Offers robust filters, such as the ability to include baggage fees in your initial price comparison.
Frequently cited for finding lower fares that other engines might miss, including "Explore Everywhere" options.
Features a "Flight Insight" tool that tells you the best time to book based on historical data. 2. Online Travel Agencies (OTAs)
These sites don't sell tickets themselves; they scan hundreds of other sites to find the cheapest options.