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Route overview: Denver to San Antonio (SAT) flight deals

Denver → San Antonio

Dec 14, 2026 · return Dec 24, 2026

DEN → SAT1 adulteconomyRound trip

12 flight options · 4 airlines

Nonstop flights

Mon, Dec 14 – Thu, Dec 24

Frontier Airlines
9:14 amDEN
2h 22m
Nonstop
12:36 pmSAT
Frontier Airlines
8:28 pmSAT
2h 29m
Nonstop
9:57 pmDEN

Round-trip total · 1 adult · Taxes included

Mon, Dec 14 – Thu, Dec 24

Southwest Airlines
6:25 pmDEN
2h 20m
Nonstop
9:45 pmSAT
Southwest Airlines
6:00 amSAT
2h 20m
Nonstop
7:20 amDEN

Round-trip total · 1 adult · Taxes included

Mon, Dec 14 – Thu, Dec 24

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

Round-trip total · 1 adult · Taxes included

Mon, Dec 14 – Thu, Dec 24

Frontier Airlines
4:52 pmDEN
2h 10m
Nonstop
8:02 pmSAT
Frontier Airlines
8:41 pmSAT
2h 29m
Nonstop
10:10 pmDEN

Round-trip total · 1 adult · Taxes included

Mon, Dec 14 – Thu, Dec 24

Southwest Airlines
4:20 pmDEN
2h 5m
Nonstop
7:25 pmSAT
Southwest Airlines
6:00 amSAT
2h 20m
Nonstop
7:20 amDEN

Round-trip total · 1 adult · Taxes included

Mon, Dec 14 – Thu, Dec 24

United Airlines
9:35 amDEN
2h 11m
Nonstop
12:46 pmSAT
United Airlines
1:50 pmSAT
2h 20m
Nonstop
3:10 pmDEN

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 14 – Thu, Dec 24

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

Round-trip total · 1 adult · Taxes included

Mon, Dec 14 – Thu, Dec 24

Southwest Airlines
5:35 amDEN
6h 40m
DAL · 3h 40m
1:15 pmSAT
Southwest Airlines
6:00 amSAT
2h 20m
Nonstop
7:20 amDEN

Round-trip total · 1 adult · Taxes included

Mon, Dec 14 – Thu, Dec 24

Southwest Airlines
11:25 amDEN
5h 35m
MCI · 1h 50m
6:00 pmSAT
Southwest Airlines
6:00 amSAT
2h 20m
Nonstop
7:20 amDEN

Round-trip total · 1 adult · Taxes included

Mon, Dec 14 – Thu, Dec 24

Southwest Airlines
4:40 pmDEN
5h 50m
HOU · 2h 30m
11:30 pmSAT
Southwest Airlines
6:00 amSAT
2h 20m
Nonstop
7:20 amDEN

Round-trip total · 1 adult · Taxes included

Mon, Dec 14 – Thu, Dec 24

Southwest Airlines
8:50 amDEN
6h 40m
ELP · 3h 25m
4:30 pmSAT
Southwest Airlines
6:00 amSAT
2h 20m
Nonstop
7:20 amDEN

Round-trip total · 1 adult · Taxes included

Mon, Dec 14 – Thu, Dec 24

United Airlines
5:00 amDEN
7h 6m
IAH · 3h 22m
1:06 pmSAT
United Airlines
1:50 pmSAT
2h 20m
Nonstop
3:10 pmDEN

Round-trip total · 1 adult · Taxes included

Make this trip yours

DEN ⇄ SAT

Economy

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Explore this route

All dates for this routeDec 13, 2026 → Dec 23, 2026Dec 15, 2026 → Dec 25, 2026
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.

