Deadline varies depending on what you would like to change.

• Change of fare type
  You cannot change the fare type.
• Change of flight, date of departure
  ● Minimum/Standard
  The flight reservation cannot be changed.
  ● Standard Plus
  Bookings may be changed up to 1 hour prior to the departure time stated in the itinerary as many times as you like.
  There is no change fee for procedures via the website.
  Only the fare difference between the original flight and the new flight will be charged.
• Adding Checked baggage
  No later than 1 hour prior to the departure time stated in the itinerary
• Seat Selection
  No later than 3 hours prior to the departure time stated in the itinerary

To make changes, please log in to the "Manage booking" page below and complete the procedure.
「Manage booking」（Log in page）