How long is the flight from London to Buenos Aires?

A quick flight from London to Buenos Aires can take about 16h 45m. LEVEL provides one of the quickest options available for as low as £984. 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 £657 on this airline. Additional options worth looking into are British Airways and Iberia, starting at £825 and £828 round-trip. Avianca is 34% 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 £411 on Avianca. Other airlines that offer cheap prices include KLM from £499 and LATAM Airlines from £535 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 £816. On average you can expect to pay £958. The most popular route, (London Heathrow - Buenos Aires Ministro Pistarini), can usually be booked for £771.

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.

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.

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.

£552+ Cheap Flights from London to Buenos Aires

Cheapflights Tip: The best prices from London to Buenos Aires are usually found in May or September, booked 53 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 November 2026.

Wed 18/1120:15 -

2 stops32h 35m

Tue 1/1212:50 -

2 stops25h 25m

Deal found 5/11£959

Sun 6/1208:30 -

2 stops28h 10m

Sun 13/1213:35 -

2 stops21h 50m

Deal found 7/11£960

Sat 5/1214:30 -

3 stops28h 30m

Sat 12/1217:45 -

2 stops24h 20m

Deal found 7/11£960

Tue 17/1120:25 -

2 stops26h 55m

Sat 21/1117:00 -

1 stop16h 05m

Deal found 7/11£960

Mon 30/1113:40 -

2 stops39h 00m

Sun 6/1203:15 -

2 stops30h 25m

Deal found 7/11£961

Mon 16/1121:35 -

1 stop35h 30m

Mon 30/1107:25 -

1 stop28h 10m

Deal found 8/11£961

Mon 30/1116:45 -

3 stops35h 30m

Sat 5/1202:05 -

2 stops33h 10m

Deal found 6/11£962

Fri 20/1120:25 -

2 stops34h 55m

Wed 25/1109:00 -

2 stops28h 05m

Deal found 6/11£962

Fri 4/1221:45 -

2 stops30h 30m

Thu 10/1202:05 -

2 stops32h 55m

Deal found 6/11£962

Fri 20/1120:15 -

1 stop16h 25m

Wed 25/1110:35 -

1 stop24h 30m

Deal found 6/11£963

Thu 19/1114:10 -

2 stops33h 10m

Wed 2/1217:00 -

2 stops25h 45m

Deal found 5/11£963

Sun 22/1106:30 -

1 stop28h 25m

Wed 25/1117:45 -

1 stop21h 00m

Deal found 7/11£963

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 November 2026.

