How long is the flight from London to Buenos Aires?

A quick flight from London to Buenos Aires can take about 22h 30m. TAP AIR PORTUGAL provides one of the quickest options available for as low as £936. London and Buenos Aires are separated by a distance of 6915 mi. Both multi-stop and direct flights can be found to your destination and back.

What are the cheapest airlines flying from London to Buenos Aires round-trip?

Our cheapest airline available from London to Buenos Aires is Avianca. Our recent data shows that you can find tickets from as low as £691 on this airline. Additional options worth looking into are Iberia and LATAM Airlines, starting at £738 and £843 round-trip. Avianca is 28% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from London to Buenos Aires one-way?

One-way options have recently been found by users for as low as £496 on KLM. Other airlines that offer cheap prices include Avianca from £502 and LATAM Airlines from £549 one-way.

In terms of precipitation, rainfall in Buenos Aires ranges from 50.0 - 100.0 inches per month. January is typically the wettest month, when rainfall can reach 100.0 mm. June is typically the driest time to visit Buenos Aires when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 11.0 C).

What are the most popular routes from London to Buenos Aires?

Most travelers choose London Heathrow - Buenos Aires Ministro Pistarini, London Heathrow - Buenos Aires Jorge Newbery or London Gatwick - Buenos Aires Ministro Pistarini when deciding on the best route from London to Buenos Aires.

What are the cheapest flights from London to Buenos Aires?

The cheapest flight price from London to Buenos Aires is £869. On average you can expect to pay £1,133. The most popular route, (London Heathrow - Buenos Aires Ministro Pistarini), can usually be booked for £675.

What are the most popular airlines that fly from London to Buenos Aires?

Consider Avianca, British Airways or Lufthansa when booking your flight. These represent the most popular airlines when flying from London to Buenos Aires.

Can I find deals for flights from London to Buenos Aires that include hotel bookings?

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

How can I find direct flights from London to Buenos Aires?

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

Can I find deals for business class flights from London to Buenos Aires?

Yes. Cheapflights offers flight deals from London 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.

£431+ Cheap Flights from London to Buenos Aires

Cheap flight deals from London to Buenos Aires

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from London to Buenos Aires
Explore the most affordable flight options available from London to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 August 2026.

Mon 23/1119:15 -

1 stop25h 10m

Wed 2/1219:20 -

1 stop15h 45m

Deal found 3/8£830

Mon 21/914:30 -

3 stops25h 55m

Tue 29/900:50 -

2 stops35h 35m

Deal found 4/8£833

Mon 14/905:55 -

2 stops30h 20m

Sun 11/1019:45 -

1 stop23h 20m

Deal found 5/8£833

Wed 23/918:10 -

2 stops22h 15m

Tue 6/1012:55 -

2 stops30h 50m

Deal found 4/8£834

Tue 1/906:00 -

2 stops29h 05m

Tue 29/900:50 -

2 stops27h 40m

Deal found 5/8£835

Wed 9/908:20 -

2 stops26h 25m

Sun 11/1019:45 -

1 stop23h 20m

Deal found 5/8£835

Mon 7/905:55 -

2 stops26h 05m

Wed 7/1012:55 -

2 stops28h 35m

Deal found 5/8£836

Mon 28/907:55 -

2 stops45h 25m

Wed 14/1011:50 -

1 stop19h 10m

Deal found 4/8£836

Mon 21/912:15 -

2 stops28h 10m

Tue 29/900:50 -

2 stops30h 10m

Deal found 5/8£840

Mon 14/910:00 -

1 stop24h 45m

Thu 24/913:25 -

1 stop18h 15m

Deal found 3/8£841

Fri 20/1106:15 -

2 stops22h 00m

Thu 10/1217:00 -

1 stop18h 05m

Deal found 4/8£841

Mon 21/915:05 -

2 stops25h 20m

Tue 29/900:50 -

2 stops33h 30m

Deal found 4/8£844

Best flights from London to Buenos Aires
Discover carefully curated flight deals from London to Buenos Aires that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 August 2026.

