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

Currently priced at $187, Undisclosed Carrier will fly you from Houston to Ontario and back. In addition to Undisclosed Carrier, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Frontier for as low as $223. Undisclosed Carrier is currently priced 42% below the average price you’ll pay for this route.

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

One-way options have recently been found by users for as low as $99 on Undisclosed Carrier. Other airlines that offer cheap prices include Frontier from $115 and United Airlines from $139 one-way.

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

When booking a flight from Houston to Ontario, you may want to consider flying on American Airlines, Delta or Frontier as they are the most popular for this route.

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

Yes, there are multiple flights from Houston to Ontario for under $200. The cheapest flight booked recently is on Multiple Airlines for just $157, but on average you can expect to pay $199.

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

Cheapflights has at least 14 direct flights from Houston to Ontario under $400. A good price for a nonstop flight from Houston to Ontario is less than $535.

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

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

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

United Airlines, American Airlines, and Frontier are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

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

Sunday is generally a great day to depart. Flying on this day could help you save up to 18%.

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

Find a great deal and save up to 63% by booking at least 31 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Houston to Ontario within the next two weeks, with the cheapest ticket starting at $281.

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

Our data shows that January tends to be the cheapest month to fly to Ontario from Houston. Users have commonly found prices around $254 for the month, but tickets can be as low as $81. Due to multiple factors, prepare for potentially higher prices in July.

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

A simple way to save on the total cost of your ticket is to fly from Houston to Ontario in the afternoon. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight at noon.

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

Ontario (ONT), located 3.1 mi from the city center, is the airport you fly into when you book flights from Houston to Ontario. 5 airlines have flights to Ontario from Houston on a regular basis. Booking flights from Houston to Ontario should not be difficult; the airport handles an average of 0 inbound flights from Houston per day.

Flights from Houston, TX to Ontario, CA from $78

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

Popular in	March
Cheapest in	February
Round-trip from	$169
One-way from	$142

High demand for flights, 27% potential price rise

Search Deals

Best time to find cheap flights, 48% potential price drop

Search Deals

From Houston to Ontario

Search Deals

One-way flight from Houston to Ontario

Search Deals

IAH - ONT Price	$169 - $448
ONT Temperature	53.6 - 78.8 °F
ONT Rainfall	0.1 - 3.4 inches

IAH - ONT

Price

$169 - $448

ONT

Temperature

53.6 - 78.8 °F

ONT

Rainfall

0.1 - 3.4 inches

Cheap flights from Houston to Ontario in May, June 2023

These are some of the most attractive deals on flights from Houston to Ontario in 2023. Check back in a little while for more flight options.

Jun 21 - Jun 28

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

20h 30m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

16h 28m

$157

Multiple Airlines

Deal found 5/24

Jun 7 - Jun 21

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

20h 56m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

5h 20m

$161

Multiple Airlines

Deal found 5/24

Jun 7 - Jun 28

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

18h 41m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

5h 20m

$169

Multiple Airlines

Deal found 5/24

Jun 20 - Jun 27

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

18h 39m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

22h 27m

$170

Multiple Airlines

Deal found 5/23

Jun 9 - Jun 21

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

8h 45m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

5h 20m

$179

Multiple Airlines

Deal found 5/24

Jun 14 - Jun 21

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

18h 31m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

17h 58m

$187

Undisclosed Carrier

Deal found 5/24

Jun 9 - Jun 19

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

8h 45m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

16h 38m

$188

Multiple Airlines

Deal found 5/24

Jun 7 - Jun 27

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

18h 58m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

12h 12m

$198

Undisclosed Carrier

Deal found 5/24

Jun 9 - Jun 20

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

8h 45m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

14h 48m

$199

Multiple Airlines

Deal found 5/24

Houston to Ontario 2023 flight deals

These are some of the most attractive deals on flights from Houston to Ontario in 2023. Check back in a little while for more flight options.

