Travel with Axel,
get the best price.

Sacramento → Saint Louis

Dec 4, 2026 · return Dec 18, 2026

SMF → STL1 adulteconomyRound trip

7 flight options · 4 airlines

Nonstop flights

Fri, Dec 4 – Fri, Dec 18

Southwest Airlines
1:35 pmSMF
3h 35m
Nonstop
7:10 pmSTL
Southwest Airlines
8:25 amSTL
4h 15m
Nonstop
10:40 amSMF

Round-trip total · 1 adult · Taxes included

One-stop flights

Fri, Dec 4 – Fri, Dec 18

Alaska Airlines
6:00 amSMF
7h 6m
SEA · 1h 8m
3:06 pmSTL
Delta Air Lines
7:08 amSTL
6h 54m
SLC · 1h 34m
12:02 pmSMF

Round-trip total · 1 adult · Taxes included

Fri, Dec 4 – Fri, Dec 18

United Airlines
9:00 amSMF
5h 57m
DEN · 1h 31m
4:57 pmSTL
Delta Air Lines
7:08 amSTL
6h 54m
SLC · 1h 34m
12:02 pmSMF

Round-trip total · 1 adult · Taxes included

Fri, Dec 4 – Fri, Dec 18

Delta Air Lines
5:30 amSMF
5h 51m
SLC · 1h 10m
1:21 pmSTL
Delta Air Lines
7:08 amSTL
6h 54m
SLC · 1h 34m
12:02 pmSMF

Round-trip total · 1 adult · Taxes included

Fri, Dec 4 – Fri, Dec 18

Southwest Airlines
11:50 amSMF
3h 35m
Nonstop
5:25 pmSTL
Southwest Airlines
8:00 amSTL
5h 55m
MCI · 1h
11:55 amSMF

Round-trip total · 1 adult · Taxes included

Fri, Dec 4 – Fri, Dec 18

Southwest Airlines
3:50 pmSMF
6h 30m
PHX · 1h 40m
12:20 am+1STL
Southwest Airlines
8:25 amSTL
4h 15m
Nonstop
10:40 amSMF

Round-trip total · 1 adult · Taxes included

Fri, Dec 4 – Fri, Dec 18

United Airlines
1:18 pmSMF
7h 8m
IAH · 1h 23m
10:26 pmSTL
Delta Air Lines
7:08 amSTL
6h 54m
SLC · 1h 34m
12:02 pmSMF

Round-trip total · 1 adult · Taxes included

Make this trip yours

SMF ⇄ 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, 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.
  • 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 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)
2026-12-04 → 2026-12-18Southwest AirlinesWN4061 / WN4201$438.002026-10-29T01:27:22Z
2026-12-04 → 2026-12-18Alaska Airlines / Delta Air LinesAS1361 + AS314 / DL2363 + DL1423$453.002026-10-29T01:27:22Z
2026-12-04 → 2026-12-18United Airlines / Delta Air LinesUA2285 + UA1639 / DL2363 + DL1423$460.502026-10-29T01:27:22Z
2026-12-04 → 2026-12-18Delta Air LinesDL1526 + DL2455 / DL2363 + DL1423$468.002026-10-29T01:27:22Z
2026-12-04 → 2026-12-18Southwest AirlinesWN4061 / WN4164 + WN3079$420.502026-10-29T01:27:22Z
2026-12-04 → 2026-12-18Southwest AirlinesWN4509 + WN3528 / WN4201$425.502026-10-29T01:27:22Z
2026-12-04 → 2026-12-18United Airlines / Delta Air LinesUA1949 + UA2804 / DL2363 + DL1423$460.502026-10-29T01:27:22Z

2026-12-04 → 2026-12-18 · $438.00

  • Southwest Airlines WN4061: SMF 2026-12-04 13:35:00 → STL 2026-12-04 19:10:00; nonstop; 215 minutes. Local airport times.
  • Southwest Airlines WN4201: STL 2026-12-18 08:25:00 → SMF 2026-12-18 10:40:00; nonstop; 255 minutes. Local airport times.

2026-12-04 → 2026-12-18 · $453.00

  • Alaska Airlines AS1361 / AS314: SMF 2026-12-04 06:00:00 → STL 2026-12-04 15:06:00; 1 stop(s) via SEA; 426 minutes. Local airport times.
    • AS1361: SMF 2026-12-04 06:00:00 → SEA 2026-12-04 08:08:00; layover at SEA: 68 minutes.
    • AS314: SEA 2026-12-04 09:16:00 → STL 2026-12-04 15:06:00.
  • Delta Air Lines DL2363 / DL1423: STL 2026-12-18 07:08:00 → SMF 2026-12-18 12:02:00; 1 stop(s) via SLC; 414 minutes. Local airport times.
    • DL2363: STL 2026-12-18 07:08:00 → SLC 2026-12-18 09:36:00; layover at SLC: 94 minutes.
    • DL1423: SLC 2026-12-18 11:10:00 → SMF 2026-12-18 12:02:00.

