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Cheap flights from Buenos Aires to the United Kingdom from £349

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 19/10. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — LHR
6 Aug — 13 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap 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 7 July 2026.

Sun 4/1001:35
EZE
-
EDI
2 stops25h 45m
Multiple Airlines
Mon 12/1009:00
EDI
-
EZE
2 stops43h 25m
Multiple Airlines
Deal found 2/7£885
Wed 19/816:35
EZE
-
EDI
2 stops34h 45m
Air Canada
Wed 26/809:00
EDI
-
EZE
2 stops33h 30m
Air Canada
Deal found 5/7£912
Wed 5/807:10
EZE
-
EDI
2 stops34h 00m
Multiple Airlines
Wed 19/805:45
EDI
-
EZE
2 stops27h 55m
Multiple Airlines
Deal found 5/7£921
Fri 11/1213:35
AEP
-
LHR
2 stops38h 35m
Multiple Airlines
Tue 12/113:00
LHR
-
AEP
2 stops31h 10m
Multiple Airlines
Deal found 3/7£949
Sat 7/1114:30
EZE
-
LHR
1 stop20h 35m
Multiple Airlines
Thu 19/1121:40
LHR
-
EZE
1 stop21h 10m
Multiple Airlines
Deal found 4/7£949
Thu 10/1214:25
EZE
-
STN
1 stop18h 05m
Multiple Airlines
Mon 11/115:45
STN
-
EZE
1 stop19h 00m
Multiple Airlines
Deal found 3/7£949
Mon 16/1113:35
AEP
-
LHR
2 stops38h 35m
Multiple Airlines
Mon 30/1115:00
LHR
-
AEP
2 stops29h 10m
Multiple Airlines
Deal found 3/7£950
Sun 9/813:25
EZE
-
LTN
1 stop20h 40m
Multiple Airlines
Tue 25/813:40
LTN
-
EZE
1 stop21h 05m
Multiple Airlines
Deal found 6/7£950
Tue 20/1007:10
EZE
-
LHR
2 stops48h 40m
Multiple Airlines
Sun 8/1111:10
LHR
-
EZE
2 stops31h 40m
Multiple Airlines
Deal found 6/7£950
Wed 4/1113:00
EZE
-
LGW
1 stop24h 20m
Multiple Airlines
Sat 21/1112:40
LGW
-
EZE
1 stop22h 05m
Multiple Airlines
Deal found 4/7£950
Tue 24/1113:35
AEP
-
LHR
2 stops37h 55m
Air Canada
Thu 3/1218:00
LHR
-
AEP
2 stops26h 10m
Air Canada
Deal found 2/7£951
Thu 10/1215:05
EZE
-
LTN
1 stop19h 25m
Multiple Airlines
Wed 13/107:45
LTN
-
EZE
1 stop23h 25m
Multiple Airlines
Deal found 3/7£951

Find 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 7 July 2026.

Round-trip from

£885

One-way from

£349

Popular in

January

Cheapest in

March

Average price

£1,288

Good one-way deal

£1,051 or less
4/10-12/10
  • 4/10-12/10
  • 4 total stops
  • 69h 10m total
  • Buenos Aires to United Kingdom
Search Deals
19/10
  • 19/10
  • 3 total stops
  • 41h 49m total
  • Buenos Aires to United Kingdom
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£41 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a one-way flight from Buenos Aires (BUE) to United Kingdom.
Search Deals

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 7 July 2026.
Use the filters below to find and compare flights from Buenos Aires to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Buenos AiresLondon

