$144+ 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 7/12. 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
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 Wednesday and return on a Wednesday
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 May 12, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | CheapTicketsDeal 3 stars |
Round-trip from | $282 (United Airlines) |
One-way from | $144 (Delta) |
Popular in | December |
Cheapest in | January |
Average price | $483 |
Good round-trip deal | $298 or less |
Good one-way deal | $193 or less |
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 May 12, 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 May 12, 2025.
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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.
This Delta deal was found by Cheapflights users on 5/12. 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.
This American Airlines deal was found by Cheapflights users on 5/11. 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.
This United Airlines deal was found by Cheapflights users on 5/10. 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.
This Southwest deal was found by Cheapflights users on 5/11. 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.
This Hawaiian Airlines deal was found by Cheapflights users on 5/12. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 5/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 5/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Sun Country Air deal was found by Cheapflights users on 5/11. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight 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 May 12, 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
Mon 5/26
10:53 am-9:32 pm
1 stop7h 39m
Charleston
Fri 5/30
10:04 am-3:38 pm
1 stop8h 34m
SeattleCharleston
SEA - CHS
SEACHS
Seattle/Tacoma Intl
Fri 6/13
9:50 pm-8:31 am
1 stop7h 41m
Charleston
Mon 6/16
7:22 am-12:38 pm
1 stop8h 16m
SeattleCharleston
SEA - CHS
SEACHS
Seattle/Tacoma Intl
Thu 7/3
6:00 am-5:18 pm
1 stop8h 18m
Charleston
Tue 7/8
5:15 am-10:11 am
1 stop7h 56m
SeattleCharleston
SEA - CHS
SEACHS
Seattle/Tacoma Intl
Sat 5/31
9:30 am-5:51 pm
Nonstop5h 21m
Charleston
Tue 6/3
6:56 pm-9:59 pm
Nonstop6h 03m
SeattleCharleston
SEA - CHS
SEACHS
Seattle/Tacoma Intl
Thu 5/29
9:35 am-10:20 pm
1 stop9h 45m
Charleston
Mon 6/2
2:55 pm-11:25 pm
2 stops11h 30m
SeattleCharleston
SEA - CHS
SEACHS
Seattle/Tacoma Intl
Fri 5/30
3:20 pm-10:09 pm
3 stops27h 49m
Charleston
Sun 6/1
9:43 am-2:25 pm
2 stops31h 42m
SeattleCharleston
SEA - CHS
SEACHS
Seattle/Tacoma Intl
Wed 6/25
11:59 pm-11:59 am
1 stop9h 00m
Charleston
Wed 7/2
7:03 am-3:03 pm
3 stops35h 00m
SeattleCharleston
SEA - CHS
SEACHS
Seattle/Tacoma Intl
Wed 5/28
6:33 pm-11:49 am
1 stop14h 16m
Charleston
Sun 6/1
12:29 pm-8:08 am
1 stop22h 39m
SeattleCharleston
SEA - CHS
SEACHS
Seattle/Tacoma Intl
Wed 6/25
8:47 am-5:00 pm
Nonstop5h 13m
Charleston
Wed 7/2
6:03 pm-9:00 pm
Nonstop5h 57m
SeattleCharleston
SEA - CHS
SEACHS
Seattle/Tacoma Intl
Sat 7/12
7:15 am-9:32 pm
1 stop11h 17m
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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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 CheapTicketsDeal the most. CheapTicketsDeal 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.
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 May 9, 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, 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?
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 May 12, 2025.
It’s typically best to fly out from Seattle to Charleston in the afternoon. Doing so could potentially save you 42% 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 May 11, 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.
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 May 12, 2025.
The most flights from SEA to CHS are scheduled on a Monday (3 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 on average).
Rainfall in Charleston by month
Plan your trip to Charleston by taking into account the average rainfall totals 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
Plan your trip to Charleston by taking into account the average temperature totals 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
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 May 12, 2025.
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.
Boarding
Overall
Crew
Comfort
Entertainment
Food
Reviews
Anonymous,Aug 2024
SEA - LAS
Boarding
Overall
Crew
Comfort
Entertainment
Food
Reviews
Anonymous,Aug 2024
SEA - LAS
Boarding
Overall
Crew
Comfort
Entertainment
Food
Reviews
Anonymous,Aug 2024
SEA - LAS
Boarding
Overall
Crew
Comfort
Entertainment
Food
Reviews
Anonymous,Aug 2024
SEA - LAS
Boarding
Overall
Crew
Comfort
Entertainment
Food
Reviews
Anonymous,Aug 2024
SEA - LAS
Boarding
Overall
Crew
Comfort
Entertainment
Food
Reviews
Anonymous,Aug 2024
SEA - LAS
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.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsBrowse 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.
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 May 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$169 | Average$362 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$237 | Average$450 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$256 | Average$393 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$266 | Average$469 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$268 | Average$427 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$427 | Average$496 | FlexibilityNo cancel fee | On-time63% |