$386+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
OSA — SEA
May 2 — May 91
Round-trip
1 adult, Economy
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Find cheap flights from Osaka to Seattle with Cheapflights
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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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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 April 2, 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 April 2, 2026.
This Gotogate deal was found by Cheapflights users on 3/29. 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 5/1112:35 pm
KIX
- SEA
1 stop18h 20m
Multiple Airlines
Mon 5/2512:55 am
SEA
- KIX
1 stop29h 45m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$638
This oojo deal was found by Cheapflights users on 3/28. 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 5/1212:35 pm
KIX
- SEA
1 stop18h 20m
Multiple Airlines
Mon 5/1812:55 am
SEA
- KIX
1 stop29h 45m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$644
This Flightnetwork deal was found by Cheapflights users on 3/31. 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.
Fri 5/159:05 am
KIX
- SEA
1 stop21h 50m
Multiple Airlines
Thu 5/2112:55 am
SEA
- KIX
1 stop29h 35m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$657
This Gotogate deal was found by Cheapflights users on 3/31. 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.
Fri 5/1510:30 am
KIX
- SEA
1 stop20h 25m
Asiana Airlines
Thu 5/2112:55 am
SEA
- KIX
1 stop28h 40m
Asiana Airlines
Deal found 3/31![Asiana Airlines logo]()
$686
This Gotogate deal was found by Cheapflights users on 3/29. 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 5/137:45 pm
KIX
- SEA
1 stop35h 10m
Asiana Airlines
Tue 5/1912:55 am
SEA
- KIX
1 stop25h 35m
Asiana Airlines
Deal found 3/29![Asiana Airlines logo]()
$688
This Air Canada deal was found by Cheapflights users on 3/29. 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.
Tue 10/136:00 pm
KIX
- SEA
1 stop12h 22m
Air Canada
Sat 10/173:00 pm
SEA
- KIX
1 stop33h 25m
Air Canada
Deal found 3/29![Air Canada logo]()
$701
This Mytrip deal was found by Cheapflights users on 3/29. 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.
Mon 11/27:25 pm
KIX
- SEA
1 stop31h 26m
Air Canada
Wed 11/1110:35 am
SEA
- KIX
1 stop14h 05m
Air Canada
Deal found 3/29![Air Canada logo]()
$704
This Air Canada deal was found by Cheapflights users on 3/31. 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.
Tue 6/236:00 pm
KIX
- SEA
1 stop16h 32m
Air Canada
Wed 9/165:40 am
SEA
- KIX
1 stop18h 45m
Air Canada
Deal found 3/31![Air Canada logo]()
$732
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 8/222:00 pm
ITM
- SEA
2 stops23h 07m
Multiple Airlines
Fri 8/281:30 pm
SEA
- ITM
1 stop14h 20m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$1,070
This Cheapflightsfares deal was found by Cheapflights users on 3/28. 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 6/232:35 pm
ITM
- SEA
1 stop12h 15m
Japan Airlines
Wed 9/161:15 pm
SEA
- ITM
1 stop14h 35m
Japan Airlines
Deal found 3/28![Japan Airlines logo]()
$1,084
This BusinessClass deal was found by Cheapflights users on 3/31. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2312:50 pm
ITM
- SEA
1 stop12h 49m
Multiple Airlines
Wed 9/1611:45 am
SEA
- ITM
1 stop14h 25m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$1,190
This Alaska Airlines deal was found by Cheapflights users on 3/29. 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 7/242:30 pm
ITM
- SEA
1 stop12h 45m
Multiple Airlines
Thu 8/201:30 pm
SEA
- ITM
1 stop14h 20m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$1,224
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 April 2, 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 April 2, 2026.
This Gotogate deal was found by Cheapflights users on 3/29. 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 5/137:45 pm
KIX
- SEA
1 stop35h 10m
Asiana Airlines
Tue 5/1912:55 am
SEA
- KIX
1 stop25h 35m
Asiana Airlines
Deal found 3/29![Asiana Airlines logo]()
$688
This Gotogate deal was found by Cheapflights users on 3/29. 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 5/137:35 am
KIX
- SEA
2 stops31h 05m
Multiple Airlines
Wed 5/2010:45 am
SEA
- KIX
1 stop13h 40m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$758
This Gotogate deal was found by Cheapflights users on 3/28. 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.
