Travel with Axel,
get the best price.

Ontario → Houston

Choose your travel dates

ONT → IAH1 adulteconomy

21 flight options · 4 airlines

Round-trip flights

Fri, Nov 20 – Mon, Nov 23

United Airlines
6:00 amONT
3h 10m
Nonstop
11:10 amIAH
United Airlines
8:05 pmIAH
3h 35m
Nonstop
9:40 pmONT

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Frontier Airlines
10:35 amONT
5h 37m
LAS · 1h 17m
6:12 pmIAH
Frontier Airlines
6:26 amIAH
6h 9m
DEN · 1h 5m
10:35 amONT

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

American Airlines
9:50 amONT
5h 49m
PHX · 1h 35m
5:39 pmIAH
American Airlines
2:37 pmIAH
6h 44m
PHX · 2h 20m
7:21 pmONT

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

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

Fri, Nov 27 – Fri, Dec 4

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

Fri, Nov 20 – Mon, Nov 23

Frontier Airlines
10:35 amONT
5h 37m
LAS · 1h 17m
6:12 pmIAH
Frontier Airlines
6:26 amIAH
6h 9m
DEN · 1h 5m
10:35 amONT

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Frontier Airlines
11:30 amONT
6h 25m
DEN · 1h 30m
7:55 pmIAH
Frontier Airlines
6:26 amIAH
6h 9m
DEN · 1h 5m
10:35 amONT

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Frontier Airlines
11:30 amONT
6h 25m
DEN · 1h 30m
7:55 pmIAH
Frontier Airlines
6:26 amIAH
6h 9m
DEN · 1h 5m
10:35 amONT

Round-trip total · 1 adult · Taxes included

Show 6 more flights

Fri, Nov 27 – Fri, Dec 4

American Airlines
11:59 pmONT
6h 20m
DFW · 2h 7m
8:19 am+1IAH
American Airlines
2:37 pmIAH
6h 44m
PHX · 2h 20m
7:21 pmONT

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

American Airlines
11:59 pmONT
6h 20m
DFW · 2h 7m
8:19 am+1IAH
American Airlines
2:37 pmIAH
6h 44m
PHX · 2h 20m
7:21 pmONT

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

American Airlines
9:50 amONT
5h 49m
PHX · 1h 35m
5:39 pmIAH
American Airlines
2:37 pmIAH
6h 44m
PHX · 2h 20m
7:21 pmONT

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

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

Fri, Nov 27 – Fri, Dec 4

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

Fri, Nov 20 – Mon, Nov 23

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

One-way flights

Fri, Nov 20 · One way

United Airlines
6:00 amONT
3h 10m
Nonstop
11:10 amIAH

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Frontier Airlines
10:35 amONT
5h 37m
LAS · 1h 17m
6:12 pmIAH

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

American Airlines
11:59 pmONT
6h 20m
DFW · 2h 7m
8:19 am+1IAH

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Delta Air Lines
1:11 pmONT
6h 47m
SLC · 1h 51m
9:58 pmIAH

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Frontier Airlines
11:30 amONT
6h 25m
DEN · 1h 30m
7:55 pmIAH

