San Antonio to St Louis (SAT–STL) — Airlines, Schedules & Connections

SAT Airport Page →
787 mi airlines 19/wk
On-time Some delays Frequent delays
Flight Schedule 9 flights Verified 6h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
WN849
WN Southwest
73H
7:20 AM
MDT TA
9:30 AM
EDT
2h 10m
M T W T F S S
Prices
WN1436
WN Southwest
7S7
7:25 AM
MDT TA
9:35 AM
EDT
2h 10m
M T W T F S S
Prices
WN4175
WN Southwest
73H
3:50 PM
MDT TA
6:00 PM
EDT
2h 10m
M T W T F S S
Prices
WN4406
WN Southwest
7S7
3:55 PM
MDT TA
6:00 PM
EDT
2h 5m
M T W T F S S
Prices
WN4140
WN Southwest
7S7
8:25 AM
EDT T2
10:50 AM
MDT
2h 25m
M T W T F S S
Prices
WN2599
WN Southwest
7S7
8:25 AM
EDT T2
10:45 AM
MDT
2h 20m
M T W T F S S
Prices
WN1972
WN Southwest
7M8
8:50 PM
EDT T2
11:10 PM
MDT
2h 20m
M T W T F S S
Prices
WN4517
WN Southwest
7M8
8:55 PM
EDT T2
11:15 PM
MDT
2h 20m
M T W T F S S
Prices
WN442
WN Southwest
B38M
11:23 PM
EDT T2
1:36 AM+1
MDT
4h 13m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
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San Antonio to St Louis
1 carrier, 19 flights/week nonstop.
1 Airlines 19 Flights/wk 787 mi 2h 5m nonstop +2h ahead 55 1-stop hubs

SAT–STL is served by 1 airline with nonstop service. Southwest Airlines leads the route. The flight covers 787 miles in approximately 2h 5m. Beyond nonstop, 55 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop SAT–STL service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
WN Southwest Airlines 19 73H, 7S7 2h05-2h10 62%
Aircraft on this route
73H Boeing 737-800 – WN
7S7 Boeing 737 MAX 7 – WN
Alliance coverage
Unaffiliated: WN (19 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, SAT to STL direction.
Mon
3
flights
Tue
3
flights
Wed
3
flights
Thu
3
flights
Fri
3
flights
Sat
1
flight
Sun
3
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
4
Nonstop flights
19
Outbound / wk
26
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SAT to STL.
1-STOP
One-Stop Connections
55
Hubs
~3h
Fastest
~27h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,769
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
SAT → STL
62%
Moderate delays possible. Allow buffer time.
Departing
62%
Arriving
54%
Return
STL → SAT
34%
Frequent delays expected. Consider flexible booking.
Departing
34%
Arriving
77%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. SAT delays → STL delays →

Other ways to reach St Louis from San Antonio

Nearby airports with service to St. Louis Lambert International Airport.
Metric SAT→STL AUS→STL LRD→STL
Distance from SAT 67 mi 150 mi
Nonstop airlines 1 2 1
Weekly flights 19 41
Flight time 2h 5m 2h 0h 27m
Departure OTP 62%
Airports within 200 miles of SAT with service to St. Louis Lambert International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
+2h
St Louis is 2 hours ahead of San Antonio.
SAT: MDT · STL: EDT

When it's 6:00 PM in San Antonio, it's 8:00 PM in St Louis.
Distance & Flight Time
787 mi / 1,266 km
Nonstop flight time is approximately 2h 5m to 2h 10m.

SAT–STL Quick Facts

Key statistics for the San Antonio to St Louis route.
Route details
Distance787 mi / 1,266 km
Flight time2h 5m to 2h 10m
Time difference+2 hours
Airlines (nonstop)1
Weekly flights19 out / 26 return
1-stop connections55 hubs
Origin: SAT
IATA / ICAOSAT / KSAT
TimezoneAmerica/Denver
Passengers/yr10.9M
Elevation809 ft / 247 m
Destination: STL
IATA / ICAOSTL / KSTL
TimezoneAmerica/Indiana/Vincennes
Passengers/yr15.6M
Elevation618 ft / 188 m

Frequently Asked Questions

Common questions about SAT to STL flights.
Nonstop flights from San Antonio International Airport to St. Louis Lambert International Airport take approximately 2h 5m to 2h 10m. The route covers 787 miles.
1 airline operates nonstop service: Southwest Airlines.
There are approximately 19 nonstop flights per week from SAT to STL. The return direction has about 26 weekly flights.
Yes, 1-stop connections are available through SAF, EGE, ASE, SCF, OKC, AUS, JAC, LWC, APF, RIL, PIE, YYZ, BZN, PBI, BCT, HPN, SAV, BUR, PHL, SJC, PVR, CUN, SFO, DCA, IAH, MEM, DFW, BNA, DAL, HOU, EWR, DEN, MSY, SLC, ORD, MCO, PHX, MSP, SEA, LAX, ATL, MDW, BWI, MIA, CLT, LAS, FLL, DTW, MCI, IAD, TPA, SAN, BOS, TUL and ECP. These options provide additional schedule flexibility.
St Louis is 2 hours ahead of San Antonio.
Yes, return flights from STL to SAT are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include AUS and LRD. 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 SAT to STL

San Antonio International Airport (SAT) and St. Louis Lambert International Airport (STL) are connected by nonstop service from Southwest Airlines. With 19 weekly departures, this is a well served route.

SAT to STL Flight Duration and Schedule

Nonstop flight time from SAT to STL ranges from 2 hours 5 minutes to 2 hours 10 minutes. The route covers a distance of 787 miles (1,266 km). There are approximately 19 weekly flights outbound and 26 return, totaling 45 flights per week in both directions.

Connecting Options and Alternatives

55 one-stop connections are available, with the fastest taking approximately 3 hours via SAF. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Austin (AUS) and Laredo (LRD).