What are the cheapest airlines flying from Ontario to Houston round-trip?

Frontier, at $182, was found to be the cheapest airline from Ontario to Houston. An alternate airline flying to your destination would be Undisclosed Carrier. Frontier is priced at 43% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Ontario to Houston one-way?

$79 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Undisclosed Carrier and United Airlines, with prices starting from $85 and $139, respectively.

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

Consider American Airlines, Delta or Frontier when booking your flight. These represent the most popular airlines when flying from Ontario to Houston.

What are the cheapest flights from Ontario to Houston?

The cheapest flight price from Ontario to Houston is $130. On average you can expect to pay $267. The most popular route, (Ontario - Houston Hobby), can usually be booked for $165.

Can I find flights from Ontario to Houston for under $200 on Cheapflights?

Yes, there are multiple flights from Ontario to Houston for under $200. The cheapest flight booked recently is on Multiple Airlines for just $150, but on average you can expect to pay $201.

Are there nonstop flights from Ontario to Houston for under $400 on Cheapflights?

Cheapflights has at least 20 direct flights from Ontario to Houston under $400. A good price for a nonstop flight from Ontario to Houston is less than $471.

Are there last-minute flights available from Ontario to Houston for under $300?

There are currently 20+ open flights from Ontario to Houston within the next 7 days for less than $300.

Which airlines flying from Ontario to Houston have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like United Airlines, American Airlines, and Frontier flying from Ontario to Houston have implemented new flexible cancellation policies.

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

Wednesday is generally a great day to depart. Flying on this day could help you save up to 11%.

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 $266 for the month, but tickets can be as low as $83. Due to multiple factors, prepare for potentially higher prices in June.

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 afternoon, which can drop the price by up to 17% versus a flight in the morning.

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.

Flights from Ontario, CA to Houston, TX from $79

How to find the cheapest flight from Ontario (ONT) to Houston

Popular in	June
Cheapest in	January
Round-trip from	$170
One-way from	$137

High demand for flights, 29% potential price rise

Search Deals

Best time to find cheap flights, 47% potential price drop

Search Deals

From Ontario to Houston

Search Deals

One-way flight from Ontario to Houston

Search Deals

ONT - IAH Price	$170 - $456
IAH Temperature	53.6 - 84.2 °F
IAH Rainfall	3.2 - 5.9 inches

ONT - IAH

Price

$170 - $456

IAH

Temperature

53.6 - 84.2 °F

IAH

Rainfall

3.2 - 5.9 inches

Users have found that booking a flight from Ontario to Houston at least 47 days early can save you up to 63% on average compared to booking a flight this week. If booking 47 days before your flight isn’t an option for you, users have found flights from Ontario to Houston for as little as $284 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 $418 for flights departing within the next 3 days.

Cheap flights from Ontario to Houston in May, June 2023

Check out some of the best flight deals from Ontario to Houston in 2023. For more flight deals, be sure to check back very soon.

Jun 6 - Jun 13

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

15h 27m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

18h 01m

$150

Multiple Airlines

Deal found 5/24

Jun 28 - Jul 4

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

5h 20m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

11h 05m

$165

Multiple Airlines

Deal found 5/24

Jun 21 - Jun 28

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

5h 20m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

18h 15m

$171

Multiple Airlines

Deal found 5/24

Jun 21 - Jun 28

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

16h 28m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

18h 15m

$172

Multiple Airlines

Deal found 5/24

Jun 20 - Jun 27

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

14h 48m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

18h 39m

$175

Multiple Airlines

Deal found 5/25

Jun 13 - Jun 20

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

14h 43m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

21h 01m

$182

Frontier

Deal found 5/24

Jun 28 - Jul 4

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

5h 20m

IAH

Houston George Bush Intcntl

ONT

Ontario

2 stops

19h 46m

$188

Multiple Airlines

Deal found 5/24

Jun 14 - Jun 20

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

17h 22m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

21h 01m

$195

Frontier

Deal found 5/24

Jun 30 - Jul 2

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

9h 49m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

11h 29m

$210

Undisclosed Carrier

Deal found 5/24

Ontario to Houston 2023 flight deals

Check out some of the best flight deals from Ontario to Houston in 2023. For more flight deals, be sure to check back very soon.

