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Dulles → San Antonio

Dec 13, 2026 · return Dec 17, 2026

IAD → SAT1 adulteconomyRound trip

8 flight options · 3 airlines

Nonstop flights

Sun, Dec 13 – Thu, Dec 17

United Airlines
8:25 amIAD
3h 53m
Nonstop
11:18 amSAT
United Airlines
12:12 pmSAT
3h 13m
Nonstop
4:25 pmIAD

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Thu, Dec 17

United Airlines
5:55 pmIAD
3h 54m
Nonstop
8:49 pmSAT
United Airlines
12:12 pmSAT
3h 13m
Nonstop
4:25 pmIAD

Round-trip total · 1 adult · Taxes included

One-stop flights

Sun, Dec 13 – Thu, Dec 17

American Airlines
6:00 amIAD
7h 26m
CLT · 2h 32m
12:26 pmSAT
American Airlines
11:23 amSAT
5h 51m
DFW · 1h 41m
6:14 pmIAD

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Thu, Dec 17

Delta Air Lines
12:34 pmIAD
5h 50m
ATL · 1h 12m
5:24 pmSAT
Delta Air Lines
4:00 pmSAT
6h 10m
DTW · 1h 25m
11:10 pmIAD

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Thu, Dec 17

American Airlines
5:50 pmIAD
7h 17m
DFW · 2h 22m
12:07 am+1SAT
American Airlines
11:23 amSAT
5h 51m
DFW · 1h 41m
6:14 pmIAD

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Thu, Dec 17

United Airlines
5:55 pmIAD
4h 2m
Nonstop
8:57 pmSAT
United Airlines
11:47 amSAT
5h 36m
IAH · 1h 26m
6:23 pmIAD

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Thu, Dec 17

United Airlines
8:25 amIAD
7h 42m
EWR · 1h 57m
3:07 pmSAT
United Airlines
12:12 pmSAT
3h 13m
Nonstop
4:25 pmIAD

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Thu, Dec 17

United Airlines
6:10 amIAD
7h 32m
ORD · 1h 53m
12:42 pmSAT
United Airlines
12:12 pmSAT
3h 13m
Nonstop
4:25 pmIAD

Round-trip total · 1 adult · Taxes included

Make this trip yours

IAD ⇄ SAT

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)
2026-12-13 → 2026-12-17United AirlinesUA1789 / UA2250$375.002026-10-29T01:07:59Z
2026-12-13 → 2026-12-17American AirlinesAA5649 + AA1977 / AA413 + AA2414$330.002026-10-29T01:07:59Z
2026-12-13 → 2026-12-17Delta Air LinesDL1444 + DL1465 / DL2193 + DL4704$350.002026-10-29T01:07:59Z
2026-12-13 → 2026-12-17United AirlinesUA1869 / UA2250$375.002026-10-29T01:07:59Z
2026-12-13 → 2026-12-17American AirlinesAA2414 + AA2281 / AA413 + AA2414$330.002026-10-29T01:07:59Z
2026-12-13 → 2026-12-17United AirlinesUA1869 / UA1282 + UA1282$352.502026-10-29T01:07:59Z
2026-12-13 → 2026-12-17United AirlinesUA2396 + UA515 / UA2250$352.502026-10-29T01:07:59Z
2026-12-13 → 2026-12-17United AirlinesUA565 + UA446 / UA2250$352.502026-10-29T01:07:59Z

2026-12-13 → 2026-12-17 · $375.00

  • United Airlines UA1789: IAD 2026-12-13 08:25:00 → SAT 2026-12-13 11:18:00; nonstop; 233 minutes. Local airport times.
  • United Airlines UA2250: SAT 2026-12-17 12:12:00 → IAD 2026-12-17 16:25:00; nonstop; 193 minutes. Local airport times.

2026-12-13 → 2026-12-17 · $330.00

  • American Airlines AA5649 / AA1977: IAD 2026-12-13 06:00:00 → SAT 2026-12-13 12:26:00; 1 stop(s) via CLT; 446 minutes. Local airport times.
    • AA5649: IAD 2026-12-13 06:00:00 → CLT 2026-12-13 07:48:00; layover at CLT: 152 minutes.
    • AA1977: CLT 2026-12-13 10:20:00 → SAT 2026-12-13 12:26:00.
  • American Airlines AA413 / AA2414: SAT 2026-12-17 11:23:00 → IAD 2026-12-17 18:14:00; 1 stop(s) via DFW; 351 minutes. Local airport times.
    • AA413: SAT 2026-12-17 11:23:00 → DFW 2026-12-17 12:45:00; layover at DFW: 101 minutes.
    • AA2414: DFW 2026-12-17 14:26:00 → IAD 2026-12-17 18:14:00.

