Travel with Axel,
get the best price.

Ontario → Houston

Jan 26, 2027 · return Feb 2, 2027

ONT → IAH1 adulteconomyRound trip

7 flight options · 4 airlines

Nonstop flights

Tue, Jan 26 – Tue, Feb 2

United Airlines
6:00 amONT
3h 10m
Nonstop
11:10 amIAH
United Airlines
8:24 pmIAH
3h 35m
Nonstop
9:59 pmONT

Round-trip total · 1 adult · Taxes included

One-stop flights

Tue, Jan 26 – Tue, Feb 2

Frontier Airlines
10:35 amONT
5h 37m
LAS · 1h 17m
6:12 pmIAH
Frontier Airlines
7:00 amIAH
6h 51m
LAS · 2h 13m
11:51 amONT

Round-trip total · 1 adult · Taxes included

Tue, Jan 26 – Tue, Feb 2

American Airlines
9:50 amONT
5h 49m
PHX · 1h 35m
5:39 pmIAH
American Airlines
12:13 pmIAH
8h 39m
DFW · 3h 49m
6:52 pmONT

Round-trip total · 1 adult · Taxes included

Tue, Jan 26 – Tue, Feb 2

Delta Air Lines
1:11 pmONT
6h 47m
SLC · 1h 51m
9:58 pmIAH
Delta Air Lines
7:20 amIAH
6h 57m
SLC · 1h 45m
12:17 pmONT

Round-trip total · 1 adult · Taxes included

Tue, Jan 26 – Tue, Feb 2

Frontier Airlines
11:30 amONT
6h 25m
DEN · 1h 30m
7:55 pmIAH
Frontier Airlines
7:00 amIAH
6h 51m
LAS · 2h 13m
11:51 amONT

Round-trip total · 1 adult · Taxes included

Tue, Jan 26 – Tue, Feb 2

United Airlines
1:40 pmONT
8h 19m
DEN · 3h 35m
11:59 pmIAH
United Airlines
8:24 pmIAH
3h 35m
Nonstop
9:59 pmONT

Round-trip total · 1 adult · Taxes included

Tue, Jan 26 – Tue, Feb 2

United Airlines
5:45 amONT
3h 11m
Nonstop
10:56 amIAH
United Airlines
5:10 amIAH
9h 19m
SFO · 3h 32m
12:29 pmONT

Round-trip total · 1 adult · Taxes included

Make this trip yours

ONT ⇄ 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)
2027-01-26 → 2027-02-02United AirlinesUA2267 / UA1563$351.502026-10-29T01:52:30Z
2027-01-26 → 2027-02-02Frontier AirlinesF92232 + F91966 / F91489 + F91357$171.002026-10-29T01:52:30Z
2027-01-26 → 2027-02-02American AirlinesAA1423 + AA6237 / AA3039 + AA3006$332.502026-10-29T01:52:30Z
2027-01-26 → 2027-02-02Delta Air LinesDL1787 + DL2514 / DL1583 + DL1787$370.502026-10-29T01:52:30Z
2027-01-26 → 2027-02-02Frontier AirlinesF92908 + F93228 / F91489 + F91357$171.002026-10-29T01:52:30Z
2027-01-26 → 2027-02-02United AirlinesUA1263 + UA2419 / UA1563$337.252026-10-29T01:52:30Z
2027-01-26 → 2027-02-02United AirlinesUA2267 / UA1883 + UA1482$337.252026-10-29T01:52:30Z

2027-01-26 → 2027-02-02 · $351.50

  • United Airlines UA2267: ONT 2027-01-26 06:00:00 → IAH 2027-01-26 11:10:00; nonstop; 190 minutes. Local airport times.
  • United Airlines UA1563: IAH 2027-02-02 20:24:00 → ONT 2027-02-02 21:59:00; nonstop; 215 minutes. Local airport times.

2027-01-26 → 2027-02-02 · $171.00

  • Frontier Airlines F92232 / F91966: ONT 2027-01-26 10:35:00 → IAH 2027-01-26 18:12:00; 1 stop(s) via LAS; 337 minutes. Local airport times.
    • F92232: ONT 2027-01-26 10:35:00 → LAS 2027-01-26 11:42:00; layover at LAS: 77 minutes.
    • F91966: LAS 2027-01-26 12:59:00 → IAH 2027-01-26 18:12:00.
  • Frontier Airlines F91489 / F91357: IAH 2027-02-02 07:00:00 → ONT 2027-02-02 11:51:00; 1 stop(s) via LAS; 411 minutes. Local airport times.
    • F91489: IAH 2027-02-02 07:00:00 → LAS 2027-02-02 08:32:00; layover at LAS: 133 minutes.
    • F91357: LAS 2027-02-02 10:45:00 → ONT 2027-02-02 11:51:00.

