$102+ Cheap flights from Seattle to Charleston (SEA - CHS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CHS
Oct 21 — Oct 281
Round-trip
1 adult, Economy
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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 February or January, booked 38 days in advance, depart on a Wednesday or Saturday and return on a Wednesday
Cheap flight deals from Seattle to Charleston
Cheapest
Best
Last-minute
One-way
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 September 21, 2026.
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 September 21, 2026.
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/2110:31 am -
1 stop10h 28m
Tue 10/277:16 am -
1 stop11h 27m
Deal found 9/16![American Airlines logo]()
$203
This American Airlines deal was found by Cheapflights users on 9/16. 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 11/511:34 pm -
1 stop8h 50m
Mon 11/94:14 pm -
1 stop11h 21m
Deal found 9/16![American Airlines logo]()
$227
This American Airlines deal was found by Cheapflights users on 9/16. 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 11/611:34 pm -
1 stop8h 49m
Tue 11/104:14 pm -
1 stop11h 21m
Deal found 9/16![American Airlines logo]()
$228
This Southwest deal was found by Cheapflights users on 9/17. 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.
Mon 11/25:30 am -
1 stop7h 20m
Mon 11/27:10 pm -
1 stop8h 30m
Deal found 9/17![Southwest logo]()
$229
This Southwest deal was found by Cheapflights users on 9/16. 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.
Tue 12/156:30 am -
1 stop7h 00m
Wed 12/161:30 pm -
2 stops13h 00m
Deal found 9/16![Southwest logo]()
$231
This American Airlines deal was found by Cheapflights users on 9/16. 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 11/611:34 pm -
1 stop8h 49m
Mon 11/94:14 pm -
1 stop11h 21m
Deal found 9/16![American Airlines logo]()
$240
This JetBlue deal was found by Cheapflights users on 9/17. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:15 pm -
1 stop9h 00m
Fri 10/232:59 pm -
1 stop10h 43m
Deal found 9/17![JetBlue logo]()
$243
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/2311:13 pm -
1 stop8h 12m
Mon 11/23:29 pm -
1 stop10h 38m
Deal found 9/16![United Airlines logo]()
$253
This Southwest deal was found by Cheapflights users on 9/17. 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.
Thu 12/106:30 am -
1 stop7h 00m
Tue 12/158:00 am -
1 stop7h 50m
Deal found 9/17![Southwest logo]()
$254
This JetBlue deal was found by Cheapflights users on 9/17. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:15 pm -
1 stop9h 00m
Sat 10/243:04 pm -
1 stop10h 44m
Deal found 9/17![JetBlue logo]()
$255
This United Airlines deal was found by Cheapflights users on 9/16. 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 11/147:00 am -
1 stop8h 06m
Sat 12/56:00 am -
2 stops13h 23m
Deal found 9/16![United Airlines logo]()
$258
Best flights from Seattle to CharlestonDiscover 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 September 21, 2026.
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 September 21, 2026.
This Southwest deal was found by Cheapflights users on 9/19. 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.
Mon 3/112:15 am -
2 stops9h 30m
Tue 3/1612:50 pm -
1 stop11h 20m
Deal found 9/19![Southwest logo]()
$347
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/166:43 pm -
2 stops12h 42m
Fri 10/237:00 am -
2 stops11h 51m
Deal found 9/17![United Airlines logo]()
$374
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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.
Thu 12/39:11 am -
Nonstop5h 06m
Sun 12/66:20 pm -
Nonstop6h 15m
Deal found 9/20![Alaska Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 9/18. 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.
Tue 12/16:10 am -
2 stops10h 25m
Tue 12/88:00 am -
1 stop7h 50m
Deal found 9/18![Southwest logo]()
$347
This Southwest deal was found by Cheapflights users on 9/19. 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.
