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Cheap flights from Seattle to Charleston from C$ 172

SEA — CHS
6 Oct — 13 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Charleston

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Charleston

Tue 29/97:00 a.m. -
1 stop8h 48m
Sat 3/103:05 p.m. -
1 stop10h 35m
Deal found 2/9C$ 335
Mon 26/1010:56 p.m. -
1 stop9h 23m
Sat 31/102:28 p.m. -
1 stop10h 43m
Deal found 2/9C$ 342
Mon 12/1011:13 p.m. -
1 stop8h 14m
Fri 23/103:03 p.m. -
1 stop9h 52m
Deal found 5/9C$ 362
Mon 21/910:40 p.m. -
1 stop10h 31m
Thu 24/95:29 p.m. -
1 stop9h 26m
Deal found 2/9C$ 375
Wed 23/911:00 p.m. -
1 stop8h 27m
Tue 6/103:03 p.m. -
1 stop9h 52m
Deal found 3/9C$ 379
Thu 3/1210:55 p.m. -
1 stop9h 49m
Sun 6/125:10 a.m. -
1 stop8h 08m
Deal found 3/9C$ 380
Wed 4/115:40 a.m. -
2 stops12h 55m
Mon 9/117:10 p.m. -
1 stop8h 30m
Deal found 2/9C$ 387
Tue 15/96:40 a.m. -
2 stops8h 40m
Fri 18/96:30 p.m. -
1 stop8h 25m
Deal found 1/9C$ 390
Fri 23/1012:10 a.m. -
2 stops13h 20m
Sat 31/107:45 a.m. -
2 stops13h 45m
Deal found 1/9C$ 401
Sun 22/118:25 a.m. -
1 stop9h 20m
Tue 1/125:10 a.m. -
1 stop9h 05m
Deal found 2/9C$ 404
Tue 13/1011:13 p.m. -
1 stop8h 14m
Sat 17/107:00 a.m. -
2 stops11h 51m
Deal found 3/9C$ 407

Find flight deals from Seattle to Charleston

Round-trip from

C$ 335

One-way from

C$ 172

Popular in

November

Cheapest in

February

Average price

C$ 480
United Airlines
  • United Airlines
  • 29/9-3/10
  • 2 total stops
  • 19h 23m total
  • Seattle to Charleston
Search Deals
JetBlue
  • JetBlue
  • 18/9-31/12
  • 1 total stop
  • 11h 28m total
  • Seattle to Charleston
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 89 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
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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

Cheapest round-trip

SeattleCharleston

SEA Seattle/Tacoma Intl - CHS Charleston

SEACHS

Seattle/Tacoma Intl

Wed 16/9

7:00 a.m.-7:40 p.m.

1 stop9h 40m

Charleston

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 172
Quickest round-trip

SeattleCharleston

SEA Seattle/Tacoma Intl - CHS Charleston

SEACHS

Seattle/Tacoma Intl

Wed 28/10

7:00 a.m.-6:04 p.m.

1 stop8h 04m

Charleston

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 172

SeattleCharleston

SEA Seattle/Tacoma Intl - CHS Charleston

SEACHS

Seattle/Tacoma Intl

Wed 2/12

8:09 a.m.-11:59 p.m.

2 stops12h 50m

Charleston

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 178

SeattleCharleston

SEA Seattle/Tacoma Intl - CHS Charleston

SEACHS

Seattle/Tacoma Intl

Tue 20/10

11:13 p.m.-1:55 p.m.

2 stops11h 42m

Charleston

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 178

SeattleCharleston

SEA Seattle/Tacoma Intl - CHS Charleston

SEACHS

Seattle/Tacoma Intl

Wed 4/11

7:35 p.m.-10:06 a.m.

2 stops11h 31m

Charleston

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 237

SeattleCharleston

SEA Seattle/Tacoma Intl - CHS Charleston

SEACHS

Seattle/Tacoma Intl

Sat 12/9

6:00 a.m.-5:13 p.m.

1 stop8h 13m

Charleston

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 239

SeattleCharleston

SEA Seattle/Tacoma Intl - CHS Charleston

SEACHS

Seattle/Tacoma Intl

Tue 20/10

12:10 a.m.-1:35 p.m.

2 stops10h 25m

Charleston

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 242

SeattleCharleston

SEA Seattle/Tacoma Intl - CHS Charleston

SEACHS

Seattle/Tacoma Intl

Sat 19/9

11:00 p.m.-10:37 a.m.

1 stop8h 37m

Charleston

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 244

SeattleCharleston

SEA Seattle/Tacoma Intl - CHS Charleston

SEACHS

Seattle/Tacoma Intl

Mon 15/2

10:40 p.m.-10:27 a.m.

1 stop8h 47m

Charleston

Fri 19/2

6:43 p.m.-12:14 a.m.

1 stop8h 31m

C$ 342

SeattleCharleston

SEA Seattle/Tacoma Intl - CHS Charleston

SEACHS

Seattle/Tacoma Intl

Tue 9/2

5:07 a.m.-2:57 p.m.

1 stop6h 50m

Charleston

Wed 10/2

4:45 p.m.-10:39 p.m.

1 stop8h 54m

C$ 494

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/9

Showing 1-10 of 16 resultsSorted by cheapest first
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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

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?

Booking 37 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Charleston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 C$ 397). Flying from Seattle to Charleston in November is currently the most expensive (average of C$ 742). 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?

When flying from Seattle to Charleston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Seattle to Charleston?

Airfare is below average for this route at the moment.

Seattle to Charleston flights typically cost between C$ 369 and C$ 632 in September.
The cheapest round-trip price found within the last 5 days was C$ 335 on United Airlines (29 Sep-3 Oct).

Related info for your journey

  • How popular is this Seattle to Charleston flight route?

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

  • How long is the flight from Seattle to Charleston?

    A quick flight from Seattle to Charleston can take about 8h 40m. United Airlines provides one of the quickest options available for as low as C$ 477. Seattle and Charleston are separated by a distance of 3877 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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, February is the cheapest month in which you can book a flight from Seattle to Charleston (average of C$ 397). Flying from Seattle to Charleston in November is currently the most expensive (average of C$ 742). 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

Travelling to a place near Charleston?

Book flights to Charleston if you plan to visit one of these locations
Walterboro

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Seattle to Charleston

Seattle to Charlotte flights

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