Cheap flight from Houston to Ontario from $54
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Flights from Houston to Ontario
Cheap flight deals from Houston to Ontario
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
IAH 5:12 PM3h 30mNonstopONT 6:42 PMHouston - Ontario | Wed, May 28 | Frontier Airlines
SIN 11:42 PM3h 13mNonstopIAH 4:55 AMOntario - Houston | Thu, May 29 | Spirit Airlines$93 $31070% OFF70% OFF$310 $93 -
IAH 12:08 PM3h 30mNonstopONT 1:38 PMHouston - Ontario | Mon, May 5 | Frontier Airlines
SIN 2:06 PM3h 31mNonstopIAH 7:37 PMOntario - Houston | Sun, May 11 | Frontier Airlines$116 $31063% OFF63% OFF$310 $116
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IAH 12:08 PM3h 30mNonstopONT 1:38 PMHouston - Ontario | Mon, May 12 | Frontier Airlines
SIN 2:28 PM3h 32mNonstopIAH 8:00 PMOntario - Houston | Mon, May 19 | Frontier Airlines$117 $31062% OFF62% OFF$310 $117
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IAH 5:12 PM3h 24mNonstopONT 6:36 PMHouston - Ontario | Mon, Jun 9 | Frontier Airlines
SIN 2:23 PM3h 38mNonstopIAH 8:01 PMOntario - Houston | Mon, Jun 16 | Frontier Airlines$11862% OFF$310 $118
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HOU 8:35 AM3h 30mNonstopONT 10:05 AMHouston - Ontario | Thu, May 8 | Southwest Airlines
SIN 2:28 PM3h 32mNonstopIAH 8:00 PMOntario - Houston | Wed, May 14 | Frontier Airlines$12061% OFF$310 $120 -
IAH 5:12 PM3h 30mNonstopONT 6:42 PMHouston - Ontario | Fri, May 30 | Frontier Airlines
SIN 12:40 PM3h 30mNonstopIAH 6:10 PMOntario - Houston | Wed, Jun 4 | Frontier Airlines$12360% OFF$310 $123
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IAH 12:18 PM3h 27mNonstopONT 1:45 PMHouston - Ontario | Sun, May 4 | Frontier Airlines
SIN 2:28 PM3h 32mNonstopIAH 8:00 PMOntario - Houston | Sun, May 11 | Frontier Airlines$12460% OFF$310 $124
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IAH 12:18 PM3h 27mNonstopONT 1:45 PMHouston - Ontario | Fri, May 9 | Frontier Airlines
SIN 2:28 PM3h 32mNonstopIAH 8:00 PMOntario - Houston | Tue, May 13 | Frontier Airlines$22627% OFF$310 $226
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IAH 12:08 PM3h 30mNonstopONT 1:38 PMHouston - Ontario | Sun, May 11 | Frontier Airlines
SIN 11:42 PM3h 13mNonstopIAH 4:55 AMOntario - Houston | Thu, May 15 | Spirit Airlines$25717% OFF$310 $257
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IAH 6:00 AM19h 59m1 stopsONT 11:59 PMHouston - Ontario | Sat, May 10 | Frontier Airlines
SIN 11:42 PM3h 13mNonstopIAH 4:55 AMOntario - Houston | Fri, May 16 | Spirit Airlines$12460% OFF$310 $124
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HOU 1:00 PM17h 25m1 stopsONT Invalid DateHouston - Ontario | Mon, May 5 | Normal Airline
ONT 3:00 PM6hNonstopHOU 4:00 PMOntario - Houston | Wed, May 7 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstop
IAH 5:12 PM3h 24mNonstopONT 6:36 PMHouston - Ontario | Wed, Jun 4 | Frontier Airlines$54 $21475% OFF75% OFF$214 $54
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IAH 5:12 PM3h 24mNonstopONT 6:36 PMHouston - Ontario | Fri, Jun 6 | Frontier Airlines$64 $21470% OFF70% OFF$214 $64
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IAH 5:12 PM3h 24mNonstopONT 6:36 PMHouston - Ontario | Mon, Jun 16 | Frontier Airlines$65 $21470% OFF70% OFF$214 $65
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IAH 12:08 PM3h 30mNonstopONT 1:38 PMHouston - Ontario | Sun, May 11 | Frontier Airlines$9954% OFF$214 $99
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IAH 5:12 PM3h 30mNonstopONT 6:42 PMHouston - Ontario | Wed, May 28 | Frontier Airlines$10053% OFF$214 $100
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IAH 12:08 PM3h 30mNonstopONT 1:38 PMHouston - Ontario | Sun, May 18 | Frontier Airlines$10053% OFF$214 $100
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IAH 12:08 PM3h 30mNonstopONT 1:38 PMHouston - Ontario | Fri, May 9 | Frontier Airlines$12939% OFF$214 $129
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IAH 12:08 PM3h 30mNonstopONT 1:38 PMHouston - Ontario | Mon, May 12 | Frontier Airlines$14731% OFF$214 $147
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IAH 12:08 PM3h 30mNonstopONT 1:38 PMHouston - Ontario | Mon, May 5 | Frontier Airlines$14930% OFF$214 $149
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IAH 12:18 PM3h 27mNonstopONT 1:45 PMHouston - Ontario | Sun, May 4 | Frontier Airlines$17717% OFF$214 $177
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HOU 1:00 PM17h 25m1 stopsONT Invalid DateHouston - Ontario | Mon, May 5 | 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 Houston (HOU) to Ontario (ONT) the cheapest?
Airlines adjust prices for flights from Houston to Ontario 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 Houston (HOU) to Ontario (ONT) cost?
According to Trip.com's data, the lowest price is around $238.
How to find a cheap flight from Houston to Ontario
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 Houston to Ontario. Book your flights at the right time and save more.
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Flight Info | Houston to Ontario
| Cheapest one-way flight price | $53 |
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| Cheapest round-trip ticket price | $93 |
| Off-season for travel | February |
| Peak season for travel | February |
| Flight distance | 10,519.53 km |
| Popular airline | United Airlines |