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$461+ Cheap flights from Kansai Intl (KIX) to Seattle (SEA)

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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
KIX — SEA
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Kansai Intl to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Kansai Intl (KIX) to Seattle (SEA). 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$809
(HIS)

One-way from

$461
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$868
Provider with most accurate pricing for Osaka Kansai Intl-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Osaka Kansai Intl-Seattle/Tacoma Intl flights.
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From Osaka Kansai Intl to Seattle/Tacoma Intl
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One-way flight from Osaka Kansai Intl to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 28% potential increase in price ($431 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($71 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Kansai Intl to Seattle

Cheapest flights from Kansai Intl to Seattle
Explore the most affordable flight options available from Kansai Intl to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This HIS deal was found by Cheapflights users on 3/26. 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 HIS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1010:20 amKIX - SEA
1 stop24h 55mPhilippine Airlines
Wed 9/2411:35 pmSEA - KIX
1 stop22h 45mPhilippine Airlines
Deal found 3/26$809
This oojo deal was found by Cheapflights users on 3/27. 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 5/137:05 pmKIX - SEA
1 stop16h 25mChina Airlines
Tue 5/271:10 amSEA - KIX
1 stop19h 40mChina Airlines
Deal found 3/27$856
This Booking.com deal was found by Cheapflights users on 3/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/86:05 pmKIX - SEA
1 stop16h 31mAir Canada
Wed 8/2010:00 amSEA - KIX
1 stop14h 25mAir Canada
Deal found 3/27$868
This Expedia deal was found by Cheapflights users on 3/26. 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.
Wed 9/106:30 pmKIX - SEA
1 stop17h 00mEVA Air
Tue 9/2312:30 amSEA - KIX
1 stop24h 45mEVA Air
Deal found 3/26$873
This HIS deal was found by Cheapflights users on 3/27. 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 HIS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/71:25 pmKIX - SEA
1 stop18h 45mSTARLUX Airlines
Sat 5/101:15 amSEA - KIX
1 stop19h 00mSTARLUX Airlines
Deal found 3/27$900
This Gotogate deal was found by Cheapflights users on 3/27. 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.
Thu 4/1010:50 amKIX - SEA
1 stop17h 40mAsiana Airlines
Sun 4/132:15 pmSEA - KIX
1 stop35h 35mAsiana Airlines
Deal found 3/27$952
This Expedia deal was found by Cheapflights users on 3/26. 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.
Wed 9/1010:20 amKIX - SEA
1 stop24h 55mMultiple Airlines
Wed 9/247:20 amSEA - KIX
2 stops21h 40mMultiple Airlines
Deal found 3/26$958
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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.
Wed 8/208:45 pmKIX - SEA
1 stop17h 10mAlaska Airlines
Wed 9/38:15 amSEA - KIX
1 stop18h 30mAlaska Airlines
Deal found 3/27$1,040
This Delta deal was found by Cheapflights users on 3/27. 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.
Thu 8/2112:35 pmKIX - SEA
2 stops27h 23mDelta
Mon 9/812:45 pmSEA - KIX
1 stop30h 35mDelta
Deal found 3/27$1,183
This KLM deal was found by Cheapflights users on 3/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/711:20 amKIX - SEA
2 stops40h 20mKLM
Sun 5/111:30 pmSEA - KIX
2 stops28h 50mKLM
Deal found 3/27$1,520
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Wed 8/208:25 amKIX - SEA
3 stops28h 29mUnited Airlines
Wed 9/37:04 amSEA - KIX
1 stop15h 46mUnited Airlines
Deal found 3/27$1,562

Cheapflights Fare Finder

Customize your flight search to find flights from Kansai Intl to Seattle 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 March 28, 2025.
Use the filters below to find and compare flights from Osaka Kansai Intl Airport to Seattle that are best for you.

