Guest Bookings

Q I can’t log in to my guest booking.

A
Your browser cache may be preventing you from logging in.
Please clear your browser cache and try again, or try logging in using private/incognito mode or a different browser.

Guest bookings do not require an ID or password.
On the login page, select [Book as a Guest] and log in using your reservation number and phone number.

■ Guest Booking Login
https://www.kosokubus.com/_en/?page=login

If you do not know your reservation number or phone number, please contact the Kosoku Bus.com Center by email at info-inbound@kosokubus.com during business hours.
Last Updated: Jun 2, 2026

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