Cheap flights from London to Buenos Aires
Flights from London to Buenos Aires currently start at €524. Below are the cheapest dates, typical duration and airlines on this route. Search live fares when you are ready to book — prices change during the day.
Prices refresh daily · per adult · Typical time: 16h
Key facts
- Lowest fare
- €524 · Thu 3 Dec
- Direct flights
- No, with connections only
- Flight time
- 16h
- Airlines
- Iberia, Ryanair, British Airways, LATAM Airlines Group
- Cheapest month
- December 2026
- Distance
- 11128 km
Round trip
One way
Questions people ask before they book
How much are flights from London to Buenos Aires?
The lowest fare we currently show from London to Buenos Aires is €524 for one adult. That price is tied to specific dates and can sell out.
Are there direct flights from London to Buenos Aires?
Current cheap fares from London to Buenos Aires include a connection. Search live results and filter by Direct in case a nonstop seat opens up.
Which airlines fly from London to Buenos Aires?
Airlines showing fares on this route include Iberia, Ryanair, British Airways, LATAM Airlines Group, American Airlines, Wizz Air Malta. The cheapest airline is not always the one with a bag included.
How long is the flight from London to Buenos Aires?
A typical itinerary from London to Buenos Aires takes about 16h, including connections when the cheapest fare is not direct.
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December 2026