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$399+ Cheap flights from Portland (PDX) to Osaka (OSA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — OSA
May 17 — May 241
Sat 5/17
Sat 5/24
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Osaka are usually found in September or February, booked 21 days in advance, depart on a Sunday or Thursday and return on a Thursday

Cheap flight deals from Portland to Osaka

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Osaka (OSA). 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 May 12, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$687
(Expedia)

One-way from

$399
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$988
Provider with most accurate pricing for Portland-Osaka (OSA) flight deals.
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Provider most trusted by Cheapflights users for Portland-Osaka (OSA) flights.
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From Portland to Osaka (OSA)
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One-way flight from Portland to Osaka (OSA)
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Highest demand for flights based on searches. 0% potential increase in price ($7 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Portland to Osaka

Cheapest flights from Portland to Osaka
Explore the most affordable flight options available from Portland to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 12, 2025.

This Expedia deal was found by Cheapflights users on 5/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/85:10 pmPDX - UKB
2 stops24h 50mKorean Air
Wed 9/2411:00 amUKB - PDX
2 stops18h 19mKorean Air
Deal found 5/12$687
This Cheapflightsfares deal was found by Cheapflights users on 5/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/307:45 amPDX - KIX
1 stop15h 05mANA
Sun 9/74:50 pmKIX - PDX
1 stop17h 42mANA
Deal found 5/12$688
This FlightHub deal was found by Cheapflights users on 5/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/97:45 amPDX - ITM
2 stops20h 30mANA
Tue 9/1610:00 amITM - PDX
2 stops20h 42mANA
Deal found 5/12$693
This United Airlines deal was found by Cheapflights users on 5/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/105:45 amPDX - KIX
1 stop17h 50mUnited Airlines
Thu 11/206:30 pmKIX - PDX
1 stop21h 44mUnited Airlines
Deal found 5/12$701
This Korean Air deal was found by Cheapflights users on 5/12. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/155:10 pmPDX - KIX
2 stops24h 35mKorean Air
Tue 11/189:15 amKIX - PDX
2 stops21h 04mKorean Air
Deal found 5/12$705
This United Airlines deal was found by Cheapflights users on 5/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/77:45 amPDX - ITM
2 stops17h 20mUnited Airlines
Sat 9/2712:00 pmITM - PDX
2 stops16h 43mUnited Airlines
Deal found 5/11$707
This Delta deal was found by Cheapflights users on 5/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/95:30 amPDX - KIX
2 stops23h 30mDelta
Tue 9/1612:35 pmKIX - PDX
2 stops27h 16mDelta
Deal found 5/12$715
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/157:10 amPDX - KIX
1 stop18h 35mAlaska Airlines
Thu 11/208:45 pmKIX - PDX
1 stop26h 15mAlaska Airlines
Deal found 5/12$718
This ANA deal was found by Cheapflights users on 5/12. 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 8/317:45 amPDX - KIX
1 stop15h 05mMultiple Airlines
Sat 9/135:30 pmKIX - PDX
2 stops19h 07mMultiple Airlines
Deal found 5/12$719
This KAYAK deal was found by Cheapflights users on 5/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/55:30 amPDX - UKB
2 stops34h 20mANA
Tue 10/149:15 pmUKB - PDX
2 stops33h 28mANA
Deal found 5/11$733
This Air Canada deal was found by Cheapflights users on 5/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/316:15 amPDX - KIX
1 stop18h 10mAir Canada
Sat 9/136:05 pmKIX - PDX
1 stop12h 41mAir Canada
Deal found 5/12$765
This Hawaiian Airlines deal was found by Cheapflights users on 5/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3110:55 amPDX - KIX
1 stop15h 50mHawaiian Airlines
Sun 11/98:45 pmKIX - PDX
1 stop16h 50mHawaiian Airlines
Deal found 5/10$847

Cheapflights Fare Finder

Customize your flight search to find flights from Portland to Osaka 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 May 12, 2025.
Use the filters below to find and compare flights from Portland to Osaka that are best for you.

