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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 11/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Charleston

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
11:57 pm - 1:16 pmSEA  Seattle/Tacoma Intl-CHS Charleston
10h 19m1 stop Chicago O'Hare Intl
American Airlines Logo
2:06 pm - 9:36 pmCHS  Charleston-SEA Seattle/Tacoma Intl
10h 30m1 stop Chicago O'Hare Intl
$181American Airlines
Thu, Sep 10 - Thu, Sep 17
American Airlines Logo
11:57 pm - 1:16 pmSEA  Seattle/Tacoma Intl-CHS Charleston
10h 19m1 stop Chicago O'Hare Intl
American Airlines Logo
7:18 am - 2:51 pmCHS  Charleston-SEA Seattle/Tacoma Intl
10h 33m1 stop Chicago O'Hare Intl
$181American Airlines
Sat, Sep 26 - Wed, Sep 30
JetBlue Logo
7:20 am - 8:42 pmSEA  Seattle/Tacoma Intl-CHS Charleston
10h 22m1 stop New York John F Kennedy Intl
JetBlue Logo
5:55 pm - 12:09 amCHS  Charleston-SEA Seattle/Tacoma Intl
9h 14m1 stop Atlanta Hartsfield-Jackson
$183JetBlue
Sun, Jan 10 - Mon, Jan 11
Southwest Logo
12:10 am - 4:40 pmSEA  Seattle/Tacoma Intl-CHS Charleston
13h 30m1 stop Chicago Midway
Southwest Logo
1:30 pm - 11:30 pmCHS  Charleston-SEA Seattle/Tacoma Intl
13h 00m2 stops Baltimore/Washington Chicago Midway
$190Southwest
Tue, Oct 27 - Tue, Nov 3
Delta Logo
6:00 am - 6:03 pmSEA  Seattle/Tacoma Intl-CHS Charleston
9h 03m1 stop Detroit Metropolitan Wayne County
Delta Logo
12:45 pm - 8:20 pmCHS  Charleston-SEA Seattle/Tacoma Intl
10h 35m1 stop New York John F Kennedy Intl
$197Delta
Wed, Dec 2 - Sat, Dec 5
Delta Logo
10:50 pm - 11:57 amSEA  Seattle/Tacoma Intl-CHS Charleston
10h 07m1 stop New York John F Kennedy Intl
Delta Logo
12:45 pm - 8:20 pmCHS  Charleston-SEA Seattle/Tacoma Intl
10h 35m1 stop New York John F Kennedy Intl
$197Delta
Thu, Dec 3 - Wed, Dec 16
Southwest Logo
12:10 am - 2:00 pmSEA  Seattle/Tacoma Intl-CHS Charleston
10h 50m2 stops Chicago Midway Baltimore/Washington
Southwest Logo
7:10 pm - 12:40 amCHS  Charleston-SEA Seattle/Tacoma Intl
8h 30m1 stop Chicago Midway
$201Southwest
Wed, Oct 28 - Mon, Nov 2
United Airlines Logo
11:00 pm - 10:37 amSEA  Seattle/Tacoma Intl-CHS Charleston
8h 37m1 stop Chicago O'Hare Intl
United Airlines Logo
4:58 pm - 10:45 pmCHS  Charleston-SEA Seattle/Tacoma Intl
8h 47m1 stop Chicago O'Hare Intl
$247United Airlines
Tue, Sep 8 - Tue, Sep 15
United Airlines Logo
11:13 pm - 10:27 amSEA  Seattle/Tacoma Intl-CHS Charleston
8h 14m1 stop Chicago O'Hare Intl
United Airlines Logo
7:00 am - 12:48 pmCHS  Charleston-SEA Seattle/Tacoma Intl
8h 48m1 stop Houston George Bush Intcntl
$247United Airlines
Sun, Oct 18 - Sat, Oct 24
Multiple Airlines Logo
9:39 am - 6:06 pmSEA  Seattle/Tacoma Intl-CHS Charleston
5h 27mnonstop
Multiple Airlines Logo
3:04 pm - 10:37 pmCHS  Charleston-SEA Seattle/Tacoma Intl
10h 33m1 stop Boston Logan Intl
$395Multiple Airlines
Wed, Sep 16 - Sat, Sep 26

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American Airlines flights from Seattle to Charleston

Our best American Airlines deals on Seattle to Charleston flight tickets
American Airlines
Oct 21
SEA10:31 amSeattle/Tacoma Intl
10h 28m
1 stop
CHS11:59 pmCharleston
Oct 27
CHS3:33 pmCharleston
9h 09m
1 stop
SEA9:42 pmSeattle/Tacoma Intl
$181
American Airlines
Sep 11
SEA11:57 pmSeattle/Tacoma Intl
10h 19m
1 stop
CHS1:16 pmCharleston
Sep 19
CHS2:06 pmCharleston
10h 30m
1 stop
SEA9:36 pmSeattle/Tacoma Intl
$201
American Airlines
Sep 11
SEA11:57 pmSeattle/Tacoma Intl
10h 19m
1 stop
CHS1:16 pmCharleston
Sep 14
CHS2:06 pmCharleston
10h 30m
1 stop
SEA9:36 pmSeattle/Tacoma Intl
$209

