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.

$72 CHEAP FLIGHTS from Texas to Ontario

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Cheap Flights from Texas to Ontario

Discover the best prices for you by selecting your travel dates on KAYAK.

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One-way

Last minute

Direct

Recent round-trip flight deals from Texas to Ontario

Thu, Sep 17 - Mon, Sep 21

4:20 pm - 5:48 pmIAH Houston George Bush Intcntl-ONT Ontario

3h 28mnonstop

6:45 pm - 11:58 pmONT Ontario-IAH Houston George Bush Intcntl

3h 13mnonstop

$146Frontier

Thu, Oct 1 - Mon, Oct 5

4:20 pm - 5:48 pmIAH Houston George Bush Intcntl-ONT Ontario

3h 28mnonstop

6:45 pm - 11:58 pmONT Ontario-IAH Houston George Bush Intcntl

3h 13mnonstop

$146Frontier

Mon, Sep 21 - Sat, Sep 26

8:30 pm - 9:59 pmIAH Houston George Bush Intcntl-ONT Ontario

3h 29mnonstop

6:00 am - 11:15 amONT Ontario-IAH Houston George Bush Intcntl

3h 15mnonstop

$235United Airlines

Wed, Feb 10 - Sat, Feb 13

9:05 am - 10:40 amHOU Houston Hobby-ONT Ontario

3h 35mnonstop

1:20 pm - 6:20 pmONT Ontario-HOU Houston Hobby

3h 00mnonstop

$235Southwest

Thu, Oct 29 - Sat, Oct 31

8:05 pm - 9:40 pmIAH Houston George Bush Intcntl-ONT Ontario

3h 35mnonstop

9:25 am - 8:22 pmONT Ontario-IAH Houston George Bush Intcntl

8h 57m1 stop San Francisco

$245United Airlines

Wed, Feb 10 - Sat, Feb 13

9:05 am - 10:40 amHOU Houston Hobby-ONT Ontario

3h 35mnonstop

12:55 pm - 8:35 pmONT Ontario-HOU Houston Hobby

5h 40m1 stop Las Vegas Harry Reid Intl

$245Southwest

Tue, Oct 20 - Sat, Oct 24

7:27 pm - 11:55 pmIAH Houston George Bush Intcntl-ONT Ontario

6h 28m1 stop Salt Lake City

7:07 am - 5:09 pmONT Ontario-IAH Houston George Bush Intcntl

8h 02m1 stop Atlanta Hartsfield-Jackson

$255Delta

Tue, Dec 1 - Tue, Dec 15

7:37 pm - 11:58 pmIAH Houston George Bush Intcntl-ONT Ontario

6h 21m1 stop Salt Lake City

12:20 pm - 12:03 amONT Ontario-IAH Houston George Bush Intcntl

9h 43m1 stop Atlanta Hartsfield-Jackson

$255Delta

Sat, Sep 19 - Sat, Sep 26

3:30 pm - 4:46 pmDFW Dallas/Fort Worth-ONT Ontario

3h 16mnonstop

7:12 am - 4:41 pmONT Ontario-DFW Dallas/Fort Worth

7h 29m1 stop Portland

$283Multiple Airlines

Sat, Sep 19 - Sat, Sep 26

3:30 pm - 4:46 pmDFW Dallas/Fort Worth-ONT Ontario

3h 16mnonstop

3:14 pm - 11:59 amONT Ontario-DFW Dallas/Fort Worth

18h 45m1 stop Seattle/Tacoma Intl

$288Multiple Airlines

Recent last minute flight deals from Texas to Ontario

Sat, Sep 5 - Wed, Sep 9

7:30 am - 8:36 amDFW Dallas/Fort Worth-ONT Ontario

3h 06mnonstop

7:11 pm - 12:19 amONT Ontario-DFW Dallas/Fort Worth

3h 08mnonstop

$249Frontier

Sat, Sep 5 - Sun, Sep 6

7:30 am - 8:36 amDFW Dallas/Fort Worth-ONT Ontario

3h 06mnonstop

8:17 am - 1:31 pmONT Ontario-DFW Dallas/Fort Worth

3h 14mnonstop

$263Frontier

Sat, Sep 5 - Wed, Sep 9

6:50 am - 12:16 pmSAT San Antonio-ONT Ontario

7h 26m1 stop Salt Lake City

6:00 am - 1:40 pmONT Ontario-SAT San Antonio

5h 40m1 stop Salt Lake City

$355Delta

Sat, Sep 5 - Wed, Sep 9