Tue 1/908:00 -

2 stops27h 05m

Tue 29/900:50 -

2 stops30h 10m

Deal found 5/8£850

Fri 27/1110:45 -

2 stops25h 35m

Sun 6/1203:15 -

2 stops33h 30m

Deal found 31/7£903

Tue 8/915:15 -

1 stop22h 30m

Tue 22/920:10 -

2 stops32h 40m

Deal found 31/7£936

Mon 16/1109:10 -

2 stops25h 10m

Thu 3/1223:55 -

2 stops27h 00m

Deal found 3/8£970

Fri 27/1110:00 -

1 stop25h 50m

Mon 21/1213:15 -

1 stop16h 45m

Deal found 4/8£986

Wed 25/1110:55 -

2 stops38h 30m

Tue 1/1223:55 -

2 stops31h 00m

Deal found 31/7£1,007

Mon 14/919:15 -

1 stop24h 50m

Mon 21/917:50 -

1 stop17h 25m

Deal found 31/7£1,034

Wed 9/917:10 -

1 stop16h 40m

Wed 23/915:05 -

1 stop21h 35m

Deal found 4/8£1,073

Wed 4/1117:45 -

2 stops21h 15m

Tue 17/1112:55 -

2 stops20h 55m

Deal found 2/8£1,286

Mon 21/920:35 -

3 stops32h 30m

Tue 6/1016:45 -

3 stops23h 10m

Deal found 1/8£870

Fri 6/1110:45 -

2 stops25h 35m

Thu 26/1109:00 -

2 stops21h 50m

Deal found 3/8£909

Mon 5/1006:30 -

2 stops31h 15m

Wed 14/1020:10 -

1 stop30h 15m

Deal found 1/8£943

Sun 22/1117:25 -

1 stop18h 25m

Thu 26/1113:15 -

1 stop24h 10m

Deal found 31/7£989

Mon 16/1111:00 -

2 stops25h 20m

Tue 8/1209:00 -

2 stops21h 50m

Deal found 4/8£912

Mon 16/1110:55 -

2 stops38h 30m

Tue 8/1223:55 -

2 stops37h 25m

Deal found 4/8£1,009

Thu 5/1121:30 -

1 stop37h 15m

Mon 30/1113:00 -

1 stop19h 15m

Deal found 1/8£988

Sun 16/806:15 -

2 stops31h 30m

Mon 24/820:10 -

2 stops31h 00m

Deal found 4/8£991

Thu 17/909:50 -

2 stops52h 55m

Mon 21/917:50 -

1 stop17h 25m

Deal found 31/7£1,097

Mon 14/906:00 -

2 stops31h 20m

Sun 27/914:30 -

2 stops39h 50m

Deal found 31/7£917

Sat 9/117:20 -

2 stops56h 05m

Thu 4/223:55 -

2 stops31h 00m

Deal found 4/8£1,044

Sun 13/909:20 -

1 stop28h 25m

Sun 20/920:10 -

1 stop37h 05m

Deal found 2/8£991

Wed 23/908:00 -

2 stops26h 45m

Tue 6/1013:25 -

1 stop20h 35m

Deal found 4/8£997

Mon 16/1106:00 -

2 stops30h 20m

Wed 25/1110:20 -

2 stops23h 20m

Deal found 4/8£922

Wed 23/909:20 -

1 stop24h 30m

Tue 6/1015:05 -

1 stop21h 35m

Deal found 4/8£1,260

Sat 30/110:55 -

2 stops38h 30m

Thu 11/223:55 -

2 stops31h 00m

Deal found 4/8£1,044

Mon 25/117:25 -

1 stop18h 25m

Sat 20/213:15 -

1 stop24h 10m

Deal found 2/8£1,152

Mon 5/1020:40 -

1 stop23h 25m

Wed 14/1013:00 -

1 stop17h 50m

Deal found 31/7£1,155

Wed 16/909:40 -

2 stops28h 05m

Sun 20/920:10 -

2 stops31h 00m

Deal found 4/8£998

Thu 24/918:00 -

3 stops41h 30m

Sun 4/1013:25 -

1 stop20h 40m

Deal found 4/8£1,008

Mon 4/120:05 -

2 stops42h 55m

Mon 15/212:55 -

3 stops24h 45m

Deal found 3/8£1,389

Find flight deals from London to Buenos Aires

Round-trip from	£830
One-way from	£431
Popular in	December
Cheapest in	September
Average price	£1,037
Good round-trip deal	£1,003 or less

British Airways
23/11-2/12
2 total stops
40h 55m total
London to Buenos Aires

Search Deals

5/9
2 total stops
29h 05m total
London to Buenos Aires

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (£59 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 August 2026

Search Deals

Price to beat on a round-trip flight from London (LON) to Buenos Aires (BUE).

