$490+ Cheap flights from Osaka (OSA) 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
OSA — SEA
Sep 22 — Sep 291
Round-trip
1 adult, Economy
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Find cheap flights from Osaka to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Osaka to Seattle
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Cheapest flights from Osaka to SeattleExplore the most affordable flight options available from Osaka to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 23, 2026.
Explore the most affordable flight options available from Osaka to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 23, 2026.
This Flightnetwork deal was found by Cheapflights users on 8/22. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:40 am -
2 stops26h 52m
Sun 10/258:40 am -
2 stops22h 05m
Deal found 8/22![Multiple Airlines logo]()
$945
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/211:35 pm -
1 stop16h 05m
Mon 9/281:35 pm -
1 stop15h 40m
Deal found 8/17![Multiple Airlines logo]()
$949
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/59:00 pm -
2 stops37h 36m
Thu 10/224:30 pm -
1 stop33h 25m
Deal found 8/21![Multiple Airlines logo]()
$962
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:35 am -
2 stops24h 09m
Mon 11/303:40 pm -
1 stop13h 40m
Deal found 8/19![Multiple Airlines logo]()
$979
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/411:45 am -
1 stop20h 25m
Sun 10/114:30 pm -
1 stop33h 25m
Deal found 8/20![Multiple Airlines logo]()
$997
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:35 am -
2 stops24h 09m
Thu 12/33:40 pm -
1 stop13h 10m
Deal found 8/19![Multiple Airlines logo]()
$998
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:35 am -
2 stops22h 22m
Mon 11/303:40 pm -
1 stop13h 10m
Deal found 8/19![Multiple Airlines logo]()
$1,000
This Mytrip deal was found by Cheapflights users on 8/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:40 am -
1 stop23h 35m
Mon 10/1212:10 am -
1 stop24h 20m
Deal found 8/22![Multiple Airlines logo]()
$1,001
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:30 pm -
1 stop18h 40m
Thu 9/104:30 pm -
1 stop13h 20m
Deal found 8/19![Multiple Airlines logo]()
$1,007
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:00 am -
2 stops22h 25m
Sun 10/44:30 pm -
1 stop22h 55m
Deal found 8/19![Multiple Airlines logo]()
$1,252
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:00 am -
2 stops22h 25m
Thu 10/84:30 pm -
1 stop33h 40m
Deal found 8/19![Multiple Airlines logo]()
$1,273
This Cheapflightsfares deal was found by Cheapflights users on 8/22. 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.
Tue 10/61:30 pm -
2 stops22h 20m
Tue 10/137:00 am -
2 stops20h 50m
Deal found 8/22![Multiple Airlines logo]()
$1,284
Best flights from Osaka to SeattleDiscover carefully curated flight deals from Osaka to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.
Discover carefully curated flight deals from Osaka to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.
This Flightnetwork deal was found by Cheapflights users on 8/22. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:40 am -
2 stops26h 52m
Sun 10/258:40 am -
2 stops22h 05m
Deal found 8/22![Multiple Airlines logo]()
$945
This FlightHub deal was found by Cheapflights users on 8/18. 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 10/279:10 am -
1 stop21h 45m
Wed 1/2012:10 am -
1 stop16h 30m
Deal found 8/18![Asiana Airlines logo]()
$1,238
This Gotogate deal was found by Cheapflights users on 8/21. 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 10/54:15 pm -
2 stops33h 50m
Thu 10/2210:59 pm -
2 stops30h 16m
Deal found 8/21![Cathay Pacific logo]()
$1,321
This Qatar Airways deal was found by Cheapflights users on 8/17. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:35 pm -
2 stops35h 50m
Mon 11/303:50 pm -
2 stops35h 05m
Deal found 8/17![Qatar Airways logo]()
$1,884
This American Airlines deal was found by Cheapflights users on 8/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/242:35 pm -
1 stop12h 00m
Sat 10/177:10 am -
2 stops20h 00m
Deal found 8/20![American Airlines logo]()
$2,033
This CheapOair deal was found by Cheapflights users on 8/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:25 pm -
1 stop14h 57m
Thu 1/2110:50 am -
1 stop26h 30m
Deal found 8/22![Multiple Airlines logo]()
$1,204
This Cathay Pacific deal was found by Cheapflights users on 8/19. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:45 am -
2 stops22h 42m
Mon 9/1412:25 pm -
1 stop37h 40m
Deal found 8/19![Cathay Pacific logo]()
$1,369
This Air Canada deal was found by Cheapflights users on 8/18. 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.