Southwest flights from Seattle to Charleston

Our best Southwest deals on Seattle to Charleston flight tickets
Southwest
Oct 27
SEA12:10 amSeattle/Tacoma Intl
13h 30m
1 stop
CHS4:40 pmCharleston
Nov 3
CHS1:30 pmCharleston
13h 00m
2 stops
SEA11:30 pmSeattle/Tacoma Intl
$190
Southwest
Oct 27
SEA12:10 amSeattle/Tacoma Intl
10h 25m
2 stops
CHS1:35 pmCharleston
Nov 3
CHS1:30 pmCharleston
13h 00m
2 stops
SEA11:30 pmSeattle/Tacoma Intl
$206
Southwest
Oct 27
SEA12:10 amSeattle/Tacoma Intl
10h 25m
2 stops
CHS1:35 pmCharleston
Nov 3
CHS1:30 pmCharleston
13h 00m
2 stops
SEA11:30 pmSeattle/Tacoma Intl
$212

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 August 14, 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

Cheapest round-trip

SeattleCharleston

SEA Seattle/Tacoma Intl - CHS Charleston

SEACHS

Seattle/Tacoma Intl

Thu 9/10

11:57 pm-1:16 pm

1 stop10h 19m

Charleston

Thu 9/17

2:06 pm-9:36 pm

1 stop10h 30m

$181

SeattleCharleston

SEA Seattle/Tacoma Intl - CHS Charleston

SEACHS

Seattle/Tacoma Intl

Sat 9/26

11:57 pm-1:16 pm

1 stop10h 19m

Charleston

Wed 9/30

7:18 am-2:51 pm

1 stop10h 33m

$181

SeattleCharleston

SEA Seattle/Tacoma Intl - CHS Charleston

SEACHS

Seattle/Tacoma Intl

Sun 1/10

7:20 am-8:42 pm

1 stop10h 22m

Charleston

Mon 1/11

5:55 pm-12:09 am

1 stop9h 14m

$183

SeattleCharleston

SEA Seattle/Tacoma Intl - CHS Charleston

SEACHS

Seattle/Tacoma Intl

Tue 10/27

12:10 am-4:40 pm

1 stop13h 30m

Charleston

Tue 11/3

1:30 pm-11:30 pm

2 stops13h 00m

$190

SeattleCharleston

SEA Seattle/Tacoma Intl - CHS Charleston

SEACHS

Seattle/Tacoma Intl

Wed 12/2

6:00 am-6:03 pm

1 stop9h 03m

Charleston

Sat 12/5

12:45 pm-8:20 pm

1 stop10h 35m

$197

SeattleCharleston

SEA Seattle/Tacoma Intl - CHS Charleston

SEACHS

Seattle/Tacoma Intl

Thu 12/3

10:50 pm-11:57 am

1 stop10h 07m

Charleston

Wed 12/16

12:45 pm-8:20 pm

1 stop10h 35m

$197

SeattleCharleston

SEA Seattle/Tacoma Intl - CHS Charleston

SEACHS

Seattle/Tacoma Intl

Wed 10/28

12:10 am-2:00 pm

2 stops10h 50m

Charleston

Mon 11/2

7:10 pm-12:40 am

1 stop8h 30m

$201

SeattleCharleston

SEA Seattle/Tacoma Intl - CHS Charleston

SEACHS

Seattle/Tacoma Intl

Tue 9/8

11:00 pm-10:37 am

1 stop8h 37m

Charleston

Tue 9/15

4:58 pm-10:45 pm

1 stop8h 47m

$247

SeattleCharleston

SEA Seattle/Tacoma Intl - CHS Charleston

SEACHS

Seattle/Tacoma Intl

Sun 10/18

11:13 pm-10:27 am

1 stop8h 14m

Charleston

Sat 10/24

7:00 am-12:48 pm

1 stop8h 48m

$247
Quickest round-trip

SeattleCharleston

SEA Seattle/Tacoma Intl - CHS Charleston

SEACHS

Seattle/Tacoma Intl

Wed 9/16

9:39 am-6:06 pm

Nonstop5h 27m

Charleston

Sat 9/26

3:04 pm-10:37 pm

1 stop10h 33m

$395

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 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 $347 to $648.
The lowest price recently found on this route was $181.

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 $287, 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 $296.

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

The cheapest day to depart from Seattle to Charleston is on a Friday. Travelers who choose to depart for Charleston on a Friday will often find tickets for as low as $408. The most expensive day to fly to Charleston is Monday, with ticket prices averaging around $514.

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 $407 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 $315 on momondo.

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

There are 4 cabin classes available to choose from on Seattle 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 25% 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 August 2026, prices for Seattle to Charleston flights are approximately 26% 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

$208

Fastest flight time

5h 17m

Direct flights

Every day

Airports in Charleston

1 airport
The best one-way flight to Charleston from Seattle in the past 72 hours is $208. The best round-trip flight deal from Seattle to Charleston found on momondo in the last 72 hours is $347.
The fastest flight from Seattle to Charleston takes 5h 17m
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 17m 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 $118Free CancellationRating
7.8
8,501 reviews
Search Delta flights
American AirlinesPriceFrom $178Free CancellationRating
7.1
11,927 reviews
Search American Airlines flights
United AirlinesPriceFrom $209Free CancellationRating
7.4
10,108 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $233Free CancellationRating
7.9
12,809 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $249Free CancellationRating
8.0
4,219 reviews
Search Southwest flights

  • Alaska Airlines Flights From Seattle to Charleston

    Across 1 Alaska Airlines flight from Seattle to Charleston this week, the average price was $432, with the best Alaska Airlines deals starting from $233 round-trip. 12,809 users have rated Alaska Airlines on momondo, with an average score of 7.9/10.

Traveling to a place near Charleston?

Book flights to Charleston if you plan to visit one of these locations
Folly Beach
North Charleston
Summerville
Isle of Palms
Mount Pleasant
Kiawah Island
Walterboro
Goose Creek
Edisto Island
Santee
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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