Travel with Axel,
get the best price.

Atlanta → Saint Louis

Dec 2, 2026 · return Dec 6, 2026

ATL → STL1 adulteconomyRound trip

10 flight options · 4 airlines

Nonstop flights

Wed, Dec 2 – Sun, Dec 6

Frontier Airlines
9:57 amATL
1h 56m
Nonstop
10:53 amSTL
Frontier Airlines
12:02 pmSTL
1h 40m
Nonstop
2:42 pmATL

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sun, Dec 6

Southwest Airlines
6:50 pmATL
1h 40m
Nonstop
7:30 pmSTL
Southwest Airlines
4:30 pmSTL
1h 30m
Nonstop
7:00 pmATL

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sun, Dec 6

Delta Air Lines
12:40 pmATL
1h 43m
Nonstop
1:23 pmSTL
Delta Air Lines
3:48 pmSTL
1h 37m
Nonstop
6:25 pmATL

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sun, Dec 6

Frontier Airlines
4:49 pmATL
1h 53m
Nonstop
5:42 pmSTL
Delta Air Lines
3:48 pmSTL
1h 37m
Nonstop
6:25 pmATL

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sun, Dec 6

Southwest Airlines
1:25 pmATL
1h 40m
Nonstop
2:05 pmSTL
Southwest Airlines
4:30 pmSTL
1h 30m
Nonstop
7:00 pmATL

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sun, Dec 6

Delta Air Lines
8:54 pmATL
1h 44m
Nonstop
9:38 pmSTL
Delta Air Lines
3:48 pmSTL
1h 37m
Nonstop
6:25 pmATL

Round-trip total · 1 adult · Taxes included

One-stop flights

Wed, Dec 2 – Sun, Dec 6

American Airlines
5:00 amATL
4h 33m
CLT · 1h 2m
8:33 amSTL
American Airlines
5:00 amSTL
5h 55m
CLT · 2h 32m
11:55 amATL

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sun, Dec 6

Frontier Airlines
7:09 pmATL
6h 3m
MCO · 1h 37m
12:12 am+1STL
Frontier Airlines
12:02 pmSTL
1h 40m
Nonstop
2:42 pmATL

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sun, Dec 6

Southwest Airlines
7:40 pmATL
5h 15m
BNA · 2h 55m
11:55 pmSTL
Southwest Airlines
4:30 pmSTL
1h 30m
Nonstop
7:00 pmATL

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sun, Dec 6

Southwest Airlines
7:45 amATL
5h 55m
MDW · 2h 50m
12:40 pmSTL
Southwest Airlines
4:30 pmSTL
1h 30m
Nonstop
7:00 pmATL

Round-trip total · 1 adult · Taxes included

Make this trip yours

ATL ⇄ STL

Economy

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

No account needed to see prices.

Already have an account? Log in

Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, Frontier 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.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. 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

All dates for this routeNov 5, 2026 → Nov 8, 2026Nov 14, 2026 → Nov 21, 2026Nov 24, 2026 → Nov 29, 2026Dec 5, 2026 → Dec 12, 2026Dec 17, 2026 → Dec 20, 2026Dec 26, 2026 → Jan 2, 2027Jan 5, 2027 · One wayJan 16, 2027 → Jan 23, 2027Feb 5, 2027 → Feb 8, 2027Apr 3, 2027 → Apr 10, 2027Jun 26, 2027 → Jul 3, 2027Sep 17, 2027 → Sep 20, 2027
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)
2026-12-02 → 2026-12-06Frontier AirlinesF94473 / F94474$165.002026-10-29T00:45:58Z
2026-12-02 → 2026-12-06Southwest AirlinesWN261 / WN3091$270.002026-10-29T00:45:58Z
2026-12-02 → 2026-12-06Delta Air LinesDL1102 / DL1102$320.002026-10-29T00:45:58Z
2026-12-02 → 2026-12-06American AirlinesAA5118 + AA3332 / AA1992 + AA5293$280.002026-10-29T00:45:58Z
2026-12-02 → 2026-12-06Frontier Airlines / Delta Air LinesF94473 / DL1102$242.502026-10-29T00:45:58Z
2026-12-02 → 2026-12-06Southwest AirlinesWN736 / WN3091$270.002026-10-29T00:45:58Z
2026-12-02 → 2026-12-06Delta Air LinesDL2833 / DL1102$320.002026-10-29T00:45:58Z
2026-12-02 → 2026-12-06Frontier AirlinesF92050 + F92635 / F94474$180.002026-10-29T00:45:58Z
2026-12-02 → 2026-12-06Southwest AirlinesWN198 + WN2043 / WN3091$265.002026-10-29T00:45:58Z
2026-12-02 → 2026-12-06Southwest AirlinesWN2721 + WN2737 / WN3091$265.002026-10-29T00:45:58Z

2026-12-02 → 2026-12-06 · $165.00

  • Frontier Airlines F94473: ATL 2026-12-02 09:57:00 → STL 2026-12-02 10:53:00; nonstop; 116 minutes. Local airport times.
  • Frontier Airlines F94474: STL 2026-12-06 12:02:00 → ATL 2026-12-06 14:42:00; nonstop; 100 minutes. Local airport times.

