Cheapest return flights from London (LON) to Buenos Aires (AEP), December

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
02 Dec 11 Dec Avianca
04 Dec 13 Dec TAP
02 Dec 12 Dec Air Canada
07 Dec 20 Dec easyJet
01 Dec 20 Dec Ryanair
08 Dec 18 Dec Ryanair
14 Dec 11 Jan Air Canada
01 Dec 19 Dec Ryanair
04 Dec 19 Dec Ryanair
11 Dec 28 Dec Air Canada
15 Dec 23 Dec Wizz Air UK
11 Dec 10 Jan Vueling Airlines
09 Dec 16 Jan easyJet
11 Dec 16 Jan Ryanair
16 Dec 18 Jan Wizz Air UK
08 Dec 19 Jan Ryanair
15 Dec 14 Jan Air Canada
31 Dec 18 Jan easyJet
10 Dec 10 Jan Wizz Air UK
08 Dec 13 Jan Air Canada
Powered by

deals for one-way flights from London to Buenos Aires in December.

Book a cheap hotel in Buenos Aires

Cheap car rent in Aeroparque Jorge Newbery

Updated Jul 23, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

Feel free to contact us with any feedback or request another flight research.