How long is the flight from Charleston to Washington, D.C.?

Departing from Charleston to Washington, D.C. will take you 1h 29m. Charleston and Washington, D.C. are separated by a distance of 444 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Charleston to Washington, D.C. round-trip?

Cheapflights users have booked flights from Charleston to Washington, D.C. round-trip from $184. Other airlines that can offer you cheap pricing are United Airlines, from $191, and Delta, from $213. American Airlines is 27% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Charleston to Washington, D.C. one-way?

To fly one-way, consider booking your trip with Southwest, which is currently one of the cheapest options available, starting at $65. Spirit Airlines flights start at $76 while deals on Delta start at $89 one-way.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the most popular routes from Charleston to Washington, D.C.?

The most popular flight routes from Charleston to Washington, D.C. are Charleston - Baltimore/Washington, Charleston - Washington, D.C. Reagan-National and Charleston - Washington, D.C. Dulles Intl.

What are the cheapest flights from Charleston to Washington, D.C.?

Looking for the cheapest flight from Charleston to Washington, D.C.? While on average our users pay $968, our data indicates the cheapest price to be $113. The most popular route (Charleston - Baltimore/Washington), is priced around $153.

What are the most reliable airlines from Charleston to Washington, D.C.?

Before booking your flight to Washington, D.C. from Charleston, check out the most reliable airlines to get you to your destination on time: Austrian Airlines (97%), Lufthansa (87%), Copa Airlines( 82%).

What are the most popular airlines that fly from Charleston to Washington, D.C.?

American Airlines, Delta and United Airlines are the most popular airlines when flying from Charleston to Washington, D.C..

What is the cheapest day to fly round-trip from Charleston to Washington, D.C.?

Users have found that leaving on a Thursday can be a cost-effective option. It’s possible to save up to 82% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Charleston to Washington, D.C.?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 48 days in advance, which can save you up to 93% on flights from Charleston to Washington, D.C. compared to booking the week you need them. Waiting 48 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $244. For sooner than that we have options available in the next 3 days from $334.

What is the cheapest month to fly from Charleston to Washington, D.C.?

May is one of the best times of the year to fly to Washington, D.C. from Charleston. Prices for May average $252 per person but you can even find prices for as low as $179. The most expensive prices can be found in the month of December. Opting for a May flight can save you 25% on your journey compared to booking in December

What airport do you fly from for flights from Charleston to Washington, D.C.?

Charleston (CHS), located 10.2 mi from the city center, is the airport you fly out of when you book flights from Charleston to Washington, D.C.. 5 airlines have flights from Charleston to Washington, D.C. on a regular basis. Booking flights from Charleston to Washington, D.C. should not be difficult; the airport handles an average of 14 outbound flights to Washington, D.C. per day.

Can I find deals for flights from Charleston to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Charleston to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Charleston to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Charleston to Washington, D.C..

Can I find deals for business class flights from Charleston to Washington, D.C.?

Yes. Cheapflights offers flight deals from Charleston to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$63+ Cheap Flights from Charleston to Washington, D.C.

Q: How much does it cost to fly round-trip from Charleston to Washington, D.C.?

Airfare is below average for this route at the moment. Charleston to Washington, D.C. flights typically cost between $189 and $280 in October. The cheapest round-trip price found within the last 3 days was $162 on Spirit Airlines (Oct 3-Oct 4).

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Cheapflights Tip: The best prices from Charleston to Washington, D.C. are usually found in May or September, booked 47 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Charleston to Washington, D.C.

Round-trip from	$162 (Kiwi.com)
One-way from	$63 (Kiwi.com)
Popular in	December
Cheapest in	May
Average price	$216
Good round-trip deal	$190 or less
Good one-way deal	$138 or less

From Charleston to Washington, D.C. (WAS)

Search Deals

One-way flight from Charleston to Washington, D.C. (WAS)

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($31 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Price to beat on a round-trip flight from Charleston to Washington, D.C. (WAS).

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Price to beat on a one-way flight from Charleston to Washington, D.C. (WAS).

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Find flight deals from Charleston to Washington, D.C.

