Denver (DEN) to San Antonio (SAT), Dec 4–6, 2026: from $75 one way

Denver (DEN) to San Antonio (SAT), Dec 4–6, 2026: from $75 one way on Axel, checked Oct 29, 2026. Lowest published fare: $75 one way, Axel-exclusive, Frontier Airlines, nonstop, Dec 4, 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: Denver to San Antonio (SAT) flight deals

2026-12-05 · one way · Axel-exclusive $75.00

• Frontier Airlines F92356: DEN 2026-12-05 14:52:00 → SAT 2026-12-05 18:01:00; nonstop; 129 minutes. Local airport times.

2026-12-05 · one way · Axel-exclusive $135.00

• Southwest Airlines WN383: DEN 2026-12-05 19:10:00 → SAT 2026-12-05 22:25:00; nonstop; 135 minutes. Local airport times.

2026-12-06 · one way · Axel-exclusive $145.00

• United Airlines UA1521: DEN 2026-12-06 09:35:00 → SAT 2026-12-06 12:46:00; nonstop; 131 minutes. Local airport times.

2026-12-06 · one way · Axel-exclusive $155.00

• American Airlines AA1523 / AA1961: DEN 2026-12-06 09:12:00 → SAT 2026-12-06 14:50:00; 1 stop(s) via DFW; 278 minutes. Local airport times.
  • AA1523: DEN 2026-12-06 09:12:00 → DFW 2026-12-06 12:18:00; layover at DFW: 82 minutes.
  • AA1961: DFW 2026-12-06 13:40:00 → SAT 2026-12-06 14:50:00.

2026-12-04 · one way · Axel-exclusive $75.00

• Frontier Airlines F92356: DEN 2026-12-04 16:37:00 → SAT 2026-12-04 19:56:00; nonstop; 139 minutes. Local airport times.

2026-12-06 · one way · Axel-exclusive $75.00

• Frontier Airlines F92356: DEN 2026-12-06 16:52:00 → SAT 2026-12-06 20:02:00; nonstop; 130 minutes. Local airport times.

2026-12-05 · one way · Axel-exclusive $135.00

• Southwest Airlines WN295: DEN 2026-12-05 11:05:00 → SAT 2026-12-05 14:15:00; nonstop; 130 minutes. Local airport times.

2026-12-06 · one way · Axel-exclusive $135.00

• Southwest Airlines WN3026: DEN 2026-12-06 17:25:00 → SAT 2026-12-06 20:35:00; nonstop; 130 minutes. Local airport times.

2026-12-06 · one way · Axel-exclusive $135.00

• Southwest Airlines WN123: DEN 2026-12-06 10:35:00 → SAT 2026-12-06 13:45:00; nonstop; 130 minutes. Local airport times.

2026-12-04 · one way · Axel-exclusive $135.00

• Southwest Airlines WN123: DEN 2026-12-04 10:35:00 → SAT 2026-12-04 13:45:00; nonstop; 130 minutes. Local airport times.

2026-12-04 · one way · Axel-exclusive $135.00

• Southwest Airlines WN2160: DEN 2026-12-04 14:35:00 → SAT 2026-12-04 17:40:00; nonstop; 125 minutes. Local airport times.

2026-12-04 · one way · Axel-exclusive $145.00

• United Airlines UA1521: DEN 2026-12-04 09:35:00 → SAT 2026-12-04 12:46:00; nonstop; 131 minutes. Local airport times.

2026-12-05 · one way · Axel-exclusive $145.00

• United Airlines UA5323: DEN 2026-12-05 20:34:00 → SAT 2026-12-05 23:59:00; nonstop; 145 minutes. Local airport times.

2026-12-06 · one way · Axel-exclusive $145.00

• United Airlines UA2819: DEN 2026-12-06 17:25:00 → SAT 2026-12-06 20:34:00; nonstop; 129 minutes. Local airport times.

2026-12-04 · one way · Axel-exclusive $145.00

• United Airlines UA1022: DEN 2026-12-04 13:30:00 → SAT 2026-12-04 16:43:00; nonstop; 133 minutes. Local airport times.

2026-12-05 · one way · Axel-exclusive $145.00

• United Airlines UA1022: DEN 2026-12-05 13:30:00 → SAT 2026-12-05 16:43:00; nonstop; 133 minutes. Local airport times.

