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Saint Louis → Jacksonville

Dec 21, 2026 · return Dec 31, 2026

STL → JAX1 adulteconomyRound trip

8 flight options · 4 airlines

Nonstop flights

Mon, Dec 21 – Thu, Dec 31

Southwest Airlines
6:15 pmSTL
2h
Nonstop
9:15 pmJAX
Southwest Airlines
6:05 amJAX
2h 15m
Nonstop
7:20 amSTL

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Southwest Airlines
10:05 amSTL
1h 55m
Nonstop
1:00 pmJAX
Southwest Airlines
6:05 amJAX
2h 15m
Nonstop
7:20 amSTL

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Thu, Dec 31

Frontier Airlines
12:02 pmSTL
4h 5m
ATL · 1h 9m
5:07 pmJAX
Southwest Airlines
6:05 amJAX
2h 15m
Nonstop
7:20 amSTL

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

American Airlines
8:00 amSTL
5h 31m
CLT · 2h 12m
2:31 pmJAX
American Airlines
6:20 amJAX
4h 59m
CLT · 1h 25m
10:19 amSTL

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Delta Air Lines
10:06 amSTL
5h 36m
ATL · 2h 59m
4:42 pmJAX
Delta Air Lines
2:27 pmJAX
4h 34m
ATL · 1h 38m
6:01 pmSTL

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Southwest Airlines
10:35 amSTL
4h 55m
BNA · 2h 20m
4:30 pmJAX
Southwest Airlines
6:05 amJAX
2h 15m
Nonstop
7:20 amSTL

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Southwest Airlines
5:30 amSTL
4h 55m
MDW · 1h 25m
11:25 amJAX
Southwest Airlines
6:05 amJAX
2h 15m
Nonstop
7:20 amSTL

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Southwest Airlines
7:55 pmSTL
2h
Nonstop
10:55 pmJAX
Southwest Airlines
5:40 pmJAX
5h 35m
BWI · 1h 20m
10:15 pmSTL

Round-trip total · 1 adult · Taxes included

Make this trip yours

STL ⇄ JAX

Economy

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

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More dates

All dates for this routeNov 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)
2026-12-21 → 2026-12-31Southwest AirlinesWN4807 / WN2265$355.252026-10-29T01:28:39Z
2026-12-21 → 2026-12-31Frontier Airlines / Southwest AirlinesF94474 + F91550 / WN2265$292.752026-10-29T01:28:39Z
2026-12-21 → 2026-12-31American AirlinesAA1250 + AA1830 / AA1576 + AA2486$404.252026-10-29T01:28:39Z
2026-12-21 → 2026-12-31Delta Air LinesDL1571 + DL2720 / DL3024 + DL1393$428.752026-10-29T01:28:39Z
2026-12-21 → 2026-12-31Southwest AirlinesWN4697 / WN2265$355.252026-10-29T01:28:39Z
2026-12-21 → 2026-12-31Southwest AirlinesWN665 + WN642 / WN2265$349.002026-10-29T01:28:39Z
2026-12-21 → 2026-12-31Southwest AirlinesWN4173 + WN2262 / WN2265$349.002026-10-29T01:28:39Z
2026-12-21 → 2026-12-31Southwest AirlinesWN4807 / WN1329 + WN1390$349.252026-10-29T01:28:39Z

2026-12-21 → 2026-12-31 · $355.25

  • Southwest Airlines WN4807: STL 2026-12-21 18:15:00 → JAX 2026-12-21 21:15:00; nonstop; 120 minutes. Local airport times.
  • Southwest Airlines WN2265: JAX 2026-12-31 06:05:00 → STL 2026-12-31 07:20:00; nonstop; 135 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $292.75

  • Frontier Airlines F94474 / F91550: STL 2026-12-21 12:02:00 → JAX 2026-12-21 17:07:00; 1 stop(s) via ATL; 245 minutes. Local airport times.
    • F94474: STL 2026-12-21 12:02:00 → ATL 2026-12-21 14:42:00; layover at ATL: 69 minutes.
    • F91550: ATL 2026-12-21 15:51:00 → JAX 2026-12-21 17:07:00.
  • Southwest Airlines WN2265: JAX 2026-12-31 06:05:00 → STL 2026-12-31 07:20:00; nonstop; 135 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $404.25

