St Louis to Austin (SUS–AUS) — Airlines, Schedules & Connections

SUS Airport Page →
708 mi airlines 1/wk
On-time Some delays Frequent delays
Flight Schedule 0 flights Verified 5d ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
2-STOP Loading...
St Louis to Austin
Connecting service available through multiple hubs.
1 Flights/wk 708 mi 3h 49m nonstop -2h behind 37 1-stop hubs

While no nonstop service exists between SUS and AUS, connecting options are available through 37 hubs.

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SUS to AUS.
1-STOP
One-Stop Connections
37
Hubs
~4h
Fastest
~10h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
160
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
SUS → AUS
72%
Moderate delays possible. Allow buffer time.
Arriving
72%
Return
AUS → SUS
44%
Frequent delays expected. Consider flexible booking.
Departing
44%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. AUS delays →

Other ways to reach Austin from St Louis

Nearby airports with service to Austin Bergstrom International Airport.
Metric SUS→AUS STL→AUS
Distance from SUS 16 mi
Nonstop airlines 0 2
Weekly flights 1 41
Flight time 3h 49m 2h 10m
Airports within 200 miles of SUS with service to Austin Bergstrom International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
-2h
Austin is 2 hours behind St Louis.
SUS: EDT · AUS: MDT

When it's 6:00 PM in St Louis, it's 4:00 PM in Austin.
Distance & Flight Time
708 mi / 1,139 km
Nonstop flight time is approximately 3h 49m.
Getting from AUS

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.

Austin Climate

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.

SUS–AUS Quick Facts

Key statistics for the St Louis to Austin route.
Route details
Distance708 mi / 1,139 km
Flight time3h 49m
Time difference-2 hours
Airlines (nonstop)0
Weekly flights1 out / 2 return
1-stop connections37 hubs
Origin: SUS
IATA / ICAOSUS / KSUS
TimezoneAmerica/Indiana/Vincennes
Elevation463 ft / 141 m
Destination: AUS
IATA / ICAOAUS / KAUS
TimezoneAmerica/Denver
Passengers/yr21.4M
Elevation542 ft / 165 m

Frequently Asked Questions

Common questions about SUS to AUS flights.
Nonstop flights from Spirit of St Louis Airport to Austin Bergstrom International Airport take approximately 3h 49m. The route covers 708 miles.
There are approximately 1 nonstop flights per week from SUS to AUS. The return direction has about 2 weekly flights.
Yes, 1-stop connections are available through STL, OKC, IAH, MCI, DFW, MEM, BNA, IND, MSP, MDW, DAL, CMH, ORD, PIT, RSW, SRQ, MCO, SUA, OPF, MIA, TUS, PHX, LGA, SLC, IAD, LAS, BZN, BOS, PBI, PSP, SJD, FLL, SNA, JFK, VNY, SJO and SFO. These options provide additional schedule flexibility.
Austin is 2 hours behind St Louis.
Yes, return flights from AUS to SUS are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include STL. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from SUS to AUS

Spirit of St Louis Airport (SUS) and Austin Bergstrom International Airport (AUS) are connected through multiple connecting hub airports.

SUS to AUS Flight Duration and Schedule

Nonstop flight time from SUS to AUS ranges from 3 hours 49 minutes. The route covers a distance of 708 miles (1,139 km). There are approximately 1 weekly flights outbound and 2 return, totaling 3 flights per week in both directions.

Connecting Options and Alternatives

37 one-stop connections are available, with the fastest taking approximately 4 hours via STL. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include St Louis (STL).