Sat 8/226:00 pm
KIX
- SEA
1 stop31h 52m
Air Canada
Fri 8/285:40 am
SEA
- KIX
1 stop18h 45m
Air Canada
Deal found 3/28![Air Canada logo]()
$871
This oojo deal was found by Cheapflights users on 3/30. 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 8/31:10 pm
KIX
- SEA
2 stops45h 22m
China Airlines
Sun 8/161:55 am
SEA
- KIX
1 stop24h 10m
China Airlines
Deal found 3/30![China Airlines logo]()
$1,046
This STARLUX Airlines deal was found by Cheapflights users on 3/30. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/241:25 pm
KIX
- SEA
1 stop19h 10m
STARLUX Airlines
Thu 8/61:15 am
SEA
- KIX
1 stop19h 00m
STARLUX Airlines
Deal found 3/30![STARLUX Airlines logo]()
$1,078
This CheapOair deal was found by Cheapflights users on 3/28. 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 5/129:05 am
KIX
- SEA
2 stops23h 12m
Cathay Pacific
Tue 5/191:50 pm
SEA
- KIX
3 stops33h 00m
Cathay Pacific
Deal found 3/28![Cathay Pacific logo]()
$1,231
This oojo deal was found by Cheapflights users on 3/28. 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 5/122:35 pm
ITM
- SEA
2 stops17h 42m
Japan Airlines
Tue 5/198:43 am
SEA
- ITM
2 stops19h 07m
Japan Airlines
Deal found 3/28![Japan Airlines logo]()
$1,468
This Gotogate deal was found by Cheapflights users on 4/2. 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.
Sun 5/177:35 am
KIX
- SEA
2 stops31h 05m
Multiple Airlines
Sun 5/245:50 am
SEA
- KIX
1 stop18h 35m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$825
This Asiana Airlines deal was found by Cheapflights users on 3/28. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2410:30 am
KIX
- SEA
1 stop20h 55m
Asiana Airlines
Thu 8/612:55 am
SEA
- KIX
1 stop16h 05m
Asiana Airlines
Deal found 3/28![Asiana Airlines logo]()
$1,153
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 8/222:00 pm
ITM
- SEA
2 stops23h 07m
Multiple Airlines
Fri 8/281:30 pm
SEA
- ITM
1 stop14h 20m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$1,070
This Air Canada deal was found by Cheapflights users on 3/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/242:00 pm
ITM
- SEA
2 stops20h 32m
Air Canada
Thu 8/205:40 am
SEA
- ITM
2 stops21h 15m
Air Canada
Deal found 3/30![Air Canada logo]()
$1,323
This China Airlines deal was found by Cheapflights users on 3/28. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:05 pm
KIX
- SEA
2 stops28h 02m
Multiple Airlines
Thu 8/208:26 pm
SEA
- KIX
2 stops24h 24m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$1,111
This Air Canada deal was found by Cheapflights users on 3/28. 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.
Tue 6/232:00 pm
ITM
- SEA
2 stops20h 32m
Air Canada
Wed 9/165:40 am
SEA
- ITM
2 stops21h 15m
Air Canada
Deal found 3/28![Air Canada logo]()
$1,401
This China Airlines deal was found by Cheapflights users on 3/30. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/241:10 pm
KIX
- SEA
2 stops26h 49m
Multiple Airlines
Thu 8/61:55 am
SEA
- KIX
1 stop24h 10m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$1,179
This Alaska Airlines deal was found by Cheapflights users on 3/29. 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 7/242:30 pm
ITM
- SEA
1 stop12h 45m
Multiple Airlines
Thu 8/201:30 pm
SEA
- ITM
1 stop14h 20m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$1,224
This Alaska Airlines deal was found by Cheapflights users on 3/28. 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.
Tue 5/122:35 pm
ITM
- SEA
1 stop12h 40m
Multiple Airlines
Tue 5/197:35 am
SEA
- ITM
2 stops32h 00m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$1,332
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/172:35 pm
ITM
- SEA
1 stop12h 40m
Multiple Airlines
Sun 5/249:40 pm
SEA
- ITM
2 stops29h 15m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$1,485
This Air Canada deal was found by Cheapflights users on 3/29. 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.
