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Osaka Itami

$340+ Cheap flights from Seattle (SEA) to Osaka Itami (ITM)

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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ITM
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
1 adult, Economy
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Cheap flight deals from Seattle to Osaka Itami

Cheapest flights from Seattle to Osaka Itami
Explore the most affordable flight options available from Seattle to Osaka Itami. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2025.

This KAYAK deal was found by Cheapflights users on 12/1. 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.
Sat 12/273:40 pmSEA - ITM
1 stop24h 30mANA
Sat 1/246:00 pmITM - SEA
1 stop12h 20mANA
Deal found 12/1$670
This oojo deal was found by Cheapflights users on 12/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/912:10 pmSEA - ITM
1 stop14h 45mJapan Airlines
Sun 1/251:40 pmITM - SEA
1 stop13h 15mJapan Airlines
Deal found 12/1$828
This oojo deal was found by Cheapflights users on 11/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/112:10 pmSEA - ITM
1 stop14h 45mJapan Airlines
Mon 12/812:30 pmITM - SEA
1 stop14h 20mJapan Airlines
Deal found 11/30$830
This oojo deal was found by Cheapflights users on 12/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:10 pmSEA - ITM
1 stop14h 55mJapan Airlines
Sat 12/61:40 pmITM - SEA
2 stops36h 23mJapan Airlines
Deal found 12/2$837
This FlightHub deal was found by Cheapflights users on 12/1. 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.
Wed 12/1012:10 pmSEA - ITM
1 stop14h 55mJapan Airlines
Wed 12/1711:15 amITM - SEA
2 stops15h 35mJapan Airlines
Deal found 12/1$858
This FlightHub deal was found by Cheapflights users on 12/1. 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.
Wed 12/1012:10 pmSEA - ITM
1 stop14h 55mJapan Airlines
Fri 12/197:30 pmITM - SEA
1 stop31h 20mJapan Airlines
Deal found 12/1$863
This KAYAK deal was found by Cheapflights users on 12/1. 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.
Tue 12/912:10 pmSEA - ITM
1 stop14h 55mJapan Airlines
Wed 12/1711:15 amITM - SEA
2 stops15h 35mJapan Airlines
Deal found 12/1$866
This FlightHub deal was found by Cheapflights users on 12/1. 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.
Mon 12/87:00 amSEA - ITM
2 stops18h 10mANA
Tue 12/236:00 pmITM - SEA
1 stop12h 20mANA
Deal found 12/1$869
This Gotogate deal was found by Cheapflights users on 11/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/13:40 pmSEA - ITM
1 stop22h 50mANA
Sat 12/136:00 pmITM - SEA
1 stop12h 20mANA
Deal found 11/30$871
This Gotogate deal was found by Cheapflights users on 12/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/33:40 pmSEA - ITM
1 stop22h 50mANA
Sat 12/63:00 pmITM - SEA
1 stop15h 20mANA
Deal found 12/2$878

Find flight deals from Seattle to Osaka Itami

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Osaka Itami (ITM). 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 December 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$620
(oojo)

One-way from

$340
(Booking.com)

Popular in

May

Cheapest in

November

Average price

$1,239
Provider with most accurate pricing for Seattle/Tacoma Intl-Osaka Itami flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Osaka Itami flights.
Search Deals
From Seattle/Tacoma Intl to Osaka Itami
Search Deals
One-way flight from Seattle/Tacoma Intl to Osaka Itami
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($129 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Osaka Itami 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 December 3, 2025.
Use the filters below to find and compare flights from Seattle to Osaka Itami Airport that are best for you.

