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Saint Louis → San Antonio

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STL → SAT1 adulteconomy

24 flight options · 2 airlines

Round-trip flights

Fri, Nov 27 – Fri, Dec 4

Southwest Airlines
10:45 pmSTL
2h 15m
Nonstop
1:00 am+1SAT
Southwest Airlines
3:20 pmSAT
2h
Nonstop
5:20 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

American Airlines
11:37 amSTL
6h 29m
ORD · 1h 51m
6:06 pmSAT
American Airlines
8:00 amSAT
4h 26m
DFW · 1h 10m
12:26 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Southwest Airlines
8:20 amSTL
2h 15m
Nonstop
10:35 amSAT
Southwest Airlines
3:20 pmSAT
2h
Nonstop
5:20 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Southwest Airlines
10:45 pmSTL
2h 15m
Nonstop
1:00 am+1SAT
Southwest Airlines
3:20 pmSAT
2h
Nonstop
5:20 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Southwest Airlines
8:20 amSTL
2h 15m
Nonstop
10:35 amSAT
Southwest Airlines
3:20 pmSAT
2h
Nonstop
5:20 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Southwest Airlines
12:40 pmSTL
5h 20m
MCI · 2h 10m
6:00 pmSAT
Southwest Airlines
3:20 pmSAT
2h
Nonstop
5:20 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Southwest Airlines
7:10 pmSTL
4h 20m
DAL · 1h 25m
11:30 pmSAT
Southwest Airlines
3:20 pmSAT
2h
Nonstop
5:20 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Southwest Airlines
2:55 pmSTL
4h 35m
BNA · 1h
7:30 pmSAT
Southwest Airlines
3:20 pmSAT
2h
Nonstop
5:20 pmSTL

Round-trip total · 1 adult · Taxes included

Show 8 more flights

Fri, Nov 27 – Fri, Dec 4

Southwest Airlines
7:55 amSTL
6h 40m
MSY · 3h 15m
2:35 pmSAT
Southwest Airlines
3:20 pmSAT
2h
Nonstop
5:20 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Southwest Airlines
7:55 amSTL
6h 40m
MSY · 3h 15m
2:35 pmSAT
Southwest Airlines
3:20 pmSAT
2h
Nonstop
5:20 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Southwest Airlines
7:10 pmSTL
4h 20m
DAL · 1h 25m
11:30 pmSAT
Southwest Airlines
3:20 pmSAT
2h
Nonstop
5:20 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Southwest Airlines
12:40 pmSTL
5h 20m
MCI · 2h 10m
6:00 pmSAT
Southwest Airlines
3:20 pmSAT
2h
Nonstop
5:20 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Southwest Airlines
2:55 pmSTL
4h 35m
BNA · 1h
7:30 pmSAT
Southwest Airlines
3:20 pmSAT
2h
Nonstop
5:20 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

American Airlines
11:37 amSTL
6h 29m
ORD · 1h 51m
6:06 pmSAT
American Airlines
8:00 amSAT
4h 26m
DFW · 1h 10m
12:26 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

American Airlines
12:58 pmSTL
6h 22m
DFW · 3h 5m
7:20 pmSAT
American Airlines
8:00 amSAT
4h 26m
DFW · 1h 10m
12:26 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

American Airlines
12:58 pmSTL
6h 22m
DFW · 3h 5m
7:20 pmSAT
American Airlines
8:00 amSAT
4h 26m
DFW · 1h 10m
12:26 pmSTL

Round-trip total · 1 adult · Taxes included

One-way flights

Fri, Nov 20 · One way

Southwest Airlines
8:20 amSTL
2h 15m
Nonstop
10:35 amSAT

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

American Airlines
11:37 amSTL
6h 29m
ORD · 1h 51m
6:06 pmSAT

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Southwest Airlines
10:45 pmSTL
2h 15m
Nonstop
1:00 am+1SAT

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Southwest Airlines
2:55 pmSTL
4h 35m
BNA · 1h
7:30 pmSAT

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Southwest Airlines
7:55 amSTL
6h 40m
MSY · 3h 15m
2:35 pmSAT

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Southwest Airlines
12:40 pmSTL
5h 20m
MCI · 2h 10m
6:00 pmSAT

