Alaska Airlines flights from Arlington (DCA) to SeaTac (SEA)
Find comprehensive Alaska Airlines flight information, schedules, and booking details for direct flights from Arlington (DCA), US to SeaTac (SEA), US. Alaska Airlines operates 2-3 flights daily flights on this route.• Flight Duration: 5h 39m - 6h 13m (average flight time)• Distance: 2335 miles (3757 km) (air miles between airports)• Daily Flights: 2-3 flights (scheduled departures per day)
Arlington (DCA)
US
SeaTac (SEA)
US
FLIGHT TIME
5h 39m - 6h 13m
FLIGHT DISTANCE
2335 miles (3757 km)
6h 5m - 6h 5m
08:00
17:00
2335 miles (3757 km)
March
1 (Show)
21
Terminal 1 (SEA)
Alaska Airlines Flight Schedule from Arlington (DCA) to SeaTac (SEA)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
AS1 |  Alaska Airlines | 08:00 | 11:05:00 | Boeing 737-800 (winglets) Passenger/BBJ2 |
AS3 | Alaska Airlines | 17:00 | 20:05:00 | Boeing 737MAX 8 Passenger |
Alaska Airlines Monthly Flight Calendar
Loading calendar...
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 5h 39m - 6h 13m.
Pricing patterns: March typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 8:00, 17:00, offering more flight options and potentially better connections.
Loading price statistics...
Alaska Airlines Policy Highlights
Baggage Policy
Checked baggage allowance varies depending on fare type and route. Additional charges may apply for excess baggage.
For detailed baggage policies, visit Alaska Airlines airline page or Alaska Airlines official website.
Check-in Information
Online check-in available 24 hours before departure.
Alaska Airlines Terminal Information
Arrival Terminal at SeaTac (SEA):
• Alaska Airlines flights to SeaTac (SEA) arrive at Terminal Terminal 1
• Terminal Terminal 1: Alaska Airlines operates from this terminal
Frequently Asked Questions about Alaska Airlines Flights
How many Alaska Airlines flights operate from Washington (DCA) to Seattle (SEA)?
Alaska Airlines operates 2 flights from Washington (DCA) to Seattle (SEA).
What city does Seattle (SEA) airport serve?
Seattle (SEA) airport serves SeaTac, US.
How long is the Alaska Airlines flight from Washington (DCA) to Seattle (SEA)?
The flight duration is approximately 5h 39m - 6h 13m.
What is the distance from Washington (DCA) to Seattle (SEA)?
The distance is 2335 miles (3757 km).
What aircraft does Alaska Airlines use on this route?
Alaska Airlines uses Boeing 737-800 (winglets) Passenger/BBJ2, Boeing 737MAX 8 Passenger on this route.
Which other airlines operate on this route?
1 other airline operates on this route: Delta Air Lines.
What are the earliest and latest Alaska Airlines flight departure times?
The earliest Alaska Airlines flight departs at 08:00 and the latest departs at 17:00.
Which terminal does Alaska Airlines use at Seattle (SEA)?
Alaska Airlines flights to Seattle (SEA) arrive at Terminal Terminal 1.
What is the cheapest month to fly Alaska Airlines from Washington (DCA) to Seattle (SEA)?
March is typically the cheapest month to fly Alaska Airlines on this route.
What is the average price for a Alaska Airlines flight from Washington (DCA) to Seattle (SEA)?
The average price for a round-trip Alaska Airlines flight on this route is approximately $608. Prices can vary based on booking time and demand.
How many Alaska Airlines flights operate per week on this route?
Alaska Airlines operates approximately 21 flights per week from Washington (DCA) to Seattle (SEA).