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

Alaska Airlines flies the CHS to SEA nonstop about 7 times a week. In the timetable below it flies as AS 787, scheduled at 5h 56m 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 56m
Scheduled flight time
2,410 mi
Nonstop distance
Free
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Charleston to Seattle flight schedule

Scheduled nonstop departures for CHS 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.

Schedule data dated .

Scheduled nonstop departures from Charleston (CHS) to Seattle (SEA)
Date Flight Airline Departs CHS Arrives SEA Duration Aircraft
AS 787Alaska Airlines, Inc.18:5921:555h 56mBoeing 737 MAX 9
AS 787Alaska Airlines, Inc.18:5921:555h 56mBoeing 737 MAX 9
AS 787Alaska Airlines, Inc.18:5921:555h 56mBoeing 737 MAX 9
AS 787Alaska Airlines, Inc.18:5921:555h 56mBoeing 737-800
AS 787Alaska Airlines, Inc.18:5921:555h 56mBoeing 737 MAX 9
AS 787Alaska Airlines, Inc.18:5921:555h 56mBoeing 737 MAX 9
AS 787Alaska Airlines, Inc.18:5921:555h 56mBoeing 737 MAX 9

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

Aircraft on the Charleston to Seattle 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 CHS to SEA departures

2LNR tracks confirmed upgrade and award space on Alaska Airlines, segment by segment and date by date. Open the calendar for Charleston 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 6 of the 14 Charleston 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 CHS 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 CHS to SEA on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Charleston to Seattle nonstop

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

See CHS to SEA on the interactive map →

Frequently asked questions about CHS to SEA

How long is the flight from Charleston (CHS) to Seattle (SEA)?
AS 787 is scheduled at 5h 56m from Charleston (CHS) to Seattle (SEA) 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 CHS to SEA?
Alaska Airlines is currently the only airline flying CHS to SEA nonstop. 2LNR tracks confirmed upgrade and award space on Alaska Airlines.
How many flights a week are there from CHS to SEA?
About 7 nonstop flights a week run between Charleston (CHS) 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 CHS to SEA depart?
In the next 7 days with service, every scheduled CHS to SEA nonstop leaves at 18:59 local time at Charleston. The schedule table on this page lists each departure by date.
Which flights operate CHS to SEA nonstop?
Alaska Airlines flies AS 787 nonstop from Charleston (CHS) to Seattle (SEA), 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 CHS to SEA?
Open the CHS 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.

Never miss CHS 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.

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