Cheap flights from Buenos Aires to the United Kingdom from £361

BUE — LHR
13 Dec — 20 Dec1
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

Sun 22/1112:50 -
2 stops31h 05m
Sat 5/1205:55 -
2 stops31h 45m
Deal found 10/11£827
Mon 23/1111:45 -
2 stops30h 05m
Sun 6/1207:45 -
2 stops28h 55m
Deal found 8/11£829
Wed 25/1102:05 -
2 stops27h 55m
Thu 3/1217:25 -
2 stops34h 50m
Deal found 8/11£846
Mon 23/1116:45 -
3 stops49h 15m
Sun 21/209:00 -
3 stops33h 05m
Deal found 12/11£857
Wed 25/1114:25 -
1 stop39h 00m
Thu 3/1206:15 -
2 stops46h 00m
Deal found 9/11£872
Wed 25/1116:45 -
3 stops35h 25m
Fri 12/209:00 -
3 stops57h 05m
Deal found 12/11£876
Sun 22/1121:10 -
1 stop36h 50m
Sun 6/1206:20 -
2 stops45h 55m
Deal found 11/11£879
Wed 18/1114:25 -
1 stop19h 10m
Fri 27/1116:25 -
1 stop19h 20m
Deal found 9/11£882
Sat 28/1116:45 -
2 stops24h 55m
Sun 21/206:20 -
2 stops24h 50m
Deal found 12/11£887
Wed 18/1114:25 -
1 stop22h 50m
Fri 27/1115:10 -
1 stop20h 35m
Deal found 9/11£895
Sat 14/1116:45 -
2 stops36h 45m
Fri 27/1109:00 -
3 stops57h 05m
Deal found 11/11£908
Wed 9/1216:45 -
2 stops34h 45m
Fri 15/118:00 -
2 stops24h 05m
Deal found 10/11£912

Find flight deals from Buenos Aires to United Kingdom

Round-trip from

£827

One-way from

£361

Popular in

January

Cheapest in

March

Average price

£1,038
22/11-5/12
  • 22/11-5/12
  • 4 total stops
  • 62h 50m total
  • Buenos Aires to United Kingdom
25/11-31/12
  • 25/11-31/12
  • 2 total stops
  • 55h 25m total
  • Buenos Aires to United Kingdom
Highest demand for flights based on searches. 4% potential increase in price (£39 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£12 potential savings vs. average return price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
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 Buenos Aires Ministro Pistarini - LHR London Heathrow

