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

CHS Airport Page →
2,411 mi airlines charter/private 7/wk
On-time Some delays Frequent delays
Flight Schedule 2 flights Verified 10m 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+2
AS Alaska
73H
6:01 PM
EDT
8:59 PM
PDT
5h 58m
—
M T W T F S S
Prices
✓
←
AS787+2
AS Alaska
7M9
8:39 AM
PDT
4:58 PM
EDT
5h 19m
29%
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
BNA Nashville 7h 23m WN → ASAYDL Nashville (BNA) to Seattle flights
ATL Atlanta 7h 26m AFAMDL → AFAMAS Atlanta (ATL) to Seattle flights
MDW Chicago 7h 35m EJAWN → LXJWN Chicago (MDW) to Seattle flights
DEN Denver 7h 40m UAWN → 8CASAY Denver (DEN) to Seattle flights
CLT Charlotte 7h 52m AABAXSR → AACX Charlotte (CLT) to Seattle flights
MSP Minneapolis 8h DLSYWS → AFAMAS Minneapolis (MSP) to Seattle flights
PIT Pittsburgh 8h 3m MX → ASAY Pittsburgh (PIT) to Seattle flights
ORD Chicago 8h 5m AAACAS → AAAFAS Chicago (ORD) to Seattle flights
DFW Dallas-Fort Worth 8h 6m AAASAY → AAASAY Dallas-Fort Worth (DFW) to Seattle flights
BWI Baltimore 8h 10m LNXWN → ASAYWN Baltimore (BWI) to Seattle flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Charleston to Seattle
1 carrier, 7 flights/week nonstop.
1 Airlines 2,411 mi 5h 58m nonstop -3h behind

CHS–SEA is served by 1 airline with nonstop service. Alaska Airlines leads the route. The flight covers 2,411 miles in approximately 5h 58m. Beyond nonstop, 1-stop connecting options are also available.

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

Airline Landscape

All carriers operating nonstop CHS–SEA service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AS Alaska Airlines Also: HA 7 73H 5h58 100% Oneworld HA
Aircraft on this route
73H Boeing 737-800 (Winglets) – 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, CHS to SEA 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 CHS to SEA.
1-STOP
One-Stop Connections
41
Hubs
~7h
Fastest
~29h
Longest
BNA ~7h 23m ATL ~7h 26m MDW ~7h 35m DEN ~7h 40m CLT ~7h 52m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,283
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
CHS → SEA
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
100%
Return
SEA → CHS
50%
Frequent delays expected. Consider flexible booking.
Departing
50%
Arriving
100%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. CHS delays → SEA delays →
Alternatives

Other ways to reach Seattle from Charleston

Nearby airports with service to Seattle–Tacoma International Airport.
Metric CHS→SEA SAV→SEA CLT→SEA
Distance from CHS – 86 mi 168 mi
Nonstop airlines 1 1 3
Weekly flights 7 1 40
Flight time 5h 58m 5h 16m 5h 44m
Departure OTP 100% – –
Savannah (SAV) to Seattle flights · Charlotte (CLT) to Seattle flights
Airports within 200 miles of CHS with service to Seattle–Tacoma International Airport.
Know before you go

Travel Essentials

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

When it's 6:00 PM in Charleston, it's 3:00 PM in Seattle.
Distance & Flight Time
2,411 mi / 3,879 km
Nonstop flight time is approximately 5h 58m gate to gate.
Getting from SEA

Link Light Rail from the airport station (inside the terminal) to downtown Seattle takes 38 minutes ($3.50). No transfers needed; trains run 5am to 1am daily.Taxis and ride-shares to downtown cost $35–55. For Bellevue and Eastside destinations (across Lake Washington), ride-share is faster than Link. Car rentals are in the consolidated rental facility; take the free shuttle from baggage claim. Sound Transit buses serve Tacoma, Renton, and Federal Way.

Seattle Climate

Marine west coast climate. Winters are mild but persistently grey and rainy (3–9°C). Snow is rare at sea level but can occur December through February, causing significant disruptions when it does. The airport sits between Seattle and Tacoma in an area that receives more fog and low cloud than downtown Seattle.

Summers are famously pleasant (18–25°C) with low humidity and mostly clear skies, one of the best flying climates in the US from June through September. The wettest months are November through January.

Check current weather forecasts before travel.
Facts

CHS–SEA Quick Facts

Key statistics for the Charleston to Seattle route.
Route details
Distance2,411 mi / 3,879 km
Flight time5h 58m
Time difference-3 hours
Airlines (nonstop)1
Weekly flights7 out / 7 return
1-stop connectionsAvailable
Origin: CHS
Full nameCharleston International Airport
IATA / ICAOCHS / KCHS
TimezoneAmerica/New_York
Passengers/yr6.2M
Elevation46 ft / 14 m
Destination: SEA
Full nameSeattle–Tacoma International Airport
IATA / ICAOSEA / KSEA
TimezoneAmerica/Los_Angeles
Passengers/yr50.8M
Elevation433 ft / 132 m
FAQ

Frequently Asked Questions

Common questions about CHS to SEA flights.
Nonstop flights from Charleston International Airport to Seattle–Tacoma International Airport take about 5h 58m gate to gate. The route covers 2,411 miles.
1 airline operates flights from CHS to SEA: 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 Nashville, Hartsfield Jackson Atlanta and Chicago Midway.
Seattle is 3 hours behind Charleston.
Yes, return flights from SEA to CHS are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include SAV and CLT. 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 CHS to SEA

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

CHS to SEA Flight Duration and Schedule

Nonstop flight time from CHS to SEA is about 5 hours 58 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 Nashville, Hartsfield Jackson Atlanta and Chicago Midway. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Savannah (SAV) and Charlotte (CLT).