: Known for uncovering international fares that others miss, especially long-haul, multi-stop routes. It uses a comprehensive algorithm that scans non-English booking sites.
Key differences in scope and airline coverage * Google Flights focuses on major airlines, alliances, and direct airline pricing. * The 10 Best (and Cheapest) Airfare Search Sites for 2026 the best website to buy flight tickets
: The "gold standard" for reliability. It provides a fare history graph to show if current prices are high or low and allows for instantaneous filtering by bag allowance or layover duration. : Known for uncovering international fares that others
: A specialist site for "hidden-city ticketing" . It finds flights where your actual destination is a layover on a longer route, often resulting in lower prices than a direct flight. * The 10 Best (and Cheapest) Airfare Search
Warning: Airlines generally discourage this; you cannot check luggage, and repeated use can lead to frequent flyer penalties.