FFL Helper
Charleston CHS
$116
DCA → CHS · Southwest Airlines
FFL Helper / Washington / Charleston / September 2026
WAS → CHS · 2026-09
Washington to Charleston in September 2026
Dated one-way fares from Washington to Charleston in September 2026. Use the calendar to see which days are cheaper.
Lowest this month
$116
Highest this month
$116
Sample fare
$116
Airports
DCA–CHS
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Other months: August 2026 · September 2026 · Full route
September 2026 price calendar
September 2026
From $116
Mon
Tue
Wed
Thu
Fri
Sat
Sun
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2
3
4
5
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7
8
9
10
$116
11
12
13
14
15
16
17
18
19
20
21
22
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Dated fares
Booking WAS to CHS in September 2026
This page is only September 2026 on the Washington to Charleston route. Open the full route if you want the next months side by side.
Prices move as seats sell. Confirm the live itinerary before you book Washington to Charleston in September 2026.