Direct (non-stop) flights from SeaTac (SEA) to Austin (AUS)
Find comprehensive flight information, schedules, and booking details for direct flights from SeaTac (SEA) to Austin (AUS). This popular route is operated by 2 airlines, offering multiple daily departures.• Flight Duration: 3h 59m - 4h 27m (average flight time)• Distance: 1779 miles (2862 km) (air miles between airports)• Daily Flights: 5-6 flights (scheduled departures per day)
SeaTac (SEA)
Austin (AUS)
FLIGHT TIME
3h 59m - 4h 27m
FLIGHT DISTANCE
1779 miles (2862 km)
4h 3m - 4h 20m
00:37
17:45
1779 miles (2862 km)
January
2 (Show)
52
Flight Schedule
December 2025
Airlines with direct flights from SeaTac (SEA) to Austin (AUS)
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 3h 59m - 4h 27m.
Pricing patterns: January typically offers lower prices due to reduced demand outside peak travel seasons.
Airline service: This route is primarily served by Alaska Airlines and Delta Air Lines, reflecting hub connections and route network strategies.
Best departure times: Peak departure times are 0:00, 7:00, 9:00, offering more flight options and potentially better connections.
SeaTac (SEA) - Austin (AUS) flight price statistics
$352
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.
$236
Jan$498
Feb$331
Mar$320
Apr$337
May$593
Jun$378
Jul$298
Aug$278
Sep$298
Oct$338
Nov$318
DecRelated Information
Airports: SEA • AUS Airport
Airlines operating this route: Alaska Airlines (AS), Delta Air Lines
Frequently Asked Questions
How many flights operate from SEA to AUS?
There are 6 direct flights operating from SEA to AUS. Approximately 5-6 flights daily.
Which airlines operate flights from SEA to AUS?
2 airlines operate on this route: Alaska Airlines, Delta Air Lines.
How long is the flight from SEA to AUS?
The flight duration from SEA to AUS is approximately 3h 59m - 4h 27m.
What is the distance from SEA to AUS?
The distance from SEA to AUS is 1779 miles (2862 km).
What is the flight time range for this route?
Flight times on this route range from 4h 3m - 4h 20m.
What are the earliest and latest flight departure times?
The earliest flight departs at 00:37 and the latest flight departs at 17:45.
What is the cheapest month to fly from SEA to AUS?
January is typically the cheapest month to fly on this route.
How many flights operate per week on this route?
Approximately 52 flights operate per week from SEA to AUS.
What types of aircraft operate on this route?
This route is served by Boeing 737-800 (winglets) Passenger/BBJ2, Airbus A320, Boeing 737-900 (winglets) Passenger/BBJ3, Airbus A220-300, Boeing 737MAX 9 Passenger and 1 more aircraft type.
What is the average flight price from SEA to AUS?
The average flight price for a round-trip ticket from SEA to AUS is approximately $352 USD. Prices can vary based on booking time, season, and airline.
When is the best time to book flights from SEA to AUS for the lowest prices?
January is typically the cheapest month to fly from SEA to AUS. Booking in advance and avoiding peak travel seasons can help you find better deals.
How many airlines offer flights from SEA to AUS?
2 airlines offer direct flights from SEA to AUS, providing travelers with multiple options for scheduling and pricing.
How far is AUS from SEA?
The distance from SEA to AUS is 1779 miles (2862 km). This is a long-haul flight route.
How long does it take to fly from SEA to AUS?
The flight time from SEA to AUS is approximately 3h 59m - 4h 27m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.