2026-12-04 · one way · Axel-exclusive $140.00

• Southwest Airlines WN1369 / WN802: DEN 2026-12-04 11:25:00 → SAT 2026-12-04 18:00:00; 1 stop(s) via MCI; 335 minutes. Local airport times.
  • WN1369: DEN 2026-12-04 11:25:00 → MCI 2026-12-04 14:05:00; layover at MCI: 110 minutes.
  • WN802: MCI 2026-12-04 15:55:00 → SAT 2026-12-04 18:00:00.

2026-12-06 · one way · Axel-exclusive $140.00

• Southwest Airlines WN2433 / WN4470: DEN 2026-12-06 16:40:00 → SAT 2026-12-06 23:30:00; 1 stop(s) via HOU; 350 minutes. Local airport times.
  • WN2433: DEN 2026-12-06 16:40:00 → HOU 2026-12-06 19:55:00; layover at HOU: 150 minutes.
  • WN4470: HOU 2026-12-06 22:25:00 → SAT 2026-12-06 23:30:00.

2026-12-05 · one way · Axel-exclusive $140.00

• Southwest Airlines WN1934 / WN1916: DEN 2026-12-05 08:50:00 → SAT 2026-12-05 16:30:00; 1 stop(s) via ELP; 400 minutes. Local airport times.
  • WN1934: DEN 2026-12-05 08:50:00 → ELP 2026-12-05 10:40:00; layover at ELP: 205 minutes.
  • WN1916: ELP 2026-12-05 14:05:00 → SAT 2026-12-05 16:30:00.

2026-12-05 · one way · Axel-exclusive $140.00

• Southwest Airlines WN1749 / WN1165: DEN 2026-12-05 05:35:00 → SAT 2026-12-05 13:15:00; 1 stop(s) via DAL; 400 minutes. Local airport times.
  • WN1749: DEN 2026-12-05 05:35:00 → DAL 2026-12-05 08:35:00; layover at DAL: 220 minutes.
  • WN1165: DAL 2026-12-05 12:15:00 → SAT 2026-12-05 13:15:00.

2026-12-04 · one way · Axel-exclusive $140.00

• Southwest Airlines WN2433 / WN4470: DEN 2026-12-04 16:40:00 → SAT 2026-12-04 23:30:00; 1 stop(s) via HOU; 350 minutes. Local airport times.
  • WN2433: DEN 2026-12-04 16:40:00 → HOU 2026-12-04 19:55:00; layover at HOU: 150 minutes.
  • WN4470: HOU 2026-12-04 22:25:00 → SAT 2026-12-04 23:30:00.

2026-12-06 · one way · Axel-exclusive $140.00

• Southwest Airlines WN1369 / WN802: DEN 2026-12-06 11:25:00 → SAT 2026-12-06 18:00:00; 1 stop(s) via MCI; 335 minutes. Local airport times.
  • WN1369: DEN 2026-12-06 11:25:00 → MCI 2026-12-06 14:05:00; layover at MCI: 110 minutes.
  • WN802: MCI 2026-12-06 15:55:00 → SAT 2026-12-06 18:00:00.

2026-12-06 · one way · Axel-exclusive $140.00

• Southwest Airlines WN1934 / WN1916: DEN 2026-12-06 08:50:00 → SAT 2026-12-06 16:30:00; 1 stop(s) via ELP; 400 minutes. Local airport times.
  • WN1934: DEN 2026-12-06 08:50:00 → ELP 2026-12-06 10:40:00; layover at ELP: 205 minutes.
  • WN1916: ELP 2026-12-06 14:05:00 → SAT 2026-12-06 16:30:00.

2026-12-04 · one way · Axel-exclusive $140.00

• Southwest Airlines WN1749 / WN1165: DEN 2026-12-04 05:35:00 → SAT 2026-12-04 13:15:00; 1 stop(s) via DAL; 400 minutes. Local airport times.
  • WN1749: DEN 2026-12-04 05:35:00 → DAL 2026-12-04 08:35:00; layover at DAL: 220 minutes.
  • WN1165: DAL 2026-12-04 12:15:00 → SAT 2026-12-04 13:15:00.

