Direct (non-stop) flights from Austin (AUS) to SeaTac (SEA)
Find comprehensive flight information, schedules, and booking details for direct flights from Austin (AUS) to SeaTac (SEA). This popular route is operated by 2 airlines, offering multiple daily departures.• Flight Duration: 4h 20m - 4h 50m (average flight time)• Distance: 1779 miles (2862 km) (air miles between airports)• Daily Flights: 5-6 flights (scheduled departures per day)
Austin (AUS)
SeaTac (SEA)
FLIGHT TIME
4h 20m - 4h 50m
FLIGHT DISTANCE
1779 miles (2862 km)
4h 39m - 4h 50m
06:05
19:35
1779 miles (2862 km)
January
2 (Show)
41
Flight Schedule
December 2025
Airlines with direct flights from Austin (AUS) to SeaTac (SEA)
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 4h 20m - 4h 50m.
Pricing patterns: January typically offers lower prices due to reduced demand outside peak travel seasons.
Airline service: This route is primarily served by Delta Air Lines and Alaska Airlines, reflecting hub connections and route network strategies.
Best departure times: Peak departure times are 6:00, 7:00, 12:00, offering more flight options and potentially better connections.
Austin (AUS) - SeaTac (SEA) flight price statistics
$360
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$216
Jan$498
Feb$331
Mar$338
Apr$340
May$698
Jun$448
Jul$298
Aug$258
Sep$298
Oct$298
Nov$298
DecRelated Information
Airports: AUS • SEA Airport
Airlines operating this route: Delta Air Lines (DL), Alaska Airlines
Frequently Asked Questions
How many flights operate from AUS to SEA?
There are 6 direct flights operating from AUS to SEA. Approximately 5-6 flights daily.
Which airlines operate flights from AUS to SEA?
2 airlines operate on this route: Delta Air Lines, Alaska Airlines.
How long is the flight from AUS to SEA?
The flight duration from AUS to SEA is approximately 4h 20m - 4h 50m.
What is the distance from AUS to SEA?
The distance from AUS to SEA is 1779 miles (2862 km).
What is the flight time range for this route?
Flight times on this route range from 4h 39m - 4h 50m.
What are the earliest and latest flight departure times?
The earliest flight departs at 06:05 and the latest flight departs at 19:35.
What is the cheapest month to fly from AUS to SEA?
January is typically the cheapest month to fly on this route.
How many flights operate per week on this route?
Approximately 41 flights operate per week from AUS to SEA.
What types of aircraft operate on this route?
This route is served by Airbus A220-100, Boeing 737-800 (winglets) Passenger/BBJ2, Airbus A320, Boeing 737MAX 9 Passenger, Airbus A220-300.
What is the average flight price from AUS to SEA?
The average flight price for a round-trip ticket from AUS to SEA is approximately $360 USD. Prices can vary based on booking time, season, and airline.
When is the best time to book flights from AUS to SEA for the lowest prices?
January is typically the cheapest month to fly from AUS to SEA. Booking in advance and avoiding peak travel seasons can help you find better deals.
How many airlines offer flights from AUS to SEA?
2 airlines offer direct flights from AUS to SEA, providing travelers with multiple options for scheduling and pricing.
How far is SEA from AUS?
The distance from AUS to SEA is 1779 miles (2862 km). This is a long-haul flight route.
How long does it take to fly from AUS to SEA?
The flight time from AUS to SEA is approximately 4h 20m - 4h 50m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.