Fly from

Portland

Fly to

Osaka

Route

Depart

Return

Price

PortlandKobe

PDX - UKB

PDXUKB

Portland

Mon 9/8

5:10 pm-10:00 am

2 stops24h 50m

Kobe

Wed 9/24

11:00 am-1:19 pm

2 stops18h 19m

$687

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Sat 8/30

7:45 am-2:50 pm

1 stop15h 05m

Osaka Kansai Intl

Sun 9/7

4:50 pm-6:32 pm

1 stop17h 42m

$688

PortlandOsaka

PDX - ITM

PDXITM

Portland

Tue 9/9

7:45 am-8:15 pm

2 stops20h 30m

Osaka Itami

Tue 9/16

10:00 am-2:42 pm

2 stops20h 42m

$693

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Mon 10/6

5:30 am-2:50 pm

1 stop17h 20m

Osaka Kansai Intl

Wed 10/15

4:50 pm-8:41 pm

1 stop19h 51m

$701

PortlandOsaka

PDX - ITM

PDXITM

Portland

Sun 9/7

7:45 am-5:05 pm

2 stops17h 20m

Osaka Itami

Sat 9/27

12:00 pm-12:43 pm

2 stops16h 43m

$707

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Tue 9/9

9:10 am-9:00 pm

2 stops19h 50m

Osaka Kansai Intl

Tue 9/16

12:35 pm-5:06 pm

2 stops20h 31m

$715

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Sat 8/30

11:04 am-9:00 pm

2 stops17h 56m

Osaka Kansai Intl

Sun 9/7

12:35 pm-1:18 pm

2 stops16h 43m

$716

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Sun 8/31

7:45 am-2:50 pm

1 stop15h 05m

Osaka Kansai Intl

Sat 9/13

5:30 pm-8:37 pm

2 stops19h 07m

$719

PortlandKobe

PDX - UKB

PDXUKB

Portland

Sun 10/5

5:30 am-7:50 am

2 stops34h 20m

Kobe

Tue 10/14

9:15 pm-2:43 pm

2 stops33h 28m

$733

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Sun 8/31

6:15 am-4:25 pm

1 stop18h 10m

Osaka Kansai Intl

Sat 9/13

6:05 pm-2:46 pm

1 stop12h 41m

$765

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Showing 1-10 of 45 results
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Compare providers for flights from Portland to Osaka

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Osaka in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Osaka flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Portland-Osaka flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Portland-Osaka flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Osaka flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Osaka flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Osaka

Have a flexible travel schedule? Discover the best time to fly to Osaka 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.

Cheapflights Insights

Everything you need to know about your flight from Portland to Osaka

How far ahead should I book a flight from Portland to Osaka?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Osaka. Price data was last updated on May 9, 2025.

The best time to book flights from Portland to Osaka is 18 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Portland to Osaka?

Currently, February is the cheapest month in which you can book a flight from Portland to Osaka (average of $892). Flying from Portland to Osaka in December is currently the most expensive (average of $1,330). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Osaka by month

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

In terms of precipitation, rainfall in Osaka ranges from 1.6 - 7.9 inches per month. June is typically the wettest month, when rainfall can reach 7.9 in. January is typically the driest time to visit Osaka when rainfall is around 1.6 in.

Temperature in Osaka by month

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

If weather is an important factor for your trip to Osaka, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

Reviews of airlines servicing Osaka

Get insights into the airlines that provide service to Osaka. 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 Osaka. Reviews last updated May 12, 2025.
See what other customers who have flown with STARLUX Airlines, Korean Air and Japan Airlines from Portland to Osaka have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
168 reviews

Entertainment

9.0

Comfort

9.0

Crew

9.3

Food

8.9

Overall

9.1

Boarding

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
STARLUX Airlines
9.1
Wonderful
168 reviews
STARLUX Airlines
9.1
Wonderful
168 reviews

Entertainment

9.0

Comfort

9.0

Crew

9.3

Food

8.9

Overall

9.1

Boarding

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Korean Air
8.4
Very good
1,071 reviews
STARLUX Airlines
9.1
Wonderful
168 reviews

Entertainment

9.0

Comfort

9.0

Crew

9.3

Food

8.9

Overall

9.1

Boarding

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Japan Airlines
8.3
Very good
1,472 reviews
STARLUX Airlines
9.1
Wonderful
168 reviews

Entertainment

9.0

Comfort

9.0

Crew

9.3

Food

8.9

Overall

9.1

Boarding

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
ANA
8.3
Very good
860 reviews
STARLUX Airlines
9.1
Wonderful
168 reviews

Entertainment

9.0

Comfort

9.0

Crew

9.3

Food

8.9

Overall

9.1

Boarding

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Delta
8.0
Very good
7,950 reviews
STARLUX Airlines
9.1
Wonderful
168 reviews

Entertainment

9.0

Comfort

9.0

Crew

9.3

Food

8.9

Overall

9.1

Boarding

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

Related info for your journey

Find useful and relevant information for your journey from Portland to Osaka. 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 from for flights from Portland to Osaka?

    Portland (PDX), located 6.0 mi from the city center, is the airport you fly out of when you book flights from Portland to Osaka. 8 airlines have flights from Portland to Osaka on a regular basis. Booking flights from Portland to Osaka should not be difficult; the airport handles an average of 0 outbound flights to Osaka per day.

  • What are the cheapest airlines flying from Portland to Osaka round-trip?

    Currently priced at $687, Korean Air will fly you from Portland to Osaka and back. In addition to Korean Air, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from ANA and United Airlines - these airlines can fly you to your destination from $688 and $701, respectively. You may be able to fly from Portland to Osaka for 23% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Portland to Osaka one-way?

    One-way options have recently been found by users for as low as $399 on ANA. Other airlines that offer cheap prices include United Airlines from $412 and Japan Airlines from $494 one-way.

  • What are the most popular routes from Portland to Osaka?

    The most popular flight routes from Portland to Osaka are Portland - Osaka Kansai Intl, Portland - Osaka Itami and Portland - Kobe.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Portland to Osaka?

    Currently, February is the cheapest month in which you can book a flight from Portland to Osaka (average of $892). Flying from Portland to Osaka in December is currently the most expensive (average of $1,330). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Nara
Nishinomiya

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Alternative routes for Portland to Osaka

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Kansai Intl flights
Portland to Itami flights
Boise to Kansai Intl flights
Eugene to Itami flights
Eugene to Kansai Intl flights

Top 8 airlines flying from Portland to Osaka

Discover the top 8 airlines that operate flights from Portland to Osaka. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$568Average$1,328FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$574Average$673FlexibilityNo cancel feeOn-time75%
ANACheapest$608Average$700FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$609Average$832FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$657Average$930FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$720Average$1,015FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$769Average$1,245FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$878Average$1,196FlexibilityNo cancel feeOn-time67%

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