2026-12-04 → 2026-12-18 · $460.50

  • United Airlines UA2285 / UA1639: SMF 2026-12-04 09:00:00 → STL 2026-12-04 16:57:00; 1 stop(s) via DEN; 357 minutes. Local airport times.
    • UA2285: SMF 2026-12-04 09:00:00 → DEN 2026-12-04 12:24:00; layover at DEN: 91 minutes.
    • UA1639: DEN 2026-12-04 13:55:00 → STL 2026-12-04 16:57:00.
  • Delta Air Lines DL2363 / DL1423: STL 2026-12-18 07:08:00 → SMF 2026-12-18 12:02:00; 1 stop(s) via SLC; 414 minutes. Local airport times.
    • DL2363: STL 2026-12-18 07:08:00 → SLC 2026-12-18 09:36:00; layover at SLC: 94 minutes.
    • DL1423: SLC 2026-12-18 11:10:00 → SMF 2026-12-18 12:02:00.

2026-12-04 → 2026-12-18 · $468.00

  • Delta Air Lines DL1526 / DL2455: SMF 2026-12-04 05:30:00 → STL 2026-12-04 13:21:00; 1 stop(s) via SLC; 351 minutes. Local airport times.
    • DL1526: SMF 2026-12-04 05:30:00 → SLC 2026-12-04 08:16:00; layover at SLC: 70 minutes.
    • DL2455: SLC 2026-12-04 09:26:00 → STL 2026-12-04 13:21:00.
  • Delta Air Lines DL2363 / DL1423: STL 2026-12-18 07:08:00 → SMF 2026-12-18 12:02:00; 1 stop(s) via SLC; 414 minutes. Local airport times.
    • DL2363: STL 2026-12-18 07:08:00 → SLC 2026-12-18 09:36:00; layover at SLC: 94 minutes.
    • DL1423: SLC 2026-12-18 11:10:00 → SMF 2026-12-18 12:02:00.

2026-12-04 → 2026-12-18 · $420.50

  • Southwest Airlines WN4061: SMF 2026-12-04 11:50:00 → STL 2026-12-04 17:25:00; nonstop; 215 minutes. Local airport times.
  • Southwest Airlines WN4164 / WN3079: STL 2026-12-18 08:00:00 → SMF 2026-12-18 11:55:00; 1 stop(s) via MCI; 355 minutes. Local airport times.
    • WN4164: STL 2026-12-18 08:00:00 → MCI 2026-12-18 09:10:00; layover at MCI: 60 minutes.
    • WN3079: MCI 2026-12-18 10:10:00 → SMF 2026-12-18 11:55:00.

2026-12-04 → 2026-12-18 · $425.50

  • Southwest Airlines WN4509 / WN3528: SMF 2026-12-04 15:50:00 → STL 2026-12-05 00:20:00; 1 stop(s) via PHX; 390 minutes. Local airport times.
    • WN4509: SMF 2026-12-04 15:50:00 → PHX 2026-12-04 18:45:00; layover at PHX: 100 minutes.
    • WN3528: PHX 2026-12-04 20:25:00 → STL 2026-12-05 00:20:00.
  • Southwest Airlines WN4201: STL 2026-12-18 08:25:00 → SMF 2026-12-18 10:40:00; nonstop; 255 minutes. Local airport times.

2026-12-04 → 2026-12-18 · $460.50

  • United Airlines UA1949 / UA2804: SMF 2026-12-04 13:18:00 → STL 2026-12-04 22:26:00; 1 stop(s) via IAH; 428 minutes. Local airport times.
    • UA1949: SMF 2026-12-04 13:18:00 → IAH 2026-12-04 18:57:00; layover at IAH: 83 minutes.
    • UA2804: IAH 2026-12-04 20:20:00 → STL 2026-12-04 22:26:00.
  • Delta Air Lines DL2363 / DL1423: STL 2026-12-18 07:08:00 → SMF 2026-12-18 12:02:00; 1 stop(s) via SLC; 414 minutes. Local airport times.
    • DL2363: STL 2026-12-18 07:08:00 → SLC 2026-12-18 09:36:00; layover at SLC: 94 minutes.
    • DL1423: SLC 2026-12-18 11:10:00 → SMF 2026-12-18 12:02:00.

More dates for this route