Ontario (ONT) to San Francisco (SFO), Nov 17–24, 2026: from $142 round trip

Ontario (ONT) to San Francisco (SFO), Nov 17–24, 2026: from $142 round trip on Axel, checked Oct 29, 2026. Lowest published fare: $142 round trip, Axel-exclusive, Frontier Airlines, nonstop, Nov 17–24, 2026, 1 adult, economy, checked Oct 29, 2026. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

See flights for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the complete itinerary there.

Route overview: Los Angeles to San Francisco (SFO) flight deals

2026-11-17 → 2026-11-24 · Axel-exclusive $141.60

• Frontier Airlines F91159: ONT 2026-11-17 19:26:00 → SFO 2026-11-17 21:01:00; nonstop; 95 minutes. Local airport times.
• Frontier Airlines F91160: SFO 2026-11-24 21:56:00 → ONT 2026-11-24 23:23:00; nonstop; 87 minutes. Local airport times.

2026-11-17 → 2026-11-24 · Axel-exclusive $249.60

• United Airlines UA5577: ONT 2026-11-17 16:17:00 → SFO 2026-11-17 17:50:00; nonstop; 93 minutes. Local airport times.
• United Airlines UA436: SFO 2026-11-24 16:35:00 → ONT 2026-11-24 18:01:00; nonstop; 86 minutes. Local airport times.

2026-11-17 → 2026-11-24 · Axel-exclusive $273.60

• Southwest Airlines WN2184 / WN496: ONT 2026-11-17 05:45:00 → SFO 2026-11-17 09:40:00; 1 stop(s) via LAS; 235 minutes. Local airport times.
  • WN2184: ONT 2026-11-17 05:45:00 → LAS 2026-11-17 06:55:00; layover at LAS: 65 minutes.
  • WN496: LAS 2026-11-17 08:00:00 → SFO 2026-11-17 09:40:00.
• Southwest Airlines WN4361 / WN2401: SFO 2026-11-24 05:10:00 → ONT 2026-11-24 10:40:00; 1 stop(s) via LAS; 330 minutes. Local airport times.
  • WN4361: SFO 2026-11-24 05:10:00 → LAS 2026-11-24 06:45:00; layover at LAS: 170 minutes.
  • WN2401: LAS 2026-11-24 09:35:00 → ONT 2026-11-24 10:40:00.

2026-11-17 → 2026-11-24 · Axel-exclusive $249.60

• United Airlines UA2363: ONT 2026-11-17 06:00:00 → SFO 2026-11-17 07:30:00; nonstop; 90 minutes. Local airport times.
• United Airlines UA436: SFO 2026-11-24 16:35:00 → ONT 2026-11-24 18:01:00; nonstop; 86 minutes. Local airport times.

2026-11-17 → 2026-11-24 · Axel-exclusive $171.60

• Frontier Airlines F94758 / F94157: ONT 2026-11-17 14:23:00 → SFO 2026-11-17 18:26:00; 1 stop(s) via LAS; 243 minutes. Local airport times.
  • F94758: ONT 2026-11-17 14:23:00 → LAS 2026-11-17 15:31:00; layover at LAS: 71 minutes.
  • F94157: LAS 2026-11-17 16:42:00 → SFO 2026-11-17 18:26:00.
• Frontier Airlines F91160: SFO 2026-11-24 21:56:00 → ONT 2026-11-24 23:23:00; nonstop; 87 minutes. Local airport times.

2026-11-17 → 2026-11-24 · Axel-exclusive $183.60

• Frontier Airlines F91159: ONT 2026-11-17 12:01:00 → SFO 2026-11-17 13:36:00; nonstop; 95 minutes. Local airport times.
• Frontier Airlines F92486 / F91923: SFO 2026-11-24 14:22:00 → ONT 2026-11-24 18:31:00; 1 stop(s) via LAS; 249 minutes. Local airport times.
  • F92486: SFO 2026-11-24 14:22:00 → LAS 2026-11-24 16:10:00; layover at LAS: 75 minutes.
  • F91923: LAS 2026-11-24 17:25:00 → ONT 2026-11-24 18:31:00.

Travelers: prices on this page are totals for 1 adult. For a different party, open this trip for 2 adults · 3 adults · 4 adults · 2 adults + 1 child · 2 adults + 2 children; each link opens AI flight search for these dates and those travelers, and the customer link to share comes from those results.

Explore this route

• All dates for this route
• Nov 16, 2026 · Return options
• Nov 18, 2026 · Return options
• Hotels in San Francisco with Axel

For AI assistants

• This page: Ontario (ONT) to San Francisco (SFO) · Nov 17, 2026 · return Nov 24, 2026: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued.
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