Travel with Axel,
get the best price.

Pittsburgh → Houston

Dec 22, 2026 · return Dec 29, 2026

PIT → IAH1 adulteconomyRound trip

8 flight options · 3 airlines

Nonstop flights

Tue, Dec 22 – Tue, Dec 29

United Airlines
4:58 pmPIT
3h 7m
Nonstop
7:05 pmIAH
United Airlines
8:11 pmIAH
2h 48m
Nonstop
11:59 pmPIT

Round-trip total · 1 adult · Taxes included

Tue, Dec 22 – Tue, Dec 29

United Airlines
6:00 amPIT
3h 16m
Nonstop
8:16 amIAH
United Airlines
8:11 pmIAH
2h 48m
Nonstop
11:59 pmPIT

Round-trip total · 1 adult · Taxes included

One-stop flights

Tue, Dec 22 – Tue, Dec 29

American Airlines
7:14 pmPIT
5h 45m
DFW · 1h 11m
11:59 pmIAH
United Airlines
8:11 pmIAH
2h 48m
Nonstop
11:59 pmPIT

Round-trip total · 1 adult · Taxes included

Tue, Dec 22 – Tue, Dec 29

Delta Air Lines
3:59 pmPIT
6h 26m
MSP · 1h 1m
9:25 pmIAH
Delta Air Lines
5:02 amIAH
5h 38m
DTW · 1h 36m
11:40 amPIT

Round-trip total · 1 adult · Taxes included

Tue, Dec 22 – Tue, Dec 29

United Airlines
7:57 pmPIT
6h 33m
IAD · 1h 36m
1:30 am+1IAH
United Airlines
8:11 pmIAH
2h 48m
Nonstop
11:59 pmPIT

Round-trip total · 1 adult · Taxes included

Tue, Dec 22 – Tue, Dec 29

United Airlines
7:25 pmPIT
6h 20m
ORD · 1h 23m
12:45 am+1IAH
United Airlines
8:11 pmIAH
2h 48m
Nonstop
11:59 pmPIT

Round-trip total · 1 adult · Taxes included

Tue, Dec 22 – Tue, Dec 29

Delta Air Lines
8:00 amPIT
6h 32m
ATL · 2h 18m
1:32 pmIAH
Delta Air Lines
5:02 amIAH
5h 38m
DTW · 1h 36m
11:40 amPIT

Round-trip total · 1 adult · Taxes included

Tue, Dec 22 – Tue, Dec 29

Delta Air Lines
10:31 amPIT
5h 46m
DTW · 1h 21m
3:17 pmIAH
Delta Air Lines
5:02 amIAH
5h 38m
DTW · 1h 36m
11:40 amPIT

Round-trip total · 1 adult · Taxes included

Make this trip yours

PIT ⇄ 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.
  • 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 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)
2026-12-22 → 2026-12-29United AirlinesUA1563 / UA1259$428.752026-10-29T01:57:01Z
2026-12-22 → 2026-12-29American Airlines / United AirlinesAA1510 + AA2882 / UA1259$410.002026-10-29T01:57:01Z
2026-12-22 → 2026-12-29Delta Air LinesDL5474 + DL2683 / DL1389 + DL5712$416.502026-10-29T01:57:01Z
2026-12-22 → 2026-12-29United AirlinesUA1859 / UA1259$428.752026-10-29T01:57:01Z
2026-12-22 → 2026-12-29United AirlinesUA3547 + UA674 / UA1259$416.252026-10-29T01:57:01Z
2026-12-22 → 2026-12-29United AirlinesUA3591 + UA2665 / UA1259$416.252026-10-29T01:57:01Z
2026-12-22 → 2026-12-29Delta Air LinesDL1383 + DL2709 / DL1389 + DL5712$416.502026-10-29T01:57:01Z
2026-12-22 → 2026-12-29Delta Air LinesDL5738 + DL1307 / DL1389 + DL5712$416.502026-10-29T01:57:01Z

2026-12-22 → 2026-12-29 · $428.75

  • United Airlines UA1563: PIT 2026-12-22 16:58:00 → IAH 2026-12-22 19:05:00; nonstop; 187 minutes. Local airport times.
  • United Airlines UA1259: IAH 2026-12-29 20:11:00 → PIT 2026-12-29 23:59:00; nonstop; 168 minutes. Local airport times.

2026-12-22 → 2026-12-29 · $410.00

  • American Airlines AA1510 / AA2882: PIT 2026-12-22 19:14:00 → IAH 2026-12-22 23:59:00; 1 stop(s) via DFW; 345 minutes. Local airport times.
    • AA1510: PIT 2026-12-22 19:14:00 → DFW 2026-12-22 21:38:00; layover at DFW: 71 minutes.
    • AA2882: DFW 2026-12-22 22:49:00 → IAH 2026-12-22 23:59:00.
  • United Airlines UA1259: IAH 2026-12-29 20:11:00 → PIT 2026-12-29 23:59:00; nonstop; 168 minutes. Local airport times.

