London to Buenos Aires Business Class Flights
Lie-flat business class · 13h 30m · British Airways
Based on fares from the past 90 days. Prices vary by date.
Quick answer: cheapest business class London to Buenos Aires
- From €2,000 round-trip in business (typical €5,000) — indicative hub benchmark.
- Best product: British Airways Club Suite with Privacy Door (8/10 on Flat Flights).
- Flight time: 13h 30m.
- Fares move daily — the button opens live Aviasales business-class search for this route.
Compare business class flights from London to Buenos Aires. Lie-flat seats from €2,000 on British Airways. Flight time 13h 30m, distance 11,130 km. Book 2-4 months ahead for the best fares.
Fare spotlight by month (business class)
Sample lowest fares from the Travelpayouts feed · updates as you browse
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Airlines on this route
Business class service between London and Buenos Aires is operated by British Airways . All carriers offer lie-flat seats with direct aisle access on this 11,130 km route, with typical flight times of 13h 30m.
What to expect on London–Buenos Aires
At 13h 30m, this long-haul route is where business class truly shines. Expect a fully lie-flat bed (Lie-flat), multi-course dining, and premium lounge access at London. British Airways operates the most competitive fares starting at €2,000.
London (LHR) — departure airport
Flights depart from London (LHR). Business class passengers have access to premium lounges before departure. Your destination airport is Buenos Aires (EZE). See our LHR airport guide for lounge details and EZE arrival info.
How to book London to Buenos Aires business class
Prices for business class from London to Buenos Aires range from €2,000 to €5,000. For routes above €1,500, booking 3–6 months ahead and being flexible with dates can save 20–30%. Set a price alert and wait for sales. Compare fares across 1 airlines — prices can vary by €1,500 or more depending on the carrier and season.