Fly from

Kansai Intl

Fly to

Seattle

Route

Depart

Return

Price

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Wed 9/10

10:20 am-7:15 pm

1 stop24h 55m

Seattle/Tacoma Intl

Wed 9/24

11:35 pm-2:20 pm

1 stop22h 45m

$809

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Tue 5/13

7:05 pm-7:30 pm

1 stop16h 25m

Seattle/Tacoma Intl

Tue 5/27

1:10 am-12:50 pm

1 stop19h 40m

$856

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Tue 7/8

6:05 pm-6:36 pm

1 stop16h 31m

Seattle/Tacoma Intl

Wed 8/20

10:00 am-4:25 pm

1 stop14h 25m

$868

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Wed 9/10

6:30 pm-7:30 pm

1 stop17h 00m

Seattle/Tacoma Intl

Tue 9/23

12:30 am-5:15 pm

1 stop24h 45m

$873

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Wed 5/7

1:25 pm-4:10 pm

1 stop18h 45m

Seattle/Tacoma Intl

Sat 5/10

1:15 am-12:15 pm

1 stop19h 00m

$900

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Thu 4/10

10:50 am-12:30 pm

1 stop17h 40m

Seattle/Tacoma Intl

Sun 4/13

2:15 pm-5:50 pm

1 stop35h 35m

$952

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Wed 9/10

10:20 am-7:15 pm

1 stop24h 55m

Seattle/Tacoma Intl

Wed 9/24

7:20 am-9:00 pm

2 stops21h 40m

$958

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Wed 8/20

8:45 pm-9:55 pm

1 stop17h 10m

Seattle/Tacoma Intl

Wed 9/3

8:15 am-6:45 pm

1 stop18h 30m

$1,040

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Thu 8/21

12:35 pm-11:58 pm

2 stops27h 23m

Seattle/Tacoma Intl

Mon 9/8

12:45 pm-11:20 am

1 stop30h 35m

$1,183

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Wed 5/7

11:20 am-11:40 am

2 stops40h 20m

Seattle/Tacoma Intl

Sun 5/11

1:30 pm-10:20 am

2 stops28h 50m

$1,520

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 20 results
1
2

Compare providers for flights from Kansai Intl to Seattle

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 Kansai Intl to Seattle in March.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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 Osaka Kansai Intl Airport-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Osaka Kansai Intl Airport-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Osaka Kansai Intl Airport-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Osaka Kansai Intl Airport-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub 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 Osaka Kansai Intl Airport-Seattle 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 Kansai Intl to Seattle

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

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

Currently, January is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to Seattle (average of $238). Flying from Osaka Kansai Intl Airport to Seattle in July is currently the most expensive (average of $411). 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 KIX to SEA?

Find hourly flight availability from Kansai Intl to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 44% on flights from Osaka Kansai Intl Airport to Seattle by exploring options for tickets in the morning.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated March 28, 2025.
STARLUX Airlines
9.1
Wonderful
146 reviews

Entertainment

9.0

Comfort

9.0

Boarding

9.0

Food

8.9

Overall

9.1

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
STARLUX Airlines
9.1
Wonderful
146 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Entertainment

9.0

Comfort

9.0

Boarding

9.0

Food

8.9

Overall

9.1

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
EVA Air
8.4
Very good
1,169 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Entertainment

9.0

Comfort

9.0

Boarding

9.0

Food

8.9

Overall

9.1

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
China Airlines
8.2
Very good
722 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Entertainment

9.0

Comfort

9.0

Boarding

9.0

Food

8.9

Overall

9.1

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Asiana Airlines
8.2
Very good
440 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Entertainment

9.0

Comfort

9.0

Boarding

9.0

Food

8.9

Overall

9.1

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Alaska Airlines
8.0
Very good
9,798 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Entertainment

9.0

Comfort

9.0

Boarding

9.0

Food

8.9

Overall

9.1

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Related info for your journey

Find useful and relevant information for your journey from Kansai Intl to Seattle. 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 into for flights to Seattle from Osaka Kansai Intl?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from Osaka Kansai Intl to Seattle. 3 airlines have flights to Seattle/Tacoma Intl from Osaka Kansai Intl on a regular basis. Booking flights from Osaka Kansai Intl to Seattle/Tacoma Intl should not be difficult; the airport handles an average of 0 inbound flights from Osaka Kansai Intl per day.

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

    Flying on Philippine Airlines is currently your cheapest option to Seattle, with prices starting at $809. Additional round-trip tickets that might be worth considering are offered by China Airlines and Air Canada, with the lowest prices starting at $856 and $868, respectively. You may be able to fly from Osaka Kansai Intl Airport to Seattle for 25% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Osaka Kansai Intl Airport to Seattle one-way?

    The cheapest airline one-way is Philippine Airlines, with whom users have recently found tickets for as low as $521. However, be on the lookout for offers from China Airlines and EVA Air, as they are both options that can get you from Osaka Kansai Intl Airport to Seattle for a low price.

  • Can I find deals for flights from Kansai Intl to Seattle that include hotel bookings?

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

  • How can I find direct flights from Kansai Intl to Seattle?

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

  • Can I find deals for business class flights from Kansai Intl to Seattle?

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

    Currently, January is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to Seattle (average of $238). Flying from Osaka Kansai Intl Airport to Seattle in July is currently the most expensive (average of $411). 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 Kansai Intl Airport?

Book flights to Osaka Kansai Intl Airport if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Renton
Lacey
Ocean Shores
Leavenworth
Federal Way
Olympia
Cle Elum
Centralia
Mukilteo
Aberdeen
Shoreline
Lynnwood
Shelton
Silverdale
Redmond
Monroe

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Alternative routes for Kansai Intl to Seattle

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

Top 3 airlines flying from Kansai Intl to Seattle

Discover the top 3 airlines that operate flights from Kansai Intl to Seattle. 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$838Average$1,344FlexibilityNo cancel feeOn-time67%
Asiana AirlinesCheapest$852Average$926FlexibilityNo cancel feeOn-time76%
ANACheapest$1,863Average$1,863FlexibilityNo cancel feeOn-time80%
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