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBuenos Aires

LTN London Luton - EZE Buenos Aires Ministro Pistarini

LTNEZE

London Luton

Tue 1/9

08:00-07:05

2 stops27h 05m

Buenos Aires Ministro Pistarini

Tue 29/9

00:50-11:00

2 stops30h 10m

£850

LondonBuenos Aires

LTN London Luton - EZE Buenos Aires Ministro Pistarini

LTNEZE

London Luton

Mon 21/9

20:35-01:05

3 stops32h 30m

Buenos Aires Ministro Pistarini

Tue 6/10

16:45-19:55

3 stops23h 10m

£870

LondonBuenos Aires

LGW London Gatwick - AEP Buenos Aires Jorge Newbery

LGWAEP

London Gatwick

Fri 27/11

10:45-09:20

2 stops25h 35m

Buenos Aires Jorge Newbery

Sun 6/12

03:15-15:45

2 stops33h 30m

£903

LondonBuenos Aires

LGW London Gatwick - AEP Buenos Aires Jorge Newbery

LGWAEP

London Gatwick

Fri 6/11

10:45-09:20

2 stops25h 35m

Buenos Aires Jorge Newbery

Thu 26/11

09:00-09:50

2 stops21h 50m

£909

LondonBuenos Aires

LGW London Gatwick - AEP Buenos Aires Jorge Newbery

LGWAEP

London Gatwick

Mon 16/11

11:00-09:20

2 stops25h 20m

Buenos Aires Jorge Newbery

Tue 8/12

09:00-09:50

2 stops21h 50m

£912

LondonBuenos Aires

LHR London Heathrow - AEP Buenos Aires Jorge Newbery

LHRAEP

London Heathrow

Mon 14/9

06:00-09:20

2 stops31h 20m

Buenos Aires Jorge Newbery

Sun 27/9

14:30-10:20

2 stops39h 50m

£917

LondonBuenos Aires

LHR London Heathrow - AEP Buenos Aires Jorge Newbery

LHRAEP

London Heathrow

Mon 16/11

06:00-09:20

2 stops30h 20m

Buenos Aires Jorge Newbery

Wed 25/11

10:20-12:40

2 stops23h 20m

£922

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Tue 8/9

15:15-09:45

1 stop22h 30m

Buenos Aires Ministro Pistarini

Tue 22/9

20:10-08:50

2 stops32h 40m

£936

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Mon 5/10

06:30-09:45

2 stops31h 15m

Buenos Aires Ministro Pistarini

Wed 14/10

20:10-06:25

1 stop30h 15m

£943

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Mon 16/11

09:10-07:20

2 stops25h 10m

Buenos Aires Ministro Pistarini

Thu 3/12

23:55-05:55

2 stops27h 00m

£970

Flights are sorted by cheapest return flights first.

Deals found on 31/7

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from London to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from London with our price prediction graph.

LON-BUE

LGW-EZE

STN-EZE

LTN-EZE

LHR-EZE

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 London to Buenos Aires

LON-BUE

LGW-EZE

STN-EZE

LTN-EZE

LHR-EZE

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

Currently, May is the cheapest month in which you can book a flight from London to Buenos Aires (average of £870). Flying from London to Buenos Aires in December is currently the most expensive (average of £1,321). 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 LON to BUE?

When flying from London to Buenos Aires, 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 London to Buenos Aires

The most flights from LON 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 much does it cost for a return flight from London to Buenos Aires?

Airfare is below average for this route at the moment.

London to Buenos Aires flights typically cost between £937 and £1,237 in November.
The cheapest return price found within the last 5 days was £830 on British Airways (23 Nov–2 Dec).

What’s the top stopover airport for flights from London to Buenos Aires?

Madrid (MAD) – chosen by Cheapflights users on 22% of one-stop itineraries from London to Buenos Aires on Cheapflights.

What’s the cheapest stopover airport for flights from London to Buenos Aires?

Bogotá (BOG) is the most affordable one-stop option, with an average return flight price of £751.

What’s the fastest stopover option from London to Buenos Aires?

Flights via Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 16h 23m.

Which airport typically offers the quickest stopover for flights from London to Buenos Aires?

Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average stopover time of 1h 11m.

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

The price you pay for your flight from London to Buenos Aires may vary depending on when you book. For the best chance of a lower fare, look to book 55 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Buenos Aires

Check out reviews from past customers who have flown with LATAM Airlines,Iberia, andLufthansa from London 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

1,971 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.

