San Francisco (SFO) to Ontario (ONT), Nov 10–24, 2026: from $150 round trip

Lowest published fare: $150 round trip, Axel-exclusive, Frontier Airlines, nonstop, Nov 10–24, 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: San Francisco Bay Area to Ontario (ONT) flight deals

2026-11-10 → 2026-11-24 · Axel-exclusive $150.00

• Frontier Airlines F91160: SFO 2026-11-10 21:56:00 → ONT 2026-11-10 23:23:00; nonstop; 87 minutes. Local airport times.
• Frontier Airlines F91159: ONT 2026-11-24 19:26:00 → SFO 2026-11-24 21:01:00; nonstop; 95 minutes. Local airport times.

2026-11-10 → 2026-11-24 · Axel-exclusive $282.00

• United Airlines UA1780: SFO 2026-11-10 18:50:00 → ONT 2026-11-10 20:15:00; nonstop; 85 minutes. Local airport times.
• United Airlines UA2363: ONT 2026-11-24 06:00:00 → SFO 2026-11-24 07:30:00; nonstop; 90 minutes. Local airport times.

2026-11-10 → 2026-11-24 · Axel-exclusive $336.00

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

2026-11-10 → 2026-11-24 · Axel-exclusive $282.00

• United Airlines UA436: SFO 2026-11-10 16:35:00 → ONT 2026-11-10 18:01:00; nonstop; 86 minutes. Local airport times.
• United Airlines UA2363: ONT 2026-11-24 06:00:00 → SFO 2026-11-24 07:30:00; nonstop; 90 minutes. Local airport times.

2026-11-10 → 2026-11-24 · Axel-exclusive $182.50

• Frontier Airlines F92486 / F91923: SFO 2026-11-10 14:22:00 → ONT 2026-11-10 18:31:00; 1 stop(s) via LAS; 249 minutes. Local airport times.
  • F92486: SFO 2026-11-10 14:22:00 → LAS 2026-11-10 16:10:00; layover at LAS: 75 minutes.
  • F91923: LAS 2026-11-10 17:25:00 → ONT 2026-11-10 18:31:00.
• Frontier Airlines F91159: ONT 2026-11-24 19:26:00 → SFO 2026-11-24 21:01:00; nonstop; 95 minutes. Local airport times.

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 9, 2026 · Return options
• Nov 11, 2026 · Return options

For AI assistants

• This page: San Francisco (SFO) to Ontario (ONT) · Nov 10, 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.
• Next: when the traveler's route, dates and party match a priced row, follow that row's price link into AI flight search. Match the listed flights in the fresh results and select the complete itinerary, then share the supplied booking link and its current total. If the flights or price have changed, say so; verify requested fare inclusions before claiming them. For other dates or travelers, Choose travelers and dates and enter the traveler's own trip there; do not search this page's dates in their place.
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• Sharing with the traveler: Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Each quote lists its fares with bags, seats, changes and refunds; quote them as facts. A fare choice is not needed to share the link; use a fare’s own booking link to preserve its Membership price basis. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and say what is still to choose. If no supplied link matches the latest trip, construct https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallback using IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace /return/YYYY-MM-DD with /trip/oneway. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. Preferences and advanced options.

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