SEA - KMJ

$1,049 Find Cheap Flights from Seattle to Kumamoto - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,049
Typical prices: $849-$1,219
ANA
Mon 2/12Sun 2/18
SEA - KMJ • 1 stop
Nonstop flights
There are currently no direct flights between Seattle and Kumamoto. You'll need to take a connecting flight to reach the destination.
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Cheap Flights from Seattle to Kumamoto (SEA-KMJ)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Kumamoto

Fri, Feb 12 - Thu, Feb 18
ANA Logo
3:45 pm - 10:00 amSEA  Seattle/Tacoma Intl-KMJ Kumamoto
25h 15m1 stop Tokyo Haneda
ANA Logo
8:25 pm - 1:20 pmKMJ  Kumamoto-SEA Seattle/Tacoma Intl
33h 55m1 stop Tokyo Haneda
$1,049ANA
Thu, Feb 11 - Thu, Feb 18
ANA Logo
3:45 pm - 10:00 amSEA  Seattle/Tacoma Intl-KMJ Kumamoto
25h 15m1 stop Tokyo Haneda
ANA Logo
8:25 pm - 1:20 pmKMJ  Kumamoto-SEA Seattle/Tacoma Intl
33h 55m1 stop Tokyo Haneda
$1,050ANA
Thu, Feb 11 - Thu, Feb 18
ANA Logo
3:45 pm - 10:00 amSEA  Seattle/Tacoma Intl-KMJ Kumamoto
25h 15m1 stop Tokyo Haneda
ANA Logo
8:25 pm - 1:20 pmKMJ  Kumamoto-SEA Seattle/Tacoma Intl
33h 55m1 stop Tokyo Haneda
$1,054ANA
Thu, Feb 11 - Fri, Feb 19
ANA Logo
3:45 pm - 7:40 pmSEA  Seattle/Tacoma Intl-KMJ Kumamoto
34h 55m1 stop Tokyo Haneda
ANA Logo
8:15 am - 1:20 pmKMJ  Kumamoto-SEA Seattle/Tacoma Intl
22h 05m1 stop Tokyo Haneda
$1,055ANA
Mon, Feb 8 - Thu, Feb 11
Japan Airlines Logo
8:45 am - 10:00 amSEA  Seattle/Tacoma Intl-KMJ Kumamoto
32h 15m2 stops San Francisco Tokyo Haneda
Japan Airlines Logo
8:00 pm - 10:05 amKMJ  Kumamoto-SEA Seattle/Tacoma Intl
31h 05m1 stop Tokyo Narita
$1,170Japan Airlines
Thu, Feb 11 - Thu, Feb 18
Multiple Airlines Logo
3:45 pm - 9:15 amSEA  Seattle/Tacoma Intl-KMJ Kumamoto
24h 30m1 stop Tokyo Haneda
Multiple Airlines Logo
8:00 pm - 12:57 pmKMJ  Kumamoto-SEA Seattle/Tacoma Intl
33h 57m2 stops Tokyo Narita Vancouver Intl
$1,198Multiple Airlines
Mon, Feb 8 - Thu, Feb 11
Japan Airlines Logo
8:45 am - 8:25 amSEA  Seattle/Tacoma Intl-KMJ Kumamoto
30h 40m2 stops San Francisco Tokyo Haneda
Japan Airlines Logo
10:40 am - 3:41 pmKMJ  Kumamoto-SEA Seattle/Tacoma Intl
22h 01m2 stops Tokyo Haneda Los Angeles
$1,200Japan Airlines
Thu, Feb 11 - Thu, Feb 18
Multiple Airlines Logo
3:45 pm - 9:15 amSEA  Seattle/Tacoma Intl-KMJ Kumamoto
24h 30m1 stop Tokyo Haneda
Multiple Airlines Logo
8:00 pm - 12:57 pmKMJ  Kumamoto-SEA Seattle/Tacoma Intl
33h 57m2 stops Tokyo Narita Vancouver Intl
$1,203Multiple Airlines
Thu, Feb 11 - Thu, Feb 18
Multiple Airlines Logo
4:12 pm - 8:25 amSEA  Seattle/Tacoma Intl-KMJ Kumamoto
23h 13m2 stops Los Angeles Tokyo Haneda
Multiple Airlines Logo
7:35 am - 11:22 amKMJ  Kumamoto-SEA Seattle/Tacoma Intl
20h 47m2 stops Tokyo Haneda Los Angeles
$1,212Multiple Airlines
Fri, Mar 12 - Thu, Mar 18
STARLUX Airlines Logo
11:45 pm - 10:35 amSEA  Seattle/Tacoma Intl-KMJ Kumamoto
17h 50m1 stop Taipei City Taiwan Taoyuan Intl
STARLUX Airlines Logo
11:45 am - 4:05 pmKMJ  Kumamoto-SEA Seattle/Tacoma Intl
20h 20m1 stop Taipei City Taiwan Taoyuan Intl
$1,219STARLUX Airlines
Booking Insights

Price, demand and travel trends for Seattle to Kumamoto flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Seattle to Kumamoto?

Round-trip flights from Seattle to Kumamoto typically range from $849 to $1,219. The lowest price found in the past 5 days was $1,049, on ANA.

Key details for Seattle to Kumamoto flights

Cheapest flight

$1,049
Round-trip flight from Seattle to Kumamoto

When to book flights from Seattle to Kumamoto

Are your dates flexible? Find out the best times to travel from Seattle to Kumamoto based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to Kumamoto flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • How long is a flight from Seattle to Kumamoto?

    A nonstop flight from Seattle to Kumamoto takes 00m, covering 5,276 miles.

  • Do I need a passport to fly from Seattle to Kumamoto?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Seattle to Kumamoto changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,049 to $5,982. That means the highest observed fare was about 6x higher than the lowest one.

  • What car rental options are available at Kumamoto Airport (KMJ)?

    Kumamoto Airport (KMJ) hosts 5 major car rental companies, with daily rates averaging $60 for economy cars. Top options include:

    • Budget
    • Nissan Rent-A-Car
    • Avis
    • Nippon Rent-A-Car
    • Suzuki rent a car

  • Which airports can I use when flying from Seattle to Kumamoto?

    Flights from Seattle to Kumamoto usually depart from Seattle/Tacoma Intl (SEA) and arrive at Kumamoto (KMJ).

  • Which airports do connecting flights from Seattle to Kumamoto pass through?

    Most connecting flights from Seattle to Kumamoto pass through Tokyo Haneda (HND), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from Seattle to Kumamoto?

    Yes. Flexible dates can save you up to 36% on flights from Seattle to Kumamoto. Thursday is the cheapest departure day at $791 round-trip on average, while Sunday is the most expensive at $1,219, a difference of $428.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Seattle and Kumamoto?

    Kumamoto is 17 hours ahead of Seattle (Japan Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Seattle to Kumamoto flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Sunday. On this route, Thursday flights average $791, about $428 less than Sunday fares (35% savings) based on the last 12 months.

More options for your flight from Seattle to Kumamoto

Complete your trip to Kumamoto with a hotel stay or car rental