What is the cheapest airline that flies from Portland to Japan?

Air Canada, ANA, and United Airlines are the most popular carriers operating from Portland to Japan

What airlines fly to Japan?

ANA, Delta and United Airlines are the top three most popular airlines that fly to Japan from Portland according to our data. ANA is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Japan. Keep in mind that there are 9 different airlines that fly to Japan on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Portland Airport to Japan?

Prices for flights from Portland Airport to Japan refresh daily.

How many operators does momondo search for flights from Portland Airport to Japan?

As of July 2026, there are 9 operators available to choose from for flights from Portland Airport to Japan.

How old do you have to be to fly from Portland Airport to Japan?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Japan.

What documentation or ID do you need to fly to Japan?

The travel and health documents you'll need for your trip to Japan may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Japan. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$298 Cheap Flights from Portland to Japan in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Japan

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:10 am - 4:25 pm

PDX

KIX

14h 15m

1 stop

6:00 pm - 2:46 pm

KIX

PDX

12h 46m

1 stop

$908Air Canada

Mon, Sep 14 - Mon, Sep 28

7:05 am - 7:45 pm

PDX

NGO

19h 40m

2 stops

2:30 pm - 1:14 pm

NGO

PDX

15h 44m

2 stops

$920Multiple Airlines

Tue, Nov 3 - Tue, Nov 17

7:00 am - 7:25 am

PDX

ITM

32h 25m

2 stops

2:00 pm - 2:47 pm

ITM

PDX

16h 47m

2 stops

$1,205ANA

Sun, Aug 23 - Wed, Aug 26

8:35 am - 5:20 pm

PDX

OKA

40h 45m

2 stops

9:00 pm - 2:47 pm

OKA

PDX

33h 47m

2 stops

$1,209ANA

Mon, Jul 27 - Thu, Aug 20

7:00 am - 10:50 pm

PDX

OKA

47h 50m

2 stops

11:00 am - 2:27 pm

OKA

PDX

19h 27m

2 stops

$1,255United Airlines

Sun, Oct 11 - Thu, Oct 15

9:29 am - 8:00 pm

PDX

FUK

18h 31m

2 stops

10:35 am - 2:41 pm

FUK

PDX

20h 06m

2 stops

$1,255Korean Air

Tue, Sep 1 - Thu, Sep 17

9:00 am - 10:50 pm

PDX

OKA

45h 50m

2 stops

11:00 am - 10:57 pm

OKA

PDX

27h 57m

2 stops

$1,287United Airlines

Sun, Oct 11 - Sat, Oct 17

5:35 pm - 10:55 am

PDX

UKB

25h 20m

2 stops

11:55 am - 5:14 pm

UKB

PDX

21h 19m

2 stops

$1,295Korean Air

Thu, Aug 27 - Thu, Sep 3

5:41 pm - 10:30 am

PDX

UKB

24h 49m

2 stops

12:45 pm - 7:50 pm

UKB

PDX

23h 05m

2 stops

$1,313STARLUX Airlines

Sun, Aug 23 - Sun, Aug 30

9:32 pm - 10:30 am

PDX

UKB

20h 58m

2 stops

11:40 am - 7:50 pm

UKB

PDX

24h 10m

2 stops

$1,330STARLUX Airlines

Thu, Aug 27 - Tue, Sep 8

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Korean Air flights from Portland to Japan

