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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

February
March
April
August
September
October
November
December
January

February is by far the best month, wherein you can get cheapest flights for London to Buenos Aires. Meanwhile, February 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
February

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

round Round Trip Fare
February

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

Cheaper Fare
£ 532

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

Lan Airlines
Lan Airlines

London

19:40

London

London Heathrow Airport

Tue , 10 Feb 2026

23h 20m
ellipse
2 Stop

Buenos Aires

16:00

Buenos Aires

Jorge Newbery Airpark

Wed, 11 Feb 2026

£674
British Airways
British Airways

London

07:30

London

London Heathrow Airport

Tue , 10 Feb 2026

29h 10m
ellipse
2 Stop

Buenos Aires

09:40

Buenos Aires

Jorge Newbery Airpark

Wed, 11 Feb 2026

£749
British Airways
British Airways

London

21:15

London

London Heathrow Airport

Tue , 10 Feb 2026

15h 25m
ellipse
1 Stop

Buenos Aires

09:40

Buenos Aires

Jorge Newbery Airpark

Wed, 11 Feb 2026

£834
Lan Airlines
Lan Airlines

London

20:15

London

London Heathrow Airport

Tue , 10 Feb 2026

16h 25m
ellipse
1 Stop

Buenos Aires

09:40

Buenos Aires

Jorge Newbery Airpark

Wed, 11 Feb 2026

£895
TAP Air Portugal
TAP Air Portugal

London

08:15

London

London Heathrow Airport

Tue , 10 Feb 2026

21h 05m
ellipse
2 Stop

Buenos Aires

02:20

Buenos Aires

Jorge Newbery Airpark

Wed, 11 Feb 2026

£949
Air Canada
Air Canada

London

13:25

London

London Heathrow Airport

Tue , 10 Feb 2026

25h 55m
ellipse
2 Stop

Buenos Aires

12:20

Buenos Aires

Jorge Newbery Airpark

Wed, 11 Feb 2026

£1118
Avianca
Avianca

London

21:40

London

London Heathrow Airport

Tue , 10 Feb 2026

35h 00m
ellipse
1 Stop

Buenos Aires

05:40

Buenos Aires

Jorge Newbery Airpark

Thu, 12 Feb 2026

£1177
Iberia
Iberia

London

19:05

London

London Heathrow Airport

Tue , 10 Feb 2026

27h 35m
ellipse
2 Stop

Buenos Aires

19:40

Buenos Aires

Jorge Newbery Airpark

Wed, 11 Feb 2026

£1662
Iberia
Iberia

London

19:40

London

London Heathrow Airport

Tue , 10 Feb 2026

27h 00m
ellipse
2 Stop

Buenos Aires

19:40

Buenos Aires

Jorge Newbery Airpark

Wed, 11 Feb 2026

£1699
KLM Royal Dutch Airlines
KLM Royal Dutch Airlines

London

06:30

London

London Heathrow Airport

Tue , 10 Feb 2026

33h 10m
ellipse
2 Stop

Buenos Aires

12:40

Buenos Aires

Jorge Newbery Airpark

Wed, 11 Feb 2026

£3706
KLM Royal Dutch Airlines
KLM Royal Dutch Airlines

London

17:05

London

London Heathrow Airport

Tue , 10 Feb 2026

19h 55m
ellipse
2 Stop

Buenos Aires

10:00

Buenos Aires

Jorge Newbery Airpark

Wed, 11 Feb 2026

£3767
ellipse

Find the Lowest Airfare London to Buenos Aires

Cheapest Fares
Fare
Date
Airline
Departure
Lowest Airfare
£532
02 February 2026
United Airlines
12:50 AM
Cheapest Airfare Within 30 Days
£532
02 February 2026
United Airlines
12:50 AM
Cheapest Airfare Within 90 Days
£532
02 February 2026
United Airlines
12:50 AM
ellipse

Early Morning Flight London to Buenos Aires

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Cheapest Flight
Found
£3706
group
Average Flight
Time
33h 10m
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Date/Time
10 Feb 2026
06:30 AM
plane
Airlines
KLM Royal Dutch Airlines
Ellipse

Late Night Flight London to Buenos Aires

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Cheapest Flight
Found
£834
group
Average Flight
Time
15h 25m
calendar
Date/Time
10 Feb 2026
21:15 PM
plane
Airlines
British Airways

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 21:54.

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 21:54 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, British Airways, TAP Air Portugal, Air Canada

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?