$119+ Cheap flights from Seattle to Charleston (SEA - CHS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CHS
Jul 9 — Jul 161
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 62 days in advance, depart on a Saturday or Thursday and return on a Thursday
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 June 9, 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 June 9, 2026.
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:00 pm
SEA
- CHS
1 stop8h 41m
United Airlines
Fri 10/23:03 pm
CHS
- SEA
1 stop9h 52m
United Airlines
Deal found 6/6![United Airlines logo]()
$232
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:59 pm
SEA
- CHS
1 stop9h 32m
American Airlines
Sat 10/174:18 pm
CHS
- SEA
1 stop9h 35m
American Airlines
Deal found 6/7![American Airlines logo]()
$237
This United Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:04 pm
SEA
- CHS
1 stop7h 58m
United Airlines
Tue 9/2910:19 am
CHS
- SEA
2 stops10h 27m
United Airlines
Deal found 6/3![United Airlines logo]()
$242
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:10 pm
SEA
- CHS
1 stop10h 07m
Delta
Sun 8/306:00 am
CHS
- SEA
1 stop11h 50m
Delta
Deal found 6/8![Delta logo]()
$247
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:00 am
SEA
- CHS
1 stop8h 57m
Delta
Tue 10/205:55 pm
CHS
- SEA
1 stop9h 14m
Delta
Deal found 6/6![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:40 am
SEA
- CHS
1 stop6h 40m
Southwest
Mon 8/244:05 pm
CHS
- SEA
1 stop7h 40m
Southwest
Deal found 6/8![Southwest logo]()
$259
This American Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:40 am
SEA
- CHS
1 stop9h 16m
American Airlines
Thu 9/173:41 pm
CHS
- SEA
1 stop11h 17m
American Airlines
Deal found 6/5![American Airlines logo]()
$276
This American Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:26 am
SEA
- CHS
1 stop8h 35m
American Airlines
Mon 7/207:53 pm
CHS
- SEA
1 stop8h 04m
American Airlines
Deal found 6/5![American Airlines logo]()
$278
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:40 am
SEA
- CHS
1 stop9h 54m
United Airlines
Wed 9/164:30 pm
CHS
- SEA
1 stop9h 34m
United Airlines
Deal found 6/6![United Airlines logo]()
$280
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:00 pm
SEA
- CHS
1 stop8h 39m
American Airlines
Sat 8/292:06 pm
CHS
- SEA
1 stop7h 42m
American Airlines
Deal found 6/8![American Airlines logo]()
$282
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1411:20 pm
SEA
- CHS
1 stop7h 51m
United Airlines
Tue 7/213:34 pm
CHS
- SEA
1 stop11h 10m
United Airlines
Deal found 6/4![United Airlines logo]()
$284
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 June 9, 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 June 9, 2026.
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:30 am
SEA
- CHS
1 stop9h 28m
Delta
Sun 8/306:00 am
CHS
- SEA
1 stop11h 50m
Delta
Deal found 6/8![Delta logo]()
$247
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/245:15 am
SEA
- CHS
1 stop11h 20m
Southwest
Sat 7/411:00 am
CHS
- SEA
1 stop8h 40m
Southwest
Deal found 6/7![Southwest logo]()
$332
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:04 pm
SEA
- CHS
2 stops14h 19m
United Airlines
Tue 7/213:34 pm
CHS
- SEA
1 stop11h 10m
United Airlines
Deal found 6/4![United Airlines logo]()
$352
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:35 pm
SEA
- CHS
1 stop7h 23m
Delta
Sat 8/291:13 pm
CHS
- SEA
1 stop8h 52m
Delta
Deal found 6/6![Delta logo]()
$288
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:45 am
SEA
- CHS
1 stop9h 05m
Southwest
Sat 7/187:15 pm
CHS
- SEA
1 stop7h 55m
Southwest
Deal found 6/8![Southwest logo]()
$340
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:53 am
SEA
- CHS
1 stop9h 31m
Delta
Thu 8/206:45 pm
CHS
- SEA
1 stop8h 12m
Delta
Deal found 6/6![Delta logo]()
$313
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/253:30 pm
SEA
- CHS
2 stops15h 33m
United Airlines
Sat 8/296:30 am
CHS
- SEA
2 stops11h 59m
United Airlines
Deal found 6/6![United Airlines logo]()
$357
This Southwest deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:30 pm
SEA
- CHS
1 stop9h 20m
Southwest
Sun 8/302:05 pm
CHS
- SEA
2 stops10h 40m
Southwest
Deal found 6/4![Southwest logo]()
$357
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:04 pm
SEA
- CHS
1 stop7h 59m
United Airlines
Sun 8/307:00 am
CHS
- SEA
1 stop10h 52m
United Airlines
Deal found 6/7![United Airlines logo]()
