How long is the flight from London to Buenos Aires?

A quick flight from London to Buenos Aires can take about 21h 05m. Air Europa provides one of the quickest options available for as low as £907. London and Buenos Aires are separated by a distance of 6932 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 £686 on this airline. Additional options worth looking into are Iberia and LATAM Airlines, starting at £778 and £837 round-trip. Avianca is 29% 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 £405 on Avianca. Other airlines that offer cheap prices include LATAM Airlines from £545 and Iberia from £687 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 Gatwick - Buenos Aires Ministro Pistarini or London Heathrow - Buenos Aires Jorge Newbery 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 £972. On average you can expect to pay £1,146. The most popular route, (London Heathrow - Buenos Aires Ministro Pistarini), can usually be booked for £651.

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

Consider British Airways, Avianca 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.

£447+ Cheap Flights from London to Buenos Aires

Cheapflights Tip: The best prices from London to Buenos Aires are usually found in May or March, booked 56 days in advance, depart on a Wednesday or Monday and return on a Monday

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 9 September 2026.

Thu 19/1107:50 -

2 stops28h 00m

Thu 26/1113:55 -

2 stops29h 45m

Deal found 6/9£858

Mon 16/1120:15 -

1 stop20h 45m

Tue 8/1221:45 -

1 stop37h 20m

Deal found 4/9£860

Thu 8/1008:00 -

2 stops47h 23m

Thu 22/1018:35 -

1 stop19h 30m

Deal found 7/9£860

Wed 18/1120:15 -

1 stop18h 45m

Wed 25/1112:55 -

2 stops23h 25m

Deal found 5/9£860

Thu 10/906:15 -

1 stop19h 35m

Wed 23/915:05 -

1 stop15h 40m

Deal found 7/9£860

Thu 3/920:55 -

2 stops28h 55m

Wed 14/1015:05 -

1 stop15h 40m

Deal found 3/9£862

Mon 21/921:20 -

1 stop20h 40m

Sun 4/1012:55 -

1 stop22h 10m

Deal found 4/9£863

Sun 15/1118:00 -

1 stop24h 05m

Wed 25/1116:45 -

1 stop39h 35m

Deal found 4/9£863

Sun 29/1115:00 -

2 stops27h 05m

Mon 1/216:45 -

2 stops34h 45m

Deal found 3/9£863

Mon 7/920:55 -

2 stops25h 55m

Wed 7/1015:05 -

1 stop15h 40m

Deal found 5/9£864

Sat 21/1107:45 -

1 stop27h 00m

Sat 28/1114:25 -

1 stop20h 20m

Deal found 4/9£864

Tue 29/917:25 -

1 stop18h 15m

Wed 21/1012:10 -

1 stop24h 15m

Deal found 4/9£865

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 9 September 2026.

