San Antonio (SAT) to Denver (DEN), Dec 11–13, 2026: from $85 one way

Lowest published fare: $85 one way, Axel-exclusive, Frontier Airlines, nonstop, 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: San Antonio to Denver (DEN) flight deals

2026-12-13 · one way · Axel-exclusive $85.00

• Frontier Airlines F92355: SAT 2026-12-13 18:47:00 → DEN 2026-12-13 20:09:00; nonstop; 142 minutes. Local airport times.

2026-12-12 · one way · Axel-exclusive $155.00

• Southwest Airlines WN3771: SAT 2026-12-12 09:40:00 → DEN 2026-12-12 10:55:00; nonstop; 135 minutes. Local airport times.

2026-12-11 · one way · Axel-exclusive $170.00

• United Airlines UA280: SAT 2026-12-11 16:57:00 → DEN 2026-12-11 18:19:00; nonstop; 142 minutes. Local airport times.

2026-12-12 · one way · Axel-exclusive $185.00

• American Airlines AA2342 / AA2357: SAT 2026-12-12 06:00:00 → DEN 2026-12-12 09:49:00; 1 stop(s) via DFW; 289 minutes. Local airport times.
  • AA2342: SAT 2026-12-12 06:00:00 → DFW 2026-12-12 07:27:00; layover at DFW: 67 minutes.
  • AA2357: DFW 2026-12-12 08:34:00 → DEN 2026-12-12 09:49:00.

2026-12-11 · one way · Axel-exclusive $85.00

• Frontier Airlines F92355: SAT 2026-12-11 20:47:00 → DEN 2026-12-11 22:10:00; nonstop; 143 minutes. Local airport times.

2026-12-12 · one way · Axel-exclusive $85.00

• Frontier Airlines F92355: SAT 2026-12-12 20:30:00 → DEN 2026-12-12 21:53:00; nonstop; 143 minutes. Local airport times.

2026-12-13 · one way · Axel-exclusive $155.00

• Southwest Airlines WN1725: SAT 2026-12-13 14:10:00 → DEN 2026-12-13 15:30:00; nonstop; 140 minutes. Local airport times.

2026-12-13 · one way · Axel-exclusive $155.00

• Southwest Airlines WN3772: SAT 2026-12-13 11:15:00 → DEN 2026-12-13 12:30:00; nonstop; 135 minutes. Local airport times.

2026-12-12 · one way · Axel-exclusive $155.00

• Southwest Airlines WN3773: SAT 2026-12-12 18:40:00 → DEN 2026-12-12 20:00:00; nonstop; 140 minutes. Local airport times.

2026-12-11 · one way · Axel-exclusive $155.00

• Southwest Airlines WN1165: SAT 2026-12-11 13:50:00 → DEN 2026-12-11 15:05:00; nonstop; 135 minutes. Local airport times.

2026-12-11 · one way · Axel-exclusive $155.00

• Southwest Airlines WN3773: SAT 2026-12-11 18:15:00 → DEN 2026-12-11 19:30:00; nonstop; 135 minutes. Local airport times.

2026-12-12 · one way · Axel-exclusive $170.00

• United Airlines UA5579: SAT 2026-12-12 05:26:00 → DEN 2026-12-12 07:00:00; nonstop; 154 minutes. Local airport times.

2026-12-11 · one way · Axel-exclusive $170.00

• United Airlines UA2853: SAT 2026-12-11 08:45:00 → DEN 2026-12-11 10:07:00; nonstop; 142 minutes. Local airport times.

2026-12-13 · one way · Axel-exclusive $170.00

• United Airlines UA2853: SAT 2026-12-13 08:45:00 → DEN 2026-12-13 10:07:00; nonstop; 142 minutes. Local airport times.

2026-12-13 · one way · Axel-exclusive $170.00

• United Airlines UA1007: SAT 2026-12-13 13:50:00 → DEN 2026-12-13 15:11:00; nonstop; 141 minutes. Local airport times.

2026-12-12 · one way · Axel-exclusive $170.00

• United Airlines UA1338: SAT 2026-12-12 13:50:00 → DEN 2026-12-12 15:10:00; nonstop; 140 minutes. Local airport times.

2026-12-11 · one way · Axel-exclusive $170.00

• Southwest Airlines WN1506 / WN200: SAT 2026-12-11 14:35:00 → DEN 2026-12-11 20:55:00; 1 stop(s) via DAL; 440 minutes. Local airport times.
  • WN1506: SAT 2026-12-11 14:35:00 → DAL 2026-12-11 15:40:00; layover at DAL: 240 minutes.
  • WN200: DAL 2026-12-11 19:40:00 → DEN 2026-12-11 20:55:00.

2026-12-13 · one way · Axel-exclusive $170.00

• Southwest Airlines WN2110 / WN2081: SAT 2026-12-13 16:35:00 → DEN 2026-12-13 22:05:00; 1 stop(s) via HOU; 390 minutes. Local airport times.
  • WN2110: SAT 2026-12-13 16:35:00 → HOU 2026-12-13 17:35:00; layover at HOU: 175 minutes.
  • WN2081: HOU 2026-12-13 20:30:00 → DEN 2026-12-13 22:05:00.

2026-12-12 · one way · Axel-exclusive $170.00

• Southwest Airlines WN1506 / WN200: SAT 2026-12-12 14:35:00 → DEN 2026-12-12 20:55:00; 1 stop(s) via DAL; 440 minutes. Local airport times.
  • WN1506: SAT 2026-12-12 14:35:00 → DAL 2026-12-12 15:40:00; layover at DAL: 240 minutes.
  • WN200: DAL 2026-12-12 19:40:00 → DEN 2026-12-12 20:55:00.