Thu 9/246:00 pm -
1 stop12h 17m
Sat 10/177:25 pm -
2 stops29h 00m
Deal found 8/18![Multiple Airlines logo]()
$1,314
This Qatar Airways deal was found by Cheapflights users on 8/21. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:05 pm -
2 stops32h 40m
Sat 10/174:25 pm -
2 stops35h 25m
Deal found 8/21![Qatar Airways logo]()
$1,931
This Cheapflightsfares deal was found by Cheapflights users on 8/19. 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.
Tue 9/12:35 pm -
1 stop12h 30m
Thu 9/107:20 am -
2 stops20h 30m
Deal found 8/19![Multiple Airlines logo]()
$1,709
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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 11/1112:30 pm -
1 stop13h 45m
Thu 11/197:00 am -
2 stops31h 40m
Deal found 8/20![Multiple Airlines logo]()
$1,786
This Qatar Airways deal was found by Cheapflights users on 8/18. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/244:50 pm -
2 stops35h 55m
Sat 10/174:25 pm -
2 stops35h 25m
Deal found 8/18![Multiple Airlines logo]()
$1,915
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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.
Thu 9/32:35 pm -
1 stop12h 30m
Sat 9/57:20 am -
2 stops21h 10m
Deal found 8/18![Multiple Airlines logo]()
$1,946
This Ovago deal was found by Cheapflights users on 8/19. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/252:35 pm -
1 stop12h 30m
Wed 9/301:20 pm -
1 stop14h 30m
Deal found 8/19![Multiple Airlines logo]()
$1,989
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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.
Fri 10/27:30 am -
1 stop19h 35m
Thu 10/81:20 pm -
1 stop32h 15m
Deal found 8/19![Multiple Airlines logo]()
$2,023
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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.
Mon 9/212:35 pm -
1 stop12h 30m
Mon 9/287:20 am -
2 stops20h 30m
Deal found 8/17![Multiple Airlines logo]()
$2,136
Last-minute flights from Osaka to SeattleDiscover last-minute flight deals from Osaka to Seattle. Data last updated August 23, 2026 and is based on user searches.
Discover last-minute flight deals from Osaka to Seattle. Data last updated August 23, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:30 pm -
1 stop18h 40m
Thu 9/104:30 pm -
1 stop13h 20m
Deal found 8/19![Multiple Airlines logo]()
$1,007
This Booking.com deal was found by Cheapflights users on 8/19. 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 9/12:35 pm -
1 stop12h 30m
Thu 9/101:20 pm -
1 stop14h 30m
Deal found 8/19![Multiple Airlines logo]()
$1,386
This Trip.com deal was found by Cheapflights users on 8/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/212:25 pm -
1 stop19h 45m
Sat 9/512:25 pm -
1 stop32h 30m
Deal found 8/18![Multiple Airlines logo]()
$1,076
This Kissandfly.com deal was found by Cheapflights users on 8/18. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/22:35 pm -
1 stop12h 30m
Sat 9/54:30 pm -
1 stop22h 55m
Deal found 8/18![Multiple Airlines logo]()
$1,413
This Trip.com deal was found by Cheapflights users on 8/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:25 pm -
2 stops42h 05m
Sat 9/512:25 pm -
1 stop32h 30m
Deal found 8/18![Multiple Airlines logo]()
$1,060
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:25 pm -
1 stop19h 45m
Tue 9/228:15 pm -
2 stops49h 55m
Deal found 8/17![Multiple Airlines logo]()
