Flights operate between Seattle (SEA) and North Charleston (CHS).
1 airline operates this route with 0-1 flights daily flights.
Average flight time is 5h 04m - 5h 21m.
Average Duration
5h 04m - 5h 21m
Airlines Operating This Route
Alaska Airlines
Flight Frequency
Daily Flights
0-1 flights
Typical Departure Time Ranges
Earliest Departure
09:11
Latest Departure
09:11
Route Intelligence Dashboard
Overall Connectivity Score
25
ModerateRoute Diversity
1
Direct Routes
Alaska Airlines serves 1 destination from SEA
Weekly Frequency
0
Weekly Flights
Trend: Stable
Top 1 Most Frequent Routes - Details
| Route | Weekly Flights | Duration | Distance | Reliability |
|---|---|---|---|---|
| SEA → North Charleston (CHS) (CHS) | 0/week | 5h 04m - 5h 21m | N/A | Seasonal |
Flight Schedule & Filters
Alaska Airlines flights from SeaTac (SEA) to North Charleston (CHS)
Alaska Airlines operates scheduled nonstop flights between SeaTac (SEA) and North Charleston (CHS). Alaska Airlines operates 0-1 flights daily flights on this route.• Flight Duration: 5h 04m - 5h 21m (average flight time)• Daily Flights: 0-1 flights (scheduled departures per day)
SeaTac (SEA)
US
North Charleston (CHS)
US
FLIGHT TIME
5h 04m - 5h 21m
5h 8m - 5h 8m
09:11
09:11
1 (Show)
Alaska Airlines Terminal Information & Contact
Departure Terminal - SeaTac (SEA)
Terminal: 1
Phone: 1-800-252-7522
Location: 1, Seattle, US
Arrival Terminal - North Charleston (CHS)
Terminal: 1
Phone: 1-800-252-7522
Location: 1, Charleston, US
Alaska Airlines Flight Schedule from SeaTac (SEA) to North Charleston (CHS)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
AS402 |  Alaska Airlines | 09:11 | 17:19:00 | Boeing 737-900 (winglets) Passenger/BBJ3 |
Alaska Airlines Monthly Flight Calendar
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Alaska Airlines Terminal Information
Departure Terminal at SeaTac (SEA):
• Terminal : Alaska Airlines operates from this terminal
Terminal 1:
• Alaska Airlines Terminal Phone: 1-800-252-7522
Arrival Terminal at North Charleston (CHS):
• Terminal : Alaska Airlines operates from this terminal
Terminal 1:
• Alaska Airlines Terminal Phone: 1-800-252-7522
Weather & Climate at North Charleston (CHS)
19.3°C
Avg Temperature116mm
Avg Rainfall11.5km/h
Avg Wind Speed74%
Avg HumidityBest Months to Visit
Challenging Months
12-Month Weather Overview
Wind Speed by Month
Humidity by Month
Best Time to Book Flights to North Charleston (CHS)
Best Booking Window
Book 2-3 months in advance for best prices
Booking Tip
Avoid booking during extreme weather months for better deals
Peak Travel Months
Expect higher prices and more crowds during these months. Book early to secure better rates.
Recommended Months
These months offer the best balance of weather, prices, and availability.
Monthly Booking Recommendations
Flight Price Trends for North Charleston (CHS)
Cheapest Months to Fly
Book flights during these months for the best deals and lowest prices.
Most Expensive Months
Prices are typically highest during these months. Consider booking well in advance or choosing alternative dates.
Price Trend Analysis
Prices are typically lower during shoulder seasons
Monthly Price Trends
Best Months to Fly Alaska Airlines to North Charleston (CHS)
Best Months
Optimal conditions for travel with favorable weather, prices, and availability.
Shoulder Season
Transition periods with moderate conditions. Good balance of price and experience.
Challenging Months
These months may have less favorable conditions. Plan accordingly and book early.
Seasonal Insight
Best travel months: 2025-10
Seasonal Travel Calendar
Alaska Airlines Contact Information and Customer Services
Alaska Airlines Address
P.O. Box 68900
Seattle, WA 98168, USA
Customer Service Phone
+1 800 654 5669Official Website
alaskaair.com/Frequently Asked Questions
How many Alaska Airlines flights operate from Seattle (SEA) to Charleston (CHS)?
Alaska Airlines operates 1 flight from Seattle (SEA) to Charleston (CHS).
What city does Charleston (CHS) airport serve?
Charleston (CHS) airport serves North Charleston, US.
How long is the Alaska Airlines flight from Seattle (SEA) to Charleston (CHS)?
The flight duration is approximately 5h 04m - 5h 21m.
What aircraft does Alaska Airlines use on this route?
Alaska Airlines uses Boeing 737-900 (winglets) Passenger/BBJ3 on this route.
Which terminal does Alaska Airlines use at Seattle (SEA)?
Alaska Airlines flights from Seattle (SEA) depart from Terminal 1. Terminal 1 phone: 1-800-252-7522.
What is the Alaska Airlines terminal phone number at Seattle (SEA)?
The Alaska Airlines terminal phone number at Seattle (SEA) is 1-800-252-7522 (Terminal 1).
Which terminal does Alaska Airlines use at Charleston (CHS)?
Alaska Airlines flights to Charleston (CHS) arrive at Terminal 1. Terminal 1 phone: 1-800-252-7522.
View all Alaska Airlines flights to Seattle (SEA) →
Popular Alaska Airlines routes from Seattle include multiple destinations.
Route data verified regularly by Triposia Travel Research Team.