How popular is this Seattle to Charleston flight route?

This flight path from Seattle/Tacoma Intl to Charleston was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

According to our current data, Delta ($272), United Airlines ($277), and Hawaiian Airlines ($298) offers the cheapest pricing from Seattle to Charleston. You may be able to fly from Seattle to Charleston for 35% less than the average price by searching for these airlines.

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

$129 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 Delta and Southwest, with prices starting from $144 and $149, respectively.

What are the cheapest flights from Seattle to Charleston?

Looking at all options, your cheapest flight can be booked for $119. While the most popular route (Seattle/Tacoma Intl - Charleston) can be booked for $248 on average our data indicates $373 when flying from Seattle to Charleston.

What are the most popular airlines that fly from Seattle to Charleston?

When booking a flight from Seattle to Charleston, you may want to consider flying on American Airlines, Alaska Airlines or Delta as they are the most popular for this route.

What is the cheapest day to fly round-trip from Seattle to Charleston?

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 34% when planning your travel around this day of the week.

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

To save on the cost of your flight from Seattle to Charleston, book at least 25 days before your planned departure. Booking around this time can save you about 158% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $352 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $571.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, January can be a great choice for travel to Charleston. Flights to Charleston from Seattle in January are about $419 on average during January, but can be found for as low as $216.

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.

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 13m.

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.

$129+ Flights from Seattle to Charleston

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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

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 24 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Seattle to Charleston

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$272 (Delta)
One-way from	$129 (American Airlines)
Popular in	December
Cheapest in	January
Average price	$486
Good round-trip deal	$388 or less
Good one-way deal	$189 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. 3% potential increase in price ($17 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 April 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

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 April 15, 2025.

Sat 5/310:30 pmSEA - CHS

1 stop7h 55mDelta

Fri 5/96:24 pmCHS - SEA

1 stop8h 25mDelta

Deal found 4/14

$272

Fri 5/27:15 pmSEA - CHS

2 stops11h 56mUnited Airlines

Mon 5/56:30 amCHS - SEA

1 stop7h 55mUnited Airlines

Deal found 4/14

$277

Mon 5/59:41 amSEA - CHS

Nonstop5h 13mHawaiian Airlines

Fri 5/96:54 pmCHS - SEA

Nonstop6h 06mHawaiian Airlines

Deal found 4/14

$298

Tue 5/69:41 amSEA - CHS

Nonstop5h 13mAlaska Airlines

Sun 5/116:54 pmCHS - SEA

Nonstop6h 06mAlaska Airlines

Deal found 4/14

$308

Fri 5/96:00 amSEA - CHS

2 stops23h 38mSpirit Airlines

Mon 5/123:35 pmCHS - SEA

2 stops35h 35mSpirit Airlines

Deal found 4/14

$315

Mon 5/59:35 amSEA - CHS

1 stop9h 45mSouthwest

Mon 5/124:10 pmCHS - SEA

2 stops10h 25mSouthwest

Deal found 4/14

$323

Fri 5/21:35 pmSEA - CHS

1 stop7h 22mAmerican Airlines

Mon 5/57:14 pmCHS - SEA

1 stop8h 31mAmerican Airlines

Deal found 4/14

$333

Thu 5/299:30 amSEA - CHS

Nonstop5h 21mMultiple Airlines

Thu 6/56:56 pmCHS - SEA

Nonstop6h 03mMultiple Airlines

Deal found 4/14

$383

Best flights from Seattle to Charleston
Discover carefully curated flight deals from Seattle to Charleston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 15, 2025.

Sat 5/310:30 pmSEA - CHS

1 stop7h 55mDelta

Fri 5/96:24 pmCHS - SEA

1 stop8h 25mDelta

Deal found 4/14

$272

Fri 5/27:15 pmSEA - CHS

2 stops11h 56mUnited Airlines

Mon 5/56:30 amCHS - SEA

1 stop7h 55mUnited Airlines

Deal found 4/14

$277

Mon 5/59:41 amSEA - CHS

Nonstop5h 13mHawaiian Airlines

Fri 5/96:54 pmCHS - SEA

Nonstop6h 06mHawaiian Airlines

Deal found 4/14

$298

Tue 5/69:41 amSEA - CHS

Nonstop5h 13mAlaska Airlines

Sun 5/116:54 pmCHS - SEA

Nonstop6h 06mAlaska Airlines

Deal found 4/14

$308

Fri 5/96:00 amSEA - CHS

2 stops23h 38mSpirit Airlines

Mon 5/123:35 pmCHS - SEA

2 stops35h 35mSpirit Airlines

Deal found 4/14

$315

Mon 5/59:35 amSEA - CHS

1 stop9h 45mSouthwest

Mon 5/124:10 pmCHS - SEA

2 stops10h 25mSouthwest

Deal found 4/14

$323

Fri 5/21:35 pmSEA - CHS

1 stop7h 22mAmerican Airlines

Mon 5/57:14 pmCHS - SEA

1 stop8h 31mAmerican Airlines

Deal found 4/14

$333

Thu 5/299:30 amSEA - CHS

Nonstop5h 21mMultiple Airlines

Thu 6/56:56 pmCHS - SEA

Nonstop6h 03mMultiple Airlines

Deal found 4/14

$383

Last-minute flights from Seattle to Charleston
Discover last-minute flight deals from Seattle to Charleston. Data last updated April 15, 2025 and is based on user searches.

