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Flex

A variable fare dependent on estimated seat availability.

The fare will be applicable to flights on/after May 19, 2026.

  • *

    For flights departing on/after May 19, 2026, the descriptions on the reservation search page for Japan domestic flights will change from "Premium Class" and "Economy Class Seat" to "First Class (Premium Class)" and "Economy Class" respectively.
    There are no plans for any changes to the service following this change in terminology.

Set Classes

First Class, Economy Class

Reservation and Purchasing Period

From (9:00 a.m. Japan Standard Time) 355 days prior to the departure date until the day of departure.

  • *

    Waitlist Reservation Service is available. (Only if your flight ticket is one-way and direct)

Payment Deadline

From the start of sale up to 24 hours prior to departure time: 48 hours after making the reservation or 24 hours prior to the departure time, whichever is sooner.
From 24 hours prior to the departure time up to 20 minutes before departure: Immediate purchase

  • *

    When purchasing multiple segments at the same time, the payment deadline will be based on the first segment.

Outbound/Inbound One allowed for each

Not allowed

Changes

Reserved flight changes are allowed if they are on the same segment*1 and within the same fare.
Changes between First Class and Economy Class are allowed.
If the fare amount differs between the time of purchase and the time of change due to a change in reservations, a fare adjustment will be required.
No changes are allowed after departure time.
It is not possible to change passengers.

  • * 1

    Changes can be made from direct flight to direct flight, direct flight to indirect flight, indirect flight to direct flight, and indirect flight to indirect flight.

Changing from First Class to Economy Class for Reasons Other Than Customer Convenience

Please note that your assigned seat may be changed from First Class to Economy Class without prior notice due to aircraft changes, delays, flight cancellations, or other unavoidable reasons.
If you have already purchased your ticket, you will be refunded the difference between Economy Class Flex on the date of purchase and Economy Class Flex on the date of travel.
If you are changed to Economy Class for a segment of your flight due to a transfer (using a connecting airport), you will be refunded a fare difference prorated by the distance.

Refunds

Requests must be received within the 30-day period starting from the day after the expiration date of the flight ticket.
A cancellation fee will apply for refunds.

Discounts

Available

Upgrades, Advance Seat Reservation, and Free Baggage Allowance

Item First Class Economy class
Upgrade - Available
Advance Seat Reservation Free Free
Free Baggage Allowance 32 kg / 3 bags 23 kg / 2 bags

Fare Table

Mileage Accrual Rate

First Class: 150%
Economy Class: 100%