Flights from Charleston to Seattle Tacoma

Our cheapest offers for flights from Charleston to Seattle Tacoma

Here you can compare cheap flights from Charleston (CHS) to Seattle Tacoma (SEA) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Seattle Tacoma. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Charleston
Seattle-Tacoma
Outbound
02/13/26
1 Stopover (ORD)
AA4281, AA3137
09h 37min
Return
02/26/26
1 Stopover (PHL)
AA2361, AA2504
07h 27min
American Airlines ?
$263
Best option
Charleston
Seattle-Tacoma
Outbound
02/13/26
direct
AS0787
05h 57min
Return
02/26/26
direct
AS0787
05h 16min
Alaska Airlines ?
$274
Charleston
Seattle-Tacoma
Please note: transfer for connecting flight
Outbound
11/09/25
3 Stopovers (FLL, ORD, MSP)
NK1974, NK0001, SY0260, SY0285
26h 35min
Return
12/07/25
2 Stopovers (MSP, EWR)
SY0286, SY0233, NK1973
19h 15min
Spirit Airlines, Sun Country Airlines
$453
Charleston
Seattle-Tacoma
Outbound
02/13/26
direct
AS0787
05h 57min
Return
02/26/26
direct
AS0787
05h 16min
Alaska Airlines
$297
Charleston
Seattle-Tacoma
Outbound
11/09/25
1 Stopover (ATL)
DL3055, DL0444
07h 50min
Return
12/07/25
1 Stopover (DTW)
DL0810, DL0498
08h 36min
Delta Air Lines ?
$313
Charleston
Seattle-Tacoma
Outbound
11/09/25
1 Stopover (DEN)
UA0557, UA1729
08h 02min
Return
12/07/25
1 Stopover (ORD)
UA2618, UA5468
09h 30min
United Airlines ?
$314
Charleston
Seattle-Tacoma
Outbound
11/09/25
direct
AS0402
06h 00min
Return
12/07/25
direct
AS0402
05h 17min
Alaska Airlines ?
$316
Charleston
Seattle-Tacoma
Outbound
11/09/25
1 Stopover (ORD)
UA2333, UA1620
08h 15min
Return
12/07/25
1 Stopover (ORD)
UA2618, UA5468
09h 30min
United Airlines
$343
Charleston
Seattle-Tacoma
Outbound
02/13/26
1 Stopover (ORD)
AA4281, AA3137
09h 37min
Return
02/26/26
1 Stopover (MIA)
AA2142, AA0803
08h 10min
American Airlines ?
$362
Charleston
Seattle-Tacoma
Outbound
02/13/26
1 Stopover (ORD)
AA4281, AA3137
09h 37min
Return
02/26/26
1 Stopover (MIA)
AA2142, AA0803
08h 10min
American Airlines ?
$408
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Charleston to Seattle Tacoma

Favorite airline: Alaska Airlines
The majority of passengers on the route Charleston – Seattle-Tacoma prefer to fly with Alaska Airlines.
Alaska Airlines
47 %
United Airlines
29 %
Delta
6 %
Stopover flights are the cheapest connection
Compared to direct flights, flights with a stopover on this route are on average 20 % cheaper.
non stop flight
1 stop
2 stops
05h 56min
10h 20min
16h 27min
$ 319
$ 265
$ 443
The favorite connection is non-stop
Flights from Charleston to Seattle-Tacoma are most often booked as a direct flight.
Route
bookings
Direct flights
05h 56min, from $ 319
67 %
1 stopover New York - John F. Kennedy International Airport, NY
10h 20min, from $ 265
22 %
1 stopover Houston - George Bush Intercontinental Airport, TX
09h 01min, from $ 387
11 %

Important flight information

Flight information: Charleston - Seattle-Tacoma

Roundtrip from $ 262,07
Flight duration min. 06:15 / max. 10:15
Return flight duration min. 05:05
Distance 3884 km
Flights per week 7
Departure airport Airport Charleston-SC (CHS)
Arrival airport Airport Seattle-Tacoma International Airport, WA (SEA)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Seattle-Tacoma
Flight destinations with a similar price
Flight destinations with a similar price