Direct (nonstop) flights from Seattle to Charleston
1 airline flys nonstop from Seattle Tacoma International (SEA) to Charleston Afb International (CHS). It's 2,415 miles (3,886 km), about 5h 18m in the air. Operated by Alaska Airlines.
Alaska Airlines
Route data last updated: May 30, 2026
Airlines with non-stop flights
AS
Alaska Airlines
Alternative Routes
Other ways to fly from Seattle to Charleston with one stop · direct emits 408 kg CO₂ per passenger
Looking for the return flight?
CHS → SEA: Flights from Charleston to SeattleOther direct flights from Seattle
Direct flights from Charleston (CHS)
Frequently Asked Questions
How long is the direct flight from Seattle to Charleston?
A nonstop flight from Seattle (SEA) to Charleston (CHS) takes approximately 5 hours and 18 minutes. The distance is 2,415 miles (3,886 km).
Which airlines fly nonstop from Seattle to Charleston?
Just Alaska Airlines.
Is there a nonstop flight from Seattle to Charleston?
Yes. 1 airline: Alaska Airlines.
How far is Seattle from Charleston?
The flight distance from Seattle to Charleston is 2,415 miles (3,886 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Los Angeles.
What type of aircraft flies from Seattle to Charleston?
At 5h 18m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
What is the carbon footprint of a flight from Seattle to Charleston?
Roughly 408 kg CO2 per passenger one-way. That's about the same as driving 2,040 km.
Is the return flight from Charleston to Seattle also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Seattle to Charleston?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Seattle Tacoma International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.