Travel with Axel,
get the best price.

San Antonio → Dulles

Dec 3, 2026 · return Dec 10, 2026

SAT → IAD1 adulteconomyRound trip

8 flight options · 4 airlines

Nonstop flights

Thu, Dec 3 – Thu, Dec 10

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

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Thu, Dec 10

United Airlines
7:00 amSAT
3h 13m
Nonstop
11:13 amIAD
United Airlines
8:25 amIAD
3h 53m
Nonstop
11:18 amSAT

Round-trip total · 1 adult · Taxes included

One-stop flights

Thu, Dec 3 – Thu, Dec 10

Frontier Airlines
1:27 pmSAT
6h 44m
MCO · 1h 45m
9:11 pmIAD
United Airlines
8:25 amIAD
3h 53m
Nonstop
11:18 amSAT

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Thu, Dec 10

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

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Thu, Dec 10

Delta Air Lines
6:37 pmSAT
5h 4m
ATL · 1h 5m
12:41 am+1IAD
Delta Air Lines
12:34 pmIAD
5h 50m
ATL · 1h 12m
5:24 pmSAT

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Thu, Dec 10

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

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Thu, Dec 10

United Airlines
1:50 pmSAT
6h 34m
DEN · 1h
9:24 pmIAD
United Airlines
8:25 amIAD
3h 53m
Nonstop
11:18 amSAT

Round-trip total · 1 adult · Taxes included

Thu, Dec 3 – Thu, Dec 10

United Airlines
11:47 amSAT
5h 36m
IAH · 1h 26m
6:23 pmIAD
United Airlines
8:25 amIAD
3h 53m
Nonstop
11:18 amSAT

Round-trip total · 1 adult · Taxes included

Make this trip yours

SAT ⇄ IAD

Economy

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

No account needed to see prices.

Already have an account? Log in

Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, United Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

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)
2026-12-03 → 2026-12-10United AirlinesUA2250 / UA1789$365.002026-10-29T01:12:12Z
2026-12-03 → 2026-12-10Frontier Airlines / United AirlinesF91654 + F92860 / UA1789$280.002026-10-29T01:12:12Z
2026-12-03 → 2026-12-10American AirlinesAA413 + AA2414 / AA2414 + AA2281$330.002026-10-29T01:12:12Z
2026-12-03 → 2026-12-10Delta Air LinesDL1465 + DL2549 / DL1444 + DL1465$350.002026-10-29T01:12:12Z
2026-12-03 → 2026-12-10United AirlinesUA471 / UA1789$365.002026-10-29T01:12:12Z
2026-12-03 → 2026-12-10Delta Air LinesDL2193 + DL4704 / DL1444 + DL1465$350.002026-10-29T01:12:12Z
2026-12-03 → 2026-12-10United AirlinesUA1007 + UA421 / UA1789$352.502026-10-29T01:12:12Z
2026-12-03 → 2026-12-10United AirlinesUA1282 + UA1282 / UA1789$352.502026-10-29T01:12:12Z

2026-12-03 → 2026-12-10 · $365.00

  • United Airlines UA2250: SAT 2026-12-03 12:12:00 → IAD 2026-12-03 16:25:00; nonstop; 193 minutes. Local airport times.
  • United Airlines UA1789: IAD 2026-12-10 08:25:00 → SAT 2026-12-10 11:18:00; nonstop; 233 minutes. Local airport times.

2026-12-03 → 2026-12-10 · $280.00

  • Frontier Airlines F91654 / F92860: SAT 2026-12-03 13:27:00 → IAD 2026-12-03 21:11:00; 1 stop(s) via MCO; 404 minutes. Local airport times.
    • F91654: SAT 2026-12-03 13:27:00 → MCO 2026-12-03 17:10:00; layover at MCO: 105 minutes.
    • F92860: MCO 2026-12-03 18:55:00 → IAD 2026-12-03 21:11:00.
  • United Airlines UA1789: IAD 2026-12-10 08:25:00 → SAT 2026-12-10 11:18:00; nonstop; 233 minutes. Local airport times.

