HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Kumamoto

$896+ Cheap flights from Oregon 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
Jul 1 — Jul 81
Tue 7/1
Tue 7/8
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oregon to Kumamoto with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Oregon to Kumamoto

Cheapest flights from Oregon to Kumamoto
Explore the most affordable flight options available from Oregon to Kumamoto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2025.

This Japan Airlines deal was found by Cheapflights users on 6/24. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/57:00 amPDX - KMJ
2 stops20h 20mJapan Airlines
Tue 10/78:55 amKMJ - PDX
2 stops23h 55mJapan Airlines
Deal found 6/24$896
This STARLUX Airlines deal was found by Cheapflights users on 6/25. 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 stops24h 35mSTARLUX Airlines
Deal found 6/25$1,077

Cheapflights Fare Finder

Customize your flight search to find flights from Oregon 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 June 26, 2025.
Use the filters below to find and compare flights from Oregon to Kumamoto that are best for you.

Fly from

Oregon

Fly to

Kumamoto

Route

Depart

Return

Price

PortlandKumamoto

PDX - KMJ

PDXKMJ

Portland

Sun 10/5

7:00 am-7:20 pm

2 stops20h 20m

Kumamoto

Tue 10/7

8:55 am-4:50 pm

2 stops23h 55m

$896

PortlandKumamoto

PDX - KMJ

PDXKMJ

Portland

Thu 10/16

10:00 pm-10:45 am

2 stops20h 45m

Kumamoto

Wed 10/22

11:55 am-8:30 pm

2 stops24h 35m

$1,077

PortlandKumamoto

PDX - KMJ

PDXKMJ

Portland

Fri 8/8

9:59 pm-10:45 am

2 stops20h 46m

$4,214

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Best time to book a flight from Oregon to Kumamoto

Have a flexible travel schedule? Discover the best time to fly to Kumamoto from Oregon 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.

Cheapflights Insights

Everything you need to know about your flight from Oregon to Kumamoto

Rainfall in Kumamoto by month

Plan your trip to Kumamoto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kumamoto ranges from 2.0 - 14.2 inches per month. June is typically the wettest month, when rainfall can reach 14.2 in. December is typically the driest time to visit Kumamoto when rainfall is around 2.0 in.

Temperature in Kumamoto by month

Plan your trip to Kumamoto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kumamoto, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Kumamoto

Get insights into the airlines that provide service to Kumamoto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kumamoto. Reviews last updated June 26, 2025.
Peruse reviews from past customers who have flown with STARLUX Airlines from Oregon to Kumamoto to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
185 reviews

Crew

9.3

Comfort

9.0

Boarding

9.1

Entertainment

9.0

Overall

9.1

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful
185 reviews
STARLUX Airlines
9.1
Wonderful
185 reviews

Crew

9.3

Comfort

9.0

Boarding

9.1

Entertainment

9.0

Overall

9.1

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Related info for your journey

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

  • What airport do you fly into for flights to Kumamoto from Oregon?

    Located just 9.7 mi from the city center, Kumamoto (KMJ) is the airport most travelers will use when flying to Kumamoto from Oregon.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Oregon 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

Traveling to a place near Oregon?

Book flights to Oregon if you plan to visit one of these locations
Aso

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.