HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington

$128+ Cheap flights from Charleston (CHS) to Washington

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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — SEA
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Charleston to Washington with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Charleston to Washington

Keep the following information in mind while searching for Charleston to Washington flight deals. Data was last updated April 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$255
(American Airlines)

One-way from

$128
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$438

Good round-trip deal

$338 or less

Good one-way deal

$209 or less
Provider with most accurate pricing for Charleston-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Charleston-Seattle/Tacoma Intl flights.
Search Deals
From Charleston to Washington
Search Deals
One-way flight from Charleston to Washington
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Charleston to Washington.
Search Deals
Price to beat on a one-way flight from Charleston to Washington.
Search Deals

Find flight deals from Charleston to Washington

Cheapest flights from Charleston to Washington
Explore the most affordable flight options available from Charleston to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/115:15 pmCHS - GEG
1 stop7h 44mDelta
Tue 7/111:10 pmGEG - CHS
1 stop6h 33mDelta
Deal found 4/29$255
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/32:38 pmCHS - PDX
2 stops11h 03mDelta
Sat 6/710:20 amPDX - CHS
2 stops10h 24mDelta
Deal found 4/29$265
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/156:30 amCHS - SEA
1 stop7h 55mUnited Airlines
Tue 5/2011:59 pmSEA - CHS
1 stop7h 32mUnited Airlines
Deal found 4/28$272
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/294:24 pmCHS - PDX
1 stop9h 35mAmerican Airlines
Thu 6/510:54 pmPDX - CHS
1 stop8h 25mAmerican Airlines
Deal found 4/29$277
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/33:12 pmCHS - SEA
1 stop8h 07mDelta
Wed 6/1111:40 pmSEA - CHS
1 stop6h 59mDelta
Deal found 4/29$287
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/217:00 amCHS - PDX
1 stop9h 01mUnited Airlines
Mon 5/268:30 amPDX - CHS
1 stop10h 02mUnited Airlines
Deal found 4/28$287
This Alaska Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/66:45 pmCHS - SEA
Nonstop5h 57mAlaska Airlines
Mon 10/139:15 amSEA - CHS
Nonstop5h 16mAlaska Airlines
Deal found 4/29$298
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/307:07 pmCHS - SEA
1 stop8h 36mAmerican Airlines
Tue 8/512:57 amSEA - CHS
1 stop9h 58mAmerican Airlines
Deal found 4/29$302
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2710:45 amCHS - SEA
1 stop12h 30mSouthwest
Tue 9/95:15 amSEA - CHS
2 stops9h 45mSouthwest
Deal found 4/28$308
This EaseMyTrip deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/216:17 pmCHS - SEA
Nonstop5h 46mHawaiian Airlines
Mon 9/298:59 amSEA - CHS
Nonstop5h 18mHawaiian Airlines
Deal found 4/28$339
This Expedia deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2912:47 pmCHS - SEA
1 stop12h 58mMultiple Airlines
Tue 6/39:30 amSEA - CHS
Nonstop5h 21mMultiple Airlines
Deal found 4/29$340
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/197:06 amCHS - GEG
1 stop7h 39mAmerican Airlines
Mon 8/256:00 amGEG - CHS
1 stop9h 34mAmerican Airlines
Deal found 4/29$358

Cheapflights Fare Finder

Customize your flight search to find flights from Charleston to Washington 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, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2025.
Use the filters below to find and compare flights from Charleston to Washington that are best for you.