Jun 6 - Jun 13

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

15h 27m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

18h 01m

$150

Multiple Airlines

Deal found 5/24

Jun 28 - Jul 4

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

5h 20m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

11h 05m

$165

Multiple Airlines

Deal found 5/24

Jun 21 - Jun 28

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

5h 20m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

18h 15m

$171

Multiple Airlines

Deal found 5/24

Jun 21 - Jun 28

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

16h 28m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

18h 15m

$172

Multiple Airlines

Deal found 5/24

Jun 20 - Jun 27

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

14h 48m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

18h 39m

$175

Multiple Airlines

Deal found 5/25

Jun 13 - Jun 20

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

14h 43m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

21h 01m

$182

Frontier

Deal found 5/24

Jun 28 - Jul 4

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

5h 20m

IAH

Houston George Bush Intcntl

ONT

Ontario

2 stops

19h 46m

$188

Multiple Airlines

Deal found 5/24

Oct 31 - Nov 2

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

17h 06m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

12h 06m

$192

Multiple Airlines

Deal found 5/23

Jun 14 - Jun 20

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

17h 22m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

21h 01m

$195

Frontier

Deal found 5/24

Cheap Frontier flights from Ontario to Houston

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.

Jun 13 - Jun 20

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

14h 43m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

21h 01m

$182

Frontier

Deal found 5/24

Jun 14 - Jun 20

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

17h 22m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

21h 01m

$195

Frontier

Deal found 5/24

Sep 22 - Sep 25

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

8h 52m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

21h 12m

$196

Frontier

Deal found 5/24

Jun 5 - Jun 8

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

17h 53m

IAH

Houston George Bush Intcntl

ONT

Ontario

2 stops

19h 23m

$223

Frontier

Deal found 5/24

Oct 6 - Oct 9

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

17h 06m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

21h 13m

$231

Frontier

Deal found 5/24

May 31 - Jun 5

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

16h 25m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

23h 06m

$234

Frontier

Deal found 5/25

Jun 29 - Jul 5

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

17h 51m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

20h 56m

$266

Frontier

Deal found 5/24

Nov 7 - Nov 14

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

17h 06m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

16h 11m

$268

Frontier

Deal found 5/24

Aug 31 - Sep 5

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

9h 46m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

17h 44m

$275

Frontier

Deal found 5/24

Cheap United Airlines flights from Ontario to Houston

Take a gander at the lowest prices we've found on United Airlines flights from Ontario to Houston. Deals frequently update to provide users with more options.

May 31 - Jun 1

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

16h 29m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

8h 20m

$616

United Airlines

Deal found 5/24

Jun 1 - Jun 5

ONT

Ontario

IAH

Houston George Bush Intcntl

2 stops

22h 07m

IAH

Houston George Bush Intcntl

ONT

Ontario

2 stops

11h 42m

$635

United Airlines

Deal found 5/25

Non-stop flights to Houston from Ontario

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.

