Expect long security queues at IAD, especially in the afternoon and evening. Plan extra time for check-in and security.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $125 (Mytrip) |
One-way from | $53 (Trip.com) |
Popular in | November |
Cheapest in | July |
Average price | $359 |
Good round-trip deal | $230 or less |
Good one-way deal | $170 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Charleston
IAD - CHS
IADCHS
Washington, D.C. Dulles Intl
Thu 1/22
12:55 pm-2:48 pm
Nonstop1h 53m
Charleston
Mon 1/26
2:58 pm-4:30 pm
Nonstop1h 32m
Washington, D.C.Charleston
DCA - CHS
DCACHS
Washington, D.C. Reagan-National
Thu 1/22
11:39 am-1:34 pm
Nonstop1h 55m
Charleston
Sat 1/24
2:04 pm-3:44 pm
Nonstop1h 40m
Washington, D.C.Charleston
DCA - CHS
DCACHS
Washington, D.C. Reagan-National
Sat 1/24
6:15 pm-11:55 pm
1 stop5h 40m
Charleston
Tue 1/27
5:25 am-9:10 am
1 stop3h 45m
Washington, D.C.Charleston
IAD - CHS
IADCHS
Washington, D.C. Dulles Intl
Fri 12/19
1:20 pm-3:22 pm
Nonstop2h 02m
Charleston
Tue 12/23
10:00 am-11:40 am
Nonstop1h 40m
BaltimoreCharleston
BWI - CHS
BWICHS
Baltimore/Washington
Sun 2/1
4:44 pm-5:36 pm
3 stops24h 52m
Charleston
Sat 2/7
6:35 pm-11:36 pm
1 stop5h 01m
Washington, D.C.Charleston
IAD - CHS
IADCHS
Washington, D.C. Dulles Intl
Thu 1/22
6:00 am-11:48 am
1 stop5h 48m
Charleston
Sun 1/25
6:00 am-11:43 am
1 stop5h 43m
Washington, D.C.Charleston
IAD - CHS
IADCHS
Washington, D.C. Dulles Intl
Fri 2/6
12:23 pm-5:11 pm
1 stop4h 48m
Charleston
Sun 2/8
6:00 am-11:43 am
1 stop5h 43m
Washington, D.C.Charleston
IAD - CHS
IADCHS
Washington, D.C. Dulles Intl
Fri 1/9
6:00 am-10:59 am
1 stop4h 59m
Charleston
Thu 1/15
7:00 pm-11:37 pm
1 stop4h 37m
Washington, D.C.Charleston
IAD - CHS
IADCHS
Washington, D.C. Dulles Intl
Wed 1/14
12:09 pm-4:06 pm
1 stop3h 57m
Charleston
Wed 1/21
3:28 pm-8:45 pm
1 stop5h 17m
Washington, D.C.Charleston
IAD - CHS
IADCHS
Washington, D.C. Dulles Intl
Thu 1/8
12:29 pm-5:43 pm
1 stop5h 14m
Charleston
Sun 1/18
5:18 pm-11:34 pm
1 stop6h 16m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
The best time to book flights from Washington, D.C. to Charleston is 75 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Charleston (average of $52). Flying from Washington, D.C. to Charleston in March is currently the most expensive (average of $163). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
One of the essential ways to save on airfare from Washington, D.C. to Charleston is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 14% on airfare.
Travelers seeking maximum savings on their Washington, D.C. to Charleston flight should consider departing on Monday at noon when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from WAS to CHS are scheduled on a Monday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).
Boarding
Entertainment
Overall
Crew
Comfort
Food
Reviews
William Drew,Nov 2025
SJC - HNL
Boarding
Entertainment
Overall
Crew
Comfort
Food
Reviews
William Drew,Nov 2025
SJC - HNL
Boarding
Entertainment
Overall
Crew
Comfort
Food
Reviews
William Drew,Nov 2025
SJC - HNL
Boarding
Entertainment
Overall
Crew
Comfort
Food
Reviews
William Drew,Nov 2025
SJC - HNL
Boarding
Entertainment
Overall
Crew
Comfort
Food
Reviews
William Drew,Nov 2025
SJC - HNL
Boarding
Entertainment
Overall
Crew
Comfort
Food
Reviews
William Drew,Nov 2025
SJC - HNL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$152 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$122 | Average$278 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$189 | Average$344 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$189 | Average$314 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$211 | Average$348 | FlexibilityNo cancel fee | On-time63% |