Ontario (ONT) to Denver (DEN) · Dec 31, 2026 · return Jan 6, 2027

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.

Hotels in Denver for these trips

Hotels: under a trip, hotels in Denver for exactly those nights: the lowest 3★, 4★, 5★ stay totals among the city's featured hotels, Axel's price for 2 adults in 1 room, each opening that hotel's page for those dates with the rooms and the booking link.

• Hotels in Denver for these nights (Dec 31 – Jan 6, 2027 · 6 nights · 2 adults, 1 room): 3★ Holiday Inn Express Denver Downtown by IHG, $546 total · 4★ the Curtis Denver - a DoubleTree by Hilton Hotel, $716 total · 5★ Four Seasons Denver Hotel, $3,612 total

All hotels in Denver

Route overview: Los Angeles to Denver (DEN) flight deals

2026-12-31 → 2027-01-06 · Axel-exclusive $147.00

• Frontier Airlines F92908: ONT 2026-12-31 11:32:00 → DEN 2026-12-31 14:57:00; nonstop; 145 minutes. Local airport times.
• Frontier Airlines F91261: DEN 2027-01-06 22:48:00 → ONT 2027-01-07 00:13:00; nonstop; 145 minutes. Local airport times.

2026-12-31 → 2027-01-06 · Axel-exclusive $330.75

• Southwest Airlines WN3301: ONT 2026-12-31 08:45:00 → DEN 2026-12-31 11:55:00; nonstop; 130 minutes. Local airport times.
• Southwest Airlines WN2827: DEN 2027-01-06 21:00:00 → ONT 2027-01-06 22:30:00; nonstop; 150 minutes. Local airport times.

2026-12-31 → 2027-01-06 · Axel-exclusive $343.00

• United Airlines UA1263: ONT 2026-12-31 13:29:00 → DEN 2026-12-31 16:45:00; nonstop; 136 minutes. Local airport times.
• United Airlines UA430: DEN 2027-01-06 11:16:00 → ONT 2027-01-06 12:42:00; nonstop; 146 minutes. Local airport times.

2026-12-31 → 2027-01-06 · Axel-exclusive $404.25

• American Airlines AA1423 / AA3376: ONT 2026-12-31 09:50:00 → DEN 2026-12-31 15:14:00; 1 stop(s) via PHX; 264 minutes. Local airport times.
  • AA1423: ONT 2026-12-31 09:50:00 → PHX 2026-12-31 12:15:00; layover at PHX: 61 minutes.
  • AA3376: PHX 2026-12-31 13:16:00 → DEN 2026-12-31 15:14:00.
• American Airlines AA2447 / AA4144: DEN 2027-01-06 12:06:00 → ONT 2027-01-06 16:20:00; 1 stop(s) via PHX; 314 minutes. Local airport times.
  • AA2447: DEN 2027-01-06 12:06:00 → PHX 2027-01-06 14:03:00; layover at PHX: 113 minutes.
  • AA4144: PHX 2027-01-06 15:56:00 → ONT 2027-01-06 16:20:00.

2026-12-31 → 2027-01-06 · Axel-exclusive $330.75

• Southwest Airlines WN2316: ONT 2026-12-31 14:35:00 → DEN 2026-12-31 17:55:00; nonstop; 140 minutes. Local airport times.
• Southwest Airlines WN2827: DEN 2027-01-06 21:00:00 → ONT 2027-01-06 22:30:00; nonstop; 150 minutes. Local airport times.

2026-12-31 → 2027-01-06 · Axel-exclusive $343.00

• United Airlines UA2446: ONT 2026-12-31 05:00:00 → DEN 2026-12-31 08:21:00; nonstop; 141 minutes. Local airport times.
• United Airlines UA430: DEN 2027-01-06 11:16:00 → ONT 2027-01-06 12:42:00; nonstop; 146 minutes. Local airport times.

