Travel identification - domestic flights within Japan
All passengers, including children and infants travelling with an adult, will need to provide valid identification. Accepted identification types are:
Juki-card with photo (Basic Resident Register Card)
Passport
Driver’s license
Government issued photo identification
Student identification
Health insurance cards (健康保険証) are only acceptable for children who are travelling with a parent and both parent’s and child’s names are on the card. The parent must show photo identification.