How popular is this State of Washington to Charleston flight route?

The Washington to Charleston flight path was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the cheapest airlines to fly from State of Washington to Charleston one-way?

One-way options have recently been found by users for as low as $119 on Alaska Airlines. Other airlines that offer cheap prices include American Airlines from $128 and Delta from $139 one-way.

What are the most popular routes from State of Washington to Charleston?

While some choose either Portland - Charleston or Spokane - Charleston, Seattle/Tacoma Intl - Charleston is the most popular route from State of Washington to Charleston.

What are the cheapest flights from State of Washington to Charleston?

While on average a flight from State of Washington to Charleston is generally $368, our data shows the cheapest flight currently is $174. When looking at the most popular route, (Seattle/Tacoma Intl - Charleston), you can expect to pay $257 for that flight.

What are the most popular airlines that fly from State of Washington to Charleston?

Before booking your flight from State of Washington to Charleston check out the most popular airlines for this route: American Airlines, Alaska Airlines or Delta.

How far in advance should I book a flight from State of Washington to Charleston?

To save on the cost of your flight from State of Washington to Charleston, book at least 25 days before your planned departure. Booking around this time can save you about 175% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $352 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $571.

What is the cheapest month to fly from State of Washington to Charleston?

Flights from State of Washington to Charleston lean towards being more expensive in December. Prices are generally better when you fly from State of Washington to Charleston in January, with the cheapest ticket starting at $216.

What airport do you fly into for flights to Charleston from Washington?

Most people fly into Charleston (CHS) if they book a flight to Charleston from Washington. Charleston is conveniently located just 10.2 mi from Charleston’s city center.

Can I find deals for flights from Washington to Charleston that include hotel bookings?

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

How can I find direct flights from Washington to Charleston?

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

Can I find deals for business class flights from Washington to Charleston?

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

$119+ Flights from Washington to Charleston

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Cheap flight deals from Washington to Charleston

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$272 (Delta)
One-way from	$119 (Alaska Airlines)
Popular in	December
Cheapest in	January
Average price	$378
Good round-trip deal	$388 or less
Good one-way deal	$189 or less

Provider with most accurate pricing for Seattle/Tacoma Intl-Charleston flight deals.

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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Charleston flights.

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From Washington to Charleston

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One-way flight from Washington to Charleston

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Highest demand for flights based on searches. 2% potential increase in price ($12 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).

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Average for round-trip flights in March 2025

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Price to beat on a round-trip flight from Washington to Charleston.

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Price to beat on a one-way flight from Washington to Charleston.

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Find flight deals from Washington to Charleston

Cheapest flights from Washington to Charleston
Explore the most affordable flight options available from Washington to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

Tue 5/2011:10 pmSEA - CHS

1 stop7h 30mDelta

Tue 6/32:38 pmCHS - SEA

1 stop10h 22mDelta

Deal found 3/30

$272

Sat 4/1911:45 pmSEA - CHS

1 stop7h 46mUnited Airlines

Wed 4/236:00 amCHS - SEA

2 stops12h 58mUnited Airlines

Deal found 3/30

$277

Wed 5/76:00 amSEA - CHS

2 stops23h 38mSpirit Airlines

Mon 5/1212:33 pmCHS - SEA

2 stops28h 52mSpirit Airlines

Deal found 3/30

$284

Mon 6/27:25 pmGEG - CHS

2 stops12h 52mDelta

Tue 6/102:53 pmCHS - GEG

1 stop9h 57mDelta

Deal found 3/30

$290

Tue 5/275:49 pmPSC - CHS

2 stops11h 46mDelta

Thu 5/293:12 pmCHS - PSC

2 stops11h 17mDelta

Deal found 3/30

$297

Wed 5/79:41 amSEA - CHS

Nonstop5h 13mAlaska Airlines

Wed 5/146:54 pmCHS - SEA

Nonstop6h 06mAlaska Airlines

Deal found 3/30

$298

Tue 5/1311:59 pmPDX - CHS

1 stop9h 06mAmerican Airlines

Sat 5/176:18 amCHS - PDX

1 stop7h 31mAmerican Airlines

Deal found 3/31

$307

Mon 4/2111:19 pmPDX - CHS

1 stop7h 06mDelta

Sat 4/265:35 amCHS - PDX

1 stop8h 48mDelta

Deal found 3/29

$315

Thu 5/81:10 amSEA - CHS

1 stop7h 55mAmerican Airlines

Tue 5/137:14 pmCHS - SEA

1 stop8h 31mAmerican Airlines

Deal found 3/30

$318

Tue 5/65:00 amSEA - CHS

1 stop9h 45mSouthwest

Tue 5/138:55 amCHS - SEA

2 stops10h 55mSouthwest

Deal found 3/30

$323

Tue 5/135:40 pmPDX - CHS

2 stops25h 29mSpirit Airlines

Fri 5/163:35 pmCHS - PDX

2 stops28h 10mSpirit Airlines

Deal found 3/29

$323

Thu 10/25:45 pmPDX - CHS

1 stop21h 10mAlaska Airlines

Wed 10/86:45 pmCHS - PDX

1 stop8h 08mAlaska Airlines

Deal found 3/30

$325

Best flights from Washington to Charleston
Discover carefully curated flight deals from Washington to Charleston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 31, 2025.

