Cheap flights from Ontario (ONT) to Houston from $39

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — HOU
Mar 24 — Mar 311

The best prices from Ontario to Houston are usually found in August or October, booked 69 days in advance, depart on a Tuesday or Thursday and return on a Thursday

Cheap flight deals from Ontario to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Houston (HO1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 19, 2024.

Popular in

June

Cheapest in

August

Round-trip from

$238

One-way from

$39
High demand for flights, 23% potential price rise
Best time to find cheap flights, 36% potential price drop
From Ontario to Houston
One-way flight from Ontario to Houston

What is the cheapest day to fly round-trip from Ontario to Houston?

Monday is generally a great day to depart. Flying on this day could help you save up to 31%.

How far in advance should I book a flight from Ontario to Houston?

Users have found that booking a flight from Ontario to Houston at least 55 days early can save you up to 85% on average compared to booking a flight this week. If booking 55 days before your flight isn’t an option for you, users have found flights from Ontario to Houston for as little as $214 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $478 for flights departing within the next 3 days.

What is the cheapest month to fly from Ontario to Houston?

Our data shows that January tends to be the cheapest month to fly to Houston from Ontario. Users have commonly found prices around $251 for the month, but tickets can be as low as $70. Due to multiple factors, prepare for potentially higher prices in July.

When is the cheapest time to fly from Ontario to Houston (ONT - IAH)?

When flying from Ontario to Houston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 29% versus a flight in the morning.

Cheap Frontier flights from Ontario to Houston

Explore cheap flight options specifically provided by Frontier for the route between Ontario and Houston. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Peruse some of the lowest-priced Frontier flights we've found from Ontario to Houston. Make sure to check back often as deals are often changing.
Sat 5/184:48 pmONT - IAH
Nonstop3h 04mFrontier
Wed 5/228:50 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 3/18$78
Wed 5/294:48 pmONT - IAH
Nonstop3h 04mFrontier
Sat 6/88:50 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 3/18$108
Thu 5/212:56 amONT - IAH
1 stop19h 05mFrontier
Sat 5/188:50 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 3/18$109
Fri 4/2612:55 amONT - IAH
1 stop19h 00mFrontier
Tue 4/3010:13 amIAH - ONT
1 stop15h 46mFrontier
Deal found 3/18$110
Thu 4/1112:56 amONT - IAH
1 stop29h 47mFrontier
Mon 4/1510:59 pmIAH - ONT
1 stop9h 27mFrontier
Deal found 3/18$119
Wed 4/1712:59 amONT - HOU
1 stop11h 49mFrontier
Tue 4/233:59 pmHOU - ONT
1 stop10h 00mFrontier
Deal found 3/18$122
Sat 4/272:11 pmONT - IAH
1 stop5h 48mFrontier
Tue 4/3010:13 amIAH - ONT
1 stop15h 46mFrontier
Deal found 3/18$123
Sat 4/137:26 amONT - IAH
1 stop12h 04mFrontier
Tue 4/169:53 amIAH - ONT
1 stop16h 06mFrontier
Deal found 3/18$127
Sat 6/14:48 pmONT - IAH
Nonstop3h 04mFrontier
Mon 6/38:14 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 3/18$128

Cheap Delta flights from Ontario to Houston

Explore cheap flight options specifically provided by Delta for the route between Ontario and Houston. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Take a gander at the lowest prices we've found on Delta flights from Ontario to Houston. Deals frequently update to provide users with more options.
Fri 4/1210:00 pmONT - HOU
1 stop9h 41mDelta
Sun 4/146:00 amHOU - ONT
1 stop7h 22mDelta
Deal found 3/18$458
Wed 5/15:45 amONT - HOU
2 stops14h 39mDelta
Tue 5/76:01 amHOU - ONT
1 stop7h 15mDelta
Deal found 3/18$541
Thu 4/1810:00 pmONT - HOU
1 stop9h 41mDelta
Tue 4/236:00 amHOU - ONT
2 stops12h 38mDelta
Deal found 3/18$625
Mon 4/112:38 pmONT - HOU
1 stop7h 52mDelta
Wed 4/33:58 pmHOU - ONT
1 stop8h 51mDelta
Deal found 3/18$677
Wed 3/276:00 amONT - IAH
2 stops9h 32mDelta
Wed 4/32:51 pmIAH - ONT
2 stops10h 55mDelta
Deal found 3/18$725
Mon 3/2512:38 pmONT - IAH
1 stop9h 21mDelta
Thu 3/283:47 pmIAH - ONT
1 stop9h 02mDelta
Deal found 3/18$732
Mon 4/112:38 pmONT - HOU
1 stop7h 52mDelta
Wed 4/33:58 pmHOU - ONT
2 stops9h 48mDelta
Deal found 3/18$781

