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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 1/13. 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
7:00 am - 4:54 pm
SEA
-
CHS
6h 54m1 stop
American Airlines Logo
4:07 pm - 10:07 pm
CHS
-
SEA
9h 00m1 stop
$179American Airlines
Wed, Jan 14 - Tue, Jan 20
American Airlines Logo
6:00 am - 5:27 pm
SEA
-
CHS
8h 27m1 stop
American Airlines Logo
6:10 am - 1:08 pm
CHS
-
SEA
9h 58m2 stops
$184American Airlines
Wed, Jan 14 - Wed, Jan 21
Delta Logo
6:05 am - 5:43 pm
SEA
-
CHS
8h 38m1 stop
Delta Logo
3:28 pm - 11:15 pm
CHS
-
SEA
10h 47m1 stop
$197Delta
Sat, Jan 31 - Tue, Feb 3
American Airlines Logo
11:51 am - 10:53 pm
SEA
-
CHS
8h 02m1 stop
American Airlines Logo
7:00 am - 2:28 pm
CHS
-
SEA
10h 28m1 stop
$198American Airlines
Wed, Apr 22 - Tue, Apr 28
American Airlines Logo
5:39 am - 6:29 pm
SEA
-
CHS
9h 50m1 stop
American Airlines Logo
5:06 pm - 10:15 pm
CHS
-
SEA
8h 09m1 stop
$207American Airlines
Thu, Feb 19 - Tue, Feb 24
American Airlines Logo
6:00 am - 5:27 pm
SEA
-
CHS
8h 27m1 stop
American Airlines Logo
6:10 am - 1:08 pm
CHS
-
SEA
9h 58m2 stops
$208American Airlines
Wed, Jan 14 - Tue, Jan 20
Southwest Logo
6:35 am - 6:05 pm
SEA
-
CHS
8h 30m1 stop
Southwest Logo
1:45 pm - 10:30 pm
CHS
-
SEA
11h 45m1 stop
$213Southwest
Thu, Jan 15 - Wed, Jan 21
Alaska Airlines Logo
10:11 am - 6:22 pm
SEA
-
CHS
5h 11mnonstop
Alaska Airlines Logo
7:22 pm - 10:29 pm
CHS
-
SEA
6h 07mnonstop
$217Alaska Airlines
Wed, Jan 14 - Wed, Jan 21
American Airlines Logo
11:55 am - 10:34 pm
SEA
-
CHS
7h 39m1 stop
American Airlines Logo
12:29 pm - 7:04 pm
CHS
-
SEA
9h 35m1 stop
$219American Airlines
Thu, Jan 8 - Wed, Jan 14
Southwest Logo
6:35 am - 6:05 pm
SEA
-
CHS
8h 30m1 stop
Southwest Logo
1:45 pm - 10:30 pm
CHS
-
SEA
11h 45m1 stop
$224Southwest
Thu, Jan 15 - Tue, Jan 20

Delta flights from Seattle to Charleston

Our best Delta deals on Seattle to Charleston flight tickets
Delta
Jan 31
SEA6:05 amSeattle/Tacoma Intl
8h 38m
1 stop
CHS5:43 pmCharleston
Feb 5
CHS5:25 amCharleston
7h 42m
1 stop
SEA10:07 amSeattle/Tacoma Intl
$197
Find similar
Delta
Jan 8
SEA9:55 pmSeattle/Tacoma Intl
10h 44m
1 stop
CHS11:39 amCharleston
Jan 13
CHS5:25 amCharleston
7h 44m
1 stop
SEA10:09 amSeattle/Tacoma Intl
$241
Find similar
Delta
Jan 30
SEA11:10 pmSeattle/Tacoma Intl
8h 59m
1 stop
CHS11:09 amCharleston
Feb 3
CHS6:30 amCharleston
16h 13m
2 stops
SEA7:43 pmSeattle/Tacoma Intl
$246
Find similar