Tue 5/2011:10 pmSEA - CHS

1 stop7h 30mDelta

Tue 6/32:38 pmCHS - SEA

1 stop10h 22mDelta

Deal found 3/30

$272

Sat 4/1911:45 pmSEA - CHS

1 stop7h 46mUnited Airlines

Wed 4/236:00 amCHS - SEA

2 stops12h 58mUnited Airlines

Deal found 3/30

$277

Wed 5/76:00 amSEA - CHS

2 stops23h 38mSpirit Airlines

Mon 5/1212:33 pmCHS - SEA

2 stops28h 52mSpirit Airlines

Deal found 3/30

$284

Wed 5/79:41 amSEA - CHS

Nonstop5h 13mHawaiian Airlines

Tue 5/136:54 pmCHS - SEA

Nonstop6h 06mHawaiian Airlines

Deal found 3/29

$298

Tue 5/1311:59 pmPDX - CHS

1 stop9h 06mAmerican Airlines

Sat 5/176:18 amCHS - PDX

1 stop7h 31mAmerican Airlines

Deal found 3/31

$307

Tue 5/65:00 amSEA - CHS

1 stop9h 45mSouthwest

Tue 5/138:55 amCHS - SEA

2 stops10h 55mSouthwest

Deal found 3/30

$323

Tue 5/133:20 pmSEA - CHS

2 stops27h 49mMultiple Airlines

Thu 5/292:56 pmCHS - SEA

2 stops26h 29mMultiple Airlines

Deal found 3/30

$336

Tue 4/299:41 amSEA - CHS

Nonstop5h 13mAlaska Airlines

Sat 5/36:54 pmCHS - SEA

Nonstop6h 06mAlaska Airlines

Deal found 3/30

$338

Wed 5/141:20 pmPDX - CHS

1 stop19h 29mSun Country Air

Sun 5/1812:11 pmCHS - PDX

1 stop24h 50mSun Country Air

Deal found 3/30

$540

Mon 6/27:25 pmGEG - CHS

2 stops12h 52mDelta

Tue 6/102:53 pmCHS - GEG

1 stop9h 57mDelta

Deal found 3/30

$290

Thu 5/81:10 amSEA - CHS

1 stop7h 55mAmerican Airlines

Tue 5/137:14 pmCHS - SEA

1 stop8h 31mAmerican Airlines

Deal found 3/30

$318

Tue 5/135:40 pmPDX - CHS

2 stops25h 29mSpirit Airlines

Fri 5/163:35 pmCHS - PDX

2 stops28h 10mSpirit Airlines

Deal found 3/29

$323

Last-minute flights from Washington to Charleston
Discover last-minute flight deals from Washington to Charleston. Data last updated March 31, 2025 and is based on user searches.

