London to Buenos Aires 🇦🇷
Cheapest fare
$1,223
Fastest
15h 31m
Direct from
No direct
Dates tracked
8
Cheapest fare
$1,223
Fri, Mar 19 · 1 stop · 18h 50m · British Airways
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$1,223 is cheaper than 88% of departure dates on this route.
This is a low price for this route.
$1,223$1,333
Price calendar
Cheapest round-trip fare by departure day Cheap Average Pricey
November 2026
Price trend
Price alert
Cheapest day to fly
Friday
Averages $1,223, vs $1,298 on Sundays.
Work-hours calculator
This flight to Buenos Aires costs you 81h 32m of work.
Same money as
16
SUV fuel tanks
68
large pizzas
94
cinema tickets
204
fancy coffees
Airlines on this route
British Airways
from $1,223 · 1 dates
American Airlines
from $1,275 · 6 dates
Iberia
from $1,333 · 1 dates
Destination guide
Discover Buenos Aires
About Buenos Aires
Buenos Aires, officially the Autonomous City of Buenos Aires, is the capital and largest city of Argentina. It is located on the southwest of the Río de la Plata. Buenos Aires is classified as an Alpha− global city, according to the GaWC 2024 ranking.
Text from Wikipedia — Buenos Aires, licensed CC BY-SA 4.0.
All dates
Every fare, by date
| Departs | Return | Airline | Stops | Price |
|---|---|---|---|---|
| Mon, Nov 9 | Sat, Nov 21 | Iberia | 1 stop | $1,333 |
| Wed, Feb 10 | Fri, Feb 19 | American Airlines | 1 stop | $1,298 |
| Thu, Feb 11 | Sat, Feb 20 | American Airlines | 1 stop | $1,298 |
| Sun, Feb 14 | Thu, Feb 25 | American Airlines | 1 stop | $1,298 |
| Mon, Feb 15 | Mon, Mar 1 | American Airlines |
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More from London
FAQ
London to Buenos Aires: answers
How much is a flight from London to Buenos Aires?+
The cheapest fare we see right now is $1,223 round trip on Fri, Mar 19 with British Airways.
Are there direct flights from London to Buenos Aires?+
We haven't seen a direct fare recently; the best options have 1+ stop.
How long is the flight from London to Buenos Aires?+
The fastest itinerary we track takes about 15h 31m door to door.
What is the cheapest day to fly to Buenos Aires?+
Friday departures are the cheapest on average right now, Sunday the most expensive.