2026-12-13 → 2026-12-17 · $350.00

  • Delta Air Lines DL1444 / DL1465: IAD 2026-12-13 12:34:00 → SAT 2026-12-13 17:24:00; 1 stop(s) via ATL; 350 minutes. Local airport times.
    • DL1444: IAD 2026-12-13 12:34:00 → ATL 2026-12-13 14:31:00; layover at ATL: 72 minutes.
    • DL1465: ATL 2026-12-13 15:43:00 → SAT 2026-12-13 17:24:00.
  • Delta Air Lines DL2193 / DL4704: SAT 2026-12-17 16:00:00 → IAD 2026-12-17 23:10:00; 1 stop(s) via DTW; 370 minutes. Local airport times.
    • DL2193: SAT 2026-12-17 16:00:00 → DTW 2026-12-17 20:05:00; layover at DTW: 85 minutes.
    • DL4704: DTW 2026-12-17 21:30:00 → IAD 2026-12-17 23:10:00.

2026-12-13 → 2026-12-17 · $375.00

  • United Airlines UA1869: IAD 2026-12-13 17:55:00 → SAT 2026-12-13 20:49:00; nonstop; 234 minutes. Local airport times.
  • United Airlines UA2250: SAT 2026-12-17 12:12:00 → IAD 2026-12-17 16:25:00; nonstop; 193 minutes. Local airport times.

2026-12-13 → 2026-12-17 · $330.00

  • American Airlines AA2414 / AA2281: IAD 2026-12-13 17:50:00 → SAT 2026-12-14 00:07:00; 1 stop(s) via DFW; 437 minutes. Local airport times.
    • AA2414: IAD 2026-12-13 17:50:00 → DFW 2026-12-13 20:30:00; layover at DFW: 142 minutes.
    • AA2281: DFW 2026-12-13 22:52:00 → SAT 2026-12-14 00:07:00.
  • American Airlines AA413 / AA2414: SAT 2026-12-17 11:23:00 → IAD 2026-12-17 18:14:00; 1 stop(s) via DFW; 351 minutes. Local airport times.
    • AA413: SAT 2026-12-17 11:23:00 → DFW 2026-12-17 12:45:00; layover at DFW: 101 minutes.
    • AA2414: DFW 2026-12-17 14:26:00 → IAD 2026-12-17 18:14:00.

2026-12-13 → 2026-12-17 · $352.50

  • United Airlines UA1869: IAD 2026-12-13 17:55:00 → SAT 2026-12-13 20:57:00; nonstop; 242 minutes. Local airport times.
  • United Airlines UA1282 / UA1282: SAT 2026-12-17 11:47:00 → IAD 2026-12-17 18:23:00; 1 stop(s) via IAH; 336 minutes. Local airport times.
    • UA1282: SAT 2026-12-17 11:47:00 → IAH 2026-12-17 12:54:00; layover at IAH: 86 minutes.
    • UA1282: IAH 2026-12-17 14:20:00 → IAD 2026-12-17 18:23:00.

2026-12-13 → 2026-12-17 · $352.50

  • United Airlines UA2396 / UA515: IAD 2026-12-13 08:25:00 → SAT 2026-12-13 15:07:00; 1 stop(s) via EWR; 462 minutes. Local airport times.
    • UA2396: IAD 2026-12-13 08:25:00 → EWR 2026-12-13 09:47:00; layover at EWR: 117 minutes.
    • UA515: EWR 2026-12-13 11:44:00 → SAT 2026-12-13 15:07:00.
  • United Airlines UA2250: SAT 2026-12-17 12:12:00 → IAD 2026-12-17 16:25:00; nonstop; 193 minutes. Local airport times.

2026-12-13 → 2026-12-17 · $352.50

  • United Airlines UA565 / UA446: IAD 2026-12-13 06:10:00 → SAT 2026-12-13 12:42:00; 1 stop(s) via ORD; 452 minutes. Local airport times.
    • UA565: IAD 2026-12-13 06:10:00 → ORD 2026-12-13 07:32:00; layover at ORD: 113 minutes.
    • UA446: ORD 2026-12-13 09:25:00 → SAT 2026-12-13 12:42:00.
  • United Airlines UA2250: SAT 2026-12-17 12:12:00 → IAD 2026-12-17 16:25:00; nonstop; 193 minutes. Local airport times.

More dates for this route