I am enrolled in a mileage plan. Can I get mileage with DeNA TRAVEL? Mileage is handled by airlines and the airline should be contacted directly with airline confirmation number which can be found on the copy of the e-ticket. Was this article helpful? Can't find what you're looking for? Inquiry Form Related articles How can I check if the LCC fare I bought includes baggage? Can I use frequent flyer miles for trips booked on DeNA TRAVEL?