Seattle to Charleston (SEA–CHS) — Airlines, Schedules & Connections

SEA Airport Page →
2,411 mi airlines charter/private 7/wk
On-time Some delays Frequent delays
Flight Schedule 2 flights Verified 6m ago
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
✓
→
AS787+1
AS Alaska
B39M
10:11 AM
PDT
6:15 PM
EDT
5h 4m
27%
M T W T F S S
Prices
✓
←
AS787+1
AS Alaska
B39M
7:09 PM
EDT
10:00 PM
PDT
5h 51m
—
M T W T F S S
Prices

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 10 hubs
STL St Louis 6h 47m ASAYJL → WN St Louis (STL) to Charleston flights
ATL Atlanta 6h 53m AFAMAS → AFAMDL Atlanta (ATL) to Charleston flights
DEN Denver 6h 53m 8CAAAF → UAWN Denver (DEN) to Charleston flights
BNA Nashville 7h ASAYDL → EJMWN Nashville (BNA) to Charleston flights
CLT Charlotte 7h 9m AACX → AABA Charlotte (CLT) to Charleston flights
ORD Chicago 7h 24m AAASAV → AAACNZ Chicago (ORD) to Charleston flights
DFW Dallas-Fort Worth 7h 29m AAASAY → AAASBA Dallas-Fort Worth (DFW) to Charleston flights
DTW Detroit 7h 31m AFASDL → AFAMDL Detroit (DTW) to Charleston flights
MDW Chicago 7h 35m WN → WN Chicago (MDW) to Charleston flights
MSP Minneapolis 7h 39m AFASAY → DL Minneapolis (MSP) to Charleston flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Seattle to Charleston
1 carrier, 7 flights/week nonstop.
1 Airlines 2,411 mi 5h 4m nonstop +3h ahead

SEA–CHS is served by 1 airline with nonstop service. Alaska Airlines leads the route. The flight covers 2,411 miles in approximately 5h 4m. Beyond nonstop, 1-stop connecting options are also available.

Also explore Browse available seat maps SEA Routes CHS Routes SEA Live Flights CHS Live Flights SEA Delays CHS Delays
All flights from Charleston (CHS) Charleston to Seattle flights
Carriers on this route

Airline Landscape

All carriers operating nonstop SEA–CHS service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AS Alaska Airlines 7 B39M 5h04 66% Oneworld –
Aircraft on this route
B39M Boeing 737 MAX 9 – AS
Alliance coverage
Oneworld: AS (7 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Schedule

Weekly Schedule Pattern

Nonstop flight frequency by day of week, SEA to CHS direction.
Mon
1
flight
Tue
1
flight
Wed
1
flight
Thu
1
flight
Fri
1
flight
Sat
1
flight
Sun
1
flight
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
1
Nonstop flights
7
Outbound / wk
7
Return / wk
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SEA to CHS.
1-STOP
One-Stop Connections
29
Hubs
~6h
Fastest
~20h
Longest
STL ~6h 47m ATL ~6h 53m DEN ~6h 53m BNA ~7h 0m CLT ~7h 9m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,064
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
SEA → CHS
66%
Moderate delays possible. Allow buffer time.
Departing
66%
Arriving
80%
Return
CHS → SEA
82%
Generally reliable. Most flights run on time.
Departing
82%
Arriving
85%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. SEA delays → CHS delays →
Alternatives

Other ways to reach Charleston from Seattle

Nearby airports with service to Charleston International Airport.
Metric SEA→CHS BFI→CHS PAE→CHS
Distance from SEA – 5 mi 32 mi
Nonstop airlines 1 1 1
Weekly flights 7 – –
Flight time 5h 4m 5h 32m 4h 43m
Departure OTP 66% – –
Seattle (BFI) to Charleston flights · Everett (PAE) to Charleston flights
Airports within 200 miles of SEA with service to Charleston International Airport.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
+3h
Charleston is 3 hours ahead of Seattle.
SEA: PDT · CHS: EDT

When it's 6:00 PM in Seattle, it's 9:00 PM in Charleston.
Distance & Flight Time
2,411 mi / 3,879 km
Nonstop flight time is approximately 5h 4m gate to gate.
Getting to SEA

Link Light Rail runs from downtown Seattle (Westlake station) to the airport in 38 minutes ($3.50 peak). Trains run every 6–12 minutes during peak hours from 5am to 1am. Ride-shares run $30–50 from downtown; SR-99 and I-5 can be heavily congested southbound during afternoon rush (3–7pm).

Sound Transit 574 express bus serves Tacoma ($2.50–4). Sounder commuter rail connects Tacoma to the airport area via a shuttle.

Facts

SEA–CHS Quick Facts

Key statistics for the Seattle to Charleston route.
Route details
Distance2,411 mi / 3,879 km
Flight time5h 4m
Time difference+3 hours
Airlines (nonstop)1
Weekly flights7 out / 7 return
1-stop connectionsAvailable
Origin: SEA
Full nameSeattle–Tacoma International Airport
IATA / ICAOSEA / KSEA
TimezoneAmerica/Los_Angeles
Passengers/yr50.8M
Elevation433 ft / 132 m
Destination: CHS
Full nameCharleston International Airport
IATA / ICAOCHS / KCHS
TimezoneAmerica/New_York
Passengers/yr6.2M
Elevation46 ft / 14 m
FAQ

Frequently Asked Questions

Common questions about SEA to CHS flights.
Nonstop flights from Seattle–Tacoma International Airport to Charleston International Airport take about 5h 4m gate to gate. The route covers 2,411 miles.
1 airline operates flights from SEA to CHS: Alaska Airlines.
This route has daily service. Check the schedule above for departure days and times in each direction.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include St. Louis Lambert, Hartsfield Jackson Atlanta and Denver.
On a single ticket, yes. Your bags are checked through to CHS and move between planes without you. On two separate tickets you collect your bags at the connecting airport and recheck them, so build in extra layover time.
Charleston is 3 hours ahead of Seattle.
Yes, return flights from CHS to SEA are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include BFI and PAE. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from SEA to CHS

Seattle–Tacoma International Airport (SEA) and Charleston International Airport (CHS) are connected by nonstop service from Alaska Airlines. With 7 weekly departures, this is a regularly served route.

SEA to CHS Flight Duration and Schedule

Nonstop flight time from SEA to CHS is about 5 hours 4 minutes gate to gate. The route covers a distance of 2,411 miles (3,879 km). There are approximately 7 weekly flights outbound and 7 return, totaling 14 flights per week in both directions.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via St. Louis Lambert, Hartsfield Jackson Atlanta and Denver. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Seattle (BFI) and Everett (PAE).