Aug 11 - Aug 15

ONT

Ontario

IAH

Houston George Bush Intcntl

Nonstop

0h 39m

IAH

Houston George Bush Intcntl

ONT

Ontario

Nonstop

4h 39m

$347

Undisclosed Carrier

Deal found 5/25

Jun 21 - Jun 28

ONT

Ontario

IAH

Houston George Bush Intcntl

Nonstop

0h 39m

IAH

Houston George Bush Intcntl

ONT

Ontario

Nonstop

4h 39m

$358

Undisclosed Carrier

Deal found 5/24

Jun 21 - Jun 28

ONT

Ontario

HOU

Houston Hobby

Nonstop

0h 40m

HOU

Houston Hobby

ONT

Ontario

Nonstop

4h 40m

$358

Undisclosed Carrier

Deal found 5/24

Jul 11 - Jul 18

ONT

Ontario

IAH

Houston George Bush Intcntl

Nonstop

0h 39m

IAH

Houston George Bush Intcntl

ONT

Ontario

Nonstop

4h 39m

$367

Undisclosed Carrier

Deal found 5/24

Jun 13 - Jun 18

ONT

Ontario

IAH

Houston George Bush Intcntl

Nonstop

0h 39m

IAH

Houston George Bush Intcntl

ONT

Ontario

Nonstop

4h 39m

$378

Undisclosed Carrier

Deal found 5/23

Jul 21 - Jul 23

ONT

Ontario

IAH

Houston George Bush Intcntl

Nonstop

0h 39m

IAH

Houston George Bush Intcntl

ONT

Ontario

Nonstop

4h 39m

$406

Undisclosed Carrier

Deal found 5/24

Jun 17 - Jun 19

ONT

Ontario

IAH

Houston George Bush Intcntl

Nonstop

0h 39m

IAH

Houston George Bush Intcntl

ONT

Ontario

Nonstop

4h 39m

$448

Undisclosed Carrier

Deal found 5/24

Jun 12 - Jun 16

ONT

Ontario

HOU

Houston Hobby

Nonstop

0h 40m

HOU

Houston Hobby

ONT

Ontario

Nonstop

4h 40m

$448

Undisclosed Carrier

Deal found 5/25

Jul 6 - Jul 9

ONT

Ontario

IAH

Houston George Bush Intcntl

Nonstop

0h 39m

IAH

Houston George Bush Intcntl

ONT

Ontario

Nonstop

4h 39m

$477

Undisclosed Carrier

Deal found 5/24

Last minute flights from Ontario to Houston

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.

May 31 - Jun 5

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

16h 25m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

23h 06m

$234

Frontier

Deal found 5/25

Jun 2 - Aug 13

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

9h 40m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

13h 23m

$259

Undisclosed Carrier

Deal found 5/24

May 31 - Jun 4

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

15h 08m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

9h 26m

$260

Undisclosed Carrier

Deal found 5/25

May 31 - Jun 3

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

15h 28m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

11h 54m

$277

Multiple Airlines

Deal found 5/23

Jun 1 - Jun 5

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

9h 40m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

23h 06m

$286

Frontier

Deal found 5/25

Jun 3 - Aug 13

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

16h 30m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

21h 10m

$295

Multiple Airlines

Deal found 5/24

Jun 4 - Jun 7

ONT

Ontario

IAH

Houston George Bush Intcntl

3 stops

20h 38m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

18h 41m

$311

Multiple Airlines

Deal found 5/23

Jun 4 - Jun 9

ONT

Ontario

HOU

Houston Hobby

1 stop

12h 12m

HOU

Houston Hobby

ONT

Ontario

1 stop

10h 46m

$316

Frontier

Deal found 5/24

May 30 - Jun 6

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

23h 53m

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

18h 15m

$317

Multiple Airlines

Deal found 5/24

One-way flights to Houston from Ontario

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.

