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Cheap flights from Charleston to Washington, D.C. from $129

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Charleston to Washington, D.C. departing on 4/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Charleston to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:44 pm - 9:25 pm
CHS
-
IAD
1h 41mnonstop
United Airlines Logo
1:05 pm - 2:53 pm
IAD
-
CHS
1h 48mnonstop
$191United Airlines
Thu, Apr 23 - Sat, Apr 25
United Airlines Logo
6:00 am - 7:29 am
CHS
-
IAD
1h 29mnonstop
United Airlines Logo
8:35 am - 10:23 am
IAD
-
CHS
1h 48mnonstop
$203United Airlines
Tue, Apr 21 - Wed, Apr 29
Multiple Airlines Logo
3:21 pm - 5:52 pm
CHS
-
IAD
26h 31m
1 stop
Multiple Airlines Logo
7:27 pm - 9:58 am
IAD
-
CHS
14h 31m
1 stop
$205Multiple Airlines
Mon, May 4 - Mon, May 11
Delta Logo
6:21 pm - 12:27 am
CHS
-
IAD
6h 06m
1 stop
Delta Logo
6:29 pm - 11:50 pm
IAD
-
CHS
5h 21m
1 stop
$211Delta
Sat, Apr 25 - Sat, May 2
Multiple Airlines Logo
10:18 am - 5:52 pm
CHS
-
IAD
7h 34m
1 stop
Multiple Airlines Logo
2:52 pm - 8:48 am
IAD
-
CHS
17h 56m
2 stops
$212Multiple Airlines
Tue, May 5 - Fri, May 8
Multiple Airlines Logo
8:28 pm - 4:21 pm
CHS
-
IAD
19h 53m
2 stops
Multiple Airlines Logo
7:27 pm - 9:58 am
IAD
-
CHS
14h 31m
1 stop
$214Multiple Airlines
Mon, May 4 - Mon, May 11
Multiple Airlines Logo
3:21 pm - 7:27 am
CHS
-
IAD
16h 06m
1 stop
Multiple Airlines Logo
1:26 pm - 8:43 am
IAD
-
CHS
19h 17m
1 stop
$215Multiple Airlines
Fri, Apr 17 - Sun, Apr 19
United Airlines Logo
10:00 am - 11:37 am
CHS
-
IAD
1h 37mnonstop
United Airlines Logo
8:35 am - 10:23 am
IAD
-
CHS
1h 48mnonstop
$220United Airlines
Thu, Apr 23 - Sun, Apr 26
Multiple Airlines Logo
10:56 pm - 7:27 am
CHS
-
IAD
8h 31m
1 stop
Multiple Airlines Logo
10:02 am - 4:25 pm
IAD
-
CHS
6h 23m
1 stop
$221Multiple Airlines
Fri, May 1 - Sun, May 3
Multiple Airlines Logo
12:03 pm - 9:54 am
CHS
-
IAD
21h 51m
2 stops
Multiple Airlines Logo
1:26 pm - 8:43 am
IAD
-
CHS
19h 17m
1 stop
$223Multiple Airlines
Fri, Apr 17 - Sun, Apr 19

American Airlines flights from Charleston to Washington, D.C. Dulles Intl Airport

Our best American Airlines deals on Charleston to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Apr 18
CHS2:59 pmCharleston
4h 34m
1 stop
IAD7:33 pmWashington, D.C. Dulles Intl
Apr 20
IAD8:11 pmWashington, D.C. Dulles Intl
3h 48m
1 stop
CHS11:59 pmCharleston
$268
American Airlines
Apr 16
CHS8:21 pmCharleston
3h 38m
1 stop
IAD11:59 pmWashington, D.C. Dulles Intl
Apr 19
IAD8:11 pmWashington, D.C. Dulles Intl
3h 48m
1 stop
CHS11:59 pmCharleston
$283
American Airlines
Apr 16
CHS5:00 amCharleston
3h 49m
1 stop
IAD8:49 amWashington, D.C. Dulles Intl
Apr 19
IAD8:11 pmWashington, D.C. Dulles Intl
3h 48m
1 stop
CHS11:59 pmCharleston
$284

United Airlines flights from Charleston to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Charleston to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Apr 23
CHS7:44 pmCharleston
1h 41m
IAD9:25 pmWashington, D.C. Dulles Intl
Apr 25
IAD1:05 pmWashington, D.C. Dulles Intl
1h 48m
CHS2:53 pmCharleston
$191
United Airlines
Apr 21
CHS6:00 amCharleston
1h 29m
IAD7:29 amWashington, D.C. Dulles Intl
Apr 29
IAD8:35 amWashington, D.C. Dulles Intl
1h 48m
CHS10:23 amCharleston
$203
United Airlines
Apr 23
CHS10:00 amCharleston
1h 37m
IAD11:37 amWashington, D.C. Dulles Intl
Apr 26
IAD8:35 amWashington, D.C. Dulles Intl
1h 48m
CHS10:23 amCharleston
$220

momondo Fare Finder

 
Customize your flight search to find flights from Charleston to Washington, D.C. Dulles Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 1, 2026.
Use the filters below to find and compare flights from Charleston to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Thu 4/23

