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.

$90 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

Wed, Nov 18 - Sun, Nov 22

6:00 am - 9:40 amIAH Houston George Bush Intcntl-ONT Ontario

5h 40m1 stop Las Vegas Harry Reid Intl

7:30 am - 12:44 pmONT Ontario-IAH Houston George Bush Intcntl

3h 14mnonstop

$180Frontier

Thu, Nov 19 - Mon, Nov 23

6:00 am - 11:16 amIAH Houston George Bush Intcntl-ONT Ontario

7h 16m1 stop Las Vegas Harry Reid Intl

7:30 am - 12:44 pmONT Ontario-IAH Houston George Bush Intcntl

3h 14mnonstop

$180Frontier

Tue, Nov 17 - Wed, Feb 10

8:21 pm - 11:51 pmAUS Austin Bergstrom-ONT Ontario

5h 30m1 stop Denver Intl

7:10 am - 4:42 pmONT Ontario-AUS Austin Bergstrom

7h 32m1 stop Portland

$216Multiple Airlines

Tue, Dec 8 - Sat, Dec 12

11:45 am - 12:50 pmAUS Austin Bergstrom-ONT Ontario

3h 05mnonstop

6:10 am - 10:55 amONT Ontario-AUS Austin Bergstrom

2h 45mnonstop

$239Southwest

Thu, Jan 21 - Tue, Jan 26

1:20 pm - 2:30 pmAUS Austin Bergstrom-ONT Ontario

3h 10mnonstop

7:50 am - 12:25 pmONT Ontario-AUS Austin Bergstrom

2h 35mnonstop

$239Southwest

Tue, Nov 17 - Mon, Nov 23

8:28 am - 12:38 pmAUS Austin Bergstrom-ONT Ontario

6h 10m1 stop Phoenix Sky Harbor Intl

7:00 am - 5:11 pmONT Ontario-AUS Austin Bergstrom

8h 11m1 stop Dallas/Fort Worth

$245American Airlines

Mon, Jan 11 - Sat, Jan 16

12:29 pm - 3:29 pmAUS Austin Bergstrom-ONT Ontario

5h 00m1 stop Phoenix Sky Harbor Intl

6:00 am - 3:04 pmONT Ontario-AUS Austin Bergstrom

7h 04m1 stop Dallas/Fort Worth

$245American Airlines

Tue, Nov 3 - Thu, Nov 5

6:02 am - 3:13 pmDFW Dallas/Fort Worth-ONT Ontario

11h 11m1 stop Seattle/Tacoma Intl

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

3h 05mnonstop

$248Multiple Airlines

Mon, Oct 26 - Thu, Oct 29

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

$273United Airlines

Wed, Nov 4 - Wed, Nov 11

12:40 pm - 8:15 pmIAH Houston George Bush Intcntl-ONT Ontario

9h 35m1 stop San Francisco

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

3h 10mnonstop

$283United Airlines

Recent last minute flight deals from Texas to Ontario

Sat, Oct 10 - Sat, Oct 31

8:21 pm - 10:29 amAUS Austin Bergstrom-ONT Ontario

16h 08m1 stop Denver Intl

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

5h 34m1 stop Denver Intl

$253Frontier

Sat, Oct 10 - Sat, Oct 10

5:20 am - 9:09 amDFW Dallas/Fort Worth-ONT Ontario

5h 49m1 stop Las Vegas Harry Reid Intl

11:52 am - 7:22 pmONT Ontario-DFW Dallas/Fort Worth

5h 30m1 stop Denver Intl

$269Frontier

Mon, Oct 12 - Fri, Oct 16

8:24 pm - 11:52 pmAUS Austin Bergstrom-ONT Ontario

5h 28m1 stop Dallas/Fort Worth

11:59 pm - 9:32 amONT Ontario-AUS Austin Bergstrom

7h 33m1 stop Dallas/Fort Worth

$417American Airlines

Sat, Oct 10 - Sat, Oct 31

1:12 pm - 4:30 pmAUS Austin Bergstrom-ONT Ontario

5h 18m1 stop Las Vegas Harry Reid Intl

10:00 am - 12:28 pmONT Ontario-AUS Austin Bergstrom

24h 28m2 stops Las Vegas Harry Reid Intl Provo

$420Multiple Airlines

Tue, Oct 13 - Sat, Oct 31

7:40 pm - 8:50 pmDAL Dallas Love Field-ONT Ontario

3h 10mnonstop

5:50 am - 10:45 amONT Ontario-DAL Dallas Love Field

2h 55mnonstop

$439Southwest

Tue, Oct 13 - Sat, Oct 31

4:45 pm - 9:45 pmDAL Dallas Love Field-ONT Ontario

7h 00m1 stop Denver Intl

5:50 am - 10:45 amONT Ontario-DAL Dallas Love Field

2h 55mnonstop

$449Southwest

Mon, Oct 12 - Thu, Oct 15

8:24 pm - 11:52 pmAUS Austin Bergstrom-ONT Ontario

5h 28m1 stop Dallas/Fort Worth

1:05 pm - 7:47 pmONT Ontario-AUS Austin Bergstrom

4h 42m1 stop Phoenix Sky Harbor Intl

$464American Airlines

Tue, Oct 13 - Sat, Oct 31

8:58 am - 3:22 pmDFW Dallas/Fort Worth-ONT Ontario

8h 24m2 stops Denver Intl San Francisco

1:35 pm - 11:59 pmONT Ontario-DFW Dallas/Fort Worth

8h 24m2 stops San Francisco Denver Intl

$470United Airlines

Sat, Oct 10 - Tue, Oct 20

6:03 am - 1:16 pmDFW Dallas/Fort Worth-ONT Ontario

9h 13m1 stop Seattle/Tacoma Intl

11:52 am - 7:22 pmONT Ontario-DFW Dallas/Fort Worth

5h 30m1 stop Denver Intl

$526Multiple Airlines

Sat, Oct 10 - Sat, Oct 31

7:00 am - 3:22 pmAUS Austin Bergstrom-ONT Ontario

10h 22m2 stops Houston George Bush Intcntl San Francisco

9:25 am - 8:58 pmONT Ontario-AUS Austin Bergstrom

9h 33m2 stops San Francisco Denver Intl

$538United Airlines

Useful Info

Low season	January
High season	October
Cheapest flight	$90

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

Most popular time to fly and prices are also 13% 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.