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Cheap flights from Buenos Aires to the United Kingdom from £462

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 25/3. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — LHR
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Buenos Aires to United Kingdom

Keep the following information in mind while searching for Buenos Aires to United Kingdom flight deals. Data was last updated 21 November 2025.

Round-trip from

£858

One-way from

£462

Popular in

July

Cheapest in

February

Average price

£1,060
Air Canada
  • Air Canada
  • 13/4-24/4
  • 4 total stops
  • 68h 10m total
  • Buenos Aires to United Kingdom
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25/3
  • 25/3
  • 2 total stops
  • 31h 45m total
  • Buenos Aires to United Kingdom
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£57 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Buenos Aires to United Kingdom

Enter your travel dates to find the best prices.

Cheapest flights from Buenos Aires to United Kingdom
Explore the most affordable flight options available from Buenos Aires to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 November 2025.

Wed 10/1213:15EZE - LGW
2 stops20h 40mMultiple Airlines
Sat 10/110:10LGW - EZE
2 stops35h 50mMultiple Airlines
Deal found 20/11£949
Sat 6/1216:55EZE - LHR
1 stop18h 40mAvianca
Wed 8/422:05LHR - EZE
1 stop21h 15mAvianca
Deal found 18/11£950
Thu 11/1207:00EZE - STN
3 stops37h 35mMultiple Airlines
Mon 29/1207:30STN - EZE
2 stops28h 20mMultiple Airlines
Deal found 19/11£953
Fri 21/1113:50EZE - LCY
1 stop18h 05mITA Airways
Thu 4/1208:25LCY - EZE
1 stop38h 25mITA Airways
Deal found 19/11£958
Mon 8/1212:40AEP - LHR
1 stop22h 25mLATAM Airlines
Tue 23/1220:15LHR - AEP
1 stop23h 45mLATAM Airlines
Deal found 19/11£959
Fri 21/1107:30EZE - LGW
2 stops29h 15mMultiple Airlines
Thu 4/1210:10LGW - EZE
2 stops19h 55mMultiple Airlines
Deal found 19/11£959
Mon 24/1119:45EZE - STN
1 stop32h 30mMultiple Airlines
Sun 7/1205:55STN - EZE
2 stops30h 40mMultiple Airlines
Deal found 19/11£966
Wed 10/1213:50EZE - LCY
1 stop18h 05mITA Airways
Sat 10/108:30LCY - EZE
2 stops27h 15mITA Airways
Deal found 20/11£976
Wed 24/1213:15EZE - LGW
1 stop16h 45mAir Europa
Mon 12/117:25LGW - EZE
1 stop18h 25mAir Europa
Deal found 19/11£977
Thu 11/1213:50EZE - LCY
1 stop23h 20mITA Airways
Mon 29/1208:25LCY - EZE
1 stop38h 25mITA Airways
Deal found 19/11£981
Sat 29/1114:55AEP - LGW
2 stops26h 45mMultiple Airlines
Tue 2/1207:20LGW - AEP
3 stops25h 00mMultiple Airlines
Deal found 20/11£985
Sat 27/1217:45EZE - LHR
1 stop19h 05mLufthansa
Sat 7/213:30LHR - EZE
1 stop21h 25mLufthansa
Deal found 19/11£991

Cheapflights Fare Finder

 
Customise your flight search to find flights from Buenos Aires to United Kingdom 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 21 November 2025.
Use the filters below to find and compare flights from Buenos Aires to the United Kingdom that are best for you.