Route overview: Denver to San Antonio (SAT) flight deals

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-14 → 2026-12-24Frontier AirlinesF92356 / F93707$168.002026-10-29T01:05:09Z
2026-12-14 → 2026-12-24Southwest AirlinesWN580 / WN3770$300.002026-10-29T01:05:09Z
2026-12-14 → 2026-12-24United AirlinesUA2819 / UA1338$324.002026-10-29T01:05:09Z
2026-12-14 → 2026-12-24American AirlinesAA1523 + AA1961 / AA2342 + AA2357$348.002026-10-29T01:05:09Z
2026-12-14 → 2026-12-24Frontier AirlinesF92356 / F92355$168.002026-10-29T01:05:09Z
2026-12-14 → 2026-12-24Southwest AirlinesWN1784 / WN3770$300.002026-10-29T01:05:09Z
2026-12-14 → 2026-12-24United AirlinesUA1521 / UA1338$324.002026-10-29T01:05:09Z
2026-12-14 → 2026-12-24Southwest AirlinesWN1749 + WN1165 / WN3770$305.002026-10-29T01:05:09Z
2026-12-14 → 2026-12-24Southwest AirlinesWN1369 + WN802 / WN3770$305.002026-10-29T01:05:09Z
2026-12-14 → 2026-12-24Southwest AirlinesWN2433 + WN4470 / WN3770$305.002026-10-29T01:05:09Z
2026-12-14 → 2026-12-24Southwest AirlinesWN1934 + WN1916 / WN3770$305.002026-10-29T01:05:09Z
2026-12-14 → 2026-12-24United AirlinesUA320 + UA468 / UA1338$329.002026-10-29T01:05:09Z

2026-12-14 → 2026-12-24 · $168.00

  • Frontier Airlines F92356: DEN 2026-12-14 09:14:00 → SAT 2026-12-14 12:36:00; nonstop; 142 minutes. Local airport times.
  • Frontier Airlines F93707: SAT 2026-12-24 20:28:00 → DEN 2026-12-24 21:57:00; nonstop; 149 minutes. Local airport times.

2026-12-14 → 2026-12-24 · $300.00

  • Southwest Airlines WN580: DEN 2026-12-14 18:25:00 → SAT 2026-12-14 21:45:00; nonstop; 140 minutes. Local airport times.
  • Southwest Airlines WN3770: SAT 2026-12-24 06:00:00 → DEN 2026-12-24 07:20:00; nonstop; 140 minutes. Local airport times.

2026-12-14 → 2026-12-24 · $324.00

  • United Airlines UA2819: DEN 2026-12-14 17:25:00 → SAT 2026-12-14 20:34:00; nonstop; 129 minutes. Local airport times.
  • United Airlines UA1338: SAT 2026-12-24 13:50:00 → DEN 2026-12-24 15:10:00; nonstop; 140 minutes. Local airport times.

2026-12-14 → 2026-12-24 · $348.00

  • American Airlines AA1523 / AA1961: DEN 2026-12-14 09:12:00 → SAT 2026-12-14 14:50:00; 1 stop(s) via DFW; 278 minutes. Local airport times.
    • AA1523: DEN 2026-12-14 09:12:00 → DFW 2026-12-14 12:18:00; layover at DFW: 82 minutes.
    • AA1961: DFW 2026-12-14 13:40:00 → SAT 2026-12-14 14:50:00.
  • American Airlines AA2342 / AA2357: SAT 2026-12-24 06:00:00 → DEN 2026-12-24 09:49:00; 1 stop(s) via DFW; 289 minutes. Local airport times.
    • AA2342: SAT 2026-12-24 06:00:00 → DFW 2026-12-24 07:27:00; layover at DFW: 67 minutes.
    • AA2357: DFW 2026-12-24 08:34:00 → DEN 2026-12-24 09:49:00.

2026-12-14 → 2026-12-24 · $168.00

  • Frontier Airlines F92356: DEN 2026-12-14 16:52:00 → SAT 2026-12-14 20:02:00; nonstop; 130 minutes. Local airport times.
  • Frontier Airlines F92355: SAT 2026-12-24 20:41:00 → DEN 2026-12-24 22:10:00; nonstop; 149 minutes. Local airport times.