Cheapest flights from Charleston to Washington, D.C.
Explore the most affordable flight options available from Charleston to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

vie. 10/310:10 amCHS - BWI

1 stop23h 22mSpirit Airlines

sáb. 10/48:16 pmBWI - CHS

1 stop12h 50mSpirit Airlines

Deal found 9/10

$162

jue. 10/2310:11 amCHS - BWI

1 stop11h 07mSpirit Airlines

jue. 11/65:10 amBWI - CHS

1 stop5h 35mSpirit Airlines

Deal found 9/10

$174

mié. 10/155:34 pmCHS - BWI

1 stop3h 14mAmerican Airlines

sáb. 10/185:00 amBWI - CHS

1 stop5h 49mAmerican Airlines

Deal found 9/11

$175

sáb. 10/116:55 pmCHS - BWI

1 stop5h 45mDelta

mar. 10/146:00 amBWI - CHS

1 stop5h 46mDelta

Deal found 9/11

$177

lun. 9/2910:10 amCHS - BWI

1 stop24h 51mSpirit Airlines

jue. 10/27:49 pmBWI - CHS

1 stop13h 16mSpirit Airlines

Deal found 9/10

$178

jue. 10/2310:11 amCHS - BWI

1 stop7h 05mSpirit Airlines

jue. 10/238:21 pmBWI - CHS

1 stop12h 45mSpirit Airlines

Deal found 9/10

$180

jue. 10/2310:11 amCHS - BWI

1 stop7h 05mSpirit Airlines

mié. 11/510:48 amBWI - CHS

1 stop23h 57mSpirit Airlines

Deal found 9/10

$184

jue. 11/67:05 pmCHS - DCA

1 stop4h 36mDelta

dom. 11/96:06 amDCA - CHS

1 stop4h 35mDelta

Deal found 9/10

$185

mié. 10/227:05 amCHS - BWI

Nonstop1h 30mSouthwest

mié. 11/58:10 amBWI - CHS

Nonstop1h 50mSouthwest

Deal found 9/10

$185

jue. 11/66:00 amCHS - IAD

1 stop5h 57mDelta

dom. 11/96:00 amIAD - CHS

1 stop5h 46mDelta

Deal found 9/10

$185

jue. 10/910:11 amCHS - BWI

1 stop13h 21mSpirit Airlines

sáb. 10/118:17 pmBWI - CHS

1 stop12h 49mSpirit Airlines

Deal found 9/10

$187

vie. 10/107:54 pmCHS - DCA

Nonstop1h 36mAmerican Airlines

lun. 10/137:59 pmDCA - CHS

Nonstop1h 49mAmerican Airlines

Deal found 9/10

$189

Best flights from Charleston to Washington, D.C.
Discover carefully curated flight deals from Charleston to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated septiembre 11, 2025.