Fri 7/242:00 pm
ITM
- SEA
2 stops24h 48m
Multiple Airlines
Fri 8/710:30 am
SEA
- ITM
2 stops16h 25m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$1,546
Last-minute flights from Osaka to SeattleDiscover last-minute flight deals from Osaka to Seattle. Data last updated April 2, 2026 and is based on user searches.
Discover last-minute flight deals from Osaka to Seattle. Data last updated April 2, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 3/29. 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 5/1112:35 pm
KIX
- SEA
1 stop18h 20m
Multiple Airlines
Mon 5/2512:55 am
SEA
- KIX
1 stop29h 45m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$638
This flugladen.de deal was found by Cheapflights users on 3/29. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/112:35 pm
ITM
- SEA
1 stop12h 40m
Multiple Airlines
Tue 5/261:30 pm
SEA
- ITM
1 stop14h 20m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$1,428
This oojo deal was found by Cheapflights users on 3/28. 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 5/1212:35 pm
KIX
- SEA
1 stop18h 20m
Multiple Airlines
Mon 5/1812:55 am
SEA
- KIX
1 stop29h 45m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$644
This Alaska Airlines deal was found by Cheapflights users on 3/28. 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.
Tue 5/122:35 pm
ITM
- SEA
1 stop12h 40m
Multiple Airlines
Tue 5/197:35 am
SEA
- ITM
2 stops32h 00m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$1,332
This oojo deal was found by Cheapflights users on 3/28. 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 5/122:35 pm
ITM
- SEA
2 stops17h 42m
Japan Airlines
Tue 5/198:43 am
SEA
- ITM
2 stops19h 07m
Japan Airlines
Deal found 3/28![Japan Airlines logo]()
$1,468
This Gotogate deal was found by Cheapflights users on 3/29. 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 5/137:45 pm
KIX
- SEA
1 stop35h 10m
Asiana Airlines
Tue 5/1912:55 am
SEA
- KIX
1 stop25h 35m
Asiana Airlines
Deal found 3/29![Asiana Airlines logo]()
$688
This Gotogate deal was found by Cheapflights users on 3/29. 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 5/137:35 am
KIX
- SEA
2 stops31h 05m
Multiple Airlines
Wed 5/2010:45 am
SEA
- KIX
1 stop13h 40m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$758
This Flightnetwork deal was found by Cheapflights users on 3/31. 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.
Fri 5/159:05 am
KIX
- SEA
1 stop21h 50m
Multiple Airlines
Thu 5/2112:55 am
SEA
- KIX
1 stop29h 35m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$657
This Gotogate deal was found by Cheapflights users on 3/31. 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.
Fri 5/1510:30 am
KIX
- SEA
1 stop20h 25m
Asiana Airlines
Thu 5/2112:55 am
SEA
- KIX
1 stop28h 40m
Asiana Airlines
Deal found 3/31![Asiana Airlines logo]()
$686
This Cheapflightsfares deal was found by Cheapflights users on 4/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/154:30 pm
ITM
- SEA
2 stops23h 29m
Multiple Airlines
Fri 5/221:30 pm
SEA
- ITM
1 stop14h 20m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$1,582
This Gotogate deal was found by Cheapflights users on 4/2. 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.
Sun 5/177:35 am
KIX
- SEA
2 stops26h 55m
Multiple Airlines
Sun 5/2410:45 am
SEA
- KIX
1 stop13h 40m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$825
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/172:35 pm
ITM
- SEA
1 stop12h 40m
Multiple Airlines
Sun 5/249:40 pm
SEA
- ITM
2 stops29h 15m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$1,485
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 April 2, 2026.
