--- title: "Baltimore (BWI) to Seattle (SEA) flights: who flies it" description: "Alaska Airlines flies nonstop from BWI to SEA, about 12 flights a week. See confirmed upgrade and award space by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/bwi-sea" url: "https://2lnr.com/routes/bwi-sea.md" date_modified: "2026-10-18T05:10:47Z" --- # Baltimore to Seattle (BWI-SEA): nonstop upgrade & award space Alaska Airlines flies the BWI to SEA nonstop about 12 times a week. In the timetable below it flies as AS 379 and AS 786, scheduled at 5h 44m to 5h 45m for the 2,329 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 22, 2026. See BWI to SEA on the interactive map [Get started free](https://2lnr.com/login) 12 Flights a week, 4-week average 5h 44m to 5h 45m Scheduled flight time 2,329 mi Nonstop distance Free To get started ## Baltimore to Seattle flight schedule Scheduled nonstop departures for BWI to SEA starting October 21, 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 Baltimore (BWI) to Seattle (SEA) | Date | Flight | Airline | Departs BWI | Arrives SEA | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Wed, Oct 21 | AS 786 | Alaska Airlines, Inc. | 07:02 | 09:46 | 5h 44m | [Boeing 737 MAX 9](https://2lnr.com/seatmaps/as/737-max-9.md) | | Wed, Oct 21 | AS 379 | Alaska Airlines, Inc. | 18:15 | 21:00 | 5h 45m | Boeing 737 MAX 9 | | Thu, Oct 22 | AS 786 | Alaska Airlines, Inc. | 07:02 | 09:46 | 5h 44m | Boeing 737 MAX 9 | | Thu, Oct 22 | AS 379 | Alaska Airlines, Inc. | 18:15 | 21:00 | 5h 45m | Boeing 737 MAX 9 | | Fri, Oct 23 | AS 786 | Alaska Airlines, Inc. | 07:02 | 09:46 | 5h 44m | Boeing 737 MAX 9 | | Fri, Oct 23 | AS 379 | Alaska Airlines, Inc. | 18:15 | 21:00 | 5h 45m | Boeing 737 MAX 9 | | Sat, Oct 24 | AS 786 | Alaska Airlines, Inc. | 07:02 | 09:46 | 5h 44m | [Boeing 737-900](https://2lnr.com/seatmaps/as/737-900.md) | | Sun, Oct 25 | AS 786 | Alaska Airlines, Inc. | 07:02 | 09:46 | 5h 44m | Boeing 737 MAX 9 | | Sun, Oct 25 | AS 379 | Alaska Airlines, Inc. | 18:15 | 21:00 | 5h 45m | Boeing 737 MAX 9 | | Mon, Oct 26 | AS 786 | Alaska Airlines, Inc. | 07:02 | 09:46 | 5h 44m | Boeing 737-900 | | Mon, Oct 26 | AS 379 | Alaska Airlines, Inc. | 18:15 | 21:00 | 5h 45m | Boeing 737 MAX 9 | | Tue, Oct 27 | AS 786 | Alaska Airlines, Inc. | 07:02 | 09:46 | 5h 44m | Boeing 737 MAX 9 | | Tue, Oct 27 | AS 379 | Alaska Airlines, Inc. | 18:15 | 21:00 | 5h 45m | [Boeing 737-800](https://2lnr.com/seatmaps/as/737-800.md) | Showing all 13 scheduled BWI to SEA departures across 7 days with service, starting October 21, 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 BWI to SEA date on the interactive map ## Aircraft on the Baltimore to Seattle nonstop Alaska Airlines flies the departures in the schedule table on this page with the [Boeing 737 MAX 9](https://2lnr.com/seatmaps/as/737-max-9.md), the [Boeing 737-900](https://2lnr.com/seatmaps/as/737-900.md), and the [Boeing 737-800](https://2lnr.com/seatmaps/as/737-800.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Confirmed upgrade & award space on BWI to SEA departures 2LNR tracks confirmed upgrade and award space on Alaska Airlines, segment by segment and date by date. Open the calendar for Baltimore to Seattle to see which departures have space, the next 14 days free on every product and the full horizon on Pro. Alaska Airlines award space was open on 8 of the 14 Baltimore to Seattle departure dates from October 19 to November 1 that 2LNR checked in the 7 days to October 19, 2026. ### See real availability Confirmed upgrade or award seats by date on the BWI to SEA 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 BWI to SEA on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Baltimore to Seattle nonstop Carriers operating BWI to SEA 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 BWI to SEA on the interactive map → ## Frequently asked questions about BWI to SEA **How long is the flight from Baltimore (BWI) to Seattle (SEA)?** Scheduled flight times from Baltimore (BWI) to Seattle (SEA) run from 5h 44m to 5h 45m across the departures in the schedule table on this page. The nonstop covers about 2,329 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from BWI to SEA?** Alaska Airlines is currently the only airline flying BWI to SEA nonstop. 2LNR tracks confirmed upgrade and award space on Alaska Airlines. **How many flights a week are there from BWI to SEA?** About 12 nonstop flights a week run between Baltimore (BWI) and Seattle (SEA) 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 BWI to SEA depart?** Scheduled BWI to SEA nonstops in the next 7 days with service leave between 07:02 and 18:15, local time at Baltimore. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate BWI to SEA nonstop?** In the schedule table on this page, BWI to SEA nonstops fly as AS 379 and AS 786 on Alaska Airlines. The table lists each departure by date with its times and aircraft. **How do I check upgrade or award availability on BWI to SEA?** Open the BWI to SEA 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 [SEA to BWI upgrade and award space](https://2lnr.com/routes/sea-bwi.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 Baltimore (BWI)](https://2lnr.com/routes/bwi.md), or [every route from Seattle (SEA)](https://2lnr.com/routes/sea.md). Nonstops to Seattle (SEA) from other airports within 150 miles of Baltimore (BWI): - [Washington (DCA) to Seattle (SEA)](https://2lnr.com/routes/dca-sea.md), 30 miles from BWI - [Washington (IAD) to Seattle (SEA)](https://2lnr.com/routes/iad-sea.md), 45 miles from BWI - [Philadelphia (PHL) to Seattle (SEA)](https://2lnr.com/routes/phl-sea.md), 90 miles from BWI Nonstops from Baltimore (BWI) to other airports within 150 miles of Seattle (SEA): - [Baltimore (BWI) to Portland (PDX)](https://2lnr.com/routes/bwi-pdx.md), 129 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 BWI to SEA 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)