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Kumamoto

$750+ Cheap flights from Portland (PDX) to Kumamoto (KMJ)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — KMJ
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap flight deals from Portland to Kumamoto

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Kumamoto (KMJ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 18, 2025.

Round-trip from

$750
(ANA)

Popular in

December

Cheapest in

September

Average price

$1,014
From Portland to Kumamoto
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Portland to Kumamoto

Cheapest flights from Portland to Kumamoto
Explore the most affordable flight options available from Portland to Kumamoto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This ANA deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/55:30 amPDX - KMJ
2 stops23h 25mANA
Tue 10/78:35 pmKMJ - PDX
2 stops34h 07mANA
Deal found 8/16$750
This STARLUX Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1610:00 pmPDX - KMJ
2 stops20h 45mSTARLUX Airlines
Wed 10/2211:55 amKMJ - PDX
2 stops28h 23mSTARLUX Airlines
Deal found 8/16$1,007
This STARLUX Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1710:00 pmPDX - KMJ
2 stops20h 45mSTARLUX Airlines
Wed 10/2211:55 amKMJ - PDX
2 stops26h 50mSTARLUX Airlines
Deal found 8/18$1,082
This STARLUX Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:31 pmPDX - KMJ
2 stops23h 14mSTARLUX Airlines
Thu 10/911:55 amKMJ - PDX
2 stops24h 33mSTARLUX Airlines
Deal found 8/18$8,311

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Kumamoto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 18, 2025.
Use the filters below to find and compare flights from Portland to Kumamoto that are best for you.

Fly from

Portland

Fly to

Kumamoto

Route

Depart

Return

Price

PortlandKumamoto

PDX - KMJ

PDXKMJ

Portland

Sun 10/5

5:30 am-8:55 pm

2 stops23h 25m

Kumamoto

Tue 10/7

8:35 pm-2:42 pm

2 stops34h 07m

$750

PortlandKumamoto

PDX - KMJ

PDXKMJ

Portland

Thu 10/16

10:00 pm-10:45 am

2 stops20h 45m

Kumamoto

Wed 10/22

11:55 am-12:18 am

2 stops28h 23m

$1,007

PortlandKumamoto

PDX - KMJ

PDXKMJ

Portland

Thu 10/2

5:30 am-7:45 pm

2 stops22h 15m

Kumamoto

Thu 10/9

12:20 pm-2:42 pm

2 stops18h 22m

$1,027

PortlandKumamoto

PDX - KMJ

PDXKMJ

Portland

Fri 10/17

10:00 pm-10:45 am

2 stops20h 45m

Kumamoto

Wed 10/22

11:55 am-8:30 pm

2 stops24h 35m

$1,082

PortlandKumamoto

PDX - KMJ

PDXKMJ

Portland

Thu 10/2

7:31 pm-10:45 am

2 stops23h 14m

Kumamoto

Thu 10/9

11:55 am-8:28 pm

2 stops24h 33m

$8,311

PortlandKumamoto

PDX - KMJ

PDXKMJ

Portland

Thu 10/2

7:40 am-8:45 pm

2 stops21h 05m

Kumamoto

Thu 10/9

1:10 pm-6:46 pm

2 stops21h 36m

$8,814

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/15

Best time to book a flight from Portland to Kumamoto

Have a flexible travel schedule? Discover the best time to fly to Kumamoto from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Portland to Kumamoto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portland to Kumamoto?

    ANA and STARLUX Airlines can get you from Portland to Kumamoto in just under 20h 45m. Your travel time can differ by up to 2h 40m. There are 5337 mi between Portland and Kumamoto. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Portland to Kumamoto that include hotel bookings?

    Yes. In addition to deals on Portland to Kumamoto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Kumamoto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Kumamoto.

  • Can I find deals for business class flights from Portland to Kumamoto?

    Yes. Cheapflights offers flight deals from Portland to Kumamoto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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