sáb. 12/65:40 pmCHS - BWI

1 stop6h 14mSpirit Airlines

dom. 12/75:10 amBWI - CHS

1 stop5h 35mSpirit Airlines

Deal found 9/11

$174

sáb. 10/116:55 pmCHS - BWI

1 stop5h 45mDelta

sáb. 10/184:44 pmBWI - CHS

1 stop4h 07mDelta

Deal found 9/11

$177

mar. 11/256:00 amCHS - DCA

Nonstop1h 29mAmerican Airlines

vie. 11/2811:40 amDCA - CHS

Nonstop1h 43mAmerican Airlines

Deal found 9/11

$189

jue. 10/22:48 pmCHS - IAD

Nonstop1h 41mUnited Airlines

dom. 10/58:15 amIAD - CHS

Nonstop1h 45mUnited Airlines

Deal found 9/10

$189

mar. 9/306:45 pmCHS - DCA

1 stop4h 15mSouthwest

mié. 10/18:00 amDCA - CHS

2 stops11h 55mSouthwest

Deal found 9/10

$210

jue. 11/67:05 pmCHS - DCA

1 stop4h 36mDelta

dom. 11/96:06 amDCA - CHS

1 stop4h 35mDelta

Deal found 9/10

$185

vie. 10/1010:17 amCHS - IAD

Nonstop1h 33mUnited Airlines

lun. 10/138:15 amIAD - CHS

Nonstop1h 45mUnited Airlines

Deal found 9/11

$189

jue. 10/92:48 pmCHS - IAD

Nonstop1h 41mUnited Airlines

lun. 10/138:15 amIAD - CHS

Nonstop1h 45mUnited Airlines

Deal found 9/11

$189

sáb. 10/184:14 pmCHS - BWI

1 stop4h 50mDelta

lun. 10/207:45 pmBWI - CHS

1 stop4h 14mDelta

Deal found 9/10

$193

vie. 10/310:17 amCHS - IAD

Nonstop1h 33mUnited Airlines

dom. 10/58:15 amIAD - CHS

Nonstop1h 45mUnited Airlines

Deal found 9/10

$189

sáb. 10/188:05 amCHS - BWI

Nonstop1h 25mSouthwest

lun. 10/205:00 pmBWI - CHS

Nonstop1h 40mSouthwest

Deal found 9/10

$232

jue. 12/188:00 amCHS - BWI

1 stop4h 47mDelta

mar. 12/2310:22 amBWI - CHS

1 stop4h 47mDelta

Deal found 9/10

$193

Last-minute flights from Charleston to Washington, D.C.
Discover last-minute flight deals from Charleston to Washington, D.C.. Data last updated septiembre 11, 2025 and is based on user searches.

lun. 9/2910:10 amCHS - BWI

1 stop24h 51mSpirit Airlines

jue. 10/27:49 pmBWI - CHS

1 stop13h 16mSpirit Airlines

Deal found 9/10

$178

vie. 10/310:10 amCHS - BWI

1 stop23h 22mSpirit Airlines

sáb. 10/48:16 pmBWI - CHS

1 stop12h 50mSpirit Airlines

Deal found 9/10

$162

jue. 10/910:11 amCHS - BWI

1 stop13h 21mSpirit Airlines

sáb. 10/118:17 pmBWI - CHS

1 stop12h 49mSpirit Airlines

Deal found 9/10

$187

vie. 10/107:54 pmCHS - DCA

Nonstop1h 36mAmerican Airlines

lun. 10/137:59 pmDCA - CHS

Nonstop1h 49mAmerican Airlines

Deal found 9/10

$189

vie. 10/1010:17 amCHS - IAD

Nonstop1h 33mUnited Airlines

lun. 10/138:15 amIAD - CHS

Nonstop1h 45mUnited Airlines

Deal found 9/11

$189

sáb. 10/116:55 pmCHS - BWI

1 stop5h 45mDelta

sáb. 10/184:44 pmBWI - CHS

1 stop4h 07mDelta

Deal found 9/11

$177

mié. 10/155:34 pmCHS - BWI

1 stop3h 14mAmerican Airlines

sáb. 10/185:00 amBWI - CHS

1 stop5h 49mAmerican Airlines

Deal found 9/11

$175

mié. 10/227:05 amCHS - BWI

Nonstop1h 30mSouthwest

mié. 11/58:10 amBWI - CHS

Nonstop1h 50mSouthwest

Deal found 9/10

$185

jue. 10/2310:11 amCHS - BWI

1 stop11h 07mSpirit Airlines

jue. 11/65:10 amBWI - CHS

1 stop5h 35mSpirit Airlines

Deal found 9/10

$174

jue. 10/2310:11 amCHS - BWI

1 stop7h 05mSpirit Airlines

jue. 10/238:21 pmBWI - CHS

1 stop12h 45mSpirit Airlines

Deal found 9/10

$180

jue. 10/2310:11 amCHS - BWI

1 stop7h 05mSpirit Airlines

mié. 11/510:48 amBWI - CHS

1 stop23h 57mSpirit Airlines

Deal found 9/10

$184

vie. 10/2410:11 amCHS - BWI

1 stop6h 47mSpirit Airlines

vie. 11/75:10 amBWI - CHS

1 stop5h 35mSpirit Airlines

Deal found 9/10

$189

One-way flights from Charleston to Washington, D.C.
Search for one-way flight options from Charleston to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated septiembre 11, 2025.

lun. 10/610:11 amCHS - BWI

1 stop24h 50mSpirit Airlines

Deal found 9/11

$63

mar. 10/285:25 pmCHS - DCA

1 stop5h 30mSouthwest

Deal found 9/10

$65

sáb. 11/86:10 amCHS - DCA

1 stop7h 20mSouthwest

Deal found 9/10

$73

jue. 12/115:40 pmCHS - BWI

1 stop6h 14mSpirit Airlines

Deal found 9/10

$76

vie. 10/1710:11 amCHS - BWI

1 stop6h 47mSpirit Airlines

Deal found 9/10

$79

jue. 11/206:00 amCHS - DCA

1 stop4h 35mSouthwest

Deal found 9/11

$81

vie. 9/1910:10 amCHS - BWI

1 stop6h 41mSpirit Airlines

Deal found 9/11

$81

mar. 10/145:25 pmCHS - DCA

1 stop6h 15mSouthwest

Deal found 9/10

$82

vie. 10/316:50 amCHS - DCA

1 stop4h 15mSouthwest

Deal found 9/9

$85

jue. 10/910:11 amCHS - BWI

1 stop7h 05mSpirit Airlines

Deal found 9/10

$85

sáb. 10/117:43 pmCHS - BWI

1 stop4h 50mAmerican Airlines

Deal found 9/9

$88

mar. 10/74:14 pmCHS - DCA

1 stop5h 29mDelta

Deal found 9/10

$89

Cheapflights Fare Finder

Use the filters below to find and compare flights from Charleston to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CharlestonBaltimore

