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

SEA Airport Page →
2,411 mi airlines 7/wk
On-time Some delays Frequent delays
Flight Schedule 2 flights Verified 6h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
✓
→
AS787
AS Alaska
739
9:28 AM
MDT
5:32 PM
EDT
5h 4m
—
M T W T F S S
Prices
✓
←
AS787
AS Alaska
739
6:32 PM
EDT
9:46 PM
MDT
6h 14m
—
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP
✧ 2-STOP Loading...
Seattle to Charleston
1 carrier, 7 flights/week nonstop.
1 Airlines 7 Flights/wk 2,411 mi 5h 4m nonstop +2h ahead 45 1-stop hubs

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, 45 hubs offer 1-stop connections.

Also explore SEA Routes CHS Routes SEA Live Flights CHS Live Flights SEA Delays CHS Delays
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 7 739 5h04 85% Oneworld –
Aircraft on this route
739 Boeing 737-900 – 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
45
Hubs
~6h
Fastest
~30h
Longest
BZN ~6h 30m GNV ~6h 58m AFW ~7h 2m MKC ~7h 8m RDU ~7h 14m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,002
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
85%
Generally reliable. Most flights run on time.
Departing
85%
Arriving
67%
Return
CHS → SEA
72%
Moderate delays possible. Allow buffer time.
Departing
72%
Arriving
90%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. SEA delays → CHS delays →
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
+2h
Charleston is 2 hours ahead of Seattle.
SEA: MDT · CHS: EDT

When it's 6:00 PM in Seattle, it's 8:00 PM in Charleston.
Distance & Flight Time
2,411 mi / 3,879 km
Nonstop flight time is approximately 5h 4m.
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+2 hours
Airlines (nonstop)1
Weekly flights7 out / 7 return
1-stop connections45 hubs
Origin: SEA
Full nameSeattle–Tacoma International Airport
IATA / ICAOSEA / KSEA
TimezoneAmerica/Boise
Passengers/yr52.6M
Elevation433 ft / 132 m
Destination: CHS
Full nameCharleston International Airport
IATA / ICAOCHS / KCHS
TimezoneAmerica/Kentucky/Monticello
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 approximately 5h 4m. The route covers 2,411 miles.
1 airline operates nonstop service: Alaska Airlines.
There are approximately 7 nonstop flights per week from SEA to CHS. The return direction has about 7 weekly flights.
Yes, 1-stop connections are available through BZN, GNV, AFW, MKC, RDU, CVG, IND, MEM, OAK, YYZ, ELP, TUL, SAN, CUN, SBA, ANC, LIR, MDW, PHL, CLT, ATL, IAD, BOS, TPA, STL, FLL, DFW, MSY, EWR, ORD, MIA, BNA, MCO, DTW, IAH, DEN, JFK, AUS, DCA, BWI, CMH, DAL, MSP, PIT and RSW. These options provide additional schedule flexibility.
Charleston is 2 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.
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 ranges from 5 hours 4 minutes. 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

45 one-stop connections are available, with the fastest taking approximately 6 hours via BZN. Two-stop connections are also available via intermediate hubs.