7:44 pm-9:25 pm

Nonstop1h 41m

Washington, D.C. Dulles Intl

Sat 4/25

1:05 pm-2:53 pm

Nonstop1h 48m

$191
Quickest round-trip

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Tue 4/21

6:00 am-7:29 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Wed 4/29

8:35 am-10:23 am

Nonstop1h 48m

$203

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Mon 5/4

3:21 pm-5:52 pm

1 stop26h 31m

Washington, D.C. Dulles Intl

Mon 5/11

7:27 pm-9:58 am

1 stop14h 31m

$205

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Sat 4/25

6:21 pm-12:27 am

1 stop6h 06m

Washington, D.C. Dulles Intl

Sat 5/2

6:29 pm-11:50 pm

1 stop5h 21m

$211

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Tue 5/5

10:18 am-5:52 pm

1 stop7h 34m

Washington, D.C. Dulles Intl

Fri 5/8

2:52 pm-8:48 am

2 stops17h 56m

$212

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Mon 5/4

8:28 pm-4:21 pm

2 stops19h 53m

Washington, D.C. Dulles Intl

Mon 5/11

7:27 pm-9:58 am

1 stop14h 31m

$214

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Fri 4/17

3:21 pm-7:27 am

1 stop16h 06m

Washington, D.C. Dulles Intl

Sun 4/19

1:26 pm-8:43 am

1 stop19h 17m

$215

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Thu 4/23

10:00 am-11:37 am

Nonstop1h 37m

Washington, D.C. Dulles Intl

Sun 4/26

8:35 am-10:23 am

Nonstop1h 48m

$220

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Fri 5/1

10:56 pm-7:27 am

1 stop8h 31m

Washington, D.C. Dulles Intl

Sun 5/3

10:02 am-4:25 pm

1 stop6h 23m

$221

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

Fri 4/17

12:03 pm-9:54 am

2 stops21h 51m

Washington, D.C. Dulles Intl

Sun 4/19

1:26 pm-8:43 am

1 stop19h 17m

$223

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Charleston to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Charleston and Washington, D.C. Dulles Intl Airport?

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, November is the cheapest month to fly from Charleston to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $231. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $249.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $555. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Charleston to Washington, D.C. Dulles Intl Airport for around $839.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Charleston in the morning is the least expensive time of day to depart. momondo users have found prices as low as $474 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $801 on average. Flights to Washington, D.C. Dulles Intl Airport from Charleston at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Charleston to Washington, D.C. Dulles Intl flight route?

Fly from Charleston to Washington, D.C. Dulles Intl for the best Charleston - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Charleston when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $280 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Charleston for as low as $174 on momondo.

What cabin class options are available on Charleston to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on Charleston to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Charleston to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of April 2026, prices for Charleston to Washington, D.C. Dulles Intl Airport flights are approximately 8% more expensive when compared to flights at the same time last year.

When to book flights from Charleston to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Charleston to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Charleston to Washington, D.C. Dulles Intl Airport (CHS to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Charleston to Washington, D.C. Dulles Intl Airport

Best Price Found

$237

Fastest flight time

1h 24m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Charleston in the past 72 hours is $237. The best round-trip flight deal from Charleston to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $344.
The fastest flight from Charleston to Washington, D.C. Dulles Intl Airport takes 1h 24m
Direct flights go from Charleston to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • How far is Charleston to Washington, D.C. Dulles Intl by plane?

    A flight from Charleston to Washington, D.C. Dulles Intl will travel around 448.2 mi. A reasonable flight in good conditions will take 1h 24m.

  • When did momondo last update prices for flights from Charleston Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Charleston Airport to Washington, D.C. Dulles Intl Airport are updated daily.

  • How many operators does momondo search for flights from Charleston Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Charleston Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Charleston Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Charleston to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from Charleston to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Charleston to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Charleston to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $179Free CancellationRating
7.4
9,529 reviews
Search United Airlines flights
American AirlinesPriceFrom $250Free CancellationRating
7.1
11,544 reviews
Search American Airlines flights

  • United Airlines Flights From Charleston to Washington, D.C. Dulles Intl Airport

    United Airlines flight deals from Charleston to Washington, D.C. Dulles Intl Airport start from $179 round-trip. Over the 14 United Airlines flights for this route in a normal week, average airfare is usually $273 round-trip - but some users have found much cheaper deals with momondo.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Sterling
Linthicum Heights
Springfield
Bethesda

Why use momondo?

Why should I use momondo to find a flight deal from Charleston to Washington, D.C.?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Charleston to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Charleston to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Charleston which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Charleston to Washington, D.C.?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Charleston to Washington, D.C..

I’m not ready to book a flight from Charleston to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Charleston to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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