Jun 21 - Jun 28

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

20h 30m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

16h 28m

$157

Multiple Airlines

Deal found 5/24

Jun 7 - Jun 21

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

20h 56m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

5h 20m

$161

Multiple Airlines

Deal found 5/24

Jun 7 - Jun 28

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

18h 41m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

5h 20m

$169

Multiple Airlines

Deal found 5/24

Jun 20 - Jun 27

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

18h 39m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

22h 27m

$170

Multiple Airlines

Deal found 5/23

Jun 9 - Jun 21

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

8h 45m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

5h 20m

$179

Multiple Airlines

Deal found 5/24

Jun 14 - Jun 21

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

18h 31m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

17h 58m

$187

Undisclosed Carrier

Deal found 5/24

Jun 9 - Jun 19

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

8h 45m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

16h 38m

$188

Multiple Airlines

Deal found 5/24

Jun 7 - Jun 27

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

18h 58m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

12h 12m

$198

Undisclosed Carrier

Deal found 5/24

Jun 9 - Jun 20

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

8h 45m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

14h 48m

$199

Multiple Airlines

Deal found 5/24

Cheap Undisclosed Carrier flights from Houston to Ontario

Take a look at some of the lowest-priced Undisclosed Carrier flights heading from Houston to Ontario. Make sure to check back often as deals are often changing.

Jun 14 - Jun 21

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

18h 31m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

17h 58m

$187

Undisclosed Carrier

Deal found 5/24

Jun 7 - Jun 27

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

18h 58m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

12h 12m

$198

Undisclosed Carrier

Deal found 5/24

Jun 25 - Jun 27

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

11h 29m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

12h 12m

$200

Undisclosed Carrier

Deal found 5/24

Oct 14 - Oct 15

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

16h 11m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

8h 45m

$208

Undisclosed Carrier

Deal found 5/24

Jun 9 - Jun 14

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

11h 10m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

17h 22m

$216

Undisclosed Carrier

Deal found 5/25

Jun 15 - Jun 17

HOU

Houston Hobby

ONT

Ontario

1 stop

9h 27m

ONT

Ontario

HOU

Houston Hobby

1 stop

11h 02m

$257

Undisclosed Carrier

Deal found 5/24

May 30 - Jun 6

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

12h 56m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

11h 48m

$269

Undisclosed Carrier

Deal found 5/24

May 30 - Jun 6

IAH

Houston George Bush Intcntl

ONT

Ontario

2 stops

19h 10m

ONT

Ontario

IAH

Houston George Bush Intcntl

2 stops

13h 33m

$311

Undisclosed Carrier

Deal found 5/24

Jun 3 - Jun 6

IAH

Houston George Bush Intcntl

ONT

Ontario

3 stops

47h 11m

ONT

Ontario

IAH

Houston George Bush Intcntl

2 stops

21h 44m

$314

Undisclosed Carrier

Deal found 5/24

Cheap Frontier flights from Houston to Ontario

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

Jun 20 - Jun 27

HOU

Houston Hobby

ONT

Ontario

1 stop

6h 49m

ONT

Ontario

HOU

Houston Hobby

1 stop

10h 30m

$223

Frontier

Deal found 5/23

Jun 20 - Jun 27

HOU

Houston Hobby

ONT

Ontario

1 stop

6h 49m

ONT

Ontario

HOU

Houston Hobby

1 stop

10h 30m

$237

Frontier

Deal found 5/23

Jun 10 - Jun 13

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

12h 04m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

14h 43m

$268

Frontier

Deal found 5/24

Aug 15 - Aug 22

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

11h 19m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

9h 40m

$269

Frontier

Deal found 5/24

Jun 9 - Jun 13

HOU

Houston Hobby

ONT

Ontario

1 stop

10h 46m

ONT

Ontario

HOU

Houston Hobby

1 stop

10h 30m

$276

Frontier

Deal found 5/24

Oct 24 - Oct 30

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

16h 11m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

17h 06m

$278

Frontier

Deal found 5/24

Jun 15 - Jun 18

HOU

Houston Hobby

ONT

Ontario

1 stop

9h 27m

ONT

Ontario

HOU

Houston Hobby

1 stop

11h 02m

$288

Frontier

Deal found 5/24

Jun 20 - Jun 27

HOU

Houston Hobby

ONT

Ontario

1 stop

6h 49m

ONT

Ontario

HOU

Houston Hobby

1 stop

10h 30m

$290

Frontier

Deal found 5/23

Jun 17 - Jun 18

HOU

Houston Hobby

ONT

Ontario

1 stop

9h 57m

ONT

Ontario

HOU

Houston Hobby

1 stop

11h 02m

$298

Frontier

Deal found 5/24

Non-stop flights to Ontario from Houston

If you're seeking options on non-stop flights from Houston to Ontario, check out these fares. Select from other flights from Houston to Ontario by using the search form above.