EZE - LHR

EZELHR

Buenos Aires Ministro Pistarini

Wed 16/12

13:50-09:40

1 stop16h 50m

London Heathrow

Wed 6/1

10:30-08:45

1 stop25h 15m

£951

Buenos AiresLondon

AEP - LTN

AEPLTN

Buenos Aires Jorge Newbery

Sun 15/11

05:45-13:30

2 stops28h 45m

London Luton

Mon 30/11

15:20-17:10

3 stops28h 50m

£957

Buenos AiresLondon

AEP - LTN

AEPLTN

Buenos Aires Jorge Newbery

Sat 15/8

10:20-18:10

2 stops27h 50m

London Luton

Sun 30/8

12:45-14:00

2 stops29h 15m

£985

Buenos AiresLondon

EZE - LTN

EZELTN

Buenos Aires Ministro Pistarini

Sun 26/7

13:25-14:05

1 stop20h 40m

London Luton

Tue 28/7

08:00-06:45

1 stop26h 45m

£993

Buenos AiresLondon

AEP - LTN

AEPLTN

Buenos Aires Jorge Newbery

Sun 9/8

11:45-19:10

2 stops27h 25m

London Luton

Thu 20/8

08:00-22:40

3 stops42h 40m

£1,000

Buenos AiresLondon

AEP - LTN

AEPLTN

Buenos Aires Jorge Newbery

Mon 10/8

18:20-23:00

3 stops24h 40m

London Luton

Sat 22/8

08:00-23:30

3 stops43h 30m

£1,003

Buenos AiresLondon

EZE - LGW

EZELGW

Buenos Aires Ministro Pistarini

Mon 23/11

13:15-16:25

1 stop24h 10m

London Gatwick

Thu 3/12

10:00-08:50

1 stop25h 50m

£1,006

Buenos AiresLondon

EZE - LTN

EZELTN

Buenos Aires Ministro Pistarini

Wed 5/8

12:55-14:00

1 stop21h 05m

London Luton

Thu 20/8

14:45-07:30

1 stop20h 45m

£1,016

Buenos AiresLondon

EZE - LGW

EZELGW

Buenos Aires Ministro Pistarini

Sun 8/11

11:15-09:00

2 stops18h 45m

London Gatwick

Sat 28/11

17:25-08:50

1 stop18h 25m

£1,019

Buenos AiresLondon

EZE - LGW

EZELGW

Buenos Aires Ministro Pistarini

Tue 4/8

12:10-16:25

1 stop24h 15m

London Gatwick

Thu 27/8

17:25-07:40

1 stop18h 15m

£1,025

Flights are sorted by cheapest return flights first.

Deals found on 6/7

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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, February is the cheapest month in which you can book a flight from Buenos Aires to United Kingdom (average of £62). Flying from Buenos Aires to United Kingdom in November is currently the most expensive (average of £704). 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 7 July 2026.

When flying from Buenos Aires to United Kingdom, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 7 July 2026.

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 from Buenos Aires to the United Kingdom delayed?

About 67% of weekly flights between Buenos Aires and United Kingdom have experienced delays in the past year, with the average delay time being 79 minutes.

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

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon 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 Thursday has historically faced a higher average of delays compared to other days of the week.

How far ahead should I book a flight from Buenos Aires to United Kingdom?

The best time to book flights from Buenos Aires to United Kingdom is 75 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 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 7 July 2026.
Read reviews from past customers who have flown with KLM,LATAM Airlines, andAmerican Airlines 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.
KLM
7.8
Good
1,534 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,534 reviews
KLM
7.8
Good
1,534 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
LATAM Airlines
7.4
Good
1,950 reviews
KLM
7.8
Good
1,534 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
American Airlines
7.1
Good
11,782 reviews
KLM
7.8
Good
1,534 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Air Europa
7.0
Good
623 reviews
KLM
7.8
Good
1,534 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
8,101 reviews
KLM
7.8
Good
1,534 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 ITA Airways, Air Europa, and United Airlines fly from Buenos Aires to United Kingdom in about 16h 50m. The time it takes to get you to your destination can typically vary by up to 15h 50m. Airlines will cover 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 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 Jorge Newbery - London Heathrow or Buenos Aires Ministro Pistarini - London Gatwick.

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

    While on average a flight from Buenos Aires to United Kingdom is generally £1,051, our data shows the cheapest flight currently is £1,051. When looking at the most popular route, (Buenos Aires Ministro Pistarini - London Heathrow), you can expect to pay £856 for that flight.

  • 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, February is the cheapest month in which you can book a flight from Buenos Aires to United Kingdom (average of £62). Flying from Buenos Aires to United Kingdom in November is currently the most expensive (average of £704). 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 airline flying from Buenos Aires to United Kingdom

Discover the top airline 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 7 July 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£1,044Average£1,302FlexibilityNo 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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