Cheap Ontario to Houston flights in March & April 2024

Find cheap flight options from Ontario to Houston specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Prices were last updated on March 19, 2024.
Check out some of the best flight deals from Ontario to Houston in 2024. For more flight deals, be sure to check back very soon.
Fri 4/2612:55 amONT - IAH
1 stop19h 00mFrontier
Tue 4/3010:13 amIAH - ONT
1 stop15h 46mFrontier
Deal found 3/18$110
Thu 4/1112:56 amONT - IAH
1 stop29h 47mFrontier
Mon 4/1510:59 pmIAH - ONT
1 stop9h 27mFrontier
Deal found 3/18$119
Sat 4/1312:59 amONT - HOU
1 stop12h 31mFrontier
Wed 4/174:44 pmHOU - ONT
1 stop9h 15mFrontier
Deal found 3/17$122
Sat 4/272:11 pmONT - IAH
1 stop5h 48mFrontier
Tue 4/3010:13 amIAH - ONT
1 stop15h 46mFrontier
Deal found 3/18$123
Sat 4/137:26 amONT - IAH
1 stop12h 04mFrontier
Tue 4/169:53 amIAH - ONT
1 stop16h 06mFrontier
Deal found 3/18$127
Mon 4/812:59 amONT - IAH
1 stop18h 19mFrontier
Sat 4/209:33 amIAH - ONT
1 stop16h 26mFrontier
Deal found 3/18$129
Thu 4/257:16 amONT - IAH
1 stop7h 10mFrontier
Mon 4/2910:59 pmIAH - ONT
1 stop9h 27mFrontier
Deal found 3/17$130
Fri 4/2612:55 amONT - IAH
1 stop19h 00mFrontier
Tue 4/302:10 pmIAH - ONT
2 stops18h 16mFrontier
Deal found 3/18$134
Fri 4/2610:29 pmONT - IAH
1 stop10h 03mFrontier
Tue 4/3010:13 amIAH - ONT
1 stop15h 46mFrontier
Deal found 3/18$135

Ontario to Houston 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Houston in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Check out some of the best flight deals from Ontario to Houston in 2024. For more flight deals, be sure to check back very soon.
Sat 5/184:48 pmONT - IAH
Nonstop3h 04mFrontier
Wed 5/228:50 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 3/18$78
Wed 5/294:48 pmONT - IAH
Nonstop3h 04mFrontier
Sat 6/88:50 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 3/18$108
Thu 5/212:56 amONT - IAH
1 stop19h 05mFrontier
Sat 5/188:50 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 3/18$109
Fri 4/2612:55 amONT - IAH
1 stop19h 00mFrontier
Tue 4/3010:13 amIAH - ONT
1 stop15h 46mFrontier
Deal found 3/18$110
Thu 4/1112:56 amONT - IAH
1 stop29h 47mFrontier
Mon 4/1510:59 pmIAH - ONT
1 stop9h 27mFrontier
Deal found 3/18$119
Sat 4/1312:59 amONT - HOU
1 stop12h 31mFrontier
Wed 4/174:44 pmHOU - ONT
1 stop9h 15mFrontier
Deal found 3/17$122
Sat 4/272:11 pmONT - IAH
1 stop5h 48mFrontier
Tue 4/3010:13 amIAH - ONT
1 stop15h 46mFrontier
Deal found 3/18$123
Sat 4/137:26 amONT - IAH
1 stop12h 04mFrontier
Tue 4/169:53 amIAH - ONT
1 stop16h 06mFrontier
Deal found 3/18$127
Sat 6/14:48 pmONT - IAH
Nonstop3h 04mFrontier
Mon 6/38:14 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 3/18$128