EZELHR

Buenos Aires Ministro Pistarini

Tue 24/11

13:05-09:10

1 stop17h 05m

London Heathrow

Wed 31/12

00:00-20:00

Nonstop0h 00m

£390

Buenos AiresManchester

EZE Buenos Aires Ministro Pistarini - MAN Manchester

EZEMAN

Buenos Aires Ministro Pistarini

Tue 24/11

13:05-11:55

1 stop19h 50m

Manchester

Wed 31/12

00:00-20:00

Nonstop0h 00m

£395

Buenos AiresLondon

EZE Buenos Aires Ministro Pistarini - LGW London Gatwick

EZELGW

Buenos Aires Ministro Pistarini

Sun 29/11

19:45-12:20

1 stop37h 35m

London Gatwick

Wed 31/12

00:00-20:00

Nonstop0h 00m

£404

Buenos AiresLondon

EZE Buenos Aires Ministro Pistarini - LGW London Gatwick

EZELGW

Buenos Aires Ministro Pistarini

Mon 30/11

13:00-18:50

1 stop26h 50m

London Gatwick

Wed 31/12

00:00-20:00

Nonstop0h 00m

£431

Buenos AiresManchester

EZE Buenos Aires Ministro Pistarini - MAN Manchester

EZEMAN

Buenos Aires Ministro Pistarini

Mon 7/12

02:05-16:25

3 stops35h 20m

Manchester

Wed 31/12

00:00-20:00

Nonstop0h 00m

£432

Buenos AiresLondon

EZE Buenos Aires Ministro Pistarini - LHR London Heathrow

EZELHR

Buenos Aires Ministro Pistarini

Mon 30/11

13:00-20:05

1 stop28h 05m

London Heathrow

Wed 31/12

00:00-20:00

Nonstop0h 00m

£435

Buenos AiresLondon

AEP Buenos Aires Jorge Newbery - LTN London Luton

AEPLTN

Buenos Aires Jorge Newbery

Mon 19/4

13:10-20:50

2 stops51h 40m

London Luton

Wed 31/12

00:00-20:00

Nonstop0h 00m

£446

Buenos AiresLondon

EZE Buenos Aires Ministro Pistarini - LHR London Heathrow

EZELHR

Buenos Aires Ministro Pistarini

Fri 4/12

19:45-09:10

1 stop34h 25m

London Heathrow

Wed 31/12

00:00-20:00

Nonstop0h 00m

£450

Buenos AiresLondon

EZE Buenos Aires Ministro Pistarini - LGW London Gatwick

EZELGW

Buenos Aires Ministro Pistarini

Tue 1/12

13:00-14:45

1 stop22h 45m

London Gatwick

Wed 31/12

00:00-20:00

Nonstop0h 00m

£450

Buenos AiresLondon

AEP Buenos Aires Jorge Newbery - LTN London Luton

AEPLTN

Buenos Aires Jorge Newbery

Tue 24/11

11:50-14:15

2 stops23h 25m

London Luton

Wed 31/12

00:00-20:00

Nonstop0h 00m

£450

Flights are sorted by cheapest return flights first.

Deals found on 10/11

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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, March is the cheapest month in which you can book a flight from Buenos Aires to United Kingdom (average of £1,009). Flying from Buenos Aires to United Kingdom in January is currently the most expensive (average of £1,455). 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.

Weekly flight availability from Buenos Aires to United Kingdom

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 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 22 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

Read reviews from past customers who have flown with LATAM Airlines,Air France, 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.

Overall

7.5

Comfort

7.3

Entertainment

7.0

Crew

8.0

Food

6.8

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2026

GRU - JNB

No communication from captain about the delay long waiting time. Shitty airline with incompetent employees especially employees from Brazil.

Overall

7.5

Comfort

7.3

Entertainment

7.0

Crew

8.0

Food

6.8

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2026

GRU - JNB

No communication from captain about the delay long waiting time. Shitty airline with incompetent employees especially employees from Brazil.

Overall

7.5

Comfort

7.3

Entertainment

7.0

Crew

8.0

Food

6.8

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2026

GRU - JNB

No communication from captain about the delay long waiting time. Shitty airline with incompetent employees especially employees from Brazil.

Overall

7.5

Comfort

7.3

Entertainment

7.0

Crew

8.0

Food

6.8

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2026

GRU - JNB

No communication from captain about the delay long waiting time. Shitty airline with incompetent employees especially employees from Brazil.

Overall

7.5

Comfort

7.3

Entertainment

7.0

Crew

8.0

Food

6.8

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2026

GRU - JNB

No communication from captain about the delay long waiting time. Shitty airline with incompetent employees especially employees from Brazil.

Overall

7.5

Comfort

7.3

Entertainment

7.0

Crew

8.0

Food

6.8

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2026

GRU - JNB

No communication from captain about the delay long waiting time. Shitty airline with incompetent employees especially employees from Brazil.

Related info for your journey

  • How long is the flight from Buenos Aires to United Kingdom?

    Airlines like LEVEL, Air Canada, and United Airlines fly from Buenos Aires to United Kingdom in about 24h 20m. The time it takes to get you to your destination can typically vary by up to 12h 25m. 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 £502. American Airlines flights start at £551 while deals on Iberia start at £560 one-way.

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

  • 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, March is the cheapest month in which you can book a flight from Buenos Aires to United Kingdom (average of £1,009). Flying from Buenos Aires to United Kingdom in January is currently the most expensive (average of £1,455). 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

Top 2 airlines flying from Buenos Aires to United Kingdom

AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest£556Average£1,083FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
British AirwaysCheapest£1,052Average£1,294FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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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?

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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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