HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Charleston

$90+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CHS
Dec 7 — Dec 141
Sun 12/7
Sun 12/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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

Find 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 November 7, 2025.

This American Airlines deal was found by Cheapflights users on 11/5. 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.
Fri 12/512:38 amSEA - CHS
1 stop9h 35mAmerican Airlines
Wed 12/106:10 amCHS - SEA
1 stop8h 27mAmerican Airlines
Deal found 11/5$179
This American Airlines deal was found by Cheapflights users on 11/5. 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.
Fri 12/510:34 amSEA - CHS
1 stop8h 38mAmerican Airlines
Mon 12/86:09 amCHS - SEA
1 stop8h 28mAmerican Airlines
Deal found 11/5$204
This Cheapflightsfares deal was found by Cheapflights users on 11/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/610:07 amSEA - CHS
Nonstop5h 17mAlaska Airlines
Wed 12/107:24 pmCHS - SEA
Nonstop6h 06mAlaska Airlines
Deal found 11/5$215
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/310:07 amSEA - CHS
Nonstop5h 17mAlaska Airlines
Wed 12/107:24 pmCHS - SEA
Nonstop6h 06mAlaska Airlines
Deal found 11/5$217
This Cheapflightsfares deal was found by Cheapflights users on 11/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/310:07 amSEA - CHS
Nonstop5h 17mAlaska Airlines
Sun 12/77:24 pmCHS - SEA
Nonstop6h 06mAlaska Airlines
Deal found 11/6$235
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/310:07 amSEA - CHS
Nonstop5h 17mAlaska Airlines
Fri 12/127:24 pmCHS - SEA
Nonstop6h 06mAlaska Airlines
Deal found 11/5$237
This United Airlines deal was found by Cheapflights users on 11/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/68:40 amSEA - CHS
2 stops12h 17mUnited Airlines
Wed 12/102:51 pmCHS - SEA
1 stop9h 03mUnited Airlines
Deal found 11/5$242
This American Airlines deal was found by Cheapflights users on 11/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:41 amSEA - CHS
1 stop8h 22mAmerican Airlines
Fri 12/126:09 amCHS - SEA
1 stop8h 28mAmerican Airlines
Deal found 11/6$243
This American Airlines deal was found by Cheapflights users on 11/5. 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 11/196:19 amSEA - CHS
1 stop7h 25mAmerican Airlines
Sun 11/237:43 pmCHS - SEA
1 stop8h 15mAmerican Airlines
Deal found 11/5$245
This Alaska Airlines deal was found by Cheapflights users on 11/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/210:07 amSEA - CHS
Nonstop5h 17mAlaska Airlines
Sat 12/67:24 pmCHS - SEA
Nonstop6h 06mAlaska Airlines
Deal found 11/6$247
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Fri 12/55:00 amSEA - CHS
1 stop7h 09mUnited Airlines
Tue 12/92:51 pmCHS - SEA
2 stops12h 59mUnited Airlines
Deal found 11/4$253
This Cheapflightsfares deal was found by Cheapflights users on 11/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:07 amSEA - CHS
Nonstop5h 17mAlaska Airlines
Mon 12/87:24 pmCHS - SEA
Nonstop6h 06mAlaska Airlines
Deal found 11/5$255

Cheap 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 November 7, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$179
(American Airlines)

One-way from

$90
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$388

Good round-trip deal

$403 or less

Good one-way deal

$239 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Charleston flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Charleston flights.
Search Deals
From Seattle/Tacoma Intl to Charleston
Search Deals
One-way flight from Seattle/Tacoma Intl to Charleston
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Charleston.
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl to Charleston.
Search Deals

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 November 7, 2025.
Use the filters below to find and compare flights from Seattle to Charleston that are best for you.

Fly from

Seattle

Fly to

Charleston

Route

Depart

Return

Price

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Fri 12/5

12:38 am-1:13 pm

1 stop9h 35m

Charleston

Wed 12/10

6:10 am-11:37 am

1 stop8h 27m

$179

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Fri 12/5

10:07 am-6:24 pm

Nonstop5h 17m

Charleston

Mon 12/8

7:24 pm-10:30 pm

Nonstop6h 06m

$255

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Thu 12/11

10:07 am-6:24 pm

Nonstop5h 17m

Charleston

Mon 12/15

7:24 pm-10:30 pm

Nonstop6h 06m

$255

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Thu 12/4

10:07 am-6:24 pm

Nonstop5h 17m

Charleston

Sun 12/7

7:24 pm-10:30 pm

Nonstop6h 06m

$257

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Thu 12/4

10:07 am-6:24 pm

Nonstop5h 17m

Charleston

Thu 12/11

7:24 pm-10:30 pm

Nonstop6h 06m

$257

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Fri 12/5

10:40 am-11:42 pm

2 stops10h 02m

Charleston

Mon 12/8

4:38 pm-10:28 pm

1 stop8h 50m

$264

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Sun 12/7

10:07 am-6:24 pm

Nonstop5h 17m

Charleston

Wed 12/10

7:24 pm-10:30 pm

Nonstop6h 06m

$277

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Thu 12/4

8:10 am-11:42 pm

2 stops12h 32m

Charleston

Sun 12/7

6:05 am-11:47 am

1 stop8h 42m

$303

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Mon 11/17

8:36 am-9:59 pm

2 stops10h 23m

Charleston

Mon 11/24

6:00 am-12:34 pm

1 stop9h 34m

$334

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Wed 12/24

9:45 am-5:57 pm

Nonstop5h 12m

Charleston

Fri 1/9

7:22 pm-10:29 pm

Nonstop6h 07m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 21 results
1
2
3

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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Charleston flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Charleston. Price data was last updated on October 31, 2025.

