Travel with Axel,
get the best price.

Dulles → Houston

Choose your travel dates

IAD → IAH1 adulteconomy

24 flight options · 3 airlines

Round-trip flights

Fri, Nov 27 – Fri, Dec 4

United Airlines
6:00 amIAD
3h 33m
Nonstop
8:33 amIAH
United Airlines
4:50 pmIAH
3h 1m
Nonstop
8:51 pmIAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

American Airlines
3:23 pmIAD
6h 1m
CLT · 1h 29m
8:24 pmIAH
United Airlines
4:50 pmIAH
3h 1m
Nonstop
8:51 pmIAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Delta Air Lines
12:34 pmIAD
6h 6m
ATL · 1h 51m
5:40 pmIAH
United Airlines
4:50 pmIAH
3h 1m
Nonstop
8:51 pmIAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
5:54 pmIAD
3h 36m
Nonstop
8:30 pmIAH
United Airlines
8:38 pmIAH
2h 59m
Nonstop
12:37 am+1IAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

United Airlines
5:54 pmIAD
3h 36m
Nonstop
8:30 pmIAH
United Airlines
4:50 pmIAH
3h 1m
Nonstop
8:51 pmIAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
6:00 amIAD
3h 33m
Nonstop
8:33 amIAH
United Airlines
8:38 pmIAH
2h 59m
Nonstop
12:37 am+1IAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

United Airlines
8:15 amIAD
6h 8m
AUS · 1h 6m
1:23 pmIAH
United Airlines
4:50 pmIAH
3h 1m
Nonstop
8:51 pmIAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

United Airlines
12:35 pmIAD
5h 46m
ATL · 1h 20m
5:21 pmIAH
United Airlines
4:50 pmIAH
3h 1m
Nonstop
8:51 pmIAD

Round-trip total · 1 adult · Taxes included

Show 8 more flights

Fri, Nov 27 – Fri, Dec 4

United Airlines
8:15 amIAD
6h
BNA · 1h 24m
1:15 pmIAH
United Airlines
4:50 pmIAH
3h 1m
Nonstop
8:51 pmIAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

United Airlines
8:20 amIAD
6h 15m
MSY · 1h 56m
1:35 pmIAH
United Airlines
4:50 pmIAH
3h 1m
Nonstop
8:51 pmIAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

American Airlines
3:23 pmIAD
6h 1m
CLT · 1h 29m
8:24 pmIAH
United Airlines
8:38 pmIAH
2h 59m
Nonstop
12:37 am+1IAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
8:15 amIAD
6h
BNA · 1h 24m
1:15 pmIAH
United Airlines
8:38 pmIAH
2h 59m
Nonstop
12:37 am+1IAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
8:15 amIAD
6h 8m
AUS · 1h 6m
1:23 pmIAH
United Airlines
8:38 pmIAH
2h 59m
Nonstop
12:37 am+1IAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
8:20 amIAD
6h 15m
MSY · 1h 56m
1:35 pmIAH
United Airlines
8:38 pmIAH
2h 59m
Nonstop
12:37 am+1IAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
12:35 pmIAD
5h 46m
ATL · 1h 20m
5:21 pmIAH
United Airlines
8:38 pmIAH
2h 59m
Nonstop
12:37 am+1IAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Delta Air Lines
12:34 pmIAD
6h 6m
ATL · 1h 51m
5:40 pmIAH
United Airlines
8:38 pmIAH
2h 59m
Nonstop
12:37 am+1IAD

Round-trip total · 1 adult · Taxes included

One-way flights

Fri, Nov 20 · One way

United Airlines
6:00 amIAD
3h 33m
Nonstop
8:33 amIAH

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

American Airlines
3:23 pmIAD
6h 1m
CLT · 1h 29m
8:24 pmIAH

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Delta Air Lines
12:34 pmIAD
6h 6m
ATL · 1h 51m
5:40 pmIAH

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
5:54 pmIAD
3h 36m
Nonstop
8:30 pmIAH