Non-stop flights to Houston from Ontario

Discover non-stop flight options from Ontario to Houston. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
To help reduce your travel time, choose from one of these non-stop flights from Ontario to Houston. Search for alternative flights from Ontario to Houston by utilizing the search form above.
Sat 5/184:48 pmONT - IAH
Nonstop3h 04mFrontier
Wed 5/228:50 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 3/18$78
Wed 5/294:48 pmONT - IAH
Nonstop3h 04mFrontier
Sat 6/88:50 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 3/18$108
Sat 6/14:48 pmONT - IAH
Nonstop3h 04mFrontier
Mon 6/38:14 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 3/18$128
Wed 5/224:48 pmONT - IAH
Nonstop3h 04mFrontier
Mon 5/278:14 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 3/18$169
Mon 5/204:48 pmONT - IAH
Nonstop3h 04mFrontier
Fri 5/248:14 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 3/17$175
Fri 5/174:48 pmONT - IAH
Nonstop3h 04mFrontier
Fri 5/248:14 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 3/18$176
Fri 5/314:48 pmONT - IAH
Nonstop3h 04mFrontier
Fri 6/78:14 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 3/18$189
Sat 6/154:48 pmONT - IAH
Nonstop3h 04mFrontier
Mon 6/178:14 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 3/18$205
Fri 5/244:48 pmONT - IAH
Nonstop3h 04mFrontier
Mon 5/278:14 pmIAH - ONT
Nonstop3h 19mFrontier
Deal found 3/18$220

Ontario to Houston flights leaving soon

Find last-minute flight options from Ontario to Houston for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Have a look at some of the flights available from Ontario to Houston departing last-minute. Users should be sure to double check the price, date, and time of their last-minute flight.
Wed 3/279:00 amONT - IAH
1 stop24h 57mFrontier
Wed 4/39:48 pmIAH - ONT
1 stop10h 49mFrontier
Deal found 3/18$140
Wed 3/279:00 amONT - IAH
1 stop24h 57mFrontier
Sat 3/3010:32 pmIAH - ONT
1 stop11h 18mFrontier
Deal found 3/18$141
Wed 3/275:37 pmONT - IAH
1 stop16h 20mFrontier
Sat 3/3010:32 pmIAH - ONT
1 stop11h 18mFrontier
Deal found 3/18$149
Thu 3/281:20 pmONT - IAH
1 stop23h 13mFrontier
Sat 3/3010:32 pmIAH - ONT
1 stop11h 18mFrontier
Deal found 3/18$156
Thu 3/281:20 pmONT - IAH
1 stop23h 13mFrontier
Sun 3/317:10 pmIAH - ONT
1 stop27h 44mFrontier
Deal found 3/18$163
Thu 3/281:20 pmONT - IAH
1 stop23h 13mFrontier
Sun 3/317:10 pmIAH - ONT
1 stop27h 44mFrontier
Deal found 3/18$166
Thu 3/281:20 pmONT - IAH
1 stop23h 13mFrontier
Mon 4/19:13 pmIAH - ONT
1 stop28h 56mFrontier
Deal found 3/18$172
Thu 3/289:25 pmONT - IAH
1 stop15h 08mFrontier
Mon 4/19:13 pmIAH - ONT
1 stop28h 56mFrontier
Deal found 3/18$184
Mon 4/112:59 amONT - HOU
1 stop14h 55mFrontier
Fri 4/54:16 pmHOU - ONT
1 stop9h 53mFrontier
Deal found 3/17$186