2026-12-03 → 2026-12-10 · $330.00

  • American Airlines AA413 / AA2414: SAT 2026-12-03 11:23:00 → IAD 2026-12-03 18:14:00; 1 stop(s) via DFW; 351 minutes. Local airport times.
    • AA413: SAT 2026-12-03 11:23:00 → DFW 2026-12-03 12:45:00; layover at DFW: 101 minutes.
    • AA2414: DFW 2026-12-03 14:26:00 → IAD 2026-12-03 18:14:00.
  • American Airlines AA2414 / AA2281: IAD 2026-12-10 17:50:00 → SAT 2026-12-11 00:07:00; 1 stop(s) via DFW; 437 minutes. Local airport times.
    • AA2414: IAD 2026-12-10 17:50:00 → DFW 2026-12-10 20:30:00; layover at DFW: 142 minutes.
    • AA2281: DFW 2026-12-10 22:52:00 → SAT 2026-12-11 00:07:00.

2026-12-03 → 2026-12-10 · $350.00

  • Delta Air Lines DL1465 / DL2549: SAT 2026-12-03 18:37:00 → IAD 2026-12-04 00:41:00; 1 stop(s) via ATL; 304 minutes. Local airport times.
    • DL1465: SAT 2026-12-03 18:37:00 → ATL 2026-12-03 21:55:00; layover at ATL: 65 minutes.
    • DL2549: ATL 2026-12-03 23:00:00 → IAD 2026-12-04 00:41:00.
  • Delta Air Lines DL1444 / DL1465: IAD 2026-12-10 12:34:00 → SAT 2026-12-10 17:24:00; 1 stop(s) via ATL; 350 minutes. Local airport times.
    • DL1444: IAD 2026-12-10 12:34:00 → ATL 2026-12-10 14:31:00; layover at ATL: 72 minutes.
    • DL1465: ATL 2026-12-10 15:43:00 → SAT 2026-12-10 17:24:00.

2026-12-03 → 2026-12-10 · $365.00

  • United Airlines UA471: SAT 2026-12-03 07:00:00 → IAD 2026-12-03 11:13:00; nonstop; 193 minutes. Local airport times.
  • United Airlines UA1789: IAD 2026-12-10 08:25:00 → SAT 2026-12-10 11:18:00; nonstop; 233 minutes. Local airport times.

2026-12-03 → 2026-12-10 · $350.00

  • Delta Air Lines DL2193 / DL4704: SAT 2026-12-03 16:00:00 → IAD 2026-12-03 23:10:00; 1 stop(s) via DTW; 370 minutes. Local airport times.
    • DL2193: SAT 2026-12-03 16:00:00 → DTW 2026-12-03 20:05:00; layover at DTW: 85 minutes.
    • DL4704: DTW 2026-12-03 21:30:00 → IAD 2026-12-03 23:10:00.
  • Delta Air Lines DL1444 / DL1465: IAD 2026-12-10 12:34:00 → SAT 2026-12-10 17:24:00; 1 stop(s) via ATL; 350 minutes. Local airport times.
    • DL1444: IAD 2026-12-10 12:34:00 → ATL 2026-12-10 14:31:00; layover at ATL: 72 minutes.
    • DL1465: ATL 2026-12-10 15:43:00 → SAT 2026-12-10 17:24:00.

2026-12-03 → 2026-12-10 · $352.50

  • United Airlines UA1007 / UA421: SAT 2026-12-03 13:50:00 → IAD 2026-12-03 21:24:00; 1 stop(s) via DEN; 394 minutes. Local airport times.
    • UA1007: SAT 2026-12-03 13:50:00 → DEN 2026-12-03 15:11:00; layover at DEN: 60 minutes.
    • UA421: DEN 2026-12-03 16:11:00 → IAD 2026-12-03 21:24:00.
  • United Airlines UA1789: IAD 2026-12-10 08:25:00 → SAT 2026-12-10 11:18:00; nonstop; 233 minutes. Local airport times.

2026-12-03 → 2026-12-10 · $352.50

  • United Airlines UA1282 / UA1282: SAT 2026-12-03 11:47:00 → IAD 2026-12-03 18:23:00; 1 stop(s) via IAH; 336 minutes. Local airport times.
    • UA1282: SAT 2026-12-03 11:47:00 → IAH 2026-12-03 12:54:00; layover at IAH: 86 minutes.
    • UA1282: IAH 2026-12-03 14:20:00 → IAD 2026-12-03 18:23:00.
  • United Airlines UA1789: IAD 2026-12-10 08:25:00 → SAT 2026-12-10 11:18:00; nonstop; 233 minutes. Local airport times.

More dates for this route