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Austin → Dulles

Dec 21, 2026 · return Jan 4, 2027

AUS → IAD1 adulteconomyRound trip

8 flight options · 5 airlines

Nonstop flights

Mon, Dec 21 – Mon, Jan 4

United Airlines
7:25 amAUS
3h 6m
Nonstop
11:31 amIAD
United Airlines
8:15 amIAD
3h 50m
Nonstop
11:05 amAUS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

United Airlines
12:18 pmAUS
3h 8m
Nonstop
4:26 pmIAD
United Airlines
8:15 amIAD
3h 50m
Nonstop
11:05 amAUS

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Mon, Jan 4

Frontier Airlines
11:10 amAUS
5h 28m
ATL · 1h 12m
5:38 pmIAD
Frontier Airlines
11:16 amIAD
6h 39m
MCO · 1h 4m
4:55 pmAUS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

American Airlines
8:09 amAUS
5h 44m
CLT · 1h 30m
2:53 pmIAD
American Airlines
5:50 pmIAD
6h 11m
DFW · 1h 24m
11:01 pmAUS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

Delta Air Lines
8:20 amAUS
6h 42m
ATL · 2h 51m
4:02 pmIAD
Delta Air Lines
12:34 pmIAD
6h 5m
ATL · 1h 34m
5:39 pmAUS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

Air Canada
12:05 pmAUS
7h 5m
YYZ · 2h 12m
8:10 pmIAD
United Airlines
8:15 amIAD
3h 50m
Nonstop
11:05 amAUS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

Delta Air Lines
5:10 amAUS
5h 46m
DTW · 1h 10m
11:56 amIAD
Delta Air Lines
12:34 pmIAD
6h 5m
ATL · 1h 34m
5:39 pmAUS

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

United Airlines
7:30 amAUS
7h 14m
DEN · 1h 27m
3:44 pmIAD
United Airlines
8:15 amIAD
3h 50m
Nonstop
11:05 amAUS

Round-trip total · 1 adult · Taxes included

Make this trip yours

AUS ⇄ IAD

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 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 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 → 2027-01-04United AirlinesUA525 / UA637$455.402026-10-29T00:46:46Z
2026-12-21 → 2027-01-04Frontier AirlinesF94702 + F93692 / F94355 + F94523$246.682026-10-29T00:46:46Z
2026-12-21 → 2027-01-04American AirlinesAA2989 + AA5543 / AA2414 + AA2707$404.802026-10-29T00:46:46Z
2026-12-21 → 2027-01-04Delta Air LinesDL2899 + DL1695 / DL1444 + DL1491$423.782026-10-29T00:46:46Z
2026-12-21 → 2027-01-04Air Canada / United AirlinesAC1042 + AC8620 / UA637$530.152026-10-29T00:46:46Z
2026-12-21 → 2027-01-04United AirlinesUA2344 / UA637$455.402026-10-29T00:46:46Z
2026-12-21 → 2027-01-04Delta Air LinesDL1040 + DL5517 / DL1444 + DL1491$423.782026-10-29T00:46:46Z
2026-12-21 → 2027-01-04United AirlinesUA476 + UA2087 / UA637$432.652026-10-29T00:46:46Z

2026-12-21 → 2027-01-04 · $455.40

  • United Airlines UA525: AUS 2026-12-21 07:25:00 → IAD 2026-12-21 11:31:00; nonstop; 186 minutes. Local airport times.
  • United Airlines UA637: IAD 2027-01-04 08:15:00 → AUS 2027-01-04 11:05:00; nonstop; 230 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $246.68

  • Frontier Airlines F94702 / F93692: AUS 2026-12-21 11:10:00 → IAD 2026-12-21 17:38:00; 1 stop(s) via ATL; 328 minutes. Local airport times.
    • F94702: AUS 2026-12-21 11:10:00 → ATL 2026-12-21 14:32:00; layover at ATL: 72 minutes.
    • F93692: ATL 2026-12-21 15:44:00 → IAD 2026-12-21 17:38:00.
  • Frontier Airlines F94355 / F94523: IAD 2027-01-04 11:16:00 → AUS 2027-01-04 16:55:00; 1 stop(s) via MCO; 399 minutes. Local airport times.
    • F94355: IAD 2027-01-04 11:16:00 → MCO 2027-01-04 13:49:00; layover at MCO: 64 minutes.
    • F94523: MCO 2027-01-04 14:53:00 → AUS 2027-01-04 16:55:00.

