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Charleston International Airport to Seattle-Tacoma International Airport flight

Explore the cheapest one-way and round-trip flights from Charleston International Airport to Seattle-Tacoma International Airport over the next 90 days, with one-way fares from SGD 158 and round-trip from SGD 306. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        CHS 19:09
        5h 51m
        Direct
        SEA 22:00
        Charleston - Seattle | Fri, Oct 2 | Alaska Airlines
        SEA 09:39
        5h 27m
        Direct
        CHS 18:06
        Seattle - Charleston | Wed, Oct 7 | Alaska Airlines
        SGD 437 SGD 547
        20% off
        20% off
        SGD 547 SGD 437
      • CHS 19:09
        5h 51m
        Direct
        SEA 22:00
        Charleston - Seattle | Sat, Sep 26 | Alaska Airlines
        SEA 09:39
        5h 27m
        Direct
        CHS 18:06
        Seattle - Charleston | Sat, Oct 3 | Alaska Airlines
        SGD 437 SGD 547
        20% off
        20% off
        SGD 547 SGD 437
      • CHS 16:13
        9h 46m
        1 stop
        SEA 22:59
        Charleston - Seattle | Sun, Oct 4 | United Airlines
        SEA 23:13
        8h 27m
        1 stop
        CHS 10:40
        Seattle - Charleston | Wed, Oct 7 | United Airlines
        SGD 306 SGD 547
        44% off
        44% off
        SGD 547 SGD 306
      • CHS 11:37
        10h 38m
        1 stop
        SEA 19:15
        Charleston - Seattle | Fri, Oct 2 | United Airlines
        SEA 23:13
        8h 27m
        1 stop
        CHS 10:40
        Seattle - Charleston | Wed, Oct 7 | United Airlines
        SGD 306
        44% off
        SGD 547 SGD 306
      • CHS 07:18
        10h 33m
        1 stop
        SEA 14:51
        Charleston - Seattle | Sat, Sep 26 | American Airlines
        SEA 10:59
        9h
        1 stop
        CHS 22:59
        Seattle - Charleston | Sat, Oct 3 | American Airlines
        SGD 314
        43% off
        SGD 547 SGD 314
      • CHS 17:27
        9h 28m
        1 stop
        SEA 23:55
        Charleston - Seattle | Fri, Oct 2 | Delta Air Lines
        SEA 13:11
        7h 51m
        1 stop
        CHS 00:02
        Seattle - Charleston | Wed, Oct 7 | American Airlines
        SGD 334
        39% off
        SGD 547 SGD 334
      • CHS 14:06
        10h 30m
        1 stop
        SEA 21:36
        Charleston - Seattle | Thu, Oct 1 | American Airlines
        SEA 23:57
        10h 19m
        1 stop
        CHS 13:16
        Seattle - Charleston | Thu, Oct 8 | American Airlines
        SGD 354
        35% off
        SGD 547 SGD 354
      • CHS 19:10
        7h 42m
        1 stop
        SEA 23:52
        Charleston - Seattle | Mon, Oct 19 | Delta Air Lines
        SEA 23:59
        7h 11m
        1 stop
        CHS 10:10
        Seattle - Charleston | Thu, Oct 22 | Delta Air Lines
        SGD 354
        35% off
        SGD 547 SGD 354
      • CHS 17:33
        9h 26m
        1 stop
        SEA 23:59
        Charleston - Seattle | Sun, Oct 4 | Delta Air Lines
        SEA 23:59
        9h 32m
        1 stop
        CHS 12:31
        Seattle - Charleston | Wed, Oct 7 | American Airlines
        SGD 358
        35% off
        SGD 547 SGD 358
      • CHS 15:41
        10h 28m
        1 stop
        SEA 23:09
        Charleston - Seattle | Sun, Oct 4 | American Airlines
        SEA 23:59
        9h 32m
        1 stop
        CHS 12:31
        Seattle - Charleston | Wed, Oct 7 | American Airlines
        SGD 366
        33% off
        SGD 547 SGD 366
      • CHS 17:29
        9h 26m
        1 stop
        SEA 23:55
        Charleston - Seattle | Sat, Sep 26 | Delta Air Lines
        SEA 10:59
        9h
        1 stop
        CHS 22:59
        Seattle - Charleston | Sat, Oct 3 | American Airlines
        SGD 371
        32% off
        SGD 547 SGD 371
      • CHS 06:20
        8h 5m
        1 stop
        SEA 11:25
        Charleston - Seattle | Fri, Oct 2 | American Airlines
