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 | $99 (Kiwi.com) | 
| Popular in | August | 
| Cheapest in | May | 
| Average price | $323 | 
| Good round-trip deal | $327 or less | 
| Good one-way deal | $188 or less | 
Fly from
Fly to
Route
Depart
Return
Price
CharlestonWashington, D.C.
CHS - IAD
CHSIAD
Charleston
Fri 11/21
2:52 pm-4:25 pm
Nonstop1h 33m
Washington, D.C. Dulles Intl
Sun 11/30
8:20 am-10:08 am
Nonstop1h 48m
CharlestonWashington, D.C.
CHS - IAD
CHSIAD
Charleston
Tue 11/25
2:52 pm-4:25 pm
Nonstop1h 33m
Washington, D.C. Dulles Intl
Mon 12/1
8:20 am-10:08 am
Nonstop1h 48m
CharlestonWashington, D.C.
CHS - IAD
CHSIAD
Charleston
Fri 11/14
10:00 am-11:35 am
Nonstop1h 35m
Washington, D.C. Dulles Intl
Mon 11/17
5:10 pm-7:00 pm
Nonstop1h 50m
CharlestonWashington, D.C.
CHS - IAD
CHSIAD
Charleston
Thu 11/13
10:00 am-11:35 am
Nonstop1h 35m
Washington, D.C. Dulles Intl
Sun 11/16
1:20 pm-3:09 pm
Nonstop1h 49m
CharlestonWashington, D.C.
CHS - IAD
CHSIAD
Charleston
Fri 11/21
5:25 am-9:10 am
1 stop3h 45m
Washington, D.C. Dulles Intl
Wed 12/3
12:30 pm-7:28 pm
1 stop6h 58m
CharlestonWashington, D.C.
CHS - IAD
CHSIAD
Charleston
Sun 11/23
5:25 am-9:10 am
1 stop3h 45m
Washington, D.C. Dulles Intl
Wed 12/3
3:38 pm-7:28 pm
1 stop3h 50m
CharlestonWashington, D.C.
CHS - IAD
CHSIAD
Charleston
Sat 11/22
6:28 pm-11:19 pm
1 stop4h 51m
Washington, D.C. Dulles Intl
Thu 12/4
6:00 am-10:46 am
1 stop4h 46m
CharlestonWashington, D.C.
CHS - IAD
CHSIAD
Charleston
Thu 12/25
6:35 am-12:13 pm
1 stop5h 38m
Washington, D.C. Dulles Intl
Tue 12/30
6:00 am-10:30 am
1 stop4h 30m
CharlestonWashington, D.C.
CHS - IAD
CHSIAD
Charleston
Sat 11/22
6:28 pm-11:19 pm
1 stop4h 51m
Washington, D.C. Dulles Intl
Mon 11/24
6:00 am-11:46 am
1 stop5h 46m
CharlestonWashington, D.C.
CHS - IAD
CHSIAD
Charleston
Thu 11/13
7:45 pm-9:23 pm
Nonstop1h 38m
Washington, D.C. Dulles Intl
Mon 11/17
1:20 pm-3:09 pm
Nonstop1h 49m
| 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 75% versus a flight at noon.
Comfort
Food
Entertainment
Boarding
Overall
Crew
Reviews
Sebrena,Oct 2025
IAH - RSW
Comfort
Food
Entertainment
Boarding
Overall
Crew
Reviews
Sebrena,Oct 2025
IAH - RSW
Comfort
Food
Entertainment
Boarding
Overall
Crew
Reviews
Sebrena,Oct 2025
IAH - RSW
| Airline | Cheapest | Average | Flexibility | On-time | 
|---|---|---|---|---|
| Cheapest$189 | Average$307 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$259 | Average$268 | FlexibilityNo cancel fee | On-time71% |