Jun 14 - Jun 21

IAH

Houston George Bush Intcntl

ONT

Ontario

Nonstop

4h 39m

ONT

Ontario

IAH

Houston George Bush Intcntl

Nonstop

0h 39m

$358

Undisclosed Carrier

Deal found 5/24

Jun 7 - Jun 28

IAH

Houston George Bush Intcntl

ONT

Ontario

Nonstop

4h 39m

ONT

Ontario

IAH

Houston George Bush Intcntl

Nonstop

0h 39m

$436

Undisclosed Carrier

Deal found 5/24

Jun 28 - Jul 10

IAH

Houston George Bush Intcntl

ONT

Ontario

Nonstop

4h 39m

ONT

Ontario

IAH

Houston George Bush Intcntl

Nonstop

0h 39m

$446

Undisclosed Carrier

Deal found 5/24

Jun 25 - Jun 28

IAH

Houston George Bush Intcntl

ONT

Ontario

Nonstop

4h 39m

ONT

Ontario

IAH

Houston George Bush Intcntl

Nonstop

0h 39m

$472

Undisclosed Carrier

Deal found 5/24

Jun 9 - Jun 14

IAH

Houston George Bush Intcntl

ONT

Ontario

Nonstop

4h 39m

ONT

Ontario

IAH

Houston George Bush Intcntl

Nonstop

0h 39m

$498

Undisclosed Carrier

Deal found 5/24

Jun 15 - Jun 18

IAH

Houston George Bush Intcntl

ONT

Ontario

Nonstop

4h 39m

ONT

Ontario

IAH

Houston George Bush Intcntl

Nonstop

0h 39m

$502

Undisclosed Carrier

Deal found 5/24

Jun 9 - Jun 11

IAH

Houston George Bush Intcntl

ONT

Ontario

Nonstop

4h 39m

ONT

Ontario

IAH

Houston George Bush Intcntl

Nonstop

0h 39m

$508

Undisclosed Carrier

Deal found 5/24

Jul 14 - Jul 17

IAH

Houston George Bush Intcntl

ONT

Ontario

Nonstop

4h 39m

ONT

Ontario

IAH

Houston George Bush Intcntl

Nonstop

0h 39m

$525

Undisclosed Carrier

Deal found 5/24

Jun 25 - Jun 29

IAH

Houston George Bush Intcntl

ONT

Ontario

Nonstop

4h 39m

ONT

Ontario

IAH

Houston George Bush Intcntl

Nonstop

0h 39m

$542

Undisclosed Carrier

Deal found 5/24

Last minute flights from Houston to Ontario

Users seeking a last-minute flight from Houston to Ontario should consider booking one of these fares. Tip: verify your flight details before completing your reservation.

May 31 - Jun 7

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

17h 44m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

15h 57m

$234

Multiple Airlines

Deal found 5/24

Jun 2 - Jun 6

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

19h 19m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

15h 27m

$264

Multiple Airlines

Deal found 5/24

May 30 - Jun 6

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

12h 56m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

11h 48m

$269

Undisclosed Carrier

Deal found 5/24

May 31 - Aug 2

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

17h 44m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

5h 31m

$274

Multiple Airlines

Deal found 5/25

May 31 - Aug 2

IAH

Houston George Bush Intcntl

ONT

Ontario

2 stops

28h 28m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

5h 31m

$275

Multiple Airlines

Deal found 5/25

May 31 - Jun 7

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

17h 44m

ONT

Ontario

IAH

Houston George Bush Intcntl

2 stops

13h 33m

$276

Multiple Airlines

Deal found 5/24

Jun 3 - Jun 6

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

11h 54m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

15h 27m

$298

Multiple Airlines

Deal found 5/24

Jun 1 - Jun 6

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

11h 56m

ONT

Ontario

IAH

Houston George Bush Intcntl

1 stop

15h 27m

$301

Multiple Airlines

Deal found 5/24

May 30 - Jun 6

IAH

Houston George Bush Intcntl

ONT

Ontario

2 stops

19h 10m

ONT

Ontario

IAH

Houston George Bush Intcntl

2 stops

13h 33m

$311

Undisclosed Carrier

Deal found 5/24

One-way flights to Ontario from Houston

Take a look at some of the best available options we've come across on one-way flights from Houston to Ontario. Users can also find round-trip Houston to Ontario flights by using the search form above.

