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

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

What airlines fly to State of Washington?

American Airlines, Alaska Airlines and Delta are the top three most popular airlines that fly to State of Washington from Charleston according to our data. American Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 5 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

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

The number of flights available between Charleston and State of Washington is 1 per week as of August 2026. The most frequent departure day is Sun, with 100% of weekly flights leaving on this day.

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

Prices for flights from Charleston Airport to Washington were last updated today.

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

As of August 2026, there are 5 operators available to choose from for flights from Charleston Airport to Washington.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Charleston Airport to Washington.

What documentation or ID do you need to fly to Washington?

The necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$119 Cheap Flights from Charleston to Washington in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Charleston to Washington

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One-way

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3:05 pm - 10:36 pmCHS Charleston-SEA Seattle/Tacoma Intl

10h 31m1 stop Newark

11:14 pm - 10:02 amSEA Seattle/Tacoma Intl-CHS Charleston

7h 48m1 stop Washington, D.C. Dulles Intl

$242United Airlines

Sat, Oct 10 - Sat, Oct 17

3:05 pm - 10:36 pmCHS Charleston-SEA Seattle/Tacoma Intl

10h 31m1 stop Newark

11:13 pm - 10:27 amSEA Seattle/Tacoma Intl-CHS Charleston

8h 14m1 stop Chicago O'Hare Intl

$242United Airlines

Sat, Oct 17 - Tue, Oct 20

7:18 am - 2:51 pmCHS Charleston-SEA Seattle/Tacoma Intl

10h 33m1 stop Chicago O'Hare Intl

11:57 pm - 1:16 pmSEA Seattle/Tacoma Intl-CHS Charleston

10h 19m1 stop Chicago O'Hare Intl

$247American Airlines

Sat, Sep 26 - Sat, Oct 3

4:14 pm - 12:35 amCHS Charleston-SEA Seattle/Tacoma Intl

11h 21m1 stop Chicago O'Hare Intl

11:34 pm - 11:24 amSEA Seattle/Tacoma Intl-CHS Charleston

8h 50m1 stop Chicago O'Hare Intl

$247American Airlines

Tue, Nov 3 - Sat, Nov 7

4:20 pm - 11:52 pmCHS Charleston-SEA Seattle/Tacoma Intl

10h 32m1 stop Atlanta Hartsfield-Jackson

10:59 pm - 12:11 pmSEA Seattle/Tacoma Intl-CHS Charleston

10h 12m1 stop New York John F Kennedy Intl

$247Delta

Fri, Oct 16 - Mon, Oct 19

4:27 pm - 9:49 pmCHS Charleston-SEA Seattle/Tacoma Intl

8h 22m1 stop Atlanta Hartsfield-Jackson

10:40 pm - 12:11 pmSEA Seattle/Tacoma Intl-CHS Charleston

10h 31m1 stop New York John F Kennedy Intl

$247Delta

Sat, Oct 3 - Mon, Oct 5

7:15 pm - 12:35 amCHS Charleston-SEA Seattle/Tacoma Intl

8h 20m1 stop Chicago Midway

12:15 am - 1:20 pmSEA Seattle/Tacoma Intl-CHS Charleston

10h 05m2 stops Chicago Midway Baltimore/Washington

$252Southwest

Thu, Oct 29 - Sun, Nov 1

6:30 pm - 11:55 pmCHS Charleston-SEA Seattle/Tacoma Intl

8h 25m1 stop Chicago Midway

11:05 pm - 10:55 amSEA Seattle/Tacoma Intl-CHS Charleston

8h 50m1 stop Chicago Midway

$261Southwest

Mon, Sep 21 - Thu, Sep 24

7:09 pm - 10:00 pmCHS Charleston-SEA Seattle/Tacoma Intl

5h 51mnonstop

9:39 am - 6:06 pmSEA Seattle/Tacoma Intl-CHS Charleston

5h 27mnonstop

$357Alaska Airlines

Thu, Sep 24 - Mon, Sep 28

6:59 pm - 9:55 pmCHS Charleston-SEA Seattle/Tacoma Intl

5h 56mnonstop

9:33 am - 5:55 pmSEA Seattle/Tacoma Intl-CHS Charleston

5h 22mnonstop

$357Alaska Airlines

Sat, Oct 10 - Mon, Oct 19

Cheap last minute flights

Enter your travel dates to find the best prices.