Sat 4/510:59 pmSEA - CHS

1 stop10h 22mAmerican Airlines

Wed 4/93:53 pmCHS - SEA

1 stop10h 11mAmerican Airlines

Deal found 3/31

$472

Sat 4/510:34 pmPDX - CHS

1 stop8h 17mAmerican Airlines

Sat 4/122:56 pmCHS - PDX

2 stops11h 06mAmerican Airlines

Deal found 3/31

$720

Sat 4/59:55 amPDX - CHS

1 stop10h 05mSouthwest

Sat 4/127:05 amCHS - PDX

1 stop10h 00mSouthwest

Deal found 3/31

$756

Mon 4/77:00 pmSEA - CHS

2 stops12h 40mSouthwest

Tue 4/151:25 pmCHS - SEA

1 stop9h 10mSouthwest

Deal found 3/31

$462

Mon 4/71:20 pmPDX - CHS

2 stops20h 59mSpirit Airlines

Mon 4/149:05 amCHS - PDX

3 stops31h 32mSpirit Airlines

Deal found 3/30

$479

Mon 4/711:00 pmPDX - CHS

1 stop7h 31mDelta

Mon 4/143:51 pmCHS - PDX

2 stops10h 53mDelta

Deal found 3/30

$556

Wed 4/910:30 pmSEA - CHS

1 stop8h 00mDelta

Tue 4/152:46 pmCHS - SEA

1 stop10h 36mDelta

Deal found 3/30

$372

Wed 4/912:30 pmSEA - CHS

3 stops24h 26mSpirit Airlines

Mon 4/144:51 pmCHS - SEA

3 stops45h 44mSpirit Airlines

Deal found 3/29

$523

Wed 4/98:15 amSEA - CHS

2 stops12h 32mUnited Airlines

Tue 4/1511:40 amCHS - SEA

1 stop10h 21mUnited Airlines

Deal found 3/30

$538

Wed 4/98:38 amSEA - CHS

1 stop9h 59mAlaska Airlines

Tue 4/156:38 pmCHS - SEA

Nonstop6h 11mAlaska Airlines

Deal found 3/30

$588

Thu 4/109:25 amSEA - CHS

Nonstop5h 13mHawaiian Airlines

Tue 4/156:38 pmCHS - SEA

Nonstop6h 11mHawaiian Airlines

Deal found 3/29

$458

Thu 4/1010:45 amSEA - CHS

2 stops26h 11mMultiple Airlines

Tue 4/154:51 pmCHS - SEA

3 stops45h 44mMultiple Airlines

Deal found 3/29

$461

One-way flights from Washington to Charleston
Search for one-way flight options from Washington to Charleston. Find affordable one-way fares based on user searches. Data last updated March 31, 2025.

Sat 5/109:41 amSEA - CHS

Nonstop5h 13mAlaska Airlines

Deal found 3/30

$119

Wed 7/21:51 pmGEG - CHS

1 stop7h 04mAmerican Airlines

Deal found 3/30

$128

Tue 5/611:59 pmPDX - CHS

1 stop9h 06mAmerican Airlines

Deal found 3/31

$128

Sun 5/410:05 pmSEA - CHS

1 stop7h 19mAmerican Airlines

Deal found 3/30

$129

Sat 5/106:00 amSEA - CHS

1 stop9h 05mDelta

Deal found 3/30

$139

Sun 5/49:41 amSEA - CHS

Nonstop5h 13mHawaiian Airlines

Deal found 3/30

$149

Wed 5/2112:08 pmPDX - CHS

1 stop8h 36mDelta

Deal found 3/30

$158

Tue 5/133:20 pmSEA - CHS

2 stops27h 49mSpirit Airlines

Deal found 3/30

$163

Thu 5/81:37 pmPDX - CHS

2 stops21h 58mSpirit Airlines

Deal found 3/29

$179

Wed 4/237:54 amPDX - CHS

2 stops12h 53mUnited Airlines

Deal found 3/30

$183

Sun 5/45:13 pmSEA - CHS

2 stops14h 18mUnited Airlines

Deal found 3/30

$184

Sat 6/286:15 amSEA - CHS

2 stops10h 30mSouthwest

Deal found 3/30

$224

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Tue 5/20

11:10 pm-9:40 am

1 stop7h 30m

Charleston

Tue 6/3

2:38 pm-10:00 pm

1 stop10h 22m

$272

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Sat 4/19

11:45 pm-10:31 am

1 stop7h 46m

Charleston

Wed 4/23

6:00 am-3:58 pm

2 stops12h 58m

$277

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Wed 5/7

6:00 am-8:38 am

2 stops23h 38m

Charleston

Mon 5/12

12:33 pm-2:25 pm

2 stops28h 52m

$284

SpokaneCharleston

GEG - CHS

GEGCHS

Spokane

Mon 6/2

7:25 pm-11:17 am

2 stops12h 52m

Charleston

Tue 6/10

2:53 pm-9:50 pm

1 stop9h 57m

$290

PascoCharleston

PSC - CHS

PSCCHS

Pasco Tri Cities

Tue 5/27

5:49 pm-8:35 am

2 stops11h 46m

Charleston

Thu 5/29

3:12 pm-11:29 pm

2 stops11h 17m

$297

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Wed 5/7

9:41 am-5:54 pm

Nonstop5h 13m

Charleston

Tue 5/13

6:54 pm-10:00 pm

Nonstop6h 06m

$298

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Tue 5/13

11:59 pm-12:05 pm

1 stop9h 06m

Charleston

Sat 5/17

6:18 am-10:49 am

1 stop7h 31m

$307

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Mon 4/21

11:19 pm-9:25 am

1 stop7h 06m

Charleston

Sat 4/26

5:35 am-11:23 am

1 stop8h 48m

$315

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Thu 5/8

1:10 am-12:05 pm

1 stop7h 55m

Charleston

Tue 5/13

7:14 pm-12:45 am

1 stop8h 31m

$318

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Tue 5/6

5:00 am-5:45 pm

1 stop9h 45m

Charleston

Tue 5/13

8:55 am-4:50 pm

2 stops10h 55m

$323

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 47 results

...

Best time to book a flight from Washington to Charleston

Have a flexible travel schedule? Discover the best time to fly to Charleston from Washington 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 Washington to Charleston

What is the cheapest month to book a flight from State of Washington to Charleston?