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
8:20 amIAD
6h 15m
MSY · 1h 56m
1:35 pmIAH

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
8:15 amIAD
6h
BNA · 1h 24m
1:15 pmIAH

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
8:15 amIAD
6h 8m
AUS · 1h 6m
1:23 pmIAH

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
12:35 pmIAD
5h 46m
ATL · 1h 20m
5:21 pmIAH

One-way total · 1 adult · Taxes included

Make this trip yours

IAD ⇄ IAH

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.
  • 24-hour cancellationCancel within 24 hours of booking for a full refund when your departure is at least 7 days away. Closer to departure, the airline’s fare rules apply. 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

Nov 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)
2026-11-20 · one wayUnited AirlinesUA785$245.702026-10-29T01:06:33Z
2026-11-27 → 2026-12-04United AirlinesUA785 / UA2388$388.702026-10-29T01:06:33Z
2026-11-20 · one wayAmerican AirlinesAA5543 + AA2297$219.702026-10-29T01:06:33Z
2026-11-20 · one wayDelta Air LinesDL1444 + DL1223$232.702026-10-29T01:06:33Z
2026-11-27 → 2026-12-04American Airlines / United AirlinesAA5543 + AA2297 / UA2388$369.202026-10-29T01:06:33Z
2026-11-27 → 2026-12-04Delta Air Lines / United AirlinesDL1444 + DL1223 / UA2388$382.202026-10-29T01:06:33Z
2026-11-20 → 2026-11-23United AirlinesUA1317 / UA750$439.402026-10-29T01:06:33Z
2026-11-20 · one wayUnited AirlinesUA1317$245.702026-10-29T01:06:33Z
2026-11-27 → 2026-12-04United AirlinesUA1317 / UA2388$388.702026-10-29T01:06:33Z
2026-11-20 → 2026-11-23United AirlinesUA785 / UA750$439.402026-10-29T01:06:33Z
2026-11-20 · one wayUnited AirlinesUA1366 + UA2253$226.202026-10-29T01:06:33Z
2026-11-20 · one wayUnited AirlinesUA1366 + UA4021$226.202026-10-29T01:06:33Z
2026-11-20 · one wayUnited AirlinesUA637 + UA1747$226.202026-10-29T01:06:33Z
2026-11-20 · one wayUnited AirlinesUA471 + UA521$226.202026-10-29T01:06:33Z
2026-11-27 → 2026-12-04United AirlinesUA637 + UA1747 / UA2388$375.702026-10-29T01:06:33Z
2026-11-27 → 2026-12-04United AirlinesUA471 + UA521 / UA2388$375.702026-10-29T01:06:33Z
2026-11-27 → 2026-12-04United AirlinesUA1366 + UA4021 / UA2388$375.702026-10-29T01:06:33Z
2026-11-27 → 2026-12-04United AirlinesUA1366 + UA2253 / UA2388$375.702026-10-29T01:06:33Z
2026-11-20 → 2026-11-23American Airlines / United AirlinesAA5543 + AA2297 / UA750$419.902026-10-29T01:06:33Z
2026-11-20 → 2026-11-23United AirlinesUA1366 + UA4021 / UA750$426.402026-10-29T01:06:33Z
2026-11-20 → 2026-11-23United AirlinesUA637 + UA1747 / UA750$426.402026-10-29T01:06:33Z
2026-11-20 → 2026-11-23United AirlinesUA1366 + UA2253 / UA750$426.402026-10-29T01:06:33Z
2026-11-20 → 2026-11-23United AirlinesUA471 + UA521 / UA750$426.402026-10-29T01:06:33Z
2026-11-20 → 2026-11-23Delta Air Lines / United AirlinesDL1444 + DL1223 / UA750$432.902026-10-29T01:06:33Z

2026-11-20 · one way · $245.70

  • United Airlines UA785: IAD 2026-11-20 06:00:00 → IAH 2026-11-20 08:33:00; nonstop; 213 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $388.70

  • United Airlines UA785: IAD 2026-11-27 06:00:00 → IAH 2026-11-27 08:33:00; nonstop; 213 minutes. Local airport times.
  • United Airlines UA2388: IAH 2026-12-04 16:50:00 → IAD 2026-12-04 20:51:00; nonstop; 181 minutes. Local airport times.