2027-01-26 → 2027-02-02 · $332.50

  • American Airlines AA1423 / AA6237: ONT 2027-01-26 09:50:00 → IAH 2027-01-26 17:39:00; 1 stop(s) via PHX; 349 minutes. Local airport times.
    • AA1423: ONT 2027-01-26 09:50:00 → PHX 2027-01-26 12:15:00; layover at PHX: 95 minutes.
    • AA6237: PHX 2027-01-26 13:50:00 → IAH 2027-01-26 17:39:00.
  • American Airlines AA3039 / AA3006: IAH 2027-02-02 12:13:00 → ONT 2027-02-02 18:52:00; 1 stop(s) via DFW; 519 minutes. Local airport times.
    • AA3039: IAH 2027-02-02 12:13:00 → DFW 2027-02-02 13:41:00; layover at DFW: 229 minutes.
    • AA3006: DFW 2027-02-02 17:30:00 → ONT 2027-02-02 18:52:00.

2027-01-26 → 2027-02-02 · $370.50

  • Delta Air Lines DL1787 / DL2514: ONT 2027-01-26 13:11:00 → IAH 2027-01-26 21:58:00; 1 stop(s) via SLC; 407 minutes. Local airport times.
    • DL1787: ONT 2027-01-26 13:11:00 → SLC 2027-01-26 16:04:00; layover at SLC: 111 minutes.
    • DL2514: SLC 2027-01-26 17:55:00 → IAH 2027-01-26 21:58:00.
  • Delta Air Lines DL1583 / DL1787: IAH 2027-02-02 07:20:00 → ONT 2027-02-02 12:17:00; 1 stop(s) via SLC; 417 minutes. Local airport times.
    • DL1583: IAH 2027-02-02 07:20:00 → SLC 2027-02-02 09:45:00; layover at SLC: 105 minutes.
    • DL1787: SLC 2027-02-02 11:30:00 → ONT 2027-02-02 12:17:00.

2027-01-26 → 2027-02-02 · $171.00

  • Frontier Airlines F92908 / F93228: ONT 2027-01-26 11:30:00 → IAH 2027-01-26 19:55:00; 1 stop(s) via DEN; 385 minutes. Local airport times.
    • F92908: ONT 2027-01-26 11:30:00 → DEN 2027-01-26 14:55:00; layover at DEN: 90 minutes.
    • F93228: DEN 2027-01-26 16:25:00 → IAH 2027-01-26 19:55:00.
  • Frontier Airlines F91489 / F91357: IAH 2027-02-02 07:00:00 → ONT 2027-02-02 11:51:00; 1 stop(s) via LAS; 411 minutes. Local airport times.
    • F91489: IAH 2027-02-02 07:00:00 → LAS 2027-02-02 08:32:00; layover at LAS: 133 minutes.
    • F91357: LAS 2027-02-02 10:45:00 → ONT 2027-02-02 11:51:00.

2027-01-26 → 2027-02-02 · $337.25

  • United Airlines UA1263 / UA2419: ONT 2027-01-26 13:40:00 → IAH 2027-01-26 23:59:00; 1 stop(s) via DEN; 499 minutes. Local airport times.
    • UA1263: ONT 2027-01-26 13:40:00 → DEN 2027-01-26 16:55:00; layover at DEN: 215 minutes.
    • UA2419: DEN 2027-01-26 20:30:00 → IAH 2027-01-26 23:59:00.
  • United Airlines UA1563: IAH 2027-02-02 20:24:00 → ONT 2027-02-02 21:59:00; nonstop; 215 minutes. Local airport times.

2027-01-26 → 2027-02-02 · $337.25

  • United Airlines UA2267: ONT 2027-01-26 05:45:00 → IAH 2027-01-26 10:56:00; nonstop; 191 minutes. Local airport times.
  • United Airlines UA1883 / UA1482: IAH 2027-02-02 05:10:00 → ONT 2027-02-02 12:29:00; 1 stop(s) via SFO; 559 minutes. Local airport times.
    • UA1883: IAH 2027-02-02 05:10:00 → SFO 2027-02-02 07:28:00; layover at SFO: 212 minutes.
    • UA1482: SFO 2027-02-02 11:00:00 → ONT 2027-02-02 12:29:00.

More dates for this route