FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.