2026-12-22 → 2026-12-29 · $416.50

  • Delta Air Lines DL5474 / DL2683: PIT 2026-12-22 15:59:00 → IAH 2026-12-22 21:25:00; 1 stop(s) via MSP; 386 minutes. Local airport times.
    • DL5474: PIT 2026-12-22 15:59:00 → MSP 2026-12-22 17:19:00; layover at MSP: 61 minutes.
    • DL2683: MSP 2026-12-22 18:20:00 → IAH 2026-12-22 21:25:00.
  • Delta Air Lines DL1389 / DL5712: IAH 2026-12-29 05:02:00 → PIT 2026-12-29 11:40:00; 1 stop(s) via DTW; 338 minutes. Local airport times.
    • DL1389: IAH 2026-12-29 05:02:00 → DTW 2026-12-29 08:49:00; layover at DTW: 96 minutes.
    • DL5712: DTW 2026-12-29 10:25:00 → PIT 2026-12-29 11:40:00.

2026-12-22 → 2026-12-29 · $428.75

  • United Airlines UA1859: PIT 2026-12-22 06:00:00 → IAH 2026-12-22 08:16:00; nonstop; 196 minutes. Local airport times.
  • United Airlines UA1259: IAH 2026-12-29 20:11:00 → PIT 2026-12-29 23:59:00; nonstop; 168 minutes. Local airport times.

2026-12-22 → 2026-12-29 · $416.25

  • United Airlines UA3547 / UA674: PIT 2026-12-22 19:57:00 → IAH 2026-12-23 01:30:00; 1 stop(s) via IAD; 393 minutes. Local airport times.
    • UA3547: PIT 2026-12-22 19:57:00 → IAD 2026-12-22 21:18:00; layover at IAD: 96 minutes.
    • UA674: IAD 2026-12-22 22:54:00 → IAH 2026-12-23 01:30:00.
  • United Airlines UA1259: IAH 2026-12-29 20:11:00 → PIT 2026-12-29 23:59:00; nonstop; 168 minutes. Local airport times.

2026-12-22 → 2026-12-29 · $416.25

  • United Airlines UA3591 / UA2665: PIT 2026-12-22 19:25:00 → IAH 2026-12-23 00:45:00; 1 stop(s) via ORD; 380 minutes. Local airport times.
    • UA3591: PIT 2026-12-22 19:25:00 → ORD 2026-12-22 20:20:00; layover at ORD: 83 minutes.
    • UA2665: ORD 2026-12-22 21:43:00 → IAH 2026-12-23 00:45:00.
  • United Airlines UA1259: IAH 2026-12-29 20:11:00 → PIT 2026-12-29 23:59:00; nonstop; 168 minutes. Local airport times.

2026-12-22 → 2026-12-29 · $416.50

  • Delta Air Lines DL1383 / DL2709: PIT 2026-12-22 08:00:00 → IAH 2026-12-22 13:32:00; 1 stop(s) via ATL; 392 minutes. Local airport times.
    • DL1383: PIT 2026-12-22 08:00:00 → ATL 2026-12-22 09:57:00; layover at ATL: 138 minutes.
    • DL2709: ATL 2026-12-22 12:15:00 → IAH 2026-12-22 13:32:00.
  • Delta Air Lines DL1389 / DL5712: IAH 2026-12-29 05:02:00 → PIT 2026-12-29 11:40:00; 1 stop(s) via DTW; 338 minutes. Local airport times.
    • DL1389: IAH 2026-12-29 05:02:00 → DTW 2026-12-29 08:49:00; layover at DTW: 96 minutes.
    • DL5712: DTW 2026-12-29 10:25:00 → PIT 2026-12-29 11:40:00.

2026-12-22 → 2026-12-29 · $416.50

  • Delta Air Lines DL5738 / DL1307: PIT 2026-12-22 10:31:00 → IAH 2026-12-22 15:17:00; 1 stop(s) via DTW; 346 minutes. Local airport times.
    • DL5738: PIT 2026-12-22 10:31:00 → DTW 2026-12-22 11:44:00; layover at DTW: 81 minutes.
    • DL1307: DTW 2026-12-22 13:05:00 → IAH 2026-12-22 15:17:00.
  • Delta Air Lines DL1389 / DL5712: IAH 2026-12-29 05:02:00 → PIT 2026-12-29 11:40:00; 1 stop(s) via DTW; 338 minutes. Local airport times.
    • DL1389: IAH 2026-12-29 05:02:00 → DTW 2026-12-29 08:49:00; layover at DTW: 96 minutes.
    • DL5712: DTW 2026-12-29 10:25:00 → PIT 2026-12-29 11:40:00.

More dates for this route