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Ontario → Houston

Dec 12, 2026 · return Dec 22, 2026

ONT → IAH1 adulteconomyRound trip

7 flight options · 4 airlines

Nonstop flights

Sat, Dec 12 – Tue, Dec 22

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

Sat, Dec 12 – Tue, Dec 22

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

Sat, Dec 12 – Tue, Dec 22

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

Sat, Dec 12 – Tue, Dec 22

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

Sat, Dec 12 – Tue, Dec 22

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

Sat, Dec 12 – Tue, Dec 22

American Airlines
11:59 pmONT
6h 20m
DFW · 2h 7m
8:19 am+1IAH
American Airlines
12:13 pmIAH
8h 39m
DFW · 3h 49m
6:52 pmONT

Round-trip total · 1 adult · Taxes included

Sat, Dec 12 – Tue, Dec 22

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.

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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)
2026-12-12 → 2026-12-22United AirlinesUA2267 / UA1563$425.502026-10-29T01:52:30Z
2026-12-12 → 2026-12-22Frontier AirlinesF92232 + F91966 / F91489 + F91357$207.002026-10-29T01:52:30Z
2026-12-12 → 2026-12-22American AirlinesAA1423 + AA6237 / AA3039 + AA3006$402.502026-10-29T01:52:30Z
2026-12-12 → 2026-12-22Delta Air LinesDL1787 + DL2514 / DL1583 + DL1787$448.502026-10-29T01:52:30Z
2026-12-12 → 2026-12-22Frontier AirlinesF92908 + F93228 / F91489 + F91357$207.002026-10-29T01:52:30Z
2026-12-12 → 2026-12-22American AirlinesAA1162 + AA3967 / AA3039 + AA3006$402.502026-10-29T01:52:30Z
2026-12-12 → 2026-12-22United AirlinesUA2267 / UA1883 + UA1482$406.002026-10-29T01:52:30Z

2026-12-12 → 2026-12-22 · $425.50

  • United Airlines UA2267: ONT 2026-12-12 06:00:00 → IAH 2026-12-12 11:10:00; nonstop; 190 minutes. Local airport times.
  • United Airlines UA1563: IAH 2026-12-22 20:24:00 → ONT 2026-12-22 21:59:00; nonstop; 215 minutes. Local airport times.

2026-12-12 → 2026-12-22 · $207.00

  • Frontier Airlines F92232 / F91966: ONT 2026-12-12 10:35:00 → IAH 2026-12-12 18:12:00; 1 stop(s) via LAS; 337 minutes. Local airport times.
    • F92232: ONT 2026-12-12 10:35:00 → LAS 2026-12-12 11:42:00; layover at LAS: 77 minutes.
    • F91966: LAS 2026-12-12 12:59:00 → IAH 2026-12-12 18:12:00.
  • Frontier Airlines F91489 / F91357: IAH 2026-12-22 07:00:00 → ONT 2026-12-22 11:51:00; 1 stop(s) via LAS; 411 minutes. Local airport times.
    • F91489: IAH 2026-12-22 07:00:00 → LAS 2026-12-22 08:32:00; layover at LAS: 133 minutes.
    • F91357: LAS 2026-12-22 10:45:00 → ONT 2026-12-22 11:51:00.

2026-12-12 → 2026-12-22 · $402.50

  • American Airlines AA1423 / AA6237: ONT 2026-12-12 09:50:00 → IAH 2026-12-12 17:39:00; 1 stop(s) via PHX; 349 minutes. Local airport times.
    • AA1423: ONT 2026-12-12 09:50:00 → PHX 2026-12-12 12:15:00; layover at PHX: 95 minutes.
    • AA6237: PHX 2026-12-12 13:50:00 → IAH 2026-12-12 17:39:00.
  • American Airlines AA3039 / AA3006: IAH 2026-12-22 12:13:00 → ONT 2026-12-22 18:52:00; 1 stop(s) via DFW; 519 minutes. Local airport times.
    • AA3039: IAH 2026-12-22 12:13:00 → DFW 2026-12-22 13:41:00; layover at DFW: 229 minutes.
    • AA3006: DFW 2026-12-22 17:30:00 → ONT 2026-12-22 18:52:00.