$1,072
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:40 am -
2 stops45h 30m
Wed 1/63:45 pm -
1 stop24h 00m
Deal found 8/22![Multiple Airlines logo]()
$1,020
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/182:00 pm -
1 stop13h 05m
Wed 1/63:45 pm -
1 stop22h 45m
Deal found 8/22![Multiple Airlines logo]()
$1,456
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/211:35 pm -
1 stop16h 05m
Mon 9/281:35 pm -
1 stop15h 40m
Deal found 8/17![Multiple Airlines logo]()
$949
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/212:00 pm -
1 stop13h 05m
Mon 9/281:20 pm -
1 stop14h 30m
Deal found 8/17![Multiple Airlines logo]()
$1,697
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2411:35 pm -
1 stop32h 35m
Tue 9/298:15 pm -
2 stops33h 45m
Deal found 8/19![Multiple Airlines logo]()
$1,084
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:20 pm -
1 stop16h 50m
Wed 9/304:30 pm -
1 stop13h 50m
Deal found 8/19![Multiple Airlines logo]()
$1,093
One-way flights from Osaka to SeattleSearch for one-way flight options from Osaka to Seattle. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.
Search for one-way flight options from Osaka to Seattle. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.
This Trip.com deal was found by Cheapflights users on 8/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/271:30 pm -
2 stops41h 00m
Deal found 8/22![Multiple Airlines logo]()
$490
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/59:00 pm -
3 stops51h 20m
Deal found 8/21![Multiple Airlines logo]()
$508
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:05 pm -
3 stops58h 35m
Deal found 8/19![Multiple Airlines logo]()
$518
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/88:05 pm -
3 stops58h 35m
Deal found 8/18![Multiple Airlines logo]()
$527
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:05 pm -
3 stops59h 03m
Deal found 8/21![Multiple Airlines logo]()
$530
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:50 am -
3 stops46h 50m
Deal found 8/22![Multiple Airlines logo]()
$547
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:05 pm -
3 stops58h 35m
Deal found 8/20![Multiple Airlines logo]()
$553
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/12:05 pm -
2 stops58h 02m
Deal found 8/20![Multiple Airlines logo]()
$599
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:00 pm -
2 stops44h 36m
Deal found 8/21![Multiple Airlines logo]()
$616
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/202:40 pm -
2 stops41h 30m
Deal found 8/18![Multiple Airlines logo]()
$623
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/49:00 am -
3 stops50h 56m
Deal found 8/20![Multiple Airlines logo]()
$646
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:35 am -
3 stops45h 35m
Deal found 8/22![Multiple Airlines logo]()
$694
Find flight deals from Osaka to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Osaka (OSA) 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 August 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $945 (Flightnetwork) |
One-way from | $490 (Trip.com) |
Popular in | October |
Cheapest in | April |
Average price | $1,223 |
Cheapflights Fare Finder
Customize your flight search to find flights from Osaka 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 7,457,451 searches. Data last updated August 23, 2026.
