What is the cheapest airline that flies from Seattle/Tacoma Intl to Charleston?

Delta, United Airlines, and Alaska Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Charleston

Which layover airport has the shortest travel time from Seattle to Charleston?

Flights connecting via Charlotte (CLT) have the shortest average one-way travel time: 7h 05m.

Which airport is the most popular layover for flights between Seattle and Charleston?

Atlanta (ATL) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Seattle to Charleston?

Charlotte (CLT) has the shortest average layover time for this route: 0h 47m.

How many flights depart from Seattle to Charleston on average per week?

As of May 2026, 2 flights take off from Seattle and land in Charleston each week. The most common flight departure day for this route is Tue, with 50% of weekly 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 Seattle according to our data. American Airlines is the first choice among our users, with 45% 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.

Which layover airport offers the lowest fares from Seattle to Charleston?

Flights via Charlotte (CLT) offer the lowest average round-trip price of $158.

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Charleston Airport?

Prices for flights from Seattle/Tacoma Intl Airport to Charleston Airport refresh daily.

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Charleston Airport?

As of May 2026, there are 6 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Charleston Airport.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Charleston Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Charleston Airport.

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

The necessary travel and health documents for your Charleston Airport 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.

$109 Cheap Flights from Seattle to Charleston in 2026

Q: What is the typical price of a round-trip flight between Seattle and Charleston?

Prices are currently low for flights on this route. Typical prices usually range from $536 to $338. The lowest price recently found on this route was $217.

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Find the cheapest flights from Seattle to Charleston

