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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(s)

Economy

August
September
October
November
December
January
February
March
April

September is by far the best month, wherein you can get cheapest flights for London to Buenos Aires. Meanwhile, July 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
£ 1036

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
British Airways
British Airways

LHR

22:15

London

London Heathrow Airport

Thu , 03 Jul 2025

23h 05m
ellipse
Non Stop

AEP

17:20

Buenos Aires

Jorge Newbery Airpark

Fri, 04 Jul 2025

£893
Lan Airlines
Lan Airlines

LHR

21:20

London

London Heathrow Airport

Sat , 05 Jul 2025

17h 10m
ellipse
Non Stop

AEP

10:30

Buenos Aires

Jorge Newbery Airpark

Sun, 06 Jul 2025

£901
Avianca
Avianca

LHR

22:05

London

London Heathrow Airport

Sat , 05 Jul 2025

35h 35m
ellipse
Non Stop

AEP

05:40

Buenos Aires

Jorge Newbery Airpark

Mon, 07 Jul 2025

£978
Avianca
Avianca

LHR

22:05

London

London Heathrow Airport

Thu , 03 Jul 2025

35h 35m
ellipse
Non Stop

AEP

05:40

Buenos Aires

Jorge Newbery Airpark

Sat, 05 Jul 2025

£998
Lan Airlines
Lan Airlines

LHR

21:20

London

London Heathrow Airport

Thu , 03 Jul 2025

17h 10m
ellipse
Non Stop

AEP

10:30

Buenos Aires

Jorge Newbery Airpark

Fri, 04 Jul 2025

£1037
British Airways
British Airways

LHR

22:15

London

London Heathrow Airport

Fri , 04 Jul 2025

16h 15m
ellipse
Non Stop

AEP

10:30

Buenos Aires

Jorge Newbery Airpark

Sat, 05 Jul 2025

£1098
Lan Airlines
Lan Airlines

LHR

21:20

London

London Heathrow Airport

Fri , 04 Jul 2025

17h 10m
ellipse
Non Stop

AEP

10:30

Buenos Aires

Jorge Newbery Airpark

Sat, 05 Jul 2025

£1109
TAP Air Portugal
TAP Air Portugal

LHR

08:00

London

London Heathrow Airport

Thu , 03 Jul 2025

21h 40m
ellipse
Non Stop

AEP

01:40

Buenos Aires

Jorge Newbery Airpark

Fri, 04 Jul 2025

£1150
Emirates
Emirates

LHR

20:40

London

London Heathrow Airport

Sat , 05 Jul 2025

30h 40m
ellipse
Non Stop

AEP

23:20

Buenos Aires

Jorge Newbery Airpark

Sun, 06 Jul 2025

£1270
Emirates
Emirates

LHR

22:15

London

London Heathrow Airport

Fri , 04 Jul 2025

28h 05m
ellipse
Non Stop

AEP

22:20

Buenos Aires

Jorge Newbery Airpark

Sat, 05 Jul 2025

£1270
Lufthansa
Lufthansa

LHR

18:30

London

London Heathrow Airport

Fri , 04 Jul 2025

18h 50m
ellipse
Non Stop

AEP

09:20

Buenos Aires

Jorge Newbery Airpark

Sat, 05 Jul 2025

£1292
ellipse

Find the Lowest Airfare London to Buenos Aires

Cheapest Fares
Fare
Date
Airline
Departure
Lowest Airfare
£1036
08 July 2025
Aeromexico
22:30 PM
Cheapest Airfare Within 30 Days
£1036
08 July 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
£1870
group
Average Flight
Time
21h 20m
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Date/Time
03 Jul 2025
06:00 AM
plane
Airlines
Azul Brazilian Airlines
Ellipse

Late Night Flight London to Buenos Aires

wallet
Cheapest Flight
Found
£1628
group
Average Flight
Time
29h 15m
calendar
Date/Time
04 Jul 2025
22:25 PM
plane
Airlines
Turkish Airlines

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 20:38.

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 20:38 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 YES
Common Airlines British Airways, Lan Airlines, Avianca, TAP Air Portugal

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?