Mon 4/2112:45 amSEA - CHS

1 stop9h 13mDelta

Tue 4/295:35 amCHS - SEA

1 stop9h 51mDelta

Deal found 4/14

$372

Mon 4/217:17 pmSEA - CHS

2 stops11h 59mUnited Airlines

Fri 4/256:00 amCHS - SEA

2 stops10h 16mUnited Airlines

Deal found 4/14

$467

Tue 4/227:35 amSEA - CHS

2 stops11h 10mSouthwest

Tue 4/291:25 pmCHS - SEA

2 stops12h 35mSouthwest

Deal found 4/14

$447

Tue 4/2212:30 pmSEA - CHS

2 stops27h 05mSpirit Airlines

Tue 4/2912:59 pmCHS - SEA

3 stops25h 36mSpirit Airlines

Deal found 4/14

$544

Wed 4/239:41 amSEA - CHS

Nonstop5h 13mAlaska Airlines

Wed 4/306:54 pmCHS - SEA

Nonstop6h 06mAlaska Airlines

Deal found 4/14

$458

Wed 4/2312:30 pmSEA - CHS

2 stops17h 50mMultiple Airlines

Sun 4/271:40 pmCHS - SEA

1 stop30h 19mMultiple Airlines

Deal found 4/14

$539

Thu 4/247:20 amSEA - CHS

1 stop6h 57mAmerican Airlines

Sun 4/277:18 pmCHS - SEA

1 stop8h 33mAmerican Airlines

Deal found 4/14

$767

Thu 4/249:41 amSEA - CHS

Nonstop5h 13mHawaiian Airlines

Sun 4/276:54 pmCHS - SEA

Nonstop6h 06mHawaiian Airlines

Deal found 4/14

$968

Fri 5/27:15 pmSEA - CHS

2 stops11h 56mUnited Airlines

Mon 5/56:30 amCHS - SEA

1 stop7h 55mUnited Airlines

Deal found 4/14

$277

Fri 5/21:35 pmSEA - CHS

1 stop7h 22mAmerican Airlines

Mon 5/57:14 pmCHS - SEA

1 stop8h 31mAmerican Airlines

Deal found 4/14

$333

Sat 5/310:30 pmSEA - CHS

1 stop7h 55mDelta

Fri 5/96:24 pmCHS - SEA

1 stop8h 25mDelta

Deal found 4/14

$272

Mon 5/59:41 amSEA - CHS

Nonstop5h 13mHawaiian Airlines

Fri 5/96:54 pmCHS - SEA

Nonstop6h 06mHawaiian Airlines

Deal found 4/14

$298

One-way flights from Seattle to Charleston
Search for one-way flight options from Seattle to Charleston. Find affordable one-way fares based on user searches. Data last updated April 15, 2025.