6:50 am - 12:16 pmSAT San Antonio-ONT Ontario

7h 26m1 stop Salt Lake City

6:00 am - 1:40 pmONT Ontario-SAT San Antonio

5h 40m1 stop Salt Lake City

$407Delta

Sat, Sep 5 - Sun, Sep 6

2:55 pm - 4:00 pmDAL Dallas Love Field-ONT Ontario

3h 05mnonstop

10:45 am - 3:40 pmONT Ontario-DAL Dallas Love Field

2h 55mnonstop

$421Southwest

Sat, Sep 5 - Sun, Sep 6

2:55 pm - 4:00 pmDAL Dallas Love Field-ONT Ontario

3h 05mnonstop

10:45 am - 3:40 pmONT Ontario-DAL Dallas Love Field

2h 55mnonstop

$421Southwest

Sat, Sep 5 - Sun, Sep 6

3:30 pm - 8:01 pmDFW Dallas/Fort Worth-ONT Ontario

6h 31m1 stop San Francisco

6:08 am - 4:49 pmONT Ontario-DFW Dallas/Fort Worth

8h 41m2 stops San Francisco Denver Intl

$442United Airlines

Sat, Sep 5 - Sun, Sep 6

3:30 pm - 8:01 pmDFW Dallas/Fort Worth-ONT Ontario

6h 31m1 stop San Francisco

5:00 am - 4:05 pmONT Ontario-DFW Dallas/Fort Worth

9h 05m2 stops Denver Intl Houston George Bush Intcntl

$442United Airlines

Fri, Sep 4 - Sun, Sep 6

7:32 am - 8:38 amDFW Dallas/Fort Worth-ONT Ontario

3h 06mnonstop

6:02 am - 6:35 pmONT Ontario-DFW Dallas/Fort Worth

10h 33m1 stop Seattle/Tacoma Intl

$446Multiple Airlines

Wed, Sep 2 - Mon, Sep 7

6:15 am - 10:04 amAUS Austin Bergstrom-ONT Ontario

5h 49m1 stop Denver Intl

7:12 am - 4:49 pmONT Ontario-AUS Austin Bergstrom

7h 37m1 stop Portland

$582Multiple Airlines

Useful Info

Low season	January
High season	October
Cheapest flight	$72

Best time to beat the crowds with an average 11% drop in price.

Most popular time to fly and prices are also 20% lower on average.

Flight from Houston George Bush Airport to Ontario

RicardoFlew with American Airlines-Aug 2026

Enjoy the Dallas airport with its variety of restaurants and stores if you have to wait for long layovers.

FraxysFlew with American Airlines-Feb 2026

Bring your own snacks or sandwich for dinner in the plane.

JoelFlew with American Airlines-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

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

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Return flight deals

Information on the airport you'll fly into in Ontario

Ontario (ONT)

ONT

$72 Find Cheap Flights from Texas to Ontario - Compare and Save

Cheap Flights from Texas to Ontario

Recent round-trip flight deals from Texas to Ontario

Recent one-way flight deals from Texas to Ontario

Recent last minute flight deals from Texas to Ontario

Recent direct flight deals from Texas to Ontario

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High season

Cheapest flight

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

FAQs for booking flights from Texas to Ontario

Everything you need to know for your flight to Ontario

Information on the airport you'll fly into in Ontario

Cabin class types available on flights to Texas

Complete your trip to Ontario with a hotel stay or car rental

Find direct flights for Ontario

Flights to other popular destinations

Flights from domestic origins to Ontario

Choose which airport to fly into in Ontario

Find deals for your return flight