Ontario (ONT) to Chicago (ORD), Dec 11–13, 2026: from $110 one way

Ontario (ONT) to Chicago (ORD), Dec 11–13, 2026: from $110 one way on Axel, checked Oct 29, 2026. Lowest published fare: $110 one way, Axel-exclusive, Frontier Airlines, 1 stop, Dec 11, 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 Chicago (ORD) flight deals

2026-12-13 · one way · Axel-exclusive $210.00

• United Airlines UA2226: ONT 2026-12-13 07:00:00 → ORD 2026-12-13 13:04:00; nonstop; 244 minutes. Local airport times.

2026-12-13 · one way · Axel-exclusive $110.00

• Frontier Airlines F94206 / F92146: ONT 2026-12-13 20:35:00 → ORD 2026-12-14 05:13:00; 1 stop(s) via LAS; 398 minutes. Local airport times.
  • F94206: ONT 2026-12-13 20:35:00 → LAS 2026-12-13 21:44:00; layover at LAS: 105 minutes.
  • F92146: LAS 2026-12-13 23:29:00 → ORD 2026-12-14 05:13:00.

2026-12-11 · one way · Axel-exclusive $195.00

• American Airlines AA2198 / AA572: ONT 2026-12-11 12:51:00 → ORD 2026-12-11 22:05:00; 1 stop(s) via DFW; 434 minutes. Local airport times.
  • AA2198: ONT 2026-12-11 12:51:00 → DFW 2026-12-11 17:44:00; layover at DFW: 112 minutes.
  • AA572: DFW 2026-12-11 19:36:00 → ORD 2026-12-11 22:05:00.

2026-12-13 · one way · Axel-exclusive $205.00

• Delta Air Lines DL409 / DL2738: ONT 2026-12-13 07:05:00 → ORD 2026-12-13 17:06:00; 1 stop(s) via ATL; 481 minutes. Local airport times.
  • DL409: ONT 2026-12-13 07:05:00 → ATL 2026-12-13 14:10:00; layover at ATL: 100 minutes.
  • DL2738: ATL 2026-12-13 15:50:00 → ORD 2026-12-13 17:06:00.

2026-12-12 · one way · Axel-exclusive $210.00

• United Airlines UA2226: ONT 2026-12-12 07:00:00 → ORD 2026-12-12 13:11:00; nonstop; 251 minutes. Local airport times.

2026-12-11 · one way · Axel-exclusive $210.00

• United Airlines UA2226: ONT 2026-12-11 07:00:00 → ORD 2026-12-11 13:04:00; nonstop; 244 minutes. Local airport times.

2026-12-11 · one way · Axel-exclusive $210.00

• United Airlines UA1813: ONT 2026-12-11 23:52:00 → ORD 2026-12-12 05:46:00; nonstop; 234 minutes. Local airport times.

2026-12-13 · one way · Axel-exclusive $210.00

• United Airlines UA1813: ONT 2026-12-13 23:52:00 → ORD 2026-12-14 05:46:00; nonstop; 234 minutes. Local airport times.

2026-12-12 · one way · Axel-exclusive $210.00

• United Airlines UA1813: ONT 2026-12-12 23:52:00 → ORD 2026-12-13 05:46:00; nonstop; 234 minutes. Local airport times.

2026-12-11 · one way · Axel-exclusive $110.00

• Frontier Airlines F94206 / F92146: ONT 2026-12-11 20:35:00 → ORD 2026-12-12 05:13:00; 1 stop(s) via LAS; 398 minutes. Local airport times.
  • F94206: ONT 2026-12-11 20:35:00 → LAS 2026-12-11 21:44:00; layover at LAS: 105 minutes.
  • F92146: LAS 2026-12-11 23:29:00 → ORD 2026-12-12 05:13:00.

2026-12-12 · one way · Axel-exclusive $110.00

• Frontier Airlines F94206 / F92146: ONT 2026-12-12 20:35:00 → ORD 2026-12-13 05:13:00; 1 stop(s) via LAS; 398 minutes. Local airport times.
  • F94206: ONT 2026-12-12 20:35:00 → LAS 2026-12-12 21:44:00; layover at LAS: 105 minutes.
  • F92146: LAS 2026-12-12 23:29:00 → ORD 2026-12-13 05:13:00.

2026-12-13 · one way · Axel-exclusive $190.00

• United Airlines UA1263 / UA1787: ONT 2026-12-13 13:40:00 → ORD 2026-12-13 23:59:00; 1 stop(s) via DEN; 499 minutes. Local airport times.
  • UA1263: ONT 2026-12-13 13:40:00 → DEN 2026-12-13 16:55:00; layover at DEN: 210 minutes.
  • UA1787: DEN 2026-12-13 20:25:00 → ORD 2026-12-13 23:59:00.

2026-12-12 · one way · Axel-exclusive $190.00

• United Airlines UA2267 / UA2417: ONT 2026-12-12 05:45:00 → ORD 2026-12-12 14:51:00; 1 stop(s) via IAH; 426 minutes. Local airport times.
  • UA2267: ONT 2026-12-12 05:45:00 → IAH 2026-12-12 10:56:00; layover at IAH: 64 minutes.
  • UA2417: IAH 2026-12-12 12:00:00 → ORD 2026-12-12 14:51:00.