4:56 pm - 11:57 pmCHS Charleston-SEA Seattle/Tacoma Intl

10h 01m1 stop Atlanta Hartsfield-Jackson

11:10 pm - 12:17 pmSEA Seattle/Tacoma Intl-CHS Charleston

10h 07m1 stop Detroit Metropolitan Wayne County

$307Delta

Sat, Aug 29 - Tue, Sep 1

6:00 am - 2:50 pmCHS Charleston-SEA Seattle/Tacoma Intl

11h 50m1 stop New York John F Kennedy Intl

10:40 pm - 12:07 pmSEA Seattle/Tacoma Intl-CHS Charleston

10h 27m1 stop New York John F Kennedy Intl

$307Delta

Wed, Aug 26 - Sat, Aug 29

2:54 pm - 10:43 pmCHS Charleston-SEA Seattle/Tacoma Intl

10h 49m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

11:00 pm - 10:36 amSEA Seattle/Tacoma Intl-CHS Charleston

8h 36m1 stop Chicago O'Hare Intl

$312United Airlines

Sat, Aug 29 - Tue, Sep 1

7:00 am - 2:45 pmCHS Charleston-SEA Seattle/Tacoma Intl

10h 45m1 stop Chicago O'Hare Intl

11:00 am - 11:59 pmSEA Seattle/Tacoma Intl-CHS Charleston

9h 59m1 stop Chicago O'Hare Intl

$358American Airlines

Wed, Aug 26 - Sat, Aug 29

6:30 pm - 11:55 pmCHS Charleston-SEA Seattle/Tacoma Intl

8h 25m1 stop Chicago Midway

5:40 am - 9:15 pmSEA Seattle/Tacoma Intl-CHS Charleston

12h 35m1 stop Chicago Midway

$388Southwest

Fri, Aug 28 - Sun, Aug 30

11:00 am - 6:15 pmCHS Charleston-SEA Seattle/Tacoma Intl

10h 15m2 stops Nashville Intl Denver Intl

11:05 pm - 12:35 pmSEA Seattle/Tacoma Intl-CHS Charleston

10h 30m2 stops Chicago Midway Baltimore/Washington

$403Southwest

Sat, Aug 29 - Tue, Sep 1

2:06 pm - 6:48 pmCHS Charleston-SEA Seattle/Tacoma Intl

7h 42m1 stop Charlotte Douglas

11:16 pm - 12:40 pmSEA Seattle/Tacoma Intl-CHS Charleston

10h 24m1 stop Dallas/Fort Worth

$409American Airlines

Thu, Aug 27 - Sat, Aug 29

2:54 pm - 11:04 pmCHS Charleston-SEA Seattle/Tacoma Intl

11h 10m2 stops Washington, D.C. Dulles Intl Denver Intl

5:00 am - 3:28 pmSEA Seattle/Tacoma Intl-CHS Charleston

7h 28m1 stop Denver Intl

$414United Airlines

Thu, Aug 27 - Sat, Aug 29

9:28 am - 11:35 amCHS Charleston-PDX Portland

29h 07m1 stop Los Angeles

5:56 pm - 7:38 amPDX Portland-CHS Charleston

34h 42m2 stops Los Angeles Orlando

$503Multiple Airlines

Wed, Aug 26 - Sat, Aug 29

7:08 pm - 9:59 pmCHS Charleston-SEA Seattle/Tacoma Intl

5h 51mnonstop

9:45 am - 6:05 pmSEA Seattle/Tacoma Intl-CHS Charleston

5h 20mnonstop

$571Alaska Airlines

Wed, Aug 26 - Sat, Aug 29

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American Airlines flights from Charleston to State of Washington