Fly from

Buenos Aires

Fly to

United Kingdom

Route

Depart

Return

Price

Buenos AiresLondon

AEP - LHR

AEPLHR

Buenos Aires Jorge Newbery

Sat 24/1

08:50-14:05

3 stops26h 15m

London Heathrow

Wed 4/2

17:25-09:40

2 stops19h 15m

£950

Buenos AiresLondon

AEP - LGW

AEPLGW

Buenos Aires Jorge Newbery

Fri 13/3

17:15-19:00

2 stops22h 45m

London Gatwick

Mon 23/3

19:40-16:00

2 stops23h 20m

£951

Buenos AiresLondon

EZE - LTN

EZELTN

Buenos Aires Ministro Pistarini

Tue 5/5

15:00-12:45

2 stops41h 45m

London Luton

Wed 13/5

06:30-06:25

2 stops27h 55m

£952

Buenos AiresLondon

EZE - LTN

EZELTN

Buenos Aires Ministro Pistarini

Tue 10/2

22:45-20:20

1 stop18h 35m

London Luton

Fri 13/3

16:30-08:40

1 stop19h 10m

£957

Buenos AiresLondon

EZE - LTN

EZELTN

Buenos Aires Ministro Pistarini

Tue 17/2

22:45-20:20

1 stop18h 35m

London Luton

Tue 17/3

06:20-21:00

1 stop17h 40m

£958

Buenos AiresLondon

EZE - LTN

EZELTN

Buenos Aires Ministro Pistarini

Tue 17/2

22:45-20:20

1 stop18h 35m

London Luton

Fri 13/3

16:30-08:40

1 stop19h 10m

£962

Buenos AiresLondon

EZE - LGW

EZELGW

Buenos Aires Ministro Pistarini

Wed 24/12

13:15-09:00

1 stop16h 45m

London Gatwick

Mon 12/1

17:25-08:50

1 stop18h 25m

£977

Buenos AiresLondon

AEP - LHR

AEPLHR

Buenos Aires Jorge Newbery

Wed 29/4

14:55-15:05

1 stop20h 10m

London Heathrow

Thu 28/5

21:20-12:00

1 stop18h 40m

£988

Buenos AiresLondon

EZE - LGW

EZELGW

Buenos Aires Ministro Pistarini

Thu 19/2

13:15-09:00

1 stop16h 45m

London Gatwick

Mon 16/3

17:25-08:50

1 stop18h 25m

£1,002

Buenos AiresLondon

EZE - LGW

EZELGW

Buenos Aires Ministro Pistarini

Thu 19/2

13:15-16:25

1 stop24h 10m

London Gatwick

Tue 17/3

10:00-08:50

1 stop25h 50m

£1,002

Flights are sorted by cheapest return flights first.

Deals found on 20/11

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

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

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

Currently, May is the cheapest month in which you can book a flight from Buenos Aires to United Kingdom (average of £741). Flying from Buenos Aires to United Kingdom in September is currently the most expensive (average of £1,092). 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 BUE to GB?

Find hourly flight availability from Buenos Aires to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 November 2025.

It’s optimal to fly from Buenos Aires to United Kingdom in the morning. By choosing this option you can save up to 22% on the cost of your flight, compared to a flight at midday.

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

Use this chart to determine the cheapest time to fly return from Buenos Aires to United Kingdom. Price data was last updated on 30 March 2025.

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

Weekly flight availability from Buenos Aires to United Kingdom

Explore weekly flight availability from Buenos Aires to United Kingdom. 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 21 November 2025.

The most flights from BUE to GB0 are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

How often are flights $[0, preposition:'from ']$[0, article:'from ']$[0, place:'from'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] delayed?

About 40% of weekly flights between $[0, place:'genitive'] and $[1, place:'genitive'] have experienced delays in the past year, with the average delay time being 139 minutes.

What is the most punctual flight time for $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

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

Which airline has the best punctuality record on $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

Over the past year, Qatar Airways have had the lowest number of delays on this route, with just 50% of flights being delayed.

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated 21 November 2025.
Read reviews from past customers who have flown with LATAM Airlines, Air Europa, andIberia from Buenos Aires to the United Kingdom. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.5
Good
1,882 reviews
Check prices

Boarding

7.6

Entertainment

7.0

Crew

8.0

Overall

7.5

Comfort

7.3

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
7.5
Good
1,882 reviews
LATAM Airlines
7.5
Good
1,882 reviews
Check prices

Boarding

7.6

Entertainment

7.0

Crew

8.0

Overall

7.5

Comfort

7.3

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!
Air Europa
7.0
Good
569 reviews
LATAM Airlines
7.5
Good
1,882 reviews
Check prices

Boarding

7.6

Entertainment

7.0

Crew

8.0

Overall

7.5

Comfort

7.3

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
3,027 reviews
LATAM Airlines
7.5
Good
1,882 reviews
Check prices

Boarding

7.6

Entertainment

7.0

Crew

8.0

Overall

7.5

Comfort

7.3

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!
ITA Airways
6.7
Okay
1,086 reviews
LATAM Airlines
7.5
Good
1,882 reviews
Check prices

Boarding

7.6

Entertainment

7.0

Crew

8.0

Overall

7.5

Comfort

7.3

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
7,533 reviews
LATAM Airlines
7.5
Good
1,882 reviews
Check prices

Boarding

7.6

Entertainment

7.0

Crew

8.0

Overall

7.5

Comfort

7.3

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 Buenos Aires to United Kingdom. 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 Buenos Aires to United Kingdom?

    Airlines like LATAM Airlines, Air Europa, and ITA Airways fly from Buenos Aires to United Kingdom in about 16h 45m. The time it takes to get you to your destination can typically vary by up to 9h 30m. Airlines will cover 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 cheapest airlines to fly from Buenos Aires to United Kingdom one-way?

    To fly one-way, consider booking your trip with ITA Airways, which is currently one of the cheapest options available, starting at £463. United Airlines flights start at £480 while deals on Air Europa start at £483 one-way.

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

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

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Buenos Aires to United Kingdom (average of £741). Flying from Buenos Aires to United Kingdom in September is currently the most expensive (average of £1,092). 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 2 airlines flying from Buenos Aires to United Kingdom

Discover the top 2 airlines that operate flights from Buenos Aires to United Kingdom. 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 21 November 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£973Average£1,226FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£1,048Average£1,416FlexibilityNo cancel feeOn-time70%
Search British Airways 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 Buenos Aires to United Kingdom?

Deals for Buenos Aires to United Kingdom flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

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

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to United Kingdom from Buenos Aires today and book when prices fit your budget.

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