What is the cheapest airline that flies from Washington to Charleston?

Southwest, American Airlines, and Delta are the most popular carriers operating from Washington to Charleston

How many flights depart from State of Washington to Charleston on average per week?

As of May 2026, there are 1 flights per week flying from State of Washington to Charleston. The most common day of the week flights depart is Mon, with 100% of flights taking off on this day.

What airlines fly to Charleston?

American Airlines, Alaska Airlines and Delta are the top three most popular airlines that fly to Charleston from State of Washington according to our data. American Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Charleston. Keep in mind that there are 6 different airlines that fly to Charleston on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Charleston?

On average, it takes 5h 18m to fly from State of Washington to Charleston if you fly out of Seattle (the most popular airport in State of Washington) and into Charleston (the most popular airport in Charleston). If you’re flying out of Spokane and into Charleston, then the flight time is around 6h 20m.

When did momondo last update prices for flights from Washington to Charleston Airport?

Prices for flights from Washington to Charleston Airport refresh daily.

How many operators does momondo search for flights from Washington to Charleston Airport?

As of May 2026, there are 6 operators available to choose from for flights from Washington to Charleston Airport.

How old do you have to be to fly from Washington to Charleston Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Charleston Airport.

What documentation or ID do you need to fly to Charleston Airport?

The travel and health documents you'll need for your trip to Charleston 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 Charleston Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$109 Cheap Flights from Washington to Charleston in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Washington to Charleston

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:45 pm - 1:10 pm

SEA

CHS

11h 25m

1 stop

7:15 pm - 12:05 am

CHS

SEA

7h 50m

1 stop

$222Southwest

Mon, Jun 8 - Sat, Jun 13

11:30 am - 11:59 pm

SEA

CHS

9h 29m

1 stop

7:05 am - 2:50 pm

CHS

SEA

10h 45m

1 stop

$225Delta

Wed, May 27 - Fri, Jun 5

10:17 am - 10:39 pm

SEA

CHS

9h 22m

1 stop

3:41 pm - 10:26 pm

CHS

SEA

9h 45m

1 stop

$227American Airlines

Wed, Aug 26 - Tue, Sep 1

6:45 am - 6:50 pm

SEA

CHS

9h 05m

1 stop

7:15 pm - 12:05 am

CHS

SEA

7h 50m

1 stop

$231Southwest

Sat, Jun 6 - Sat, Jun 13

7:20 pm - 10:10 am

SEA

CHS

11h 50m

2 stops

7:15 pm - 12:05 am

CHS

SEA

7h 50m

1 stop

$232Southwest

Mon, Jun 8 - Sat, Jun 13

11:58 pm - 11:33 am

SEA

CHS

8h 35m

1 stop

7:10 pm - 12:59 am

CHS

SEA

8h 49m

1 stop

$247American Airlines

Mon, Jun 8 - Sat, Jun 13

4:06 pm - 8:35 pm

PDX

CHS

25h 29m

1 stop

8:48 pm - 1:48 pm

CHS

PDX

20h 00m

1 stop

$321Allegiant Air

Thu, Jun 4 - Sat, Jun 6

6:28 pm - 12:01 pm

PDX

CHS

14h 33m

1 stop

8:48 pm - 1:48 pm

CHS

PDX

20h 00m

1 stop

$364Multiple Airlines

Wed, Jun 3 - Sat, Jun 6

6:00 am - 5:34 pm

PSC

CHS

8h 34m

1 stop

6:34 pm - 11:49 pm

CHS

PSC

8h 15m

1 stop

$447Alaska Airlines

Sat, Aug 29 - Wed, Sep 2

6:15 am - 5:07 pm

YKM

CHS

7h 52m

1 stop

6:07 pm - 11:55 pm

CHS

YKM

8h 48m

1 stop

$482Alaska Airlines

Sat, Sep 19 - Wed, Sep 23

American Airlines flights from State of Washington to Charleston

Our best American Airlines deals on State of Washington to Charleston flight tickets

American Airlines

Aug 26

SEA10:17 amSeattle/Tacoma Intl

9h 22m

1 stop

CHS10:39 pmCharleston

Sep 1

CHS3:41 pmCharleston

9h 45m

1 stop

SEA10:26 pmSeattle/Tacoma Intl

$227

American Airlines

Jun 8

SEA11:58 pmSeattle/Tacoma Intl

8h 35m

1 stop

CHS11:33 amCharleston

Jun 13

CHS7:10 pmCharleston

8h 49m

1 stop

SEA12:59 amSeattle/Tacoma Intl

$247

American Airlines

May 28

SEA10:27 amSeattle/Tacoma Intl

9h 33m

1 stop

CHS11:00 pmCharleston

Jun 4

CHS1:51 pmCharleston

12h 07m

1 stop

SEA10:58 pmSeattle/Tacoma Intl

$265

Alaska Airlines flights from State of Washington to Charleston

Our best Alaska Airlines deals on State of Washington to Charleston flight tickets

