ONT

$64 Find Cheap Flights from Texas to Ontario - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Ontario departing on 8/30. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

Save 20% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals
Useful Info
Flight Deals

Cheap Flights from Texas to Ontario

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Texas to Ontario that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Texas to Ontario

Tue, Aug 18 - Sat, Aug 22
Frontier Logo
11:35 am - 11:50 pm
IAH
-
ONT
14h 15m
1 stop
Frontier Logo
10:59 am - 4:23 pm
ONT
-
IAH
3h 24mnonstop
$139Frontier
Mon, Aug 17 - Sat, Aug 22
Frontier Logo
10:09 pm - 10:04 am
IAH
-
ONT
13h 55m
1 stop
Frontier Logo
6:00 am - 12:40 am
ONT
-
IAH
16h 40m
1 stop
$139Frontier
Sat, Aug 15 - Wed, Aug 19
Southwest Logo
8:25 am - 9:35 am
HOU
-
ONT
3h 10mnonstop
Southwest Logo
12:30 pm - 5:35 pm
ONT
-
HOU
3h 05mnonstop
$205Southwest
Thu, Sep 24 - Mon, Sep 28
Southwest Logo
8:05 am - 9:15 am
HOU
-
ONT
3h 10mnonstop
Southwest Logo
2:00 pm - 12:20 am
ONT
-
HOU
8h 20m
1 stop
$215Southwest
Thu, Nov 5 - Thu, Nov 12
United Airlines Logo
7:40 am - 12:29 pm
IAH
-
ONT
6h 49m
1 stop
United Airlines Logo
1:35 pm - 12:23 am
ONT
-
IAH
8h 48m
1 stop
$225United Airlines
Wed, Nov 11 - Wed, Nov 18
American Airlines Logo
5:00 am - 9:40 am
IAH
-
ONT
6h 40m
1 stop
American Airlines Logo
9:29 am - 5:31 pm
ONT
-
IAH
6h 02m
1 stop
$225American Airlines
Sat, Aug 22 - Tue, Aug 25
American Airlines Logo
6:00 am - 9:34 am
IAH
-
ONT
5h 34m
1 stop
American Airlines Logo
6:00 am - 3:31 pm
ONT
-
IAH
7h 31m
1 stop
$225American Airlines
Wed, Aug 19 - Mon, Aug 24
Multiple Airlines Logo
5:38 pm - 7:01 pm
IAH
-
ONT
3h 23mnonstop
Multiple Airlines Logo
7:12 am - 1:31 pm
ONT
-
IAH
28h 19m
1 stop
$232Multiple Airlines
Sat, Aug 15 - Sat, Aug 22
Multiple Airlines Logo
7:35 am - 8:41 am
DFW
-
ONT
3h 06mnonstop
Multiple Airlines Logo
7:12 am - 4:43 pm
ONT
-
DFW
7h 31m
1 stop
$232Multiple Airlines
Sat, Oct 24 - Thu, Oct 29
United Airlines Logo
8:30 pm - 9:59 pm
IAH
-
ONT
3h 29mnonstop
United Airlines Logo
6:00 am - 11:10 am
ONT
-
IAH
3h 10mnonstop
$235United Airlines
Useful Info

Good to know

Low season

January

Cheapest flight

$64
Best time to beat the crowds with an average 7% drop in price.
Most popular time to fly with an average 3% increase in price.
Flight from Houston George Bush Airport to Ontario

Flights from Texas to Ontario: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Texas to Ontario 
Learn how KAYAK collects reviews and tips from users.
FraxysFlew with American Airlines
DFW
-
ONT
Feb 2026
Bring your own snacks or sandwich for dinner in the plane.
JoelFlew with American Airlines
DFW
-
ONT
May 2024
Dallas is a very spread out airport, jus make sure that you have enough time to transfer during layovers. Also all the restaurants close fairly early

FAQs for booking flights from Texas to Ontario

  • How does KAYAK find such low prices on flights from Texas to Ontario?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Texas to Ontario.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Texas to Ontario?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Texas is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Texas to Ontario?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Texas with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Texas to Ontario?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Texas up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Ontario

Information on the airport you'll fly into in Ontario

Ontario (ONT)