Jun 13

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

18h 01m

$78

Multiple Airlines

Deal found 5/25

Jun 20

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

18h 39m

$88

Multiple Airlines

Deal found 5/24

Jun 9

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

25h 09m

$97

Multiple Airlines

Deal found 5/25

Oct 24

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

16h 11m

$99

Undisclosed Carrier

Deal found 5/24

Jun 27

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

21h 41m

$102

Undisclosed Carrier

Deal found 5/24

Jun 12

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

53h 36m

$104

Multiple Airlines

Deal found 5/25

Jul 3

HOU

Houston Hobby

ONT

Ontario

1 stop

8h 52m

$109

Undisclosed Carrier

Deal found 5/24

Jun 19

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

6h 16m

$114

Undisclosed Carrier

Deal found 5/24

Jun 14

IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

20h 46m

$115

Frontier

Deal found 5/24

Find flights from Houston to Ontario within your budget

Fly from

Fly to

Budget

$157 - $372

Route

Depart

Return

Price

Houston George Bush IntcntlOntario

IAH - ONT

IAHONT

Houston George Bush Intcntl

Wed 6/21

1 stop20h 30m

Ontario

Wed 6/28

1 stop16h 28m

$157

Pick Dates

Houston George Bush IntcntlOntario

IAH - ONT

IAHONT

Houston George Bush Intcntl

Wed 6/7

1 stop20h 56m

Ontario

Wed 6/21

1 stop5h 20m

$161

Pick Dates

Houston George Bush IntcntlOntario

IAH - ONT

IAHONT

Houston George Bush Intcntl

Wed 6/7

1 stop18h 41m

Ontario

Wed 6/28

1 stop5h 20m

$169

Pick Dates

Houston George Bush IntcntlOntario

IAH - ONT

IAHONT

Houston George Bush Intcntl

Tue 6/20

1 stop18h 39m

Ontario

Tue 6/27

1 stop22h 27m

$170

Pick Dates

Houston George Bush IntcntlOntario

IAH - ONT

IAHONT

Houston George Bush Intcntl

Wed 6/14

1 stop18h 31m

Ontario

Wed 6/21

1 stop17h 58m

$187

Pick Dates

Houston George Bush IntcntlOntario

IAH - ONT

IAHONT

Houston George Bush Intcntl

Wed 6/7

1 stop18h 58m

Ontario

Tue 6/27

1 stop12h 12m

$198

Pick Dates

Houston HobbyOntario

HOU - ONT

HOUONT

Houston Hobby

Tue 6/20

1 stop6h 49m

Ontario

Tue 6/27

1 stop10h 30m

$223

Pick Dates

Houston HobbyOntario

HOU - ONT

HOUONT

Houston Hobby

Tue 8/1

1 stop6h 20m

Ontario

Sat 8/5

1 stop7h 44m

$337

Pick Dates

Houston HobbyOntario

HOU - ONT

HOUONT

Houston Hobby

Sat 8/5

1 stop8h 04m

Ontario

Sat 8/12

2 stops13h 55m

$372

Pick Dates

Flights are sorted by cheapest first

Deals found on 5/24

Reviews of Airlines Servicing Ontario

See what other customers who have flown with Undisclosed Carrier, Frontier and American Airlines from Houston to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

2,353 reviews

Check prices

Reviews

1 / 10

I was told at the gate that my 3 hr flight from Tucson to Atlanta would offer 3 choices for a light meal/snack. None was offered. I would have planned accordingly before boarding if give the correct info

Delta

8.0

Very good

2,353 reviews

Delta

8.0

Very good

2,353 reviews

Check prices

Reviews

1 / 10

I was told at the gate that my 3 hr flight from Tucson to Atlanta would offer 3 choices for a light meal/snack. None was offered. I would have planned accordingly before boarding if give the correct info

United Airlines

7.6

Good

1,487 reviews

Delta

8.0

Very good

2,353 reviews

Check prices

Reviews

1 / 10

I was told at the gate that my 3 hr flight from Tucson to Atlanta would offer 3 choices for a light meal/snack. None was offered. I would have planned accordingly before boarding if give the correct info

American Airlines

7.4

Good

2,161 reviews

Delta

8.0

Very good

2,353 reviews

Check prices

Reviews

1 / 10

I was told at the gate that my 3 hr flight from Tucson to Atlanta would offer 3 choices for a light meal/snack. None was offered. I would have planned accordingly before boarding if give the correct info