CHS - BWI

CHSBWI

Charleston

sáb. 12/6

5:40 pm-11:54 pm

1 stop6h 14m

Baltimore/Washington

dom. 12/7

5:10 am-10:45 am

1 stop5h 35m

$174

CharlestonBaltimore

CHS - BWI

CHSBWI

Charleston

sáb. 10/11

6:55 pm-12:40 am

1 stop5h 45m

Baltimore/Washington

sáb. 10/18

4:44 pm-8:51 pm

1 stop4h 07m

$177

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

jue. 11/6

7:05 pm-11:41 pm

1 stop4h 36m

Washington, D.C. Reagan-National

dom. 11/9

6:06 am-10:41 am

1 stop4h 35m

$185

CharlestonWashington, D.C.

CHS - DCA

CHSDCA

Charleston

mar. 11/25

6:00 am-7:29 am

Nonstop1h 29m

Washington, D.C. Reagan-National

vie. 11/28

11:40 am-1:23 pm

Nonstop1h 43m

$189

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

jue. 10/2

2:48 pm-4:29 pm

Nonstop1h 41m

Washington, D.C. Dulles Intl

dom. 10/5

8:15 am-10:00 am

Nonstop1h 45m

$189

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

vie. 10/10

10:17 am-11:50 am

Nonstop1h 33m

Washington, D.C. Dulles Intl

lun. 10/13

8:15 am-10:00 am

Nonstop1h 45m

$189

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

jue. 10/9

2:48 pm-4:29 pm

Nonstop1h 41m

Washington, D.C. Dulles Intl

lun. 10/13

8:15 am-10:00 am

Nonstop1h 45m

$189

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

vie. 10/3

10:17 am-11:50 am

Nonstop1h 33m

Washington, D.C. Dulles Intl

dom. 10/5

8:15 am-10:00 am

Nonstop1h 45m

$189

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

vie. 10/3

7:47 pm-9:25 pm

Nonstop1h 38m

Washington, D.C. Dulles Intl

sáb. 10/4

1:10 pm-3:03 pm

Nonstop1h 53m

$189

CharlestonWashington, D.C.

CHS - IAD

CHSIAD

Charleston

sáb. 12/13

7:38 pm-9:18 pm

Nonstop1h 40m

Washington, D.C. Dulles Intl

dom. 12/14

1:20 pm-3:10 pm

Nonstop1h 50m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 60 results

...

The best insider tips for Charleston to Washington, D.C. flights

Cheapflights partnered with top experts to bring you the best recommendations for your Charleston to Washington, D.C. trip

Airports

CHS

For early flights, arrive early as security lines can be long when many gates have simultaneous departures.

IAD

The Washington Metro Silver Line reaches IAD in under 40 minutes, offering a cost-effective city connection.

Our travel experts

Ramsey Qubein

Expert on IAD and CHS

Best time to book a flight from Charleston to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Charleston with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Charleston to Washington, D.C.

How far ahead should I book a flight from Charleston to Washington, D.C.?

To ensure you get the cheapest price possible for a flight from Charleston to Washington, D.C., you should look to book at least 47 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Charleston to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Charleston to Washington, D.C. (average of $292). Flying from Charleston to Washington, D.C. in April is currently the most expensive (average of $337). 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.

What is the cheapest time of day to fly from CHS to WAS?

It’s optimal to fly from Charleston to Washington, D.C. in the afternoon. By choosing this option you can save up to 64% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Charleston to Washington, D.C.?

Travelers seeking maximum savings on their Charleston to Washington, D.C. flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Charleston to Washington, D.C.

The most flights from CHS to WAS are scheduled on a Monday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

How much does it cost to fly round-trip from Charleston to Washington, D.C.?

Reviews of airlines servicing Washington, D.C.

