Across
- 3. flight number
- 5. airport
- 8. international
- 11. terminal
- 12. boarding pass
- 16. airplane
- 17. passenger
- 18. window
- 20. suitcase
- 21. corridor
Down
- 1. counter
- 2. airline
- 4. gate
- 6. flight
- 7. lobby
- 9. control security
- 10. hand baggage
- 13. to leave
- 14. track
- 15. passport
- 16. to arrive
- 19. ticket