United Airlines flights from Seattle to Charleston

Our best United Airlines deals on Seattle to Charleston flight tickets
United Airlines
Feb 21
SEA11:59 pmSeattle/Tacoma Intl
9h 31m
1 stop
CHS12:30 pmCharleston
Feb 28
CHS2:48 pmCharleston
12h 03m
2 stops
SEA11:51 pmSeattle/Tacoma Intl
$242
Find similar
United Airlines
Jan 8
SEA8:10 amSeattle/Tacoma Intl
7h 54m
1 stop
CHS7:04 pmCharleston
Jan 14
CHS10:15 amCharleston
14h 00m
2 stops
SEA9:15 pmSeattle/Tacoma Intl
$253
Find similar
United Airlines
Apr 22
SEA12:08 pmSeattle/Tacoma Intl
8h 51m
1 stop
CHS11:59 pmCharleston
Apr 28
CHS10:00 amCharleston
11h 00m
2 stops
SEA6:00 pmSeattle/Tacoma Intl
$262
Find similar

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 December 23, 2025.
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

Wed 1/14

7:00 am-4:54 pm

1 stop6h 54m

Charleston

Tue 1/20

4:07 pm-10:07 pm

1 stop9h 00m

$179

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Wed 1/14

6:00 am-5:27 pm

1 stop8h 27m

Charleston

Wed 1/21

6:10 am-1:08 pm

2 stops9h 58m

$184

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Sat 1/31

6:05 am-5:43 pm

1 stop8h 38m

Charleston

Tue 2/3

3:28 pm-11:15 pm

1 stop10h 47m

$197

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Wed 4/22

11:51 am-10:53 pm

1 stop8h 02m

Charleston

Tue 4/28

7:00 am-2:28 pm

1 stop10h 28m

$198

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Thu 2/19

5:39 am-6:29 pm

1 stop9h 50m

Charleston

Tue 2/24

5:06 pm-10:15 pm

1 stop8h 09m

$207

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Wed 1/14

6:00 am-5:27 pm

1 stop8h 27m

Charleston

Tue 1/20

6:10 am-1:08 pm

2 stops9h 58m

$208

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Thu 1/15

6:35 am-6:05 pm

1 stop8h 30m

Charleston

Wed 1/21

1:45 pm-10:30 pm

1 stop11h 45m

$213

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Wed 1/14

10:11 am-6:22 pm

Nonstop5h 11m

Charleston

Wed 1/21

7:22 pm-10:29 pm

Nonstop6h 07m

$217

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Thu 1/8

11:55 am-10:34 pm

1 stop7h 39m

Charleston

Wed 1/14

12:29 pm-7:04 pm

1 stop9h 35m

$219

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Thu 1/15

6:35 am-6:05 pm

1 stop8h 30m

Charleston

Tue 1/20

1:45 pm-10:30 pm

1 stop11h 45m

$224

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 $278, 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 $308.

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 $384. The most expensive day to fly to Charleston is Sunday, with ticket prices averaging around $533.

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 $415 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 $404 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 December 2025, prices for Seattle to Charleston flights are approximately 36% 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

$263

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 $263. The best round-trip flight deal from Seattle to Charleston found on momondo in the last 72 hours is $377.
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
American AirlinesPriceFrom $179Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights
DeltaPriceFrom $196Free CancellationRating
7.9
8,015 reviews
Search Delta flights
SouthwestPriceFrom $212Free CancellationRating
8.0
4,256 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $237Free CancellationRating
8.0
11,518 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $252Free CancellationRating
7.4
9,107 reviews
Search United Airlines flights
Hawaiian AirlinesPriceFrom $257Free CancellationRating
7.8
2,820 reviews
Search Hawaiian Airlines flights

  • Alaska Airlines Flights From Seattle to Charleston

    Across 5 Alaska Airlines flights from Seattle to Charleston this week, the average price was $417, with the best Alaska Airlines deals starting from $237 round-trip. 11,514 users have rated Alaska Airlines on momondo, with an average score of 8.0/10.

  • Hawaiian Airlines Flights From Seattle to Charleston

    Across 2,820 Hawaiian Airlines reviews on momondo, the average score is 7.8/10. Hawaiian Airlines flies from Seattle to Charleston about 5 times each week, with ticket deals ranging from $257 to $436. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Charleston?

Book flights to Charleston if you plan to visit one of these locations
Folly Beach
Isle of Palms
North Charleston
Kiawah Island
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.
Start using Trips
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