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

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

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

American Airlines
9:50 amONT
5h 49m
PHX · 1h 35m
5:39 pmIAH

One-way 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.
  • 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 AirlinesUA2267$195.002026-10-29T01:52:30Z
2026-11-20 → 2026-11-23United AirlinesUA2267 / UA1563$434.752026-10-29T01:52:30Z
2026-11-20 · one wayFrontier AirlinesF92232 + F91966$95.002026-10-29T01:52:30Z
2026-11-20 · one wayAmerican AirlinesAA1162 + AA3967$185.002026-10-29T01:52:30Z
2026-11-20 · one wayDelta Air LinesDL1787 + DL2514$205.002026-10-29T01:52:30Z
2026-11-27 → 2026-12-04Frontier AirlinesF92232 + F91966 / F93229 + F92907$211.502026-10-29T01:52:30Z
2026-11-27 → 2026-12-04American AirlinesAA1423 + AA6237 / AA2873 + AA1666$411.252026-10-29T01:52:30Z
2026-11-27 → 2026-12-04Delta Air LinesDL1787 + DL2514 / DL1583 + DL1787$458.252026-10-29T01:52:30Z
2026-11-27 → 2026-12-04United AirlinesUA2267 / UA1563$434.752026-10-29T01:52:30Z
2026-11-20 · one wayFrontier AirlinesF92908 + F93228$95.002026-10-29T01:52:30Z
2026-11-20 · one wayUnited AirlinesUA1263 + UA2419$180.002026-10-29T01:52:30Z
2026-11-20 · one wayAmerican AirlinesAA1423 + AA6237$185.002026-10-29T01:52:30Z
2026-11-20 → 2026-11-23Frontier AirlinesF92232 + F91966 / F93229 + F92907$211.502026-10-29T01:52:30Z
2026-11-27 → 2026-12-04Frontier AirlinesF92908 + F93228 / F93229 + F92907$211.502026-10-29T01:52:30Z
2026-11-20 → 2026-11-23Frontier AirlinesF92908 + F93228 / F93229 + F92907$211.502026-10-29T01:52:30Z
2026-11-27 → 2026-12-04American AirlinesAA1162 + AA3967 / AA2873 + AA1666$411.252026-10-29T01:52:30Z
2026-11-20 → 2026-11-23American AirlinesAA1162 + AA3967 / AA2873 + AA1666$411.252026-10-29T01:52:30Z
2026-11-20 → 2026-11-23American AirlinesAA1423 + AA6237 / AA2873 + AA1666$411.252026-10-29T01:52:30Z
2026-11-20 → 2026-11-23United AirlinesUA2267 / UA1883 + UA1482$414.502026-10-29T01:52:30Z
2026-11-27 → 2026-12-04United AirlinesUA2267 / UA1883 + UA1482$419.752026-10-29T01:52:30Z
2026-11-20 → 2026-11-23Delta Air LinesDL1787 + DL2514 / DL1583 + DL1787$458.252026-10-29T01:52:30Z

2026-11-20 · one way · $195.00

  • United Airlines UA2267: ONT 2026-11-20 06:00:00 → IAH 2026-11-20 11:10:00; nonstop; 190 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $434.75

  • United Airlines UA2267: ONT 2026-11-20 06:00:00 → IAH 2026-11-20 11:10:00; nonstop; 190 minutes. Local airport times.
  • United Airlines UA1563: IAH 2026-11-23 20:05:00 → ONT 2026-11-23 21:40:00; nonstop; 215 minutes. Local airport times.

2026-11-20 · one way · $95.00

  • Frontier Airlines F92232 / F91966: ONT 2026-11-20 10:35:00 → IAH 2026-11-20 18:12:00; 1 stop(s) via LAS; 337 minutes. Local airport times.
    • F92232: ONT 2026-11-20 10:35:00 → LAS 2026-11-20 11:42:00; layover at LAS: 77 minutes.
    • F91966: LAS 2026-11-20 12:59:00 → IAH 2026-11-20 18:12:00.

2026-11-20 · one way · $185.00

  • American Airlines AA1162 / AA3967: ONT 2026-11-20 23:59:00 → IAH 2026-11-21 08:19:00; 1 stop(s) via DFW; 380 minutes. Local airport times.
    • AA1162: ONT 2026-11-20 23:59:00 → DFW 2026-11-21 04:53:00; layover at DFW: 127 minutes.
    • AA3967: DFW 2026-11-21 07:00:00 → IAH 2026-11-21 08:19:00.

2026-11-20 · one way · $205.00

  • Delta Air Lines DL1787 / DL2514: ONT 2026-11-20 13:11:00 → IAH 2026-11-20 21:58:00; 1 stop(s) via SLC; 407 minutes. Local airport times.
    • DL1787: ONT 2026-11-20 13:11:00 → SLC 2026-11-20 16:04:00; layover at SLC: 111 minutes.
    • DL2514: SLC 2026-11-20 17:55:00 → IAH 2026-11-20 21:58:00.

