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

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

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 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.

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 September 2025, 14 flights take off from Seattle and land in Charleston each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

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

Dallas (DFW) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

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

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

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

2 flights are operational daily from Seattle to Charleston as of September 2025. The most popular departure time for this route is 8:00AM, with 100% of flights per day taking off at noon.

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.

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 September 2025, 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.

$90 Cheap Flights from Seattle to Charleston in 2025/26

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Find the cheapest flights from Seattle to Charleston

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

12:34 am - 1:12 pmSEA-CHS

9h 38m1 stop

6:10 am - 11:40 amCHS-SEA

8h 30m1 stop

$203American Airlines

Find Deal

Tue, Oct 28 - Tue, Nov 4

6:28 am - 4:36 pmSEA-CHS

7h 08m1 stop

7:45 pm - 12:27 amCHS-SEA

7h 42m1 stop

$214American Airlines

Find Deal

Sat, Oct 4 - Wed, Oct 8

9:40 am - 5:54 pmSEA-CHS

5h 14mnonstop

6:59 pm - 9:59 pmCHS-SEA

6h 00mnonstop

$221Alaska Airlines

Find Deal

Wed, Oct 29 - Wed, Nov 5

6:20 am - 5:33 pmSEA-CHS

8h 13m1 stop

10:00 am - 6:00 pmCHS-SEA

11h 00m2 stops

$232United Airlines

Find Deal

Wed, Oct 29 - Tue, Nov 4

5:00 am - 8:08 pmSEA-CHS

12h 08m2 stops

6:02 am - 11:31 amCHS-SEA

8h 29m1 stop

$252United Airlines

Find Deal

Sat, Oct 4 - Wed, Oct 8

10:07 am - 6:24 pmSEA-CHS

5h 17mnonstop

7:24 pm - 10:30 pmCHS-SEA

6h 06mnonstop

$257Hawaiian Airlines

Find Deal

Wed, Dec 3 - Fri, Dec 12

9:15 am - 5:31 pmSEA-CHS

5h 16mnonstop

6:45 pm - 9:42 pmCHS-SEA

5h 57mnonstop

$277Alaska Airlines

Find Deal

Tue, Mar 3 - Wed, Mar 4

6:00 am - 6:02 pmSEA-CHS

9h 02m1 stop

12:45 pm - 10:16 pmCHS-SEA

12h 31m1 stop

$297Delta

Find Deal

Tue, Mar 3 - Wed, Mar 4

3:40 pm - 5:51 pmSEA-CHS

23h 11m1 stop

5:25 am - 10:15 amCHS-SEA

7h 50m1 stop

$300Delta

Find Deal

Fri, Nov 7 - Tue, Nov 11

9:56 am - 6:17 pmSEA-CHS

5h 21mnonstop

7:23 pm - 10:15 pmCHS-SEA

5h 52mnonstop

$338Hawaiian Airlines

Find Deal

Sun, Oct 19 - Thu, Oct 23

American Airlines flights from Seattle to Charleston

Our best American Airlines deals on Seattle to Charleston flight tickets

American Airlines

Oct 28

SEA12:34 amSeattle/Tacoma Intl

9h 38m

1 stop

CHS1:12 pmCharleston

Nov 4

CHS6:10 amCharleston

8h 30m

1 stop

SEA11:40 amSeattle/Tacoma Intl

$203

Find similar

American Airlines

Oct 4

SEA6:28 amSeattle/Tacoma Intl

7h 08m

1 stop

CHS4:36 pmCharleston

Oct 8

CHS7:45 pmCharleston

7h 42m

1 stop

SEA12:27 amSeattle/Tacoma Intl

$214

Find similar

American Airlines

Oct 3

SEA8:51 pmSeattle/Tacoma Intl

9h 48m

1 stop

CHS9:39 amCharleston

Oct 8

CHS7:45 pmCharleston

7h 42m

1 stop

SEA12:27 amSeattle/Tacoma Intl

$225

Find similar

United Airlines flights from Seattle to Charleston

Our best United Airlines deals on Seattle to Charleston flight tickets

United Airlines

Oct 29

SEA6:20 amSeattle/Tacoma Intl

8h 13m

1 stop

CHS5:33 pmCharleston

Nov 4

CHS10:00 amCharleston

11h 00m

2 stops

SEA6:00 pmSeattle/Tacoma Intl

$232

Find similar

United Airlines

Oct 4

SEA5:00 amSeattle/Tacoma Intl

12h 08m

2 stops

CHS8:08 pmCharleston

Oct 8

CHS6:02 amCharleston

8h 29m

1 stop

SEA11:31 amSeattle/Tacoma Intl

$252

Find similar

United Airlines

Nov 12

SEA7:13 pmSeattle/Tacoma Intl

11h 55m

2 stops

CHS10:08 amCharleston

Nov 18

CHS6:15 amCharleston

8h 13m

1 stop

SEA11:28 amSeattle/Tacoma Intl

$268

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Tue 10/28

12:34 am-1:12 pm

1 stop9h 38m

Charleston

Tue 11/4

6:10 am-11:40 am

1 stop8h 30m

$203

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Sat 10/4

6:28 am-4:36 pm

1 stop7h 08m

Charleston

Wed 10/8

7:45 pm-12:27 am

1 stop7h 42m

$214

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Wed 10/29

9:40 am-5:54 pm

Nonstop5h 14m

Charleston

Wed 11/5

6:59 pm-9:59 pm

Nonstop6h 00m

$221

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Wed 10/29

6:20 am-5:33 pm

1 stop8h 13m

Charleston

Tue 11/4

10:00 am-6:00 pm

2 stops11h 00m

$232

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Sat 10/4

5:00 am-8:08 pm

2 stops12h 08m

Charleston

Wed 10/8

6:02 am-11:31 am

1 stop8h 29m

$252

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Wed 12/3

10:07 am-6:24 pm

Nonstop5h 17m

Charleston

Fri 12/12

7:24 pm-10:30 pm

Nonstop6h 06m

$257

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Tue 3/3

9:15 am-5:31 pm

Nonstop5h 16m

Charleston

Wed 3/4

6:45 pm-9:42 pm

Nonstop5h 57m

$277

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Tue 3/3

6:00 am-6:02 pm

1 stop9h 02m

Charleston

Wed 3/4

12:45 pm-10:16 pm

1 stop12h 31m

$297

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Fri 11/7

3:40 pm-5:51 pm

1 stop23h 11m

Charleston

Tue 11/11

5:25 am-10:15 am

1 stop7h 50m

$300

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Sun 10/19

9:56 am-6:17 pm

Nonstop5h 21m

Charleston

Thu 10/23

7:23 pm-10:15 pm

Nonstop5h 52m

$338

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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 cheapest month to fly to Charleston?

The cheapest month to fly to Charleston from Seattle is in January. Flight prices, which tend to average around $307, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Charleston, with average flight prices from Seattle averaging around $327.

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

The cheapest day to depart from Seattle to Charleston is on a Tuesday. Travelers who choose to depart for Charleston on a Tuesday will often find tickets for as low as $372. The most expensive day to fly to Charleston is Sunday, with ticket prices averaging around $548.

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

The cheapest time of day to fly to Charleston is in the afternoon when flights can be purchased for as low as $257. In the morning is when there is more demand to fly to Charleston, so prices are often more expensive at around $428 per ticket.

