Travel with Axel,
get the best price.

San Antonio → Dulles

Aug 21, 2027 · return Aug 28, 2027

SAT → IAD1 adulteconomyRound trip

8 flight options · 3 airlines

Nonstop flights

Sat, Aug 21 – Sat, Aug 28

United Airlines
12:25 pmSAT
3h 10m
Nonstop
4:35 pmIAD
United Airlines
5:30 pmIAD
3h 54m
Nonstop
8:24 pmSAT

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

United Airlines
7:00 amSAT
3h 13m
Nonstop
11:13 amIAD
United Airlines
5:30 pmIAD
3h 54m
Nonstop
8:24 pmSAT

Round-trip total · 1 adult · Taxes included

One-stop flights

Sat, Aug 21 – Sat, Aug 28

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

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

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

Sat, Aug 21 – Sat, Aug 28

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

Sat, Aug 21 – Sat, Aug 28

United Airlines
12:24 pmSAT
3h 11m
Nonstop
4:35 pmIAD
United Airlines
6:10 amIAD
7h 32m
ORD · 1h 53m
12:42 pmSAT

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

United Airlines
11:47 amSAT
5h 36m
IAH · 1h 26m
6:23 pmIAD
United Airlines
5:30 pmIAD
3h 54m
Nonstop
8:24 pmSAT

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

United Airlines
1:50 pmSAT
6h 34m
DEN · 1h
9:24 pmIAD
United Airlines
5:30 pmIAD
3h 54m
Nonstop
8:24 pmSAT

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 5, 2026 → Nov 8, 2026Nov 14, 2026 → Nov 21, 2026Nov 24, 2026 → Nov 29, 2026Dec 5, 2026 → Dec 12, 2026Dec 17, 2026 → Dec 20, 2026Dec 26, 2026 → Jan 2, 2027Jan 5, 2027 · One wayJan 16, 2027 → Jan 23, 2027Feb 5, 2027 → Feb 8, 2027Apr 3, 2027 → Apr 10, 2027Jun 26, 2027 → Jul 3, 2027Sep 17, 2027 → Sep 20, 2027
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)
2027-08-21 → 2027-08-28United AirlinesUA2250 / UA1869$420.002026-10-29T01:12:12Z
2027-08-21 → 2027-08-28American AirlinesAA413 + AA2414 / AA5649 + AA1977$375.002026-10-29T01:12:12Z
2027-08-21 → 2027-08-28Delta Air LinesDL1465 + DL2549 / DL1444 + DL1465$395.002026-10-29T01:12:12Z
2027-08-21 → 2027-08-28United AirlinesUA471 / UA1869$420.002026-10-29T01:12:12Z
2027-08-21 → 2027-08-28Delta Air LinesDL2193 + DL4704 / DL1444 + DL1465$395.002026-10-29T01:12:12Z
2027-08-21 → 2027-08-28United AirlinesUA2250 / UA565 + UA446$402.502026-10-29T01:12:12Z
2027-08-21 → 2027-08-28United AirlinesUA1282 + UA1282 / UA1869$402.502026-10-29T01:12:12Z
2027-08-21 → 2027-08-28United AirlinesUA1007 + UA421 / UA1869$402.502026-10-29T01:12:12Z

2027-08-21 → 2027-08-28 · $420.00

  • United Airlines UA2250: SAT 2027-08-21 12:25:00 → IAD 2027-08-21 16:35:00; nonstop; 190 minutes. Local airport times.
  • United Airlines UA1869: IAD 2027-08-28 17:30:00 → SAT 2027-08-28 20:24:00; nonstop; 234 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $375.00

  • American Airlines AA413 / AA2414: SAT 2027-08-21 11:23:00 → IAD 2027-08-21 18:14:00; 1 stop(s) via DFW; 351 minutes. Local airport times.
    • AA413: SAT 2027-08-21 11:23:00 → DFW 2027-08-21 12:45:00; layover at DFW: 101 minutes.
    • AA2414: DFW 2027-08-21 14:26:00 → IAD 2027-08-21 18:14:00.
  • American Airlines AA5649 / AA1977: IAD 2027-08-28 06:00:00 → SAT 2027-08-28 12:26:00; 1 stop(s) via CLT; 446 minutes. Local airport times.
    • AA5649: IAD 2027-08-28 06:00:00 → CLT 2027-08-28 07:48:00; layover at CLT: 152 minutes.
    • AA1977: CLT 2027-08-28 10:20:00 → SAT 2027-08-28 12:26:00.

