Charleston

$119+ Cheap flights from Seattle to Charleston (SEA - CHS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CHS
Jul 9 — Jul 161
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Find cheap flights from Seattle to Charleston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Charleston are usually found in February or January, booked 62 days in advance, depart on a Saturday or Thursday and return on a Thursday

Cheap flight deals from Seattle to Charleston

Cheapest flights from Seattle to Charleston
Explore the most affordable flight options available from Seattle to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 2026.

This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:00 pm
SEA
-
CHS
1 stop8h 41m
United Airlines
Fri 10/23:03 pm
CHS
-
SEA
1 stop9h 52m
United Airlines
Deal found 6/6$232
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:59 pm
SEA
-
CHS
1 stop9h 32m
American Airlines
Sat 10/174:18 pm
CHS
-
SEA
1 stop9h 35m
American Airlines
Deal found 6/7$237
This United Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:04 pm
SEA
-
CHS
1 stop7h 58m
United Airlines
Tue 9/2910:19 am
CHS
-
SEA
2 stops10h 27m
United Airlines
Deal found 6/3$242
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:10 pm
SEA
-
CHS
1 stop10h 07m
Delta
Sun 8/306:00 am
CHS
-
SEA
1 stop11h 50m
Delta
Deal found 6/8$247
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:00 am
SEA
-
CHS
1 stop8h 57m
Delta
Tue 10/205:55 pm
CHS
-
SEA
1 stop9h 14m
Delta
Deal found 6/6$257
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:40 am
SEA
-
CHS
1 stop6h 40m
Southwest
Mon 8/244:05 pm
CHS
-
SEA
1 stop7h 40m
Southwest
Deal found 6/8$259
This American Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:40 am
SEA
-
CHS
1 stop9h 16m
American Airlines
Thu 9/173:41 pm
CHS
-
SEA
1 stop11h 17m
American Airlines
Deal found 6/5$276
This American Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:26 am
SEA
-
CHS
1 stop8h 35m
American Airlines
Mon 7/207:53 pm
CHS
-
SEA
1 stop8h 04m
American Airlines
Deal found 6/5$278
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:40 am
SEA
-
CHS
1 stop9h 54m
United Airlines
Wed 9/164:30 pm
CHS
-
SEA
1 stop9h 34m
United Airlines
Deal found 6/6$280
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:00 pm
SEA
-
CHS
1 stop8h 39m
American Airlines
Sat 8/292:06 pm
CHS
-
SEA
1 stop7h 42m
American Airlines
Deal found 6/8$282
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1411:20 pm
SEA
-
CHS
1 stop7h 51m
United Airlines
Tue 7/213:34 pm
CHS
-
SEA
1 stop11h 10m
United Airlines
Deal found 6/4$284

Find flight deals from Seattle to Charleston

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Charleston (CHS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$232
(United Airlines)

One-way from

$119
(American Airlines)

Popular in

June

Cheapest in

February

Average price

$510

Good round-trip deal

$442 or less

Good one-way deal

$243 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Charleston flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Charleston flights.
From Seattle/Tacoma Intl to Charleston
One-way flight from Seattle/Tacoma Intl to Charleston
Highest demand for flights based on searches. 14% potential increase in price ($66 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Charleston.
Price to beat on a one-way flight from Seattle/Tacoma Intl to Charleston.

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 9, 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 - CHS