2026-11-27 → 2026-12-04 · $211.50

  • Frontier Airlines F92232 / F91966: ONT 2026-11-27 10:35:00 → IAH 2026-11-27 18:12:00; 1 stop(s) via LAS; 337 minutes. Local airport times.
    • F92232: ONT 2026-11-27 10:35:00 → LAS 2026-11-27 11:42:00; layover at LAS: 77 minutes.
    • F91966: LAS 2026-11-27 12:59:00 → IAH 2026-11-27 18:12:00.
  • Frontier Airlines F93229 / F92907: IAH 2026-12-04 06:26:00 → ONT 2026-12-04 10:35:00; 1 stop(s) via DEN; 369 minutes. Local airport times.
    • F93229: IAH 2026-12-04 06:26:00 → DEN 2026-12-04 08:05:00; layover at DEN: 65 minutes.
    • F92907: DEN 2026-12-04 09:10:00 → ONT 2026-12-04 10:35:00.

2026-11-27 → 2026-12-04 · $411.25

  • American Airlines AA1423 / AA6237: ONT 2026-11-27 09:50:00 → IAH 2026-11-27 17:39:00; 1 stop(s) via PHX; 349 minutes. Local airport times.
    • AA1423: ONT 2026-11-27 09:50:00 → PHX 2026-11-27 12:15:00; layover at PHX: 95 minutes.
    • AA6237: PHX 2026-11-27 13:50:00 → IAH 2026-11-27 17:39:00.
  • American Airlines AA2873 / AA1666: IAH 2026-12-04 14:37:00 → ONT 2026-12-04 19:21:00; 1 stop(s) via PHX; 404 minutes. Local airport times.
    • AA2873: IAH 2026-12-04 14:37:00 → PHX 2026-12-04 16:38:00; layover at PHX: 140 minutes.
    • AA1666: PHX 2026-12-04 18:58:00 → ONT 2026-12-04 19:21:00.

2026-11-27 → 2026-12-04 · $458.25

  • Delta Air Lines DL1787 / DL2514: ONT 2026-11-27 13:11:00 → IAH 2026-11-27 21:58:00; 1 stop(s) via SLC; 407 minutes. Local airport times.
    • DL1787: ONT 2026-11-27 13:11:00 → SLC 2026-11-27 16:04:00; layover at SLC: 111 minutes.
    • DL2514: SLC 2026-11-27 17:55:00 → IAH 2026-11-27 21:58:00.
  • Delta Air Lines DL1583 / DL1787: IAH 2026-12-04 07:20:00 → ONT 2026-12-04 12:17:00; 1 stop(s) via SLC; 417 minutes. Local airport times.
    • DL1583: IAH 2026-12-04 07:20:00 → SLC 2026-12-04 09:45:00; layover at SLC: 105 minutes.
    • DL1787: SLC 2026-12-04 11:30:00 → ONT 2026-12-04 12:17:00.

2026-11-27 → 2026-12-04 · $434.75

  • United Airlines UA2267: ONT 2026-11-27 06:00:00 → IAH 2026-11-27 11:10:00; nonstop; 190 minutes. Local airport times.
  • United Airlines UA1563: IAH 2026-12-04 20:24:00 → ONT 2026-12-04 21:59:00; nonstop; 215 minutes. Local airport times.

2026-11-20 · one way · $95.00

  • Frontier Airlines F92908 / F93228: ONT 2026-11-20 11:30:00 → IAH 2026-11-20 19:55:00; 1 stop(s) via DEN; 385 minutes. Local airport times.
    • F92908: ONT 2026-11-20 11:30:00 → DEN 2026-11-20 14:55:00; layover at DEN: 90 minutes.
    • F93228: DEN 2026-11-20 16:25:00 → IAH 2026-11-20 19:55:00.

2026-11-20 · one way · $180.00

  • United Airlines UA1263 / UA2419: ONT 2026-11-20 13:40:00 → IAH 2026-11-20 23:59:00; 1 stop(s) via DEN; 499 minutes. Local airport times.
    • UA1263: ONT 2026-11-20 13:40:00 → DEN 2026-11-20 16:55:00; layover at DEN: 215 minutes.
    • UA2419: DEN 2026-11-20 20:30:00 → IAH 2026-11-20 23:59:00.