2026-12-14 → 2026-12-24 · $300.00

  • Southwest Airlines WN1784: DEN 2026-12-14 16:20:00 → SAT 2026-12-14 19:25:00; nonstop; 125 minutes. Local airport times.
  • Southwest Airlines WN3770: SAT 2026-12-24 06:00:00 → DEN 2026-12-24 07:20:00; nonstop; 140 minutes. Local airport times.

2026-12-14 → 2026-12-24 · $324.00

  • United Airlines UA1521: DEN 2026-12-14 09:35:00 → SAT 2026-12-14 12:46:00; nonstop; 131 minutes. Local airport times.
  • United Airlines UA1338: SAT 2026-12-24 13:50:00 → DEN 2026-12-24 15:10:00; nonstop; 140 minutes. Local airport times.

2026-12-14 → 2026-12-24 · $305.00

  • Southwest Airlines WN1749 / WN1165: DEN 2026-12-14 05:35:00 → SAT 2026-12-14 13:15:00; 1 stop(s) via DAL; 400 minutes. Local airport times.
    • WN1749: DEN 2026-12-14 05:35:00 → DAL 2026-12-14 08:35:00; layover at DAL: 220 minutes.
    • WN1165: DAL 2026-12-14 12:15:00 → SAT 2026-12-14 13:15:00.
  • Southwest Airlines WN3770: SAT 2026-12-24 06:00:00 → DEN 2026-12-24 07:20:00; nonstop; 140 minutes. Local airport times.

2026-12-14 → 2026-12-24 · $305.00

  • Southwest Airlines WN1369 / WN802: DEN 2026-12-14 11:25:00 → SAT 2026-12-14 18:00:00; 1 stop(s) via MCI; 335 minutes. Local airport times.
    • WN1369: DEN 2026-12-14 11:25:00 → MCI 2026-12-14 14:05:00; layover at MCI: 110 minutes.
    • WN802: MCI 2026-12-14 15:55:00 → SAT 2026-12-14 18:00:00.
  • Southwest Airlines WN3770: SAT 2026-12-24 06:00:00 → DEN 2026-12-24 07:20:00; nonstop; 140 minutes. Local airport times.

2026-12-14 → 2026-12-24 · $305.00

  • Southwest Airlines WN2433 / WN4470: DEN 2026-12-14 16:40:00 → SAT 2026-12-14 23:30:00; 1 stop(s) via HOU; 350 minutes. Local airport times.
    • WN2433: DEN 2026-12-14 16:40:00 → HOU 2026-12-14 19:55:00; layover at HOU: 150 minutes.
    • WN4470: HOU 2026-12-14 22:25:00 → SAT 2026-12-14 23:30:00.
  • Southwest Airlines WN3770: SAT 2026-12-24 06:00:00 → DEN 2026-12-24 07:20:00; nonstop; 140 minutes. Local airport times.

2026-12-14 → 2026-12-24 · $305.00

  • Southwest Airlines WN1934 / WN1916: DEN 2026-12-14 08:50:00 → SAT 2026-12-14 16:30:00; 1 stop(s) via ELP; 400 minutes. Local airport times.
    • WN1934: DEN 2026-12-14 08:50:00 → ELP 2026-12-14 10:40:00; layover at ELP: 205 minutes.
    • WN1916: ELP 2026-12-14 14:05:00 → SAT 2026-12-14 16:30:00.
  • Southwest Airlines WN3770: SAT 2026-12-24 06:00:00 → DEN 2026-12-24 07:20:00; nonstop; 140 minutes. Local airport times.

2026-12-14 → 2026-12-24 · $329.00

  • United Airlines UA320 / UA468: DEN 2026-12-14 05:00:00 → SAT 2026-12-14 13:06:00; 1 stop(s) via IAH; 426 minutes. Local airport times.
    • UA320: DEN 2026-12-14 05:00:00 → IAH 2026-12-14 08:33:00; layover at IAH: 202 minutes.
    • UA468: IAH 2026-12-14 11:55:00 → SAT 2026-12-14 13:06:00.
  • United Airlines UA1338: SAT 2026-12-24 13:50:00 → DEN 2026-12-24 15:10:00; nonstop; 140 minutes. Local airport times.

Explore this route