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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 2/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to Charleston

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
10:57 pm - 10:17 am
SEA
-
CHS
8h 20m
1 stop
American Airlines Logo
6:08 pm - 12:24 am
CHS
-
SEA
9h 16m
1 stop
$179American Airlines
Sat, Feb 28 - Sat, Mar 7
Alaska Airlines Logo
9:28 am - 5:32 pm
SEA
-
CHS
5h 04mnonstop
Alaska Airlines Logo
6:32 pm - 9:46 pm
CHS
-
SEA
6h 14mnonstop
$197Alaska Airlines
Wed, Feb 25 - Sat, Feb 28
American Airlines Logo
11:16 am - 10:59 pm
SEA
-
CHS
8h 43m
1 stop
American Airlines Logo
6:33 pm - 12:51 am
CHS
-
SEA
9h 18m
1 stop
$198American Airlines
Wed, Apr 15 - Wed, Apr 22
American Airlines Logo
10:47 pm - 11:35 am
SEA
-
CHS
9h 48m
1 stop
American Airlines Logo
7:30 pm - 12:44 am
CHS
-
SEA
8h 14m
1 stop
$207American Airlines
Mon, Apr 13 - Fri, Apr 17
Delta Logo
10:35 pm - 8:43 am
SEA
-
CHS
7h 08m
1 stop
Delta Logo
4:55 pm - 11:59 pm
CHS
-
SEA
10h 04m
1 stop
$212Delta
Thu, May 7 - Tue, May 12
Delta Logo
10:35 pm - 9:40 am
SEA
-
CHS
8h 05m
1 stop
Delta Logo
4:55 pm - 11:57 pm
CHS
-
SEA
10h 02m
1 stop
$218Delta
Fri, May 29 - Tue, Jun 2
American Airlines Logo
6:00 am - 3:57 pm
SEA
-
CHS
6h 57m
1 stop
American Airlines Logo
5:25 pm - 11:04 pm
CHS
-
SEA
8h 39m
1 stop
$219American Airlines
Sat, Feb 21 - Wed, Feb 25
American Airlines Logo
10:47 pm - 11:35 am
SEA
-
CHS
9h 48m
1 stop
American Airlines Logo
7:30 pm - 12:44 am
CHS
-
SEA
8h 14m
1 stop
$235American Airlines
Mon, Apr 13 - Fri, Apr 17
Alaska Airlines Logo
9:28 am - 5:32 pm
SEA
-
CHS
5h 04mnonstop
Alaska Airlines Logo
6:32 pm - 9:46 pm
CHS
-
SEA
6h 14mnonstop
$237Alaska Airlines
Sat, Feb 28 - Sat, Mar 7
United Airlines Logo
12:08 pm - 11:59 pm
SEA
-
CHS
8h 51m
1 stop
United Airlines Logo
2:51 pm - 10:56 pm
CHS
-
SEA
11h 05m
2 stops
$242United Airlines
Wed, Apr 15 - Wed, Apr 22

Southwest flights from Seattle to Charleston

Our best Southwest deals on Seattle to Charleston flight tickets
Southwest
Apr 1
SEA5:30 amSeattle/Tacoma Intl
7h 20m
1 stop
CHS3:50 pmCharleston
Apr 7
CHS3:40 pmCharleston
9h 50m
2 stops
SEA10:30 pmSeattle/Tacoma Intl
$293
Southwest
May 4
SEA5:15 amSeattle/Tacoma Intl
13h 40m
1 stop
CHS9:55 pmCharleston
May 11
CHS2:15 pmCharleston
12h 15m
2 stops
SEA11:30 pmSeattle/Tacoma Intl
$296
Southwest
Apr 1
SEA6:00 amSeattle/Tacoma Intl
9h 55m
2 stops
CHS6:55 pmCharleston
Apr 7
CHS1:15 pmCharleston
12h 15m
2 stops
SEA10:30 pmSeattle/Tacoma Intl
$298