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Southwest Airlines
7:10 pmSTL
4h 20m
DAL · 1h 25m
11:30 pmSAT

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

American Airlines
12:58 pmSTL
6h 22m
DFW · 3h 5m
7:20 pmSAT

One-way total · 1 adult · Taxes included

Make this trip yours

STL ⇄ SAT

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, Southwest Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • 24-hour cancellationCancel within 24 hours of booking for a full refund when your departure is at least 7 days away. Closer to departure, the airline’s fare rules apply. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

More dates

Nov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-11-20 · one waySouthwest AirlinesWN4198$175.002026-10-29T01:29:00Z
2026-11-27 → 2026-12-04Southwest AirlinesWN4793 / WN3801$391.002026-10-29T01:29:00Z
2026-11-20 · one wayAmerican AirlinesAA3198 + AA4551$185.002026-10-29T01:29:00Z
2026-11-20 → 2026-11-23American AirlinesAA3198 + AA4551 / AA2070 + AA5082$402.502026-10-29T01:29:00Z
2026-11-20 · one waySouthwest AirlinesWN4793$175.002026-10-29T01:29:00Z
2026-11-27 → 2026-12-04Southwest AirlinesWN4198 / WN3801$391.002026-10-29T01:29:00Z
2026-11-20 → 2026-11-23Southwest AirlinesWN4793 / WN3801$391.002026-10-29T01:29:00Z
2026-11-20 → 2026-11-23Southwest AirlinesWN4198 / WN3801$391.002026-10-29T01:29:00Z
2026-11-20 · one waySouthwest AirlinesWN459 + WN716$165.002026-10-29T01:29:00Z
2026-11-20 · one waySouthwest AirlinesWN4182 + WN3136$165.002026-10-29T01:29:00Z
2026-11-20 · one waySouthwest AirlinesWN4372 + WN802$165.002026-10-29T01:29:00Z
2026-11-20 · one waySouthwest AirlinesWN4132 + WN1772$165.002026-10-29T01:29:00Z
2026-11-20 · one wayAmerican AirlinesAA5082 + AA526$185.002026-10-29T01:29:00Z
2026-11-27 → 2026-12-04Southwest AirlinesWN4372 + WN802 / WN3801$378.002026-10-29T01:29:00Z
2026-11-27 → 2026-12-04Southwest AirlinesWN4132 + WN1772 / WN3801$378.002026-10-29T01:29:00Z
2026-11-27 → 2026-12-04Southwest AirlinesWN459 + WN716 / WN3801$378.002026-10-29T01:29:00Z
2026-11-27 → 2026-12-04Southwest AirlinesWN4182 + WN3136 / WN3801$378.002026-10-29T01:29:00Z
2026-11-20 → 2026-11-23Southwest AirlinesWN4182 + WN3136 / WN3801$381.002026-10-29T01:29:00Z
2026-11-20 → 2026-11-23Southwest AirlinesWN4132 + WN1772 / WN3801$381.002026-10-29T01:29:00Z
2026-11-20 → 2026-11-23Southwest AirlinesWN4372 + WN802 / WN3801$381.002026-10-29T01:29:00Z
2026-11-20 → 2026-11-23Southwest AirlinesWN459 + WN716 / WN3801$381.002026-10-29T01:29:00Z
2026-11-27 → 2026-12-04American AirlinesAA3198 + AA4551 / AA2070 + AA5082$402.502026-10-29T01:29:00Z
2026-11-27 → 2026-12-04American AirlinesAA5082 + AA526 / AA2070 + AA5082$402.502026-10-29T01:29:00Z
2026-11-20 → 2026-11-23American AirlinesAA5082 + AA526 / AA2070 + AA5082$402.502026-10-29T01:29:00Z

2026-11-20 · one way · $175.00

  • Southwest Airlines WN4198: STL 2026-11-20 08:20:00 → SAT 2026-11-20 10:35:00; nonstop; 135 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $391.00

  • Southwest Airlines WN4793: STL 2026-11-27 22:45:00 → SAT 2026-11-28 01:00:00; nonstop; 135 minutes. Local airport times.
  • Southwest Airlines WN3801: SAT 2026-12-04 15:20:00 → STL 2026-12-04 17:20:00; nonstop; 120 minutes. Local airport times.

