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)

All the information you need to plan the best ONT to IAH flight in 2021: compare Ontario to Houston flight prices with the expected peak season, weather and rainfall in Houston.
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

$137

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 evening, which can drop the price by up to 20% versus a flight at noon.

Cheap flights from Ontario to Houston in June, July 2021

The best prices found for ONT to IAH flights for June, July
22 Jul - 25 Jul
$165pp
ONT
Ontario
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
ONT
Ontario
26 Jul - 7 Aug
$167pp
ONT
Ontario
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
ONT
Ontario
9 Jul - 12 Jul
$180pp
ONT
Ontario
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
ONT
Ontario

Ontario to Houston 2021 flight deals

Cheap flights to Houston from Ontario found for this year
27 Oct - 31 Oct
$163pp
ONT
Ontario
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
ONT
Ontario
22 Jul - 25 Jul
$165pp
ONT
Ontario
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
ONT
Ontario
26 Jul - 7 Aug
$167pp
ONT
Ontario
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
ONT
Ontario

Non-stop flights to Houston from Ontario

Save time with Ontario to Houston direct flight deals
27 Oct - 31 Oct
$163pp
ONT
Ontario
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
ONT
Ontario
14 Oct - 17 Oct
$230pp
ONT
Ontario
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
ONT
Ontario
10 Sep - 14 Sep
$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

Late deals on round-trip flights to Houston from Ontario, departing today and this week
23 Jun - 28 Jul
$182pp
ONT
Ontario
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
ONT
Ontario
25 Jun - 28 Jun
$193pp
ONT
Ontario
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
ONT
Ontario
25 Jun - 27 Jun
$194pp
ONT
Ontario
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
ONT
Ontario

One-way flights to Houston from Ontario

The cheapest one-way flights from Ontario to Houston
5:54 am - 4:51 am
Multiple Airlines
2 Stops
20h 57m
ONT - IAH
Multiple Airlines
$137
Priceline
4:25 am - 12:13 pm
American Airlines
1 Stop
5h 48m
ONT - IAH
American Airlines
12:32 pm - 7:38 am
Frontier
2 Stops
17h 06m
ONT - IAH
Frontier
$144
JustFly

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Ontario</span> to <span class="emphasized">Houston</span> flights.

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.

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.

What airports do I use to fly from Ontario to Houston?

Houston George Bush Intcntl is the airport most travelers will use when flying to Houston from Ontario. Booking flights from Ontario (ONT) to George Bush Intcntl (IAH) should be relatively easy as there are 2 daily flights to Houston from 6 different airlines. 3h 12m is how long a flight from Ontario to Houston George Bush Intcntl will take if you book a nonstop flight.

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 United Airlines for just $163, but on average you can expect to pay $186.

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 $342.

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 days are nonstop flights available from Ontario to Houston?

You can find nonstop flights on the following days: Thursday.

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 2 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?

United Airlines and Frontier can get you from Ontario to Houston in just under 3h 12m. Your travel time can differ by up to 5h 20m. Both multi-stop and nonstop flights can be found to your destination and back.

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

Cheapflights users have booked flights from Ontario to Houston round-trip from $163. Another airline that can offer you cheap pricing is Frontier. These flights start at 45% 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 United Airlines. According to our data, you can fly for as low as $82. Users have also found prices from $84 and $138 on United Airlines and Frontier, respectively.

Alternative routes for Ontario to Houston

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Houston

Things to know before you go - useful duration and weather info for your trip from Ontario to Houston.
Flight duration
3h 14m
Average temperature for June in Houston
82.4 °F
Avg rainfall for June in Houston
0.0 ″

Airports servicing Ontario

Airports servicing Houston

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.
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

See what time of day planes typically take off from Ontario towards Houston.
Morning 6 AM to noon 87% of ONT to IAH departures
Afternoon Noon to 6 PM 12% of ONT to IAH departures
Early morning Midnight to 6 AM 1% 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
See how many times per day planes take to the skies headed from Ontario to Houston.
Sunday
2 daily flights
Monday
2 daily flights
Tuesday
3 daily flights
Wednesday
3 daily flights
Thursday
2 daily flights
Friday
2 daily flights
Saturday
2 daily flights
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