Spirit Airlines

6.6

Okay

1,012 reviews

Delta

8.0

Very good

2,353 reviews

Check prices

Reviews

1 / 10

I was told at the gate that my 3 hr flight from Tucson to Atlanta would offer 3 choices for a light meal/snack. None was offered. I would have planned accordingly before boarding if give the correct info

Frontier

5.9

Fair

645 reviews

Delta

8.0

Very good

2,353 reviews

Check prices

Reviews

1 / 10

I was told at the gate that my 3 hr flight from Tucson to Atlanta would offer 3 choices for a light meal/snack. None was offered. I would have planned accordingly before boarding if give the correct info

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 Houston George Bush Intcntl Airport to Ontario Airport flight would often be abbreviated as a IAH to ONT flight. Houston Hobby Airport (HOU), College Station Easterwood Field Airport (CLL), Beaumont Jefferson County Airport (BPT) are other airports near this flight route and their unique identifiers/IATA codes.

Alternative routes for Houston to Ontario

Austin to San Diegofrom $81 pp

Austin to Santa Anafrom $95 pp

San Antonio to Los Angelesfrom $108 pp

Austin to Los Angelesfrom $116 pp

McAllen to Los Angelesfrom $117 pp

Austin to Sacramentofrom $130 pp

Top 5 airlines flying from Houston to Ontario

Airline	Cheapest	Average	Flexibility	On-time	COVID-19 safety
Delta	Cheapest$79	Average$476	FlexibilityNo cancel fee	On-timeN/A	COVID-19 safety	Search Delta flights
Spirit Airlines	Cheapest$118	Average$238	FlexibilityNo cancel fee	On-time65%	COVID-19 safety	Search Spirit Airlines flights
Frontier	Cheapest$133	Average$222	FlexibilityNo cancel fee	On-time62%	COVID-19 safety	Search Frontier flights
United Airlines	Cheapest$237	Average$425	FlexibilityNo cancel fee	On-time69%	COVID-19 safety	Search United Airlines flights
American Airlines	Cheapest$265	Average$575	FlexibilityNo cancel fee	On-time71%	COVID-19 safety	Search American Airlines flights

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Salt Lake City to Los Angeles flights

Houston to Coolangatta flights

Cheap flights from Houston to Ontario (ONT) from $78

This is the cheapest one-way flight price, found on 5/25. Prices may vary by date and flight preferences.

The best prices from Houston to Ontario are usually found in February or September, booked 49 days in advance, depart on a Monday or Wednesday and return on a Thursday

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

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

Popular in

Cheapest in

Round-trip from

One-way from

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

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

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

Cheap flights from Houston to Ontario in May, June 2023

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

These are some of the most attractive deals on flights from Houston to Ontario in 2023. Check back in a little while for more flight options.

Houston to Ontario 2023 flight deals

Cheap flights to Ontario from Houston found for this year

These are some of the most attractive deals on flights from Houston to Ontario in 2023. Check back in a little while for more flight options.

Cheap Undisclosed Carrier flights from Houston to Ontario

Take a look at some of the lowest-priced Undisclosed Carrier flights heading from Houston to Ontario. Make sure to check back often as deals are often changing.

Cheap Frontier flights from Houston to Ontario

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

Non-stop flights to Ontario from Houston

Save time with Houston to Ontario direct flight deals

If you're seeking options on non-stop flights from Houston to Ontario, check out these fares. Select from other flights from Houston to Ontario by using the search form above.

Last minute flights from Houston to Ontario

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

Users seeking a last-minute flight from Houston to Ontario should consider booking one of these fares. Tip: verify your flight details before completing your reservation.

One-way flights to Ontario from Houston

The cheapest one-way flights from Houston to Ontario

Take a look at some of the best available options we've come across on one-way flights from Houston to Ontario. Users can also find round-trip Houston to Ontario flights by using the search form above.

Find flights from Houston to Ontario within your budget

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

Reviews of Airlines Servicing Ontario

See what other customers who have flown with Undisclosed Carrier, Frontier and American Airlines from Houston to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

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

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

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

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

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

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

What does IAH to ONT mean?

Other flights to Ontario

Flights to Ontario from Houston

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Alternative routes for Houston to Ontario

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Top 5 airlines flying from Houston to Ontario

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

Popular flight searches

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