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

STL Airport Page →
787 mi airlines 14/wk
On-time Some delays Frequent delays
Flight Schedule 6 flights Verified 8m ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
✓
→
WN2599
WN Southwest
737
8:30 AM
CDT T2
10:50 AM
CDT
2h 20m
—
M T W T F S S
Prices
✓
→
WN2045
WN Southwest
73H
9:00 AM
CDT T2
11:20 AM
CDT
2h 20m
—
M T W T F S S
Prices
✓
→
WN4517
WN Southwest
B38M
9:45 PM
CDT T2
12:05 AM+1
CDT
2h 20m
—
M T W T F S S
Prices
✓
←
WN849
WN Southwest
7M8
7:20 AM
CDT TA
9:30 AM
CDT
2h 10m
—
M T W T F S S
Prices
✓
←
WN1436
WN Southwest
7S7
7:25 AM
CDT TA
9:35 AM
CDT
2h 10m
—
M T W T F S S
Prices
✓
←
WN4175
WN Southwest
73H
3:50 PM
CDT TA
6:00 PM
CDT
2h 10m
—
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
St Louis to San Antonio
1 carrier, 14 flights/week nonstop.
1 Airlines 14 Flights/wk 787 mi 2h 20m nonstop 95 1-stop hubs

STL–SAT is served by 1 airline with nonstop service. Southwest Airlines leads the route. The flight covers 787 miles in approximately 2h 20m. Beyond nonstop, 95 hubs offer 1-stop connections.

Also explore STL Routes SAT Routes STL Live Flights SAT Live Flights STL Delays SAT Delays
Carriers on this route

Airline Landscape

All carriers operating nonstop STL–SAT service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
WN Southwest Airlines 14 737, 73H, B38M 2h20 100% – –
Aircraft on this route
737 Boeing 737-700 – WN
73H Boeing 737-800 (Winglets) – WN
B38M Boeing 737 MAX 8 – WN
Alliance coverage
Unaffiliated: WN (14 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Schedule

Weekly Schedule Pattern

Nonstop flight frequency by day of week, STL to SAT direction.
Mon
2
flights
Tue
2
flights
Wed
2
flights
Thu
2
flights
Fri
2
flights
Sat
1
flight
Sun
3
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
3
Nonstop flights
14
Outbound / wk
13
Return / wk
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for STL to SAT.
1-STOP
One-Stop Connections
95
Hubs
~3h
Fastest
~29h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,731
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.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
0h
San Antonio is 0 hours the same as St Louis.
STL: CDT · SAT: CDT

When it's 6:00 PM in St Louis, it's 6:00 PM in San Antonio.
Distance & Flight Time
787 mi / 1,266 km
Nonstop flight time is approximately 2h 20m.
Facts

STL–SAT Quick Facts

Key statistics for the St Louis to San Antonio route.
Route details
Distance787 mi / 1,266 km
Flight time2h 20m
Time difference0 hours
Airlines (nonstop)1
Weekly flights14 out / 13 return
1-stop connections95 hubs
Origin: STL
Full nameSt. Louis Lambert International Airport
IATA / ICAOSTL / KSTL
TimezoneAmerica/Chicago
Passengers/yr15.6M
Elevation618 ft / 188 m
Destination: SAT
Full nameSan Antonio International Airport
IATA / ICAOSAT / KSAT
TimezoneAmerica/Chicago
Passengers/yr10.9M
Elevation809 ft / 247 m
FAQ

Frequently Asked Questions

Common questions about STL to SAT flights.
Nonstop flights from St. Louis Lambert International Airport to San Antonio International Airport take approximately 2h 20m. The route covers 787 miles.
1 airline operates nonstop service: Southwest Airlines.
There are approximately 14 nonstop flights per week from STL to SAT. The return direction has about 13 weekly flights.
Yes, 1-stop connections are available through AFW, PWA, OMA, DPA, IND, LBB, PWK, FTY, ECP, DAY, TUL, SDF, APA, SUS, SAV, CMI, FTW, TUS, UGN, CXO, MKE, BHM, RAP, MKC, OKC, APF, RST, SRQ, DSM, MSN, LUK, ISM, CLE, BJC, SCF, CVG, ASE, MLB, AGS, TEB, CHO, ACY, NAS, ELP, CHS, PVR, SJD, BCT, RDU, PBI, TTN, SNA, BED, FCA, SUA, PDX, SJC, SMF, FLL, MRY, IAH, DFW, DCA, CLT, PHX, DEN, MSY, DAL, HOU, ATL, MIA, LAX, ORD, MDW, PHL, SEA, SLC, BWI, MSP, DTW, LAS, MCI, BNA, SFO, JFK, LTN, MCO, TPA, EWR, IAD, BOS, SAN, CUN, YYZ and JWN. These options provide additional schedule flexibility.
Yes, return flights from SAT to STL are available. Use the direction toggle at the top to view the return schedule.
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 STL to SAT

St. Louis Lambert International Airport (STL) and San Antonio International Airport (SAT) are connected by nonstop service from Southwest Airlines. With 14 weekly departures, this is a well served route.

STL to SAT Flight Duration and Schedule

Nonstop flight time from STL to SAT ranges from 2 hours 20 minutes. The route covers a distance of 787 miles (1,266 km). There are approximately 14 weekly flights outbound and 13 return, totaling 27 flights per week in both directions.

Connecting Options and Alternatives

95 one-stop connections are available, with the fastest taking approximately 3 hours via AFW. Two-stop connections are also available via intermediate hubs.