2026-11-20 · one way · $185.00

  • American Airlines AA1423 / AA6237: ONT 2026-11-20 09:50:00 → IAH 2026-11-20 17:39:00; 1 stop(s) via PHX; 349 minutes. Local airport times.
    • AA1423: ONT 2026-11-20 09:50:00 → PHX 2026-11-20 12:15:00; layover at PHX: 95 minutes.
    • AA6237: PHX 2026-11-20 13:50:00 → IAH 2026-11-20 17:39:00.

2026-11-20 → 2026-11-23 · $211.50

  • Frontier Airlines F92232 / F91966: ONT 2026-11-20 10:35:00 → IAH 2026-11-20 18:12:00; 1 stop(s) via LAS; 337 minutes. Local airport times.
    • F92232: ONT 2026-11-20 10:35:00 → LAS 2026-11-20 11:42:00; layover at LAS: 77 minutes.
    • F91966: LAS 2026-11-20 12:59:00 → IAH 2026-11-20 18:12:00.
  • Frontier Airlines F93229 / F92907: IAH 2026-11-23 06:26:00 → ONT 2026-11-23 10:35:00; 1 stop(s) via DEN; 369 minutes. Local airport times.
    • F93229: IAH 2026-11-23 06:26:00 → DEN 2026-11-23 08:05:00; layover at DEN: 65 minutes.
    • F92907: DEN 2026-11-23 09:10:00 → ONT 2026-11-23 10:35:00.

2026-11-27 → 2026-12-04 · $211.50

  • Frontier Airlines F92908 / F93228: ONT 2026-11-27 11:30:00 → IAH 2026-11-27 19:55:00; 1 stop(s) via DEN; 385 minutes. Local airport times.
    • F92908: ONT 2026-11-27 11:30:00 → DEN 2026-11-27 14:55:00; layover at DEN: 90 minutes.
    • F93228: DEN 2026-11-27 16:25:00 → IAH 2026-11-27 19:55:00.
  • Frontier Airlines F93229 / F92907: IAH 2026-12-04 06:26:00 → ONT 2026-12-04 10:35:00; 1 stop(s) via DEN; 369 minutes. Local airport times.
    • F93229: IAH 2026-12-04 06:26:00 → DEN 2026-12-04 08:05:00; layover at DEN: 65 minutes.
    • F92907: DEN 2026-12-04 09:10:00 → ONT 2026-12-04 10:35:00.

2026-11-20 → 2026-11-23 · $211.50

  • Frontier Airlines F92908 / F93228: ONT 2026-11-20 11:30:00 → IAH 2026-11-20 19:55:00; 1 stop(s) via DEN; 385 minutes. Local airport times.
    • F92908: ONT 2026-11-20 11:30:00 → DEN 2026-11-20 14:55:00; layover at DEN: 90 minutes.
    • F93228: DEN 2026-11-20 16:25:00 → IAH 2026-11-20 19:55:00.
  • Frontier Airlines F93229 / F92907: IAH 2026-11-23 06:26:00 → ONT 2026-11-23 10:35:00; 1 stop(s) via DEN; 369 minutes. Local airport times.
    • F93229: IAH 2026-11-23 06:26:00 → DEN 2026-11-23 08:05:00; layover at DEN: 65 minutes.
    • F92907: DEN 2026-11-23 09:10:00 → ONT 2026-11-23 10:35:00.

2026-11-27 → 2026-12-04 · $411.25

  • American Airlines AA1162 / AA3967: ONT 2026-11-27 23:59:00 → IAH 2026-11-28 08:19:00; 1 stop(s) via DFW; 380 minutes. Local airport times.
    • AA1162: ONT 2026-11-27 23:59:00 → DFW 2026-11-28 04:53:00; layover at DFW: 127 minutes.
    • AA3967: DFW 2026-11-28 07:00:00 → IAH 2026-11-28 08:19:00.
  • American Airlines AA2873 / AA1666: IAH 2026-12-04 14:37:00 → ONT 2026-12-04 19:21:00; 1 stop(s) via PHX; 404 minutes. Local airport times.
    • AA2873: IAH 2026-12-04 14:37:00 → PHX 2026-12-04 16:38:00; layover at PHX: 140 minutes.
    • AA1666: PHX 2026-12-04 18:58:00 → ONT 2026-12-04 19:21:00.