2026-11-20 · one way · $185.00

  • American Airlines AA3198 / AA4551: STL 2026-11-20 11:37:00 → SAT 2026-11-20 18:06:00; 1 stop(s) via ORD; 389 minutes. Local airport times.
    • AA3198: STL 2026-11-20 11:37:00 → ORD 2026-11-20 12:59:00; layover at ORD: 111 minutes.
    • AA4551: ORD 2026-11-20 14:50:00 → SAT 2026-11-20 18:06:00.

2026-11-20 → 2026-11-23 · $402.50

  • American Airlines AA3198 / AA4551: STL 2026-11-20 11:37:00 → SAT 2026-11-20 18:06:00; 1 stop(s) via ORD; 389 minutes. Local airport times.
    • AA3198: STL 2026-11-20 11:37:00 → ORD 2026-11-20 12:59:00; layover at ORD: 111 minutes.
    • AA4551: ORD 2026-11-20 14:50:00 → SAT 2026-11-20 18:06:00.
  • American Airlines AA2070 / AA5082: SAT 2026-11-23 08:00:00 → STL 2026-11-23 12:26:00; 1 stop(s) via DFW; 266 minutes. Local airport times.
    • AA2070: SAT 2026-11-23 08:00:00 → DFW 2026-11-23 09:22:00; layover at DFW: 70 minutes.
    • AA5082: DFW 2026-11-23 10:32:00 → STL 2026-11-23 12:26:00.

2026-11-20 · one way · $175.00

  • Southwest Airlines WN4793: STL 2026-11-20 22:45:00 → SAT 2026-11-21 01:00:00; nonstop; 135 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $391.00

  • Southwest Airlines WN4198: STL 2026-11-27 08:20:00 → SAT 2026-11-27 10:35:00; nonstop; 135 minutes. Local airport times.
  • Southwest Airlines WN3801: SAT 2026-12-04 15:20:00 → STL 2026-12-04 17:20:00; nonstop; 120 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $391.00

  • Southwest Airlines WN4793: STL 2026-11-20 22:45:00 → SAT 2026-11-21 01:00:00; nonstop; 135 minutes. Local airport times.
  • Southwest Airlines WN3801: SAT 2026-11-23 15:20:00 → STL 2026-11-23 17:20:00; nonstop; 120 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $391.00

  • Southwest Airlines WN4198: STL 2026-11-20 08:20:00 → SAT 2026-11-20 10:35:00; nonstop; 135 minutes. Local airport times.
  • Southwest Airlines WN3801: SAT 2026-11-23 15:20:00 → STL 2026-11-23 17:20:00; nonstop; 120 minutes. Local airport times.

2026-11-20 · one way · $165.00

  • Southwest Airlines WN459 / WN716: STL 2026-11-20 14:55:00 → SAT 2026-11-20 19:30:00; 1 stop(s) via BNA; 275 minutes. Local airport times.
    • WN459: STL 2026-11-20 14:55:00 → BNA 2026-11-20 16:05:00; layover at BNA: 60 minutes.
    • WN716: BNA 2026-11-20 17:05:00 → SAT 2026-11-20 19:30:00.

2026-11-20 · one way · $165.00

  • Southwest Airlines WN4182 / WN3136: STL 2026-11-20 07:55:00 → SAT 2026-11-20 14:35:00; 1 stop(s) via MSY; 400 minutes. Local airport times.
    • WN4182: STL 2026-11-20 07:55:00 → MSY 2026-11-20 09:40:00; layover at MSY: 195 minutes.
    • WN3136: MSY 2026-11-20 12:55:00 → SAT 2026-11-20 14:35:00.

2026-11-20 · one way · $165.00

  • Southwest Airlines WN4372 / WN802: STL 2026-11-20 12:40:00 → SAT 2026-11-20 18:00:00; 1 stop(s) via MCI; 320 minutes. Local airport times.
    • WN4372: STL 2026-11-20 12:40:00 → MCI 2026-11-20 13:45:00; layover at MCI: 130 minutes.
    • WN802: MCI 2026-11-20 15:55:00 → SAT 2026-11-20 18:00:00.

