Do flight prices go up and down?

Related questions

1. Is it cheaper to book a flight at the last minute?
2. Do travel agents fly free?
3. Why are flights in the US so expensive?
4. Do travel agents cost money?
5. Do travel agents get better prices?
6. Can a travel agent save me money?
7. Is it cheaper to book flights online or with a travel agent?
8. What day is best to book a flight?
9. What is the cheapest month to fly?
10. Do flight prices change at midnight?

Tags

1. #gamble
2. #safer
3. #usually
4. #higher
5. #doubt
6. #remember
7. #should
8. #earlier
9. #flight
10. #booking
11. #going
12. #could
13. #fares
14. #price