Flights from Ontario (ONT) to Houston (IAH)

Route intelligence for ONT → IAH: direct flights, stopover options, and timetable coverage in one place.

Show route on mapAll flights from ONTAll flights to IAH

Direct flights

2 direct option(s) across 2 airline(s).

  • Frontier Airlines · 0 min · 0 km
  • United Airlines · 190 min · 2142 km

Explore these airlines on this city pair

Open each airline route-map page to compare broader network depth before committing to a nonstop or one-stop strategy.

Frontier Airlines route map →United Airlines route map →

Stopover options

  • 1 stop(s) · 5h 50m · ONT → IAH
  • 1 stop(s) · 5h 50m · ONT → IAH
  • 1 stop(s) · 5h 50m · ONT → IAH
  • 1 stop(s) · 5h 50m · ONT → IAH
  • 1 stop(s) · 5h 0m · ONT → IAH
  • 1 stop(s) · 5h 0m · ONT → IAH
  • 1 stop(s) · 5h 0m · ONT → IAH
  • 1 stop(s) · 5h 0m · ONT → IAH
  • 1 stop(s) · 6h 33m · ONT → IAH
  • 1 stop(s) · 6h 33m · ONT → IAH
  • 1 stop(s) · 6h 33m · ONT → IAH
  • 1 stop(s) · 6h 33m · ONT → IAH

Timetable coverage

Published flight numbers: UA1936

Flight number: UA 1936

Operating days: 1, 2, 3, 4, 5, 6, 7

  • ONT 06:02 → IAH 10:59

Plan this city pair

Compare nearby alternatives and airline networks to decide whether a direct trip, one-stop connection, or reverse search gives you better options.

Explore all departures from ONT →Explore all arrivals to IAH →Compare airline network coverage →Browse airports by country →

Route planning checklist

  • Compare direct duration with one-stop total duration before committing to a fare.
  • Check inbound alternatives on flights to IAH when return timing is important.
  • Use Guides for alliance and hub strategy playbooks.
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