Japan Airlines Flight JL631 Deals & Information (2025/2026)

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Japan Airlines Flight 631 Route Deals From $109

The cheapest prices found with in the last 7 days for return flights were $216 and $109 for one-way flights to Kumamoto for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

What route does flight number JL631 take?
Flight number JL631 flies non-stop from Tokyo Haneda Airport to KMJ. During this journey, expect to be in the air for around 1 hour and 45 minutes. Book ahead to secure your preferred seat.
How often is JL631 on time?
Around 67% of flight number JL631 services touch down on time — so you may want to leave some room to move in your bookings. If your journey is delayed, the usual wait is around 14 minutes. Bear this in mind if you need to catch a connecting journey or someone special is collecting you from the airport. This service has a star rating of 2.45.
What terminal does JL631 fly out of?
You’ll likely be climbing aboard the plane at Terminal 1 if you’re traveling on flight number JL631 direct from Tokyo Airport (HND-Haneda) to Kumamoto Airport (KMJ).
What kind of plane is on flight number JL631?
The route for JL631 is predominantly HND to KMJ, and the Boeing 767-300 is the type of plane you’re likely to be jetting off with.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your JL631 flight with Travelocity, please visit our Customer Service Portal.