2026-12-06 · one way · Axel-exclusive $140.00

• Southwest Airlines WN1749 / WN1165: DEN 2026-12-06 05:35:00 → SAT 2026-12-06 13:15:00; 1 stop(s) via DAL; 400 minutes. Local airport times.
  • WN1749: DEN 2026-12-06 05:35:00 → DAL 2026-12-06 08:35:00; layover at DAL: 220 minutes.
  • WN1165: DAL 2026-12-06 12:15:00 → SAT 2026-12-06 13:15:00.

2026-12-04 · one way · Axel-exclusive $140.00

• Southwest Airlines WN1934 / WN1916: DEN 2026-12-04 08:50:00 → SAT 2026-12-04 16:30:00; 1 stop(s) via ELP; 400 minutes. Local airport times.
  • WN1934: DEN 2026-12-04 08:50:00 → ELP 2026-12-04 10:40:00; layover at ELP: 205 minutes.
  • WN1916: ELP 2026-12-04 14:05:00 → SAT 2026-12-04 16:30:00.

2026-12-05 · one way · Axel-exclusive $140.00

• Southwest Airlines WN1369 / WN802: DEN 2026-12-05 11:25:00 → SAT 2026-12-05 18:00:00; 1 stop(s) via MCI; 335 minutes. Local airport times.
  • WN1369: DEN 2026-12-05 11:25:00 → MCI 2026-12-05 14:05:00; layover at MCI: 110 minutes.
  • WN802: MCI 2026-12-05 15:55:00 → SAT 2026-12-05 18:00:00.

2026-12-05 · one way · Axel-exclusive $140.00

• Southwest Airlines WN2433 / WN4470: DEN 2026-12-05 16:40:00 → SAT 2026-12-05 23:30:00; 1 stop(s) via HOU; 350 minutes. Local airport times.
  • WN2433: DEN 2026-12-05 16:40:00 → HOU 2026-12-05 19:55:00; layover at HOU: 150 minutes.
  • WN4470: HOU 2026-12-05 22:25:00 → SAT 2026-12-05 23:30:00.

2026-12-06 · one way · Axel-exclusive $150.00

• United Airlines UA320 / UA468: DEN 2026-12-06 05:00:00 → SAT 2026-12-06 13:06:00; 1 stop(s) via IAH; 426 minutes. Local airport times.
  • UA320: DEN 2026-12-06 05:00:00 → IAH 2026-12-06 08:33:00; layover at IAH: 202 minutes.
  • UA468: IAH 2026-12-06 11:55:00 → SAT 2026-12-06 13:06:00.

2026-12-04 · one way · Axel-exclusive $150.00

• United Airlines UA320 / UA468: DEN 2026-12-04 05:00:00 → SAT 2026-12-04 13:06:00; 1 stop(s) via IAH; 426 minutes. Local airport times.
  • UA320: DEN 2026-12-04 05:00:00 → IAH 2026-12-04 08:33:00; layover at IAH: 202 minutes.
  • UA468: IAH 2026-12-04 11:55:00 → SAT 2026-12-04 13:06:00.

2026-12-05 · one way · Axel-exclusive $150.00

• United Airlines UA320 / UA468: DEN 2026-12-05 05:00:00 → SAT 2026-12-05 13:06:00; 1 stop(s) via IAH; 426 minutes. Local airport times.
  • UA320: DEN 2026-12-05 05:00:00 → IAH 2026-12-05 08:33:00; layover at IAH: 202 minutes.
  • UA468: IAH 2026-12-05 11:55:00 → SAT 2026-12-05 13:06:00.

2026-12-05 · one way · Axel-exclusive $155.00

• American Airlines AA1523 / AA1961: DEN 2026-12-05 09:12:00 → SAT 2026-12-05 14:50:00; 1 stop(s) via DFW; 278 minutes. Local airport times.
  • AA1523: DEN 2026-12-05 09:12:00 → DFW 2026-12-05 12:18:00; layover at DFW: 82 minutes.
  • AA1961: DFW 2026-12-05 13:40:00 → SAT 2026-12-05 14:50:00.

2026-12-04 · one way · Axel-exclusive $155.00

• American Airlines AA1523 / AA1961: DEN 2026-12-04 09:12:00 → SAT 2026-12-04 14:50:00; 1 stop(s) via DFW; 278 minutes. Local airport times.
  • AA1523: DEN 2026-12-04 09:12:00 → DFW 2026-12-04 12:18:00; layover at DFW: 82 minutes.
  • AA1961: DFW 2026-12-04 13:40:00 → SAT 2026-12-04 14:50:00.

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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