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.

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.

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

As of March 2026, 9 flights take off from Seattle and land in Charleston each week. The most common flight departure day for this route is Fri, with 22% of weekly flights taking off on this day.

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

United Airlines is the most popular carrier operating from Seattle/Tacoma Intl to Charleston

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 44% 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 many flights depart from Seattle to Charleston on average per day?

1 flights are operational daily from Seattle to Charleston as of March 2026. The most popular departure time for this route is 9:00AM, with 100% of flights per day taking off at noon.

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.

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 March 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.

$87 Cheap Flights from Seattle to Charleston in 2026

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Find the cheapest flights from Seattle to Charleston

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

1:10 pm - 11:48 pm

SEA

CHS

7h 38m

1 stop

7:19 pm - 12:59 am

CHS

SEA

8h 40m

1 stop

$239American Airlines

Wed, May 27 - Tue, Jun 2

9:25 pm - 9:55 am

SEA

CHS

9h 30m

1 stop

3:15 pm - 11:05 pm

CHS

SEA

10h 50m

2 stops

$244Southwest

Fri, Jun 5 - Mon, Jun 8

5:15 am - 6:20 pm

SEA

CHS

10h 05m

2 stops

5:45 pm - 12:40 am

CHS

SEA

9h 55m

2 stops

$249Southwest

Mon, May 4 - Thu, May 7

5:15 am - 9:55 pm

SEA

CHS

13h 40m

1 stop

5:45 pm - 12:40 am

CHS

SEA

9h 55m

2 stops

$250Southwest

Mon, May 4 - Thu, May 7

11:15 pm - 8:51 am

SEA

CHS

6h 36m

1 stop

4:55 pm - 11:59 pm

CHS

SEA

10h 04m

1 stop

$257Delta

Mon, May 4 - Wed, May 13

11:58 pm - 11:31 am

SEA

CHS

8h 33m

1 stop

7:19 pm - 12:59 am

CHS

SEA

8h 40m

1 stop

$259American Airlines

Fri, May 29 - Tue, Jun 2

10:40 pm - 10:08 am

SEA

CHS

8h 28m

1 stop

6:50 am - 12:34 pm

CHS

SEA

8h 44m

1 stop

$272United Airlines

Thu, Jul 30 - Tue, Aug 4

11:10 pm - 10:02 am

SEA

CHS

7h 52m

1 stop

3:25 pm - 11:11 pm

CHS

SEA

10h 46m

2 stops

$278United Airlines

Wed, Aug 26 - Sat, Aug 29

1:33 pm - 11:59 pm

SEA

CHS

7h 26m

1 stop

12:20 pm - 9:23 pm

CHS

SEA

12h 03m

1 stop

$279American Airlines

Fri, May 1 - Tue, May 5

11:53 pm - 12:17 pm

SEA

CHS

9h 24m

1 stop

5:07 pm - 10:52 pm

CHS

SEA

8h 45m

1 stop

$290United Airlines

Tue, May 5 - Sat, May 9

Southwest flights from Seattle to Charleston

Our best Southwest deals on Seattle to Charleston flight tickets

Southwest

Apr 20

SEA5:15 amSeattle/Tacoma Intl

10h 05m

2 stops

CHS6:20 pmCharleston

Apr 29

CHS7:15 amCharleston

8h 30m

1 stop

SEA12:45 pmSeattle/Tacoma Intl

$244

Southwest

Apr 27

SEA11:55 pmSeattle/Tacoma Intl

10h 40m

2 stops

CHS1:35 pmCharleston

May 6

CHS7:40 amCharleston

13h 50m

2 stops

SEA6:30 pmSeattle/Tacoma Intl

$249

Southwest

Jun 9

SEA11:05 pmSeattle/Tacoma Intl

11h 25m

2 stops

CHS1:30 pmCharleston

Jun 13

CHS7:15 pmCharleston

7h 50m

1 stop

SEA12:05 amSeattle/Tacoma Intl

$260

United Airlines flights from Seattle to Charleston

Our best United Airlines deals on Seattle to Charleston flight tickets

United Airlines

Aug 26

SEA11:10 pmSeattle/Tacoma Intl

7h 52m

1 stop

CHS10:02 amCharleston

Aug 29

CHS3:25 pmCharleston

10h 46m

2 stops

SEA11:11 pmSeattle/Tacoma Intl

$278

United Airlines

May 5

SEA11:53 pmSeattle/Tacoma Intl

9h 24m

1 stop

CHS12:17 pmCharleston

May 9

CHS5:07 pmCharleston

8h 45m

1 stop

SEA10:52 pmSeattle/Tacoma Intl

$290

United Airlines

May 6

SEA1:07 pmSeattle/Tacoma Intl

7h 52m

1 stop

CHS11:59 pmCharleston

May 9

CHS5:07 pmCharleston

8h 45m

1 stop

SEA10:52 pmSeattle/Tacoma Intl

$294

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Wed 5/27

1:10 pm-11:48 pm

1 stop7h 38m

Charleston

Tue 6/2

7:19 pm-12:59 am

1 stop8h 40m

$239

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Fri 6/5

9:25 pm-9:55 am

1 stop9h 30m

Charleston

Mon 6/8

3:15 pm-11:05 pm

2 stops10h 50m

$244

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Mon 5/4

5:15 am-6:20 pm

2 stops10h 05m

Charleston

Thu 5/7

5:45 pm-12:40 am

2 stops9h 55m

$249

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Mon 5/4

