Cheapest flight | $49 |
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Find which airlines fly direct from Ontario to Houston, which days they fly and book direct flights.
Nonstop departures
Monday
Frontier, Southwest, United Airlines
Frontier, Southwest, +1 more
Tuesday
Southwest, United Airlines
Southwest, United Airlines
Wednesday
Frontier, Southwest, United Airlines
Frontier, Southwest, +1 more
Thursday
Southwest, United Airlines
Southwest, United Airlines
Friday
Frontier, Southwest, United Airlines
Frontier, Southwest, +1 more
Saturday
Frontier, Southwest, United Airlines
Frontier, Southwest, +1 more
Sunday
Southwest, United Airlines
Southwest, United Airlines
Nonstop returns
Monday
Frontier, Lufthansa, Southwest, +1 more
Frontier, Lufthansa, +2 more
1
Tuesday
Lufthansa, Southwest, United Airlines
Lufthansa, Southwest, +1 more
Wednesday
Frontier, Lufthansa, Southwest, +1 more
Frontier, Lufthansa, +2 more
1
Thursday
Lufthansa, Southwest, United Airlines
Lufthansa, Southwest, +1 more
Friday
Frontier, Lufthansa, Southwest, +1 more
Frontier, Lufthansa, +2 more
1
Saturday
Frontier, Lufthansa, Southwest, +1 more
Frontier, Lufthansa, +2 more
1
Sunday
Lufthansa, Southwest, United Airlines
Lufthansa, Southwest, +1 more