Trip.com
>
Flights
>
Flights to United States
>
Flights to South Carolina
>
Flights to Charleston
Hotels in Charleston
>
Flights from Seattle to Charleston

Book direct flights from Seattle to Charleston: One way flights from $201, round trip flights from $438. Find flight deals for the next 3 months below.

      • Cheapest nonstop
        SEA 8:39 AM
        5h 19m
        Nonstop
        CHS 4:58 PM
        Seattle - Charleston | Mon, Aug 17 | Alaska Airlines
        CHS 6:01 PM
        5h 58m
        Nonstop
        SEA 8:59 PM
        Charleston - Seattle | Thu, Aug 20 | Alaska Airlines
        $438 $659
        34% off
        34% off
        $659 $438
      • SEA 8:39 AM
        5h 19m
        Nonstop
        CHS 4:58 PM
        Seattle - Charleston | Sun, Jul 19 | Alaska Airlines
        CHS 6:01 PM
        5h 58m
        Nonstop
        SEA 8:59 PM
        Charleston - Seattle | Fri, Jul 24 | Alaska Airlines
        $619 $659
        6% off
        6% off
        $659 $619
      • SEA 7:26 AM
        8h 35m
        1 stop
        CHS 7:01 PM
        Seattle - Charleston | Tue, Aug 4 | American Airlines
        CHS 3:14 PM
        9h 46m
        1 stop
        SEA 10:00 PM
        Charleston - Seattle | Tue, Aug 11 | Delta Air Lines
        $320 $659
        51% off
        51% off
        $659 $320
      • SEA 10:15 AM
        9h 35m
        1 stop
        CHS 10:50 PM
        Seattle - Charleston | Fri, Aug 7 | American Airlines
        CHS 12:47 PM
        10h 33m
        1 stop
        SEA 8:20 PM
        Charleston - Seattle | Mon, Aug 10 | Delta Air Lines
        $343
        48% off
        $659 $343
      • SEA 5:00 AM
        9h 25m
        1 stop
        CHS 5:25 PM
        Seattle - Charleston | Mon, Aug 10 | Hahn Air
        CHS 5:10 AM
        7h 39m
        1 stop
        SEA 9:49 AM
        Charleston - Seattle | Thu, Aug 13 | Delta Air Lines
        $361
        45% off
        $659 $361
      • SEA 12:40 AM
        9h
        1 stop
        CHS 12:40 PM
        Seattle - Charleston | Mon, Aug 10 | American Airlines
        CHS 5:10 AM
        7h 39m
        1 stop
        SEA 9:49 AM
        Charleston - Seattle | Thu, Aug 13 | Delta Air Lines
        $366
        44% off
        $659 $366
      • SEA 10:40 PM
        10h 27m
        1 stop
        CHS 12:07 PM
        Seattle - Charleston | Mon, Aug 10 | Delta Air Lines
        CHS 5:10 AM
        7h 39m
        1 stop
        SEA 9:49 AM
        Charleston - Seattle | Thu, Aug 13 | Delta Air Lines
        $374
        43% off
        $659 $374
      • SEA 11:40 AM
        8h 15m
        1 stop
        CHS 10:55 PM
        Seattle - Charleston | Fri, Jul 24 | American Airlines
        CHS 7:53 PM
        8h 4m
        1 stop
        SEA 12:57 AM
        Charleston - Seattle | Mon, Jul 27 | American Airlines
        $379
        42% off
        $659 $379
      • SEA 11:20 PM
        7h 43m
        1 stop
        CHS 10:03 AM
        Seattle - Charleston | Mon, Aug 10 | United Airlines
        CHS 5:10 AM
        7h 39m
        1 stop
        SEA 9:49 AM
        Charleston - Seattle | Thu, Aug 13 | Delta Air Lines
        $387
        41% off
        $659 $387
      • SEA 9:45 PM
        8h 13m
        1 stop
        CHS 8:58 AM
        Seattle - Charleston | Tue, Aug 4 | Delta Air Lines
        CHS 3:14 PM
        9h 46m
        1 stop
        SEA 10:00 PM
        Charleston - Seattle | Tue, Aug 11 | Delta Air Lines
        $396
        40% off
        $659 $396
      • SEA 10:35 PM
        10h 54m
        1 stop
        CHS 12:29 PM
        Seattle - Charleston | Sun, Aug 2 | American Airlines
        CHS 6:01 PM
        5h 58m
        Nonstop
        SEA 8:59 PM
        Charleston - Seattle | Wed, Aug 5 | Alaska Airlines
        $410
        38% off
        $659 $410
      • SEA 11:56 PM
        8h 37m
        1 stop
        CHS 11:33 AM
        Seattle - Charleston | Wed, Aug 5 | American Airlines
        CHS 5:10 AM
        7h 39m
        1 stop
        SEA 9:49 AM
        Charleston - Seattle | Wed, Aug 12 | Delta Air Lines
        $411
        38% off
        $659 $411
      • SEA 1:00 PM
        17h 25m
        1 stop
        CHS 2:00 PM
        Seattle - Charleston | Sat, Jul 18 | Normal Airline
        CHS 3:00 PM
        6h
        Nonstop
        SEA 4:00 PM
        Charleston - Seattle | Mon, Jul 20 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        SEA 9:45 AM
        5h 20m
        Nonstop
        CHS 6:05 PM
        Seattle - Charleston | Thu, Aug 27 | Alaska Airlines
        $201 $225
        11% off
        11% off
        $225 $201
      • SEA 6:00 AM
        9h 56m
        1 stop
        CHS 6:56 PM
        Seattle - Charleston | Wed, Aug 19 | Delta Air Lines
        $115 $225
        49% off
        49% off
        $225 $115
      • SEA 7:16 AM
        9h 34m
        1 stop
        CHS 7:50 PM
        Seattle - Charleston | Tue, Aug 18 | Delta Air Lines
        $115 $225
        49% off
        49% off
        $225 $115
      • SEA 10:15 AM
        9h 35m
        1 stop
        CHS 10:50 PM
        Seattle - Charleston | Sat, Aug 15 | American Airlines
        $162
        28% off
        $225 $162
      • SEA 6:25 AM
        9h 23m
        1 stop
        CHS 6:48 PM
        Seattle - Charleston | Thu, Aug 27 | American Airlines
        $174
        23% off
        $225 $174
      • SEA 7:15 AM
        11h 5m
        1 stop
        CHS 9:20 PM
        Seattle - Charleston | Fri, Aug 14 | Delta Air Lines
        $175
        22% off
        $225 $175
      • SEA 6:00 AM
        9h 51m
        1 stop
        CHS 6:51 PM
        Seattle - Charleston | Sat, Aug 15 | Delta Air Lines
        $191
        15% off
        $225 $191
      • SEA 6:00 AM
        8h 19m
        1 stop
        CHS 5:19 PM
        Seattle - Charleston | Tue, Jul 21 | Delta Air Lines
        $193
        14% off
        $225 $193
      • SEA 10:15 AM
        9h 35m
        1 stop
        CHS 10:50 PM
        Seattle - Charleston | Sun, Aug 16 | American Airlines
        $211
        6% off
        $225 $211
      • SEA 12:50 PM
        8h 4m
        1 stop
        CHS 11:54 PM
        Seattle - Charleston | Sun, Aug 9 | American Airlines
        $211
        6% off
        $225 $211
      • SEA 1:00 PM
        17h 25m
        1 stop
        CHS 2:00 PM
        Seattle - Charleston | Sat, Jul 18 | Normal Airline
        Find more flights
        Find more flights

