Cheap flights from Ontario to Houston (ONT - IAH)

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The best prices from Ontario to Houston are usually found in April or September, booked 42 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 (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 - HO1
Price
$157 - $373
HO1
Temperature
53.6 - 84.2 °F
HO1
Precipitation
3.2 - 5.9 inches

Popular in

November

High demand for flights, 23% potential price rise

Cheapest in

April

Best time to find cheap flights, 45% potential price drop

Round-trip from

$157

From Ontario to Houston

One-way from

$104

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 month to fly from Ontario to Houston?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to Houston. Flights to Houston from Ontario in August are about $170 on average during August, but can be found for as low as $49.

When is the cheapest time to fly from Ontario to Houston (ONT - HO1)?

Unlike in the morning, when flights are generally more expensive, you can save up to 17% on flights from Ontario to Houston by exploring options for tickets in the afternoon.

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

Travelers have found that booking a Wednesday departure is the best way to save up to 11% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 23 days in advance, which can save you up to 29% on flights from Ontario to Houston compared to booking the week you need them. Waiting 23 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $167. For sooner than that we have options available in the next 3 days from $215.

Cheap flights from Ontario to Houston in October, November 2021

The best prices found for ONT to IAH flights for October, November
3 Nov - 6 Nov
$88pp
ONT
Ontario
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
ONT
Ontario
2 Nov - 6 Nov
$93pp
ONT
Ontario
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
ONT
Ontario
9 Nov - 16 Nov
$98pp
ONT
Ontario
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
   
2 STOPS
ONT
Ontario

Ontario to Houston 2021 flight deals

Cheap flights to Houston from Ontario found for this year
3 Nov - 6 Nov
$88pp
ONT
Ontario
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
ONT
Ontario
14 Dec - 5 Jan
$93pp
ONT
Ontario
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
ONT
Ontario
9 Nov - 16 Nov
$98pp
ONT
Ontario
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
   
2 STOPS
ONT
Ontario

Non-stop flights to Houston from Ontario

Save time with Ontario to Houston direct flight deals
12 Nov - 16 Nov
$207pp
ONT
Ontario
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
ONT
Ontario
9 Nov - 13 Nov
$222pp
ONT
Ontario
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
ONT
Ontario
9 Nov - 12 Nov
$227pp
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
27 Oct - 3 Nov
$148pp
ONT
Ontario
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
ONT
Ontario
27 Oct - 29 Oct
$178pp
ONT
Ontario
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
ONT
Ontario
29 Oct - 31 Oct
$179pp
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
6:50 pm - 12:01 am
United Airlines
Nonstop
3h 11m
ONT - IAH
United Airlines
$104
United
4:14 am - 12:35 pm
American Airlines
2 Stops
6h 21m
ONT - IAH
American Airlines
10:58 am - 9:53 am
Multiple Airlines
2 Stops
20h 55m
ONT - IAH
Multiple Airlines
$118
Kiwi.com

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

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 are 0 daily outbound flights to Houston from 6 different airlines.

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 American Airlines, United Airlines, and Frontier flying from Ontario to Houston 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 $84, but on average you can expect to pay $130.

Are there nonstop flights from Ontario to Houston for under $300 on Cheapflights?

Cheapflights has at least 20 direct flights from Ontario to Houston under $300. A good price for a nonstop flight from Ontario to Houston is less than $260.

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?

Nonstop flights are available for this route on the following days: Saturday.

How popular is this Ontario to Houston flight route?

This flight path from Ontario to Houston was viewed by 40 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How many flights depart from Ontario to Houston on average per day?

Per day, 1 flight departs from Ontario to Houston on average.
Evening (6pm - Midnight) - 100% of flight departures

How long is the flight from Ontario to Houston?

There are many flights that can get you from Ontario to Houston in 5h 16m. Fly via Frontier to get the fastest option. The distance from Ontario to Houston is about 1339 mi.

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

Frontier, at $84, was found to be the cheapest airline from Ontario to Houston.. Frontier is priced at 70% 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?

$44 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $104 and $113, respectively.

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

Consider Major Airline, American Airlines or Delta 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 $100. On average you can expect to pay $558. The most popular route, (Ontario - Houston Hobby), can usually be booked for $113.

COVID Restrictions

View COVID Travel Restrictions for Houston, TX

Do I need a COVID test to fly to Houston from Ontario?

Information is based on travel restrictions for travel to Houston within the United States

Most visitors from Ontario need to provide a negative COVID-19 test result and/or quarantine to enter Houston.

COVID-19 testing requirements
Visitors from Ontario must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Houston.

Quarantine requirements
Visitors from Ontario are not required to quarantine after entering Houston.

Do I need a test to fly back to Ontario from Houston?

Returning to Ontario from Houston

COVID-19 testing requirements
Visitors from Houston must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Ontario.

Quarantine requirements
Visitors from Houston are not required to quarantine after entering Ontario.

Hide COVID Travel Restrictions for Houston, TX

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.
Average temperature for October in Houston
77.0 °F

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
American Airlines
$102 $388 No cancel fee 71%
Delta
$102 $428 No cancel fee N/A
Spirit Airlines
$110 $210 No cancel fee 65%
Frontier
$114 $251 No cancel fee 62%
United Airlines
$130 $408 No cancel fee 69%

Hourly flight availability from Ontario to Houston

See what time of day planes typically take off from Ontario towards Houston.
Evening 6 PM to midnight 58% of ONT to IAH departures
Morning 6 AM to noon 25% of ONT to IAH departures
Early morning Midnight to 6 AM 17% of ONT to IAH departures
Afternoon Noon to 6 PM 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
0 flights
Monday
1 daily flight
Tuesday
1 daily flight
Wednesday
1 daily flight
Thursday
1 daily flight
Friday
1 daily flight
Saturday
0 flights
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