Our best Korean Air deals on Portland to Japan flight tickets

Korean Air

Sep 1

PDX9:29 amPortland

18h 31m

2 stops

FUK8:00 pmFukuoka

Sep 17

FUK10:35 amFukuoka

20h 06m

2 stops

PDX2:41 pmPortland

$1,255

Korean Air

Aug 27

PDX5:35 pmPortland

25h 20m

2 stops

UKB10:55 amKobe

Sep 3

UKB11:55 amKobe

21h 19m

2 stops

PDX5:14 pmPortland

$1,295

Korean Air

Oct 12

PDX9:31 amPortland

34h 19m

2 stops

OKA11:50 amOkinawa Naha

Oct 26

OKA6:05 pmOkinawa Naha

38h 59m

2 stops

PDX5:04 pmPortland

$1,306

United Airlines flights from Portland to Japan

Our best United Airlines deals on Portland to Japan flight tickets

United Airlines

Jul 28

PDX5:15 amPortland

17h 50m

2 stops

HND3:05 pmTokyo Haneda

Aug 13

HND3:50 pmTokyo Haneda

18h 29m

1 stop

PDX6:19 pmPortland

$1,210

United Airlines

Jul 15

PDX5:15 amPortland

23h 45m

2 stops

HND9:00 pmTokyo Haneda

Jul 17

HND3:50 pmTokyo Haneda

21h 04m

1 stop

PDX8:54 pmPortland

$1,213

United Airlines

Jul 20

PDX5:15 amPortland

16h 40m

1 stop

HND1:55 pmTokyo Haneda

Aug 4

HND9:55 pmTokyo Haneda

28h 25m

2 stops

PDX10:20 amPortland

$1,215

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Mon 9/14

10:10 am-4:25 pm

1 stop14h 15m

Osaka Kansai Intl

Mon 9/28

6:00 pm-2:46 pm

1 stop12h 46m

$908

PortlandNagoya

PDX - NGO

PDXNGO

Portland

Tue 11/3

7:05 am-7:45 pm

2 stops19h 40m

Nagoya Chubu Centrair Intl

Tue 11/17

2:30 pm-1:14 pm

2 stops15h 44m

$920

PortlandOsaka

PDX - ITM

PDXITM

Portland

Sun 8/23

7:00 am-7:25 am

2 stops32h 25m

Osaka Itami

Wed 8/26

2:00 pm-2:47 pm

2 stops16h 47m

$1,205

PortlandOkinawa

PDX - OKA

PDXOKA

Portland

Mon 7/27

8:35 am-5:20 pm

2 stops40h 45m

Okinawa Naha

Thu 8/20

9:00 pm-2:47 pm

2 stops33h 47m

$1,209

PortlandOkinawa

PDX - OKA

PDXOKA

Portland

Sun 10/11

7:00 am-10:50 pm

2 stops47h 50m

Okinawa Naha

Thu 10/15

11:00 am-2:27 pm

2 stops19h 27m

$1,255

PortlandFukuoka

PDX - FUK

PDXFUK

Portland

Tue 9/1

9:29 am-8:00 pm

2 stops18h 31m

Fukuoka

Thu 9/17

10:35 am-2:41 pm

2 stops20h 06m

$1,255

PortlandOkinawa

PDX - OKA

PDXOKA

Portland

Sun 10/11

9:00 am-10:50 pm

2 stops45h 50m

Okinawa Naha

Sat 10/17

11:00 am-10:57 pm

2 stops27h 57m

$1,287

PortlandKobe

PDX - UKB

PDXUKB

Portland

Thu 8/27

5:35 pm-10:55 am

2 stops25h 20m

Kobe

Thu 9/3

11:55 am-5:14 pm

2 stops21h 19m

$1,295

PortlandKobe

PDX - UKB

PDXUKB

Portland

Sun 8/23

5:41 pm-10:30 am

2 stops24h 49m

Kobe

Sun 8/30

12:45 pm-7:50 pm

2 stops23h 05m

$1,313

PortlandKobe

PDX - UKB

PDXUKB

Portland

Thu 8/27

9:32 pm-10:30 am

2 stops20h 58m

Kobe

Tue 9/8

11:40 am-7:50 pm

2 stops24h 10m

$1,330

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portland to Japan

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Japan?

The month of August is, on average, the cheapest month to fly to Japan from Portland, with most prices found around $237. If you aren’t able to travel to Japan during the month of August, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $500.

How far in advance should I book a flight from Portland to Japan?

You are more likely to see cheaper flights to Japan from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Japan for around $945 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Japan from Portland for as low as $909 on momondo.

Can stopping save me money on Portland to Japan flights?

You could potentially save up to 12% on your flight if you consider stops on a Portland to Japan flight.

Cheap Portland to Japan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Japan

Fastest flight time	12h 45m
Direct flights	None

The fastest flight from Portland to Japan takes 12h 45m

There are no direct flights from Portland to Japan. There are no popular flight routes from Portland to Japan.

Search flight deals

Frequently asked questions about flying from Portland to Japan

When did momondo last update prices for flights from Portland Airport to Japan?
Prices for flights from Portland Airport to Japan refresh daily.
How many operators does momondo search for flights from Portland Airport to Japan?
As of July 2026, there are 9 operators available to choose from for flights from Portland Airport to Japan.
How old do you have to be to fly from Portland Airport to Japan?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Japan.
What documentation or ID do you need to fly to Japan?
The travel and health documents you'll need for your trip to Japan may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Japan. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Portland to Japan

Compare and see reviews for airlines that fly from Portland to Japan with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $446	Free Cancellation	Rating 7.9 12,655 reviews	Search Alaska Airlines flights
Hawaiian Airlines	PriceFrom $455	Free Cancellation	Rating 7.8 2,824 reviews	Search Hawaiian Airlines flights
Korean Air	PriceFrom $534	Free Cancellation	Rating 8.4 1,222 reviews	Search Korean Air flights
Japan Airlines	PriceFrom $618	Free Cancellation	Rating 8.3 1,873 reviews	Search Japan Airlines flights
Air Canada	PriceFrom $629	Free Cancellation	Rating 7.1 11,336 reviews	Search Air Canada flights
ANA	PriceFrom $631	Free Cancellation	Rating 8.3 1,271 reviews	Search ANA flights
United Airlines	PriceFrom $655	Free Cancellation	Rating 7.4 9,991 reviews	Search United Airlines flights
Delta	PriceFrom $686	Free Cancellation	Rating 7.8 8,467 reviews	Search Delta flights
American Airlines	PriceFrom $729	Free Cancellation	Rating 7.1 11,808 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Japan?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Japan. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Portland to Japan with flexible booking policies on momondo?

Flights from Portland to Japan with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Portland to Japan?

momondo provides multiple filters to help you find the best flight to Japan from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Japan from Portland. 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.