LATAM Airlines

7.4

Good

1,971 reviews

LATAM Airlines

7.4

Good

1,971 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.

Iberia

7.0

Good

3,267 reviews

LATAM Airlines

7.4

Good

1,971 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.

Lufthansa

6.8

Okay

8,176 reviews

LATAM Airlines

7.4

Good

1,971 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.

British Airways

6.7

Okay

8,150 reviews

LATAM Airlines

7.4

Good

1,971 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.

Avianca

6.5

Okay

2,523 reviews

LATAM Airlines

7.4

Good

1,971 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.

Related info for your journey

How long is the flight from London to Buenos Aires?
A quick flight from London to Buenos Aires can take about 22h 30m. TAP AIR PORTUGAL provides one of the quickest options available for as low as £936. London and Buenos Aires are separated by a distance of 6915 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from London to Buenos Aires round-trip?
Our cheapest airline available from London to Buenos Aires is Avianca. Our recent data shows that you can find tickets from as low as £691 on this airline. Additional options worth looking into are Iberia and LATAM Airlines, starting at £738 and £843 round-trip. Avianca is 28% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from London to Buenos Aires one-way?
One-way options have recently been found by users for as low as £496 on KLM. Other airlines that offer cheap prices include Avianca from £502 and LATAM Airlines from £549 one-way.
What are the most popular routes from London to Buenos Aires?
Most travelers choose London Heathrow - Buenos Aires Ministro Pistarini, London Heathrow - Buenos Aires Jorge Newbery or London Gatwick - Buenos Aires Ministro Pistarini when deciding on the best route from London to Buenos Aires.
What are the cheapest flights from London to Buenos Aires?
The cheapest flight price from London to Buenos Aires is £869. On average you can expect to pay £1,133. The most popular route, (London Heathrow - Buenos Aires Ministro Pistarini), can usually be booked for £675.
Can I find deals for flights from London to Buenos Aires that include hotel bookings?
Yes. In addition to deals on London to Buenos Aires flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Buenos Aires?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Buenos Aires.
Can I find deals for business class flights from London to Buenos Aires?
Yes. Cheapflights offers flight deals from London 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 London to Buenos Aires?
Currently, May is the cheapest month in which you can book a flight from London to Buenos Aires (average of £870). Flying from London to Buenos Aires in December is currently the most expensive (average of £1,321). 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

Airlines

Alternative routes

Buenos Aires flight routes

Complete your trip

Direct flights to Argentina

Flights by cabin class

Other flight options

Other flights from London

Popular flights

Fly from London to Buenos Aires on these airlines

British Airways flights from London to Buenos Aires

Iberia flights from London to Buenos Aires

Air Europa flights from London to Buenos Aires

Top 6 airlines flying from London to Buenos Aires

Airline	Cheapest	Average	Flexibility	On-time
Avianca	Cheapest£691	Average£781	FlexibilityNo cancel fee	On-time71%	Search Avianca flights
Iberia	Cheapest£738	Average£1,044	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
LATAM Airlines	Cheapest£843	Average£1,083	FlexibilityNo cancel fee	On-time81%	Search LATAM Airlines flights
American Airlines	Cheapest£867	Average£883	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
British Airways	Cheapest£873	Average£1,028	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Lufthansa	Cheapest£923	Average£1,111	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

Fly with Cheapflights

How does Cheapflights help users find flights from London to Buenos Aires?

Deals for London to Buenos Aires 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 London to Buenos Aires?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Buenos Aires from London.

Can Cheapflights find flights from London to Buenos Aires with no change fees?

Yes, we can. To see specific flights from London to Buenos Aires with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from London to Buenos Aires become cheaper?

Not ready to book yet? You can track prices for flights from London to Buenos Aires on Cheapflights with our Price Alert feature and get notified when better prices are available.

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.

Cheap flights from London to Buenos Aires from £431

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Buenos Aires

Cheapest flights from London to Buenos AiresExplore the most affordable flight options available from London to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 August 2026.

Explore the most affordable flight options available from London to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 August 2026.

Best flights from London to Buenos AiresDiscover carefully curated flight deals from London to Buenos Aires that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 August 2026.

Discover carefully curated flight deals from London to Buenos Aires that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 August 2026.

Direct flights from London to Buenos AiresExplore direct flight options from London to Buenos Aires based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 August 2026.

