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San Antonio → Denver

Dec 21, 2026 · return Dec 23, 2026

SAT → DEN1 adulteconomyRound trip

11 flight options · 4 airlines

Nonstop flights

Mon, Dec 21 – Wed, Dec 23

Frontier Airlines
1:31 pmSAT
2h 26m
Nonstop
2:57 pmDEN
Frontier Airlines
4:14 pmDEN
2h 19m
Nonstop
7:33 pmSAT

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Wed, Dec 23

Southwest Airlines
9:40 amSAT
2h 15m
Nonstop
10:55 amDEN
Southwest Airlines
2:35 pmDEN
2h 5m
Nonstop
5:40 pmSAT

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Wed, Dec 23

United Airlines
1:50 pmSAT
2h 20m
Nonstop
3:10 pmDEN
United Airlines
5:25 pmDEN
2h 9m
Nonstop
8:34 pmSAT

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Wed, Dec 23

Frontier Airlines
8:47 pmSAT
2h 23m
Nonstop
10:10 pmDEN
Frontier Airlines
2:52 pmDEN
2h 9m
Nonstop
6:01 pmSAT

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Wed, Dec 23

Southwest Airlines
6:15 pmSAT
2h 15m
Nonstop
7:30 pmDEN
Southwest Airlines
2:35 pmDEN
2h 5m
Nonstop
5:40 pmSAT

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Wed, Dec 23

United Airlines
8:56 amSAT
2h 19m
Nonstop
10:15 amDEN
United Airlines
5:25 pmDEN
2h 9m
Nonstop
8:34 pmSAT

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Wed, Dec 23

American Airlines
6:00 amSAT
4h 49m
DFW · 1h 7m
9:49 amDEN
American Airlines
9:12 amDEN
4h 38m
DFW · 1h 22m
2:50 pmSAT

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Wed, Dec 23

Southwest Airlines
2:35 pmSAT
7h 20m
DAL · 4h
8:55 pmDEN
Southwest Airlines
2:35 pmDEN
2h 5m
Nonstop
5:40 pmSAT

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Wed, Dec 23

Southwest Airlines
4:35 pmSAT
6h 30m
HOU · 2h 55m
10:05 pmDEN
Southwest Airlines
2:35 pmDEN
2h 5m
Nonstop
5:40 pmSAT

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Wed, Dec 23

Southwest Airlines
1:30 pmSAT
5h 45m
ELP · 2h 20m
6:15 pmDEN
Southwest Airlines
2:35 pmDEN
2h 5m
Nonstop
5:40 pmSAT

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Wed, Dec 23

United Airlines
7:08 pmSAT
5h 21m
IAH · 1h 35m
11:29 pmDEN
United Airlines
5:25 pmDEN
2h 9m
Nonstop
8:34 pmSAT

Round-trip total · 1 adult · Taxes included

Make this trip yours

SAT ⇄ DEN

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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More dates

All dates for this routeNov 24, 2026 → Nov 29, 2026Dec 22, 2026 → Dec 27, 2026Dec 30, 2026 → Jan 2, 2027Jan 15, 2027 → Jan 18, 2027Oct 30, 2026 → Nov 2, 2026Oct 31, 2026 → Nov 7, 2026Nov 27, 2026 → Nov 30, 2026Nov 28, 2026 → Dec 5, 2026Dec 25, 2026 → Dec 28, 2026Dec 26, 2026 → Jan 2, 2027Jan 22, 2027 → Jan 25, 2027Oct 30, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-21 → 2026-12-23Frontier AirlinesF92355 / F93708$224.002026-10-29T01:11:34Z
2026-12-21 → 2026-12-23Southwest AirlinesWN3771 / WN2160$413.002026-10-29T01:11:34Z
2026-12-21 → 2026-12-23United AirlinesUA1338 / UA2819$448.002026-10-29T01:11:34Z
2026-12-21 → 2026-12-23American AirlinesAA2342 + AA2357 / AA1523 + AA1961$490.002026-10-29T01:11:34Z
2026-12-21 → 2026-12-23Frontier AirlinesF92355 / F92356$224.002026-10-29T01:11:34Z
2026-12-21 → 2026-12-23Southwest AirlinesWN3773 / WN2160$413.002026-10-29T01:11:34Z
2026-12-21 → 2026-12-23United AirlinesUA2853 / UA2819$448.002026-10-29T01:11:34Z
2026-12-21 → 2026-12-23Southwest AirlinesWN1506 + WN200 / WN2160$430.502026-10-29T01:11:34Z
2026-12-21 → 2026-12-23Southwest AirlinesWN2110 + WN2081 / WN2160$430.502026-10-29T01:11:34Z
2026-12-21 → 2026-12-23Southwest AirlinesWN3775 + WN1897 / WN2160$430.502026-10-29T01:11:34Z
2026-12-21 → 2026-12-23United AirlinesUA1066 + UA1066 / UA2819$469.002026-10-29T01:11:34Z

2026-12-21 → 2026-12-23 · $224.00

  • Frontier Airlines F92355: SAT 2026-12-21 13:31:00 → DEN 2026-12-21 14:57:00; nonstop; 146 minutes. Local airport times.
  • Frontier Airlines F93708: DEN 2026-12-23 16:14:00 → SAT 2026-12-23 19:33:00; nonstop; 139 minutes. Local airport times.

