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Ontario → Houston

Dec 28, 2026 · return Jan 3, 2027

ONT → IAH1 adulteconomyRound trip

7 flight options · 4 airlines

Nonstop flights

Mon, Dec 28 – Sun, Jan 3

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

Mon, Dec 28 – Sun, Jan 3

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

Mon, Dec 28 – Sun, Jan 3

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

Mon, Dec 28 – Sun, Jan 3

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

Mon, Dec 28 – Sun, Jan 3

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

Mon, Dec 28 – Sun, Jan 3

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

Mon, Dec 28 – Sun, Jan 3

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 5, 2026 → Nov 8, 2026Nov 14, 2026 → Nov 21, 2026Nov 24, 2026 → Nov 29, 2026Dec 5, 2026 → Dec 12, 2026Dec 17, 2026 → Dec 20, 2026Dec 26, 2026 → Jan 2, 2027Jan 5, 2027 · One wayJan 16, 2027 → Jan 23, 2027Feb 5, 2027 → Feb 8, 2027Apr 3, 2027 → Apr 10, 2027Jun 26, 2027 → Jul 3, 2027Sep 17, 2027 → Sep 20, 2027
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)
2026-12-28 → 2027-01-03United AirlinesUA2267 / UA1563$449.552026-10-29T01:52:30Z
2026-12-28 → 2027-01-03Frontier AirlinesF92232 + F91966 / F93229 + F92907$218.702026-10-29T01:52:30Z
2026-12-28 → 2027-01-03American AirlinesAA1423 + AA6237 / AA2873 + AA1666$425.252026-10-29T01:52:30Z
2026-12-28 → 2027-01-03Delta Air LinesDL1787 + DL2514 / DL1583 + DL1787$473.852026-10-29T01:52:30Z
2026-12-28 → 2027-01-03Frontier AirlinesF92908 + F93228 / F93229 + F92907$218.702026-10-29T01:52:30Z
2026-12-28 → 2027-01-03American AirlinesAA1162 + AA3967 / AA2873 + AA1666$425.252026-10-29T01:52:30Z
2026-12-28 → 2027-01-03United AirlinesUA2267 / UA1883 + UA1482$431.852026-10-29T01:52:30Z

2026-12-28 → 2027-01-03 · $449.55

  • United Airlines UA2267: ONT 2026-12-28 06:00:00 → IAH 2026-12-28 11:10:00; nonstop; 190 minutes. Local airport times.
  • United Airlines UA1563: IAH 2027-01-03 20:24:00 → ONT 2027-01-03 21:59:00; nonstop; 215 minutes. Local airport times.

2026-12-28 → 2027-01-03 · $218.70

  • Frontier Airlines F92232 / F91966: ONT 2026-12-28 10:35:00 → IAH 2026-12-28 18:12:00; 1 stop(s) via LAS; 337 minutes. Local airport times.
    • F92232: ONT 2026-12-28 10:35:00 → LAS 2026-12-28 11:42:00; layover at LAS: 77 minutes.
    • F91966: LAS 2026-12-28 12:59:00 → IAH 2026-12-28 18:12:00.
  • Frontier Airlines F93229 / F92907: IAH 2027-01-03 06:26:00 → ONT 2027-01-03 10:35:00; 1 stop(s) via DEN; 369 minutes. Local airport times.
    • F93229: IAH 2027-01-03 06:26:00 → DEN 2027-01-03 08:05:00; layover at DEN: 65 minutes.
    • F92907: DEN 2027-01-03 09:10:00 → ONT 2027-01-03 10:35:00.

2026-12-28 → 2027-01-03 · $425.25

  • American Airlines AA1423 / AA6237: ONT 2026-12-28 09:50:00 → IAH 2026-12-28 17:39:00; 1 stop(s) via PHX; 349 minutes. Local airport times.
    • AA1423: ONT 2026-12-28 09:50:00 → PHX 2026-12-28 12:15:00; layover at PHX: 95 minutes.
    • AA6237: PHX 2026-12-28 13:50:00 → IAH 2026-12-28 17:39:00.
  • American Airlines AA2873 / AA1666: IAH 2027-01-03 14:37:00 → ONT 2027-01-03 19:21:00; 1 stop(s) via PHX; 404 minutes. Local airport times.
    • AA2873: IAH 2027-01-03 14:37:00 → PHX 2027-01-03 16:38:00; layover at PHX: 140 minutes.
    • AA1666: PHX 2027-01-03 18:58:00 → ONT 2027-01-03 19:21:00.

