Can I add another traveller to my flight itinerary? No. You cannot add another person to your existing flight itinerary. Please book the flight for another traveller separately. Was this article helpful? Can't find what you're looking for? Inquiry Form Related articles How do I change my flight reservation? How do I cancel my flight reservation? What should i do if I made a change/refund with the airline directly? Is it possible to transfer my airline ticket to someone else? How can I make an inquiry to DeNA TRAVEL?