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Cheap flights from Seattle to Charleston from C$ 169

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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CHS
6 Aug — 13 Aug1
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
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 7 July 2026.

Fri 25/911:13 p.m.
SEA
-
CHS
1 stop8h 27m
United Airlines
Tue 29/93:03 p.m.
CHS
-
SEA
1 stop9h 52m
United Airlines
Deal found 4/7C$ 330
Thu 27/86:00 a.m.
SEA
-
CHS
1 stop9h 52m
Delta
Sun 30/85:10 a.m.
CHS
-
SEA
1 stop7h 39m
Delta
Deal found 6/7C$ 337
Mon 23/116:05 a.m.
SEA
-
CHS
1 stop7h 31m
Delta
Tue 24/112:30 p.m.
CHS
-
SEA
1 stop10h 42m
Delta
Deal found 3/7C$ 355
Wed 23/96:00 a.m.
SEA
-
CHS
1 stop7h 28m
Delta
Tue 6/103:20 p.m.
CHS
-
SEA
1 stop8h 30m
Delta
Deal found 2/7C$ 377
Wed 19/88:40 a.m.
SEA
-
CHS
1 stop9h 55m
United Airlines
Wed 26/84:30 p.m.
CHS
-
SEA
1 stop7h 45m
United Airlines
Deal found 4/7C$ 381
Wed 2/98:40 a.m.
SEA
-
CHS
2 stops10h 31m
United Airlines
Sat 19/92:54 p.m.
CHS
-
SEA
1 stop8h 24m
United Airlines
Deal found 3/7C$ 387
Wed 8/711:20 p.m.
SEA
-
CHS
1 stop7h 47m
United Airlines
Thu 9/74:16 p.m.
CHS
-
SEA
1 stop9h 54m
United Airlines
Deal found 1/7C$ 388
Thu 1/1011:13 p.m.
SEA
-
CHS
1 stop8h 27m
United Airlines
Sat 10/108:00 a.m.
CHS
-
SEA
1 stop11h 06m
United Airlines
Deal found 4/7C$ 394
Sat 21/1111:05 p.m.
SEA
-
CHS
1 stop10h 16m
Delta
Wed 25/112:30 p.m.
CHS
-
SEA
1 stop10h 42m
Delta
Deal found 3/7C$ 395
Thu 20/810:30 p.m.
SEA
-
CHS
1 stop9h 20m
Southwest
Mon 24/86:30 p.m.
CHS
-
SEA
1 stop8h 25m
Southwest
Deal found 2/7C$ 397

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 7 July 2026.

Round-trip from

C$ 330

One-way from

C$ 169

Popular in

November

Cheapest in

February

Average price

C$ 613
United Airlines
  • United Airlines
  • 25/9-29/9
  • 2 total stops
  • 18h 19m total
  • Seattle to Charleston
Search Deals
Delta
  • Delta
  • 31/8
  • 1 total stop
  • 9h 28m total
  • Seattle to Charleston
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 107 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 July 2026
Search 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 629,999 searches. Data last updated 7 July 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

Price

Cheapest round-trip

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Fri 25/9

11:13 p.m.-10:40 a.m.

1 stop8h 27m

Charleston

Tue 29/9

3:03 p.m.-9:55 p.m.

1 stop9h 52m

C$ 330

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Fri 11/12

6:05 a.m.-4:36 p.m.

1 stop7h 31m

Charleston

Wed 16/12

5:30 p.m.-11:59 p.m.

1 stop9h 29m

C$ 355

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Tue 6/10

12:10 a.m.-1:15 p.m.

2 stops10h 05m

Charleston

Wed 14/10

7:15 a.m.-12:45 p.m.

1 stop8h 30m

C$ 455

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Mon 24/8

11:00 p.m.-12:50 p.m.

1 stop10h 50m

Charleston

Sun 30/8

2:05 p.m.-9:45 p.m.

2 stops10h 40m

C$ 475

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Wed 22/7

7:30 p.m.-1:15 p.m.

2 stops14h 45m

Charleston

Mon 27/7

5:40 p.m.-11:10 p.m.

1 stop8h 30m

C$ 483

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Wed 7/10

9:33 a.m.-5:58 p.m.

Nonstop5h 25m

Charleston

Wed 14/10

6:59 p.m.-9:57 p.m.

Nonstop5h 58m

C$ 493
Quickest round-trip

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Wed 16/9

9:39 a.m.-6:06 p.m.

Nonstop5h 27m

Charleston

Mon 21/9

7:09 p.m.-10:00 p.m.

Nonstop5h 51m

C$ 493

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Fri 11/12

5:30 a.m.-7:15 p.m.

2 stops10h 45m

Charleston

Wed 16/12

1:35 p.m.-11:30 p.m.

2 stops12h 55m

C$ 554

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Wed 21/10

8:30 a.m.-11:59 p.m.

2 stops12h 29m

Charleston

Tue 27/10

9:54 a.m.-8:49 p.m.

2 stops13h 55m

C$ 586

SeattleCharleston

SEA - CHS

SEACHS

Seattle/Tacoma Intl

Wed 30/9

8:30 a.m.-11:59 p.m.

2 stops12h 29m

Charleston

Sat 10/10

8:00 a.m.-8:37 p.m.

2 stops15h 37m

C$ 586

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/7

Showing 1-10 of 21 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
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?

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$ 408). Flying from Seattle to Charleston in November is currently the most expensive (average of C$ 762). 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 7 July 2026.

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?

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.

  • 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 7h 31m. United Airlines provides one of the quickest options available for as low as C$ 355. 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$ 408). Flying from Seattle to Charleston in November is currently the most expensive (average of C$ 762). 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

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Alternative routes for Seattle to Charleston

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Charlotte flights

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How does Cheapflights help users find flights from Seattle to Charleston?

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Why should you use Cheapflights to find cheap flight tickets from Seattle to Charleston?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Charleston from Seattle.

Can Cheapflights find flights from Seattle to Charleston with no change fees?

Need flexible booking options for your flight to Charleston from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Seattle to Charleston become cheaper?

Of course! You can now track prices for flights from Seattle to Charleston and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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