Alaska Airlines

Aug 26

SEA9:15 amSeattle/Tacoma Intl

5h 19m

CHS5:34 pmCharleston

Sep 1

CHS6:34 pmCharleston

5h 53m

SEA9:27 pmSeattle/Tacoma Intl

$337

Alaska Airlines

May 29

SEA10:00 amSeattle/Tacoma Intl

5h 26m

CHS6:26 pmCharleston

Jun 3

CHS7:26 pmCharleston

6h 03m

SEA10:29 pmSeattle/Tacoma Intl

$347

Alaska Airlines

Aug 29

PSC6:00 amPasco Tri Cities

8h 34m

1 stop

CHS5:34 pmCharleston

Sep 2

CHS6:34 pmCharleston

8h 15m

1 stop

PSC11:49 pmPasco Tri Cities

$447

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Mon 6/8

10:45 pm-1:10 pm

1 stop11h 25m

Charleston

Sat 6/13

7:15 pm-12:05 am

1 stop7h 50m

$222

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Wed 5/27

11:30 am-11:59 pm

1 stop9h 29m

Charleston

Fri 6/5

7:05 am-2:50 pm

1 stop10h 45m

$225

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Wed 8/26

10:17 am-10:39 pm

1 stop9h 22m

Charleston

Tue 9/1

3:41 pm-10:26 pm

1 stop9h 45m

$227

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Sat 6/6

6:45 am-6:50 pm

1 stop9h 05m

Charleston

Sat 6/13

7:15 pm-12:05 am

1 stop7h 50m

$231

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Mon 6/8

7:20 pm-10:10 am

2 stops11h 50m

Charleston

Sat 6/13

7:15 pm-12:05 am

1 stop7h 50m

$232

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Mon 6/8

11:58 pm-11:33 am

1 stop8h 35m

Charleston

Sat 6/13

7:10 pm-12:59 am

1 stop8h 49m

$247

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Thu 6/4

4:06 pm-8:35 pm

1 stop25h 29m

Charleston

Sat 6/6

8:48 pm-1:48 pm

1 stop20h 00m

$321

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Wed 6/3

6:28 pm-12:01 pm

1 stop14h 33m

Charleston

Sat 6/6

8:48 pm-1:48 pm

1 stop20h 00m

$364

PascoCharleston

PSC - CHS

PSCCHS

Pasco Tri Cities

Sat 8/29

6:00 am-5:34 pm

1 stop8h 34m

Charleston

Wed 9/2

6:34 pm-11:49 pm

1 stop8h 15m

$447

Quickest round-trip

YakimaCharleston

YKM - CHS

YKMCHS

Yakima Air Terminal

Sat 9/19

6:15 am-5:07 pm

1 stop7h 52m

Charleston

Wed 9/23

6:07 pm-11:55 pm

1 stop8h 48m

$482

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington to Charleston

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

Prices

Airlines

Other information

What is the cheapest month to fly to Charleston?

The cheapest month to fly to Charleston from State of Washington is in August. Flight prices, which tend to average around $98, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Charleston, with average flight prices from State of Washington averaging around $98.

What is the cheapest day to depart on your flight to Charleston?

The cheapest day to depart from State of Washington to Charleston is on a Saturday. Travelers who choose to depart for Charleston on a Saturday will often find tickets for as low as $348. The most expensive day to fly to Charleston is Sunday, with ticket prices averaging around $538.

What is the cheapest Washington to Charleston flight route?

Fly from Seattle/Tacoma Intl to Charleston for the best Washington - Charleston flight prices

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

You are more likely to see cheaper flights to Charleston from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Charleston for around $389 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Charleston from State of Washington for as low as $260 on momondo.

Can stopping save me money on State of Washington to Charleston flights?

You could potentially save up to 39% on your flight if you consider stops on a State of Washington to Charleston flight.

Cheap State of Washington to Charleston flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Charleston

Best Price Found	$198
Fastest flight time	5h 19m
Direct flights	Every day
Airports in Charleston	1 airport

The best one-way flight to Charleston from State of Washington in the past 72 hours is $198. The best round-trip flight deal from State of Washington to Charleston found on momondo in the last 72 hours is $442.

