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San Francisco → Saint Louis

Dec 2, 2026 · return Dec 12, 2026

SFO → STL1 adulteconomyRound trip

9 flight options · 5 airlines

Nonstop flights

Wed, Dec 2 – Sat, Dec 12

Southwest Airlines
1:05 pmSFO
3h 50m
Nonstop
6:55 pmSTL
Southwest Airlines
8:00 amSTL
4h 20m
Nonstop
10:20 amSFO

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sat, Dec 12

United Airlines
12:15 pmSFO
3h 50m
Nonstop
6:05 pmSTL
United Airlines
7:05 pmSTL
4h 36m
Nonstop
9:41 pmSFO

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sat, Dec 12

United Airlines
10:13 amSFO
4h 13m
Nonstop
4:26 pmSTL
United Airlines
7:05 pmSTL
4h 36m
Nonstop
9:41 pmSFO

Round-trip total · 1 adult · Taxes included

One-stop flights

Wed, Dec 2 – Sat, Dec 12

Frontier Airlines
11:23 amSFO
5h 51m
DEN · 1h 2m
7:14 pmSTL
Frontier Airlines
2:02 pmSTL
6h 24m
LAS · 1h 4m
6:26 pmSFO

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sat, Dec 12

American Airlines
3:07 pmSFO
6h 29m
LAX · 1h 7m
11:36 pmSTL
American Airlines
2:23 pmSTL
6h 53m
PHX · 1h 14m
7:16 pmSFO

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sat, Dec 12

Delta Air Lines
9:56 amSFO
5h 45m
SLC · 1h 5m
5:41 pmSTL
Delta Air Lines
6:03 amSTL
7h 4m
MSP · 1h 2m
11:07 amSFO

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sat, Dec 12

Southwest Airlines
5:05 amSFO
5h 55m
PHX · 1h 10m
1:00 pmSTL
Southwest Airlines
8:00 amSTL
4h 20m
Nonstop
10:20 amSFO

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sat, Dec 12

Southwest Airlines
6:00 amSFO
5h 30m
DEN · 1h
1:30 pmSTL
Southwest Airlines
8:00 amSTL
4h 20m
Nonstop
10:20 amSFO

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sat, Dec 12

Southwest Airlines
11:15 amSFO
3h 55m
Nonstop
5:10 pmSTL
Southwest Airlines
7:55 amSTL
6h 55m
SAN · 1h 20m
12:50 pmSFO

Round-trip total · 1 adult · Taxes included

Make this trip yours

SFO ⇄ STL

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 24, 2026 → Nov 29, 2026Dec 22, 2026 → Dec 27, 2026Dec 30, 2026 → Jan 2, 2027Jan 15, 2027 → Jan 18, 2027Oct 30, 2026 → Nov 2, 2026Oct 31, 2026 → Nov 7, 2026Nov 27, 2026 → Nov 30, 2026Nov 28, 2026 → Dec 5, 2026Dec 25, 2026 → Dec 28, 2026Dec 26, 2026 → Jan 2, 2027Jan 22, 2027 → Jan 25, 2027Oct 30, 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)
2026-12-02 → 2026-12-12Southwest AirlinesWN2989 / WN4751$340.002026-10-29T01:19:49Z
2026-12-02 → 2026-12-12United AirlinesUA1905 / UA214$400.002026-10-29T01:19:49Z
2026-12-02 → 2026-12-12Frontier AirlinesF93436 + F93302 / F93107 + F94157$190.002026-10-29T01:19:49Z
2026-12-02 → 2026-12-12American AirlinesAA6214 + AA6209 / AA2303 + AA2234$330.002026-10-29T01:19:49Z
2026-12-02 → 2026-12-12Delta Air LinesDL920 + DL2373 / DL1597 + DL2078$350.002026-10-29T01:19:49Z
2026-12-02 → 2026-12-12United AirlinesUA6046 / UA214$400.002026-10-29T01:19:49Z
2026-12-02 → 2026-12-12Southwest AirlinesWN3850 + WN709 / WN4751$325.002026-10-29T01:19:49Z
2026-12-02 → 2026-12-12Southwest AirlinesWN4578 + WN1807 / WN4751$325.002026-10-29T01:19:49Z
2026-12-02 → 2026-12-12Southwest AirlinesWN2989 / WN4452 + WN4955$325.002026-10-29T01:19:49Z

2026-12-02 → 2026-12-12 · $340.00

  • Southwest Airlines WN2989: SFO 2026-12-02 13:05:00 → STL 2026-12-02 18:55:00; nonstop; 230 minutes. Local airport times.
  • Southwest Airlines WN4751: STL 2026-12-12 08:00:00 → SFO 2026-12-12 10:20:00; nonstop; 260 minutes. Local airport times.

2026-12-02 → 2026-12-12 · $400.00

  • United Airlines UA1905: SFO 2026-12-02 12:15:00 → STL 2026-12-02 18:05:00; nonstop; 230 minutes. Local airport times.
  • United Airlines UA214: STL 2026-12-12 19:05:00 → SFO 2026-12-12 21:41:00; nonstop; 276 minutes. Local airport times.