        SEA 13:11
        7h 51m
        1 stop
        CHS 00:02
        Seattle - Charleston | Wed, Oct 7 | American Airlines
        SGD 398
        27% off
        SGD 547 SGD 398
      • CHS 07:18
        10h 33m
        1 stop
        SEA 14:51
        Charleston - Seattle | Wed, Oct 14 | American Airlines
        SEA 07:30
        7h 58m
        1 stop
        CHS 18:28
        Seattle - Charleston | Tue, Oct 20 | American Airlines
        SGD 423
        23% off
        SGD 547 SGD 423
      • CHS 15:03
        9h 52m
        Direct
        SEA 21:55
        Charleston - Seattle | Mon, Oct 19 | United Airlines
        SEA 23:59
        7h 11m
        1 stop
        CHS 10:10
        Seattle - Charleston | Thu, Oct 22 | Delta Air Lines
        SGD 425
        22% off
        SGD 547 SGD 425
      • CHS 13:00
        17h 25m
        1 stop
        SEA 14:00
        Charleston - Seattle | Thu, Sep 24 | Normal Airline
        SEA 15:00
        6h
        Direct
        CHS 16:00
        Seattle - Charleston | Sat, Sep 26 | Normal Airline
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      • Cheapest nonstop
        CHS 15:03
        9h 52m
        Direct
        SEA 21:55
        Charleston - Seattle | Wed, Oct 14 | United Airlines
        SGD 223 SGD 328
        32% off
        32% off
        SGD 328 SGD 223
      • CHS 19:09
        5h 51m
        Direct
        SEA 22:00
        Charleston - Seattle | Tue, Oct 6 | Alaska Airlines
        SGD 262 SGD 328
        20% off
        20% off
        SGD 328 SGD 262
      • CHS 05:02
        7h 56m
        1 stop
        SEA 09:58
        Charleston - Seattle | Sun, Oct 18 | American Airlines
        SGD 158 SGD 328
        52% off
        52% off
        SGD 328 SGD 158
      • CHS 16:34
        9h 36m
        1 stop
        SEA 23:10
        Charleston - Seattle | Mon, Oct 19 | American Airlines
        SGD 158
        52% off
        SGD 328 SGD 158
      • CHS 16:20
        10h 32m
        1 stop
        SEA 23:52
        Charleston - Seattle | Fri, Oct 16 | Delta Air Lines
        SGD 161
        51% off
        SGD 328 SGD 161
      • CHS 07:18
        10h 33m
        1 stop
        SEA 14:51
        Charleston - Seattle | Thu, Oct 8 | American Airlines
        SGD 164
        50% off
        SGD 328 SGD 164
      • CHS 07:16
        11h 27m
        1 stop
        SEA 15:43
        Charleston - Seattle | Fri, Oct 16 | American Airlines
        SGD 164
        50% off
        SGD 328 SGD 164
      • CHS 18:52
        8h 6m
        1 stop
        SEA 23:58
        Charleston - Seattle | Thu, Oct 8 | Delta Air Lines
        SGD 165
        50% off
        SGD 328 SGD 165
      • CHS 17:35
        9h 23m
        1 stop
        SEA 23:58
        Charleston - Seattle | Mon, Sep 28 | Delta Air Lines
        SGD 189
        42% off
        SGD 328 SGD 189
      • CHS 17:29
        9h 26m
        1 stop
        SEA 23:55
        Charleston - Seattle | Sun, Sep 27 | Delta Air Lines
        SGD 192
        41% off
        SGD 328 SGD 192
      • CHS 07:10
        10h 39m
        1 stop
        SEA 14:49
        Charleston - Seattle | Sat, Sep 26 | Delta Air Lines
        SGD 192
        41% off
        SGD 328 SGD 192
      • CHS 14:15
        10h 50m
        1 stop
        SEA 22:05
        Charleston - Seattle | Tue, Sep 29 | Delta Air Lines
        SGD 195
        41% off
        SGD 328 SGD 195
      • CHS 06:44
        11h 7m
        1 stop
        SEA 14:51
        Charleston - Seattle | Sat, Sep 26 | American Airlines
        SGD 196
        40% off
        SGD 328 SGD 196
      • CHS 13:00
        17h 25m
        1 stop
        SEA 14:00
        Charleston - Seattle | Thu, Sep 24 | Normal Airline
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Flight fares from Charleston International Airport to Seattle-Tacoma International Airport are based on average airline prices for the next 3 months, according to Trip.com’s latest data.