One-way flights to Houston from Ontario

Search for one-way flight options from Ontario to Houston. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Take a look at some of the one-way flights we've detected from Ontario to Houston. For those needing a return trip from Ontario, there is a search form available above.
Sat 5/184:48 pmONT - IAH
Nonstop3h 04mFrontier
Deal found 3/18$39
Mon 5/204:48 pmONT - IAH
Nonstop3h 04mFrontier
Deal found 3/18$59
Fri 5/174:48 pmONT - IAH
Nonstop3h 04mFrontier
Deal found 3/18$60
Wed 4/1712:59 amONT - HOU
1 stop11h 49mFrontier
Deal found 3/18$68
Tue 4/212:59 amONT - IAH
1 stop8h 38mFrontier
Deal found 3/18$70
Tue 4/97:27 amONT - HOU
1 stop8h 27mFrontier
Deal found 3/18$70
Sat 4/272:11 pmONT - IAH
1 stop5h 48mFrontier
Deal found 3/18$71
Tue 4/167:16 amONT - HOU
1 stop5h 53mFrontier
Deal found 3/18$75
Wed 4/37:37 amONT - IAH
1 stop11h 11mFrontier
Deal found 3/18$76

Find flights from Ontario to Houston within your budget

Customize your flight search to find flights from Ontario to Houston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$78 - $302

Route

Depart

Return

Price

OntarioHouston George Bush Intcntl

ONT - IAH

ONTIAH

Ontario

Sat 5/18

Nonstop3h 04m

Houston George Bush Intcntl

Wed 5/22

Nonstop3h 19m

$78

OntarioHouston George Bush Intcntl

ONT - IAH

ONTIAH

Ontario

Wed 5/29

Nonstop3h 04m

Houston George Bush Intcntl

Sat 6/8

Nonstop3h 19m

$108

OntarioHouston George Bush Intcntl

ONT - IAH

ONTIAH

Ontario

Thu 5/2

1 stop19h 05m

Houston George Bush Intcntl

Sat 5/18

Nonstop3h 19m

$109

OntarioHouston George Bush Intcntl

ONT - IAH

ONTIAH

Ontario

Fri 4/26

1 stop19h 00m

Houston George Bush Intcntl

Tue 4/30

1 stop15h 46m

$110

OntarioHouston George Bush Intcntl

ONT - IAH

ONTIAH

Ontario

Thu 4/11

1 stop29h 47m

Houston George Bush Intcntl

Mon 4/15

1 stop9h 27m

$119

OntarioHouston Hobby

ONT - HOU

ONTHOU

Ontario

Wed 4/17

1 stop11h 49m

Houston Hobby

Tue 4/23

1 stop10h 00m

$122

OntarioHouston George Bush Intcntl

ONT - IAH

ONTIAH

Ontario

Mon 4/15

1 stop8h 06m

Houston George Bush Intcntl

Tue 4/16

1 stop16h 06m

$157

OntarioHouston George Bush Intcntl

ONT - IAH

ONTIAH

Ontario

Mon 4/15

1 stop8h 06m

Houston George Bush Intcntl

Mon 4/22

1 stop9h 27m

$168

OntarioHouston Hobby

ONT - HOU

ONTHOU

Ontario

Sat 4/13

1 stop5h 02m

Houston Hobby

Tue 4/16

1 stop5h 42m

$302

Flights are sorted by cheapest first

Deals found on 3/18

When is the best time to book a flight from Ontario to Houston?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Houston. Price data was last updated on January 28, 2024.
The best time to book flights from Ontario to Houston is 69 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time to fly from Ontario to Houston?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Houston. Price data was last updated on March 10, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ontario to Houston flight should consider departing on Tuesday at noon when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Houston by month

Plan your trip from Ontario to Houston by taking into account the cheapest months to travel. The average price of a one-way flight from Ontario to Houston is currently $65 while a round-trip flight costs $141. Price data was last updated on March 10, 2024.

Currently, September is the cheapest month in which you can book a flight from Ontario to Houston (average of $239). Flying from Ontario to Houston in March is currently the most expensive (average of $338). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$272

February

$273

March

$338

April

$298

May

$293

June

$335

July

$315

August

$258

September

$239

October

$264

November

$278

December

$278

Temperature and rainfall in Houston by month

Plan your trip to Houston by taking into account the average temperature and rainfall totals by month.

