Latest deals
FAQs
Price Alerts

Cheap flights from Oregon to Kumamoto from $1,471

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Kumamoto departing on 9/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Find the cheapest flights from Oregon to Kumamoto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Japan Airlines Logo
7:00 am - 8:55 pm
PDX
-
KMJ
21h 55m
2 stops
Japan Airlines Logo
9:55 am - 1:39 pm
KMJ
-
PDX
19h 44m
2 stops
$1,471Japan Airlines
Sun, Sep 20 - Thu, Sep 24
STARLUX Airlines Logo
5:46 pm - 10:45 am
PDX
-
KMJ
24h 59m
2 stops
STARLUX Airlines Logo
11:55 am - 9:28 pm
KMJ
-
PDX
25h 33m
2 stops
$2,504STARLUX Airlines
Sun, May 31 - Sun, Jun 7

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

momondo 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, momondo users made 832,500 searches. Data last updated April 20, 2026.
Use the filters below to find and compare flights from Oregon to Kumamoto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PortlandKumamoto

PDX - KMJ

PDXKMJ

Portland

Sun 9/20

7:00 am-8:55 pm

2 stops21h 55m

Kumamoto

Thu 9/24

9:55 am-1:39 pm

2 stops19h 44m

$1,471

PortlandKumamoto

PDX - KMJ

PDXKMJ

Portland

Sun 5/31

5:46 pm-10:45 am

2 stops24h 59m

Kumamoto

Sun 6/7

11:55 am-9:28 pm

2 stops25h 33m

$2,504

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Oregon to Kumamoto flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oregon to Kumamoto

Fastest flight time

21h 55m

Direct flights

None
The fastest flight from Oregon to Kumamoto takes 21h 55m
There are no direct flights from Oregon to Kumamoto. There are no popular flight routes from Oregon to Kumamoto.
Search flight deals

Frequently asked questions about flying from Oregon to Kumamoto

  • When did momondo last update prices for flights from Oregon to Kumamoto Airport?

    Prices for flights from Oregon to Kumamoto Airport are updated daily.

  • How old do you have to be to fly from Oregon to Kumamoto Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oregon to Kumamoto Airport.

  • What documentation or ID do you need to fly to Kumamoto Airport?

    The travel and health documents required for your trip to Kumamoto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kumamoto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Oregon to Kumamoto

  • How do I get Price Alerts for flights from Oregon to Kumamoto?

    Price Alerts will notify you by email when the price for flights to Kumamoto from Oregon decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Oregon to Kumamoto with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near Kumamoto?

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

Why use momondo?

Why should I use momondo to find a flight deal from Oregon to Kumamoto?

Finding the right flight to Kumamoto from Oregon is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Kumamoto quick and easy, saving you time and money.

Can I find flights from Oregon to Kumamoto with flexible booking policies on momondo?

momondo does allow users to show only those flights to Kumamoto from Oregon which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Oregon to Kumamoto?

momondo helps you find the best flight between Oregon and Kumamoto by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Oregon to Kumamoto right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Kumamoto from Oregon. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Kumamoto trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 5/20
Wed 5/27
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Japan

Fly your favorite airline to Kumamoto

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Korean Air