2026-12-21 → 2027-01-04 · $404.80

  • American Airlines AA2989 / AA5543: AUS 2026-12-21 08:09:00 → IAD 2026-12-21 14:53:00; 1 stop(s) via CLT; 344 minutes. Local airport times.
    • AA2989: AUS 2026-12-21 08:09:00 → CLT 2026-12-21 11:52:00; layover at CLT: 90 minutes.
    • AA5543: CLT 2026-12-21 13:22:00 → IAD 2026-12-21 14:53:00.
  • American Airlines AA2414 / AA2707: IAD 2027-01-04 17:50:00 → AUS 2027-01-04 23:01:00; 1 stop(s) via DFW; 371 minutes. Local airport times.
    • AA2414: IAD 2027-01-04 17:50:00 → DFW 2027-01-04 20:30:00; layover at DFW: 84 minutes.
    • AA2707: DFW 2027-01-04 21:54:00 → AUS 2027-01-04 23:01:00.

2026-12-21 → 2027-01-04 · $423.78

  • Delta Air Lines DL2899 / DL1695: AUS 2026-12-21 08:20:00 → IAD 2026-12-21 16:02:00; 1 stop(s) via ATL; 402 minutes. Local airport times.
    • DL2899: AUS 2026-12-21 08:20:00 → ATL 2026-12-21 11:30:00; layover at ATL: 171 minutes.
    • DL1695: ATL 2026-12-21 14:21:00 → IAD 2026-12-21 16:02:00.
  • Delta Air Lines DL1444 / DL1491: IAD 2027-01-04 12:34:00 → AUS 2027-01-04 17:39:00; 1 stop(s) via ATL; 365 minutes. Local airport times.
    • DL1444: IAD 2027-01-04 12:34:00 → ATL 2027-01-04 14:31:00; layover at ATL: 94 minutes.
    • DL1491: ATL 2027-01-04 16:05:00 → AUS 2027-01-04 17:39:00.

2026-12-21 → 2027-01-04 · $530.15

  • Air Canada AC1042 / AC8620: AUS 2026-12-21 12:05:00 → IAD 2026-12-21 20:10:00; 1 stop(s) via YYZ; 425 minutes. Local airport times.
    • AC1042: AUS 2026-12-21 12:05:00 → YYZ 2026-12-21 16:28:00; layover at YYZ: 132 minutes.
    • AC8620: YYZ 2026-12-21 18:40:00 → IAD 2026-12-21 20:10:00.
  • United Airlines UA637: IAD 2027-01-04 08:15:00 → AUS 2027-01-04 11:05:00; nonstop; 230 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $455.40

  • United Airlines UA2344: AUS 2026-12-21 12:18:00 → IAD 2026-12-21 16:26:00; nonstop; 188 minutes. Local airport times.
  • United Airlines UA637: IAD 2027-01-04 08:15:00 → AUS 2027-01-04 11:05:00; nonstop; 230 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $423.78

  • Delta Air Lines DL1040 / DL5517: AUS 2026-12-21 05:10:00 → IAD 2026-12-21 11:56:00; 1 stop(s) via DTW; 346 minutes. Local airport times.
    • DL1040: AUS 2026-12-21 05:10:00 → DTW 2026-12-21 09:05:00; layover at DTW: 70 minutes.
    • DL5517: DTW 2026-12-21 10:15:00 → IAD 2026-12-21 11:56:00.
  • Delta Air Lines DL1444 / DL1491: IAD 2027-01-04 12:34:00 → AUS 2027-01-04 17:39:00; 1 stop(s) via ATL; 365 minutes. Local airport times.
    • DL1444: IAD 2027-01-04 12:34:00 → ATL 2027-01-04 14:31:00; layover at ATL: 94 minutes.
    • DL1491: ATL 2027-01-04 16:05:00 → AUS 2027-01-04 17:39:00.

2026-12-21 → 2027-01-04 · $432.65

  • United Airlines UA476 / UA2087: AUS 2026-12-21 07:30:00 → IAD 2026-12-21 15:44:00; 1 stop(s) via DEN; 434 minutes. Local airport times.
    • UA476: AUS 2026-12-21 07:30:00 → DEN 2026-12-21 08:53:00; layover at DEN: 87 minutes.
    • UA2087: DEN 2026-12-21 10:20:00 → IAD 2026-12-21 15:44:00.
  • United Airlines UA637: IAD 2027-01-04 08:15:00 → AUS 2027-01-04 11:05:00; nonstop; 230 minutes. Local airport times.

More dates for this route