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).

What cabin classes can I book on flights from Seattle to Kumamoto?

Only Economy Class is available on flights from Seattle to Kumamoto.

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. Other layover airports each see under 5%.

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

Yes. Being flexible with your travel dates can save you up to 36% on the Seattle to Kumamoto route. 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.

How long is a flight from Seattle to Kumamoto?

A nonstop flight from Seattle to Kumamoto takes 0h 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 $930 to $5,376. That means the highest observed fare was about 6x higher than the lowest one.

What is the time difference between Seattle and Kumamoto?

Kumamoto is 16 hours ahead of Seattle (Japan Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

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

Kumamoto Airport (KMJ) hosts 5 major car rental companies, with daily rates starting from around $27 for economy cars. Top options include: • Budget • Nissan Rent-A-Car • Nippon Rent-A-Car • Avis • Hertz

How much should I expect to pay for a Seattle to Kumamoto flight?

Round-trip flights from Seattle to Kumamoto range from $901 to $969, with an average of $901 over the past 12 months. Anything below $901 counts as a good deal.

What is the cheapest airline to fly from Seattle to Kumamoto?

China Airlines ($930) and STARLUX Airlines ($1,176) are the cheapest airlines to fly round-trip from Seattle to Kumamoto according to KAYAK data over the last 5 days.

What is the cheapest layover airport when flying from Seattle to Kumamoto?

Flights via Tokyo Haneda (HND) offer the most affordable fares, with an average round-trip price of $978. Based on KAYAK data over the past 3 months.

When flying from Seattle to Kumamoto which airport offers the shortest layover?

Tokyo Haneda (HND) had the shortest average connection time for Seattle to Kumamoto layovers at 1,429 minutes over the past 3 months.

$930 CHEAP FLIGHTS from Seattle to Kumamoto (SEA - KMJ)

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Cheapest round-trip

$930

Typical prices: $901-$969

China Airlines

Sat 10/20Fri 11/9

SEA - KMJ • 1 stop

Nonstop flights

Not available

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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Flight Deals

Cheap Flights from Seattle to Kumamoto (SEA-KMJ)

