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.
February- During this month the footfall is less so, the flight is gradually inexpensive.
February - is the cheapest month to book round trip flights.
Disclaimer - 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.

London
19:05
London
London Heathrow Airport
Sat , 10 Jan 2026

Buenos Aires
10:30
Buenos Aires
Jorge Newbery Airpark
Mon, 12 Jan 2026

London
20:15
London
London Heathrow Airport
Sat , 10 Jan 2026

Buenos Aires
11:45
Buenos Aires
Jorge Newbery Airpark
Sun, 11 Jan 2026

London
08:15
London
London Heathrow Airport
Sat , 10 Jan 2026

Buenos Aires
01:40
Buenos Aires
Jorge Newbery Airpark
Sun, 11 Jan 2026

London
20:15
London
London Heathrow Airport
Sat , 10 Jan 2026

Buenos Aires
09:40
Buenos Aires
Jorge Newbery Airpark
Sun, 11 Jan 2026

London
17:25
London
London Heathrow Airport
Sat , 10 Jan 2026

Buenos Aires
09:40
Buenos Aires
Jorge Newbery Airpark
Sun, 11 Jan 2026

London
21:40
London
London Heathrow Airport
Sat , 10 Jan 2026

Buenos Aires
05:40
Buenos Aires
Jorge Newbery Airpark
Mon, 12 Jan 2026

London
13:25
London
London Heathrow Airport
Sat , 10 Jan 2026

Buenos Aires
12:20
Buenos Aires
Jorge Newbery Airpark
Sun, 11 Jan 2026

London
18:40
London
London Heathrow Airport
Sat , 10 Jan 2026

Buenos Aires
17:20
Buenos Aires
Jorge Newbery Airpark
Sun, 11 Jan 2026

London
06:30
London
London Heathrow Airport
Sat , 10 Jan 2026

Buenos Aires
09:20
Buenos Aires
Jorge Newbery Airpark
Sun, 11 Jan 2026

London
06:30
London
London Heathrow Airport
Sat , 10 Jan 2026

Buenos Aires
00:40
Buenos Aires
Jorge Newbery Airpark
Sun, 11 Jan 2026










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 22:13.
Let’s take a closer look at everything you need to know before booking your flight from London to Buenos Aires.
| Flight Details | Information |
|---|---|
| Route Distance | 11106 km |
| Average Flight Time | 22:13 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, TAP Air Portugal, Iberia, 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.