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

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

What airlines fly to Japan?

ANA, United Airlines and Japan 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 30% 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 April 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.

$349 Cheap Flights from Portland to Japan in 2026

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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 - 7:06 pm

KIX

PDX

17h 06m

1 stop

$728Air Canada

mån, aug 31 - mån, sep 14

3:30 pm - 4:25 pm

PDX

KIX

32h 55m

1 stop

6:00 pm - 9:31 am

KIX

PDX

31h 31m

1 stop

$774Air Canada

sön, aug 30 - mån, sep 14

10:10 am - 7:35 pm

PDX

CTS

17h 25m

2 stops

1:40 pm - 7:06 pm

CTS

PDX

21h 26m

2 stops

$794ANA

tis, sep 8 - tors, sep 24

6:54 am - 5:05 pm

PDX

ITM

18h 11m

2 stops

12:50 pm - 2:47 pm

ITM

PDX

17h 57m

2 stops

$794ANA

ons, sep 2 - tis, sep 8

7:00 am - 5:35 pm

PDX

ITM

18h 35m

2 stops

2:35 pm - 4:50 pm

ITM

PDX

18h 15m

2 stops

$800Japan Airlines

ons, sep 9 - tis, sep 15

7:00 am - 2:50 pm

PDX

KIX

15h 50m

1 stop

4:55 pm - 12:47 am

KIX

PDX

23h 52m

1 stop

$806United Airlines

sön, aug 9 - tis, sep 1

7:00 am - 2:50 pm

PDX

KIX

15h 50m

1 stop

9:20 am - 6:11 pm

KIX

PDX

24h 51m

2 stops

$808United Airlines

sön, aug 9 - ons, sep 2

5:50 pm - 5:35 pm

PDX

ITM

31h 45m

2 stops

2:35 pm - 4:50 pm

ITM

PDX

18h 15m

2 stops

$811Japan Airlines

tis, sep 1 - ons, sep 16

11:10 am - 9:05 pm

PDX

NRT

17h 55m

2 stops

8:55 pm - 4:33 pm

NRT

PDX

35h 38m

2 stops

$817Delta

sön, aug 30 - mån, sep 14

5:45 pm - 9:05 pm

PDX

NRT

35h 20m

2 stops

8:55 pm - 4:33 pm

NRT

PDX

35h 38m

2 stops

$823Delta

lör, aug 29 - ons, sep 9

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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

PDX6:30 amPortland

34h 55m

2 stops

FUK9:25 amFukuoka

Sep 14

FUK9:05 pmFukuoka

35h 05m

2 stops

PDX4:10 pmPortland

$818

Korean Air

Sep 9

PDX9:40 amPortland

37h 55m

2 stops

NRT3:35 pmTokyo Narita

Sep 14

NRT7:00 pmTokyo Narita

37h 10m

2 stops

PDX4:10 pmPortland

$822

Korean Air

Sep 1

PDX6:30 amPortland

24h 20m

2 stops

HND10:50 pmTokyo Haneda

Sep 8

HND2:00 amTokyo Haneda

27h 17m

2 stops

PDX1:17 pmPortland

$823

Cathay Pacific flights from Portland to Japan

Our best Cathay Pacific deals on Portland to Japan flight tickets

Cathay Pacific

Jun 1

PDX9:46 pmPortland

47h 59m

2 stops

FUK1:45 pmFukuoka

Jun 15

FUK2:00 pmFukuoka

35h 02m

2 stops

PDX9:02 amPortland

$1,436

Cathay Pacific

Apr 29

PDX5:49 pmPortland

29h 01m

3 stops

KIX2:50 pmOsaka Kansai Intl

May 3

KIX4:15 pmOsaka Kansai Intl

40h 34m

3 stops

PDX4:49 pmPortland

$1,794

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PortlandOsaka

PDX - KIX

PDXKIX

Portland

mån 8/31

10:10 am-4:25 pm

1 stop14h 15m

Osaka Kansai Intl

mån 9/14

6:00 pm-7:06 pm

1 stop17h 06m

$728

PortlandOsaka

PDX - KIX

PDXKIX

Portland

sön 8/30

3:30 pm-4:25 pm

1 stop32h 55m

Osaka Kansai Intl

mån 9/14

6:00 pm-9:31 am

1 stop31h 31m

$774

PortlandSapporo

PDX - CTS

PDXCTS

Portland

tis 9/8

10:10 am-7:35 pm

2 stops17h 25m

Sapporo Chitose

tors 9/24

1:40 pm-7:06 pm

2 stops21h 26m

$794

PortlandOsaka

PDX - ITM

PDXITM

Portland

ons 9/2

6:54 am-5:05 pm

2 stops18h 11m

Osaka Itami

tis 9/8

12:50 pm-2:47 pm

2 stops17h 57m

$794

PortlandOsaka

PDX - ITM

PDXITM

Portland

ons 9/9

7:00 am-5:35 pm

2 stops18h 35m

Osaka Itami

tis 9/15

2:35 pm-4:50 pm

2 stops18h 15m

$800

PortlandOsaka

PDX - KIX

PDXKIX

Portland

sön 8/9

7:00 am-2:50 pm

1 stop15h 50m

Osaka Kansai Intl

tis 9/1

4:55 pm-12:47 am

1 stop23h 52m

$806

PortlandOsaka

PDX - KIX

PDXKIX

Portland

sön 8/9

7:00 am-2:50 pm

1 stop15h 50m

Osaka Kansai Intl

ons 9/2

9:20 am-6:11 pm

2 stops24h 51m

$808

PortlandOsaka

PDX - ITM

PDXITM

Portland

tis 9/1

5:50 pm-5:35 pm

2 stops31h 45m

Osaka Itami

ons 9/16

2:35 pm-4:50 pm

2 stops18h 15m

$811

PortlandTokyo

PDX - NRT

PDXNRT

Portland

sön 8/30

11:10 am-9:05 pm

2 stops17h 55m

Tokyo Narita

mån 9/14

8:55 pm-4:33 pm

2 stops35h 38m

$817

PortlandTokyo

PDX - NRT

PDXNRT

Portland

lör 8/29

5:45 pm-9:05 pm

2 stops35h 20m

Tokyo Narita

ons 9/9

8:55 pm-4:33 pm

2 stops35h 38m

$823

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 $259. 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 $392.

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 $926 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 $708 on momondo.

Can stopping save me money on Portland to Japan flights?

You could potentially save up to 7% 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	14h 40m
Direct flights	None

The fastest flight from Portland to Japan takes 14h 40m

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 April 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 12,301 reviews	Search Alaska Airlines flights
Hawaiian Airlines	PriceFrom $455	Free Cancellation	Rating 7.8 2,837 reviews	Search Hawaiian Airlines flights
Korean Air	PriceFrom $534	Free Cancellation	Rating 8.4 1,213 reviews	Search Korean Air flights
Japan Airlines	PriceFrom $618	Free Cancellation	Rating 8.3 1,792 reviews	Search Japan Airlines flights
Air Canada	PriceFrom $627	Free Cancellation	Rating 7.1 10,974 reviews	Search Air Canada flights
ANA	PriceFrom $631	Free Cancellation	Rating 8.4 1,197 reviews	Search ANA flights
United Airlines	PriceFrom $655	Free Cancellation	Rating 7.4 9,671 reviews	Search United Airlines flights
Delta	PriceFrom $686	Free Cancellation	Rating 7.9 8,463 reviews	Search Delta flights
American Airlines	PriceFrom $696	Free Cancellation	Rating 7.1 11,670 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.