Bon Voyage!

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Across
  1. 4. at the train station
  2. 7. male flight attendant
  3. 8. boarding pass
  4. 9. airport security (TSA)
  5. 10. female flight attendant
  6. 13. lodging/accommodations
  7. 17. boarding gate (at the airport)
  8. 20. to pack one's suitcase
  9. 21. airbnb
  10. 22. hotel
Down
  1. 1. suitcase
  2. 2. plane
  3. 3. youth hostel
  4. 5. at the airport
  5. 6. ticket (train or general)
  6. 11. to take off (plane)
  7. 12. to land (plane)
  8. 14. to board (the plane)
  9. 15. train platform
  10. 16. train (general word)
  11. 18. flight
  12. 19. high speed train