Compare low-cost airlines

139 head-to-heads between airlines in our directory: 61 pairs share a hub airport, the rest are among the largest fleets in their region. Each page sets the two side by side — fleet, hubs, founding year, status — with every figure’s source and date. We compare facts, not fares, and never pick a winner.

• 139head-to-heads
• 61airlines compared
• 61pairs share a hub