The fastest flight from State of Washington to Charleston takes 5h 19m

Direct flights go from State of Washington to Charleston every day.

There is 1 airport in Charleston. From State of Washington there are direct flights to Charleston (CHS).

Search flight deals

Frequently asked questions about flying from Washington to Charleston

When did momondo last update prices for flights from Washington to Charleston Airport?
Prices for flights from Washington to Charleston Airport refresh daily.
How many operators does momondo search for flights from Washington to Charleston Airport?
As of May 2026, there are 6 operators available to choose from for flights from Washington to Charleston Airport.
How old do you have to be to fly from Washington to Charleston Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Charleston Airport.
What documentation or ID do you need to fly to Charleston Airport?
The travel and health documents you'll need for your trip to Charleston 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 Charleston 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 State of Washington to Charleston?
Based on momondo bookings for flights between State of Washington and Charleston, the leading plane model is Boeing 737 MAX 9, making up 34.09% of the total bookings. Other popular models include Boeing 737-900 Passenger/BBJ3 (winglets) with 31.82%, Boeing 737-800 Passenger/BBJ2 (winglets) with 9.09%, and Airbus A321-100/200 with 6.82%.

Best airlines flying from State of Washington to Charleston

Compare and see reviews for airlines that fly from State of Washington to Charleston with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $98	Free Cancellation	Rating 7.9 8,450 reviews	Search Delta flights
Alaska Airlines	PriceFrom $137	Free Cancellation	Rating 7.9 12,352 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $173	Free Cancellation	Rating 7.9 4,300 reviews	Search Southwest flights
American Airlines	PriceFrom $178	Free Cancellation	Rating 7.1 11,667 reviews	Search American Airlines flights
Hawaiian Airlines	PriceFrom $189	Free Cancellation	Rating 7.8 2,837 reviews	Search Hawaiian Airlines flights
United Airlines	PriceFrom $196	Free Cancellation	Rating 7.4 9,699 reviews	Search United Airlines flights

Folly Beach

Isle of Palms

Summerville

North Charleston

Kiawah Island

Mount Pleasant

Edisto Island

Santee

Walterboro

Goose Creek

Edisto Beach

Seabrook Island

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Charleston?

It is quick and easy to find Washington to Charleston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Charleston that suits you.

Can I find flights from Washington to Charleston with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Charleston from Washington with this policy.

How can momondo help me find flights from Washington to Charleston?

momondo provides multiple filters to help you find the best flight to Charleston from Washington. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Charleston from Washington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Charleston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Wed 6/10

Wed 6/17

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Nearby airports

Airlines

Cabin classes

Other United States destinations

Other flights from Washington

Complete your trip

Feeling lucky

Airports servicing South Carolina

Columbia Metropolitan Airport

Florence Airport

Greenville Airport

Hilton Head Island Airport

Myrtle Beach Intl Airport

Cheap flights from Washington to Charleston from $109

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Charleston departing on 6/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Washington to Charleston

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

American Airlines flights from State of Washington to Charleston

Our best American Airlines deals on State of Washington to Charleston flight tickets

Alaska Airlines flights from State of Washington to Charleston

Our best Alaska Airlines deals on State of Washington to Charleston flight tickets

momondo Fare Finder

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

See travel insights to Charleston from

How to get the cheapest flight ticket from State of Washington to Charleston

What is the cheapest month to fly to Charleston?

What is the cheapest day to depart on your flight to Charleston?

What is the cheapest Washington to Charleston flight route?

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

Can stopping save me money on State of Washington to Charleston flights?

What is the cheapest airline that flies from Washington to Charleston?

What airlines fly to Charleston?

How many flights depart from State of Washington to Charleston on average per week?

How long does it take to fly to Charleston?

Cheap State of Washington to Charleston flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Charleston

Best Price Found

Fastest flight time

Direct flights

Airports in Charleston

Frequently asked questions about flying from Washington to Charleston

Best airlines flying from State of Washington to Charleston

Compare and see reviews for airlines that fly from State of Washington to Charleston with momondo

Traveling to a place near Charleston?

Why use momondo?

An easier way to manage your Charleston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing South Carolina

Fly your favorite airline to Charleston

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Charleston

List of cabin classes available on flights landing in Charleston. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Washington

According to popular flight searches on momondo this year

Complete your trip to Charleston

Explore popular destinations other users love

According to popular flight searches on momondo this year