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

Tue, Dec 8 - Wed, Dec 9

7:00 am - 11:51 amIAH Houston George Bush Intcntl-ONT Ontario

6h 51m1 stop Las Vegas Harry Reid Intl

11:00 am - 9:00 pmONT Ontario-IAH Houston George Bush Intcntl

8h 00m1 stop Las Vegas Harry Reid Intl

$89Frontier

Tue, Dec 1 - Sat, Dec 5

12:57 pm - 6:11 pmIAH Houston George Bush Intcntl-ONT Ontario

7h 14m1 stop Las Vegas Harry Reid Intl

11:00 am - 9:00 pmONT Ontario-IAH Houston George Bush Intcntl

8h 00m1 stop Las Vegas Harry Reid Intl

$91Frontier

Wed, Dec 9 - Tue, Dec 15

9:30 am - 4:05 pmDFW Dallas/Fort Worth-ONT Ontario

8h 35m1 stop Seattle/Tacoma Intl

6:00 am - 1:21 pmONT Ontario-DFW Dallas/Fort Worth

5h 21m1 stop Denver Intl

$201Multiple Airlines

Thu, Nov 26 - Wed, Dec 2

7:15 am - 5:17 pmAUS Austin Bergstrom-ONT Ontario

12h 02m1 stop Portland

6:00 am - 5:48 pmONT Ontario-AUS Austin Bergstrom

9h 48m1 stop Denver Intl

$232Multiple Airlines

Sat, Dec 5 - Tue, Dec 8

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

3h 22mnonstop

7:00 am - 12:06 pmONT Ontario-DFW Dallas/Fort Worth

3h 06mnonstop

$235American Airlines

Sat, Feb 13 - Sat, Feb 20

8:19 pm - 9:59 pmIAH Houston George Bush Intcntl-ONT Ontario

3h 40mnonstop

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

3h 10mnonstop

$235United Airlines

Wed, Nov 25 - Fri, Nov 27

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

3h 35mnonstop

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

3h 10mnonstop

$235United Airlines

Wed, Dec 2 - Sat, Dec 5

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

3h 22mnonstop

6:00 am - 11:11 amONT Ontario-DFW Dallas/Fort Worth

3h 11mnonstop

$236American Airlines

Wed, Dec 2 - Sat, Dec 5

7:00 am - 12:10 pmDAL Dallas Love Field-ONT Ontario

7h 10m1 stop Phoenix Sky Harbor Intl

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

2h 50mnonstop

$245Southwest

Sat, Dec 5 - Tue, Dec 8

6:00 am - 9:50 amDAL Dallas Love Field-ONT Ontario

5h 50m1 stop Phoenix Sky Harbor Intl

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

2h 50mnonstop

$245Southwest

Recent last minute flight deals from Texas to Ontario

Tue, Nov 10 - Wed, Nov 18

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

3h 21mnonstop

5:07 pm - 5:18 amONT Ontario-DFW Dallas/Fort Worth

10h 11m1 stop Las Vegas Harry Reid Intl

$187Frontier

Tue, Nov 10 - Tue, Nov 17

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

3h 21mnonstop

5:07 pm - 1:09 pmONT Ontario-DFW Dallas/Fort Worth

18h 02m1 stop Las Vegas Harry Reid Intl

$191Frontier

Sat, Nov 7 - Mon, Nov 9

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

4h 39m1 stop Phoenix Sky Harbor Intl

9:29 am - 5:20 pmONT Ontario-AUS Austin Bergstrom

5h 51m1 stop Phoenix Sky Harbor Intl

$472American Airlines

Tue, Nov 10 - Mon, Nov 23

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

3h 05mnonstop

5:35 am - 12:55 pmONT Ontario-DAL Dallas Love Field

5h 20m1 stop Las Vegas Harry Reid Intl

$499Southwest

Mon, Nov 9 - Wed, Nov 11

10:48 am - 4:21 pmAUS Austin Bergstrom-ONT Ontario

31h 33m2 stops Knoxville McGhee Tyson Las Vegas Harry Reid Intl

11:52 am - 7:26 pmONT Ontario-AUS Austin Bergstrom

5h 34m1 stop Denver Intl

$500Multiple Airlines

Tue, Nov 10 - Mon, Nov 23

5:10 pm - 7:50 pmDAL Dallas Love Field-ONT Ontario

4h 40m1 stop Phoenix Sky Harbor Intl

5:35 am - 12:55 pmONT Ontario-DAL Dallas Love Field

5h 20m1 stop Las Vegas Harry Reid Intl

$504Southwest

Thu, Nov 5 - Wed, Nov 11

3:43 pm - 11:06 pmDFW Dallas/Fort Worth-ONT Ontario

9h 23m1 stop Seattle/Tacoma Intl

11:52 am - 7:14 pmONT Ontario-DFW Dallas/Fort Worth

5h 22m1 stop Denver Intl

$506Multiple Airlines

Fri, Nov 6 - Sun, Nov 8

2:33 pm - 6:10 pmAUS Austin Bergstrom-ONT Ontario

5h 37m1 stop Phoenix Sky Harbor Intl

4:25 pm - 11:59 pmONT Ontario-AUS Austin Bergstrom

5h 34m1 stop Phoenix Sky Harbor Intl

$511American 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

$529Delta

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

$539Delta

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 3% 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.