IAH

Temperature

53.6 - 84.2 °F

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Houston. Reviews last updated March 19, 2024.
Read through reviews of airlines operating flights from Ontario to Houston, such as Frontier, Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,382 reviews

Entertainment

7.9

Crew

8.8

Overall

8.2

Comfort

8.1

Food

7.4

Boarding

8.3

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

Southwest
8.2
Very good
6,382 reviews
Southwest
8.2
Very good
6,382 reviews

Entertainment

7.9

Crew

8.8

Overall

8.2

Comfort

8.1

Food

7.4

Boarding

8.3

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

8.1
Very good
9,147 reviews
Southwest
8.2
Very good
6,382 reviews

Entertainment

7.9

Crew

8.8

Overall

8.2

Comfort

8.1

Food

7.4

Boarding

8.3

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

8.1
Very good
11,551 reviews
Southwest
8.2
Very good
6,382 reviews

Entertainment

7.9

Crew

8.8

Overall

8.2

Comfort

8.1

Food

7.4

Boarding

8.3

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

7.4
Good
11,602 reviews
Southwest
8.2
Very good
6,382 reviews

Entertainment

7.9

Crew

8.8

Overall

8.2

Comfort

8.1

Food

7.4

Boarding

8.3

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

7.3
Good
15,312 reviews
Southwest
8.2
Very good
6,382 reviews

Entertainment

7.9

Crew

8.8

Overall

8.2

Comfort

8.1

Food

7.4

Boarding

8.3

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Ontario to Houston?

    Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Houston from Ontario. Booking flights from Ontario (ONT) to Houston should be relatively easy as there is 1 daily outbound flight to Houston from 5 different airlines.

  • Can I find flights from Ontario to Houston for under $100 on Cheapflights?

    Yes, there are multiple flights from Ontario to Houston for under $100. The cheapest flight booked recently is on Frontier for just $78, but on average you can expect to pay $125.

  • Are there nonstop flights from Ontario to Houston for under $100 on Cheapflights?

    Cheapflights has at least 20 direct flights from Ontario to Houston under $100. A good price for a nonstop flight from Ontario to Houston is less than $207.

  • Are there last-minute flights available from Ontario to Houston for under $200?

    There are currently 20+ open flights from Ontario to Houston within the next 7 days for less than $200.

  • What is the cheapest airline to fly from Ontario to Houston round-trip?

    Frontier, at $78, was found to be the cheapest airline from Ontario to Houston.. Frontier is priced at 76% lower than the current average price of a flight leaving 3 months from now.

  • What are the most popular airlines that fly from Ontario to Houston?

  • What are the cheapest flights from Ontario to Houston?

    The cheapest flight price from Ontario to Houston is $132. On average you can expect to pay $732. The most popular route, (Ontario - Houston Hobby), can usually be booked for $129.

  • What does ONT to IAH mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Ontario Airport to Houston George Bush Intcntl Airport flight would often be abbreviated as a ONT to IAH flight. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Houston Hobby Airport (HOU), College Station Easterwood Field Airport (CLL), Beaumont Jefferson County Airport (BPT).

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Houston
See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Ontario to Houston

Discover the top 5 airlines that operate flights from Ontario to Houston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$101Average$219FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$104Average$225FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
DeltaCheapest$114Average$397FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$186Average$407FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$189Average$411FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Search flights from Ontario to Houston by cabin class

Find flights from Ontario to Houston, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Ontario to Houston

Find hourly flight availability from Ontario to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 19, 2024.
1%of flight departuresEarly morningMidnight to 6 am
37%of flight departuresMorning6 am to noon
62%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Ontario to Houston

Explore weekly flight availability from Ontario to Houston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 19, 2024.
Sunday2daily flights
Monday1daily flight
Tuesday1daily flight
Wednesday1daily flight
Thursday1daily flight
Friday1daily flight
Saturday0daily flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Houston?

Deals for Ontario to Houston flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Houston?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to Houston for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ontario to Houston with no change fees?

Need flexible booking options for your flight to Houston from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to Houston become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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