Use the filters below to find and compare flights from Osaka to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OsakaSeattle
KIX Osaka Kansai Intl - SEA Seattle/Tacoma Intl
KIXSEA
Osaka Kansai Intl
Wed 10/21
7:40 am-6:32 pm
2 stops26h 52m
Seattle/Tacoma Intl
Sun 10/25
8:40 am-10:45 pm
2 stops22h 05m
$945
OsakaSeattle
KIX Osaka Kansai Intl - SEA Seattle/Tacoma Intl
KIXSEA
Osaka Kansai Intl
Tue 10/27
7:25 pm-6:22 pm
1 stop14h 57m
Seattle/Tacoma Intl
Thu 1/21
10:50 am-6:20 am
1 stop26h 30m
$1,204
OsakaSeattle
KIX Osaka Kansai Intl - SEA Seattle/Tacoma Intl
KIXSEA
Osaka Kansai Intl
Tue 10/27
9:10 am-2:55 pm
1 stop21h 45m
Seattle/Tacoma Intl
Wed 1/20
12:10 am-9:40 am
1 stop16h 30m
$1,238
OsakaSeattle
KIX Osaka Kansai Intl - SEA Seattle/Tacoma Intl
KIXSEA
Osaka Kansai Intl
Thu 9/24
6:00 pm-2:17 pm
1 stop12h 17m
Seattle/Tacoma Intl
Sat 10/17
7:25 pm-4:25 pm
2 stops29h 00m
$1,314
OsakaSeattle
KIX Osaka Kansai Intl - SEA Seattle/Tacoma Intl
KIXSEA
Osaka Kansai Intl
Mon 10/5
4:15 pm-10:05 am
2 stops33h 50m
Seattle/Tacoma Intl
Thu 10/22
10:59 pm-9:15 pm
2 stops30h 16m
$1,321
OsakaSeattle
KIX Osaka Kansai Intl - SEA Seattle/Tacoma Intl
KIXSEA
Osaka Kansai Intl
Thu 9/10
9:45 am-4:27 pm
2 stops22h 42m
Seattle/Tacoma Intl
Mon 9/14
12:25 pm-6:05 pm
1 stop37h 40m
$1,369
OsakaSeattle
ITM Osaka Itami - SEA Seattle/Tacoma Intl
ITMSEA
Osaka Itami
Tue 9/1
2:35 pm-11:05 am
1 stop12h 30m
Seattle/Tacoma Intl
Thu 9/10
7:20 am-7:50 pm
2 stops20h 30m
$1,709
OsakaSeattle
ITM Osaka Itami - SEA Seattle/Tacoma Intl
ITMSEA
Osaka Itami
Wed 11/11
12:30 pm-9:15 am
1 stop13h 45m
Seattle/Tacoma Intl
Thu 11/19
7:00 am-7:40 am
2 stops31h 40m
$1,786
OsakaSeattle
ITM Osaka Itami - SEA Seattle/Tacoma Intl
ITMSEA
Osaka Itami
Fri 10/23
4:35 pm-12:25 pm
2 stops35h 50m
Seattle/Tacoma Intl
Mon 11/30
3:50 pm-7:55 pm
2 stops35h 05m
$1,884
OsakaSeattle
ITM Osaka Itami - SEA Seattle/Tacoma Intl
ITMSEA
Osaka Itami
Thu 9/24
4:50 pm-12:45 pm
2 stops35h 55m
Seattle/Tacoma Intl
Sat 10/17
4:25 pm-7:50 pm
2 stops35h 25m
$1,915
Showing 1-10 of 30 resultsSorted by cheapest first
Compare providers for flights from Osaka 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 Osaka to Seattle in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Osaka-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Osaka-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Osaka-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Osaka-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-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 Osaka to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Osaka with our price prediction graph.
OSA-SEA
KIX-SEA
ITM-SEA
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 to Seattle
OSA-SEA
KIX-SEA
ITM-SEA
How much does it cost to fly round-trip from Osaka to Seattle?
Airfare is below average for this route at the moment.
Osaka to Seattle flights typically cost between $1,022 and $1,556 in October.The cheapest round-trip price found within the last 5 days was $945 on Multiple Airlines (Oct 21-Oct 25).
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 August 23, 2026.
See what other customers who have flown with STARLUX Airlines from Osaka to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.8
Boarding
8.8
Overall
8.7
Entertainment
8.7
Food
8.5
Crew
9.1
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Comfort
8.8
Boarding
8.8
Overall
8.7
Entertainment
8.7
Food
8.5
Crew
9.1
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Related info for your journey
Find useful and relevant information for your journey from Osaka to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
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Puyallup
Kent
Marysville
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Ocean Shores
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Fife
Poulsbo
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Osaka and Seattle flights
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Top airline flying from Osaka to Seattle
Discover the top airline that operate flights from Osaka 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 7,457,451 searches. Data last updated August 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$794 | Average$1,234 | FlexibilityNo cancel fee | On-time67% |