Wed 3/217:15 -

1 stop27h 15m

Sat 13/219:15 -

1 stop17h 00m

Deal found 8/11£961

Fri 13/1112:05 -

1 stop22h 15m

Thu 26/1122:05 -

1 stop30h 35m

Deal found 4/11£972

Mon 7/1212:15 -

2 stops24h 25m

Sun 13/1203:15 -

2 stops25h 40m

Deal found 8/11£974

Fri 27/1122:00 -

1 stop16h 45m

Sun 29/1114:20 -

1 stop15h 05m

Deal found 6/11£984

Tue 9/317:20 -

2 stops32h 05m

Wed 24/323:55 -

2 stops31h 00m

Deal found 7/11£999

Wed 24/318:30 -

2 stops45h 10m

Mon 12/409:40 -

2 stops29h 10m

Deal found 5/11£1,002

Mon 8/307:15 -

2 stops28h 35m

Tue 23/322:20 -

2 stops35h 55m

Deal found 7/11£1,022

Fri 29/111:45 -

2 stops26h 10m

Mon 8/323:35 -

2 stops28h 15m

Deal found 6/11£1,048

Wed 13/110:00 -

1 stop25h 50m

Sun 14/213:15 -

1 stop24h 10m

Deal found 6/11£1,076

Wed 25/1110:00 -

1 stop24h 45m

Tue 15/1217:00 -

1 stop21h 20m

Deal found 4/11£1,130

Mon 8/318:40 -

2 stops20h 20m

Tue 23/312:55 -

3 stops26h 45m

Deal found 7/11£1,141

Thu 26/1107:40 -

2 stops26h 40m

Thu 3/1223:55 -

1 stop28h 45m

Deal found 5/11£976

Sat 28/1105:55 -

2 stops29h 00m

Wed 9/1214:40 -

2 stops28h 50m

Deal found 4/11£993

Fri 5/316:40 -

2 stops60h 00m

Sun 28/313:15 -

2 stops40h 35m

Deal found 4/11£1,021

Mon 8/317:25 -

2 stops32h 00m

Fri 26/323:55 -

2 stops29h 15m

Deal found 7/11£1,041

Fri 13/1111:35 -

2 stops24h 45m

Wed 25/1123:55 -

2 stops27h 45m

Deal found 6/11£976

Sun 7/316:20 -

1 stop19h 30m

Wed 7/412:10 -

1 stop26h 50m

Deal found 6/11£999

Mon 30/1109:00 -

1 stop29h 10m

Tue 15/1213:00 -

1 stop17h 20m

Deal found 3/11£1,113

Sun 21/220:05 -

2 stops42h 55m

Thu 11/312:55 -

2 stops21h 05m

Deal found 5/11£1,142

Sun 2/517:50 -

2 stops32h 35m

Sun 16/523:55 -

2 stops36h 50m

Deal found 7/11£1,042

Thu 24/1216:00 -

2 stops47h 40m

Mon 15/213:35 -

2 stops41h 15m

Deal found 8/11£1,062

Sat 1/510:05 -

1 stop23h 45m

Sat 8/515:05 -

1 stop23h 25m

Deal found 3/11£1,183

Tue 2/207:40 -

2 stops26h 40m

Mon 8/322:05 -

2 stops28h 50m

Deal found 6/11£982

Sat 5/1205:55 -

2 stops35h 45m

Sun 13/1211:45 -

2 stops32h 10m

Deal found 4/11£1,001

Sun 27/1216:35 -

1 stop21h 20m

Thu 14/123:35 -

1 stop27h 50m

Deal found 7/11£1,241

Fri 27/1110:00 -

1 stop25h 50m

Sun 29/1113:15 -

1 stop24h 10m

Deal found 6/11£1,258

Wed 10/320:05 -

2 stops42h 55m

Tue 23/312:55 -

3 stops24h 45m

Deal found 7/11£1,145

Mon 4/119:25 -

2 stops28h 00m

Sat 23/113:55 -

2 stops25h 55m

Deal found 6/11£1,282

Thu 3/1221:30 -

2 stops25h 25m

Tue 8/1213:55 -

2 stops21h 20m

Deal found 5/11£1,008

Sat 27/310:10 -

2 stops33h 55m

Sat 10/413:15 -

2 stops27h 10m

Deal found 4/11£1,124

Find flight deals from London to Buenos Aires

Round-trip from	£959
One-way from	£552
Popular in	December
Cheapest in	May
Average price	£997
Good round-trip deal	£850 or less

Air Europa
11/1-3/3
2 total stops
35h 10m total
London to Buenos Aires

Search Deals

13/11-31/12
3 total stops
56h 00m total
London to Buenos Aires

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (£50 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£17 potential savings vs. average return price).

Search Deals

Average for round-trip flights in November 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