Fly from

Charleston

Fly to

Washington

Route

Depart

Return

Price

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Fri 5/30

4:24 pm-10:59 pm

1 stop9h 35m

Portland

Tue 6/3

9:38 pm-10:45 am

1 stop10h 07m

$255

CharlestonSpokane

CHS - GEG

CHSGEG

Charleston

Wed 6/11

5:15 pm-9:59 pm

1 stop7h 44m

Spokane

Tue 7/1

11:10 pm-8:43 am

1 stop6h 33m

$255

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Fri 5/30

10:45 am-10:01 pm

2 stops14h 16m

Portland

Tue 6/3

7:14 am-8:43 pm

1 stop10h 29m

$260

CharlestonSeattle

CHS - SEA

CHSSEA

Charleston

Thu 5/15

6:30 am-11:25 am

1 stop7h 55m

Seattle/Tacoma Intl

Tue 5/20

11:59 pm-10:31 am

1 stop7h 32m

$272

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Wed 5/21

7:00 am-1:01 pm

1 stop9h 01m

Portland

Mon 5/26

8:30 am-9:32 pm

1 stop10h 02m

$287

CharlestonSeattle

CHS - SEA

CHSSEA

Charleston

Tue 6/3

2:38 pm-10:00 pm

1 stop10h 22m

Seattle/Tacoma Intl

Wed 6/4

6:00 am-5:19 pm

1 stop8h 19m

$287

CharlestonSeattle

CHS - SEA

CHSSEA

Charleston

Mon 10/6

6:45 pm-9:42 pm

Nonstop5h 57m

Seattle/Tacoma Intl

Mon 10/13

9:15 am-5:31 pm

Nonstop5h 16m

$298

CharlestonSeattle

CHS - SEA

CHSSEA

Charleston

Wed 7/30

7:07 pm-12:43 am

1 stop8h 36m

Seattle/Tacoma Intl

Tue 8/5

12:57 am-1:55 pm

1 stop9h 58m

$302

CharlestonSeattle

CHS - SEA

CHSSEA

Charleston

Wed 8/27

10:45 am-8:15 pm

1 stop12h 30m

Seattle/Tacoma Intl

Tue 9/9

5:15 am-6:00 pm

2 stops9h 45m

$308

CharlestonSeattle

CHS - SEA

CHSSEA

Charleston

Sun 9/21

6:17 pm-9:03 pm

Nonstop5h 46m

Seattle/Tacoma Intl

Mon 9/29

8:59 am-5:17 pm

Nonstop5h 18m

$339

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 42 results
1
2
3
...
5

Best time to book a flight from Charleston to Washington

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

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

Currently, January is the cheapest month in which you can book a flight from Charleston to State of Washington (average of $238). Flying from Charleston to State of Washington in July is currently the most expensive (average of $405). 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 WA?

Find hourly flight availability from Charleston to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Charleston to State of Washington as you normally would.

Weekly flight availability from Charleston to State of Washington

Explore weekly flight availability from Charleston to Washington. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 29, 2025.

The most flights from CHS to USWA are scheduled on a Tuesday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Washington by month

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

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

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

If weather is an important factor for your trip to State of Washington, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated April 29, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Charleston to Washington have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,936 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,402 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Charleston to Washington. 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 from for flights from Charleston to Washington?

    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.

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

    Flights from Charleston to Washington have been viewed 14 times in the past calendar month.

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

    The cheapest airlines for a one-way flight from Charleston to State of Washington are United Airlines ($128), American Airlines ($128), and Delta ($133).

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

    The most popular flight routes from Charleston to State of Washington are Charleston - Seattle/Tacoma Intl, Charleston - Portland and Charleston - Spokane.

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

    Looking at all options, your cheapest flight can be booked for $149. While the most popular route (Charleston - Seattle/Tacoma Intl) can be booked for $272 on average our data indicates $409 when flying from Charleston to State of Washington.

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

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

  • How can I find direct flights from Charleston to Washington?

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

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

    Yes. Cheapflights offers flight deals from Charleston to Washington 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 State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Charleston to State of Washington (average of $238). Flying from Charleston to State of Washington in July is currently the most expensive (average of $405). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Charleston to Washington

See prices for flight routes from nearby airports that may be better suited for you.
Charlotte to John F Kennedy Intl flights
Charlotte to Newark flights
Charlotte to LaGuardia flights
Charlotte to Boston flights
Charlotte to Denver flights
Charlotte to O'Hare Intl flights
Charlotte to Las Vegas flights
Charlotte to Seattle flights
Charlotte to Hobby flights
Charlotte to Fort Lauderdale flights
Charlotte to Orlando flights
Charlotte to George Bush Intcntl flights
Charlotte to Miami flights
Charleston to John F Kennedy Intl flights
Charlotte to Dallas/Fort Worth flights
Charleston to Las Vegas flights
Charlotte to San Francisco flights
Charleston to LaGuardia flights
Charleston to Seattle flights
Charlotte to Salt Lake City flights
Charlotte to Reagan-National flights
Charlotte to Dulles Intl flights
Charleston to Newark flights
Charlotte to Sky Harbor Intl flights
Charleston to O'Hare Intl flights
Charlotte to Baltimore flights
Greenville to Denver flights
Charlotte to Detroit flights
Charlotte to Honolulu flights
Charleston to Denver flights
Charlotte to Love Field flights
Savannah to Newark flights
Greenville to Newark flights
Charlotte to Los Angeles flights
Charlotte to Portland flights
Charleston to Boston flights
Savannah to Denver flights
Savannah to O'Hare Intl flights
Savannah to John F Kennedy Intl flights
Charlotte to New Orleans flights
Charlotte to Midway flights
Charlotte to Atlanta flights
Charleston to Reagan-National flights
Greenville to Seattle flights
Charlotte to San Diego flights
Charlotte to Buffalo flights
Charlotte to Tampa flights
Charlotte to Minneapolis flights
Greenville to John F Kennedy Intl flights
Charlotte to Hartford flights

Top 6 airlines flying from Charleston to Washington

Discover the top 6 airlines that operate flights from Charleston to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$182Average$279FlexibilityNo cancel feeOn-time65%
DeltaCheapest$199Average$422FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$236Average$443FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$236Average$431FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$256Average$449FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$268Average$388FlexibilityNo cancel feeOn-time85%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.