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 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 $406 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 $345 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Charleston flights?

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Charleston 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 Seattle to Charleston flights?

You could potentially save up to 44% 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 September 2025, prices for Seattle to Charleston flights are approximately 38% 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	$168
Fastest flight time	5h 08m
Direct flights	Every day
Airports in Charleston	1 airport

The best one-way flight to Charleston from Seattle in the past 72 hours is $168. The best round-trip flight deal from Seattle to Charleston found on momondo in the last 72 hours is $297.

The fastest flight from Seattle to Charleston takes 5h 08m

Direct flights go from Seattle to Charleston every day.

There is 1 airport near Charleston: Charleston (CHS)

Search flight deals

How far is Seattle/Tacoma Intl to Charleston by plane?
The distance between Seattle/Tacoma Intl and Charleston is about 2422.1 mi. 5h 14m 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 September 2025, 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 72.29% of all bookings. The subsequent popular models are Boeing 737-900 Passenger/BBJ3 (winglets) at 13.86%, Boeing 737 at 10.84%, and Boeing 737 MAX 8 at 1.81%.
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 63% of the total bookings. Other popular airlines include American Airlines with 17%, Hawaiian Airlines with 7%, 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 $169	Free Cancellation	Rating 7.9 7,961 reviews	Search Delta flights
United Airlines	PriceFrom $196	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
American Airlines	PriceFrom $206	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $212	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $236	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
Hawaiian Airlines	PriceFrom $257	Free Cancellation	Rating 7.8 2,729 reviews	Search Hawaiian Airlines flights

Alaska Airlines Flights From Seattle to Charleston
Across 7 Alaska Airlines flights from Seattle to Charleston this week, the average price was $430, with the best Alaska Airlines deals starting from $236 round-trip. 10,000 users have rated Alaska Airlines on momondo, with an average score of 8.0/10.
Hawaiian Airlines Flights From Seattle to Charleston
Across 2,729 Hawaiian Airlines reviews on momondo, the average score is 7.8/10. Hawaiian Airlines flies from Seattle to Charleston about 7 times each week, with ticket deals ranging from $257 to $436. Price data is based on momondo searches in the last 72 hours.

Folly Beach

Isle of Palms

North Charleston

Kiawah Island

Summerville

Mount Pleasant

Edisto Island

Walterboro

Santee

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.

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Cheap flights from Seattle to Charleston from $90

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 10/22. 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 Seattle to Charleston

Our best American Airlines deals on Seattle to Charleston flight tickets

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Our best United Airlines deals on Seattle to Charleston flight tickets

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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

What is the cheapest month to fly to Charleston?

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

The cheapest day to depart from Seattle to Charleston is on a Tuesday. Travelers who choose to depart for Charleston on a Tuesday will often find tickets for as low as $372. The most expensive day to fly to Charleston is Sunday, with ticket prices averaging around $548.

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

The cheapest time of day to fly to Charleston is in the afternoon when flights can be purchased for as low as $257. In the morning is when there is more demand to fly to Charleston, so prices are often more expensive at around $428 per ticket.

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 to Charleston?

What cabin class options are available on Seattle/Tacoma Intl to Charleston flights?

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Charleston 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 Seattle to Charleston flights?

You could potentially save up to 44% 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 September 2025, prices for Seattle to Charleston flights are approximately 38% cheaper when compared to flights at the same time last year.

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

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

What airlines fly to Charleston?

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

Dallas (DFW) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

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

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

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 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 day?

2 flights are operational daily from Seattle to Charleston as of September 2025. The most popular departure time for this route is 8:00AM, with 100% of flights per day taking off at noon.

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

As of September 2025, 14 flights take off from Seattle and land in Charleston each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

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

How far is Seattle/Tacoma Intl to Charleston by plane?

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

How many operators does momondo search 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?

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

What is the most popular plane model from Seattle to Charleston?

What is the most popular airline 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

Hawaiian Airlines Flights From Seattle to Charleston

Traveling to a place near Charleston?

Why use momondo?

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

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

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

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

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