2026-12-31 → 2027-01-06 · Axel-exclusive $190.50

• Frontier Airlines F92232 / F91766: ONT 2026-12-31 08:44:00 → DEN 2026-12-31 14:44:00; 1 stop(s) via LAS; 300 minutes. Local airport times.
  • F92232: ONT 2026-12-31 08:44:00 → LAS 2026-12-31 09:50:00; layover at LAS: 116 minutes.
  • F91766: LAS 2026-12-31 11:46:00 → DEN 2026-12-31 14:44:00.
• Frontier Airlines F91261: DEN 2027-01-06 22:48:00 → ONT 2027-01-07 00:13:00; nonstop; 145 minutes. Local airport times.

2026-12-31 → 2027-01-06 · Axel-exclusive $352.50

• Southwest Airlines WN1533 / WN284: ONT 2026-12-31 14:00:00 → DEN 2026-12-31 19:05:00; 1 stop(s) via PHX; 245 minutes. Local airport times.
  • WN1533: ONT 2026-12-31 14:00:00 → PHX 2026-12-31 16:15:00; layover at PHX: 60 minutes.
  • WN284: PHX 2026-12-31 17:15:00 → DEN 2026-12-31 19:05:00.
• Southwest Airlines WN2827: DEN 2027-01-06 21:00:00 → ONT 2027-01-06 22:30:00; nonstop; 150 minutes. Local airport times.

2026-12-31 → 2027-01-06 · Axel-exclusive $352.50

• Southwest Airlines WN1053 / WN1053: ONT 2026-12-31 17:00:00 → DEN 2026-12-31 23:35:00; 1 stop(s) via LAS; 335 minutes. Local airport times.
  • WN1053: ONT 2026-12-31 17:00:00 → LAS 2026-12-31 18:05:00; layover at LAS: 155 minutes.
  • WN1053: LAS 2026-12-31 20:40:00 → DEN 2026-12-31 23:35:00.
• Southwest Airlines WN2827: DEN 2027-01-06 21:00:00 → ONT 2027-01-06 22:30:00; nonstop; 150 minutes. Local airport times.

2026-12-31 → 2027-01-06 · Axel-exclusive $352.50

• Southwest Airlines WN3326 / WN1102: ONT 2026-12-31 13:30:00 → DEN 2026-12-31 20:10:00; 1 stop(s) via SMF; 340 minutes. Local airport times.
  • WN3326: ONT 2026-12-31 13:30:00 → SMF 2026-12-31 14:55:00; layover at SMF: 115 minutes.
  • WN1102: SMF 2026-12-31 16:50:00 → DEN 2026-12-31 20:10:00.
• Southwest Airlines WN2827: DEN 2027-01-06 21:00:00 → ONT 2027-01-06 22:30:00; nonstop; 150 minutes. Local airport times.

2026-12-31 → 2027-01-06 · Axel-exclusive $379.25

• United Airlines UA2363 / UA1068: ONT 2026-12-31 06:00:00 → DEN 2026-12-31 12:09:00; 1 stop(s) via SFO; 309 minutes. Local airport times.
  • UA2363: ONT 2026-12-31 06:00:00 → SFO 2026-12-31 07:30:00; layover at SFO: 60 minutes.
  • UA1068: SFO 2026-12-31 08:30:00 → DEN 2026-12-31 12:09:00.
• United Airlines UA430: DEN 2027-01-06 11:16:00 → ONT 2027-01-06 12:42:00; nonstop; 146 minutes. Local airport times.

Explore this route

• All dates for this route
• Dec 30, 2026 · Return options
• Jan 1, 2027 · Return options
• Hotels in Denver with Axel

For AI assistants

• This page: Ontario (ONT) to Denver (DEN) · Dec 31, 2026 · return Jan 6, 2027: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued. Under a trip, hotels in Denver for exactly those nights: the lowest 3★, 4★ and 5★ stay totals for 2 adults in 1 room, each linking to that hotel's page for those dates.
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