2026-12-02 → 2026-12-06 · $270.00

  • Southwest Airlines WN261: ATL 2026-12-02 18:50:00 → STL 2026-12-02 19:30:00; nonstop; 100 minutes. Local airport times.
  • Southwest Airlines WN3091: STL 2026-12-06 16:30:00 → ATL 2026-12-06 19:00:00; nonstop; 90 minutes. Local airport times.

2026-12-02 → 2026-12-06 · $320.00

  • Delta Air Lines DL1102: ATL 2026-12-02 12:40:00 → STL 2026-12-02 13:23:00; nonstop; 103 minutes. Local airport times.
  • Delta Air Lines DL1102: STL 2026-12-06 15:48:00 → ATL 2026-12-06 18:25:00; nonstop; 97 minutes. Local airport times.

2026-12-02 → 2026-12-06 · $280.00

  • American Airlines AA5118 / AA3332: ATL 2026-12-02 05:00:00 → STL 2026-12-02 08:33:00; 1 stop(s) via CLT; 273 minutes. Local airport times.
    • AA5118: ATL 2026-12-02 05:00:00 → CLT 2026-12-02 06:26:00; layover at CLT: 62 minutes.
    • AA3332: CLT 2026-12-02 07:28:00 → STL 2026-12-02 08:33:00.
  • American Airlines AA1992 / AA5293: STL 2026-12-06 05:00:00 → ATL 2026-12-06 11:55:00; 1 stop(s) via CLT; 355 minutes. Local airport times.
    • AA1992: STL 2026-12-06 05:00:00 → CLT 2026-12-06 07:55:00; layover at CLT: 152 minutes.
    • AA5293: CLT 2026-12-06 10:27:00 → ATL 2026-12-06 11:55:00.

2026-12-02 → 2026-12-06 · $242.50

  • Frontier Airlines F94473: ATL 2026-12-02 16:49:00 → STL 2026-12-02 17:42:00; nonstop; 113 minutes. Local airport times.
  • Delta Air Lines DL1102: STL 2026-12-06 15:48:00 → ATL 2026-12-06 18:25:00; nonstop; 97 minutes. Local airport times.

2026-12-02 → 2026-12-06 · $270.00

  • Southwest Airlines WN736: ATL 2026-12-02 13:25:00 → STL 2026-12-02 14:05:00; nonstop; 100 minutes. Local airport times.
  • Southwest Airlines WN3091: STL 2026-12-06 16:30:00 → ATL 2026-12-06 19:00:00; nonstop; 90 minutes. Local airport times.

2026-12-02 → 2026-12-06 · $320.00

  • Delta Air Lines DL2833: ATL 2026-12-02 20:54:00 → STL 2026-12-02 21:38:00; nonstop; 104 minutes. Local airport times.
  • Delta Air Lines DL1102: STL 2026-12-06 15:48:00 → ATL 2026-12-06 18:25:00; nonstop; 97 minutes. Local airport times.

2026-12-02 → 2026-12-06 · $180.00

  • Frontier Airlines F92050 / F92635: ATL 2026-12-02 19:09:00 → STL 2026-12-03 00:12:00; 1 stop(s) via MCO; 363 minutes. Local airport times.
    • F92050: ATL 2026-12-02 19:09:00 → MCO 2026-12-02 20:53:00; layover at MCO: 97 minutes.
    • F92635: MCO 2026-12-02 22:30:00 → STL 2026-12-03 00:12:00.
  • Frontier Airlines F94474: STL 2026-12-06 12:02:00 → ATL 2026-12-06 14:42:00; nonstop; 100 minutes. Local airport times.

2026-12-02 → 2026-12-06 · $265.00

  • Southwest Airlines WN198 / WN2043: ATL 2026-12-02 19:40:00 → STL 2026-12-02 23:55:00; 1 stop(s) via BNA; 315 minutes. Local airport times.
    • WN198: ATL 2026-12-02 19:40:00 → BNA 2026-12-02 19:45:00; layover at BNA: 175 minutes.
    • WN2043: BNA 2026-12-02 22:40:00 → STL 2026-12-02 23:55:00.
  • Southwest Airlines WN3091: STL 2026-12-06 16:30:00 → ATL 2026-12-06 19:00:00; nonstop; 90 minutes. Local airport times.

2026-12-02 → 2026-12-06 · $265.00

  • Southwest Airlines WN2721 / WN2737: ATL 2026-12-02 07:45:00 → STL 2026-12-02 12:40:00; 1 stop(s) via MDW; 355 minutes. Local airport times.
    • WN2721: ATL 2026-12-02 07:45:00 → MDW 2026-12-02 08:40:00; layover at MDW: 170 minutes.
    • WN2737: MDW 2026-12-02 11:30:00 → STL 2026-12-02 12:40:00.
  • Southwest Airlines WN3091: STL 2026-12-06 16:30:00 → ATL 2026-12-06 19:00:00; nonstop; 90 minutes. Local airport times.

More dates for this route