2026-12-12 → 2026-12-22 · $448.50

  • Delta Air Lines DL1787 / DL2514: ONT 2026-12-12 13:11:00 → IAH 2026-12-12 21:58:00; 1 stop(s) via SLC; 407 minutes. Local airport times.
    • DL1787: ONT 2026-12-12 13:11:00 → SLC 2026-12-12 16:04:00; layover at SLC: 111 minutes.
    • DL2514: SLC 2026-12-12 17:55:00 → IAH 2026-12-12 21:58:00.
  • Delta Air Lines DL1583 / DL1787: IAH 2026-12-22 07:20:00 → ONT 2026-12-22 12:17:00; 1 stop(s) via SLC; 417 minutes. Local airport times.
    • DL1583: IAH 2026-12-22 07:20:00 → SLC 2026-12-22 09:45:00; layover at SLC: 105 minutes.
    • DL1787: SLC 2026-12-22 11:30:00 → ONT 2026-12-22 12:17:00.

2026-12-12 → 2026-12-22 · $207.00

  • Frontier Airlines F92908 / F93228: ONT 2026-12-12 11:30:00 → IAH 2026-12-12 19:55:00; 1 stop(s) via DEN; 385 minutes. Local airport times.
    • F92908: ONT 2026-12-12 11:30:00 → DEN 2026-12-12 14:55:00; layover at DEN: 90 minutes.
    • F93228: DEN 2026-12-12 16:25:00 → IAH 2026-12-12 19:55:00.
  • Frontier Airlines F91489 / F91357: IAH 2026-12-22 07:00:00 → ONT 2026-12-22 11:51:00; 1 stop(s) via LAS; 411 minutes. Local airport times.
    • F91489: IAH 2026-12-22 07:00:00 → LAS 2026-12-22 08:32:00; layover at LAS: 133 minutes.
    • F91357: LAS 2026-12-22 10:45:00 → ONT 2026-12-22 11:51:00.

2026-12-12 → 2026-12-22 · $402.50

  • American Airlines AA1162 / AA3967: ONT 2026-12-12 23:59:00 → IAH 2026-12-13 08:19:00; 1 stop(s) via DFW; 380 minutes. Local airport times.
    • AA1162: ONT 2026-12-12 23:59:00 → DFW 2026-12-13 04:53:00; layover at DFW: 127 minutes.
    • AA3967: DFW 2026-12-13 07:00:00 → IAH 2026-12-13 08:19:00.
  • American Airlines AA3039 / AA3006: IAH 2026-12-22 12:13:00 → ONT 2026-12-22 18:52:00; 1 stop(s) via DFW; 519 minutes. Local airport times.
    • AA3039: IAH 2026-12-22 12:13:00 → DFW 2026-12-22 13:41:00; layover at DFW: 229 minutes.
    • AA3006: DFW 2026-12-22 17:30:00 → ONT 2026-12-22 18:52:00.

2026-12-12 → 2026-12-22 · $406.00

  • United Airlines UA2267: ONT 2026-12-12 05:45:00 → IAH 2026-12-12 10:56:00; nonstop; 191 minutes. Local airport times.
  • United Airlines UA1883 / UA1482: IAH 2026-12-22 05:10:00 → ONT 2026-12-22 12:29:00; 1 stop(s) via SFO; 559 minutes. Local airport times.
    • UA1883: IAH 2026-12-22 05:10:00 → SFO 2026-12-22 07:28:00; layover at SFO: 212 minutes.
    • UA1482: SFO 2026-12-22 11:00:00 → ONT 2026-12-22 12:29:00.

More dates for this route