Seattle to Austin (SEA–AUS) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
SEA–AUS is served by 9 airlines with nonstop service. Alaska Airlines, Delta Air Lines and Southwest Airlines lead the route. The flight covers 1,770 miles in approximately 4h 18m. Beyond nonstop, 1-stop connecting options are also available.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| AS Alaska Airlines Also: AY, DE, JL, JX, KE, QR | 21 | 739, 73J | 4h08-4h27 | Oneworld | AY, DE, JL, JX, KE, QR | |
| DL Delta Air Lines Also: KE, SK | 21 | 223, 738 | 4h03-4h11 | SkyTeam | KE, SK | |
| WN Southwest Airlines | 14 | 7M8, B38M | 4h05-4h10 | – | – | |
| AM Aeromexico | 7 | 223 | 4h11 | SkyTeam | – | |
| SY Sun Country Airlines | 1 | – | – | – | – | |
| UA United Airlines | 1 | – | – | Star Alliance | – | |
| AA American Airlines | 0 | – | – | Oneworld | – | |
| HA Hawaiian Airlines | 0 | – | – | – | – | |
| WS WestJet | 0 | – | – | – | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach Austin from Seattle
| Metric | SEA→AUS | BFI→AUS |
|---|---|---|
| Distance from SEA | – | 5 mi |
| Nonstop airlines | 9 | 6 |
| Weekly flights | 132 | 1 |
| Flight time | 4h 18m | 3h 43m |
| Departure OTP | 59% | – |
Travel Essentials
SEA: PDT · AUS: CDT
When it's 6:00 PM in Seattle, it's 8:00 PM in Austin.
Link Light Rail runs from downtown Seattle (Westlake station) to the airport in 38 minutes ($3.50 peak). Trains run every 6–12 minutes during peak hours from 5am to 1am. Ride-shares run $30–50 from downtown; SR-99 and I-5 can be heavily congested southbound during afternoon rush (3–7pm).
Sound Transit 574 express bus serves Tacoma ($2.50–4). Sounder commuter rail connects Tacoma to the airport area via a shuttle.
CapMetro Route 20 to downtown Congress Ave costs $1.25 and takes 30–35 minutes. Buses depart from outside the terminal on the lower level. Last bus around midnight; late arrivals need a ride-share.Uber and Lyft pickup is on the lower level (follow signs to TNCs). Fares run $20–30 to downtown, 15–20 minutes off-peak. Taxis at the curb: $30–40. Rental car desks are in the main terminal; the QTA (Quick Turnaround Area) is a short shuttle ride. Afternoon and evening arrivals may face longer drive times due to city congestion.
Humid subtropical climate with hot summers. July and August average 36–38°C with heat indices that can reach 43°C. Winter (December–February) is generally mild at 7–17°C. Austin is vulnerable to rare but severe ice storms. Winter Storm Uri (2021) is the benchmark for worst-case disruption, and they can paralyze the city and airport.
Severe thunderstorms peak April through May with hail and tornado risk. Spring storm systems can cause significant ground delays. October and November are the most reliably stable months.
SEA–AUS Quick Facts
Frequently Asked Questions
Flights from SEA to AUS
Seattle–Tacoma International Airport (SEA) and Austin Bergstrom International Airport (AUS) are connected by nonstop service from Alaska Airlines, Delta Air Lines, Southwest Airlines, Aeromexico, Sun Country Airlines, United Airlines, American Airlines, Hawaiian Airlines and WestJet. With 132 weekly departures, this is a heavily served route.
SEA to AUS Flight Duration and Schedule
Nonstop flight time from SEA to AUS is about 4 hours 18 minutes gate to gate. The route covers a distance of 1,770 miles (2,848 km). There are approximately 132 weekly flights outbound and 163 return, totaling 295 flights per week in both directions.
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Dallas Love Field, Denver and Salt Lake City. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Seattle (BFI).