Booking a flight in the US? Start by comparing prices on travel sites like Expedia, Kayak, and Google Flights. Be flexible with your travel dates and consider nearby airports for the best deals. Set up fare alerts to monitor price drops. Consider budget airlines like Southwest and Spirit for lower fares. Clear your browser cookies to avoid price hikes based on repeated searches. Booking in advance or at the last minute can sometimes offer the best prices. Don’t forget to check the airline's official website for exclusive deals and promotions. Happy flying!