Fly from

Seattle

Fly to

Osaka Itami

Route

Depart

Return

Price

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Fri 1/30

12:30 pm-7:55 pm

1 stop14h 25m

Osaka Itami

Tue 2/10

2:40 pm-9:55 am

1 stop12h 15m

$620

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Tue 1/13

12:30 pm-7:55 pm

1 stop14h 25m

Osaka Itami

Tue 1/20

2:40 pm-9:55 am

1 stop12h 15m

$625

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Wed 2/18

8:15 am-8:05 pm

2 stops18h 50m

Osaka Itami

Wed 2/25

1:40 pm-4:04 pm

2 stops19h 24m

$643

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Sun 1/11

6:18 am-6:55 pm

2 stops19h 37m

Osaka Itami

Sun 1/18

6:00 pm-1:20 pm

1 stop12h 20m

$649

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Tue 3/3

3:45 pm-7:30 am

1 stop22h 45m

Osaka Itami

Thu 3/12

6:00 pm-2:20 pm

1 stop12h 20m

$656

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Wed 2/18

3:45 pm-7:30 am

1 stop22h 45m

Osaka Itami

Wed 2/25

6:00 pm-1:20 pm

1 stop12h 20m

$661

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Thu 1/29

3:45 pm-10:10 am

1 stop25h 25m

Osaka Itami

Wed 2/25

6:00 pm-1:20 pm

1 stop12h 20m

$678

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Fri 1/16

3:45 pm-7:30 am

1 stop22h 45m

Osaka Itami

Fri 1/23

8:20 pm-9:12 pm

2 stops17h 52m

$680

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Mon 1/19

12:30 pm-8:20 pm

1 stop14h 50m

Osaka Itami

Thu 1/22

2:40 pm-9:55 am

1 stop12h 15m

$730

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Sun 2/1

12:30 pm-7:55 pm

1 stop14h 25m

Osaka Itami

Wed 2/4

2:40 pm-2:34 pm

2 stops16h 54m

$741

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 19 results
1
2

Compare providers for flights from Seattle to Osaka Itami

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 Seattle to Osaka Itami in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 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 Seattle-Osaka Itami Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Osaka Itami Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Seattle-Osaka Itami Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Osaka Itami Airport flights, Cheapflights users trust eDreams the most. eDreams 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 Seattle-Osaka Itami Airport 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 Seattle to Osaka Itami

Have a flexible travel schedule? Discover the best time to fly to Osaka Itami from Seattle 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 Seattle to Osaka Itami Airport

What is the cheapest month to book a flight from Seattle to Osaka Itami Airport?

Currently, November is the cheapest month in which you can book a flight from Seattle to Osaka Itami Airport (average of $680). Flying from Seattle to Osaka Itami Airport in December is currently the most expensive (average of $1,043). 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.

What is the cheapest time of day to fly from SEA to ITM?

Find hourly flight availability from Seattle to Osaka Itami. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 3, 2025.

It’s typically best to fly out from Seattle to Osaka Itami Airport in the evening. Doing so could potentially save you 39% on the flight price compared to flying in the afternoon, which is usually more expensive.

Reviews of airlines servicing Osaka Itami

Get insights into the airlines that provide service to Osaka Itami. 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 Itami. Reviews last updated December 3, 2025.
Read through reviews of airlines operating flights from Seattle to Osaka Itami Airport, such as ANA and Japan Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
1,016 reviews

Boarding

8.6

Food

7.8

Entertainment

7.9

Comfort

8.2

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support
ANA
8.4
Very good
1,016 reviews
ANA
8.4
Very good
1,016 reviews

Boarding

8.6

Food

7.8

Entertainment

7.9

Comfort

8.2

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support
Japan Airlines
8.3
Very good
1,636 reviews
ANA
8.4
Very good
1,016 reviews

Boarding

8.6

Food

7.8

Entertainment

7.9

Comfort

8.2

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support

Related info for your journey

Find useful and relevant information for your journey from Seattle to Osaka Itami. 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 Seattle to Osaka Itami?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Osaka Itami. On average, Seattle/Tacoma Intl has 0 outbound flights to Osaka Itami per day from 2 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • How long is the flight from Seattle to Osaka Itami Airport?

    Departing from Seattle to Osaka Itami Airport will take you 14h 25m. The distance from Seattle to Osaka Itami Airport is about 4999 mi.

  • What are the cheapest airlines flying from Seattle to Osaka Itami Airport round-trip?

    ANA, at $687, was found to be the cheapest airline from Seattle to Osaka Itami Airport. An alternate airline flying to your destination would be Japan Airlines. ANA is currently priced 31% below the average price you’ll pay for this route.

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

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

  • How can I find direct flights from Seattle to Osaka Itami?

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

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

    Yes. Cheapflights offers flight deals from Seattle to Osaka Itami 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 Seattle to Osaka Itami Airport?

    Currently, November is the cheapest month in which you can book a flight from Seattle to Osaka Itami Airport (average of $680). Flying from Seattle to Osaka Itami Airport in December is currently the most expensive (average of $1,043). 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 Osaka Itami Airport?

Book flights to Osaka Itami Airport if you plan to visit one of these locations
Nara

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Alternative routes for Seattle to Osaka Itami

See prices for flight routes from nearby airports that may be better suited for you.
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Portland to Kansai Intl flights
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Top 2 airlines flying from Seattle to Osaka Itami

Discover the top 2 airlines that operate flights from Seattle to Osaka Itami. 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 December 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
ANACheapest$687Average$849FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$697Average$1,128FlexibilityNo cancel feeOn-time79%

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