Direct flights from Seattle to Charleston
All flights from SEA to CHS non-stop. There are direct flights from Seattle Tacoma International (SEA), Washington, USA to Charleston Afb International (CHS), South Carolina, USA with Alaska Airlines. 7 weekly departures are currently scheduled on this route. Departure times range from 08:35 to 09:45 depending on the schedule period. The flight distance is 2424 miles (3900 km). Flight time ranges from 5 hours and 18 minutes to 5 hours and 27 minutes.
Seattle
, USA
Flight schedule from Seattle to Charleston with Alaska Airlines
This is a weekly direct flight schedule for Alaska Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-06-29
Seattle to Charleston scheduled departures
Select a date to see every published non-stop departure between SEA and CHS.
SEA - CHS route facts
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Distance2424 miles (3900 km)
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Flight time5 hours and 18 minutes to 5 hours and 27 minutes
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Airline Alaska Airlines
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Airline alliancesoneworld
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CabinsEconomy Business First
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Hub airportsSEA (Primary hub.)
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AircraftBoeing 737-900 (winglets) Passenger/BBJ3, Boeing 737MAX 8 Passenger, Boeing 737MAX 9 Passenger and Boeing 737-800 (winglets) Passenger/BBJ2