Read through reviews of airlines operating flights from Charleston to Washington, D.C., such as Southwest, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,248 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Southwest

8.0

Very good

4,248 reviews

Southwest

8.0

Very good

4,248 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

United Airlines

7.4

Good

8,937 reviews

Southwest

8.0

Very good

4,248 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,248 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Spirit Airlines

6.3

Okay

8,023 reviews

Southwest

8.0

Very good

4,248 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

What airport do you fly from for flights from Charleston to Washington, D.C.?
Charleston (CHS), located 10.2 mi from the city center, is the airport you fly out of when you book flights from Charleston to Washington, D.C.. 5 airlines have flights from Charleston to Washington, D.C. on a regular basis. Booking flights from Charleston to Washington, D.C. should not be difficult; the airport handles an average of 14 outbound flights to Washington, D.C. per day.
How long is the flight from Charleston to Washington, D.C.?
Departing from Charleston to Washington, D.C. will take you 1h 29m. Charleston and Washington, D.C. are separated by a distance of 444 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines flying from Charleston to Washington, D.C. round-trip?
Cheapflights users have booked flights from Charleston to Washington, D.C. round-trip from $184. Other airlines that can offer you cheap pricing are United Airlines, from $191, and Delta, from $213. American Airlines is 27% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Charleston to Washington, D.C. one-way?
To fly one-way, consider booking your trip with Southwest, which is currently one of the cheapest options available, starting at $65. Spirit Airlines flights start at $76 while deals on Delta start at $89 one-way.
What are the most popular routes from Charleston to Washington, D.C.?
The most popular flight routes from Charleston to Washington, D.C. are Charleston - Baltimore/Washington, Charleston - Washington, D.C. Reagan-National and Charleston - Washington, D.C. Dulles Intl.
What are the most reliable airlines from Charleston to Washington, D.C.?
Before booking your flight to Washington, D.C. from Charleston, check out the most reliable airlines to get you to your destination on time: Austrian Airlines (97%), Lufthansa (87%), Copa Airlines( 82%).
What are the cheapest flights from Charleston to Washington, D.C.?
Looking for the cheapest flight from Charleston to Washington, D.C.? While on average our users pay $968, our data indicates the cheapest price to be $113. The most popular route (Charleston - Baltimore/Washington), is priced around $153.
Can I find deals for flights from Charleston to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Charleston to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Charleston to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Charleston to Washington, D.C..
Can I find deals for business class flights from Charleston to Washington, D.C.?
Yes. Cheapflights offers flight deals from Charleston to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Charleston to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from Charleston to Washington, D.C. (average of $292). Flying from Charleston to Washington, D.C. in April is currently the most expensive (average of $337). 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.

See more FAQs

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Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Charleston to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$90	Average$167	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$158	Average$303	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$176	Average$276	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$191	Average$315	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$193	Average$321	FlexibilityNo cancel fee	On-time63%

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$63+ Cheap flights from Charleston (CHS) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/6. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Charleston to Washington, D.C. are usually found in May or September, booked 47 days in advance, depart on a Friday or Thursday and return on a Tuesday

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Find flight deals from Charleston to Washington, D.C.

Cheapest flights from Charleston to Washington, D.C.Explore the most affordable flight options available from Charleston to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

Explore the most affordable flight options available from Charleston to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

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The best insider tips for Charleston to Washington, D.C. flights

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Best time to book a flight from Charleston to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Charleston with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Charleston to Washington, D.C.

How far ahead should I book a flight from Charleston to Washington, D.C.?

Use this chart to determine the optimal time to book a round-trip flight from Charleston to Washington, D.C.. Price data was last updated on August 29, 2025.

What is the cheapest month to book a flight from Charleston to Washington, D.C.?

What is the cheapest time of day to fly from CHS to WAS?

Find hourly flight availability from Charleston to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 11, 2025.

What is the cheapest day to fly from Charleston to Washington, D.C.?

Use this chart to determine the cheapest time to fly round-trip from Charleston to Washington, D.C.. Price data was last updated on September 7, 2025.

Weekly flight availability from Charleston to Washington, D.C.

How much does it cost to fly round-trip from Charleston to Washington, D.C.?

Reviews of airlines servicing Washington, D.C.

Read through reviews of airlines operating flights from Charleston to Washington, D.C., such as Southwest, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Charleston to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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What are the most popular routes from Charleston to Washington, D.C.?

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What are the cheapest flights from Charleston to Washington, D.C.?

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Alternative routes for Charleston to Washington, D.C.

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Cheapest flights from Charleston to Washington, D.C.
Explore the most affordable flight options available from Charleston to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.