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Tue 8/12

09:10-07:20

2 stops49h 10m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£556

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Fri 27/11

09:10-07:20

2 stops49h 10m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£556

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Sat 5/12

11:35-07:20

2 stops46h 45m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£556

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Thu 26/11

12:05-09:20

1 stop24h 15m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£558

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Mon 7/12

12:00-07:20

2 stops46h 20m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£558

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Fri 13/11

12:00-09:20

2 stops48h 20m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£559

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Mon 16/11

10:00-09:20

1 stop26h 20m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£559

LondonBuenos Aires

STN London Stansted - AEP Buenos Aires Jorge Newbery

STNAEP

London Stansted

Fri 13/11

09:45-20:00

3 stops37h 15m

Buenos Aires Jorge Newbery

Wed 31/12

00:00-04:00

Nonstop0h 00m

£560

LondonBuenos Aires

STN London Stansted - AEP Buenos Aires Jorge Newbery

STNAEP

London Stansted

Mon 11/1

17:45-04:20

3 stops37h 35m

Buenos Aires Jorge Newbery

Wed 31/12

00:00-04:00

Nonstop0h 00m

£567

LondonBuenos Aires

LTN London Luton - EZE Buenos Aires Ministro Pistarini

LTNEZE

London Luton

Sun 3/1

07:45-19:00

1 stop38h 15m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£567

Flights are sorted by cheapest return flights first.

Deals found on 8/11

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-AEP

LHR-AEP

LHR-EZE

LGW-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-AEP

LHR-AEP

LHR-EZE

LGW-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 £873). Flying from London to Buenos Aires in December is currently the most expensive (average of £1,262). 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.

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 £907 and £1,157 in January.
The cheapest return price found within the last 5 days was £959 on Air Europa (11 Jan–3 Mar).

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

Madrid (MAD) – chosen by Cheapflights users on 38% 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 £736.

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

Flights via Sao Paulo (GRU) have the shortest average one-way travel time for one-stop routes: 16h 10m.

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 52 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

1,972 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

1,972 reviews

LATAM Airlines

7.4

Good

1,972 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

3,234 reviews

LATAM Airlines

7.4

Good

1,972 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

8,297 reviews

LATAM Airlines

7.4

Good

1,972 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

8,285 reviews

LATAM Airlines

7.4

Good

1,972 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

2,551 reviews

LATAM Airlines

7.4

Good

1,972 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 16h 45m. LEVEL provides one of the quickest options available for as low as £984. 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 £657 on this airline. Additional options worth looking into are British Airways and Iberia, starting at £825 and £828 round-trip. Avianca is 34% 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 £411 on Avianca. Other airlines that offer cheap prices include KLM from £499 and LATAM Airlines from £535 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 £816. On average you can expect to pay £958. The most popular route, (London Heathrow - Buenos Aires Ministro Pistarini), can usually be booked for £771.
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 £873). Flying from London to Buenos Aires in December is currently the most expensive (average of £1,262). 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 7 airlines flying from London to Buenos Aires

Airline	Cheapest	Average	Flexibility	On-time
Avianca	Cheapest£657	Average£760	FlexibilityNo cancel fee	On-time71%	Search Avianca flights
British Airways	Cheapest£825	Average£1,084	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Iberia	Cheapest£828	Average£1,007	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
LATAM Airlines	Cheapest£849	Average£1,042	FlexibilityNo cancel fee	On-time81%	Search LATAM Airlines flights
American Airlines	Cheapest£872	Average£980	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Lufthansa	Cheapest£929	Average£1,109	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
ITA Airways	Cheapest£946	Average£1,330	FlexibilityNo cancel fee	On-time81%	Search ITA Airways 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 £552

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/11. 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 November 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 November 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 November 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 November 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 November 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 November 2026.

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

Discover last-minute flight deals from London to Buenos Aires. Data last updated 9 November 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 November 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 November 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?

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 £907 and £1,157 in January.The cheapest return price found within the last 5 days was £959 on Air Europa (11 Jan–3 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 38% 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 £736.

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 Sao Paulo (GRU) have the shortest average one-way travel time for one-stop routes: 16h 10m.

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 52 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?

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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 November 2026.

Alternative routes for London to Buenos Aires

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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 November 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

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London and Buenos Aires flights

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Other flights from London

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Popular flight searches

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Top 7 airlines flying from London to Buenos Aires

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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 November 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 November 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 November 2026.

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

London to Buenos Aires flights typically cost between £907 and £1,157 in January.
The cheapest return price found within the last 5 days was £959 on Air Europa (11 Jan–3 Mar).