Why are last minute flights so expensive?

Related questions

1. How far in advance should you book a flight?
2. Do pilots make good money?
3. Can you get a flight itinerary without paying?
4. Can I fly internationally without a passport?
5. What does travel itinerary mean?
6. Can you do a payment plan for plane tickets?
7. Is it cheaper to buy a plane ticket at the airport?
8. Can I book an international flight without a passport 2018?
9. Can you pay for a cruise in installments?
10. Can I book a flight without my passport number?

Tags

1. #designed
2. #fares
3. #business
4. #customers
5. #afford
6. #generally
7. #purchase
8. #expensive
9. #minute
10. #tickets
11. #example
12. #airlines
13. #reason
14. #system
15. #travelers