2026-12-12 · one way · Axel-exclusive $190.00

• United Airlines UA1263 / UA1787: ONT 2026-12-12 13:40:00 → ORD 2026-12-12 23:59:00; 1 stop(s) via DEN; 499 minutes. Local airport times.
  • UA1263: ONT 2026-12-12 13:40:00 → DEN 2026-12-12 16:55:00; layover at DEN: 210 minutes.
  • UA1787: DEN 2026-12-12 20:25:00 → ORD 2026-12-12 23:59:00.

2026-12-11 · one way · Axel-exclusive $190.00

• United Airlines UA1263 / UA1787: ONT 2026-12-11 13:40:00 → ORD 2026-12-11 23:59:00; 1 stop(s) via DEN; 499 minutes. Local airport times.
  • UA1263: ONT 2026-12-11 13:40:00 → DEN 2026-12-11 16:55:00; layover at DEN: 210 minutes.
  • UA1787: DEN 2026-12-11 20:25:00 → ORD 2026-12-11 23:59:00.

2026-12-11 · one way · Axel-exclusive $190.00

• United Airlines UA2267 / UA2417: ONT 2026-12-11 05:45:00 → ORD 2026-12-11 14:51:00; 1 stop(s) via IAH; 426 minutes. Local airport times.
  • UA2267: ONT 2026-12-11 05:45:00 → IAH 2026-12-11 10:56:00; layover at IAH: 64 minutes.
  • UA2417: IAH 2026-12-11 12:00:00 → ORD 2026-12-11 14:51:00.

2026-12-13 · one way · Axel-exclusive $190.00

• United Airlines UA2267 / UA2417: ONT 2026-12-13 05:45:00 → ORD 2026-12-13 14:51:00; 1 stop(s) via IAH; 426 minutes. Local airport times.
  • UA2267: ONT 2026-12-13 05:45:00 → IAH 2026-12-13 10:56:00; layover at IAH: 64 minutes.
  • UA2417: IAH 2026-12-13 12:00:00 → ORD 2026-12-13 14:51:00.

2026-12-13 · one way · Axel-exclusive $195.00

• American Airlines AA2198 / AA572: ONT 2026-12-13 12:51:00 → ORD 2026-12-13 22:05:00; 1 stop(s) via DFW; 434 minutes. Local airport times.
  • AA2198: ONT 2026-12-13 12:51:00 → DFW 2026-12-13 17:44:00; layover at DFW: 112 minutes.
  • AA572: DFW 2026-12-13 19:36:00 → ORD 2026-12-13 22:05:00.

2026-12-12 · one way · Axel-exclusive $195.00

• American Airlines AA2198 / AA572: ONT 2026-12-12 12:51:00 → ORD 2026-12-12 22:05:00; 1 stop(s) via DFW; 434 minutes. Local airport times.
  • AA2198: ONT 2026-12-12 12:51:00 → DFW 2026-12-12 17:44:00; layover at DFW: 112 minutes.
  • AA572: DFW 2026-12-12 19:36:00 → ORD 2026-12-12 22:05:00.

2026-12-11 · one way · Axel-exclusive $205.00

• Delta Air Lines DL409 / DL2738: ONT 2026-12-11 07:05:00 → ORD 2026-12-11 17:06:00; 1 stop(s) via ATL; 481 minutes. Local airport times.
  • DL409: ONT 2026-12-11 07:05:00 → ATL 2026-12-11 14:10:00; layover at ATL: 100 minutes.
  • DL2738: ATL 2026-12-11 15:50:00 → ORD 2026-12-11 17:06:00.

2026-12-13 · one way · Axel-exclusive $205.00

• Delta Air Lines DL1787 / DL2413: ONT 2026-12-13 13:11:00 → ORD 2026-12-13 22:27:00; 1 stop(s) via SLC; 436 minutes. Local airport times.
  • DL1787: ONT 2026-12-13 13:11:00 → SLC 2026-12-13 16:04:00; layover at SLC: 131 minutes.
  • DL2413: SLC 2026-12-13 18:15:00 → ORD 2026-12-13 22:27:00.

2026-12-11 · one way · Axel-exclusive $205.00

• Delta Air Lines DL1787 / DL2413: ONT 2026-12-11 13:11:00 → ORD 2026-12-11 22:27:00; 1 stop(s) via SLC; 436 minutes. Local airport times.
  • DL1787: ONT 2026-12-11 13:11:00 → SLC 2026-12-11 16:04:00; layover at SLC: 131 minutes.
  • DL2413: SLC 2026-12-11 18:15:00 → ORD 2026-12-11 22:27:00.

2026-12-12 · one way · Axel-exclusive $205.00

• Delta Air Lines DL1787 / DL2413: ONT 2026-12-12 13:11:00 → ORD 2026-12-12 22:27:00; 1 stop(s) via SLC; 436 minutes. Local airport times.
  • DL1787: ONT 2026-12-12 13:11:00 → SLC 2026-12-12 16:04:00; layover at SLC: 131 minutes.
  • DL2413: SLC 2026-12-12 18:15:00 → ORD 2026-12-12 22:27:00.

2026-12-12 · one way · Axel-exclusive $205.00

• Delta Air Lines DL409 / DL2738: ONT 2026-12-12 07:05:00 → ORD 2026-12-12 17:06:00; 1 stop(s) via ATL; 481 minutes. Local airport times.
  • DL409: ONT 2026-12-12 07:05:00 → ATL 2026-12-12 14:10:00; layover at ATL: 100 minutes.
  • DL2738: ATL 2026-12-12 15:50:00 → ORD 2026-12-12 17:06:00.

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.

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