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Refundable vs Non-Refundable Flights: What You Actually Get Back
Cash refunds, credits and change fees, and when paying for a refundable fare makes sense.
Read the guideBooking rules
Free cancellations, fare holds, refunds and fare classes: the rules that let you book first and decide later.
All 10 booking rules guides
Booking rules
The 24-Hour Rule: How to Cancel a Flight for Free
Who the US rule covers, the 7-day catch, what Delta, American, JetBlue and Southwest give back, and how to rebook a cheaper fare.
Booking rules
How to Hold a Flight Without Paying (Fare Locks and Airline Holds)
Fare locks, free 24-hour holds and reservations that keep a price without buying the ticket.
Booking rules
Book Now, Pay Later Flights: How Pay-Later Airfare Works
Airline pay-later plans, Klarna, Affirm and Afterpay, and what each one adds to the price of a ticket.
Booking rules
Is Basic Economy Worth It? When the Cheapest Fare Costs More
Seats, bags, changes and boarding on the cheapest fare type, and who should skip it.
Booking rules
Fare Classes Explained: How the Letter on Your Ticket Sets the Price
Booking classes, fare basis codes and why two seats in the same cabin cost different prices.
Booking rules
Codeshare Flights: How to Book the Same Seat for Less
One flight, 2 or more flight numbers: which airline sells the seat for less, and whose bag, miles and refund rules apply.
Booking rules
Getting Bumped: Flight Vouchers, Compensation and How to Volunteer
Volunteering for vouchers, what involuntary bumping pays, and what to ask for at the gate.
Booking rules
What Is Proof of Onward Travel? (+ a Simple Solution)
Why the check-in agent wants a ticket out before you board, what counts as proof, and what each way of getting one costs.
Booking rules
6 Best Proof of Onward Travel Services
Prices, stated hold times, delivery and refund terms for 6 onward ticket services, read from each service's own pages in October 2026.