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:20 am - 7:43 pm

SEA

CHS

8h 23m

1 stop

6:38 pm - 1:18 am

CHS

SEA

9h 40m

1 stop

$217American Airlines

Wed, Sep 23 - Tue, Oct 6

9:35 pm - 10:07 am

SEA

CHS

9h 32m

1 stop

1:51 pm - 10:58 pm

CHS

SEA

12h 07m

1 stop

$218American Airlines

Tue, Jun 9 - Tue, Jun 16

5:00 am - 6:50 pm

SEA

CHS

10h 50m

2 stops

5:55 pm - 12:30 am

CHS

SEA

9h 35m

1 stop

$222Southwest

Sat, Jun 6 - Thu, Jun 11

8:38 am - 6:52 pm

SEA

CHS

7h 14m

1 stop

6:45 pm - 11:57 pm

CHS

SEA

8h 12m

1 stop

$225Delta

Thu, Aug 27 - Sun, Aug 30

5:10 am - 5:58 pm

SEA

CHS

9h 48m

1 stop

6:45 pm - 11:57 pm

CHS

SEA

8h 12m

1 stop

$235Delta

Thu, Aug 27 - Sun, Aug 30

11:56 pm - 11:54 am

SEA

CHS

8h 58m

1 stop

7:21 pm - 12:57 am

CHS

SEA

8h 36m

1 stop

$237American Airlines

Tue, Jul 21 - Tue, Jul 28

10:47 pm - 10:04 am

SEA

CHS

8h 17m

1 stop

1:00 pm - 6:59 pm

CHS

SEA

8h 59m

1 stop

$263United Airlines

Mon, Sep 14 - Sat, Sep 19

10:23 am - 10:58 pm

SEA

CHS

9h 35m

1 stop

7:19 pm - 12:59 am

CHS

SEA

8h 40m

1 stop

$268American Airlines

Wed, May 27 - Tue, Jun 9

7:16 am - 5:38 pm

SEA

CHS

7h 22m

1 stop

2:17 pm - 8:23 pm

CHS

SEA

9h 06m

1 stop

$269Delta

Fri, Aug 21 - Tue, Aug 25

9:20 pm - 9:43 am

SEA

CHS

9h 23m

1 stop

10:30 am - 4:33 pm

CHS

SEA

9h 03m

1 stop

$271Delta

Thu, Oct 1 - Sat, Oct 17

Southwest flights from Seattle to Charleston

Our best Southwest deals on Seattle to Charleston flight tickets

Southwest

Jun 6

SEA5:00 amSeattle/Tacoma Intl

10h 50m

2 stops

CHS6:50 pmCharleston

Jun 11

CHS5:55 pmCharleston

9h 35m

1 stop

SEA12:30 amSeattle/Tacoma Intl

$222

Southwest

Jul 1

SEA7:35 amSeattle/Tacoma Intl

9h 50m

2 stops

CHS8:25 pmCharleston

Jul 21

CHS4:50 pmCharleston

9h 40m

1 stop

SEA11:30 pmSeattle/Tacoma Intl

$273

Southwest

Jun 5

SEA9:25 pmSeattle/Tacoma Intl

9h 30m

1 stop

CHS9:55 amCharleston

Jun 9

CHS1:50 pmCharleston

9h 35m

2 stops

SEA8:25 pmSeattle/Tacoma Intl

$297

Delta flights from Seattle to Charleston

Our best Delta deals on Seattle to Charleston flight tickets

Delta

Aug 27

SEA8:38 amSeattle/Tacoma Intl

7h 14m

1 stop

CHS6:52 pmCharleston

Aug 30

CHS6:45 pmCharleston

8h 12m

1 stop

SEA11:57 pmSeattle/Tacoma Intl

$225

Delta

Aug 27

SEA5:10 amSeattle/Tacoma Intl

9h 48m

1 stop

CHS5:58 pmCharleston

Aug 30

CHS6:45 pmCharleston

8h 12m

1 stop

SEA11:57 pmSeattle/Tacoma Intl

$235

Delta

Aug 21

SEA7:16 amSeattle/Tacoma Intl

7h 22m

1 stop

CHS5:38 pmCharleston

Aug 25

CHS2:17 pmCharleston

9h 06m

1 stop

SEA8:23 pmSeattle/Tacoma Intl

$269

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Wed 9/23

8:20 am-7:43 pm

1 stop8h 23m

Charleston

Tue 10/6

6:38 pm-1:18 am

1 stop9h 40m

$217

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Tue 6/9

9:35 pm-10:07 am

1 stop9h 32m

Charleston

Tue 6/16

1:51 pm-10:58 pm

1 stop12h 07m

$218

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Sat 6/6

5:00 am-6:50 pm

2 stops10h 50m

Charleston

Thu 6/11

5:55 pm-12:30 am

1 stop9h 35m

$222

Quickest round-trip

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Thu 8/27

8:38 am-6:52 pm

1 stop7h 14m

Charleston

Sun 8/30

6:45 pm-11:57 pm

1 stop8h 12m

$225

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Thu 8/27

5:10 am-5:58 pm

1 stop9h 48m

Charleston

Sun 8/30

6:45 pm-11:57 pm

1 stop8h 12m

$235

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Tue 7/21

11:56 pm-11:54 am

1 stop8h 58m

Charleston

Tue 7/28

7:21 pm-12:57 am

1 stop8h 36m

$237

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Mon 9/14

10:47 pm-10:04 am

1 stop8h 17m

Charleston

Sat 9/19

1:00 pm-6:59 pm

1 stop8h 59m

$263

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Wed 5/27

10:23 am-10:58 pm

1 stop9h 35m

Charleston

Tue 6/9

7:19 pm-12:59 am

1 stop8h 40m

$268

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Fri 8/21

7:16 am-5:38 pm

1 stop7h 22m

Charleston

Tue 8/25

2:17 pm-8:23 pm

1 stop9h 06m

$269

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Thu 10/1

9:20 pm-9:43 am

1 stop9h 23m

Charleston

Sat 10/17

10:30 am-4:33 pm

1 stop9h 03m

$271

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 Seattle 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

Layovers

Other information

What is the typical price of a round-trip flight between Seattle and Charleston?

What is the cheapest month to fly to Charleston?

The cheapest month to fly to Charleston from Seattle is in February. Flight prices, which tend to average around $288, 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 Seattle averaging around $289.

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

The cheapest day to depart from Seattle 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 Seattle/Tacoma Intl to Charleston flight route?

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

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

You are more likely to see cheaper flights to Charleston from Seattle 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 Seattle for as low as $260 on momondo.

