Seattle to Charleston (SEA-CHS): nonstop upgrade & award space

Alaska Airlines flies the SEA to CHS nonstop about 7 times a week. In the timetable below it flies as AS 787, scheduled at 5h 22m for the 2,410 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 . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

Updated .

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7
Flights a week, 4-week average
5h 22m
Scheduled flight time
2,410 mi
Nonstop distance
Free
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Seattle to Charleston flight schedule

Scheduled nonstop departures for SEA to CHS starting October 22, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Seattle (SEA) to Charleston (CHS)
Date Flight Airline Departs SEA Arrives CHS Duration Aircraft
AS 787Alaska Airlines, Inc.09:3317:555h 22mBoeing 737 MAX 9
AS 787Alaska Airlines, Inc.09:3317:555h 22mBoeing 737 MAX 9
AS 787Alaska Airlines, Inc.09:3317:555h 22mBoeing 737-800
AS 787Alaska Airlines, Inc.09:3317:555h 22mBoeing 737 MAX 9
AS 787Alaska Airlines, Inc.09:3317:555h 22mBoeing 737 MAX 9
AS 787Alaska Airlines, Inc.09:3317:555h 22mBoeing 737 MAX 9
AS 787Alaska Airlines, Inc.09:3317:555h 22mBoeing 737-800

Showing all 7 scheduled SEA to CHS 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 CHS date on the interactive map

Aircraft on the Seattle to Charleston nonstop

Alaska Airlines flies the departures in the schedule table on this page with the Boeing 737 MAX 9 and the Boeing 737-800. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure.

Confirmed upgrade & award space on SEA to CHS departures

2LNR tracks confirmed upgrade and award space on Alaska Airlines, segment by segment and date by date. Open the calendar for Seattle to Charleston 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 3 of the 14 Seattle to Charleston 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 SEA to CHS 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 CHS on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Seattle to Charleston nonstop

Carriers operating SEA to CHS nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date.

See SEA to CHS on the interactive map →

Frequently asked questions about SEA to CHS

How long is the flight from Seattle (SEA) to Charleston (CHS)?
AS 787 is scheduled at 5h 22m from Seattle (SEA) to Charleston (CHS) on every departure in the schedule table on this page. The nonstop covers about 2,410 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book.
Which airlines fly nonstop from SEA to CHS?
Alaska Airlines is currently the only airline flying SEA to CHS nonstop. 2LNR tracks confirmed upgrade and award space on Alaska Airlines.
How many flights a week are there from SEA to CHS?
About 7 nonstop flights a week run between Seattle (SEA) and Charleston (CHS) 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 CHS depart?
In the next 7 days with service, every scheduled SEA to CHS nonstop leaves at 09:33 local time at Seattle. The schedule table on this page lists each departure by date.
Which flights operate SEA to CHS nonstop?
Alaska Airlines flies AS 787 nonstop from Seattle (SEA) to Charleston (CHS), 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 CHS?
Open the SEA to CHS 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.

Never miss SEA to CHS 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.

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