2026-11-20 · one way · $165.00

  • Southwest Airlines WN4132 / WN1772: STL 2026-11-20 19:10:00 → SAT 2026-11-20 23:30:00; 1 stop(s) via DAL; 260 minutes. Local airport times.
    • WN4132: STL 2026-11-20 19:10:00 → DAL 2026-11-20 20:50:00; layover at DAL: 85 minutes.
    • WN1772: DAL 2026-11-20 22:15:00 → SAT 2026-11-20 23:30:00.

2026-11-20 · one way · $185.00

  • American Airlines AA5082 / AA526: STL 2026-11-20 12:58:00 → SAT 2026-11-20 19:20:00; 1 stop(s) via DFW; 382 minutes. Local airport times.
    • AA5082: STL 2026-11-20 12:58:00 → DFW 2026-11-20 15:05:00; layover at DFW: 185 minutes.
    • AA526: DFW 2026-11-20 18:10:00 → SAT 2026-11-20 19:20:00.

2026-11-27 → 2026-12-04 · $378.00

  • Southwest Airlines WN4372 / WN802: STL 2026-11-27 12:40:00 → SAT 2026-11-27 18:00:00; 1 stop(s) via MCI; 320 minutes. Local airport times.
    • WN4372: STL 2026-11-27 12:40:00 → MCI 2026-11-27 13:45:00; layover at MCI: 130 minutes.
    • WN802: MCI 2026-11-27 15:55:00 → SAT 2026-11-27 18:00:00.
  • Southwest Airlines WN3801: SAT 2026-12-04 15:20:00 → STL 2026-12-04 17:20:00; nonstop; 120 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $378.00

  • Southwest Airlines WN4132 / WN1772: STL 2026-11-27 19:10:00 → SAT 2026-11-27 23:30:00; 1 stop(s) via DAL; 260 minutes. Local airport times.
    • WN4132: STL 2026-11-27 19:10:00 → DAL 2026-11-27 20:50:00; layover at DAL: 85 minutes.
    • WN1772: DAL 2026-11-27 22:15:00 → SAT 2026-11-27 23:30:00.
  • Southwest Airlines WN3801: SAT 2026-12-04 15:20:00 → STL 2026-12-04 17:20:00; nonstop; 120 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $378.00

  • Southwest Airlines WN459 / WN716: STL 2026-11-27 14:55:00 → SAT 2026-11-27 19:30:00; 1 stop(s) via BNA; 275 minutes. Local airport times.
    • WN459: STL 2026-11-27 14:55:00 → BNA 2026-11-27 16:05:00; layover at BNA: 60 minutes.
    • WN716: BNA 2026-11-27 17:05:00 → SAT 2026-11-27 19:30:00.
  • Southwest Airlines WN3801: SAT 2026-12-04 15:20:00 → STL 2026-12-04 17:20:00; nonstop; 120 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $378.00

  • Southwest Airlines WN4182 / WN3136: STL 2026-11-27 07:55:00 → SAT 2026-11-27 14:35:00; 1 stop(s) via MSY; 400 minutes. Local airport times.
    • WN4182: STL 2026-11-27 07:55:00 → MSY 2026-11-27 09:40:00; layover at MSY: 195 minutes.
    • WN3136: MSY 2026-11-27 12:55:00 → SAT 2026-11-27 14:35:00.
  • Southwest Airlines WN3801: SAT 2026-12-04 15:20:00 → STL 2026-12-04 17:20:00; nonstop; 120 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $381.00

  • Southwest Airlines WN4182 / WN3136: STL 2026-11-20 07:55:00 → SAT 2026-11-20 14:35:00; 1 stop(s) via MSY; 400 minutes. Local airport times.
    • WN4182: STL 2026-11-20 07:55:00 → MSY 2026-11-20 09:40:00; layover at MSY: 195 minutes.
    • WN3136: MSY 2026-11-20 12:55:00 → SAT 2026-11-20 14:35:00.
  • Southwest Airlines WN3801: SAT 2026-11-23 15:20:00 → STL 2026-11-23 17:20:00; nonstop; 120 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $381.00

  • Southwest Airlines WN4132 / WN1772: STL 2026-11-20 19:10:00 → SAT 2026-11-20 23:30:00; 1 stop(s) via DAL; 260 minutes. Local airport times.
    • WN4132: STL 2026-11-20 19:10:00 → DAL 2026-11-20 20:50:00; layover at DAL: 85 minutes.
    • WN1772: DAL 2026-11-20 22:15:00 → SAT 2026-11-20 23:30:00.
  • Southwest Airlines WN3801: SAT 2026-11-23 15:20:00 → STL 2026-11-23 17:20:00; nonstop; 120 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $381.00