Wed 5/145:20 amSEA - CHS

1 stop8h 57mAmerican Airlines

Deal found 4/14

$129

Sun 5/46:00 amSEA - CHS

1 stop8h 08mDelta

Deal found 4/14

$144

Sat 5/35:10 amSEA - CHS

2 stops9h 10mSouthwest

Deal found 4/14

$149

Wed 5/283:20 pmSEA - CHS

2 stops14h 18mSpirit Airlines

Deal found 4/14

$161

Wed 5/149:41 amSEA - CHS

Nonstop5h 13mAlaska Airlines

Deal found 4/14

$179

Thu 5/2211:59 pmSEA - CHS

1 stop8h 14mSun Country Air

Deal found 4/14

$184

Mon 6/29:30 amSEA - CHS

Nonstop5h 21mHawaiian Airlines

Deal found 4/13

$189

Sat 5/35:05 amSEA - CHS

3 stops13h 54mUnited Airlines

Deal found 4/14

$204

Sun 4/206:31 pmSEA - CHS

3 stops35h 49mMultiple Airlines

Deal found 4/14

$384

Cheapflights Fare Finder

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

Sat 5/3

10:30 pm-9:25 am

1 stop7h 55m

Charleston

Fri 5/9

6:24 pm-11:49 pm

1 stop8h 25m

$272

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Fri 5/2

7:15 pm-10:11 am

2 stops11h 56m

Charleston

Mon 5/5

6:30 am-11:25 am

1 stop7h 55m

$277

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Mon 5/5

9:41 am-5:54 pm

Nonstop5h 13m

Charleston

Fri 5/9

6:54 pm-10:00 pm

Nonstop6h 06m

$298

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Tue 5/6

9:41 am-5:54 pm

Nonstop5h 13m

Charleston

Sun 5/11

6:54 pm-10:00 pm

Nonstop6h 06m

$308

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Fri 5/9

6:00 am-8:38 am

2 stops23h 38m

Charleston

Mon 5/12

3:35 pm-12:10 am

2 stops35h 35m

$315

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Mon 5/5

9:35 am-10:20 pm

1 stop9h 45m

Charleston

Mon 5/12

4:10 pm-11:35 pm

2 stops10h 25m

$323

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Fri 5/2

1:35 pm-11:57 pm

1 stop7h 22m

Charleston

Mon 5/5

7:14 pm-12:45 am

1 stop8h 31m

$333

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Thu 5/29

9:30 am-5:51 pm

Nonstop5h 21m

Charleston

Thu 6/5

6:56 pm-9:59 pm

Nonstop6h 03m

$383

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Wed 5/14

5:20 am-5:17 pm

1 stop8h 57m

$129

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Sun 5/4

6:00 am-5:08 pm

1 stop8h 08m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 17 results

Compare providers for flights from Seattle to Charleston

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Charleston in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
CheapTicketsDeal	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Trip.com	Price Accuracy1 star	Trust 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 24 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, August is the cheapest month in which you can book a flight from Seattle to Charleston (average of $217). Flying from Seattle to Charleston in March is currently the most expensive (average of $335). 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?

It’s typically best to fly out from Seattle to Charleston in the afternoon. Doing so could potentially save you 44% 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?

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.

Weekly flight availability from Seattle to Charleston

The most flights from SEA to CHS are scheduled on a Monday (2 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Charleston by month

In terms of precipitation, rainfall in Charleston ranges from 2.4 - 7.2 inches per month. August is typically the wettest month, when rainfall can reach 7.2 in. November is typically the driest time to visit Charleston when rainfall is around 2.4 in.

Temperature in Charleston by month

If weather is an important factor for your trip to Charleston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Charleston

To help decide which airline to fly from Seattle to Charleston, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,871 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Alaska Airlines

8.0

Very good

9,871 reviews

Alaska Airlines

8.0

Very good

9,871 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Southwest

8.0

Very good

4,279 reviews

Alaska Airlines

8.0

Very good

9,871 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Delta

8.0

Very good

7,917 reviews

Alaska Airlines

8.0

Very good

9,871 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Hawaiian Airlines

7.9

Good

2,374 reviews

Alaska Airlines

8.0

Very good

9,871 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

United Airlines

7.4

Good

8,656 reviews

Alaska Airlines

8.0

Very good

9,871 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Related info for your journey

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 13m.
How popular is this Seattle to Charleston flight route?
This flight path from Seattle/Tacoma Intl to Charleston was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
What are the cheapest airlines flying from Seattle to Charleston round-trip?
According to our current data, Delta ($272), United Airlines ($277), and Hawaiian Airlines ($298) offers the cheapest pricing from Seattle to Charleston. You may be able to fly from Seattle to Charleston for 35% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Seattle to Charleston one-way?
$129 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 Delta and Southwest, with prices starting from $144 and $149, respectively.
What are the cheapest flights from Seattle to Charleston?
Looking at all options, your cheapest flight can be booked for $119. While the most popular route (Seattle/Tacoma Intl - Charleston) can be booked for $248 on average our data indicates $373 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, August is the cheapest month in which you can book a flight from Seattle to Charleston (average of $217). Flying from Seattle to Charleston in March is currently the most expensive (average of $335). 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

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Top 6 airlines flying from Seattle to Charleston

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$146	Average$340	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$238	Average$455	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$256	Average$391	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$266	Average$465	FlexibilityNo cancel fee	On-time69%
Hawaiian Airlines	Cheapest$318	Average$427	FlexibilityNo cancel fee	On-time85%
Southwest	Cheapest$427	Average$496	FlexibilityNo cancel fee	On-time63%

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$129+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to Charleston with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Charleston are usually found in January or September, booked 24 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Seattle to Charleston

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Seattle to Charleston

Cheapest flights from Seattle to CharlestonExplore 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 April 15, 2025.

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 April 15, 2025.

Cheapflights Fare Finder

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

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 April.

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.

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 April 11, 2025.

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

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 April 15, 2025.

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 March 30, 2025.

Weekly flight availability from Seattle to Charleston

Explore weekly flight availability from Seattle to Charleston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 15, 2025.

Rainfall in Charleston by month

Plan your trip to Charleston by taking into account the average rainfall totals by month.

Temperature in Charleston by month

Plan your trip to Charleston by taking into account the average temperature totals by month.

Reviews of airlines servicing Charleston

To help decide which airline to fly from Seattle to Charleston, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

How popular is this Seattle to Charleston flight route?

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

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

What are the cheapest flights from Seattle to Charleston?

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

How can I find direct flights from Seattle to Charleston?

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

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

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Alternative routes for Seattle to Charleston

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Top 6 airlines flying from Seattle to Charleston

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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 April 15, 2025.