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Travel Guides

Practical, expert-reviewed guides on finding cheap flights, understanding airline fees, and navigating airports — from the FlightReservationsDesk team.

Booking Tips

Airlines & Fees

Airports

Frequently Asked Questions

How do I find the cheapest flights?
Search on Tuesday or Wednesday, book 4–8 weeks before departure for domestic routes, and compare nearby airports. Use FlightReservationsDesk to compare fares across all major US airlines at once.
What is the best time to book a flight?
For domestic US flights, book 4–8 weeks in advance. For international travel, 2–6 months ahead is optimal. Prices rise sharply in the final 3 weeks before departure.
Can I change or cancel a flight after booking?
Most major US airlines allow free changes and cancellations on standard fares. Basic Economy tickets are generally non-changeable. See our flight change and cancellation guides for full policy details by airline.
What are the baggage fees for major US airlines?
Southwest is the only US carrier with two free checked bags. American, Delta, and United charge $35 for the first checked bag on domestic flights. See our airline baggage fee comparison for the full breakdown.
Which US airline is the cheapest?
Spirit, Frontier, and Allegiant typically offer the lowest base fares, but charge fees for carry-ons and seat selection. Southwest offers the best value when bag fees are factored in. Prices vary significantly by route and timing.