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

American Airlines

Sep 16

CHS2:06 pmCharleston

10h 30m

1 stop

SEA9:36 pmSeattle/Tacoma Intl

Sep 23

SEA6:40 amSeattle/Tacoma Intl

7h 10m

1 stop

CHS4:50 pmCharleston

$275

American Airlines

Nov 22

CHS12:16 pmCharleston

11h 09m

1 stop

SEA8:25 pmSeattle/Tacoma Intl

Dec 1

SEA5:40 amSeattle/Tacoma Intl

7h 28m

1 stop

CHS4:08 pmCharleston

$293

American Airlines

Sep 21

CHS2:06 pmCharleston

10h 30m

1 stop

SEA9:36 pmSeattle/Tacoma Intl

Sep 24

SEA10:59 amSeattle/Tacoma Intl

9h 00m

1 stop

CHS10:59 pmCharleston

$303

United Airlines flights from Charleston to State of Washington

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

United Airlines

Oct 10

CHS3:05 pmCharleston

10h 31m

1 stop

SEA10:36 pmSeattle/Tacoma Intl

Oct 17

SEA11:14 pmSeattle/Tacoma Intl

7h 48m

1 stop

CHS10:02 amCharleston

$242

United Airlines

Sep 18

CHS4:58 pmCharleston

8h 47m

1 stop

SEA10:45 pmSeattle/Tacoma Intl

Sep 25

SEA11:13 pmSeattle/Tacoma Intl

8h 14m

1 stop

CHS10:27 amCharleston

$247

United Airlines

Sep 15

CHS2:54 pmCharleston

10h 51m

2 stops

SEA10:45 pmSeattle/Tacoma Intl

Sep 18

SEA11:04 pmSeattle/Tacoma Intl

7h 59m

1 stop

CHS10:03 amCharleston

$252

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CharlestonSeattle

CHS Charleston - SEA Seattle/Tacoma Intl

CHSSEA

Charleston

Sat 10/10

3:05 pm-10:36 pm

1 stop10h 31m

Seattle/Tacoma Intl

Sat 10/17

11:14 pm-10:02 am

1 stop7h 48m

$242

CharlestonSeattle

CHS Charleston - SEA Seattle/Tacoma Intl

CHSSEA

Charleston

Sat 10/17

3:05 pm-10:36 pm

1 stop10h 31m

Seattle/Tacoma Intl

Tue 10/20

11:13 pm-10:27 am

1 stop8h 14m

$242

CharlestonSeattle

CHS Charleston - SEA Seattle/Tacoma Intl

CHSSEA

Charleston

Sat 9/26

7:18 am-2:51 pm

1 stop10h 33m

Seattle/Tacoma Intl

Sat 10/3

11:57 pm-1:16 pm

1 stop10h 19m

$247

CharlestonSeattle

CHS Charleston - SEA Seattle/Tacoma Intl

CHSSEA

Charleston

Tue 11/3

4:14 pm-12:35 am

1 stop11h 21m

Seattle/Tacoma Intl

Sat 11/7

11:34 pm-11:24 am

1 stop8h 50m

$247

CharlestonSeattle

CHS Charleston - SEA Seattle/Tacoma Intl

CHSSEA

Charleston

Fri 10/16

4:20 pm-11:52 pm

1 stop10h 32m

Seattle/Tacoma Intl

Mon 10/19

10:59 pm-12:11 pm

1 stop10h 12m

$247

CharlestonSeattle

CHS Charleston - SEA Seattle/Tacoma Intl

CHSSEA

Charleston

Sat 10/3

4:27 pm-9:49 pm

1 stop8h 22m

Seattle/Tacoma Intl

Mon 10/5

10:40 pm-12:11 pm

1 stop10h 31m

$247

CharlestonSeattle

CHS Charleston - SEA Seattle/Tacoma Intl

CHSSEA

Charleston

Thu 10/29

7:15 pm-12:35 am

1 stop8h 20m

Seattle/Tacoma Intl

Sun 11/1

12:15 am-1:20 pm

2 stops10h 05m

$252

CharlestonSeattle

CHS Charleston - SEA Seattle/Tacoma Intl

CHSSEA

Charleston

Mon 9/21

6:30 pm-11:55 pm

1 stop8h 25m

Seattle/Tacoma Intl

Thu 9/24

11:05 pm-10:55 am

1 stop8h 50m

$261

Quickest round-trip

CharlestonSeattle

CHS Charleston - SEA Seattle/Tacoma Intl

CHSSEA

Charleston

Thu 9/24

7:09 pm-10:00 pm

Nonstop5h 51m

Seattle/Tacoma Intl

Mon 9/28

9:39 am-6:06 pm

Nonstop5h 27m

$357

CharlestonSeattle

CHS Charleston - SEA Seattle/Tacoma Intl

CHSSEA

Charleston

Sat 10/10

6:59 pm-9:55 pm

Nonstop5h 56m

Seattle/Tacoma Intl

Mon 10/19

9:33 am-5:55 pm

Nonstop5h 22m

$357

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 Charleston to State of Washington

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 State of Washington?

