Houston (IAH) to Denver (DEN), Dec 25–27, 2026: from $91 one way

Houston (IAH) to Denver (DEN), Dec 25–27, 2026: from $91 one way on Axel, checked Oct 29, 2026. Lowest published fare: $91 one way, Axel-exclusive, Frontier Airlines, nonstop, Dec 25, 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: Houston to Denver (DEN) flight deals

2026-12-27 · one way · Axel-exclusive $91.00

• Frontier Airlines F92995: IAH 2026-12-27 22:59:00 → DEN 2026-12-28 00:44:00; nonstop; 165 minutes. Local airport times.

2026-12-25 · one way · Axel-exclusive $231.00

• United Airlines UA2767: IAH 2026-12-25 14:37:00 → DEN 2026-12-25 16:17:00; nonstop; 160 minutes. Local airport times.

2026-12-27 · one way · Axel-exclusive $231.00

• American Airlines AA2551 / AA2357: IAH 2026-12-27 06:00:00 → DEN 2026-12-27 09:49:00; 1 stop(s) via DFW; 289 minutes. Local airport times.
  • AA2551: IAH 2026-12-27 06:00:00 → DFW 2026-12-27 07:33:00; layover at DFW: 61 minutes.
  • AA2357: DFW 2026-12-27 08:34:00 → DEN 2026-12-27 09:49:00.

2026-12-26 · one way · Axel-exclusive $91.00

• Frontier Airlines F92995: IAH 2026-12-26 22:59:00 → DEN 2026-12-27 00:44:00; nonstop; 165 minutes. Local airport times.

2026-12-26 · one way · Axel-exclusive $91.00

• Frontier Airlines F93229: IAH 2026-12-26 06:26:00 → DEN 2026-12-26 08:05:00; nonstop; 159 minutes. Local airport times.

2026-12-25 · one way · Axel-exclusive $91.00

• Frontier Airlines F92995: IAH 2026-12-25 20:40:00 → DEN 2026-12-25 22:31:00; nonstop; 171 minutes. Local airport times.

2026-12-27 · one way · Axel-exclusive $91.00

• Frontier Airlines F93229: IAH 2026-12-27 06:26:00 → DEN 2026-12-27 08:05:00; nonstop; 159 minutes. Local airport times.

2026-12-25 · one way · Axel-exclusive $91.00

• Frontier Airlines F93229: IAH 2026-12-25 06:26:00 → DEN 2026-12-25 08:05:00; nonstop; 159 minutes. Local airport times.

2026-12-26 · one way · Axel-exclusive $231.00

• United Airlines UA2767: IAH 2026-12-26 14:37:00 → DEN 2026-12-26 16:17:00; nonstop; 160 minutes. Local airport times.

2026-12-25 · one way · Axel-exclusive $231.00

• United Airlines UA685: IAH 2026-12-25 20:31:00 → DEN 2026-12-25 22:16:00; nonstop; 165 minutes. Local airport times.

2026-12-27 · one way · Axel-exclusive $231.00

• United Airlines UA685: IAH 2026-12-27 20:31:00 → DEN 2026-12-27 22:16:00; nonstop; 165 minutes. Local airport times.

2026-12-27 · one way · Axel-exclusive $231.00

• United Airlines UA2767: IAH 2026-12-27 14:37:00 → DEN 2026-12-27 16:17:00; nonstop; 160 minutes. Local airport times.

2026-12-26 · one way · Axel-exclusive $231.00

• United Airlines UA2747: IAH 2026-12-26 08:30:00 → DEN 2026-12-26 10:11:00; nonstop; 161 minutes. Local airport times.

2026-12-25 · one way · Axel-exclusive $217.00

• United Airlines UA5814 / UA5774: IAH 2026-12-25 09:50:00 → DEN 2026-12-25 14:17:00; 1 stop(s) via ASE; 327 minutes. Local airport times.
  • UA5814: IAH 2026-12-25 09:50:00 → ASE 2026-12-25 12:06:00; layover at ASE: 64 minutes.
  • UA5774: ASE 2026-12-25 13:10:00 → DEN 2026-12-25 14:17:00.