Can stopping save me money on Seattle to Charleston flights?

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

How have Seattle to Charleston flight prices changed over time?

As of May 2026, prices for Seattle to Charleston flights are approximately 19% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Charleston

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Charleston according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seattle to Charleston (SEA to CHS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle 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 Seattle in the past 72 hours is $198. The best round-trip flight deal from Seattle to Charleston found on momondo in the last 72 hours is $432.

The fastest flight from Seattle to Charleston takes 5h 19m

Direct flights go from Seattle to Charleston every day.

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

Search flight deals

Frequently asked questions about flying from Seattle to Charleston

How far is Seattle/Tacoma Intl to Charleston by plane?
The distance between Seattle/Tacoma Intl and Charleston is about 2422.1 mi. 5h 19m is a normal flight duration for this route.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Charleston Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Charleston Airport refresh daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Charleston Airport?
As of May 2026, there are 6 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Charleston Airport.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Charleston Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Charleston Airport.
What documentation or ID do you need to fly to Charleston Airport?
The necessary travel and health documents for your Charleston Airport 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 Seattle to Charleston?
momondo data reveals that the most frequently booked plane model on the route from Seattle to Charleston is Boeing 737 MAX 9, representing 34.78% of all bookings. The subsequent popular models are Boeing 737-900 Passenger/BBJ3 (winglets) at 30.43%, Boeing 737-800 Passenger/BBJ2 (winglets) at 8.70%, and Airbus A321-100/200 at 6.52%.
What is the most popular airline from Seattle to Charleston?
Based on momondo bookings for flights between Seattle and Charleston, the leading airline is Alaska Airlines, making up 56% of the total bookings. Other popular airlines include American Airlines with 22%, United Airlines with 9%, and Delta with 5%.

Best airlines flying from Seattle to Charleston

Compare and see reviews for airlines that fly from Seattle to Charleston with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $155	Free Cancellation	Rating 7.9 8,460 reviews	Search Delta flights
Southwest	PriceFrom $173	Free Cancellation	Rating 7.9 4,302 reviews	Search Southwest flights
American Airlines	PriceFrom $178	Free Cancellation	Rating 7.1 11,669 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 9,690 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $228	Free Cancellation	Rating 7.9 12,336 reviews	Search Alaska Airlines flights

Alaska Airlines Flights From Seattle to Charleston
Across 2 Alaska Airlines flights from Seattle to Charleston this week, the average price was $406, with the best Alaska Airlines deals starting from $228 round-trip. 12,336 users have rated Alaska Airlines on momondo, with an average score of 7.9/10.

Folly Beach

Isle of Palms

Summerville

Kiawah Island

North Charleston

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 Seattle to Charleston?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Charleston. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Charleston from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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

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

Yes. momondo can track prices for Seattle to Charleston flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Charleston trip

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Cheap flights from Seattle 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 Seattle to Charleston departing on 6/2. 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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How to get the cheapest flight ticket from Seattle to Charleston

What is the typical price of a round-trip flight between Seattle and 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 Seattle/Tacoma Intl to Charleston flight route?

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

Can stopping save me money on Seattle to Charleston flights?

How have Seattle to Charleston flight prices changed over time?

What is the cheapest airline that flies from Seattle/Tacoma Intl to Charleston?

What airlines fly to Charleston?

Which airport is the most popular layover for flights between Seattle and Charleston?

Which layover airport offers the lowest fares from Seattle to Charleston?

Which layover airport has the shortest travel time from Seattle to Charleston?

Which layover airport has the shortest connection time from Seattle to Charleston?

How many flights depart from Seattle to Charleston on average per week?

When to book flights from Seattle to Charleston

Cheap Seattle to Charleston (SEA to CHS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Charleston

Best Price Found

Fastest flight time

Direct flights

Airports in Charleston

Frequently asked questions about flying from Seattle to Charleston

Best airlines flying from Seattle to Charleston

Compare and see reviews for airlines that fly from Seattle to Charleston with momondo

Alaska Airlines Flights From Seattle to Charleston

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

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

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