$408
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:30 pm
SEA
- CHS
2 stops14h 45m
Southwest
Tue 7/214:15 pm
CHS
- SEA
2 stops10h 20m
Southwest
Deal found 6/8![Southwest logo]()
$394
This Southwest deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:00 am
SEA
- CHS
1 stop13h 25m
Southwest
Mon 7/64:45 pm
CHS
- SEA
2 stops9h 25m
Southwest
Deal found 6/4![Southwest logo]()
$433
Last-minute flights from Seattle to CharlestonDiscover last-minute flight deals from Seattle to Charleston. Data last updated June 9, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Charleston. Data last updated June 9, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/211:05 pm
SEA
- CHS
1 stop9h 20m
Southwest
Sat 7/411:00 am
CHS
- SEA
1 stop8h 40m
Southwest
Deal found 6/6![Southwest logo]()
$302
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:35 am
SEA
- CHS
1 stop9h 14m
Delta
Sun 7/125:00 pm
CHS
- SEA
1 stop9h 59m
Delta
Deal found 6/5![Delta logo]()
$293
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/99:45 pm
SEA
- CHS
1 stop9h 28m
Delta
Sun 7/126:28 pm
CHS
- SEA
1 stop8h 31m
Delta
Deal found 6/7![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/109:45 pm
SEA
- CHS
1 stop8h 49m
Delta
Sun 7/125:00 pm
CHS
- SEA
1 stop9h 59m
Delta
Deal found 6/5![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1411:20 pm
SEA
- CHS
1 stop7h 51m
United Airlines
Tue 7/213:34 pm
CHS
- SEA
1 stop11h 10m
United Airlines
Deal found 6/4![United Airlines logo]()
$284
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/149:25 pm
SEA
- CHS
1 stop9h 45m
Southwest
Sat 7/187:15 pm
CHS
- SEA
1 stop7h 55m
Southwest
Deal found 6/7![Southwest logo]()
$292
This American Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:26 am
SEA
- CHS
1 stop8h 35m
American Airlines
Mon 7/207:53 pm
CHS
- SEA
1 stop8h 04m
American Airlines
Deal found 6/5![American Airlines logo]()
$278
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/229:25 pm
SEA
- CHS
1 stop9h 30m
Southwest
Tue 7/284:50 pm
CHS
- SEA
1 stop9h 45m
Southwest
Deal found 6/8![Southwest logo]()
$295
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/229:25 pm
SEA
- CHS
1 stop9h 30m
Southwest
Mon 8/106:30 pm
CHS
- SEA
1 stop8h 00m
Southwest
Deal found 6/8![Southwest logo]()
$304
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 June 9, 2026.
Search for one-way flight options from Seattle to Charleston. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
This American Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:26 am
SEA
- CHS
1 stop8h 35m
American Airlines
Deal found 6/4![American Airlines logo]()
$119
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1010:40 pm
SEA
- CHS
1 stop10h 09m
Delta
Deal found 6/7![Delta logo]()
$124
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/159:25 pm
SEA
- CHS
1 stop9h 30m
Southwest
Deal found 6/5![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:25 am
SEA
- CHS
2 stops10h 20m
Southwest
Deal found 6/6![Southwest logo]()
$147
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1110:52 am
SEA
- CHS
1 stop7h 59m
United Airlines
Deal found 6/4![United Airlines logo]()
$149
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1211:20 pm
SEA
- CHS
1 stop7h 56m
United Airlines
Deal found 6/5![United Airlines logo]()
$154
This American Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/31:10 pm
SEA
- CHS
1 stop7h 49m
American Airlines
Deal found 6/4![American Airlines logo]()
$164
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2411:20 pm
SEA
- CHS
1 stop7h 51m
United Airlines
Deal found 6/4![United Airlines logo]()
$165
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:05 pm
SEA
- CHS
2 stops10h 30m
Southwest
Deal found 6/7![Southwest logo]()
$169
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/169:25 pm
SEA
- CHS
1 stop9h 30m
Southwest
Deal found 6/5![Southwest logo]()
$173
Find flight deals from Seattle to Charleston
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Charleston (CHS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $232 (United Airlines) |
One-way from | $119 (American Airlines) |
Popular in | June |
Cheapest in | February |
Average price | $510 |
Good round-trip deal | $442 or less |
Good one-way deal | $243 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Charleston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 9, 2026.