Find cheap airlines flights from Seattle to Charleston

You can choose from 3 airlines that fly from Seattle to Charleston, including United Airlines, Alaska Airlines, and Delta Air Lines. Alaska Airlines has lowest fares on this route.
United Airlines logo United Airlines
Alaska Airlines logo Alaska Airlines
Delta Air Lines logo Delta Air Lines
Airlines are determined based on actual purchased flight tickets from Seattle to Charleston according to previous 12 months data from Trip.com.

Flight Info | Seattle to Charleston

The distance between Seattle and Charleston is approximately 3,878.4 km. It takes around 5 hours 19 minutes on average to fly from Seattle to Charleston. Based on Trip.com's data travel demand peaks in July. The off-season for travel is October.

Cheapest one-way flight price$115
Cheapest round-trip ticket price$320
Off-season for travelOctober
Peak season for travelJuly
Flight distance3,878.4 km
Average flight time5 hours 19 minutes
Popular airlineUnited Airlines
Flight statistics for the Seattle–Charleston route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Seattle to Charleston (SEA-CHS)?

    Based on Trip.com data, Delta Air Lines offers one-way fares as low as $115 on Cheapest nonstop routes (e.g. SEA to CHS on Wed, Aug 19), while American Airlines offers Cheapest nonstop round-trips from $320 departing on Tue, Aug 4 and returning on Tue, Aug 11.
  • At the moment, you can catch a nonstop flight from Seattle to Charleston with the following airlines, including: Alaska Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 5 hours 19 minutes to fly from Seattle (SEA) to Charleston (CHS).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to Charleston is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 7 flight per week flying from Seattle to Charleston. You can check the weekly schedule for popular airlines on this route below: Alaska Airlines: S/M/T/W/T/F/S -- AS787 (09:05)
  • To find best deals on flights from Seattle to Charleston, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Aug 19, with one-way flights priced at just $115.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Alaska Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Charleston travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Seattle to Charleston is October, when demand for travel is lower.
  • After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Seattle to Charleston on July 21, 2026 with American Airlines, with prices starting at $319.
  • You can land at any one of the following hubs in Charleston, with Seattle-Tacoma International Airport to Charleston International Airport (SEA-CHS) is by far the most common option on this route: Charleston International Airport (CHS).
  • The time difference between Charleston and Seattle is 3h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Explore More Popular Flights

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.