Seattle (SEA) to Austin (AUS) flights
3 airlines fly nonstop from Seattle (SEA) to Austin (AUS): Alaska Airlines, Delta Air Lines and Southwest Airlines. The two airports are 1,768 miles (2,846 km) apart. Alaska Airlines is in oneworld and Delta Air Lines is in SkyTeam. There are also 54 ways to fly it with one stop, through Salt Lake City, Hayden and Denver and more.
Airlines flying nonstop from SEA to AUS
- Alaska Airlinesoneworld · bookable with 9 programsWho books it
- Delta Air LinesSkyTeam · bookable with 8 programsWho books it
- Southwest AirlinesNot in an allianceWho books it
Book SEA to AUS with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Aeromexico RewardsBooks Delta Air Lines
- Air France-KLM Flying BlueBooks Delta Air Lines
- Alaska Atmos RewardsBooks Alaska Airlines
- American AAdvantageBooks Alaska Airlines
- British Airways ClubBooks Alaska Airlines
- Cathay Pacific Asia MilesBooks Alaska Airlines
- China Eastern Eastern MilesBooks Delta Air Lines
- Delta SkyMilesBooks Delta Air Lines
- Finnair PlusBooks Alaska Airlines
- Garuda Indonesia GarudaMilesBooks Delta Air Lines
- Iberia ClubBooks Alaska Airlines
- JAL Mileage BankBooks Alaska Airlines
- Korean Air SKYPASSBooks Delta Air Lines
- Qantas Frequent FlyerBooks Alaska Airlines
- Qatar Airways Privilege ClubBooks Alaska Airlines
- SAS EuroBonusBooks Delta Air Lines
- Virgin Atlantic Flying ClubBooks Delta Air Lines
SEA to AUS with one stop
54 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Salt Lake City (SLC)Delta Air Lines the whole way
- Via Hayden (HDN)Alaska Airlines, then Southwest Airlines
- Via Denver (DEN)Delta Air Lines, Frontier Airlines and 2 more the whole way+3
+1 - Via Albuquerque (ABQ)Delta Air Lines the whole way
- Via Bozeman (BZN)Delta Air Lines the whole way
- Via Portland (PDX)Alaska Airlines the whole way
- Via Dallas (DFW)American Airlines the whole way
- Via Dallas (DAL)Southwest Airlines the whole way
- Via Oklahoma City (OKC)Alaska Airlines, then Southwest Airlines
- Via El Paso (ELP)Alaska Airlines, then Southwest Airlines
- Via Las Vegas (LAS)Delta Air Lines, Southwest Airlines and 1 more the whole way+2+1
- Via Reno (RNO)Alaska Airlines, then Southwest Airlines
- Via Phoenix (PHX)American Airlines, Delta Air Lines and 1 more the whole way+1+1
- Via Tulsa (TUL)Alaska Airlines, then Southwest Airlines
- Via Vancouver (YVR)Air Canada the whole way
SEA to AUS: common questions
Which airlines fly nonstop from SEA to AUS?
Alaska Airlines (oneworld), Delta Air Lines (SkyTeam) and Southwest Airlines fly nonstop from Seattle (SEA) to Austin (AUS).
How far is Seattle from Austin by plane?
Seattle (SEA) and Austin (AUS) are 1,768 miles (2,846 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book SEA to AUS award flights?
17 programs can book at least one of the nonstop airlines: Aeromexico Rewards, Air France-KLM Flying Blue, Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, China Eastern Eastern Miles, Delta SkyMiles and 9 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does SEA to AUS cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SEA to AUS with taxes and fees.
Where can I connect between Seattle and Austin?
The most direct connections are through Salt Lake City (SLC), Hayden (HDN), Denver (DEN), Albuquerque (ABQ) and Bozeman (BZN). On 36 of them the same airline flies both flights, for example Delta Air Lines through Salt Lake City.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.