The month of February is, on average, the cheapest month to fly to State of Washington from Charleston, with most prices found around $272. If you aren’t able to travel to State of Washington during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $290.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Charleston to State of Washington is on a Wednesday. Travelers who choose to depart for State of Washington on a Wednesday will often find tickets for as low as $435. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Charleston to State of Washington for around $706.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is in the evening when flights can be purchased for as low as $419. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,594 on average. Flights to State of Washington from Charleston in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Charleston to Washington flight route?

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

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

You are more likely to see cheaper flights to State of Washington from Charleston when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $371 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Charleston for as low as $330 on momondo.

What cabin class options are available on Charleston to State of Washington flights?

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

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

No. A direct flight is the cheapest option for a flight between Charleston to State of Washington.

Cheap Charleston to State of Washington flight deals and tips

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

Best Price Found	$119
Fastest flight time	5h 51m
Direct flights	Every day
Airports in State of Washington	96 airports

The best one-way flight to State of Washington from Charleston in the past 72 hours is $119. The best round-trip flight deal from Charleston to State of Washington found on momondo in the last 72 hours is $242.

The fastest flight from Charleston to State of Washington takes 5h 51m

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

There are 96 airports in State of Washington. From Charleston there are direct flights to Seattle/Tacoma Intl (SEA).

Search flight deals

Frequently asked questions about flying from Charleston to Washington

When did momondo last update prices for flights from Charleston Airport to Washington?
Prices for flights from Charleston Airport to Washington were last updated today.
How many operators does momondo search for flights from Charleston Airport to Washington?
As of August 2026, there are 5 operators available to choose from for flights from Charleston Airport to Washington.
How old do you have to be to fly from Charleston Airport to Washington?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Charleston Airport to Washington.
What documentation or ID do you need to fly to Washington?
The necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Charleston to State of Washington?
momondo data reveals that the most frequently booked plane model on the route from Charleston to State of Washington is Boeing 737 MAX 9, representing 53.97% of all bookings. The subsequent popular models are Boeing 737-900 Passenger/BBJ3 (winglets) at 14.29%, Boeing 737 MAX 8 at 9.52%, and Boeing 737 at 7.94%.

Best airlines flying from Charleston to State of Washington

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $139	Free Cancellation	Rating 7.8 8,520 reviews	Search Delta flights
American Airlines	PriceFrom $178	Free Cancellation	Rating 7.1 11,986 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $217	Free Cancellation	Rating 7.9 12,841 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $225	Free Cancellation	Rating 8.0 4,209 reviews	Search Southwest flights
United Airlines	PriceFrom $226	Free Cancellation	Rating 7.4 10,116 reviews	Search United Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington from Charleston.

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

momondo does allow users to show only those flights to Washington 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?

Once all potential Charleston to Washington flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Washington from Charleston 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 State of Washington trip

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Flights to Dallasfrom $56

Cheap flights from Charleston to Washington from $119

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 departing on 10/14. 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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American Airlines flights from Charleston to State of Washington

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

United Airlines flights from Charleston to State of Washington

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

momondo Fare Finder

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

See travel insights to Washington from

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

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

What is the cheapest day to depart on your flight to State of Washington?

What is the cheapest time of day to depart on your flight to State of Washington?

What is the cheapest Charleston to Washington flight route?

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

What cabin class options are available on Charleston to State of Washington flights?

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

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

What airlines fly to State of Washington?

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

Cheap Charleston to State of Washington flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in State of Washington

Frequently asked questions about flying from Charleston to Washington

Best airlines flying from Charleston to State of Washington

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

Why use momondo?

An easier way to manage your State of Washington 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 Washington

Popular cities in Washington

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

Charleston flight routes

According to popular flight searches on momondo this year

State of Washington flight routes

According to popular flight searches on momondo this year

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