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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

January
February
March
April
August
September
October
November
December

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.

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

Iberia
Iberia

London

17:25

London

London Heathrow Airport

Sat , 17 Jan 2026

19h 15m
ellipse
2 Stop

Buenos Aires

09:40

Buenos Aires

Jorge Newbery Airpark

Sun, 18 Jan 2026

£620
Lan Airlines
Lan Airlines

London

20:15

London

London Heathrow Airport

Sat , 17 Jan 2026

20h 45m
ellipse
1 Stop

Buenos Aires

14:00

Buenos Aires

Jorge Newbery Airpark

Sun, 18 Jan 2026

£689
TAP Air Portugal
TAP Air Portugal

London

08:15

London

London Heathrow Airport

Sat , 17 Jan 2026

20h 25m
ellipse
2 Stop

Buenos Aires

01:40

Buenos Aires

Jorge Newbery Airpark

Sun, 18 Jan 2026

£767
Swiss
Swiss

London

18:40

London

London Heathrow Airport

Sat , 17 Jan 2026

25h 40m
ellipse
2 Stop

Buenos Aires

17:20

Buenos Aires

Jorge Newbery Airpark

Sun, 18 Jan 2026

£1057
Lan Airlines
Lan Airlines

London

19:05

London

London Heathrow Airport

Sat , 17 Jan 2026

42h 25m
ellipse
2 Stop

Buenos Aires

10:30

Buenos Aires

Jorge Newbery Airpark

Mon, 19 Jan 2026

£1075
Lan Airlines
Lan Airlines

London

20:15

London

London Heathrow Airport

Sat , 17 Jan 2026

16h 25m
ellipse
1 Stop

Buenos Aires

09:40

Buenos Aires

Jorge Newbery Airpark

Sun, 18 Jan 2026

£1811
Avianca
Avianca

London

21:40

London

London Heathrow Airport

Sat , 17 Jan 2026

35h 00m
ellipse
1 Stop

Buenos Aires

05:40

Buenos Aires

Jorge Newbery Airpark

Mon, 19 Jan 2026

£2027
Swiss
Swiss

London

18:40

London

London Heathrow Airport

Sat , 17 Jan 2026

24h 00m
ellipse
2 Stop

Buenos Aires

15:40

Buenos Aires

Jorge Newbery Airpark

Sun, 18 Jan 2026

£2316
Air Canada
Air Canada

London

13:25

London

London Heathrow Airport

Sat , 17 Jan 2026

34h 35m
ellipse
2 Stop

Buenos Aires

21:00

Buenos Aires

Jorge Newbery Airpark

Sun, 18 Jan 2026

£2982
KLM Royal Dutch Airlines
KLM Royal Dutch Airlines

London

06:30

London

London Heathrow Airport

Sat , 17 Jan 2026

22h 10m
ellipse
2 Stop

Buenos Aires

01:40

Buenos Aires

Jorge Newbery Airpark

Sun, 18 Jan 2026

£3588
KLM Royal Dutch Airlines
KLM Royal Dutch Airlines

London

06:30

London

London Heathrow Airport

Sat , 17 Jan 2026

21h 10m
ellipse
2 Stop

Buenos Aires

00:40

Buenos Aires

Jorge Newbery Airpark

Sun, 18 Jan 2026

£3723
ellipse

Early Morning Flight London to Buenos Aires

wallet
Cheapest Flight
Found
£3723
group
Average Flight
Time
21h 10m
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Date/Time
17 Jan 2026
06:30 AM
plane
Airlines
KLM Royal Dutch Airlines
Ellipse

Late Night Flight London to Buenos Aires

wallet
Cheapest Flight
Found
£1811
group
Average Flight
Time
16h 25m
calendar
Date/Time
17 Jan 2026
20:15 PM
plane
Airlines
Lan 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 22:37.

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 22:37 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 Iberia, Lan Airlines, TAP Air Portugal, Swiss

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?