2026-12-27 · one way · Axel-exclusive $217.00

• United Airlines UA4078 / UA1824: IAH 2026-12-27 09:48:00 → DEN 2026-12-27 14:20:00; 1 stop(s) via COS; 332 minutes. Local airport times.
  • UA4078: IAH 2026-12-27 09:48:00 → COS 2026-12-27 11:19:00; layover at COS: 121 minutes.
  • UA1824: COS 2026-12-27 13:20:00 → DEN 2026-12-27 14:20:00.

2026-12-27 · one way · Axel-exclusive $217.00

• United Airlines UA4056 / UA5472: IAH 2026-12-27 14:30:00 → DEN 2026-12-27 18:23:00; 1 stop(s) via MAF; 293 minutes. Local airport times.
  • UA4056: IAH 2026-12-27 14:30:00 → MAF 2026-12-27 16:07:00; layover at MAF: 75 minutes.
  • UA5472: MAF 2026-12-27 17:22:00 → DEN 2026-12-27 18:23:00.

2026-12-26 · one way · Axel-exclusive $217.00

• United Airlines UA491 / UA631: IAH 2026-12-26 07:30:00 → DEN 2026-12-26 12:07:00; 1 stop(s) via MSY; 337 minutes. Local airport times.
  • UA491: IAH 2026-12-26 07:30:00 → MSY 2026-12-26 08:43:00; layover at MSY: 82 minutes.
  • UA631: MSY 2026-12-26 10:05:00 → DEN 2026-12-26 12:07:00.

2026-12-26 · one way · Axel-exclusive $217.00

• United Airlines UA4078 / UA1824: IAH 2026-12-26 09:48:00 → DEN 2026-12-26 14:20:00; 1 stop(s) via COS; 332 minutes. Local airport times.
  • UA4078: IAH 2026-12-26 09:48:00 → COS 2026-12-26 11:19:00; layover at COS: 121 minutes.
  • UA1824: COS 2026-12-26 13:20:00 → DEN 2026-12-26 14:20:00.

2026-12-25 · one way · Axel-exclusive $217.00

• United Airlines UA4078 / UA1824: IAH 2026-12-25 09:48:00 → DEN 2026-12-25 14:20:00; 1 stop(s) via COS; 332 minutes. Local airport times.
  • UA4078: IAH 2026-12-25 09:48:00 → COS 2026-12-25 11:19:00; layover at COS: 121 minutes.
  • UA1824: COS 2026-12-25 13:20:00 → DEN 2026-12-25 14:20:00.

2026-12-26 · one way · Axel-exclusive $217.00

• United Airlines UA5814 / UA5774: IAH 2026-12-26 09:50:00 → DEN 2026-12-26 14:17:00; 1 stop(s) via ASE; 327 minutes. Local airport times.
  • UA5814: IAH 2026-12-26 09:50:00 → ASE 2026-12-26 12:06:00; layover at ASE: 64 minutes.
  • UA5774: ASE 2026-12-26 13:10:00 → DEN 2026-12-26 14:17:00.

2026-12-27 · one way · Axel-exclusive $217.00

• United Airlines UA491 / UA631: IAH 2026-12-27 07:30:00 → DEN 2026-12-27 12:07:00; 1 stop(s) via MSY; 337 minutes. Local airport times.
  • UA491: IAH 2026-12-27 07:30:00 → MSY 2026-12-27 08:43:00; layover at MSY: 82 minutes.
  • UA631: MSY 2026-12-27 10:05:00 → DEN 2026-12-27 12:07:00.

2026-12-25 · one way · Axel-exclusive $217.00

• United Airlines UA491 / UA631: IAH 2026-12-25 07:30:00 → DEN 2026-12-25 12:07:00; 1 stop(s) via MSY; 337 minutes. Local airport times.
  • UA491: IAH 2026-12-25 07:30:00 → MSY 2026-12-25 08:43:00; layover at MSY: 82 minutes.
  • UA631: MSY 2026-12-25 10:05:00 → DEN 2026-12-25 12:07:00.