2027-08-21 → 2027-08-28 · $395.00

  • Delta Air Lines DL1465 / DL2549: SAT 2027-08-21 18:37:00 → IAD 2027-08-22 00:41:00; 1 stop(s) via ATL; 304 minutes. Local airport times.
    • DL1465: SAT 2027-08-21 18:37:00 → ATL 2027-08-21 21:55:00; layover at ATL: 65 minutes.
    • DL2549: ATL 2027-08-21 23:00:00 → IAD 2027-08-22 00:41:00.
  • Delta Air Lines DL1444 / DL1465: IAD 2027-08-28 12:34:00 → SAT 2027-08-28 17:24:00; 1 stop(s) via ATL; 350 minutes. Local airport times.
    • DL1444: IAD 2027-08-28 12:34:00 → ATL 2027-08-28 14:31:00; layover at ATL: 72 minutes.
    • DL1465: ATL 2027-08-28 15:43:00 → SAT 2027-08-28 17:24:00.

2027-08-21 → 2027-08-28 · $420.00

  • United Airlines UA471: SAT 2027-08-21 07:00:00 → IAD 2027-08-21 11:13:00; nonstop; 193 minutes. Local airport times.
  • United Airlines UA1869: IAD 2027-08-28 17:30:00 → SAT 2027-08-28 20:24:00; nonstop; 234 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $395.00

  • Delta Air Lines DL2193 / DL4704: SAT 2027-08-21 16:00:00 → IAD 2027-08-21 23:10:00; 1 stop(s) via DTW; 370 minutes. Local airport times.
    • DL2193: SAT 2027-08-21 16:00:00 → DTW 2027-08-21 20:05:00; layover at DTW: 85 minutes.
    • DL4704: DTW 2027-08-21 21:30:00 → IAD 2027-08-21 23:10:00.
  • Delta Air Lines DL1444 / DL1465: IAD 2027-08-28 12:34:00 → SAT 2027-08-28 17:24:00; 1 stop(s) via ATL; 350 minutes. Local airport times.
    • DL1444: IAD 2027-08-28 12:34:00 → ATL 2027-08-28 14:31:00; layover at ATL: 72 minutes.
    • DL1465: ATL 2027-08-28 15:43:00 → SAT 2027-08-28 17:24:00.

2027-08-21 → 2027-08-28 · $402.50

  • United Airlines UA2250: SAT 2027-08-21 12:24:00 → IAD 2027-08-21 16:35:00; nonstop; 191 minutes. Local airport times.
  • United Airlines UA565 / UA446: IAD 2027-08-28 06:10:00 → SAT 2027-08-28 12:42:00; 1 stop(s) via ORD; 452 minutes. Local airport times.
    • UA565: IAD 2027-08-28 06:10:00 → ORD 2027-08-28 07:32:00; layover at ORD: 113 minutes.
    • UA446: ORD 2027-08-28 09:25:00 → SAT 2027-08-28 12:42:00.

2027-08-21 → 2027-08-28 · $402.50

  • United Airlines UA1282 / UA1282: SAT 2027-08-21 11:47:00 → IAD 2027-08-21 18:23:00; 1 stop(s) via IAH; 336 minutes. Local airport times.
    • UA1282: SAT 2027-08-21 11:47:00 → IAH 2027-08-21 12:54:00; layover at IAH: 86 minutes.
    • UA1282: IAH 2027-08-21 14:20:00 → IAD 2027-08-21 18:23:00.
  • United Airlines UA1869: IAD 2027-08-28 17:30:00 → SAT 2027-08-28 20:24:00; nonstop; 234 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $402.50

  • United Airlines UA1007 / UA421: SAT 2027-08-21 13:50:00 → IAD 2027-08-21 21:24:00; 1 stop(s) via DEN; 394 minutes. Local airport times.
    • UA1007: SAT 2027-08-21 13:50:00 → DEN 2027-08-21 15:11:00; layover at DEN: 60 minutes.
    • UA421: DEN 2027-08-21 16:11:00 → IAD 2027-08-21 21:24:00.
  • United Airlines UA1869: IAD 2027-08-28 17:30:00 → SAT 2027-08-28 20:24:00; nonstop; 234 minutes. Local airport times.

More dates for this route