Cheap Flights from London to Buenos Aires Starting at $422

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.

The cost of a one-way flight from London to Buenos Aires ranges from $611 (February 2026) to $659 (December 2025). On average, the ticket price is about $641–$648.

More than 12 airlines operate flights from London to Buenos Aires, including British Airways, EasyJet, Ryanair, Iberia, Air Europa, Iberia Express, Wizz Air, LC Busre SAC, United Airlines, TAP Portugal, Vueling, and Aeromexico. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $422, 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.

A direct 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.