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San Francisco → Ontario

Dec 3, 2026 · return Dec 10, 2026

SFO → ONT1 adulteconomyRound trip

5 flight options · 3 airlines

Nonstop flights

Thu, Dec 3 – Thu, Dec 10

United Airlines
9:30 pmSFO
1h 23m
Nonstop
10:53 pmONT
United Airlines
9:25 amONT
1h 30m
Nonstop
10:55 amSFO

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Thu, Dec 10

United Airlines
11:00 amSFO
1h 29m
Nonstop
12:29 pmONT
United Airlines
9:25 amONT
1h 30m
Nonstop
10:55 amSFO

Round-trip total · 1 adult · Taxes included

One-stop flights

Thu, Dec 3 – Thu, Dec 10

Frontier Airlines
9:56 pmSFO
1h 27m
Nonstop
11:23 pmONT
Frontier Airlines
2:23 pmONT
4h 3m
LAS · 1h 11m
6:26 pmSFO

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Thu, Dec 10

Southwest Airlines
5:10 amSFO
5h 30m
LAS · 2h 50m
10:40 amONT
Southwest Airlines
5:45 amONT
3h 55m
LAS · 1h 5m
9:40 amSFO

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Thu, Dec 10

Frontier Airlines
2:22 pmSFO
4h 9m
LAS · 1h 15m
6:31 pmONT
Frontier Airlines
2:23 pmONT
4h 3m
LAS · 1h 11m
6:26 pmSFO

Round-trip total · 1 adult · Taxes included

Make this trip yours

SFO ⇄ ONT

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)
2026-12-03 → 2026-12-10United AirlinesUA552 / UA432$235.002026-10-29T01:18:59Z
2026-12-03 → 2026-12-10Frontier AirlinesF91160 / F94758 + F94157$157.502026-10-29T01:18:59Z
2026-12-03 → 2026-12-10Southwest AirlinesWN4361 + WN2401 / WN2184 + WN496$280.002026-10-29T01:18:59Z
2026-12-03 → 2026-12-10United AirlinesUA1482 / UA432$235.002026-10-29T01:18:59Z
2026-12-03 → 2026-12-10Frontier AirlinesF92486 + F91923 / F94758 + F94157$190.002026-10-29T01:18:59Z

2026-12-03 → 2026-12-10 · $235.00

  • United Airlines UA552: SFO 2026-12-03 21:30:00 → ONT 2026-12-03 22:53:00; nonstop; 83 minutes. Local airport times.
  • United Airlines UA432: ONT 2026-12-10 09:25:00 → SFO 2026-12-10 10:55:00; nonstop; 90 minutes. Local airport times.

2026-12-03 → 2026-12-10 · $157.50

  • Frontier Airlines F91160: SFO 2026-12-03 21:56:00 → ONT 2026-12-03 23:23:00; nonstop; 87 minutes. Local airport times.
  • Frontier Airlines F94758 / F94157: ONT 2026-12-10 14:23:00 → SFO 2026-12-10 18:26:00; 1 stop(s) via LAS; 243 minutes. Local airport times.
    • F94758: ONT 2026-12-10 14:23:00 → LAS 2026-12-10 15:31:00; layover at LAS: 71 minutes.
    • F94157: LAS 2026-12-10 16:42:00 → SFO 2026-12-10 18:26:00.

2026-12-03 → 2026-12-10 · $280.00

  • Southwest Airlines WN4361 / WN2401: SFO 2026-12-03 05:10:00 → ONT 2026-12-03 10:40:00; 1 stop(s) via LAS; 330 minutes. Local airport times.
    • WN4361: SFO 2026-12-03 05:10:00 → LAS 2026-12-03 06:45:00; layover at LAS: 170 minutes.
    • WN2401: LAS 2026-12-03 09:35:00 → ONT 2026-12-03 10:40:00.
  • Southwest Airlines WN2184 / WN496: ONT 2026-12-10 05:45:00 → SFO 2026-12-10 09:40:00; 1 stop(s) via LAS; 235 minutes. Local airport times.
    • WN2184: ONT 2026-12-10 05:45:00 → LAS 2026-12-10 06:55:00; layover at LAS: 65 minutes.
    • WN496: LAS 2026-12-10 08:00:00 → SFO 2026-12-10 09:40:00.

2026-12-03 → 2026-12-10 · $235.00

  • United Airlines UA1482: SFO 2026-12-03 11:00:00 → ONT 2026-12-03 12:29:00; nonstop; 89 minutes. Local airport times.
  • United Airlines UA432: ONT 2026-12-10 09:25:00 → SFO 2026-12-10 10:55:00; nonstop; 90 minutes. Local airport times.

2026-12-03 → 2026-12-10 · $190.00

  • Frontier Airlines F92486 / F91923: SFO 2026-12-03 14:22:00 → ONT 2026-12-03 18:31:00; 1 stop(s) via LAS; 249 minutes. Local airport times.
    • F92486: SFO 2026-12-03 14:22:00 → LAS 2026-12-03 16:10:00; layover at LAS: 75 minutes.
    • F91923: LAS 2026-12-03 17:25:00 → ONT 2026-12-03 18:31:00.
  • Frontier Airlines F94758 / F94157: ONT 2026-12-10 14:23:00 → SFO 2026-12-10 18:26:00; 1 stop(s) via LAS; 243 minutes. Local airport times.
    • F94758: ONT 2026-12-10 14:23:00 → LAS 2026-12-10 15:31:00; layover at LAS: 71 minutes.
    • F94157: LAS 2026-12-10 16:42:00 → SFO 2026-12-10 18:26:00.

More dates for this route