2026-12-02 → 2026-12-12 · $190.00

  • Frontier Airlines F93436 / F93302: SFO 2026-12-02 11:23:00 → STL 2026-12-02 19:14:00; 1 stop(s) via DEN; 351 minutes. Local airport times.
    • F93436: SFO 2026-12-02 11:23:00 → DEN 2026-12-02 15:07:00; layover at DEN: 62 minutes.
    • F93302: DEN 2026-12-02 16:09:00 → STL 2026-12-02 19:14:00.
  • Frontier Airlines F93107 / F94157: STL 2026-12-12 14:02:00 → SFO 2026-12-12 18:26:00; 1 stop(s) via LAS; 384 minutes. Local airport times.
    • F93107: STL 2026-12-12 14:02:00 → LAS 2026-12-12 15:38:00; layover at LAS: 64 minutes.
    • F94157: LAS 2026-12-12 16:42:00 → SFO 2026-12-12 18:26:00.

2026-12-02 → 2026-12-12 · $330.00

  • American Airlines AA6214 / AA6209: SFO 2026-12-02 15:07:00 → STL 2026-12-02 23:36:00; 1 stop(s) via LAX; 389 minutes. Local airport times.
    • AA6214: SFO 2026-12-02 15:07:00 → LAX 2026-12-02 16:43:00; layover at LAX: 67 minutes.
    • AA6209: LAX 2026-12-02 17:50:00 → STL 2026-12-02 23:36:00.
  • American Airlines AA2303 / AA2234: STL 2026-12-12 14:23:00 → SFO 2026-12-12 19:16:00; 1 stop(s) via PHX; 413 minutes. Local airport times.
    • AA2303: STL 2026-12-12 14:23:00 → PHX 2026-12-12 16:51:00; layover at PHX: 74 minutes.
    • AA2234: PHX 2026-12-12 18:05:00 → SFO 2026-12-12 19:16:00.

2026-12-02 → 2026-12-12 · $350.00

  • Delta Air Lines DL920 / DL2373: SFO 2026-12-02 09:56:00 → STL 2026-12-02 17:41:00; 1 stop(s) via SLC; 345 minutes. Local airport times.
    • DL920: SFO 2026-12-02 09:56:00 → SLC 2026-12-02 12:50:00; layover at SLC: 65 minutes.
    • DL2373: SLC 2026-12-02 13:55:00 → STL 2026-12-02 17:41:00.
  • Delta Air Lines DL1597 / DL2078: STL 2026-12-12 06:03:00 → SFO 2026-12-12 11:07:00; 1 stop(s) via MSP; 424 minutes. Local airport times.
    • DL1597: STL 2026-12-12 06:03:00 → MSP 2026-12-12 07:43:00; layover at MSP: 62 minutes.
    • DL2078: MSP 2026-12-12 08:45:00 → SFO 2026-12-12 11:07:00.

2026-12-02 → 2026-12-12 · $400.00

  • United Airlines UA6046: SFO 2026-12-02 10:13:00 → STL 2026-12-02 16:26:00; nonstop; 253 minutes. Local airport times.
  • United Airlines UA214: STL 2026-12-12 19:05:00 → SFO 2026-12-12 21:41:00; nonstop; 276 minutes. Local airport times.

2026-12-02 → 2026-12-12 · $325.00

  • Southwest Airlines WN3850 / WN709: SFO 2026-12-02 05:05:00 → STL 2026-12-02 13:00:00; 1 stop(s) via PHX; 355 minutes. Local airport times.
    • WN3850: SFO 2026-12-02 05:05:00 → PHX 2026-12-02 08:00:00; layover at PHX: 70 minutes.
    • WN709: PHX 2026-12-02 09:10:00 → STL 2026-12-02 13:00:00.
  • Southwest Airlines WN4751: STL 2026-12-12 08:00:00 → SFO 2026-12-12 10:20:00; nonstop; 260 minutes. Local airport times.

2026-12-02 → 2026-12-12 · $325.00

  • Southwest Airlines WN4578 / WN1807: SFO 2026-12-02 06:00:00 → STL 2026-12-02 13:30:00; 1 stop(s) via DEN; 330 minutes. Local airport times.
    • WN4578: SFO 2026-12-02 06:00:00 → DEN 2026-12-02 09:30:00; layover at DEN: 60 minutes.
    • WN1807: DEN 2026-12-02 10:30:00 → STL 2026-12-02 13:30:00.
  • Southwest Airlines WN4751: STL 2026-12-12 08:00:00 → SFO 2026-12-12 10:20:00; nonstop; 260 minutes. Local airport times.

2026-12-02 → 2026-12-12 · $325.00

  • Southwest Airlines WN2989: SFO 2026-12-02 11:15:00 → STL 2026-12-02 17:10:00; nonstop; 235 minutes. Local airport times.
  • Southwest Airlines WN4452 / WN4955: STL 2026-12-12 07:55:00 → SFO 2026-12-12 12:50:00; 1 stop(s) via SAN; 415 minutes. Local airport times.
    • WN4452: STL 2026-12-12 07:55:00 → SAN 2026-12-12 09:50:00; layover at SAN: 80 minutes.
    • WN4955: SAN 2026-12-12 11:10:00 → SFO 2026-12-12 12:50:00.

More dates for this route