2026-11-20 → 2026-11-23 · $411.25

  • American Airlines AA1162 / AA3967: ONT 2026-11-20 23:59:00 → IAH 2026-11-21 08:19:00; 1 stop(s) via DFW; 380 minutes. Local airport times.
    • AA1162: ONT 2026-11-20 23:59:00 → DFW 2026-11-21 04:53:00; layover at DFW: 127 minutes.
    • AA3967: DFW 2026-11-21 07:00:00 → IAH 2026-11-21 08:19:00.
  • American Airlines AA2873 / AA1666: IAH 2026-11-23 14:37:00 → ONT 2026-11-23 19:21:00; 1 stop(s) via PHX; 404 minutes. Local airport times.
    • AA2873: IAH 2026-11-23 14:37:00 → PHX 2026-11-23 16:38:00; layover at PHX: 140 minutes.
    • AA1666: PHX 2026-11-23 18:58:00 → ONT 2026-11-23 19:21:00.

2026-11-20 → 2026-11-23 · $411.25

  • American Airlines AA1423 / AA6237: ONT 2026-11-20 09:50:00 → IAH 2026-11-20 17:39:00; 1 stop(s) via PHX; 349 minutes. Local airport times.
    • AA1423: ONT 2026-11-20 09:50:00 → PHX 2026-11-20 12:15:00; layover at PHX: 95 minutes.
    • AA6237: PHX 2026-11-20 13:50:00 → IAH 2026-11-20 17:39:00.
  • American Airlines AA2873 / AA1666: IAH 2026-11-23 14:37:00 → ONT 2026-11-23 19:21:00; 1 stop(s) via PHX; 404 minutes. Local airport times.
    • AA2873: IAH 2026-11-23 14:37:00 → PHX 2026-11-23 16:38:00; layover at PHX: 140 minutes.
    • AA1666: PHX 2026-11-23 18:58:00 → ONT 2026-11-23 19:21:00.

2026-11-20 → 2026-11-23 · $414.50

  • United Airlines UA2267: ONT 2026-11-20 05:45:00 → IAH 2026-11-20 10:56:00; nonstop; 191 minutes. Local airport times.
  • United Airlines UA1883 / UA1482: IAH 2026-11-23 05:10:00 → ONT 2026-11-23 12:29:00; 1 stop(s) via SFO; 559 minutes. Local airport times.
    • UA1883: IAH 2026-11-23 05:10:00 → SFO 2026-11-23 07:28:00; layover at SFO: 212 minutes.
    • UA1482: SFO 2026-11-23 11:00:00 → ONT 2026-11-23 12:29:00.

2026-11-27 → 2026-12-04 · $419.75

  • United Airlines UA2267: ONT 2026-11-27 05:45:00 → IAH 2026-11-27 10:56:00; nonstop; 191 minutes. Local airport times.
  • United Airlines UA1883 / UA1482: IAH 2026-12-04 05:10:00 → ONT 2026-12-04 12:29:00; 1 stop(s) via SFO; 559 minutes. Local airport times.
    • UA1883: IAH 2026-12-04 05:10:00 → SFO 2026-12-04 07:28:00; layover at SFO: 212 minutes.
    • UA1482: SFO 2026-12-04 11:00:00 → ONT 2026-12-04 12:29:00.

2026-11-20 → 2026-11-23 · $458.25

  • Delta Air Lines DL1787 / DL2514: ONT 2026-11-20 13:11:00 → IAH 2026-11-20 21:58:00; 1 stop(s) via SLC; 407 minutes. Local airport times.
    • DL1787: ONT 2026-11-20 13:11:00 → SLC 2026-11-20 16:04:00; layover at SLC: 111 minutes.
    • DL2514: SLC 2026-11-20 17:55:00 → IAH 2026-11-20 21:58:00.
  • Delta Air Lines DL1583 / DL1787: IAH 2026-11-23 07:20:00 → ONT 2026-11-23 12:17:00; 1 stop(s) via SLC; 417 minutes. Local airport times.
    • DL1583: IAH 2026-11-23 07:20:00 → SLC 2026-11-23 09:45:00; layover at SLC: 105 minutes.
    • DL1787: SLC 2026-11-23 11:30:00 → ONT 2026-11-23 12:17:00.

More dates for this route