For early flights, arrive early at CHS as security lines can be long during morning departures.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $189 (United Airlines) |
One-way from | $93 (Kiwi.com) |
Popular in | August |
Cheapest in | January |
Average price | $261 |
Good round-trip deal | $281 or less |
Good one-way deal | $167 or less |
Fly from
Fly to
Route
Depart
Return
Price
CharlestonWashington, D.C.
CHS - IAD
CHSIAD
Charleston
Fri 1/23
7:45 pm-9:25 pm
Nonstop1h 40m
Washington, D.C. Dulles Intl
Fri 1/30
12:55 pm-2:48 pm
Nonstop1h 53m
CharlestonWashington, D.C.
CHS - IAD
CHSIAD
Charleston
Mon 11/24
2:52 pm-4:25 pm
Nonstop1h 33m
Washington, D.C. Dulles Intl
Thu 11/27
8:20 am-10:08 am
Nonstop1h 48m
CharlestonWashington, D.C.
CHS - IAD
CHSIAD
Charleston
Tue 1/6
7:45 pm-9:25 pm
Nonstop1h 40m
Washington, D.C. Dulles Intl
Mon 1/12
5:10 pm-7:04 pm
Nonstop1h 54m
CharlestonWashington, D.C.
CHS - IAD
CHSIAD
Charleston
Thu 11/27
10:40 am-2:39 pm
1 stop3h 59m
Washington, D.C. Dulles Intl
Thu 12/4
5:59 pm-9:48 pm
1 stop3h 49m
CharlestonWashington, D.C.
CHS - IAD
CHSIAD
Charleston
Thu 1/8
1:12 pm-5:17 pm
1 stop4h 05m
Washington, D.C. Dulles Intl
Sun 1/11
6:20 am-12:07 pm
1 stop5h 47m
CharlestonWashington, D.C.
CHS - IAD
CHSIAD
Charleston
Thu 12/11
12:51 pm-5:00 pm
1 stop4h 09m
Washington, D.C. Dulles Intl
Thu 12/18
11:06 am-6:16 pm
1 stop7h 10m
CharlestonWashington, D.C.
CHS - IAD
CHSIAD
Charleston
Tue 1/6
5:25 am-10:54 am
1 stop5h 29m
Washington, D.C. Dulles Intl
Mon 1/12
9:00 am-1:37 pm
1 stop4h 37m
CharlestonWashington, D.C.
CHS - IAD
CHSIAD
Charleston
Fri 12/5
6:31 pm-12:12 am
1 stop5h 41m
Washington, D.C. Dulles Intl
Sun 1/4
6:00 am-11:36 am
1 stop5h 36m
CharlestonWashington, D.C.
CHS - IAD
CHSIAD
Charleston
Sat 1/10
11:29 am-4:46 pm
1 stop5h 17m
Washington, D.C. Dulles Intl
Tue 1/13
9:00 am-4:06 pm
1 stop7h 06m
CharlestonWashington, D.C.
CHS - IAD
CHSIAD
Charleston
Wed 12/3
5:25 am-11:33 am
1 stop6h 08m
Washington, D.C. Dulles Intl
Sat 12/6
3:38 pm-9:45 pm
1 stop6h 07m
| 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 Charleston to Washington, D.C. Dulles Intl Airport is 51 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, May is the cheapest month in which you can book a flight from Charleston to Washington, D.C. Dulles Intl Airport (average of $47). Flying from Charleston to Washington, D.C. Dulles Intl Airport in September is currently the most expensive (average of $195). 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.
When flying from Charleston to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 74% versus a flight at noon.
Entertainment
Crew
Food
Boarding
Comfort
Overall
Reviews
Sebrena,Oct 2025
IAH - RSW
Entertainment
Crew
Food
Boarding
Comfort
Overall
Reviews
Sebrena,Oct 2025
IAH - RSW
Entertainment
Crew
Food
Boarding
Comfort
Overall
Reviews
Sebrena,Oct 2025
IAH - RSW
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$189 | Average$302 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$259 | Average$268 | FlexibilityNo cancel fee | On-time71% |