Charleston (CHS) to Seattle (SEA) flights
One airline flies nonstop from Charleston (CHS) to Seattle (SEA): Alaska Airlines. The two airports are 2,411 miles (3,880 km) apart. Alaska Airlines is in oneworld. There are also 33 ways to fly it with one stop, through Saint Louis, Nashville and Atlanta and more.
Airlines flying nonstop from CHS to SEA
- Alaska Airlinesoneworld · bookable with 9 programsWho books it
Book CHS to SEA with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Alaska Atmos RewardsBooks Alaska Airlines
- American AAdvantageBooks Alaska Airlines
- British Airways ClubBooks Alaska Airlines
- Cathay Pacific Asia MilesBooks Alaska Airlines
- Finnair PlusBooks Alaska Airlines
- Iberia ClubBooks Alaska Airlines
- JAL Mileage BankBooks Alaska Airlines
- Qantas Frequent FlyerBooks Alaska Airlines
- Qatar Airways Privilege ClubBooks Alaska Airlines
CHS to SEA with one stop
33 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Saint Louis (STL)Southwest Airlines the whole way
- Via Nashville (BNA)Southwest Airlines the whole way
- Via Atlanta (ATL)Delta Air Lines the whole way
- Via Charlotte (CLT)American Airlines the whole way
- Via Cincinnati (CVG)Allegiant Air and Breeze Airways, then Delta Air Lines and Alaska Airlines
- Via Denver (DEN)Southwest Airlines and United Airlines the whole way
+3
- Via Chicago (MDW)Southwest Airlines the whole way
- Via Chicago (ORD)American Airlines and United Airlines the whole way+1
- Via Minneapolis (MSP)Delta Air Lines and Sun Country Airlines the whole way
- Via Columbus (CMH)Breeze Airways, then Alaska Airlines
- Via Detroit (DTW)Delta Air Lines the whole way
- Via Dallas (DAL)Southwest Airlines the whole way
- Via Dallas (DFW)American Airlines the whole way
- Via Pittsburgh (PIT)Breeze Airways, then Alaska Airlines and American Airlines
- Via New Orleans (MSY)Breeze Airways, then Alaska Airlines
CHS to SEA: common questions
Which airlines fly nonstop from CHS to SEA?
Alaska Airlines (oneworld) flies nonstop from Charleston (CHS) to Seattle (SEA).
How far is Charleston from Seattle by plane?
Charleston (CHS) and Seattle (SEA) are 2,411 miles (3,880 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book CHS to SEA award flights?
9 programs can book at least one of the nonstop airlines: Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, Finnair Plus, Iberia Club, JAL Mileage Bank, Qantas Frequent Flyer and 1 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does CHS to SEA cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for CHS to SEA with taxes and fees.
Where can I connect between Charleston and Seattle?
The most direct connections are through Saint Louis (STL), Nashville (BNA), Atlanta (ATL), Charlotte (CLT) and Cincinnati (CVG). On 22 of them the same airline flies both flights, for example Southwest Airlines through Saint Louis.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.