  • Southwest Airlines WN4372 / WN802: STL 2026-11-20 12:40:00 → SAT 2026-11-20 18:00:00; 1 stop(s) via MCI; 320 minutes. Local airport times.
    • WN4372: STL 2026-11-20 12:40:00 → MCI 2026-11-20 13:45:00; layover at MCI: 130 minutes.
    • WN802: MCI 2026-11-20 15:55:00 → SAT 2026-11-20 18:00:00.
  • Southwest Airlines WN3801: SAT 2026-11-23 15:20:00 → STL 2026-11-23 17:20:00; nonstop; 120 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $381.00

  • Southwest Airlines WN459 / WN716: STL 2026-11-20 14:55:00 → SAT 2026-11-20 19:30:00; 1 stop(s) via BNA; 275 minutes. Local airport times.
    • WN459: STL 2026-11-20 14:55:00 → BNA 2026-11-20 16:05:00; layover at BNA: 60 minutes.
    • WN716: BNA 2026-11-20 17:05:00 → SAT 2026-11-20 19:30:00.
  • Southwest Airlines WN3801: SAT 2026-11-23 15:20:00 → STL 2026-11-23 17:20:00; nonstop; 120 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $402.50

  • American Airlines AA3198 / AA4551: STL 2026-11-27 11:37:00 → SAT 2026-11-27 18:06:00; 1 stop(s) via ORD; 389 minutes. Local airport times.
    • AA3198: STL 2026-11-27 11:37:00 → ORD 2026-11-27 12:59:00; layover at ORD: 111 minutes.
    • AA4551: ORD 2026-11-27 14:50:00 → SAT 2026-11-27 18:06:00.
  • American Airlines AA2070 / AA5082: SAT 2026-12-04 08:00:00 → STL 2026-12-04 12:26:00; 1 stop(s) via DFW; 266 minutes. Local airport times.
    • AA2070: SAT 2026-12-04 08:00:00 → DFW 2026-12-04 09:22:00; layover at DFW: 70 minutes.
    • AA5082: DFW 2026-12-04 10:32:00 → STL 2026-12-04 12:26:00.

2026-11-27 → 2026-12-04 · $402.50

  • American Airlines AA5082 / AA526: STL 2026-11-27 12:58:00 → SAT 2026-11-27 19:20:00; 1 stop(s) via DFW; 382 minutes. Local airport times.
    • AA5082: STL 2026-11-27 12:58:00 → DFW 2026-11-27 15:05:00; layover at DFW: 185 minutes.
    • AA526: DFW 2026-11-27 18:10:00 → SAT 2026-11-27 19:20:00.
  • American Airlines AA2070 / AA5082: SAT 2026-12-04 08:00:00 → STL 2026-12-04 12:26:00; 1 stop(s) via DFW; 266 minutes. Local airport times.
    • AA2070: SAT 2026-12-04 08:00:00 → DFW 2026-12-04 09:22:00; layover at DFW: 70 minutes.
    • AA5082: DFW 2026-12-04 10:32:00 → STL 2026-12-04 12:26:00.

2026-11-20 → 2026-11-23 · $402.50

  • American Airlines AA5082 / AA526: STL 2026-11-20 12:58:00 → SAT 2026-11-20 19:20:00; 1 stop(s) via DFW; 382 minutes. Local airport times.
    • AA5082: STL 2026-11-20 12:58:00 → DFW 2026-11-20 15:05:00; layover at DFW: 185 minutes.
    • AA526: DFW 2026-11-20 18:10:00 → SAT 2026-11-20 19:20:00.
  • American Airlines AA2070 / AA5082: SAT 2026-11-23 08:00:00 → STL 2026-11-23 12:26:00; 1 stop(s) via DFW; 266 minutes. Local airport times.
    • AA2070: SAT 2026-11-23 08:00:00 → DFW 2026-11-23 09:22:00; layover at DFW: 70 minutes.
    • AA5082: DFW 2026-11-23 10:32:00 → STL 2026-11-23 12:26:00.

More dates for this route