Mon 1/310:00 -

1 stop25h 50m

Tue 9/313:15 -

1 stop24h 10m

Deal found 4/9£880

Tue 24/1117:45 -

2 stops21h 05m

Wed 2/1214:40 -

2 stops19h 10m

Deal found 3/9£907

Mon 16/1121:35 -

2 stops31h 05m

Tue 8/1209:00 -

2 stops27h 45m

Deal found 6/9£910

Thu 26/1107:15 -

1 stop38h 45m

Mon 14/1215:05 -

1 stop19h 45m

Deal found 6/9£921

Thu 26/1119:15 -

1 stop25h 10m

Mon 14/1214:20 -

1 stop15h 30m

Deal found 6/9£928

Mon 16/1109:40 -

2 stops27h 00m

Tue 8/1221:30 -

2 stops30h 20m

Deal found 7/9£936

Tue 24/1109:20 -

1 stop25h 25m

Wed 2/1217:00 -

1 stop21h 20m

Deal found 3/9£1,011

Mon 16/1106:30 -

2 stops42h 55m

Tue 8/1223:55 -

2 stops43h 40m

Deal found 7/9£1,015

Fri 25/916:40 -

2 stops67h 20m

Sat 3/1021:00 -

1 stop30h 45m

Deal found 3/9£1,015

Thu 8/1021:20 -

1 stop16h 10m

Thu 22/1015:45 -

2 stops23h 10m

Deal found 8/9£1,206

Sun 13/1219:30 -

2 stops36h 10m

Fri 1/113:55 -

2 stops44h 15m

Deal found 8/9£1,683

Sat 27/217:25 -

1 stop18h 25m

Wed 10/313:15 -

1 stop24h 10m

Deal found 4/9£911

Thu 14/112:40 -

1 stop21h 55m

Wed 27/123:35 -

1 stop30h 25m

Deal found 8/9£943

Wed 28/1016:35 -

2 stops36h 05m

Sun 1/1103:15 -

2 stops33h 30m

Deal found 5/9£951

Mon 21/907:55 -

2 stops35h 50m

Wed 7/1011:50 -

1 stop19h 10m

Deal found 7/9£980

Wed 25/1110:00 -

1 stop25h 50m

Sun 29/1113:15 -

1 stop16h 45m

Deal found 4/9£911

Sat 19/918:00 -

2 stops42h 00m

Sat 26/921:00 -

1 stop30h 45m

Deal found 4/9£1,017

Tue 29/1210:05 -

2 stops39h 20m

Fri 22/123:55 -

2 stops37h 35m

Deal found 6/9£1,024

Sun 28/212:25 -

2 stops31h 55m

Wed 10/313:35 -

2 stops26h 20m

Deal found 4/9£976

Fri 2/1008:00 -

2 stops25h 35m

Mon 12/1012:55 -

2 stops21h 10m

Deal found 7/9£984

Mon 16/1119:15 -

1 stop16h 25m

Tue 8/1219:20 -

1 stop15h 40m

Deal found 6/9£1,123

Mon 28/910:00 -

2 stops27h 45m

Sun 4/1020:10 -

2 stops31h 45m

Deal found 5/9£1,037

Wed 24/210:55 -

2 stops38h 30m

Sat 6/323:55 -

2 stops31h 00m

Deal found 4/9£1,039

Wed 18/1118:40 -

2 stops20h 20m

Sun 6/1212:55 -

3 stops24h 45m

Deal found 6/9£1,159

Wed 25/1116:35 -

2 stops47h 05m

Sat 28/1103:20 -

2 stops27h 30m

Deal found 8/9£978

Fri 26/217:25 -

1 stop18h 25m

Wed 10/313:15 -

1 stop24h 10m

Deal found 4/9£1,012

Sun 31/121:30 -

1 stop22h 55m

Tue 16/219:15 -

2 stops22h 35m

Deal found 6/9£1,027

Sat 9/109:40 -

2 stops27h 00m

Sat 30/123:35 -

2 stops28h 15m

Deal found 5/9£1,043

Wed 16/1206:15 -

1 stop17h 40m

Tue 12/122:45 -

1 stop15h 30m

Deal found 4/9£1,171

Wed 30/910:00 -

1 stop23h 50m

Wed 7/1015:05 -

1 stop21h 35m

Deal found 5/9£1,300

Find flight deals from London to Buenos Aires

Round-trip from	£857
One-way from	£447
Popular in	December
Cheapest in	May
Average price	£911
Good round-trip deal	£1,041 or less

Air Europa
26/2-8/3
2 total stops
42h 35m total
London to Buenos Aires

Search Deals

15/9-31/12
3 total stops
57h 40m total
London to Buenos Aires

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (£49 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£18 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