SEACHS

Seattle/Tacoma Intl

Fri 8/28

5:30 am-5:58 pm

1 stop9h 28m

Charleston

Sun 8/30

6:00 am-2:50 pm

1 stop11h 50m

$247
Quickest round-trip

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Tue 8/25

10:35 pm-8:58 am

1 stop7h 23m

Charleston

Sat 8/29

1:13 pm-7:05 pm

1 stop8h 52m

$288

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Tue 8/18

9:53 am-10:24 pm

1 stop9h 31m

Charleston

Thu 8/20

6:45 pm-11:57 pm

1 stop8h 12m

$313

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Wed 6/24

5:15 am-7:35 pm

1 stop11h 20m

Charleston

Sat 7/4

11:00 am-4:40 pm

1 stop8h 40m

$332

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Sat 7/11

6:45 am-6:50 pm

1 stop9h 05m

Charleston

Sat 7/18

7:15 pm-12:10 am

1 stop7h 55m

$340

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Tue 7/14

5:04 pm-10:23 am

2 stops14h 19m

Charleston

Tue 7/21

3:34 pm-11:44 pm

1 stop11h 10m

$352

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Tue 8/25

3:30 pm-10:03 am

2 stops15h 33m

Charleston

Sat 8/29

6:30 am-3:29 pm

2 stops11h 59m

$357

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Thu 8/27

10:30 pm-10:50 am

1 stop9h 20m

Charleston

Sun 8/30

2:05 pm-9:45 pm

2 stops10h 40m

$357

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Wed 7/15

7:30 pm-1:15 pm

2 stops14h 45m

Charleston

Tue 7/21

4:15 pm-11:35 pm

2 stops10h 20m

$394

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Thu 8/27

11:04 pm-10:03 am

1 stop7h 59m

Charleston

Sun 8/30

7:00 am-2:52 pm

1 stop10h 52m

$408

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/4

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Seattle to Charleston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Charleston in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Charleston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Charleston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Charleston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Charleston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Charleston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Charleston

Have a flexible travel schedule? Discover the best time to fly to Charleston from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Charleston

How far ahead should I book a flight from Seattle to Charleston?

The price you pay for your flight from Seattle to Charleston may vary depending on when you book. For the best chance of a lower fare, look to book 37 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Seattle to Charleston?

Currently, February is the cheapest month in which you can book a flight from Seattle to Charleston (average of $287). Flying from Seattle to Charleston in November is currently the most expensive (average of $536). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to CHS?

Find hourly flight availability from Seattle to Charleston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 9, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Charleston as you normally would.

How much does it cost to fly round-trip from Seattle to Charleston?

The best insider tips for Seattle to Charleston flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Seattle to Charleston trip
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Ramsey Qubein

Ramsey Qubein

Expert on CHS

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Reviews of airlines servicing Charleston

Get insights into the airlines that provide service to Charleston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Charleston. Reviews last updated June 9, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andHawaiian Airlines from Seattle to Charleston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.0

Comfort

7.8

Crew

8.5

Food

7.1

Overall

7.9

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Entertainment

7.0

Comfort

7.8

Crew

8.5

Food

7.1

Overall

7.9

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Entertainment

7.0

Comfort

7.8

Crew

8.5

Food

7.1

Overall

7.9

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Entertainment

7.0

Comfort

7.8

Crew

8.5

Food

7.1

Overall

7.9

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Entertainment

7.0

Comfort

7.8

Crew

8.5

Food

7.1

Overall

7.9

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Entertainment

7.0

Comfort

7.8

Crew

8.5

Food

7.1

Overall

7.9

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Charleston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How popular is this Seattle to Charleston flight route?

  • How long is the flight from Seattle to Charleston?

    Departing from Seattle to Charleston will take you 9h 28m. The distance between Seattle and Charleston is about 2409 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Seattle to Charleston round-trip?

    According to our current data, Delta ($108), Southwest ($173), and American Airlines ($178) offers the cheapest pricing from Seattle to Charleston. You may be able to fly from Seattle to Charleston for 72% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Seattle to Charleston one-way?

    $82 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Southwest and Delta, with prices starting from $89 and $98, respectively.

  • What are the cheapest flights from Seattle to Charleston?

    Looking at all options, your cheapest flight can be booked for $198. While the most popular route (Seattle/Tacoma Intl - Charleston) can be booked for $237 on average, our data indicates $450 when flying from Seattle to Charleston.

  • Can I find deals for flights from Seattle to Charleston that include hotel bookings?

    Yes. In addition to deals on Seattle to Charleston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Charleston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Charleston.

  • Can I find deals for business class flights from Seattle to Charleston?

    Yes. Cheapflights offers flight deals from Seattle to Charleston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Charleston?

    Currently, February is the cheapest month in which you can book a flight from Seattle to Charleston (average of $287). Flying from Seattle to Charleston in November is currently the most expensive (average of $536). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Charleston?

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

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Seattle to Charleston

Discover the top 6 airlines that operate flights from Seattle to Charleston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$108Average$347FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$173Average$442FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$178Average$335FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$189Average$477FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$198Average$352FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$228Average$416FlexibilityNo cancel feeOn-time75%

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