Search for one-way flight options from Osaka to Seattle. Find affordable one-way fares based on user searches. Data last updated April 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 5/127:35 am
KIX
- SEA
3 stops51h 00m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 5/137:35 am
KIX
- SEA
3 stops51h 00m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 5/147:35 am
KIX
- SEA
2 stops27h 00m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:35 am
KIX
- SEA
3 stops51h 00m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 5/67:35 am
KIX
- SEA
3 stops42h 47m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 5/117:35 am
KIX
- SEA
3 stops51h 00m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/179:00 pm
KIX
- SEA
2 stops51h 17m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$414
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/49:00 pm
KIX
- SEA
2 stops35h 18m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$418
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/89:00 pm
KIX
- SEA
2 stops39h 02m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$420
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:00 am
ITM
- SEA
3 stops50h 35m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$428
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 5/148:00 am
ITM
- SEA
2 stops26h 35m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$439
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/68:00 am
ITM
- SEA
3 stops42h 22m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$450
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 April 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $638 (Gotogate) |
One-way from | $386 (Kiwi.com) |
Popular in | September |
Cheapest in | May |
Average price | $779 |
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 2,558,603 searches. Data last updated April 2, 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 - SEA
KIXSEA
Osaka Kansai Intl
Wed 5/13
7:45 pm-2:55 pm
1 stop35h 10m
Seattle/Tacoma Intl
Tue 5/19
12:55 am-6:30 pm
1 stop25h 35m
$688
OsakaSeattle
KIX - SEA
KIXSEA
Osaka Kansai Intl
Wed 5/13
7:35 am-10:40 pm
2 stops31h 05m
Seattle/Tacoma Intl
Wed 5/20
10:45 am-4:25 pm
1 stop13h 40m
$758
OsakaSeattle
KIX - SEA
KIXSEA
Osaka Kansai Intl
Sun 5/17
7:35 am-10:40 pm
2 stops31h 05m
Seattle/Tacoma Intl
Sun 5/24
5:50 am-4:25 pm
1 stop18h 35m
$825
OsakaSeattle
KIX - SEA
KIXSEA
Osaka Kansai Intl
Sat 8/22
6:00 pm-9:52 am
1 stop31h 52m
Seattle/Tacoma Intl
Fri 8/28
5:40 am-4:25 pm
1 stop18h 45m
$871
OsakaSeattle
KIX - SEA
KIXSEA
Osaka Kansai Intl
Mon 8/3
1:10 pm-6:32 pm
2 stops45h 22m
Seattle/Tacoma Intl
Sun 8/16
1:55 am-6:05 pm
1 stop24h 10m
$1,046
OsakaSeattle
ITM - SEA
ITMSEA
Osaka Itami
Sat 8/22
2:00 pm-9:07 pm
2 stops23h 07m
Seattle/Tacoma Intl
Fri 8/28
1:30 pm-7:50 pm
1 stop14h 20m
$1,070
OsakaSeattle
KIX - SEA
KIXSEA
Osaka Kansai Intl
Fri 7/24
1:25 pm-4:35 pm
1 stop19h 10m
Seattle/Tacoma Intl
Thu 8/6
1:15 am-12:15 pm
1 stop19h 00m
$1,078
OsakaSeattle
KIX - SEA
KIXSEA
Osaka Kansai Intl
Fri 7/24
7:05 pm-7:07 am
2 stops28h 02m
Seattle/Tacoma Intl
Thu 8/20
8:26 pm-12:50 pm
2 stops24h 24m
$1,111
OsakaSeattle
KIX - SEA
KIXSEA
Osaka Kansai Intl
Fri 7/24
10:30 am-3:25 pm
1 stop20h 55m
Seattle/Tacoma Intl
Thu 8/6
12:55 am-9:00 am
1 stop16h 05m
$1,153
OsakaSeattle
KIX - SEA
KIXSEA
Osaka Kansai Intl
Fri 7/24
1:10 pm-11:59 pm
2 stops26h 49m
Seattle/Tacoma Intl
Thu 8/6
1:55 am-6:05 pm
1 stop24h 10m
$1,179
Showing 1-10 of 39 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 April.
| 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?
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 April 2, 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.
Overall
8.9
Comfort
8.9
Crew
9.2
Food
8.7
Boarding
9.0
Entertainment
8.8
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Overall
8.9
Comfort
8.9
Crew
9.2
Food
8.7
Boarding
9.0
Entertainment
8.8
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
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
Tacoma
Ocean Shores
Olympia
Kent
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Tukwila
Renton
Puyallup
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
Aberdeen
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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 2,558,603 searches. Data last updated April 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$794 | Average$1,711 | FlexibilityNo cancel fee | On-time67% |