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

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBuenos Aires

LTN London Luton - EZE Buenos Aires Ministro Pistarini

LTNEZE

London Luton

Mon 28/9

13:45-20:15

2 stops58h 30m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£466

LondonBuenos Aires

LGW London Gatwick - AEP Buenos Aires Jorge Newbery

LGWAEP

London Gatwick

Tue 6/10

18:10-09:20

3 stops43h 10m

Buenos Aires Jorge Newbery

Wed 31/12

00:00-04:00

Nonstop0h 00m

£522

LondonBuenos Aires

LTN London Luton - EZE Buenos Aires Ministro Pistarini

LTNEZE

London Luton

Tue 24/11

06:15-08:50

3 stops29h 35m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£525

LondonBuenos Aires

LTN London Luton - EZE Buenos Aires Ministro Pistarini

LTNEZE

London Luton

Tue 22/9

08:00-16:15

3 stops36h 15m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£530

LondonBuenos Aires

LTN London Luton - EZE Buenos Aires Ministro Pistarini

LTNEZE

London Luton

Mon 30/11

05:55-04:40

3 stops25h 45m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£532

LondonBuenos Aires

LTN London Luton - EZE Buenos Aires Ministro Pistarini

LTNEZE

London Luton

Fri 2/10

06:00-05:35

3 stops27h 35m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£535

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Fri 27/11

10:30-08:50

1 stop25h 20m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£540

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Mon 23/11

06:35-07:20

2 stops27h 45m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£545

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Mon 1/3

06:35-09:20

2 stops29h 45m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£546

LondonBuenos Aires

LTN London Luton - EZE Buenos Aires Ministro Pistarini

LTNEZE

London Luton

Wed 23/9

06:00-06:45

2 stops28h 45m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£549

Flights are sorted by cheapest return flights first.

Deals found on 5/9

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

LHR-EZE

LGW-EZE

LCY-EZE

LGW-AEP

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

LHR-EZE

LGW-EZE

LCY-EZE

LGW-AEP

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 £861). Flying from London to Buenos Aires in December is currently the most expensive (average of £1,290). 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 typical for this route at the moment.

London to Buenos Aires flights typically cost between £781 and £1,087 in February.
The cheapest return price found within the last 5 days was £857 on Air Europa (26 Feb–8 Mar).

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

Madrid (MAD) – chosen by Cheapflights users on 27% 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 £746.

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 25m.

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

1,988 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

1,988 reviews

LATAM Airlines

7.4

Good

1,988 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

3,249 reviews

LATAM Airlines

7.4

Good

1,988 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

8,217 reviews

LATAM Airlines

7.4

Good

1,988 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

8,211 reviews

LATAM Airlines

7.4

Good

1,988 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

2,552 reviews

LATAM Airlines

7.4

Good

1,988 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 21h 05m. Air Europa provides one of the quickest options available for as low as £907. London and Buenos Aires are separated by a distance of 6932 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 £686 on this airline. Additional options worth looking into are Iberia and LATAM Airlines, starting at £778 and £837 round-trip. Avianca is 29% 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 £405 on Avianca. Other airlines that offer cheap prices include LATAM Airlines from £545 and Iberia from £687 one-way.
What are the most popular routes from London to Buenos Aires?
Most travelers choose London Heathrow - Buenos Aires Ministro Pistarini, London Gatwick - Buenos Aires Ministro Pistarini or London Heathrow - Buenos Aires Jorge Newbery 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 £972. On average you can expect to pay £1,146. The most popular route, (London Heathrow - Buenos Aires Ministro Pistarini), can usually be booked for £651.
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 £861). Flying from London to Buenos Aires in December is currently the most expensive (average of £1,290). 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

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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£686	Average£780	FlexibilityNo cancel fee	On-time71%	Search Avianca flights
Iberia	Cheapest£778	Average£1,063	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
LATAM Airlines	Cheapest£837	Average£1,028	FlexibilityNo cancel fee	On-time81%	Search LATAM Airlines flights
American Airlines	Cheapest£860	Average£877	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
British Airways	Cheapest£867	Average£1,061	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Lufthansa	Cheapest£908	Average£1,094	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.

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Cheap flights from London to Buenos Aires from £447

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/9. 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 9 September 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 9 September 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 9 September 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 9 September 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 9 September 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 9 September 2026.

Last-minute flights from London to Buenos AiresDiscover last-minute flight deals from London to Buenos Aires. Data last updated 9 September 2026 and is based on user searches.

Discover last-minute flight deals from London to Buenos Aires. Data last updated 9 September 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 9 September 2026.

Search for one-way flight options from London to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated 9 September 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 9 September 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

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 typical for this route at the moment.

London to Buenos Aires flights typically cost between £781 and £1,087 in February.The cheapest return price found within the last 5 days was £857 on Air Europa (26 Feb–8 Mar).

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 27% 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 £746.

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 25m.

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?

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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

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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 9 September 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 9 September 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 9 September 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 9 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

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 9 September 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 9 September 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 9 September 2026.

Last-minute flights from London to Buenos Aires
Discover last-minute flight deals from London to Buenos Aires. Data last updated 9 September 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 9 September 2026.

London to Buenos Aires flights typically cost between £781 and £1,087 in February.
The cheapest return price found within the last 5 days was £857 on Air Europa (26 Feb–8 Mar).