--- title: "Seattle (SEA) to Sitka (SIT) flights: who flies it" description: "Alaska Airlines flies nonstop from SEA to SIT, about 16 flights a week, covering 857 miles. See confirmed upgrade and award space by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/sea-sit" url: "https://2lnr.com/routes/sea-sit.md" date_modified: "2026-10-18T05:10:47Z" --- # Seattle to Sitka (SEA-SIT): nonstop upgrade & award space Alaska Airlines flies nonstop between Seattle (SEA) and Sitka (SIT), roughly 16 times a week. In the timetable below it flies as AS 91 and AS 316, scheduled at 2h 27m to 2h 28m for the 857 miles. 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 confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 23, 2026. See SEA to SIT on the interactive map [Get started free](https://2lnr.com/login) 16 Flights a week, 4-week average 2h 27m to 2h 28m Scheduled flight time 857 mi Nonstop distance Free To get started ## Seattle to Sitka flight schedule Scheduled nonstop departures for SEA to SIT starting October 23, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Seattle (SEA) to Sitka (SIT) | Date | Flight | Airline | Departs SEA | Arrives SIT | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, May 13 | AS 316 | Alaska Airlines, Inc. | 11:26 | 12:54 | 2h 28m | [Boeing 737-900](https://2lnr.com/seatmaps/as/737-900.md) | | Thu, May 13 | AS 91 | Alaska Airlines, Inc. | 21:15 | 22:42 | 2h 27m | Boeing 737-900 | | Fri, May 14 | AS 316 | Alaska Airlines, Inc. | 11:26 | 12:54 | 2h 28m | Boeing 737-900 | | Fri, May 14 | AS 91 | Alaska Airlines, Inc. | 21:15 | 22:42 | 2h 27m | Boeing 737-900 | | Sat, May 15 | AS 316 | Alaska Airlines, Inc. | 11:26 | 12:54 | 2h 28m | Boeing 737-900 | | Sat, May 15 | AS 91 | Alaska Airlines, Inc. | 21:15 | 22:42 | 2h 27m | Boeing 737-900 | | Sun, May 16 | AS 316 | Alaska Airlines, Inc. | 11:26 | 12:54 | 2h 28m | Boeing 737-900 | | Sun, May 16 | AS 91 | Alaska Airlines, Inc. | 21:15 | 22:42 | 2h 27m | Boeing 737-900 | | Mon, May 17 | AS 316 | Alaska Airlines, Inc. | 11:26 | 12:54 | 2h 28m | Boeing 737-900 | | Mon, May 17 | AS 91 | Alaska Airlines, Inc. | 21:15 | 22:42 | 2h 27m | Boeing 737-900 | | Tue, May 18 | AS 316 | Alaska Airlines, Inc. | 11:26 | 12:54 | 2h 28m | Boeing 737-900 | | Tue, May 18 | AS 91 | Alaska Airlines, Inc. | 21:15 | 22:42 | 2h 27m | Boeing 737-900 | | Wed, May 19 | AS 316 | Alaska Airlines, Inc. | 11:26 | 12:54 | 2h 28m | Boeing 737-900 | | Wed, May 19 | AS 91 | Alaska Airlines, Inc. | 21:15 | 22:42 | 2h 27m | Boeing 737-900 | Showing all 14 scheduled SEA to SIT departures across 7 days with service, starting October 23, 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 SIT date on the interactive map ## Aircraft on the Seattle to Sitka nonstop Alaska Airlines flies the [Boeing 737-900](https://2lnr.com/seatmaps/as/737-900.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 SIT departures 2LNR tracks confirmed upgrade and award space on Alaska Airlines, segment by segment and date by date. Open the calendar for Seattle to Sitka 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 SIT 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 SIT on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Seattle to Sitka nonstop Carriers operating SEA to SIT 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 SIT on the interactive map → ## Frequently asked questions about SEA to SIT **How long is the flight from Seattle (SEA) to Sitka (SIT)?** Scheduled flight times from Seattle (SEA) to Sitka (SIT) run from 2h 27m to 2h 28m across the departures in the schedule table on this page. The nonstop covers about 857 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from SEA to SIT?** Alaska Airlines is currently the only airline flying SEA to SIT nonstop. 2LNR tracks confirmed upgrade and award space on Alaska Airlines. **How many flights a week are there from SEA to SIT?** About 16 nonstop flights a week run between Seattle (SEA) and Sitka (SIT) in the current schedule, operated by Alaska Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from SEA to SIT depart?** Scheduled SEA to SIT nonstops in the next 7 days with service leave between 11:26 and 21:15, local time at Seattle. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate SEA to SIT nonstop?** In the schedule table on this page, SEA to SIT nonstops fly as AS 91 and AS 316 on Alaska Airlines. The table lists each departure by date with its times and aircraft. **How do I check upgrade or award availability on SEA to SIT?** Open the SEA to SIT 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 [SIT to SEA upgrade and award space](https://2lnr.com/routes/sit-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 Sitka (SIT)](https://2lnr.com/routes/sit.md). Nonstops from Seattle (SEA) to other airports within 150 miles of Sitka (SIT): - [Seattle (SEA) to Juneau (JNU)](https://2lnr.com/routes/sea-jnu.md), 94 miles from SIT 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 SIT 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)