Japan Airlines Flight NH637 Deals & Information (2025/2026)

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Japan Airlines Flight 637 Route Deals From $106

The cheapest prices found with in the last 7 days for return flights were $212 and $106 for one-way flights to Kumamoto for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 23 - Fri, Oct 24
HND
Haneda
KMJ
Kumamoto
$212 Roundtrip, found 2 days ago
$212
Roundtrip
found 2 days ago
Select Japan Airlines flight, departing Thu, Oct 23 from Haneda to Kumamoto, returning Fri, Oct 24, priced at $212 found 2 days ago
Sat, Oct 18 - Wed, Oct 29
HND
Haneda
KMJ
Kumamoto
$214 Roundtrip, found 3 days ago
$214
Roundtrip
found 3 days ago
Select Japan Airlines flight, departing Sat, Oct 18 from Haneda to Kumamoto, returning Wed, Oct 29, priced at $214 found 3 days ago
Fri, Mar 13 - Tue, Mar 17
HND
Haneda
KMJ
Kumamoto
$215 Roundtrip, found 23 hours ago
$215
Roundtrip
found 23 hours ago
Select Japan Airlines flight, departing Fri, Mar 13 from Haneda to Kumamoto, returning Tue, Mar 17, priced at $215 found 23 hours ago
Sat, Sep 27 - Tue, Oct 7
HND
Haneda
KMJ
Kumamoto
$218 Roundtrip, found 13 hours ago
$218
Roundtrip
found 13 hours ago
Select Japan Airlines flight, departing Sat, Sep 27 from Haneda to Kumamoto, returning Tue, Oct 7, priced at $218 found 13 hours ago
Sun, Sep 21 - Thu, Oct 9
HND
Haneda
KMJ
Kumamoto
$219 Roundtrip, found 6 days ago
$219
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Sun, Sep 21 from Haneda to Kumamoto, returning Thu, Oct 9, priced at $219 found 6 days ago
Thu, Sep 18 - Mon, Sep 22
HND
Haneda
KMJ
Kumamoto
$219 Roundtrip, found 1 day ago
$219
Roundtrip
found 1 day ago
Select Japan Airlines flight, departing Thu, Sep 18 from Haneda to Kumamoto, returning Mon, Sep 22, priced at $219 found 1 day ago
Mon, Oct 20 - Fri, Oct 24
HND
Haneda
KMJ
Kumamoto
$220 Roundtrip, found 6 days ago
$220
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Mon, Oct 20 from Haneda to Kumamoto, returning Fri, Oct 24, priced at $220 found 6 days ago
Sun, Nov 2 - Mon, Nov 10
HND
Haneda
KMJ
Kumamoto
$222 Roundtrip, found 4 days ago
$222
Roundtrip
found 4 days ago
Select Japan Airlines flight, departing Sun, Nov 2 from Haneda to Kumamoto, returning Mon, Nov 10, priced at $222 found 4 days ago
Fri, Mar 13 - Tue, Mar 17
HND
Haneda
KMJ
Kumamoto
$225 Roundtrip, found 23 hours ago
$225
Roundtrip
found 23 hours ago
Select Japan Airlines flight, departing Fri, Mar 13 from Haneda to Kumamoto, returning Tue, Mar 17, priced at $225 found 23 hours ago
Thu, Oct 16 - Sat, Oct 18
HND
Haneda
KMJ
Kumamoto
$226 Roundtrip, found 1 day ago
$226
Roundtrip
found 1 day ago
Select Japan Airlines flight, departing Thu, Oct 16 from Haneda to Kumamoto, returning Sat, Oct 18, priced at $226 found 1 day ago

Frequently asked questions

What route does flight number JL637 take?
JL637 jets from Tokyo Airport (HND-Haneda) to Kumamoto Airport (KMJ) directly. This trip typically takes 1 hour and 45 minutes.
How often is JL637 on time?
Japan Airlines flight number JL637 takes off according to schedule on 66% of its trips. We recommend leaving a little wiggle room in your flight plans if you are taking this flight. If your departure is delayed, you shouldn't have to wait longer than about 13 minutes. This route has a star rating of 2.45.
What terminal does JL637 fly out of?
Passengers with seats booked on flight number JL637 from Haneda Airport (HND) to Aso Kumamoto Airport typically jet out of Terminal 1.
What kind of plane is on flight number JL637?
Chances are you'll be boarding a Boeing 737-800 if you've reserved a seat on flight JL637. This flight typically jets off from Haneda Airport (HND) and arrives at KMJ.
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 JL637 flight with Travelocity, please visit our Customer Service Portal.