Find Cheap Flights from Houston to Ontario (HOU - LAX)

Flights overview

Useful information for finding cheap flights from Houston to Ontario and booking your next trip

Cheapest round-trip flights	$133	Frontier Nonstop 4 hr Thu, May 28 — Wed, Jun 3	The cheapest round-trip flight from Houston to Ontario is currently $133
Cheapest one-way flight	$59	Frontier Nonstop 4 hr Wed, Jun 3	The cheapest one-way flight from Houston to Ontario is currently $59
Last-minute weekend getaway	$158	Frontier Nonstop 4 hr Sat, May 9 — Mon, May 11	The cheapest last-minute weekend getaway from Houston to Ontario is currently $158
Cheapest business class flights	$361	Frontier Nonstop 4 hr Thu, May 28 — Wed, Jun 3	The cheapest business class round-trip flight from Houston to Ontario is currently $361

Fastest flight	3 hr 10 min	The fastest nonstop flight from Houston to Ontario takes 3 hr 10 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Houston to Ontario is typically May. The most expensive month to fly is typically March.

May Cheapest	Typical prices: $115–230
March Most expensive	Typical prices: $225–380

Popular airlines from Houston to Ontario

Southwest

Nonstop

from $297

Typical price: $270–600

7 weekly nonstop flights

HOU - ONT Every day

2567 weekly connecting flights

HOU - ONT Every day
United

Nonstop

from $272

Typical price: $255–570

7 weekly nonstop flights

IAH - ONT Every day

387 weekly connecting flights

IAH - ONT Every day
American

from $292

Typical price: $270–640

591 weekly connecting flights

HOU, IAH - ONT Every day
Frontier

Nonstop

from $133

Typical price: $150–335

7 weekly nonstop flights

IAH - ONT Every day

24 weekly connecting flights

IAH - ONT Every day
Delta

from $292

Typical price: $310–890

152 weekly connecting flights

HOU, IAH - ONT Every day
Alaska

from $397

Typical price: $340–790

25 weekly connecting flights

IAH - ONT Every day

Popular airports near Houston

George Bush Intercontinental Airport (IAH)

Houston United States 22 min 16 mi
William P. Hobby Airport (HOU)

Houston United States 22 min 9 mi
Dallas Fort Worth International Airport (DFW)

Dallas United States 3 hr 51 min 237 mi
Austin-Bergstrom International Airport (AUS)

Austin United States 2 hr 27 min 140 mi

Popular airports near Ontario

Ontario International Airport (ONT)

Ontario United States 11 min 2 mi
Los Angeles International Airport (LAX)

Los Angeles United States 1 hr 7 min 44 mi
Tijuana International Airport (TIJ)

Tijuana Mexico 2 hr 16 min 112 mi
San Diego International Airport (SAN)

San Diego United States 1 hr 50 min 95 mi

Frequently asked questions about flying from Houston to Ontario

The cheapest flights from Houston to Ontario are usually in May. Typical ticket prices in May range from $115 to $230.

The cheapest round-trip flight from Houston to Ontario recently found on Google Flights was with Frontier from $133. The cheapest one-way flight was with Frontier from $59.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from Houston to Ontario is $297, flying from May 28 to Jun 3.
The cheapest United flight from Houston to Ontario is $272, flying from May 28 to Jun 3.
The cheapest American flight from Houston to Ontario is $292, flying from May 28 to Jun 3.
The cheapest Frontier flight from Houston to Ontario is $133, flying from May 28 to Jun 3.
The cheapest Delta flight from Houston to Ontario is $292, flying from May 28 to Jun 3.
The cheapest Alaska flight from Houston to Ontario is $397, flying from Jun 1 to Jun 9.

The cheapest round-trip flight from Houston to Ontario starts at $133 from Thu, May 28 to Wed, Jun 3. The cheapest one-way flight starts at $59 and departs on Wed, Jun 3.

3 hr 10 min is the shortest flight time from Houston to Ontario.