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 62 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, October is the cheapest month in which you can book a flight from Seattle to Charleston (average of $192). Flying from Seattle to Charleston in June is currently the most expensive (average of $308). 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 November 7, 2025.

It’s typically best to fly out from Seattle to Charleston in the afternoon. Doing so could potentially save you 40% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Seattle to Charleston?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Charleston. Price data was last updated on November 2, 2025.

Travelers seeking maximum savings on their Seattle to Charleston flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Seattle to Charleston flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Seattle to Charleston trip
Airports
SEA

Use SEA Spot Saver to book security screening appointments in advance, reducing wait times without needing TSA PreCheck or CLEAR.

Read more about SEAby Brandon Schultz
CHS

For a quick ride to downtown, rideshare services are more convenient and frequent than taxis at CHS.

Read more about CHSby Ramsey Qubein
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz

Brandon Schultz

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.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on CHS

Ramsey Qubein

Ramsey Qubein

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.

Read more

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 November 7, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and Hawaiian 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.
Alaska Airlines
8.0
Very good
11,247 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Alaska Airlines
8.0
Very good
11,247 reviews
Alaska Airlines
8.0
Very good
11,247 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Delta
7.9
Good
8,001 reviews
Alaska Airlines
8.0
Very good
11,247 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Hawaiian Airlines
7.8
Good
2,804 reviews
Alaska Airlines
8.0
Very good
11,247 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
United Airlines
7.4
Good
9,007 reviews
Alaska Airlines
8.0
Very good
11,247 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
American Airlines
7.2
Good
11,040 reviews
Alaska Airlines
8.0
Very good
11,247 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.

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.

  • What airports do I use to fly from Seattle to Charleston?

    You will need to book a flight from Seattle/Tacoma Intl to Charleston if you want to fly from Seattle to Charleston. At least 6 different airlines have flights from Seattle/Tacoma Intl (SEA) to Charleston (CHS) on a regular basis. There is 1 flight to Charleston from the Seattle airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SEA to CHS to be around 5h 08m.

  • How popular is this Seattle to Charleston flight route?

    This flight path from Seattle/Tacoma Intl to Charleston was viewed by 7 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Seattle to Charleston?

    Departing from Seattle to Charleston will take you 5h 17m. 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 ($169), American Airlines ($203), and Southwest ($212) offers the cheapest pricing from Seattle to Charleston. You may be able to fly from Seattle to Charleston for 58% less than the average price by searching for these airlines.

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

    $90 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 Alaska Airlines, with prices starting from $106 and $129, respectively.

  • What are the cheapest flights from Seattle to Charleston?

    Looking at all options, your cheapest flight can be booked for $147. While the most popular route (Seattle/Tacoma Intl - Charleston) can be booked for $213 on average, our data indicates $431 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, October is the cheapest month in which you can book a flight from Seattle to Charleston (average of $192). Flying from Seattle to Charleston in June is currently the most expensive (average of $308). 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
Summerville
Santee
Walterboro
Isle of Palms
Mount Pleasant
Edisto Beach

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Charleston

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Charlotte flights
Portland to Charlotte flights
Portland to Savannah flights
Seattle to Greenville flights
Seattle to Savannah flights
Portland to Charleston flights
Seattle to Myrtle Beach flights
Spokane to Charlotte flights
Portland to Greenville flights
Seattle to Columbia flights
Seattle to Augusta flights
Pasco to Savannah flights
Spokane to Greenville flights
Seattle to Florence flights
Spokane to Charleston flights
Portland to Myrtle Beach flights
Pasco to Charleston flights
Pasco to Charlotte flights
Spokane to Columbia flights
Spokane to Savannah flights
Portland to Columbia flights
Yakima to Charlotte flights
Portland to Augusta flights
Seattle to Hilton Head Island flights
Portland to Hilton Head Island flights
Spokane to Myrtle Beach flights
Pasco to Augusta flights
Walla Walla to Charleston flights
Yakima to Charleston flights
Wenatchee to Charlotte flights
Yakima to Hilton Head Island flights
Portland to Florence flights
Spokane to Hilton Head Island flights
Bellingham to Savannah flights
Bellingham to Hilton Head Island flights
Walla Walla to Charlotte flights

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 November 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$169Average$371FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$203Average$378FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$212Average$496FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$237Average$438FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$252Average$407FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$257Average$436FlexibilityNo cancel feeOn-time85%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.