Use the filters below to find and compare flights from Seattle to Charleston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleCharleston
SEA - CHS
SEACHS
Seattle/Tacoma Intl
Fri 8/28
5:30 am-5:58 pm
1 stop9h 28m
Charleston
Sun 8/30
6:00 am-2:50 pm
1 stop11h 50m
$247
Quickest round-trip
SeattleCharleston
SEA - CHS
SEACHS
Seattle/Tacoma Intl
Tue 8/25
10:35 pm-8:58 am
1 stop7h 23m
Charleston
Sat 8/29
1:13 pm-7:05 pm
1 stop8h 52m
$288
SeattleCharleston
SEA - CHS
SEACHS
Seattle/Tacoma Intl
Tue 8/18
9:53 am-10:24 pm
1 stop9h 31m
Charleston
Thu 8/20
6:45 pm-11:57 pm
1 stop8h 12m
$313
SeattleCharleston
SEA - CHS
SEACHS
Seattle/Tacoma Intl
Wed 6/24
5:15 am-7:35 pm
1 stop11h 20m
Charleston
Sat 7/4
11:00 am-4:40 pm
1 stop8h 40m
$332
SeattleCharleston
SEA - CHS
SEACHS
Seattle/Tacoma Intl
Sat 7/11
6:45 am-6:50 pm
1 stop9h 05m
Charleston
Sat 7/18
7:15 pm-12:10 am
1 stop7h 55m
$340
SeattleCharleston
SEA - CHS
SEACHS
Seattle/Tacoma Intl
Tue 7/14
5:04 pm-10:23 am
2 stops14h 19m
Charleston
Tue 7/21
3:34 pm-11:44 pm
1 stop11h 10m
$352
SeattleCharleston
SEA - CHS
SEACHS
Seattle/Tacoma Intl
Tue 8/25
3:30 pm-10:03 am
2 stops15h 33m
Charleston
Sat 8/29
6:30 am-3:29 pm
2 stops11h 59m
$357
SeattleCharleston
SEA - CHS
SEACHS
Seattle/Tacoma Intl
Thu 8/27
10:30 pm-10:50 am
1 stop9h 20m
Charleston
Sun 8/30
2:05 pm-9:45 pm
2 stops10h 40m
$357
SeattleCharleston
SEA - CHS
SEACHS
Seattle/Tacoma Intl
Wed 7/15
7:30 pm-1:15 pm
2 stops14h 45m
Charleston
Tue 7/21
4:15 pm-11:35 pm
2 stops10h 20m
$394
SeattleCharleston
SEA - CHS
SEACHS
Seattle/Tacoma Intl
Thu 8/27
11:04 pm-10:03 am
1 stop7h 59m
Charleston
Sun 8/30
7:00 am-2:52 pm
1 stop10h 52m
$408
Showing 1-10 of 20 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 June.
| 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 | |
| Price Accuracy1 star | Trust Score*3 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 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 $536). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SEA to CHS?
Find hourly flight availability from Seattle to Charleston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 9, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Charleston as you normally would.
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 June 9, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andHawaiian Airlines from Seattle to Charleston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Comfort
7.8
Crew
8.5
Food
7.1
Overall
7.9
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Comfort
7.8
Crew
8.5
Food
7.1
Overall
7.9
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Comfort
7.8
Crew
8.5
Food
7.1
Overall
7.9
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Comfort
7.8
Crew
8.5
Food
7.1
Overall
7.9
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Comfort
7.8
Crew
8.5
Food
7.1
Overall
7.9
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Comfort
7.8
Crew
8.5
Food
7.1
Overall
7.9
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
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
Isle of Palms
Mount Pleasant
Goose Creek
Edisto Beach
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Other flights to Charleston
Explore flights to Charleston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 9, 2026.
Complete your trip
Complete your trip to Charleston by adding a car rental and/or hotel reservation to your travel itinerary.
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Seattle and Charleston flights
Browse other Seattle and Charleston flight options. Last updated on June 9, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on June 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Seattle to Charleston
Discover the top 6 airlines that operate flights from Seattle to Charleston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$347 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$173 | Average$442 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$178 | Average$335 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$189 | Average$477 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$198 | Average$352 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$228 | Average$416 | FlexibilityNo cancel fee | On-time75% |