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.

$79 CHEAP FLIGHTS from Texas to Ontario

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Flight Deals

Cheap Flights from Texas to Ontario

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

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Texas to Ontario

Fri, Oct 2 - Sun, Oct 4

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

$148Frontier

Fri, Oct 2 - Sun, Oct 4

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

$148Frontier

Thu, Oct 8 - Thu, Oct 22

6:17 pm - 11:54 pmIAH Houston George Bush Intcntl-ONT Ontario

7h 37m1 stop Portland

3:38 pm - 12:26 amONT Ontario-IAH Houston George Bush Intcntl

6h 48m1 stop Las Vegas Harry Reid Intl

$208Multiple Airlines

Sat, Oct 24 - Fri, Oct 30

6:02 am - 1:16 pmIAH Houston George Bush Intcntl-ONT Ontario

9h 14m1 stop Seattle/Tacoma Intl

8:35 pm - 5:10 amONT Ontario-IAH Houston George Bush Intcntl

6h 35m1 stop Las Vegas Harry Reid Intl

$208Multiple Airlines

Wed, Nov 4 - Tue, Nov 10

8:35 pm - 10:00 pmHOU Houston Hobby-ONT Ontario

3h 25mnonstop

12:30 pm - 5:35 pmONT Ontario-HOU Houston Hobby

3h 05mnonstop

$235Southwest

Thu, Oct 22 - Tue, Nov 17

8:00 am - 9:25 amHOU Houston Hobby-ONT Ontario

3h 25mnonstop

12:30 pm - 5:35 pmONT Ontario-HOU Houston Hobby

3h 05mnonstop

$235Southwest

Wed, Oct 7 - Sat, Oct 10

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

Thu, Dec 24 - Tue, Jan 5

8:30 pm - 10:11 pmIAH Houston George Bush Intcntl-ONT Ontario

3h 41mnonstop

6:00 am - 11:14 amONT Ontario-IAH Houston George Bush Intcntl

3h 14mnonstop

$235United Airlines

Thu, Oct 1 - Mon, Oct 5

11:00 am - 6:07 pmHOU Houston Hobby-ONT Ontario

9h 07m1 stop Atlanta Hartsfield-Jackson

10:00 pm - 10:08 amONT Ontario-HOU Houston Hobby

10h 08m1 stop Atlanta Hartsfield-Jackson

$255Delta

Thu, Nov 12 - Tue, Nov 17

5:35 am - 11:08 amIAH Houston George Bush Intcntl-ONT Ontario

7h 33m1 stop Atlanta Hartsfield-Jackson

12:18 pm - 11:59 pmONT Ontario-IAH Houston George Bush Intcntl

9h 41m1 stop Atlanta Hartsfield-Jackson

$255Delta

Recent last minute flight deals from Texas to Ontario

Sun, Sep 13 - Tue, Sep 29

6:30 am - 11:22 amDFW Dallas/Fort Worth-ONT Ontario

6h 52m1 stop Las Vegas Harry Reid Intl

5:31 pm - 10:49 pmONT Ontario-DFW Dallas/Fort Worth

3h 18mnonstop

$234Frontier

Mon, Sep 14 - Fri, Oct 9

10:38 pm - 10:30 amIAH Houston George Bush Intcntl-ONT Ontario

13h 52m1 stop Denver Intl

8:35 pm - 7:06 pmONT Ontario-IAH Houston George Bush Intcntl

20h 31m1 stop Las Vegas Harry Reid Intl

$251Frontier

Sat, Sep 12 - Mon, Sep 14

5:52 pm - 9:51 amAUS Austin Bergstrom-ONT Ontario

17h 59m1 stop Portland

8:24 pm - 2:37 pmONT Ontario-AUS Austin Bergstrom

16h 13m1 stop Las Vegas Harry Reid Intl

$417Multiple Airlines

Thu, Sep 10 - Sun, Nov 8

7:00 am - 10:30 amDFW Dallas/Fort Worth-ONT Ontario

5h 30m1 stop Denver Intl

5:59 pm - 6:19 amONT Ontario-DFW Dallas/Fort Worth

10h 20m2 stops Portland Seattle/Tacoma Intl

$427Multiple Airlines

Sat, Sep 12 - Tue, Sep 15

8:00 am - 11:47 amAUS Austin Bergstrom-ONT Ontario

5h 47m1 stop Dallas/Fort Worth

12:37 pm - 10:36 pmONT Ontario-AUS Austin Bergstrom

7h 59m1 stop Dallas/Fort Worth

$433American Airlines

Sat, Sep 12 - Tue, Sep 22

6:05 am - 9:35 amHRL Harlingen Valley Intl-ONT Ontario

5h 30m1 stop Houston Hobby

8:30 am - 4:45 pmONT Ontario-HRL Harlingen Valley Intl

6h 15m1 stop Austin Bergstrom

$468Southwest

Sat, Sep 12 - Tue, Sep 22

11:30 am - 4:00 pmHRL Harlingen Valley Intl-ONT Ontario

6h 30m1 stop Dallas Love Field

8:35 am - 4:45 pmONT Ontario-HRL Harlingen Valley Intl

6h 10m2 stops Phoenix Sky Harbor Intl Austin Bergstrom

$473Southwest

Sat, Sep 12 - Mon, Sep 14

7:00 am - 11:47 amAUS Austin Bergstrom-ONT Ontario

6h 47m1 stop Dallas/Fort Worth

7:20 am - 2:24 pmONT Ontario-AUS Austin Bergstrom

5h 04m1 stop Dallas/Fort Worth

$495American Airlines

Sat, Sep 12 - Tue, Sep 22

5:18 pm - 9:59 pmHRL Harlingen Valley Intl-ONT Ontario

6h 41m1 stop Houston George Bush Intcntl

6:00 am - 1:24 pmONT Ontario-HRL Harlingen Valley Intl

5h 24m1 stop Houston George Bush Intcntl

$578United Airlines

Sun, Sep 13 - Tue, Oct 13

5:25 pm - 9:59 pmMFE McAllen Miller Intl-ONT Ontario

6h 34m1 stop Houston George Bush Intcntl

11:10 am - 8:53 amONT Ontario-MFE McAllen Miller Intl

19h 43m2 stops San Francisco Houston George Bush Intcntl

$591United Airlines

Useful Info

Low season	January
High season	November
Cheapest flight	$79

Best time to beat the crowds with an average 10% drop in price.

Most popular time to fly and prices are also 6% 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.