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London To Buenos Aires Flights

  • One-Way
  • Round-Trip
  • Multi-City

From

Indira Gandhi International Airport

To

Chhatrapati Shivaji International Airport

DEPARTURE DATE

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Friday

Return Date

Book a round trip
to save more

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TRAVELLER & CLASS

1 Traveller

Economy

September
October
November
December
January
February
March
April
August

September is by far the best month, wherein you can get cheapest flights for London to Buenos Aires. Meanwhile, December is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.

Things to know
arrow One Way Fare
September

September- During this month the footfall is less so, the flight is gradually inexpensive.

round Round Trip Fare
September

September - is the cheapest month to book round trip flights.

Cheaper Fare
£ 529

Cheapest Fare- Currently, this is the fare price based on the current demand.

disclDisclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

Best Flight From London To Buenos Aires

Cheapest
Lan Airlines
Lan Airlines

LHR

21:20

London

London Heathrow Airport

Fri , 05 Sep 2025

17h 10m
ellipse
1 Stop

AEP

10:30

Buenos Aires

Jorge Newbery Airpark

Sat, 06 Sep 2025

£641
Air France
Air France

LHR

06:15

London

London Heathrow Airport

Fri , 05 Sep 2025

19h 15m
ellipse
2 Stop

AEP

21:30

Buenos Aires

Jorge Newbery Airpark

Fri, 05 Sep 2025

£733
British Airways
British Airways

LHR

06:10

London

London Heathrow Airport

Fri , 05 Sep 2025

19h 20m
ellipse
2 Stop

AEP

21:30

Buenos Aires

Jorge Newbery Airpark

Fri, 05 Sep 2025

£817
Avianca
Avianca

LHR

22:05

London

London Heathrow Airport

Fri , 05 Sep 2025

35h 35m
ellipse
1 Stop

AEP

05:40

Buenos Aires

Jorge Newbery Airpark

Sun, 07 Sep 2025

£989
Air Canada
Air Canada

LHR

14:05

London

London Heathrow Airport

Fri , 05 Sep 2025

31h 15m
ellipse
2 Stop

AEP

17:20

Buenos Aires

Jorge Newbery Airpark

Sat, 06 Sep 2025

£1073
Lufthansa
Lufthansa

LHR

18:30

London

London Heathrow Airport

Fri , 05 Sep 2025

18h 50m
ellipse
2 Stop

AEP

09:20

Buenos Aires

Jorge Newbery Airpark

Sat, 06 Sep 2025

£1177
Swiss
Swiss

LHR

18:40

London

London Heathrow Airport

Fri , 05 Sep 2025

19h 50m
ellipse
2 Stop

AEP

10:30

Buenos Aires

Jorge Newbery Airpark

Sat, 06 Sep 2025

£1296
Iberia
Iberia

LHR

06:10

London

London Heathrow Airport

Fri , 05 Sep 2025

19h 20m
ellipse
2 Stop

AEP

21:30

Buenos Aires

Jorge Newbery Airpark

Fri, 05 Sep 2025

£1730
British Airways
British Airways

LHR

22:15

London

London Heathrow Airport

Fri , 05 Sep 2025

16h 15m
ellipse
1 Stop

AEP

10:30

Buenos Aires

Jorge Newbery Airpark

Sat, 06 Sep 2025

£1808
KLM Royal Dutch Airlines
KLM Royal Dutch Airlines

LHR

08:40

London

London Heathrow Airport

Fri , 05 Sep 2025

19h 40m
ellipse
2 Stop

AEP

00:20

Buenos Aires

Jorge Newbery Airpark

Sat, 06 Sep 2025

£3649
KLM Royal Dutch Airlines
KLM Royal Dutch Airlines

LHR

06:30

London

London Heathrow Airport

Fri , 05 Sep 2025

21h 50m
ellipse
2 Stop

AEP

00:20

Buenos Aires

Jorge Newbery Airpark

Sat, 06 Sep 2025

£3889
ellipse

Find the Lowest Airfare London to Buenos Aires

Cheapest Fares
Fare
Date
Airline
Departure
Lowest Airfare
£529
22 September 2025
Aeromexico
22:30 PM
Cheapest Airfare Within 30 Days
£529
22 September 2025
Aeromexico
22:30 PM
Cheapest Airfare Within 90 Days
£529
22 September 2025
Aeromexico
22:30 PM
ellipse

Early Morning Flight London to Buenos Aires

wallet
Cheapest Flight
Found
£817
group
Average Flight
Time
19h 20m
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Date/Time
05 Sep 2025
06:10 AM
plane
Airlines
British Airways
Ellipse

Late Night Flight London to Buenos Aires

wallet
Cheapest Flight
Found
£989
group
Average Flight
Time
35h 35m
calendar
Date/Time
05 Sep 2025
22:05 PM
plane
Airlines
Avianca

Flights from London to Buenos Aires with Easemytrip

Flying from London to Buenos Aires has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.

The air route between London to Buenos Aires is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between London Heathrow Airport (LHR) and Jorge Newbery Airpark (AEP). You can expect a flight distance of approximately 11106 km, and most direct services cover it in around 17:40.

Let’s take a closer look at everything you need to know before booking your flight from London to Buenos Aires.

Travel Overview: London to Buenos Aires

Flight Details Information
Route Distance 11106 km
Average Flight Time 17:40 hrs
Departure Airport London Heathrow Airport (LHR)
Arrival Airport Jorge Newbery Airpark (AEP)
Cabin Classes Available Economy Class, Premium Economy, Business Class, First Class
Direct Flights NO
Common Airlines Lan Airlines, Air France, British Airways, Avianca

The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.

Read more

FAQs about flights from London to Buenos Aires

Are there direct flights from London to Buenos Aires?

How early should I book?

Which airlines offer the most frequent service?

Is it cheaper to fly round-trip or one-way?

Can I mix airlines for departure and return?

Is it possible to change or cancel my booking after confirmation?

Can I book additional baggage or in-flight services in advance?