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Cheap flights from Seattle to Charleston

7 nonstop flights a week, 1 of them today. Operated by Alaska Airlines, about 5h 7m in the air, 2,423 mi (3,900 km). Tickets from $136, nonstop from $203.

Flights from Seattle to Charleston

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

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Best fares from Seattle to Charleston

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $136 30 December 2026, with a connection Cheapest nonstop $203 30 December 2026, Alaska Airlines Cheapest month December 2026 tickets from $136

Seattle to Charleston at a glance

flight time, from 5h 4m to 5h 18m
5h 7m
straight-line distance
2,423 mi (3,900 km)
flights a week
7
flight today
1
first and last departure
08:38 - 09:14
lowest price, with a connection, 30 December
$136
lowest nonstop price
$203
airline
1

Seattle to Charleston flight schedule

7 flights a week, 1 today, 4 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
AS 787
Alaska Airlines
08:38 Seattle-Tacoma International
16:55
5h 17m
Daily
Boeing 737-800
AS 787
Alaska Airlines
09:14 Seattle-Tacoma International
17:20
5h 6m
Mon, Fri, Sat, Sun
Boeing 737-900

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 1 December.

FlightDepartsArrivesDurationDaysAircraft
AS 787
Alaska Airlines
09:11 Seattle-Tacoma International
17:17
5h 6m
Seasonal
Boeing 737
AS 787
Alaska Airlines
09:23 Seattle-Tacoma International
17:30
5h 7m
Seasonal
Boeing 737-900
AS 787
Alaska Airlines
09:15 Seattle-Tacoma International
17:19
5h 4m
Seasonal
Boeing 737-900
AS 787
Alaska Airlines
09:00 Seattle-Tacoma International
17:18
5h 18m
Seasonal
Boeing 737-900

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Charleston is 3 hours ahead of Seattle. The search shows seat availability and the price for your date.

Airlines flying Seattle to Charleston

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

Alaska Airlines7 a week

Airports

Where flights from Seattle to Charleston depart and land

Departure from Seattle

Seattle-Tacoma International SEA

7 flights a week, 11 mi (18 km) from the city centre

About the airport

Frequently asked questions

How long is the flight from Seattle to Charleston?
A nonstop flight takes 5 hours 7 minutes on average, from 5h 4m to 5h 18m depending on the flight.
How far is Charleston from Seattle?
2,423 mi (3,900 km) in a straight line between the cities.
Which airlines fly nonstop from Seattle to Charleston?
Alaska Airlines (7 a week).
How many flights a day are there from Seattle to Charleston?
1 flight today and 7 a week, about 1 a day on average.
When are the first and last flights from Seattle to Charleston?
The first departure is at 08:38 (AS787), the last at 09:14 (AS787). Local time.
What is the cheapest upcoming date to fly from Seattle to Charleston?
30 December 2026 (Wednesday): from $136 one way, with a connection, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from Seattle to Charleston?
Alaska Airlines: nonstop tickets from $203 on 30 December by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between Seattle and Charleston?
Charleston is 3 hours ahead of Seattle. Schedule times on this page are local to each airport.
Which Seattle airport do flights to Charleston leave from?
Seattle-Tacoma International (7 a week).