Emirates is one of the best long-haul airlines to fly with a Brompton. Like British Airways, they include bicycles within your standard checked baggage allowance at no extra charge — provided the bike fits within the overall weight limit (30kg economy, 35kg business/first) and total dimensions don't exceed 300cm linear. You must contact Emirates at least 24 hours before your flight to notify them. Emirates flies to over 150 destinations from Dubai — essentially anywhere a Brompton rider wants to go.