Ontario is a year-round destination, with mild to warm weather for much of the year. Summers (Jun–Aug) tend to be hot, while winters (Dec–Feb) are typically mild. There is a slightly higher chance of rain Jan–Apr. The Road to California (Jan) is a quilt show featuring quilting competitions, classes and exhibits. The city celebrates Independence Day (Jul 4) with a parade, picnic and fireworks display. The Route 66 Cruisin' Reunion (Sep) attracts vintage cars from around the country.

It's easy to use Google Flights to find the cheapest days to fly from Houston to Ontario.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Houston to Ontario really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Houston to Ontario.

In terms of nonstop flights, Southwest is the most popular. Southwest offers 7 nonstop flights and 2,567 connecting flights per week. Southwest flies from William P. Hobby Airport (HOU) to Ontario International Airport (ONT) .

Other popular airlines flying from Houston to Ontario are:

United offers 7 nonstop flights and 387 connecting flights per week. United flies from George Bush Intercontinental Airport (IAH) to Ontario International Airport (ONT) .
American offers 591 connecting flights per week. American flies from William P. Hobby Airport (HOU) , George Bush Intercontinental Airport (IAH) to Ontario International Airport (ONT) .
Frontier offers 7 nonstop flights and 24 connecting flights per week. Frontier flies from George Bush Intercontinental Airport (IAH) to Ontario International Airport (ONT) .
Delta offers 152 connecting flights per week. Delta flies from William P. Hobby Airport (HOU) , George Bush Intercontinental Airport (IAH) to Ontario International Airport (ONT) .
Alaska offers 25 connecting flights per week. Alaska flies from George Bush Intercontinental Airport (IAH) to Ontario International Airport (ONT) .

The number of connecting flights refers to distinct flights with at least one stop between Houston and Ontario.

The cheapest round-trip flight from Houston to Ontario recently found on Google Flights was with Frontier from $133. The cheapest one-way flight was with Frontier from $59.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from Houston to Ontario is $297, flying from May 28 to Jun 3.
The cheapest United flight from Houston to Ontario is $272, flying from May 28 to Jun 3.
The cheapest American flight from Houston to Ontario is $292, flying from May 28 to Jun 3.
The cheapest Frontier flight from Houston to Ontario is $133, flying from May 28 to Jun 3.
The cheapest Delta flight from Houston to Ontario is $292, flying from May 28 to Jun 3.
The cheapest Alaska flight from Houston to Ontario is $397, flying from Jun 1 to Jun 9.

Southwest, Frontier and United fly direct from Houston to Ontario.

There are 7 Southwest direct flights from Houston to Ontario per week. Flights are available every day.
There are 7 United direct flights from Houston to Ontario per week. Flights are available every day.
There are 7 Frontier direct flights from Houston to Ontario per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Houston and Ontario at price $158 is offered by Frontier from Sat, May 9 to Mon, May 11.

Southwest, Frontier and United fly direct from Houston to Ontario.

There are 7 Southwest direct flights from Houston to Ontario per week. Flights are available every day.
There are 7 United direct flights from Houston to Ontario per week. Flights are available every day.
There are 7 Frontier direct flights from Houston to Ontario per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are direct flights from Houston to Ontario on a daily basis.

The cheapest direct (nonstop) round-trip flights between Houston and Ontario start at $133 from Thu, May 28 to Wed, Jun 3 with Frontier.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Houston to Ontario, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Houston and Ontario start at $361 from Thu, May 28 to Wed, Jun 3 with Frontier.

The cheapest economy class round-trip flights between Houston and Ontario start at $133 from Thu, May 28 to Wed, Jun 3.

To book business class trips from Houston to Ontario, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Houston and Ontario starts at $158 from Sat, May 9 to Mon, May 11 with Frontier.

The cheapest last-minute deal between Houston and Ontario at price $158 is offered by Frontier from Sat, May 9 to Mon, May 11.

To find last-minute flight deals from Houston to Ontario, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.