Currently, August is the cheapest month in which you can book a flight from State of Washington to Charleston (average of $217). Flying from State of Washington to Charleston in March is currently the most expensive (average of $335). 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 WA to CHS?

When flying from State of Washington to Charleston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from State of Washington to Charleston

The most flights from USWA to CHS are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Charleston by month

In terms of precipitation, rainfall in Charleston ranges from 2.4 - 7.2 inches per month. August is typically the wettest month, when rainfall can reach 7.2 in. November is typically the driest time to visit Charleston when rainfall is around 2.4 in.

Temperature in Charleston by month

If weather is an important factor for your trip to Charleston, 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 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Charleston

Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Washington to Charleston by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,818 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,818 reviews

Alaska Airlines

8.0

Very good

9,818 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Southwest

8.0

Very good

4,276 reviews

Alaska Airlines

8.0

Very good

9,818 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

7,899 reviews

Alaska Airlines

8.0

Very good

9,818 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Hawaiian Airlines

7.9

Good

2,342 reviews

Alaska Airlines

8.0

Very good

9,818 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,614 reviews

Alaska Airlines

8.0

Very good

9,818 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

What airport do you fly into for flights to Charleston from Washington?
Most people fly into Charleston (CHS) if they book a flight to Charleston from Washington. Charleston is conveniently located just 10.2 mi from Charleston’s city center.
How popular is this State of Washington to Charleston flight route?
The Washington to Charleston flight path was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
What are the cheapest airlines to fly from State of Washington to Charleston one-way?
One-way options have recently been found by users for as low as $119 on Alaska Airlines. Other airlines that offer cheap prices include American Airlines from $128 and Delta from $139 one-way.
What are the most popular routes from State of Washington to Charleston?
While some choose either Portland - Charleston or Spokane - Charleston, Seattle/Tacoma Intl - Charleston is the most popular route from State of Washington to Charleston.
What are the cheapest flights from State of Washington to Charleston?
While on average a flight from State of Washington to Charleston is generally $368, our data shows the cheapest flight currently is $174. When looking at the most popular route, (Seattle/Tacoma Intl - Charleston), you can expect to pay $257 for that flight.
Can I find deals for flights from Washington to Charleston that include hotel bookings?
Yes. In addition to deals on Washington to Charleston flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington to Charleston?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Charleston.
Can I find deals for business class flights from Washington to Charleston?
Yes. Cheapflights offers flight deals from Washington to Charleston 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 State of Washington to Charleston?
Currently, August is the cheapest month in which you can book a flight from State of Washington to Charleston (average of $217). Flying from State of Washington to Charleston in March is currently the most expensive (average of $335). 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

North Charleston

Summerville

Santee

Mount Pleasant

Isle of Palms

Folly Beach

Walterboro

Edisto Beach

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Top 6 airlines flying from Washington to Charleston

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$146	Average$408	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$238	Average$589	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$244	Average$509	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$256	Average$435	FlexibilityNo cancel fee	On-time71%
Hawaiian Airlines	Cheapest$338	Average$427	FlexibilityNo cancel fee	On-time85%
Southwest	Cheapest$356	Average$501	FlexibilityNo cancel fee	On-time63%

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$119+ Cheap flights from Washington to Charleston (CHS)

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Washington to Charleston

Keep the following information in mind while searching for Washington to Charleston flight deals. Data was last updated March 31, 2025.

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Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Washington to Charleston

Cheapest flights from Washington to CharlestonExplore the most affordable flight options available from Washington to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

Explore the most affordable flight options available from Washington to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Washington to Charleston

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

Cheapflights Insights

Everything you need to know about your flight from Washington to Charleston

What is the cheapest month to book a flight from State of Washington to Charleston?

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

Find hourly flight availability from Washington to Charleston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 31, 2025.

Weekly flight availability from State of Washington to Charleston

Rainfall in Charleston by month

Plan your trip to Charleston by taking into account the average rainfall totals by month.

Temperature in Charleston by month

Plan your trip to Charleston by taking into account the average temperature totals by month.

Reviews of airlines servicing Charleston

Related info for your journey

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

What airport do you fly into for flights to Charleston from Washington?

How popular is this State of Washington to Charleston flight route?

What are the cheapest airlines to fly from State of Washington to Charleston one-way?

What are the most popular routes from State of Washington to Charleston?

What are the cheapest flights from State of Washington to Charleston?

Can I find deals for flights from Washington to Charleston that include hotel bookings?

How can I find direct flights from Washington to Charleston?

Can I find deals for business class flights from Washington to Charleston?

What is the cheapest month to book a flight from State of Washington to Charleston?

Traveling to a place near Washington?

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Alternative routes for Washington to Charleston

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Top 6 airlines flying from Washington to Charleston

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Cheapest flights from Washington to Charleston
Explore the most affordable flight options available from Washington to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.