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Ontario → Houston

Dec 21, 2026 · one way

ONT → IAH1 adulteconomyOne way

7 flight options · 4 airlines

Nonstop flights

Mon, Dec 21 · One way

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

One-way total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 · One way

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

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

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

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

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

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

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

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

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

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

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

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.

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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)
2026-12-21 · one wayUnited AirlinesUA2267$253.502026-10-29T01:52:30Z
2026-12-21 · one wayFrontier AirlinesF92908 + F93228$123.502026-10-29T01:52:30Z
2026-12-21 · one wayAmerican AirlinesAA1423 + AA6237$240.502026-10-29T01:52:30Z
2026-12-21 · one wayDelta Air LinesDL1787 + DL2514$266.502026-10-29T01:52:30Z
2026-12-21 · one wayFrontier AirlinesF92232 + F91966$123.502026-10-29T01:52:30Z
2026-12-21 · one wayUnited AirlinesUA1263 + UA2419$234.002026-10-29T01:52:30Z
2026-12-21 · one wayAmerican AirlinesAA1162 + AA3967$240.502026-10-29T01:52:30Z

2026-12-21 · one way · $253.50

  • United Airlines UA2267: ONT 2026-12-21 06:00:00 → IAH 2026-12-21 11:10:00; nonstop; 190 minutes. Local airport times.

2026-12-21 · one way · $123.50

  • Frontier Airlines F92908 / F93228: ONT 2026-12-21 11:30:00 → IAH 2026-12-21 19:55:00; 1 stop(s) via DEN; 385 minutes. Local airport times.
    • F92908: ONT 2026-12-21 11:30:00 → DEN 2026-12-21 14:55:00; layover at DEN: 90 minutes.
    • F93228: DEN 2026-12-21 16:25:00 → IAH 2026-12-21 19:55:00.

2026-12-21 · one way · $240.50

  • American Airlines AA1423 / AA6237: ONT 2026-12-21 09:50:00 → IAH 2026-12-21 17:39:00; 1 stop(s) via PHX; 349 minutes. Local airport times.
    • AA1423: ONT 2026-12-21 09:50:00 → PHX 2026-12-21 12:15:00; layover at PHX: 95 minutes.
    • AA6237: PHX 2026-12-21 13:50:00 → IAH 2026-12-21 17:39:00.

2026-12-21 · one way · $266.50

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

2026-12-21 · one way · $123.50

  • Frontier Airlines F92232 / F91966: ONT 2026-12-21 10:35:00 → IAH 2026-12-21 18:12:00; 1 stop(s) via LAS; 337 minutes. Local airport times.
    • F92232: ONT 2026-12-21 10:35:00 → LAS 2026-12-21 11:42:00; layover at LAS: 77 minutes.
    • F91966: LAS 2026-12-21 12:59:00 → IAH 2026-12-21 18:12:00.

2026-12-21 · one way · $234.00

  • United Airlines UA1263 / UA2419: ONT 2026-12-21 13:40:00 → IAH 2026-12-21 23:59:00; 1 stop(s) via DEN; 499 minutes. Local airport times.
    • UA1263: ONT 2026-12-21 13:40:00 → DEN 2026-12-21 16:55:00; layover at DEN: 215 minutes.
    • UA2419: DEN 2026-12-21 20:30:00 → IAH 2026-12-21 23:59:00.

2026-12-21 · one way · $240.50

  • American Airlines AA1162 / AA3967: ONT 2026-12-21 23:59:00 → IAH 2026-12-22 08:19:00; 1 stop(s) via DFW; 380 minutes. Local airport times.
    • AA1162: ONT 2026-12-21 23:59:00 → DFW 2026-12-22 04:53:00; layover at DFW: 127 minutes.
    • AA3967: DFW 2026-12-22 07:00:00 → IAH 2026-12-22 08:19:00.

More dates for this route