  • American Airlines AA1250 / AA1830: STL 2026-12-21 08:00:00 → JAX 2026-12-21 14:31:00; 1 stop(s) via CLT; 331 minutes. Local airport times.
    • AA1250: STL 2026-12-21 08:00:00 → CLT 2026-12-21 10:56:00; layover at CLT: 132 minutes.
    • AA1830: CLT 2026-12-21 13:08:00 → JAX 2026-12-21 14:31:00.
  • American Airlines AA1576 / AA2486: JAX 2026-12-31 06:20:00 → STL 2026-12-31 10:19:00; 1 stop(s) via CLT; 299 minutes. Local airport times.
    • AA1576: JAX 2026-12-31 06:20:00 → CLT 2026-12-31 07:50:00; layover at CLT: 85 minutes.
    • AA2486: CLT 2026-12-31 09:15:00 → STL 2026-12-31 10:19:00.

2026-12-21 → 2026-12-31 · $428.75

  • Delta Air Lines DL1571 / DL2720: STL 2026-12-21 10:06:00 → JAX 2026-12-21 16:42:00; 1 stop(s) via ATL; 336 minutes. Local airport times.
    • DL1571: STL 2026-12-21 10:06:00 → ATL 2026-12-21 12:36:00; layover at ATL: 179 minutes.
    • DL2720: ATL 2026-12-21 15:35:00 → JAX 2026-12-21 16:42:00.
  • Delta Air Lines DL3024 / DL1393: JAX 2026-12-31 14:27:00 → STL 2026-12-31 18:01:00; 1 stop(s) via ATL; 274 minutes. Local airport times.
    • DL3024: JAX 2026-12-31 14:27:00 → ATL 2026-12-31 15:42:00; layover at ATL: 98 minutes.
    • DL1393: ATL 2026-12-31 17:20:00 → STL 2026-12-31 18:01:00.

2026-12-21 → 2026-12-31 · $355.25

  • Southwest Airlines WN4697: STL 2026-12-21 10:05:00 → JAX 2026-12-21 13:00:00; nonstop; 115 minutes. Local airport times.
  • Southwest Airlines WN2265: JAX 2026-12-31 06:05:00 → STL 2026-12-31 07:20:00; nonstop; 135 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $349.00

  • Southwest Airlines WN665 / WN642: STL 2026-12-21 10:35:00 → JAX 2026-12-21 16:30:00; 1 stop(s) via BNA; 295 minutes. Local airport times.
    • WN665: STL 2026-12-21 10:35:00 → BNA 2026-12-21 11:40:00; layover at BNA: 140 minutes.
    • WN642: BNA 2026-12-21 14:00:00 → JAX 2026-12-21 16:30:00.
  • Southwest Airlines WN2265: JAX 2026-12-31 06:05:00 → STL 2026-12-31 07:20:00; nonstop; 135 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $349.00

  • Southwest Airlines WN4173 / WN2262: STL 2026-12-21 05:30:00 → JAX 2026-12-21 11:25:00; 1 stop(s) via MDW; 295 minutes. Local airport times.
    • WN4173: STL 2026-12-21 05:30:00 → MDW 2026-12-21 06:35:00; layover at MDW: 85 minutes.
    • WN2262: MDW 2026-12-21 08:00:00 → JAX 2026-12-21 11:25:00.
  • Southwest Airlines WN2265: JAX 2026-12-31 06:05:00 → STL 2026-12-31 07:20:00; nonstop; 135 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $349.25

  • Southwest Airlines WN4807: STL 2026-12-21 19:55:00 → JAX 2026-12-21 22:55:00; nonstop; 120 minutes. Local airport times.
  • Southwest Airlines WN1329 / WN1390: JAX 2026-12-31 17:40:00 → STL 2026-12-31 22:15:00; 1 stop(s) via BWI; 335 minutes. Local airport times.
    • WN1329: JAX 2026-12-31 17:40:00 → BWI 2026-12-31 19:30:00; layover at BWI: 80 minutes.
    • WN1390: BWI 2026-12-31 20:50:00 → STL 2026-12-31 22:15:00.

More dates for this route