2026-12-27 · one way · Axel-exclusive $217.00

• United Airlines UA5814 / UA5774: IAH 2026-12-27 09:50:00 → DEN 2026-12-27 14:17:00; 1 stop(s) via ASE; 327 minutes. Local airport times.
  • UA5814: IAH 2026-12-27 09:50:00 → ASE 2026-12-27 12:06:00; layover at ASE: 64 minutes.
  • UA5774: ASE 2026-12-27 13:10:00 → DEN 2026-12-27 14:17:00.

2026-12-26 · one way · Axel-exclusive $217.00

• United Airlines UA4056 / UA5472: IAH 2026-12-26 14:30:00 → DEN 2026-12-26 18:23:00; 1 stop(s) via MAF; 293 minutes. Local airport times.
  • UA4056: IAH 2026-12-26 14:30:00 → MAF 2026-12-26 16:07:00; layover at MAF: 75 minutes.
  • UA5472: MAF 2026-12-26 17:22:00 → DEN 2026-12-26 18:23:00.

2026-12-27 · one way · Axel-exclusive $217.00

• United Airlines UA4278 / UA5813: IAH 2026-12-27 09:46:00 → DEN 2026-12-27 13:35:00; 1 stop(s) via ICT; 289 minutes. Local airport times.
  • UA4278: IAH 2026-12-27 09:46:00 → ICT 2026-12-27 11:40:00; layover at ICT: 72 minutes.
  • UA5813: ICT 2026-12-27 12:52:00 → DEN 2026-12-27 13:35:00.

2026-12-25 · one way · Axel-exclusive $217.00

• United Airlines UA4278 / UA5813: IAH 2026-12-25 09:46:00 → DEN 2026-12-25 13:35:00; 1 stop(s) via ICT; 289 minutes. Local airport times.
  • UA4278: IAH 2026-12-25 09:46:00 → ICT 2026-12-25 11:40:00; layover at ICT: 72 minutes.
  • UA5813: ICT 2026-12-25 12:52:00 → DEN 2026-12-25 13:35:00.

2026-12-25 · one way · Axel-exclusive $217.00

• United Airlines UA4056 / UA5472: IAH 2026-12-25 14:30:00 → DEN 2026-12-25 18:23:00; 1 stop(s) via MAF; 293 minutes. Local airport times.
  • UA4056: IAH 2026-12-25 14:30:00 → MAF 2026-12-25 16:07:00; layover at MAF: 75 minutes.
  • UA5472: MAF 2026-12-25 17:22:00 → DEN 2026-12-25 18:23:00.

2026-12-26 · one way · Axel-exclusive $217.00

• United Airlines UA4278 / UA5813: IAH 2026-12-26 09:46:00 → DEN 2026-12-26 13:35:00; 1 stop(s) via ICT; 289 minutes. Local airport times.
  • UA4278: IAH 2026-12-26 09:46:00 → ICT 2026-12-26 11:40:00; layover at ICT: 72 minutes.
  • UA5813: ICT 2026-12-26 12:52:00 → DEN 2026-12-26 13:35:00.

2026-12-26 · one way · Axel-exclusive $231.00

• American Airlines AA2551 / AA2357: IAH 2026-12-26 06:00:00 → DEN 2026-12-26 09:49:00; 1 stop(s) via DFW; 289 minutes. Local airport times.
  • AA2551: IAH 2026-12-26 06:00:00 → DFW 2026-12-26 07:33:00; layover at DFW: 61 minutes.
  • AA2357: DFW 2026-12-26 08:34:00 → DEN 2026-12-26 09:49:00.

2026-12-25 · one way · Axel-exclusive $231.00

• American Airlines AA2551 / AA2357: IAH 2026-12-25 06:00:00 → DEN 2026-12-25 09:49:00; 1 stop(s) via DFW; 289 minutes. Local airport times.
  • AA2551: IAH 2026-12-25 06:00:00 → DFW 2026-12-25 07:33:00; layover at DFW: 61 minutes.
  • AA2357: DFW 2026-12-25 08:34:00 → DEN 2026-12-25 09:49:00.

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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