2026-11-20 · one way · $219.70

  • American Airlines AA5543 / AA2297: IAD 2026-11-20 15:23:00 → IAH 2026-11-20 20:24:00; 1 stop(s) via CLT; 361 minutes. Local airport times.
    • AA5543: IAD 2026-11-20 15:23:00 → CLT 2026-11-20 17:01:00; layover at CLT: 89 minutes.
    • AA2297: CLT 2026-11-20 18:30:00 → IAH 2026-11-20 20:24:00.

2026-11-20 · one way · $232.70

  • Delta Air Lines DL1444 / DL1223: IAD 2026-11-20 12:34:00 → IAH 2026-11-20 17:40:00; 1 stop(s) via ATL; 366 minutes. Local airport times.
    • DL1444: IAD 2026-11-20 12:34:00 → ATL 2026-11-20 14:31:00; layover at ATL: 111 minutes.
    • DL1223: ATL 2026-11-20 16:22:00 → IAH 2026-11-20 17:40:00.

2026-11-27 → 2026-12-04 · $369.20

  • American Airlines AA5543 / AA2297: IAD 2026-11-27 15:23:00 → IAH 2026-11-27 20:24:00; 1 stop(s) via CLT; 361 minutes. Local airport times.
    • AA5543: IAD 2026-11-27 15:23:00 → CLT 2026-11-27 17:01:00; layover at CLT: 89 minutes.
    • AA2297: CLT 2026-11-27 18:30:00 → IAH 2026-11-27 20:24:00.
  • United Airlines UA2388: IAH 2026-12-04 16:50:00 → IAD 2026-12-04 20:51:00; nonstop; 181 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $382.20

  • Delta Air Lines DL1444 / DL1223: IAD 2026-11-27 12:34:00 → IAH 2026-11-27 17:40:00; 1 stop(s) via ATL; 366 minutes. Local airport times.
    • DL1444: IAD 2026-11-27 12:34:00 → ATL 2026-11-27 14:31:00; layover at ATL: 111 minutes.
    • DL1223: ATL 2026-11-27 16:22:00 → IAH 2026-11-27 17:40:00.
  • United Airlines UA2388: IAH 2026-12-04 16:50:00 → IAD 2026-12-04 20:51:00; nonstop; 181 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $439.40

  • United Airlines UA1317: IAD 2026-11-20 17:54:00 → IAH 2026-11-20 20:30:00; nonstop; 216 minutes. Local airport times.
  • United Airlines UA750: IAH 2026-11-23 20:38:00 → IAD 2026-11-24 00:37:00; nonstop; 179 minutes. Local airport times.

2026-11-20 · one way · $245.70

  • United Airlines UA1317: IAD 2026-11-20 17:54:00 → IAH 2026-11-20 20:30:00; nonstop; 216 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $388.70

  • United Airlines UA1317: IAD 2026-11-27 17:54:00 → IAH 2026-11-27 20:30:00; nonstop; 216 minutes. Local airport times.
  • United Airlines UA2388: IAH 2026-12-04 16:50:00 → IAD 2026-12-04 20:51:00; nonstop; 181 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $439.40

  • United Airlines UA785: IAD 2026-11-20 06:00:00 → IAH 2026-11-20 08:33:00; nonstop; 213 minutes. Local airport times.
  • United Airlines UA750: IAH 2026-11-23 20:38:00 → IAD 2026-11-24 00:37:00; nonstop; 179 minutes. Local airport times.