Jun 6

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

15h 27m

$79

Frontier

Deal found 5/24

Jun 6

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

15h 27m

$80

Frontier

Deal found 5/24

Jun 7

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

13h 15m

$85

Undisclosed Carrier

Deal found 5/24

Jun 7

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

15h 57m

$98

Multiple Airlines

Deal found 5/24

Aug 24

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

9h 24m

$99

Undisclosed Carrier

Deal found 5/25

Jun 26

ONT

Ontario

HOU

Houston Hobby

1 stop

10h 30m

$99

Undisclosed Carrier

Deal found 5/24

Jul 2

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

17h 13m

$100

Frontier

Deal found 5/24

Oct 30

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

17h 06m

$102

Frontier

Deal found 5/23

Jun 6

ONT

Ontario

IAH

Houston George Bush Intcntl

2 stops

14h 50m

$106

Multiple Airlines

Deal found 5/24

Find flights from Ontario to Houston within your budget

Fly from

Fly to

Budget

$150 - $317

Route

Depart

Return

Price

OntarioHouston George Bush Intcntl

ONT - IAH

ONTIAH

Ontario

Tue 6/6

1 stop15h 27m

Houston George Bush Intcntl

Tue 6/13

1 stop18h 01m

$150

Pick Dates

OntarioHouston George Bush Intcntl

ONT - IAH

ONTIAH

Ontario

Wed 6/28

1 stop5h 20m

Houston George Bush Intcntl

Tue 7/4

1 stop11h 05m

$165

Pick Dates

OntarioHouston George Bush Intcntl

ONT - IAH

ONTIAH

Ontario

Wed 6/21

1 stop5h 20m

Houston George Bush Intcntl

Wed 6/28

1 stop18h 15m

$171

Pick Dates

OntarioHouston George Bush Intcntl

ONT - IAH

ONTIAH

Ontario

Tue 6/13

1 stop14h 43m

Houston George Bush Intcntl

Tue 6/20

1 stop21h 01m

$182

Pick Dates

OntarioHouston George Bush Intcntl

ONT - IAH

ONTIAH

Ontario

Wed 6/14

1 stop17h 22m

Houston George Bush Intcntl

Tue 6/20

1 stop21h 01m

$195

Pick Dates

OntarioHouston George Bush Intcntl

ONT - IAH

ONTIAH

Ontario

Mon 7/10

1 stop9h 40m

Houston George Bush Intcntl

Tue 7/18

1 stop11h 19m

$208

Pick Dates

OntarioHouston Hobby

ONT - HOU

ONTHOU

Ontario

Tue 7/11

1 stop8h 28m

Houston Hobby

Tue 7/18

1 stop6h 42m

$208

Pick Dates

OntarioHouston George Bush Intcntl

ONT - IAH

ONTIAH

Ontario

Tue 8/1

1 stop5h 43m

Houston George Bush Intcntl

Tue 8/8

1 stop6h 28m

$277

Pick Dates

OntarioHouston Hobby

ONT - HOU

ONTHOU

Ontario

Fri 8/4

1 stop7h 04m

Houston Hobby

Wed 8/9

1 stop5h 24m

$317

Pick Dates

Flights are sorted by cheapest first

Deals found on 5/24

Reviews of Airlines Servicing Houston

Read through reviews of airlines operating flights from Ontario to Houston, such as Frontier, United Airlines and Undisclosed Carrier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

2,342 reviews

Check prices

Reviews

1 / 10

There was limited food and drink options (no coffee/tea) and my tray was broken and inoperable so I couldn’t even put my drink down to eat my tiny bag of chips.

Delta

8.0

Very good

2,342 reviews

Delta

8.0

Very good

2,342 reviews

Check prices

Reviews

1 / 10

There was limited food and drink options (no coffee/tea) and my tray was broken and inoperable so I couldn’t even put my drink down to eat my tiny bag of chips.

United Airlines

7.6

Good

1,488 reviews

Delta

8.0

Very good

2,342 reviews

Check prices

Reviews

1 / 10

There was limited food and drink options (no coffee/tea) and my tray was broken and inoperable so I couldn’t even put my drink down to eat my tiny bag of chips.

American Airlines

7.4

Good

2,147 reviews

Delta

8.0

Very good

2,342 reviews

Check prices

Reviews

1 / 10

There was limited food and drink options (no coffee/tea) and my tray was broken and inoperable so I couldn’t even put my drink down to eat my tiny bag of chips.

Frontier

5.9

Fair

644 reviews

Delta

8.0

Very good

2,342 reviews

Check prices

Reviews

1 / 10

There was limited food and drink options (no coffee/tea) and my tray was broken and inoperable so I couldn’t even put my drink down to eat my tiny bag of chips.

Related info for your journey

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).