Mon 3/15:30 am -
1 stop9h 30m
Tue 3/1610:50 am -
2 stops10h 10m
Deal found 9/19![Southwest logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 12/169:11 am -
Nonstop5h 06m
Fri 12/256:33 pm -
Nonstop6h 09m
Deal found 9/20![Alaska Airlines logo]()
$402
This United Airlines deal was found by Cheapflights users on 9/16. 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 2/95:30 pm -
2 stops14h 31m
Wed 2/104:00 pm -
1 stop8h 12m
Deal found 9/16![United Airlines logo]()
$415
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 10/219:33 am -
Nonstop5h 22m
Tue 10/276:59 pm -
Nonstop5h 56m
Deal found 9/20![Alaska Airlines logo]()
$422
This Southwest deal was found by Cheapflights users on 9/20. 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.
Thu 11/125:30 am -
2 stops10h 45m
Mon 11/166:35 am -
2 stops14h 15m
Deal found 9/20![Southwest logo]()
$396
This Southwest deal was found by Cheapflights users on 9/20. 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.
Thu 11/125:30 am -
2 stops10h 45m
Sun 11/157:10 pm -
1 stop8h 25m
Deal found 9/20![Southwest logo]()
$420
This Southwest deal was found by Cheapflights users on 9/18. 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.
Fri 10/305:50 am -
2 stops9h 50m
Sun 11/17:10 pm -
1 stop8h 30m
Deal found 9/18![Southwest logo]()
$421
Last-minute flights from Seattle to CharlestonDiscover last-minute flight deals from Seattle to Charleston. Data last updated September 21, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Charleston. Data last updated September 21, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/611:13 pm -
1 stop8h 14m
Fri 10/163:03 pm -
1 stop9h 52m
Deal found 9/17![United Airlines logo]()
$293
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/1611:13 pm -
1 stop8h 12m
Wed 10/213:05 pm -
1 stop9h 50m
Deal found 9/20![United Airlines logo]()
$300
This JetBlue deal was found by Cheapflights users on 9/17. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:15 pm -
1 stop9h 00m
Fri 10/232:59 pm -
1 stop10h 43m
Deal found 9/17![JetBlue logo]()
$243
This JetBlue deal was found by Cheapflights users on 9/17. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:15 pm -
1 stop9h 00m
Sat 10/243:04 pm -
1 stop10h 44m
Deal found 9/17![JetBlue logo]()
$255
This Southwest deal was found by Cheapflights users on 9/17. 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.
Sat 10/176:15 am -
1 stop11h 25m
Sat 10/242:10 pm -
1 stop10h 35m
Deal found 9/17![Southwest logo]()
$282
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Sat 10/176:00 am -
1 stop9h 18m
Sat 10/246:40 am -
1 stop8h 38m
Deal found 9/17![American Airlines logo]()
$291
This JetBlue deal was found by Cheapflights users on 9/17. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:15 pm -
1 stop9h 00m
Sat 10/243:04 pm -
1 stop10h 44m
Deal found 9/17![JetBlue logo]()
$260
This JetBlue deal was found by Cheapflights users on 9/17. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:15 pm -
1 stop9h 00m
Fri 10/232:59 pm -
1 stop10h 43m
Deal found 9/17![JetBlue logo]()
$267
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/2110:31 am -
1 stop10h 28m
Tue 10/277:16 am -
1 stop11h 27m
Deal found 9/16![American Airlines logo]()
$203
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/2311:13 pm -
1 stop8h 12m
Mon 11/23:29 pm -
1 stop10h 38m
Deal found 9/16![United Airlines logo]()
$253
One-way flights from Seattle to CharlestonSearch for one-way flight options from Seattle to Charleston. Find affordable one-way fares based on user searches. Data last updated September 21, 2026.
Search for one-way flight options from Seattle to Charleston. Find affordable one-way fares based on user searches. Data last updated September 21, 2026.
This Southwest deal was found by Cheapflights users on 9/17. 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 11/186:30 am -
1 stop7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Southwest logo]()
$102
This Southwest deal was found by Cheapflights users on 9/17. 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.
Fri 11/1312:15 am -
2 stops11h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Southwest logo]()
$129
This American Airlines deal was found by Cheapflights users on 9/17. 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 10/2810:31 am -
1 stop10h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![American Airlines logo]()
$146
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/1611:14 pm -
2 stops11h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![United Airlines logo]()
$158
This Delta deal was found by Cheapflights users on 9/17. 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 10/511:59 pm -
1 stop8h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Delta logo]()
$176
This United Airlines deal was found by Cheapflights users on 9/20. 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.