2026-12-11 · one way · Axel-exclusive $170.00

• Southwest Airlines WN3775 / WN1897: SAT 2026-12-11 13:30:00 → DEN 2026-12-11 18:15:00; 1 stop(s) via ELP; 345 minutes. Local airport times.
  • WN3775: SAT 2026-12-11 13:30:00 → ELP 2026-12-11 14:05:00; layover at ELP: 140 minutes.
  • WN1897: ELP 2026-12-11 16:25:00 → DEN 2026-12-11 18:15:00.

2026-12-12 · one way · Axel-exclusive $170.00

• Southwest Airlines WN3775 / WN1897: SAT 2026-12-12 13:30:00 → DEN 2026-12-12 18:15:00; 1 stop(s) via ELP; 345 minutes. Local airport times.
  • WN3775: SAT 2026-12-12 13:30:00 → ELP 2026-12-12 14:05:00; layover at ELP: 140 minutes.
  • WN1897: ELP 2026-12-12 16:25:00 → DEN 2026-12-12 18:15:00.

2026-12-11 · one way · Axel-exclusive $170.00

• Southwest Airlines WN2110 / WN2081: SAT 2026-12-11 16:35:00 → DEN 2026-12-11 22:05:00; 1 stop(s) via HOU; 390 minutes. Local airport times.
  • WN2110: SAT 2026-12-11 16:35:00 → HOU 2026-12-11 17:35:00; layover at HOU: 175 minutes.
  • WN2081: HOU 2026-12-11 20:30:00 → DEN 2026-12-11 22:05:00.

2026-12-13 · one way · Axel-exclusive $170.00

• Southwest Airlines WN1506 / WN200: SAT 2026-12-13 14:35:00 → DEN 2026-12-13 20:55:00; 1 stop(s) via DAL; 440 minutes. Local airport times.
  • WN1506: SAT 2026-12-13 14:35:00 → DAL 2026-12-13 15:40:00; layover at DAL: 240 minutes.
  • WN200: DAL 2026-12-13 19:40:00 → DEN 2026-12-13 20:55:00.

2026-12-13 · one way · Axel-exclusive $170.00

• Southwest Airlines WN3775 / WN1897: SAT 2026-12-13 13:30:00 → DEN 2026-12-13 18:15:00; 1 stop(s) via ELP; 345 minutes. Local airport times.
  • WN3775: SAT 2026-12-13 13:30:00 → ELP 2026-12-13 14:05:00; layover at ELP: 140 minutes.
  • WN1897: ELP 2026-12-13 16:25:00 → DEN 2026-12-13 18:15:00.

2026-12-12 · one way · Axel-exclusive $170.00

• Southwest Airlines WN2110 / WN2081: SAT 2026-12-12 16:35:00 → DEN 2026-12-12 22:05:00; 1 stop(s) via HOU; 390 minutes. Local airport times.
  • WN2110: SAT 2026-12-12 16:35:00 → HOU 2026-12-12 17:35:00; layover at HOU: 175 minutes.
  • WN2081: HOU 2026-12-12 20:30:00 → DEN 2026-12-12 22:05:00.

2026-12-13 · one way · Axel-exclusive $185.00

• United Airlines UA1066 / UA1066: SAT 2026-12-13 19:08:00 → DEN 2026-12-13 23:29:00; 1 stop(s) via IAH; 321 minutes. Local airport times.
  • UA1066: SAT 2026-12-13 19:08:00 → IAH 2026-12-13 20:15:00; layover at IAH: 95 minutes.
  • UA1066: IAH 2026-12-13 21:50:00 → DEN 2026-12-13 23:29:00.

2026-12-11 · one way · Axel-exclusive $185.00

• United Airlines UA1066 / UA1066: SAT 2026-12-11 19:08:00 → DEN 2026-12-11 23:29:00; 1 stop(s) via IAH; 321 minutes. Local airport times.
  • UA1066: SAT 2026-12-11 19:08:00 → IAH 2026-12-11 20:15:00; layover at IAH: 95 minutes.
  • UA1066: IAH 2026-12-11 21:50:00 → DEN 2026-12-11 23:29:00.

2026-12-11 · one way · Axel-exclusive $185.00

• American Airlines AA2342 / AA2357: SAT 2026-12-11 06:00:00 → DEN 2026-12-11 09:49:00; 1 stop(s) via DFW; 289 minutes. Local airport times.
  • AA2342: SAT 2026-12-11 06:00:00 → DFW 2026-12-11 07:27:00; layover at DFW: 67 minutes.
  • AA2357: DFW 2026-12-11 08:34:00 → DEN 2026-12-11 09:49:00.

2026-12-13 · one way · Axel-exclusive $185.00

• American Airlines AA2342 / AA2357: SAT 2026-12-13 06:00:00 → DEN 2026-12-13 09:49:00; 1 stop(s) via DFW; 289 minutes. Local airport times.
  • AA2342: SAT 2026-12-13 06:00:00 → DFW 2026-12-13 07:27:00; layover at DFW: 67 minutes.
  • AA2357: DFW 2026-12-13 08:34:00 → DEN 2026-12-13 09:49:00.

2026-12-12 · one way · Axel-exclusive $185.00

• United Airlines UA1066 / UA1066: SAT 2026-12-12 19:08:00 → DEN 2026-12-12 23:29:00; 1 stop(s) via IAH; 321 minutes. Local airport times.
  • UA1066: SAT 2026-12-12 19:08:00 → IAH 2026-12-12 20:15:00; layover at IAH: 95 minutes.
  • UA1066: IAH 2026-12-12 21:50:00 → DEN 2026-12-12 23:29:00.

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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