2026-12-28 → 2027-01-03 · $473.85

  • Delta Air Lines DL1787 / DL2514: ONT 2026-12-28 13:11:00 → IAH 2026-12-28 21:58:00; 1 stop(s) via SLC; 407 minutes. Local airport times.
    • DL1787: ONT 2026-12-28 13:11:00 → SLC 2026-12-28 16:04:00; layover at SLC: 111 minutes.
    • DL2514: SLC 2026-12-28 17:55:00 → IAH 2026-12-28 21:58:00.
  • Delta Air Lines DL1583 / DL1787: IAH 2027-01-03 07:20:00 → ONT 2027-01-03 12:17:00; 1 stop(s) via SLC; 417 minutes. Local airport times.
    • DL1583: IAH 2027-01-03 07:20:00 → SLC 2027-01-03 09:45:00; layover at SLC: 105 minutes.
    • DL1787: SLC 2027-01-03 11:30:00 → ONT 2027-01-03 12:17:00.

2026-12-28 → 2027-01-03 · $218.70

  • Frontier Airlines F92908 / F93228: ONT 2026-12-28 11:30:00 → IAH 2026-12-28 19:55:00; 1 stop(s) via DEN; 385 minutes. Local airport times.
    • F92908: ONT 2026-12-28 11:30:00 → DEN 2026-12-28 14:55:00; layover at DEN: 90 minutes.
    • F93228: DEN 2026-12-28 16:25:00 → IAH 2026-12-28 19:55:00.
  • Frontier Airlines F93229 / F92907: IAH 2027-01-03 06:26:00 → ONT 2027-01-03 10:35:00; 1 stop(s) via DEN; 369 minutes. Local airport times.
    • F93229: IAH 2027-01-03 06:26:00 → DEN 2027-01-03 08:05:00; layover at DEN: 65 minutes.
    • F92907: DEN 2027-01-03 09:10:00 → ONT 2027-01-03 10:35:00.

2026-12-28 → 2027-01-03 · $425.25

  • American Airlines AA1162 / AA3967: ONT 2026-12-28 23:59:00 → IAH 2026-12-29 08:19:00; 1 stop(s) via DFW; 380 minutes. Local airport times.
    • AA1162: ONT 2026-12-28 23:59:00 → DFW 2026-12-29 04:53:00; layover at DFW: 127 minutes.
    • AA3967: DFW 2026-12-29 07:00:00 → IAH 2026-12-29 08:19:00.
  • American Airlines AA2873 / AA1666: IAH 2027-01-03 14:37:00 → ONT 2027-01-03 19:21:00; 1 stop(s) via PHX; 404 minutes. Local airport times.
    • AA2873: IAH 2027-01-03 14:37:00 → PHX 2027-01-03 16:38:00; layover at PHX: 140 minutes.
    • AA1666: PHX 2027-01-03 18:58:00 → ONT 2027-01-03 19:21:00.

2026-12-28 → 2027-01-03 · $431.85

  • United Airlines UA2267: ONT 2026-12-28 05:45:00 → IAH 2026-12-28 10:56:00; nonstop; 191 minutes. Local airport times.
  • United Airlines UA1883 / UA1482: IAH 2027-01-03 05:10:00 → ONT 2027-01-03 12:29:00; 1 stop(s) via SFO; 559 minutes. Local airport times.
    • UA1883: IAH 2027-01-03 05:10:00 → SFO 2027-01-03 07:28:00; layover at SFO: 212 minutes.
    • UA1482: SFO 2027-01-03 11:00:00 → ONT 2027-01-03 12:29:00.

More dates for this route