Cheap flight from Ontario to Houston from $50
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Flights from Ontario to Houston
Cheap flight deals from Ontario to Houston
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Round-trip
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One way
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Cheapest nonstop
ONT 2:06 PM3h 31mNonstopIAH 7:37 PMOntario - Houston | Mon, May 5 | Frontier Airlines
IAH 11:46 AM3h 42mNonstopSIN 1:28 PMHouston - Ontario | Tue, May 13 | Frontier Airlines$85 $23664% OFF64% OFF$236 $85 -
ONT 12:40 PM3h 31mNonstopIAH 6:11 PMOntario - Houston | Wed, May 28 | Frontier Airlines
IAH 11:24 AM3h 51mNonstopSIN 1:15 PMHouston - Ontario | Thu, May 29 | Frontier Airlines$88 $23663% OFF63% OFF$236 $88
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ONT 12:40 PM3h 31mNonstopIAH 6:11 PMOntario - Houston | Fri, May 30 | Frontier Airlines
IAH 8:57 AM3h 40mNonstopSIN 10:37 AMHouston - Ontario | Tue, Jun 3 | Spirit Airlines$94 $23660% OFF60% OFF$236 $94
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ONT 12:40 PM3h 31mNonstopIAH 6:11 PMOntario - Houston | Mon, May 26 | Frontier Airlines
IAH 5:12 PM3h 30mNonstopSIN 6:42 PMHouston - Ontario | Wed, May 28 | Frontier Airlines$10256% OFF$236 $102
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ONT 12:40 PM3h 30mNonstopIAH 6:10 PMOntario - Houston | Wed, Jun 4 | Frontier Airlines
IAH 5:12 PM3h 24mNonstopSIN 6:36 PMHouston - Ontario | Mon, Jun 9 | Frontier Airlines$11950% OFF$236 $119
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ONT 2:06 PM3h 31mNonstopIAH 7:37 PMOntario - Houston | Mon, May 12 | Frontier Airlines
IAH 12:08 PM3h 30mNonstopSIN 1:38 PMHouston - Ontario | Sun, May 18 | Frontier Airlines$12348% OFF$236 $123
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ONT 12:48 PM3h 30mNonstopIAH 6:18 PMOntario - Houston | Fri, Jun 20 | Frontier Airlines
IAH 5:12 PM3h 24mNonstopSIN 6:36 PMHouston - Ontario | Fri, Jun 27 | Frontier Airlines$12846% OFF$236 $128
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ONT 2:06 PM3h 31mNonstopIAH 7:37 PMOntario - Houston | Sun, May 11 | Frontier Airlines
IAH 12:08 PM3h 30mNonstopSIN 1:38 PMHouston - Ontario | Mon, May 12 | Frontier Airlines$16530% OFF$236 $165
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ONT 12:16 PM9h 37m1 stopsIAH 11:53 PMOntario - Houston | Tue, May 6 | Frontier Airlines
IAH 11:46 AM3h 42mNonstopSIN 1:28 PMHouston - Ontario | Tue, May 13 | Frontier Airlines$10156% OFF$236 $101
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ONT 11:58 PM8h 40m1 stopsIAH 10:38 AMOntario - Houston | Wed, May 14 | Frontier Airlines
IAH 11:37 AM3h 51mNonstopSIN 1:28 PMHouston - Ontario | Wed, May 21 | Frontier Airlines$12647% OFF$236 $126
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ONT 1:00 PM17h 25m1 stopsHOU Invalid DateOntario - Houston | Wed, May 7 | Normal Airline
HOU 3:00 PM6hNonstopONT 4:00 PMHouston - Ontario | Fri, May 9 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstop
ONT 12:40 PM3h 31mNonstopIAH 6:11 PMOntario - Houston | Wed, May 28 | Frontier Airlines$50 $25581% OFF81% OFF$255 $50
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ONT 12:40 PM3h 30mNonstopIAH 6:10 PMOntario - Houston | Wed, Jun 11 | Frontier Airlines$56 $25578% OFF78% OFF$255 $56
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ONT 12:40 PM3h 30mNonstopIAH 6:10 PMOntario - Houston | Wed, Jun 4 | Frontier Airlines$57 $25578% OFF78% OFF$255 $57
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ONT 12:40 PM3h 31mNonstopIAH 6:11 PMOntario - Houston | Fri, May 30 | Frontier Airlines$6575% OFF$255 $65
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ONT 2:06 PM3h 31mNonstopIAH 7:37 PMOntario - Houston | Mon, May 12 | Frontier Airlines$6873% OFF$255 $68
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ONT 2:06 PM3h 31mNonstopIAH 7:37 PMOntario - Houston | Mon, May 19 | Frontier Airlines$10160% OFF$255 $101
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ONT 12:40 PM3h 31mNonstopIAH 6:11 PMOntario - Houston | Mon, May 26 | Frontier Airlines$12551% OFF$255 $125
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ONT 12:48 PM3h 30mNonstopIAH 6:18 PMOntario - Houston | Fri, Jun 20 | Frontier Airlines$12551% OFF$255 $125
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ONT 2:06 PM3h 31mNonstopIAH 7:37 PMOntario - Houston | Fri, May 16 | Frontier Airlines$15439% OFF$255 $154
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ONT 2:06 PM3h 31mNonstopIAH 7:37 PMOntario - Houston | Mon, May 5 | Frontier Airlines$17930% OFF$255 $179
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ONT 1:00 PM17h 25m1 stopsHOU Invalid DateOntario - Houston | Wed, May 7 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Frequently Asked Questions
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When are flight tickets from Ontario (ONT) to Houston (HOU) the cheapest?
Airlines adjust prices for flights from Ontario to Houston based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Ontario (ONT) to Houston (HOU) cost?
According to Trip.com's data, the lowest price is around $232.
How to find a cheap flight from Ontario to Houston
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Ontario to Houston. Book your flights at the right time and save more.
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Flight Info | Ontario to Houston
| Cheapest one-way flight price | $49 |
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| Cheapest round-trip ticket price | $84 |
| Off-season for travel | February |
| Peak season for travel | November |
| Flight distance | 10,519.53 km |
| Popular airline | United Airlines |