Which airline offers the cheapest flights from Charleston International Airport to Seattle-Tacoma International Airport?

The cheapest airline flying from Charleston International Airport to Seattle-Tacoma International Airport is American Airlines (from SGD 158) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

American Airlines
From SGD 158
Delta Air Lines
From SGD 161
United Airlines
From SGD 215
Jetblue Airways
From SGD 227
Alaska Airlines
From SGD 262
Hahn Air
From SGD 269

Find more flights and airlines

What is the flight schedule from Charleston International Airport to Seattle-Tacoma International Airport?

Check the schedule for flights from Charleston to Seattle and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AS787

    Charleston International Airport

    19:09

    CHS

    5h 51m

    22:00

    SEA

    S M T W T F S
    Search

  2. DL3179

    Charleston International Airport

    19:59

    CHS

    1h 22m

    Direct

    21:21

    ATL

    S - - W T - S
    Search

  3. DL903

    Hartsfield–Jackson Atlanta International Airport

    21:35

    ATL

    5h 34m

    Direct

    00:09

    SEA

    S M T W T F S

  4. AA2166

    Charleston International Airport

    16:46

    CHS

    3h 4m

    Direct

    18:50

    DFW

    S M T W T F S
    Search

  5. AA2009

    Dallas Fort Worth International Airport

    19:31

    DFW

    4h 21m

    Direct

    21:52

    SEA

    S M T W T F S

  6. UA1019

    Charleston International Airport

    15:00

    CHS

    1h 32m

    Direct

    16:32

    IAD

    - - - W T F -
    Search

  7. UA1128

    Dulles International Airport

    17:35

    IAD

    5h 35m

    Direct

    20:10

    SEA

    S - T W T F S

  8. DL789

    Charleston International Airport

    08:40

    CHS

    1h 22m

    Direct

    10:02

    ATL

    S M T W T F S
    Search

  9. DL629

    Hartsfield–Jackson Atlanta International Airport

    12:15

    ATL

    5h 35m

    Direct

    14:50

    SEA

    S M T W T F S

  10. UA6329

    Charleston International Airport

    17:05

    CHS

    2h 46m

    Direct

    18:51

    IAH

    - - T W T F -
    Search

  11. UA2341

    George Bush Intercontinental Airport

    19:55

    IAH

    4h 43m

    Direct

    22:38

    SEA

    S M T W T F S

  12. UA2680

    Charleston International Airport

    16:57

    CHS

    2h 32m

    Direct

    18:29

    ORD

    - - - W T F -
    Search

  13. UA2211

    O'Hare International Airport

    19:55

    ORD

    4h 34m

    Direct

    22:29

    SEA

    S M T W T F S

  14. UA2693

    Charleston International Airport

    15:15

    CHS

    1h 56m

    Direct

    17:11

    EWR

    S M T W T F S
    Search

  15. UA2693

    Newark Liberty International Airport

    18:44

    EWR

    6h 11m

    Direct

    21:55

    SEA

    - - - W T F -

  16. DL2179

    Charleston International Airport

    14:25

    CHS

    1h 17m

    Direct

    15:42

    ATL

    S M T W T F S
    Search

  17. DL714

    Hartsfield–Jackson Atlanta International Airport

    18:10

    ATL

    5h 36m

    Direct

    20:46

    SEA

    S M T W T F S

  18. DL2124

    Charleston International Airport

    08:35

    CHS

    1h 17m

    Direct

    09:52

    ATL

    S M T W T F S
    Search

  19. DL629

    Hartsfield–Jackson Atlanta International Airport

    12:15

    ATL

    5h 35m

    Direct

    14:50

    SEA

    S M T W T F S
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About Charleston International Airport and Seattle-Tacoma International Airport

Learn about Charleston International Airport (CHS) and Seattle-Tacoma International Airport (SEA) — including location, terminals, transportation, and travel tips.

Flight distance3,883.98km
Cheapest one-way ticket priceSGD 158
Cheapest return ticket priceSGD 306

FAQs for Charleston International Airport to Seattle-Tacoma International Airport Flights

  • How many daily flights are there from Charleston International Airport (CHS) to Seattle-Tacoma International Airport (SEA)?

    There are around 1 daily flights from Charleston International Airport (CHS) to Seattle-Tacoma International Airport (SEA).
  • The earliest flight from Charleston International Airport to Seattle-Tacoma International Airport departs at 08:10, and the last departs at 19:09, with about 2 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Charleston International Airport (CHS) to Seattle-Tacoma International Airport (SEA) is quite popular. Without considering departure times or holidays, tickets cost around SGD 415 in October, the most expensive month to book this route.
    • The distance from Seattle-Tacoma International Airport to downtown is about 17km, by taxi about 30 minutes.
  • Hawaiian Airlines is a very popular airline operating an average of 13 flights per month.
  • One-way flights from Charleston International Airport to Seattle-Tacoma International Airport currently start from SGD 158, and round-trip fares start from SGD 306. The current lowest fare is a American Airlines flight departing on Sun, Oct 18; prices may vary depending on availability.
  • Yes. Alaska Airlines operate direct flights from Charleston International Airport to Seattle-Tacoma International Airport, with an average flight time of 5 hours 53 minutes, and around 9 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Charleston International Airport to Seattle-Tacoma International Airport is SGD 300. Prices may vary depending on the departure date, airline, and availability.
  • Charleston International Airport to Seattle-Tacoma International Airport operates around 7 weekly flights, mainly by Alaska Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Charleston International Airport and Seattle-Tacoma International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Find Cheap Flights with Trip.com

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

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Prices displayed on 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, Wi-Fi, 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 the 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.