American Airlines flights from Seattle to Charleston

Our best American Airlines deals on Seattle to Charleston flight tickets
American Airlines
Feb 28
SEA10:57 pmSeattle/Tacoma Intl
8h 20m
1 stop
CHS10:17 amCharleston
Mar 7
CHS6:08 pmCharleston
9h 16m
1 stop
SEA12:24 amSeattle/Tacoma Intl
$179
American Airlines
Apr 15
SEA11:16 amSeattle/Tacoma Intl
8h 43m
1 stop
CHS10:59 pmCharleston
Apr 22
CHS6:33 pmCharleston
9h 18m
1 stop
SEA12:51 amSeattle/Tacoma Intl
$198
American Airlines
Apr 13
SEA10:47 pmSeattle/Tacoma Intl
9h 48m
1 stop
CHS11:35 amCharleston
Apr 17
CHS7:30 pmCharleston
8h 14m
1 stop
SEA12:44 amSeattle/Tacoma Intl
$207

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Charleston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Seattle to Charleston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Sat 2/28

10:57 pm-10:17 am

1 stop8h 20m

Charleston

Sat 3/7

6:08 pm-12:24 am

1 stop9h 16m

$179

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Wed 2/25

9:28 am-5:32 pm

Nonstop5h 04m

Charleston

Sat 2/28

6:32 pm-9:46 pm

Nonstop6h 14m

$197

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Wed 4/15

11:16 am-10:59 pm

1 stop8h 43m

Charleston

Wed 4/22

6:33 pm-12:51 am

1 stop9h 18m

$198

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Mon 4/13

10:47 pm-11:35 am

1 stop9h 48m

Charleston

Fri 4/17

7:30 pm-12:44 am

1 stop8h 14m

$207

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Thu 5/7

10:35 pm-8:43 am

1 stop7h 08m

Charleston

Tue 5/12

4:55 pm-11:59 pm

1 stop10h 04m

$212

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Fri 5/29

10:35 pm-9:40 am

1 stop8h 05m

Charleston

Tue 6/2

4:55 pm-11:57 pm

1 stop10h 02m

$218

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Sat 2/21

6:00 am-3:57 pm

1 stop6h 57m

Charleston

Wed 2/25

5:25 pm-11:04 pm

1 stop8h 39m

$219

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Mon 4/13

10:47 pm-11:35 am

1 stop9h 48m

Charleston

Fri 4/17

7:30 pm-12:44 am

1 stop8h 14m

$235

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Sat 2/28

9:28 am-5:32 pm

Nonstop5h 04m

Charleston

Sat 3/7

6:32 pm-9:46 pm

Nonstop6h 14m

$237

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Wed 4/15

12:08 pm-11:59 pm

1 stop8h 51m

Charleston

Wed 4/22

2:51 pm-10:56 pm

2 stops11h 05m

$242

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Charleston from

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?

The cheapest month to fly to Charleston from Seattle is in January. Flight prices, which tend to average around $297, are often lower during this time because this is during the off-season. The month of March is another great option to travel to Charleston, with average flight prices from Seattle averaging around $298.

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 $358. The most expensive day to fly to Charleston is Sunday, with ticket prices averaging around $533.

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 $392 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 $333 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 37% 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 February 2026, prices for Seattle to Charleston flights are approximately 38% more expensive 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

$158

Fastest flight time

5h 04m

Direct flights

Every day

Airports in Charleston

1 airport
The best one-way flight to Charleston from Seattle in the past 72 hours is $158. The best round-trip flight deal from Seattle to Charleston found on momondo in the last 72 hours is $237.
The fastest flight from Seattle to Charleston takes 5h 04m
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 04m 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $155Free CancellationRating
7.9
8,138 reviews
Search Delta flights
American AirlinesPriceFrom $178Free CancellationRating
7.2
11,218 reviews
Search American Airlines flights
United AirlinesPriceFrom $196Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
SouthwestPriceFrom $212Free CancellationRating
8.0
4,272 reviews
Search Southwest flights
Hawaiian AirlinesPriceFrom $214Free CancellationRating
7.8
2,831 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $233Free CancellationRating
8.0
11,833 reviews
Search Alaska Airlines flights

  • Hawaiian Airlines Flights From Seattle to Charleston

    Across 4 Hawaiian Airlines flights from Seattle to Charleston this week, the average price was $438, with the best Hawaiian Airlines deals starting from $214 round-trip. 2,831 users have rated Hawaiian Airlines on momondo, with an average score of 7.8/10.

Traveling to a place near Charleston?

Book flights to Charleston if you plan to visit one of these locations
Folly Beach
Isle of Palms
Kiawah Island
North Charleston
Summerville
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

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.
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