5:15 am-9:55 pm

1 stop13h 40m

Charleston

Thu 5/7

5:45 pm-12:40 am

2 stops9h 55m

$250

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Mon 5/4

11:15 pm-8:51 am

1 stop6h 36m

Charleston

Wed 5/13

4:55 pm-11:59 pm

1 stop10h 04m

$257

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Fri 5/29

11:58 pm-11:31 am

1 stop8h 33m

Charleston

Tue 6/2

7:19 pm-12:59 am

1 stop8h 40m

$259

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Thu 7/30

10:40 pm-10:08 am

1 stop8h 28m

Charleston

Tue 8/4

6:50 am-12:34 pm

1 stop8h 44m

$272

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Wed 8/26

11:10 pm-10:02 am

1 stop7h 52m

Charleston

Sat 8/29

3:25 pm-11:11 pm

2 stops10h 46m

$278

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Fri 5/1

1:33 pm-11:59 pm

1 stop7h 26m

Charleston

Tue 5/5

12:20 pm-9:23 pm

1 stop12h 03m

$279

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Tue 5/5

11:53 pm-12:17 pm

1 stop9h 24m

Charleston

Sat 5/9

5:07 pm-10:52 pm

1 stop8h 45m

$290

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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

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 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 $548.

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 $393 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 $275 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 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 March 2026, prices for Seattle to Charleston flights are approximately 34% 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	$308
Fastest flight time	5h 15m
Direct flights	Every day
Airports in Charleston	1 airport

The best one-way flight to Charleston from Seattle in the past 72 hours is $308. The best round-trip flight deal from Seattle to Charleston found on momondo in the last 72 hours is $437.

The fastest flight from Seattle to Charleston takes 5h 15m

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

How far is Seattle/Tacoma Intl to Charleston by plane?
The distance between Seattle/Tacoma Intl and Charleston is about 2422.1 mi. 5h 15m 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 March 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 737-900 Passenger/BBJ3 (winglets), representing 42.00% of all bookings. The subsequent popular models are Boeing 737 MAX 9 at 26.00%, Boeing 737-800 Passenger/BBJ2 (winglets) at 8.00%, and Airbus A321-100/200 at 6.00%.
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 21%, United Airlines with 7%, and Hawaiian Airlines with 7%.

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 8,318 reviews	Search Delta flights
American Airlines	PriceFrom $178	Free Cancellation	Rating 7.1 11,486 reviews	Search American Airlines flights
United Airlines	PriceFrom $188	Free Cancellation	Rating 7.4 9,463 reviews	Search United Airlines flights
Hawaiian Airlines	PriceFrom $209	Free Cancellation	Rating 7.8 2,840 reviews	Search Hawaiian Airlines flights
Southwest	PriceFrom $212	Free Cancellation	Rating 8.0 4,324 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $229	Free Cancellation	Rating 7.9 12,101 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 $398, with the best Alaska Airlines deals starting from $229 round-trip. 12,101 users have rated Alaska Airlines on momondo, with an average score of 7.9/10.
Hawaiian Airlines Flights From Seattle to Charleston
Across 2,840 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 $209 to $438. Price data is based on momondo searches in the last 72 hours.

Folly Beach

Isle of Palms

North Charleston

Summerville

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 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 $87

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 4/21. 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 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 to Charleston?

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

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 day?

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

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Airports in 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?

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

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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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