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

Round-trip

One-way

Recent round-trip flight deals from Seattle to Kumamoto

Tue, Oct 20 - Mon, Nov 9

1:15 am - 5:40 pmSEA Seattle/Tacoma Intl-KMJ Kumamoto

24h 25m1 stop Taipei City Taiwan Taoyuan Intl

6:35 pm - 6:10 pmKMJ Kumamoto-SEA Seattle/Tacoma Intl

16h 35m1 stop Taipei City Taiwan Taoyuan Intl

$930China Airlines

Tue, Oct 20 - Mon, Nov 9

1:15 am - 5:40 pmSEA Seattle/Tacoma Intl-KMJ Kumamoto

24h 25m1 stop Taipei City Taiwan Taoyuan Intl

6:35 pm - 6:10 pmKMJ Kumamoto-SEA Seattle/Tacoma Intl

16h 35m1 stop Taipei City Taiwan Taoyuan Intl

$966China Airlines

Wed, Oct 21 - Mon, Nov 9

11:33 am - 5:40 pmSEA Seattle/Tacoma Intl-KMJ Kumamoto

38h 07m2 stops Los Angeles Taipei City Taiwan Taoyuan Intl

6:35 pm - 6:10 pmKMJ Kumamoto-SEA Seattle/Tacoma Intl

16h 35m1 stop Taipei City Taiwan Taoyuan Intl

$1,094China Airlines

Wed, Oct 21 - Mon, Nov 9

11:33 am - 5:40 pmSEA Seattle/Tacoma Intl-KMJ Kumamoto

38h 07m2 stops Los Angeles Taipei City Taiwan Taoyuan Intl

6:35 pm - 6:10 pmKMJ Kumamoto-SEA Seattle/Tacoma Intl

16h 35m1 stop Taipei City Taiwan Taoyuan Intl

$1,123China Airlines

Mon, Feb 8 - Thu, Feb 11

7:00 am - 8:25 amSEA Seattle/Tacoma Intl-KMJ Kumamoto

32h 25m2 stops Honolulu Tokyo Haneda

5:35 pm - 9:19 pmKMJ Kumamoto-SEA Seattle/Tacoma Intl

20h 44m2 stops Tokyo Haneda Honolulu

$1,150Multiple Airlines

Mon, Feb 8 - Thu, Feb 11

7:00 am - 8:50 pmSEA Seattle/Tacoma Intl-KMJ Kumamoto

20h 50m2 stops Honolulu Tokyo Haneda

5:35 pm - 9:19 pmKMJ Kumamoto-SEA Seattle/Tacoma Intl

20h 44m2 stops Tokyo Haneda Honolulu

$1,151Multiple Airlines

Mon, Feb 8 - Thu, Feb 11

11:45 pm - 10:35 amSEA Seattle/Tacoma Intl-KMJ Kumamoto

17h 50m1 stop Taipei City Taiwan Taoyuan Intl

11:45 am - 3:05 pmKMJ Kumamoto-SEA Seattle/Tacoma Intl

20h 20m1 stop Taipei City Taiwan Taoyuan Intl

$1,176STARLUX Airlines

Mon, Feb 8 - Thu, Feb 11

7:10 am - 8:50 pmSEA Seattle/Tacoma Intl-KMJ Kumamoto

20h 40m2 stops Los Angeles Tokyo Haneda

10:20 am - 10:05 amKMJ Kumamoto-SEA Seattle/Tacoma Intl

16h 45m1 stop Tokyo Narita

$1,190Japan Airlines

Wed, Oct 21 - Mon, Nov 9

4:30 pm - 2:45 pmSEA Seattle/Tacoma Intl-KMJ Kumamoto

30h 15m2 stops Tokyo Haneda Osaka Itami

6:10 pm - 8:47 pmKMJ Kumamoto-SEA Seattle/Tacoma Intl

43h 37m2 stops Tokyo Haneda San Francisco

$1,250ANA

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 from Seattle to Kumamoto with more confidence.

Prices

Airlines

Layovers

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

Round-trip flights from Seattle to Kumamoto start at $930. Prices are typical for this route right now, with typical round-trip fares ranging from $901 to $969. The lowest price found in the past 5 days was $930 on China Airlines.

Find deals

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

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

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).
What cabin classes can I book on flights from Seattle to Kumamoto?
Only Economy Class is available on flights from Seattle to Kumamoto.
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. Other layover airports each see under 5%.
Can I save money by using flexible dates for flights from Seattle to Kumamoto?
Yes. Being flexible with your travel dates can save you up to 36% on the Seattle to Kumamoto route. 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.
How long is a flight from Seattle to Kumamoto?
A nonstop flight from Seattle to Kumamoto takes 0h 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 $930 to $5,376. That means the highest observed fare was about 6x higher than the lowest one.
What is the time difference between Seattle and Kumamoto?
Kumamoto is 16 hours ahead of Seattle (Japan Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Kumamoto Airport (KMJ)?
Kumamoto Airport (KMJ) hosts 5 major car rental companies, with daily rates starting from around $27 for economy cars. Top options include:
• Budget
• Nissan Rent-A-Car
• Nippon Rent-A-Car
• Avis
• Hertz
How much should I expect to pay for a Seattle to Kumamoto flight?
Round-trip flights from Seattle to Kumamoto range from $901 to $969, with an average of $901 over the past 12 months. Anything below $901 counts as a good deal.

If your dates can be flexible, aim for a Thursday departure instead of Sunday. On this route, Thursday flights average $791 - about $428 less than Sunday (35% savings) based on the last 12 months.

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SEA - KMJ

$930 Find Cheap Flights from Seattle to Kumamoto - Compare and Save

Everything you should know

Cheap Flights from Seattle to Kumamoto (SEA-KMJ)

Recent round-trip flight deals from Seattle to Kumamoto

Recent one-way flight deals from Seattle to Kumamoto

Price, demand and travel trends for Seattle to Kumamoto flights

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

What is the cheapest airline to fly from Seattle to Kumamoto?

What is the cheapest layover airport when flying from Seattle to Kumamoto?

When flying from Seattle to Kumamoto which airport offers the shortest layover?

When to book flights from Seattle to Kumamoto

Your Seattle to Kumamoto flight questions, answered

Your guide to booking Seattle to Kumamoto flights

More options for your flight from Seattle to Kumamoto

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

Information on your arrival and departure airports

Cabin class types available on flights from Seattle to Kumamoto

Find direct flights to and from Seattle and Kumamoto

Flights from domestic origins to Kumamoto

Flights to other popular destinations