Explore direct flight options from London to Buenos Aires based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 August 2026.

Last-minute flights from London to Buenos AiresDiscover last-minute flight deals from London to Buenos Aires. Data last updated 5 August 2026 and is based on user searches.

Discover last-minute flight deals from London to Buenos Aires. Data last updated 5 August 2026 and is based on user searches.

One-way flights from London to Buenos AiresSearch for one-way flight options from London to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated 5 August 2026.

Search for one-way flight options from London to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated 5 August 2026.

Find flight deals from London to Buenos Aires

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Buenos Aires that are best for you.

Best time to book a flight from London to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from London with our price prediction graph.

Cheapflights Insights

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

What is the cheapest time of day to fly from LON to BUE?

Find hourly flight availability from London 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 5 August 2026.

When flying from London to Buenos Aires, 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 London to Buenos Aires

Explore weekly flight availability from London 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 5 August 2026.

The most flights from LON 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 much does it cost for a return flight from London to Buenos Aires?

Airfare is below average for this route at the moment.

London to Buenos Aires flights typically cost between £937 and £1,237 in November.The cheapest return price found within the last 5 days was £830 on British Airways (23 Nov–2 Dec).

What’s the top stopover airport for flights from London to Buenos Aires?

Share of one-stop return flights from London to Buenos Aires chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Madrid (MAD) – chosen by Cheapflights users on 22% of one-stop itineraries from London to Buenos Aires on Cheapflights.

What’s the cheapest stopover airport for flights from London to Buenos Aires?

Average return fare for one-stop flights from London to Buenos Aires, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Bogotá (BOG) is the most affordable one-stop option, with an average return flight price of £751.

What’s the fastest stopover option from London to Buenos Aires?

Shortest average travel time for one-stop one-way flights from London to Buenos Aires, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 16h 23m.

Which airport typically offers the quickest stopover for flights from London to Buenos Aires?

Average stopover duration for one-stop one-way flights from London to Buenos Aires, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average stopover time of 1h 11m.

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

The price you pay for your flight from London to Buenos Aires may vary depending on when you book. For the best chance of a lower fare, look to book 55 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Buenos Aires

Check out reviews from past customers who have flown with LATAM Airlines,Iberia, andLufthansa from London 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.

Related info for your journey

How long is the flight from London to Buenos Aires?

What are the cheapest airlines flying from London to Buenos Aires round-trip?

What are the cheapest airlines to fly from London to Buenos Aires one-way?

What are the most popular routes from London to Buenos Aires?

What are the cheapest flights from London to Buenos Aires?

Can I find deals for flights from London to Buenos Aires that include hotel bookings?

How can I find direct flights from London to Buenos Aires?

Can I find deals for business class flights from London to Buenos Aires?

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

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.

Fly from London to Buenos Aires on these airlines

Choose from the following airlines for your flight from London to Buenos Aires. Flights are based on user searches made on Cheapflights and were last updated on 5 August 2026.

Alternative routes for London to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.

Other flights to Buenos Aires

Explore flights to Buenos Aires departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 5 August 2026.

Complete your trip

Complete your trip to Buenos Aires by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Argentina

Book a non-stop flight to one of these other cities located in Argentina.

Search flights from London to Buenos Aires by cabin class

Find flights from London to Buenos Aires, based on your preferred cabin class, be it economy, premium economy, business, or first class.

London and Buenos Aires flights

Browse other London and Buenos Aires flight options. Last updated on 5 August 2026.

Other flights from London

Browse through other flights departing from London. Flights are based on user searches made on Cheapflights and were last updated on 5 August 2026.

Popular flight searches

Cheapest flights from London to Buenos Aires
Explore the most affordable flight options available from London to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 August 2026.

Best flights from London to Buenos Aires
Discover carefully curated flight deals from London to Buenos Aires that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 August 2026.

Direct flights from London to Buenos Aires
Explore direct flight options from London to Buenos Aires based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 August 2026.

Last-minute flights from London to Buenos Aires
Discover last-minute flight deals from London to Buenos Aires. Data last updated 5 August 2026 and is based on user searches.

One-way flights from London to Buenos Aires
Search for one-way flight options from London to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated 5 August 2026.

London to Buenos Aires flights typically cost between £937 and £1,237 in November.
The cheapest return price found within the last 5 days was £830 on British Airways (23 Nov–2 Dec).