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.

$44 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.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Texas to Ontario

Mon, Dec 7 - Wed, Dec 16

12:52 pm - 11:51 amIAH Houston George Bush Intcntl-ONT Ontario

24h 59m1 stop Las Vegas Harry Reid Intl

11:00 am - 11:19 pmONT Ontario-IAH Houston George Bush Intcntl

10h 19m1 stop Las Vegas Harry Reid Intl

$95Frontier

Wed, Jan 20 - Wed, Jan 27

8:51 pm - 7:07 amIAH Houston George Bush Intcntl-ONT Ontario

12h 16m1 stop Las Vegas Harry Reid Intl

8:02 am - 7:56 pmONT Ontario-IAH Houston George Bush Intcntl

9h 54m1 stop Las Vegas Harry Reid Intl

$97Frontier

Tue, Jan 5 - Wed, Feb 3

6:19 pm - 8:05 amMFE McAllen Miller Intl-ONT Ontario

15h 46m1 stop Las Vegas Harry Reid Intl

8:02 am - 4:58 pmONT Ontario-MFE McAllen Miller Intl

6h 56m1 stop Las Vegas Harry Reid Intl

$190Multiple Airlines

Wed, Jan 20 - Sat, Feb 6

7:25 am - 3:33 pmIAH Houston George Bush Intcntl-ONT Ontario

10h 08m1 stop Seattle/Tacoma Intl

8:02 am - 7:56 pmONT Ontario-IAH Houston George Bush Intcntl

9h 54m1 stop Las Vegas Harry Reid Intl

$205Multiple Airlines

Wed, Jan 20 - Wed, Jan 27

8:34 pm - 10:15 pmIAH Houston George Bush Intcntl-ONT Ontario

3h 41mnonstop

6:00 am - 11:10 amONT Ontario-IAH Houston George Bush Intcntl

3h 10mnonstop

$235United Airlines

Mon, Dec 7 - Wed, Dec 16

8:24 pm - 9:59 pmIAH Houston George Bush Intcntl-ONT Ontario

3h 35mnonstop

5:45 am - 10:56 amONT Ontario-IAH Houston George Bush Intcntl

3h 11mnonstop

$235United Airlines

Sat, Dec 5 - Sat, Dec 12

8:20 am - 9:42 amDFW Dallas/Fort Worth-ONT Ontario

3h 22mnonstop

2:22 pm - 7:33 pmONT Ontario-DFW Dallas/Fort Worth

3h 11mnonstop

$246American Airlines

Sat, Dec 5 - Sat, Dec 12

8:20 am - 9:42 amDFW Dallas/Fort Worth-ONT Ontario

3h 22mnonstop

2:22 pm - 7:33 pmONT Ontario-DFW Dallas/Fort Worth

3h 11mnonstop

$247American Airlines

Wed, Dec 9 - Wed, Dec 16

9:40 am - 10:45 amDAL Dallas Love Field-ONT Ontario

3h 05mnonstop

1:35 pm - 6:25 pmONT Ontario-DAL Dallas Love Field

2h 50mnonstop

$255Southwest

Wed, Dec 9 - Sat, Dec 12

9:40 am - 10:45 amDAL Dallas Love Field-ONT Ontario

3h 05mnonstop

11:00 am - 3:50 pmONT Ontario-DAL Dallas Love Field

2h 50mnonstop

$255Southwest

Recent last minute flight deals from Texas to Ontario

Sat, Nov 14 - Wed, Nov 18

3:17 pm - 4:38 pmDFW Dallas/Fort Worth-ONT Ontario

3h 21mnonstop

5:33 pm - 10:47 pmONT Ontario-DFW Dallas/Fort Worth

3h 14mnonstop

$214Frontier

Wed, Nov 11 - Mon, Nov 16

3:17 pm - 4:38 pmDFW Dallas/Fort Worth-ONT Ontario

3h 21mnonstop

8:03 pm - 1:08 amONT Ontario-DFW Dallas/Fort Worth

3h 05mnonstop

$214Frontier

Thu, Nov 12 - Mon, Nov 16

8:28 am - 12:42 pmAUS Austin Bergstrom-ONT Ontario

6h 14m1 stop Phoenix Sky Harbor Intl

2:22 pm - 11:59 pmONT Ontario-AUS Austin Bergstrom

7h 37m1 stop Dallas/Fort Worth

$511American Airlines

Fri, Nov 13 - Mon, Nov 16

6:00 am - 8:39 amAUS Austin Bergstrom-ONT Ontario

4h 39m1 stop Phoenix Sky Harbor Intl

1:23 pm - 7:49 pmONT Ontario-AUS Austin Bergstrom

4h 26m1 stop Phoenix Sky Harbor Intl

$511American Airlines

Wed, Nov 11 - Sun, Nov 15

9:39 am - 6:17 pmDFW Dallas/Fort Worth-ONT Ontario

10h 38m1 stop Seattle/Tacoma Intl

11:52 am - 12:17 amONT Ontario-DFW Dallas/Fort Worth

10h 25m1 stop Denver Intl

$511Multiple Airlines

Wed, Nov 11 - Sun, Nov 15

9:39 am - 6:17 pmDFW Dallas/Fort Worth-ONT Ontario

10h 38m1 stop Seattle/Tacoma Intl

8:03 pm - 1:08 amONT Ontario-DFW Dallas/Fort Worth

3h 05mnonstop

$523Multiple Airlines

Wed, Nov 11 - Sat, Nov 14

5:15 pm - 9:40 pmMFE McAllen Miller Intl-ONT Ontario

6h 25m1 stop Houston George Bush Intcntl

6:00 am - 1:29 pmONT Ontario-MFE McAllen Miller Intl

5h 29m1 stop Houston George Bush Intcntl

$553United Airlines

Wed, Nov 11 - Sat, Nov 14

5:00 am - 12:33 pmMFE McAllen Miller Intl-ONT Ontario

9h 33m2 stops Houston George Bush Intcntl Denver Intl

6:00 am - 1:29 pmONT Ontario-MFE McAllen Miller Intl

5h 29m1 stop Houston George Bush Intcntl

$558United Airlines

Wed, Nov 11 - Sat, Nov 14

12:59 pm - 11:49 pmMFE McAllen Miller Intl-ONT Ontario

12h 50m2 stops Austin Bergstrom Salt Lake City

6:00 am - 6:29 pmONT Ontario-MFE McAllen Miller Intl

10h 29m2 stops Salt Lake City Austin Bergstrom

$563Delta

Wed, Nov 11 - Sat, Nov 14

12:59 pm - 11:49 pmMFE McAllen Miller Intl-ONT Ontario

12h 50m2 stops Austin Bergstrom Salt Lake City

6:00 am - 6:29 pmONT Ontario-MFE McAllen Miller Intl

10h 29m2 stops Salt Lake City Austin Bergstrom

$573Delta

Useful Info

Low season	January
High season	December
Cheapest flight	$44

Best time to beat the crowds with an average 9% drop in price.

Most popular time to fly with an average 1% increase in price.

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.