Cheap flights from Ontario to Houston (ONT - IAH)

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The best prices from Ontario to Houston are usually found in August or October, booked 16 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

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

ONT - IAH
Price
$168 - $372
IAH
Temperature
59 - 86 °F

Popular in

November

High demand for flights, 20% potential price rise

Cheapest in

August

Best time to find cheap flights, 44% potential price drop

Round-trip from

$168

From Ontario to Houston

One-way from

$99

One-way flight from Ontario to Houston

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Ontario to Houston?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

Find a great deal and save up to 26% by booking at least 44 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 Ontario to Houston within the next two weeks, with the cheapest ticket starting at $118.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, February can be a great choice for travel to Houston. Flights to Houston from Ontario in February are about $134 on average during February, but can be found for as low as $68.

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 30% versus a flight at noon.

Cheap flights from Ontario to Houston in March, April 2021

8 Apr - 11 Apr
$72pp
ONT
Ontario
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
ONT
Ontario
30 Mar - 6 Apr
$77pp
ONT
Ontario
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
ONT
Ontario
27 Apr - 12 May
$88pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
ONT
Ontario

Ontario to Houston 2021 flight deals

8 Apr - 11 Apr
$72pp
ONT
Ontario
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
ONT
Ontario
30 Mar - 6 Apr
$77pp
ONT
Ontario
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
ONT
Ontario
27 Apr - 12 May
$88pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
ONT
Ontario

Non-stop flights to Houston from Ontario

26 Mar - 27 Mar
$197pp
ONT
Ontario
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
ONT
Ontario
18 Mar - 22 Mar
$217pp
ONT
Ontario
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
ONT
Ontario
18 Mar - 21 Mar
$237pp
ONT
Ontario
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
ONT
Ontario

Last minute flights from Ontario to Houston

13 Mar - 24 Mar
$72pp
ONT
Ontario
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
ONT
Ontario
11 Mar - 20 Mar
$97pp
ONT
Ontario
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
ONT
Ontario
11 Mar - 21 Mar
$102pp
ONT
Ontario
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
ONT
Ontario

One-way flights to Houston from Ontario

9:04 am - 2:02 pm
United Airlines
Nonstop
2h 58m
ONT - IAH
United Airlines
$99
United
9:15 am - 6:57 pm
Frontier
1 Stop
7h 42m
ONT - IAH
Frontier
8:59 pm - 9:32 am
Multiple Airlines
2 Stops
34h 33m
ONT - IAH
Multiple Airlines
$107
Gotogate

Related info for your journey

Flight FAQs

From Ontario to Houston

Are flight prices decreasing from Ontario to Houston due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Ontario and Houston for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Ontario to Houston George Bush Intcntl to control the spread of COVID-19?

Delta is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. New policies for travelers booking flights from Ontario to Houston George Bush Intcntl include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

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

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

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 $72, but on average you can expect to pay $100.

Are there nonstop flights from Ontario to Houston for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Ontario to Houston under $200. A good price for a nonstop flight from Ontario to Houston is less than $334.

Are there last-minute flights available from Ontario to Houston for under $100?

There are currently 20+ open flights from Ontario to Houston within the next 7 days for less than $100.

What days are nonstop flights available from Ontario to Houston?

You can find nonstop flights on the following days: Tuesday, Friday, Saturday.

How popular is this flight route?

The Ontario to Houston George Bush Intcntl flight path was viewed by 758 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Does it rain more in Ontario or Houston?

When traveling, we recommend packing in preparation to handle common weather conditions. The rainfall in Ontario is typically less than Houston. We can gather that this will continue over the next 8 days.

Is Ontario weather warmer or cooler than Houston?

Our data indicates that the weather will be 95 °F on average in the month of July. The temperature in Houston is typically colder than in Ontario. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long is the flight from Ontario to Houston?

Frontier can get you from Ontario to Houston in just under 7h 42m. Your travel time can differ by up to .

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

Cheapflights users have booked flights from Ontario to Houston round-trip from $72. This flight start at 75% lower than the current average price 3 months from now.

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

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $36. Users have also found tickets on United Airlines for as little as $99.

Alternative routes for Ontario to Houston

Destination information for Houston

Average temperature for March in Houston
66.2 °F

Airports servicing Ontario

Airports servicing Houston

Top 5 airlines flying from Ontario to Houston

Airline Cheapest Average Flexibility On-time COVID-19 safety
Spirit Airlines
$146 $215 No cancel fee 65%
Frontier
$143 $253 No cancel fee 62%
American Airlines
$124 $362 No cancel fee 71%
United Airlines
$204 $422 No cancel fee 69%
Delta
$176 $505 No cancel fee N/A

Hourly flight availability from Ontario to Houston

Afternoon Noon to 6 PM 100% of ONT to IAH departures
Early morning Midnight to 6 AM 0% of ONT to IAH departures
Morning 6 AM to noon 0% of ONT to IAH departures
Evening 6 PM to midnight 0% of ONT to IAH departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Ontario to Houston
Sunday
2 daily flights
Monday
2 daily flights
Tuesday
2 daily flights
Wednesday
2 daily flights
Thursday
2 daily flights
Friday
2 daily flights
Saturday
2 daily flights
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