2026-11-20 · one way · $226.20

  • United Airlines UA1366 / UA2253: IAD 2026-11-20 08:20:00 → IAH 2026-11-20 13:35:00; 1 stop(s) via MSY; 375 minutes. Local airport times.
    • UA1366: IAD 2026-11-20 08:20:00 → MSY 2026-11-20 10:17:00; layover at MSY: 116 minutes.
    • UA2253: MSY 2026-11-20 12:13:00 → IAH 2026-11-20 13:35:00.

2026-11-20 · one way · $226.20

  • United Airlines UA1366 / UA4021: IAD 2026-11-20 08:15:00 → IAH 2026-11-20 13:15:00; 1 stop(s) via BNA; 360 minutes. Local airport times.
    • UA1366: IAD 2026-11-20 08:15:00 → BNA 2026-11-20 09:21:00; layover at BNA: 84 minutes.
    • UA4021: BNA 2026-11-20 10:45:00 → IAH 2026-11-20 13:15:00.

2026-11-20 · one way · $226.20

  • United Airlines UA637 / UA1747: IAD 2026-11-20 08:15:00 → IAH 2026-11-20 13:23:00; 1 stop(s) via AUS; 368 minutes. Local airport times.
    • UA637: IAD 2026-11-20 08:15:00 → AUS 2026-11-20 11:05:00; layover at AUS: 66 minutes.
    • UA1747: AUS 2026-11-20 12:11:00 → IAH 2026-11-20 13:23:00.

2026-11-20 · one way · $226.20

  • United Airlines UA471 / UA521: IAD 2026-11-20 12:35:00 → IAH 2026-11-20 17:21:00; 1 stop(s) via ATL; 346 minutes. Local airport times.
    • UA471: IAD 2026-11-20 12:35:00 → ATL 2026-11-20 14:37:00; layover at ATL: 80 minutes.
    • UA521: ATL 2026-11-20 15:57:00 → IAH 2026-11-20 17:21:00.

2026-11-27 → 2026-12-04 · $375.70

  • United Airlines UA637 / UA1747: IAD 2026-11-27 08:15:00 → IAH 2026-11-27 13:23:00; 1 stop(s) via AUS; 368 minutes. Local airport times.
    • UA637: IAD 2026-11-27 08:15:00 → AUS 2026-11-27 11:05:00; layover at AUS: 66 minutes.
    • UA1747: AUS 2026-11-27 12:11:00 → IAH 2026-11-27 13:23:00.
  • United Airlines UA2388: IAH 2026-12-04 16:50:00 → IAD 2026-12-04 20:51:00; nonstop; 181 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $375.70

  • United Airlines UA471 / UA521: IAD 2026-11-27 12:35:00 → IAH 2026-11-27 17:21:00; 1 stop(s) via ATL; 346 minutes. Local airport times.
    • UA471: IAD 2026-11-27 12:35:00 → ATL 2026-11-27 14:37:00; layover at ATL: 80 minutes.
    • UA521: ATL 2026-11-27 15:57:00 → IAH 2026-11-27 17:21:00.
  • United Airlines UA2388: IAH 2026-12-04 16:50:00 → IAD 2026-12-04 20:51:00; nonstop; 181 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $375.70

  • United Airlines UA1366 / UA4021: IAD 2026-11-27 08:15:00 → IAH 2026-11-27 13:15:00; 1 stop(s) via BNA; 360 minutes. Local airport times.
    • UA1366: IAD 2026-11-27 08:15:00 → BNA 2026-11-27 09:21:00; layover at BNA: 84 minutes.
    • UA4021: BNA 2026-11-27 10:45:00 → IAH 2026-11-27 13:15:00.
  • United Airlines UA2388: IAH 2026-12-04 16:50:00 → IAD 2026-12-04 20:51:00; nonstop; 181 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $375.70