2026-12-21 → 2026-12-23 · $413.00

  • Southwest Airlines WN3771: SAT 2026-12-21 09:40:00 → DEN 2026-12-21 10:55:00; nonstop; 135 minutes. Local airport times.
  • Southwest Airlines WN2160: DEN 2026-12-23 14:35:00 → SAT 2026-12-23 17:40:00; nonstop; 125 minutes. Local airport times.

2026-12-21 → 2026-12-23 · $448.00

  • United Airlines UA1338: SAT 2026-12-21 13:50:00 → DEN 2026-12-21 15:10:00; nonstop; 140 minutes. Local airport times.
  • United Airlines UA2819: DEN 2026-12-23 17:25:00 → SAT 2026-12-23 20:34:00; nonstop; 129 minutes. Local airport times.

2026-12-21 → 2026-12-23 · $490.00

  • American Airlines AA2342 / AA2357: SAT 2026-12-21 06:00:00 → DEN 2026-12-21 09:49:00; 1 stop(s) via DFW; 289 minutes. Local airport times.
    • AA2342: SAT 2026-12-21 06:00:00 → DFW 2026-12-21 07:27:00; layover at DFW: 67 minutes.
    • AA2357: DFW 2026-12-21 08:34:00 → DEN 2026-12-21 09:49:00.
  • American Airlines AA1523 / AA1961: DEN 2026-12-23 09:12:00 → SAT 2026-12-23 14:50:00; 1 stop(s) via DFW; 278 minutes. Local airport times.
    • AA1523: DEN 2026-12-23 09:12:00 → DFW 2026-12-23 12:18:00; layover at DFW: 82 minutes.
    • AA1961: DFW 2026-12-23 13:40:00 → SAT 2026-12-23 14:50:00.

2026-12-21 → 2026-12-23 · $224.00

  • Frontier Airlines F92355: SAT 2026-12-21 20:47:00 → DEN 2026-12-21 22:10:00; nonstop; 143 minutes. Local airport times.
  • Frontier Airlines F92356: DEN 2026-12-23 14:52:00 → SAT 2026-12-23 18:01:00; nonstop; 129 minutes. Local airport times.

2026-12-21 → 2026-12-23 · $413.00

  • Southwest Airlines WN3773: SAT 2026-12-21 18:15:00 → DEN 2026-12-21 19:30:00; nonstop; 135 minutes. Local airport times.
  • Southwest Airlines WN2160: DEN 2026-12-23 14:35:00 → SAT 2026-12-23 17:40:00; nonstop; 125 minutes. Local airport times.

2026-12-21 → 2026-12-23 · $448.00

  • United Airlines UA2853: SAT 2026-12-21 08:56:00 → DEN 2026-12-21 10:15:00; nonstop; 139 minutes. Local airport times.
  • United Airlines UA2819: DEN 2026-12-23 17:25:00 → SAT 2026-12-23 20:34:00; nonstop; 129 minutes. Local airport times.

2026-12-21 → 2026-12-23 · $430.50

  • Southwest Airlines WN1506 / WN200: SAT 2026-12-21 14:35:00 → DEN 2026-12-21 20:55:00; 1 stop(s) via DAL; 440 minutes. Local airport times.
    • WN1506: SAT 2026-12-21 14:35:00 → DAL 2026-12-21 15:40:00; layover at DAL: 240 minutes.
    • WN200: DAL 2026-12-21 19:40:00 → DEN 2026-12-21 20:55:00.
  • Southwest Airlines WN2160: DEN 2026-12-23 14:35:00 → SAT 2026-12-23 17:40:00; nonstop; 125 minutes. Local airport times.

2026-12-21 → 2026-12-23 · $430.50

  • Southwest Airlines WN2110 / WN2081: SAT 2026-12-21 16:35:00 → DEN 2026-12-21 22:05:00; 1 stop(s) via HOU; 390 minutes. Local airport times.
    • WN2110: SAT 2026-12-21 16:35:00 → HOU 2026-12-21 17:35:00; layover at HOU: 175 minutes.
    • WN2081: HOU 2026-12-21 20:30:00 → DEN 2026-12-21 22:05:00.
  • Southwest Airlines WN2160: DEN 2026-12-23 14:35:00 → SAT 2026-12-23 17:40:00; nonstop; 125 minutes. Local airport times.

2026-12-21 → 2026-12-23 · $430.50

  • Southwest Airlines WN3775 / WN1897: SAT 2026-12-21 13:30:00 → DEN 2026-12-21 18:15:00; 1 stop(s) via ELP; 345 minutes. Local airport times.
    • WN3775: SAT 2026-12-21 13:30:00 → ELP 2026-12-21 14:05:00; layover at ELP: 140 minutes.
    • WN1897: ELP 2026-12-21 16:25:00 → DEN 2026-12-21 18:15:00.
  • Southwest Airlines WN2160: DEN 2026-12-23 14:35:00 → SAT 2026-12-23 17:40:00; nonstop; 125 minutes. Local airport times.

2026-12-21 → 2026-12-23 · $469.00

  • United Airlines UA1066 / UA1066: SAT 2026-12-21 19:08:00 → DEN 2026-12-21 23:29:00; 1 stop(s) via IAH; 321 minutes. Local airport times.
    • UA1066: SAT 2026-12-21 19:08:00 → IAH 2026-12-21 20:15:00; layover at IAH: 95 minutes.
    • UA1066: IAH 2026-12-21 21:50:00 → DEN 2026-12-21 23:29:00.
  • United Airlines UA2819: DEN 2026-12-23 17:25:00 → SAT 2026-12-23 20:34:00; nonstop; 129 minutes. Local airport times.

More dates for this route