--- title: "Seattle (SEA) to Osaka (KIX) flights: who flies it" description: "Alaska Airlines flies nonstop from SEA to KIX, about 1 flight a week, covering 5,028 miles. See confirmed upgrade and award space by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/sea-kix" url: "https://2lnr.com/routes/sea-kix.md" date_modified: "2026-10-19T22:57:08Z" --- # Seattle to Osaka (SEA-KIX): nonstop upgrade & award space Alaska Airlines flies nonstop from Seattle (SEA) to Osaka (KIX) just once a week. A long sector flown once a week carries its premium cabin on only a few flights, so each date on the calendar is worth checking. 2LNR checks confirmed upgrade and award space on Alaska Airlines flights on this route, so you can see which departures have space before you book. Schedule last changed October 19, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 22, 2026. See SEA to KIX on the interactive map [Get started free](https://2lnr.com/login) 1 Flights a week, 4-week average 5,028 mi Nonstop distance Free To get started ## Seattle to Osaka flight schedule Scheduled nonstop departures for SEA to KIX starting October 22, 2026. The most recent change we recorded to this route's schedule was on October 19, 2026, and a settled schedule can go a long time without one. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Seattle (SEA) to Osaka (KIX) | Date | Flight | Airline | Departs SEA | Arrives KIX | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, May 13 | AS 867 | Alaska Airlines, Inc. | 12:10 | 16:00 | — | [Airbus A330-200](https://2lnr.com/seatmaps/as/a330-200.md) | | Sun, May 16 | AS 867 | Alaska Airlines, Inc. | 12:10 | 16:00 | — | Airbus A330-200 | | Sun, May 23 | AS 867 | Alaska Airlines, Inc. | 12:10 | 16:00 | — | Airbus A330-200 | | Sun, May 30 | AS 867 | Alaska Airlines, Inc. | 12:10 | 16:00 | — | Airbus A330-200 | | Sun, Jun 6 | AS 867 | Alaska Airlines, Inc. | 12:10 | 16:00 | — | Airbus A330-200 | | Sun, Jun 13 | AS 867 | Alaska Airlines, Inc. | 12:10 | 16:00 | — | Airbus A330-200 | | Sun, Jun 20 | AS 867 | Alaska Airlines, Inc. | 12:10 | 16:00 | — | Airbus A330-200 | Showing all 7 scheduled SEA to KIX departures across 7 days with service, starting October 22, 2026. Later dates are on the interactive map. Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every SEA to KIX date on the interactive map ## Aircraft on the Seattle to Osaka nonstop Alaska Airlines flies the [Airbus A330-200](https://2lnr.com/seatmaps/as/a330-200.md) on every departure in the schedule table on this page. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Confirmed upgrade & award space on SEA to KIX departures 2LNR tracks confirmed upgrade and award space on Alaska Airlines, segment by segment and date by date. Open the calendar for Seattle to Osaka to see which departures have space, the next 14 days free on every product and the full horizon on Pro. ### See real availability Confirmed upgrade or award seats by date on the SEA to KIX departures 2LNR tracks, checked against live inventory so you know what's open before you book. ### Set an alert Premium inventory turns over fast. Watch this route on Pro and 2LNR notifies you when space appears on a date you're tracking. ### Plan on the map See SEA to KIX on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Seattle to Osaka nonstop Carriers operating SEA to KIX nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date. - [Alaska Airlines (AS) route map](https://2lnr.com/routes/airlines/as.md)\ [The aircraft AS flies](https://2lnr.com/seatmaps/as.md) See SEA to KIX on the interactive map → ## Frequently asked questions about SEA to KIX **How far is Osaka from Seattle?** SEA to KIX covers about 5,028 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times. **Which airlines fly nonstop from SEA to KIX?** Alaska Airlines is currently the only airline flying SEA to KIX nonstop. 2LNR tracks confirmed upgrade and award space on Alaska Airlines. **How often does SEA to KIX operate?** The SEA to KIX nonstop currently runs once a week, on Alaska Airlines. Thin schedules like this change by season, and on Pro an alert will catch anything added. **What time do flights from SEA to KIX depart?** In the next 7 days with service, every scheduled SEA to KIX nonstop leaves at 12:10 local time at Seattle. The schedule table on this page lists each departure by date. **Which flights operate SEA to KIX nonstop?** Alaska Airlines flies AS 867 nonstop from Seattle (SEA) to Osaka (KIX), the only flight number in the schedule table on this page. The table lists each date with its departure and arrival times and aircraft. **How do I check upgrade or award availability on SEA to KIX?** Open the SEA to KIX route on the interactive map or the matrix to see confirmed upgrade and award space by date on Alaska Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens. Flying the other way? See [KIX to SEA upgrade and award space](https://2lnr.com/routes/kix-sea.md). Award seats rather than schedules? See [Alaska Airlines award availability](https://2lnr.com/awards/as.md). Looking beyond this route? See [every route from Seattle (SEA)](https://2lnr.com/routes/sea.md), or [every route from Osaka (KIX)](https://2lnr.com/routes/kix.md). Nonstops to Osaka (KIX) from other airports within 150 miles of Seattle (SEA): - [Vancouver (YVR) to Osaka (KIX)](https://2lnr.com/routes/yvr-kix.md), 127 miles from SEA Distances are great-circle between the airports, not driving distance. - [How Alaska upgrades clear](https://2lnr.com/about/as/upgrades.md) - [How to read award availability by date](https://2lnr.com/guides/award-availability.md) ## Never miss SEA to KIX upgrade or award space See what's open by date on this route, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)