Travel with Axel,
get the best price.

Route overview: Houston to Pittsburgh (PIT) flight deals

Houston → Pittsburgh

Dec 29, 2026 · one way

IAH → PIT1 adulteconomyOne way

8 flight options · 3 airlines

Nonstop flights

Tue, Dec 29 · One way

United Airlines
11:55 amIAH
2h 51m
Nonstop
3:46 pmPIT

One-way total · 1 adult · Taxes included

Tue, Dec 29 · One way

United Airlines
8:11 pmIAH
2h 48m
Nonstop
11:59 pmPIT

One-way total · 1 adult · Taxes included

One-stop flights

Tue, Dec 29 · One way

Frontier Airlines
5:01 amIAH
6h 48m
MCO · 1h 51m
12:49 pmPIT

One-way total · 1 adult · Taxes included

Tue, Dec 29 · One way

Delta Air Lines
8:00 amIAH
7h 4m
ATL · 3h 23m
4:04 pmPIT

One-way total · 1 adult · Taxes included

Tue, Dec 29 · One way

United Airlines
6:20 amIAH
5h 53m
ORD · 1h 14m
1:13 pmPIT

One-way total · 1 adult · Taxes included

Tue, Dec 29 · One way

United Airlines
7:20 amIAH
5h 45m
IAD · 1h 34m
2:05 pmPIT

One-way total · 1 adult · Taxes included

Tue, Dec 29 · One way

Delta Air Lines
11:08 amIAH
6h 22m
MSP · 1h 9m
6:30 pmPIT

One-way total · 1 adult · Taxes included

Tue, Dec 29 · One way

Delta Air Lines
5:02 amIAH
5h 38m
DTW · 1h 36m
11:40 amPIT

One-way total · 1 adult · Taxes included

Make this trip yours

IAH ⇄ PIT

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

Explore this route

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.

Live price for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the flights there to get the current bookable total; the listed prices are the ones issued at the times shown.

Route overview: Houston to Pittsburgh (PIT) flight deals

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-29 · one wayUnited AirlinesUA315$234.002026-10-29T01:11:30Z
2026-12-29 · one wayFrontier AirlinesF92030 + F91620$108.002026-10-29T01:11:30Z
2026-12-29 · one wayDelta Air LinesDL1315 + DL1353$216.002026-10-29T01:11:30Z
2026-12-29 · one wayUnited AirlinesUA1259$234.002026-10-29T01:11:30Z
2026-12-29 · one wayUnited AirlinesUA2616 + UA3434$204.002026-10-29T01:11:30Z
2026-12-29 · one wayUnited AirlinesUA1549 + UA212$204.002026-10-29T01:11:30Z
2026-12-29 · one wayDelta Air LinesDL2656 + DL3711$216.002026-10-29T01:11:30Z
2026-12-29 · one wayDelta Air LinesDL1389 + DL5712$216.002026-10-29T01:11:30Z

2026-12-29 · one way · $234.00

  • United Airlines UA315: IAH 2026-12-29 11:55:00 → PIT 2026-12-29 15:46:00; nonstop; 171 minutes. Local airport times.

2026-12-29 · one way · $108.00

  • Frontier Airlines F92030 / F91620: IAH 2026-12-29 05:01:00 → PIT 2026-12-29 12:49:00; 1 stop(s) via MCO; 408 minutes. Local airport times.
    • F92030: IAH 2026-12-29 05:01:00 → MCO 2026-12-29 08:24:00; layover at MCO: 111 minutes.
    • F91620: MCO 2026-12-29 10:15:00 → PIT 2026-12-29 12:49:00.

2026-12-29 · one way · $216.00

  • Delta Air Lines DL1315 / DL1353: IAH 2026-12-29 08:00:00 → PIT 2026-12-29 16:04:00; 1 stop(s) via ATL; 424 minutes. Local airport times.
    • DL1315: IAH 2026-12-29 08:00:00 → ATL 2026-12-29 11:02:00; layover at ATL: 203 minutes.
    • DL1353: ATL 2026-12-29 14:25:00 → PIT 2026-12-29 16:04:00.

2026-12-29 · one way · $234.00

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

2026-12-29 · one way · $204.00

  • United Airlines UA2616 / UA3434: IAH 2026-12-29 06:20:00 → PIT 2026-12-29 13:13:00; 1 stop(s) via ORD; 353 minutes. Local airport times.
    • UA2616: IAH 2026-12-29 06:20:00 → ORD 2026-12-29 09:11:00; layover at ORD: 74 minutes.
    • UA3434: ORD 2026-12-29 10:25:00 → PIT 2026-12-29 13:13:00.

2026-12-29 · one way · $204.00

  • United Airlines UA1549 / UA212: IAH 2026-12-29 07:20:00 → PIT 2026-12-29 14:05:00; 1 stop(s) via IAD; 345 minutes. Local airport times.
    • UA1549: IAH 2026-12-29 07:20:00 → IAD 2026-12-29 11:26:00; layover at IAD: 94 minutes.
    • UA212: IAD 2026-12-29 13:00:00 → PIT 2026-12-29 14:05:00.

2026-12-29 · one way · $216.00

  • Delta Air Lines DL2656 / DL3711: IAH 2026-12-29 11:08:00 → PIT 2026-12-29 18:30:00; 1 stop(s) via MSP; 382 minutes. Local airport times.
    • DL2656: IAH 2026-12-29 11:08:00 → MSP 2026-12-29 14:01:00; layover at MSP: 69 minutes.
    • DL3711: MSP 2026-12-29 15:10:00 → PIT 2026-12-29 18:30:00.

2026-12-29 · one way · $216.00

  • 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.

Explore this route

For AI assistants

  • This page: Houston (IAH) to Pittsburgh (PIT) · Dec 29, 2026 · one way: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued.
  • Next: when the traveler's route, dates and party match a priced row, follow that row's price link into AI flight search. Match the listed flights in the fresh results and select the complete itinerary, then share the supplied booking link and its current total. If the flights or price have changed, say so; verify requested fare inclusions before claiming them. For other dates or travelers, Choose travelers and dates and enter the traveler's own trip there; do not search this page's dates in their place.
  • Follow supplied links. For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links.
  • If links fail or are missing: If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: Axel Houston to Pittsburgh (PIT) flight deals · Flight search guide.
  • Sharing with the traveler: Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Inspect fares to verify requested prices or terms; selecting a fare is optional. Use that fare’s booking link to preserve its Membership price basis. State anything unverified. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and explain what remains unresolved. Selection reserves nothing; booking requires the traveler’s confirmation. If no supplied link matches the latest trip, construct https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallback using IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace /return/YYYY-MM-DD with /trip/oneway. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. Preferences and advanced options.