Thu 2/1811:50 pm -
1 stop7h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![United Airlines logo]()
$185
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/287:04 pm -
2 stops12h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![United Airlines logo]()
$187
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Sun 10/186:00 am -
1 stop9h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![American Airlines logo]()
$189
This Southwest deal was found by Cheapflights users on 9/21. 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.
Thu 12/246:30 am -
1 stop7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Southwest logo]()
$190
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 September 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $203 (American Airlines) |
One-way from | $102 (Southwest) |
Popular in | November |
Cheapest in | February |
Average price | $337 |
Good round-trip deal | $357 or less |
Good one-way deal | $208 or less |
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 7,457,451 searches. Data last updated September 21, 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
Cheapest round-trip
SeattleCharleston
SEA Seattle/Tacoma Intl - CHS Charleston
SEACHS
Seattle/Tacoma Intl
Wed 11/18
10:56 pm-11:21 am
1 stop9h 25m
Charleston
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$153
SeattleCharleston
SEA Seattle/Tacoma Intl - CHS Charleston
SEACHS
Seattle/Tacoma Intl
Sat 11/14
6:45 am-6:10 pm
2 stops8h 25m
Charleston
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$158
SeattleCharleston
SEA Seattle/Tacoma Intl - CHS Charleston
SEACHS
Seattle/Tacoma Intl
Thu 2/18
11:50 pm-10:32 am
1 stop7h 42m
Charleston
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$185
SeattleCharleston
SEA Seattle/Tacoma Intl - CHS Charleston
SEACHS
Seattle/Tacoma Intl
Thu 2/18
5:30 am-8:50 pm
2 stops12h 20m
Charleston
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$195
SeattleCharleston
SEA Seattle/Tacoma Intl - CHS Charleston
SEACHS
Seattle/Tacoma Intl
Wed 10/28
7:00 am-11:59 pm
2 stops13h 59m
Charleston
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$223
SeattleCharleston
SEA Seattle/Tacoma Intl - CHS Charleston
SEACHS
Seattle/Tacoma Intl
Wed 10/14
8:25 am-11:59 pm
2 stops12h 34m
Charleston
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$234
Quickest round-trip
SeattleCharleston
SEA Seattle/Tacoma Intl - CHS Charleston
SEACHS
Seattle/Tacoma Intl
Fri 12/25
9:23 am-5:30 pm
Nonstop5h 07m
Charleston
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$264
SeattleCharleston
SEA Seattle/Tacoma Intl - CHS Charleston
SEACHS
Seattle/Tacoma Intl
Tue 10/6
12:10 am-1:35 pm
2 stops10h 25m
Charleston
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$269
SeattleCharleston
SEA Seattle/Tacoma Intl - CHS Charleston
SEACHS
Seattle/Tacoma Intl
Fri 10/2
5:50 am-8:05 pm
1 stop11h 15m
Charleston
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$269
SeattleCharleston
SEA Seattle/Tacoma Intl - CHS Charleston
SEACHS
Seattle/Tacoma Intl
Tue 9/29
9:40 pm-10:17 am
1 stop9h 37m
Charleston
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$281
Showing 1-10 of 22 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | 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 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.
SEA-CHS
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 $538). 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 September 21, 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.
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
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 September 21, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta 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
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
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 Charleston?
Book flights to Charleston if you plan to visit one of these locationsNorth Charleston
Santee
Summerville
Walterboro
Mount Pleasant
Goose Creek
Edisto Beach
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Explore flights to Charleston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 21, 2026.
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Seattle and Charleston flights
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Top 5 airlines flying from Seattle to Charleston
Discover the top 5 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 7,457,451 searches. Data last updated September 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$347 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$178 | Average$331 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$219 | Average$440 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$238 | Average$352 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$249 | Average$467 | FlexibilityNo cancel fee | On-time63% |