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Cheap flights from Seattle to Charleston from $104

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 10/3. 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

American Airlines Logo
12:34 am - 1:12 pmSEA-CHS
9h 38m1 stop
American Airlines Logo
7:00 am - 3:31 pmCHS-SEA
11h 31m1 stop
$207American Airlines
Find Deal
mar., oct. 28 - mar., nov. 4
Hawaiian Airlines Logo
8:58 am - 5:17 pmSEA-CHS
5h 19mnonstop
Hawaiian Airlines Logo
6:17 pm - 9:07 pmCHS-SEA
5h 50mnonstop
$237Hawaiian Airlines
Find Deal
sáb., sep. 6 - mié., sep. 10
Alaska Airlines Logo
8:59 am - 5:17 pmSEA-CHS
5h 18mnonstop
Alaska Airlines Logo
6:17 pm - 9:07 pmCHS-SEA
5h 50mnonstop
$277Alaska Airlines
Find Deal
jue., ago. 21 - jue., sep. 25
Southwest Logo
6:15 am - 10:40 pmSEA-CHS
13h 25m1 stop
Southwest Logo
4:25 pm - 11:35 pmCHS-SEA
10h 10m1 stop
$292Southwest
Find Deal
jue., ago. 28 - jue., sep. 4
Southwest Logo
5:35 am - 9:15 pmSEA-CHS
12h 40m1 stop
Southwest Logo
7:10 am - 3:05 pmCHS-SEA
10h 55m2 stops
$293Southwest
Find Deal
mié., ago. 27 - mar., sep. 23
Alaska Airlines Logo
8:59 am - 5:17 pmSEA-CHS
5h 18mnonstop
Alaska Airlines Logo
6:13 pm - 9:03 pmCHS-SEA
5h 50mnonstop
$297Alaska Airlines
Find Deal
dom., ago. 31 - mié., sep. 3
Delta Logo
6:00 am - 5:58 pmSEA-CHS
8h 58m1 stop
Delta Logo
5:10 am - 10:09 amCHS-SEA
7h 59m1 stop
$307Delta
Find Deal
mar., sep. 9 - dom., sep. 14
Delta Logo
7:10 am - 11:51 pmSEA-CHS
13h 41m2 stops
Delta Logo
10:21 am - 4:14 pmCHS-SEA
8h 53m1 stop
$344Delta
Find Deal
mié., ago. 27 - mié., sep. 24
United Airlines Logo
6:20 am - 5:33 pmSEA-CHS
8h 13m1 stop
United Airlines Logo
10:00 am - 6:52 pmCHS-SEA
11h 52m2 stops
$362United Airlines
Find Deal
mié., oct. 29 - mar., nov. 4
United Airlines Logo
7:00 am - 11:42 pmSEA-CHS
13h 42m2 stops
United Airlines Logo
11:14 am - 10:30 pmCHS-SEA
14h 16m2 stops
$367United Airlines
Find Deal
mié., oct. 29 - sáb., nov. 1

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 52m
2 stops
SEA6:52 pmSeattle/Tacoma Intl
$362
Find similar
United Airlines
Oct 29
SEA7:00 amSeattle/Tacoma Intl
13h 42m
2 stops
CHS11:42 pmCharleston
Nov 1
CHS11:14 amCharleston
14h 16m
2 stops
SEA10:30 pmSeattle/Tacoma Intl
$367
Find similar
United Airlines
Oct 29
SEA12:41 pmSeattle/Tacoma Intl
18h 27m
3 stops
CHS10:08 amCharleston
Nov 4
CHS10:00 amCharleston
11h 52m
2 stops
SEA6:52 pmSeattle/Tacoma Intl
$372
Find similar

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
CHS7:00 amCharleston
11h 31m
1 stop
SEA3:31 pmSeattle/Tacoma Intl
$207
Find similar
American Airlines
Aug 20
SEA8:08 pmSeattle/Tacoma Intl
11h 01m
1 stop
CHS10:09 amCharleston
Sep 10
CHS5:37 pmCharleston
7h 52m
1 stop
SEA10:29 pmSeattle/Tacoma Intl
$247
Find similar
American Airlines
Sep 26
SEA7:45 amSeattle/Tacoma Intl
10h 57m
1 stop
CHS9:42 pmCharleston
Oct 1
CHS5:37 pmCharleston
7h 52m
1 stop
SEA10:29 pmSeattle/Tacoma Intl
$252
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 julio 31, 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

mar. 10/28

12:34 am-1:12 pm

1 stop9h 38m

Charleston

mar. 11/4

7:00 am-3:31 pm

1 stop11h 31m

$207

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

sáb. 9/6

8:58 am-5:17 pm

Nonstop5h 19m

Charleston

mié. 9/10

6:17 pm-9:07 pm

Nonstop5h 50m

$237

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

jue. 8/21

8:59 am-5:17 pm

Nonstop5h 18m

Charleston

jue. 9/25

6:17 pm-9:07 pm

Nonstop5h 50m

$277

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

jue. 8/28

6:15 am-10:40 pm

1 stop13h 25m

Charleston

jue. 9/4

4:25 pm-11:35 pm

1 stop10h 10m

$292

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

mié. 8/27

5:35 am-9:15 pm

1 stop12h 40m

Charleston

mar. 9/23

7:10 am-3:05 pm

2 stops10h 55m

$293

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

dom. 8/31

8:59 am-5:17 pm

Nonstop5h 18m

Charleston

mié. 9/3

6:13 pm-9:03 pm

Nonstop5h 50m

$297

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

mar. 9/9

6:00 am-5:58 pm

1 stop8h 58m

Charleston

dom. 9/14

5:10 am-10:09 am

1 stop7h 59m

$307

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

mié. 8/27

7:10 am-11:51 pm

2 stops13h 41m

Charleston

mié. 9/24

10:21 am-4:14 pm

1 stop8h 53m

$344

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

mié. 10/29

6:20 am-5:33 pm

1 stop8h 13m

Charleston

mar. 11/4

10:00 am-6:52 pm

2 stops11h 52m

$362

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

mié. 10/29

7:00 am-11:42 pm

2 stops13h 42m

Charleston

sáb. 11/1

11:14 am-10:30 pm

2 stops14h 16m

$367

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 $288, 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 $321.

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 $373. 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 $425 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 $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 $344 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 10% 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 July 2025, prices for Seattle to Charleston flights are approximately 18% 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

$104

Fastest flight time

5h 13m

Direct flights

Every day

Airports in Charleston

1 airport
The best one-way flight to Charleston from Seattle in the past 72 hours is $104. The best round-trip flight deal from Seattle to Charleston found on momondo in the last 72 hours is $207.
The fastest flight from Seattle to Charleston takes 5h 13m
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 13m 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 $169Free CancellationRating
8.0
7,981 reviews
Search Delta flights
SouthwestPriceFrom $212Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $237Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $238Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $256Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
Hawaiian AirlinesPriceFrom $257Free CancellationRating
7.8
2,611 reviews
Search Hawaiian Airlines flights

  • Alaska Airlines Flights From Seattle to Charleston

    Across 6 Alaska Airlines flights from Seattle to Charleston this week, the average price was $430, with the best Alaska Airlines deals starting from $237 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 2,611 Hawaiian Airlines reviews on momondo, the average score is 7.8/10. Hawaiian Airlines flies from Seattle to Charleston about 6 times each week, with ticket deals ranging from $257 to $410. 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
Mount Pleasant
Summerville
Edisto Island
Walterboro
Edisto Beach
Goose Creek
Santee
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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