Is it cheaper to buy tickets at airport?

Related questions

1. Why are plane tickets so expensive?
2. Is it cheaper to book flights after midnight?
3. Do flight prices go up the more you search?
4. Do plane tickets get cheaper last minute?
5. Do flight prices drop day of?
6. Will flight tickets go down?
7. How far in advance should I book a flight for best price?
8. Are flights really cheaper on Tuesdays?

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