British Airways
Mo, We, and Sa
starting at $1,029
Compare airlines, prices, and flight durations for your trip
A non-stop flight is the most convenient and comfortable way to fly from London to Buenos Aires, despite the fact that sometimes flights with transfers can cost significantly less.
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from London to Buenos Aires:
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
Looking for cheap flights from London, United Kingdom to Buenos Aires, Argentina? Look no further! Our air ticket search website is here to help you find the best deals for your travel plans. Discover the vibrant beauty of Buenos Aires without breaking the bank. With our user-friendly interface, you can easily compare prices from various airlines and choose the one that suits your budget. Explore the birthplace of tango, stroll through beautiful neighborhoods like Palermo and Recoleta, and indulge in mouthwatering steaks and delicious Malbec wines. Whether you're planning a city break or a longer vacation, finding affordable flights is just a few clicks away. Don't miss out on this incredible opportunity to experience the rich culture, history, and charm of Buenos Aires. Book your cheap flight now and make unforgettable memories in the enchanting capital of Argentina.
British Airways
Mo, We, and Sa
starting at $1,029
London — Buenos Aires
02/17/2026
Departure
Direct flight
BA249
starting at $1,297
London — Buenos Aires
02/19/2026
Departure
Direct flight
BA249
starting at $1,076
London — Buenos Aires
02/22/2026
Departure
Direct flight
BA249
starting at $1,076
London — Buenos Aires
03/05/2026
Departure
Direct flight
BA249
starting at $1,235
London — Buenos Aires
03/11/2026
Departure
Direct flight
BA249
starting at $1,226
London — Buenos Aires
03/13/2026
Departure
Direct flight
BA249
starting at $1,186
London — Buenos Aires
03/16/2026
Departure
Direct flight
BA249
starting at $1,223
London — Buenos Aires
03/18/2026
Departure
Direct flight
BA249
starting at $1,235
London — Buenos Aires
04/04/2026
Departure
Direct flight
BA249
starting at $1,137
London — Buenos Aires
04/06/2026
Departure
Direct flight
BA249
starting at $1,227
starting at $1,075
starting at $431
starting at $435
starting at $551
starting at $558
starting at $604
starting at $647
starting at $666
More than 8 airlines operate flights from London to Buenos Aires, including British Airways, Ryanair, Wizz Air, Avianca, EasyJet, LC Busre SAC, United Airlines, and ITA Airways. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $431, and our service lets you instantly compare all options. The variety of offers simplifies planning: you can choose budget fares or more comfortable options with baggage included or extra services. We help you find the best deals so your trip is cost-efficient.
We couldn't find any special offers for flights from London to Buenos Aires
The cheapest flight ticket from London to Buenos Aires according to data for the last 48 hours costs $431
Often the best time to buy tickets from London to Buenos Aires is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from London to Buenos Aires can be found flying in these months: March, May, April.
The fastest flights from London to Buenos Aires start from 22 hours 15 minutes in the air.
The following airlines operate direct flights on the route London — Buenos Aires: British Airways
The cost of a one-way flight from London to Buenos Aires ranges from $541 (March 2026) to $818 (December 2026). On average, the ticket price is about $666–$1,366.
The cheapest one-way flight from London to Buenos Aires departs on 03/11/2026, is operated by Ryanair and costs $431
The cheapest roundtrip flight from London to Buenos Aires departs on 05/05/2026, is operated by Avianca and costs $924
Fastest flight from London to Buenos Aires takes 22h 15m
There are direct flights on this route 7 days a week: Su, Mo, Tu, We, Th, Fr, and Sa
The distance between London and Buenos Aires is 11136km (6904 miles). There are 7 direct flights from London to Buenos Aires. The time difference between London and Buenos Aires is 3h. Flights from London begin at 10:00 PM. The latest flight from London departs at 10:00 PM
