$174 Cheap Flights from Kumamoto (KMJ) to Bangkok (BKK)

View $174 flight on Thu, Dec 4, 2025Opens in a new window

Popular airlines from Kumamoto Airport (KMJ) to Suvarnabhumi Intl. Airport (BKK)

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Cheap Flights from Kumamoto to Bangkok (KMJ-BKK)

Prices were available within the past 7 days and start at $174 for one-way flights and $485 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Airlines
Wed, Mar 25 - Sat, Mar 28
KMJ
Kumamoto
BKK
Bangkok
$485 Roundtrip, found 6 days ago
$485
Roundtrip
found 6 days ago
Select China Airlines flight, departing Wed, Mar 25 from Kumamoto to Bangkok, returning Sat, Mar 28, priced at $485 found 6 days ago
China Airlines
Wed, Oct 15 - Sun, Oct 19
KMJ
Kumamoto
BKK
Bangkok
$501 Roundtrip, found 6 days ago
$501
Roundtrip
found 6 days ago
Select China Airlines flight, departing Wed, Oct 15 from Kumamoto to Bangkok, returning Sun, Oct 19, priced at $501 found 6 days ago
China Airlines
Wed, Oct 15 - Sun, Oct 19
KMJ
Kumamoto
BKK
Bangkok
$538 Roundtrip, found 6 days ago
$538
Roundtrip
found 6 days ago
Select China Airlines flight, departing Wed, Oct 15 from Kumamoto to Bangkok, returning Sun, Oct 19, priced at $538 found 6 days ago
STARLUX Airlines
Wed, Mar 25 - Sat, Mar 28
KMJ
Kumamoto
BKK
Bangkok
$539 Roundtrip, found 6 days ago
$539
Roundtrip
found 6 days ago
Select STARLUX Airlines flight, departing Wed, Mar 25 from Kumamoto to Bangkok, returning Sat, Mar 28, priced at $539 found 6 days ago
STARLUX Airlines
Wed, Mar 25 - Sat, Mar 28
KMJ
Kumamoto
BKK
Bangkok
$579 Roundtrip, found 6 days ago
$579
Roundtrip
found 6 days ago
Select STARLUX Airlines flight, departing Wed, Mar 25 from Kumamoto to Bangkok, returning Sat, Mar 28, priced at $579 found 6 days ago
STARLUX Airlines
Wed, Mar 25 - Sat, Mar 28
KMJ
Kumamoto
BKK
Bangkok
$582 Roundtrip, found 6 days ago
$582
Roundtrip
found 6 days ago
Select STARLUX Airlines flight, departing Wed, Mar 25 from Kumamoto to Bangkok, returning Sat, Mar 28, priced at $582 found 6 days ago
STARLUX Airlines
Wed, Mar 25 - Sat, Mar 28
KMJ
Kumamoto
BKK
Bangkok
$639 Roundtrip, found 6 days ago
$639
Roundtrip
found 6 days ago
Select STARLUX Airlines flight, departing Wed, Mar 25 from Kumamoto to Bangkok, returning Sat, Mar 28, priced at $639 found 6 days ago
China Airlines
Wed, Oct 15 - Sun, Oct 19
KMJ
Kumamoto
BKK
Bangkok
$649 Roundtrip, found 6 days ago
$649
Roundtrip
found 6 days ago
Select China Airlines flight, departing Wed, Oct 15 from Kumamoto to Bangkok, returning Sun, Oct 19, priced at $649 found 6 days ago
Japan Airlines
Wed, Oct 15 - Sun, Oct 19
KMJ
Kumamoto
BKK
Bangkok
$660 Roundtrip, found 6 days ago
$660
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Wed, Oct 15 from Kumamoto to Bangkok, returning Sun, Oct 19, priced at $660 found 6 days ago
All Nippon Airways
Wed, Mar 25 - Sat, Mar 28
KMJ
Kumamoto
BKK
Bangkok
$933 Roundtrip, found 6 days ago
$933
Roundtrip
found 6 days ago
Select All Nippon Airways flight, departing Wed, Mar 25 from Kumamoto to Bangkok, returning Sat, Mar 28, priced at $933 found 6 days ago
Flights from Kumamoto (KMJ) to Bangkok (BKK)
Origin airport
Kumamoto
Destination airport
Suvarnabhumi Intl.
Roundtrip price
$484
Distance
2309 mi

Kumamoto to Bangkok Flights

The cheapest times to fly from Kumamoto to Bangkok

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kumamoto to Bangkok are during the month of March. You can find some of the cheapest flights from Kumamoto to Bangkok with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kumamoto to Bangkok

Sunday is one of the best days to book for cheap flights from Kumamoto to Bangkok: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Kumamoto to Bangkok

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kumamoto to Bangkok in 2025. You can also book with separate airlines for your outbound and return journeys, from $174 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kumamoto to Bangkok flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kumamoto to Bangkok airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Kumamoto Airport (KMJ) to Suvarnabhumi Intl. Airport (BKK) cost?
Grab a cheap one-way flight from $174 or cheap return flight from $485 from Kumamoto Airport (KMJ) to Suvarnabhumi Intl. Airport (BKK) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Kumamoto Airport (KMJ) to Suvarnabhumi Intl. Airport (BKK)?
March is the most affordable month to fly from KMJ to BKK. Planning your trip for the off-season is often the key to scoring lower fares.
Which airlines fly direct from Kumamoto Airport (KMJ) to Suvarnabhumi Intl. Airport (BKK)?
You can't catch a nonstop flight to Suvarnabhumi Intl. Airport (BKK) from Kumamoto (KMJ). However, you can seamlessly travel to Bangkok without any layovers by taking off from Fukuoka Airport (FUK).
What is the cheapest airline that flies from Kumamoto Airport (KMJ) to Suvarnabhumi Intl. Airport (BKK)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest KMJ to BKK flight.
How many flights per day from Kumamoto Airport (KMJ) to Suvarnabhumi Intl. Airport (BKK)?
There aren't any daily direct flights from Kumamoto Airport (KMJ) to Suvarnabhumi Intl. Airport (BKK). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from KMJ to BKK?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kumamoto Airport (KMJ) to Suvarnabhumi Intl. Airport (BKK)?
To avoid possible delays on the Kumamoto Airport (KMJ) to Suvarnabhumi Intl. Airport (BKK) route, travel before 3 PM. Later departures have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Kumamoto Airport (KMJ) to Suvarnabhumi Intl. Airport (BKK) last-minute?
Holding off until just before your departure to book a ticket from KMJ to BKK often results in higher prices. Although you may find some last-minute discounts, there's no guarantee. Be flexible with your itinerary for the best chance of landing a bargain.
Is it cheaper to book a KMJ to BKK flight and hotel package?
Compared with arranging flights and hotels separately, booking a KMJ to BKK flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place will take the stress out of travel planning. Simply secure your flights and choose from our wide range of hotels, then tailor your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Kumamoto Airport (KMJ) to Suvarnabhumi Intl. Airport (BKK)?
Usually, it's possible to reschedule or cancel your KMJ to BKK flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.