  • United Airlines UA1366 / UA2253: IAD 2026-11-27 08:20:00 → IAH 2026-11-27 13:35:00; 1 stop(s) via MSY; 375 minutes. Local airport times.
    • UA1366: IAD 2026-11-27 08:20:00 → MSY 2026-11-27 10:17:00; layover at MSY: 116 minutes.
    • UA2253: MSY 2026-11-27 12:13:00 → IAH 2026-11-27 13:35:00.
  • United Airlines UA2388: IAH 2026-12-04 16:50:00 → IAD 2026-12-04 20:51:00; nonstop; 181 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $419.90

  • American Airlines AA5543 / AA2297: IAD 2026-11-20 15:23:00 → IAH 2026-11-20 20:24:00; 1 stop(s) via CLT; 361 minutes. Local airport times.
    • AA5543: IAD 2026-11-20 15:23:00 → CLT 2026-11-20 17:01:00; layover at CLT: 89 minutes.
    • AA2297: CLT 2026-11-20 18:30:00 → IAH 2026-11-20 20:24:00.
  • United Airlines UA750: IAH 2026-11-23 20:38:00 → IAD 2026-11-24 00:37:00; nonstop; 179 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $426.40

  • United Airlines UA1366 / UA4021: IAD 2026-11-20 08:15:00 → IAH 2026-11-20 13:15:00; 1 stop(s) via BNA; 360 minutes. Local airport times.
    • UA1366: IAD 2026-11-20 08:15:00 → BNA 2026-11-20 09:21:00; layover at BNA: 84 minutes.
    • UA4021: BNA 2026-11-20 10:45:00 → IAH 2026-11-20 13:15:00.
  • United Airlines UA750: IAH 2026-11-23 20:38:00 → IAD 2026-11-24 00:37:00; nonstop; 179 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $426.40

  • United Airlines UA637 / UA1747: IAD 2026-11-20 08:15:00 → IAH 2026-11-20 13:23:00; 1 stop(s) via AUS; 368 minutes. Local airport times.
    • UA637: IAD 2026-11-20 08:15:00 → AUS 2026-11-20 11:05:00; layover at AUS: 66 minutes.
    • UA1747: AUS 2026-11-20 12:11:00 → IAH 2026-11-20 13:23:00.
  • United Airlines UA750: IAH 2026-11-23 20:38:00 → IAD 2026-11-24 00:37:00; nonstop; 179 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $426.40

  • United Airlines UA1366 / UA2253: IAD 2026-11-20 08:20:00 → IAH 2026-11-20 13:35:00; 1 stop(s) via MSY; 375 minutes. Local airport times.
    • UA1366: IAD 2026-11-20 08:20:00 → MSY 2026-11-20 10:17:00; layover at MSY: 116 minutes.
    • UA2253: MSY 2026-11-20 12:13:00 → IAH 2026-11-20 13:35:00.
  • United Airlines UA750: IAH 2026-11-23 20:38:00 → IAD 2026-11-24 00:37:00; nonstop; 179 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $426.40

  • United Airlines UA471 / UA521: IAD 2026-11-20 12:35:00 → IAH 2026-11-20 17:21:00; 1 stop(s) via ATL; 346 minutes. Local airport times.
    • UA471: IAD 2026-11-20 12:35:00 → ATL 2026-11-20 14:37:00; layover at ATL: 80 minutes.
    • UA521: ATL 2026-11-20 15:57:00 → IAH 2026-11-20 17:21:00.
  • United Airlines UA750: IAH 2026-11-23 20:38:00 → IAD 2026-11-24 00:37:00; nonstop; 179 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $432.90

  • Delta Air Lines DL1444 / DL1223: IAD 2026-11-20 12:34:00 → IAH 2026-11-20 17:40:00; 1 stop(s) via ATL; 366 minutes. Local airport times.
    • DL1444: IAD 2026-11-20 12:34:00 → ATL 2026-11-20 14:31:00; layover at ATL: 111 minutes.
    • DL1223: ATL 2026-11-20 16:22:00 → IAH 2026-11-20 17:40:00.
  • United Airlines UA750: IAH 2026-11-23 20:38:00 → IAD 2026-11-24 00:37:00; nonstop; 179 minutes. Local airport times.

More dates for this route