Alternative routes for Ontario to Houston

Burbank to Brownsvillefrom $31 pp

San Diego to Austinfrom $70 pp

Los Angeles to San Antoniofrom $94 pp

Santa Ana to Austinfrom $96 pp

Los Angeles to Austinfrom $99 pp

Los Angeles to McAllenfrom $106 pp

Top 5 airlines flying from Ontario to Houston

Airline	Cheapest	Average	Flexibility	On-time	COVID-19 safety
Spirit Airlines	Cheapest$84	Average$217	FlexibilityNo cancel fee	On-time65%	COVID-19 safety	Search Spirit Airlines flights
Delta	Cheapest$139	Average$370	FlexibilityNo cancel fee	On-timeN/A	COVID-19 safety	Search Delta flights
Frontier	Cheapest$145	Average$220	FlexibilityNo cancel fee	On-time62%	COVID-19 safety	Search Frontier flights
United Airlines	Cheapest$196	Average$433	FlexibilityNo cancel fee	On-time69%	COVID-19 safety	Search United Airlines flights
American Airlines	Cheapest$283	Average$544	FlexibilityNo cancel fee	On-time71%	COVID-19 safety	Search American Airlines flights

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Ontario to Homer flights

Weekly flight availability from Ontario to Houston

Sunday	2daily flights
Monday	1daily flight
Tuesday	1daily flight
Wednesday	1daily flight
Thursday	1daily flight
Friday	1daily flight
Saturday	0daily flights

Cheap flights from Ontario (ONT) to Houston from $79

This is the cheapest one-way flight price, found on 5/24. Prices may vary by date and flight preferences.

The best prices from Ontario to Houston are usually found in January or February, booked 45 days in advance, depart on a Thursday or Wednesday and return on a Monday

How to find the cheapest flight from Ontario (ONT) to Houston

All the information you need to plan the best ONT to HO1 flight in 2023: compare Ontario to Houston flight prices with the expected peak season, weather and rainfall in Houston.

Popular in

Cheapest in

Round-trip from

One-way from

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

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

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

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

Cheap flights from Ontario to Houston in May, June 2023

The best prices found for ONT to Houston flights for May, June

Check out some of the best flight deals from Ontario to Houston in 2023. For more flight deals, be sure to check back very soon.

Ontario to Houston 2023 flight deals

Cheap flights to Houston from Ontario found for this year

Check out some of the best flight deals from Ontario to Houston in 2023. For more flight deals, be sure to check back very soon.

Cheap Frontier flights from Ontario to Houston

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.

Cheap United Airlines flights from Ontario to Houston

Take a gander at the lowest prices we've found on United Airlines flights from Ontario to Houston. Deals frequently update to provide users with more options.

Non-stop flights to Houston from Ontario

Save time with Ontario to Houston direct flight deals

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.

Last minute flights from Ontario to Houston

Late deals on return flights to Houston from Ontario, departing today and this week

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.

One-way flights to Houston from Ontario

The cheapest one-way flights from Ontario to Houston

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.

Find flights from Ontario to Houston within your budget

Use the slider to find flights from Ontario to Houston that fit your budget.

Reviews of Airlines Servicing Houston

Read through reviews of airlines operating flights from Ontario to Houston, such as Frontier, United Airlines and Undisclosed Carrier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Useful info, stats and facts about Ontario to Houston flights.

What airport do you fly from for flights from Ontario to Houston?

Which airlines flying from Ontario to Houston have flexible cancellations due to COVID-19?

Can I find flights from Ontario to Houston for under $200 on Cheapflights?

Are there nonstop flights from Ontario to Houston for under $400 on Cheapflights?

Are there last-minute flights available from Ontario to Houston for under $300?

What are the cheapest airlines flying from Ontario to Houston round-trip?

What are the cheapest airlines to fly from Ontario to Houston one-way?

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

What are the cheapest flights from Ontario to Houston?

What does ONT to IAH mean?

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Flights to Houston from Ontario

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Alternative routes for Ontario to Houston

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Top 5 airlines flying from Ontario to Houston

The chart below displays the airlines Cheapflights users traveling from Ontario to Houston choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

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Weekly flight availability from Ontario to Houston

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