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.

$48 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 - Wed, Dec 2

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

5h 40m1 stop Las Vegas Harry Reid Intl

2:00 pm - 11:25 pmONT Ontario-IAH Houston George Bush Intcntl

7h 25m1 stop Las Vegas Harry Reid Intl

$95Frontier

Tue, Dec 1 - Tue, Dec 8

7:00 am - 6:11 pmIAH Houston George Bush Intcntl-ONT Ontario

13h 11m1 stop Las Vegas Harry Reid Intl

11:23 am - 11:19 pmONT Ontario-IAH Houston George Bush Intcntl

9h 56m1 stop Las Vegas Harry Reid Intl

$95Frontier

Thu, Dec 3 - Wed, Dec 9

6:10 pm - 11:54 pmIAH Houston George Bush Intcntl-ONT Ontario

7h 44m1 stop Portland

2:53 pm - 11:19 pmONT Ontario-IAH Houston George Bush Intcntl

6h 26m1 stop Las Vegas Harry Reid Intl

$167Multiple Airlines

Tue, Dec 8 - Tue, Dec 8

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

6h 51m1 stop Las Vegas Harry Reid Intl

6:01 pm - 1:42 pmONT Ontario-IAH Houston George Bush Intcntl

17h 41m1 stop Portland

$173Multiple Airlines

Wed, Dec 9 - 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

$195United Airlines

Wed, Nov 18 - Sat, Dec 5

8:35 pm - 10:05 pmHOU Houston Hobby-ONT Ontario

3h 30mnonstop

12:00 pm - 5:00 pmONT Ontario-HOU Houston Hobby

3h 00mnonstop

$195Southwest

Mon, Dec 7 - Tue, Dec 8

8:35 pm - 10:05 pmHOU Houston Hobby-ONT Ontario

3h 30mnonstop

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

3h 05mnonstop

$195Southwest

Sat, Dec 5 - Sat, Dec 12

6:00 am - 9:42 amIAH Houston George Bush Intcntl-ONT Ontario

5h 42m1 stop Dallas/Fort Worth

6:30 am - 1:31 pmONT Ontario-IAH Houston George Bush Intcntl

5h 01m1 stop Phoenix Sky Harbor Intl

$215American Airlines

Wed, Nov 18 - Sat, Dec 5

6:37 am - 12:38 pmIAH Houston George Bush Intcntl-ONT Ontario

8h 01m1 stop Phoenix Sky Harbor Intl

6:30 am - 1:31 pmONT Ontario-IAH Houston George Bush Intcntl

5h 01m1 stop Phoenix Sky Harbor Intl

$215American Airlines

Fri, Dec 11 - Mon, Dec 14

2:45 pm - 8:38 pmIAH Houston George Bush Intcntl-ONT Ontario

7h 53m1 stop San Francisco

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

3h 11mnonstop

$225United Airlines

Recent last minute flight deals from Texas to Ontario

Sat, Oct 31 - Wed, Nov 4

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

5h 30m1 stop Denver Intl

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

5h 34m1 stop Denver Intl

$167Frontier

Wed, Nov 4 - Sat, Nov 14

2:39 pm - 11:51 pmDFW Dallas/Fort Worth-ONT Ontario

11h 12m1 stop Denver Intl

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

3h 14mnonstop

$202Frontier

Sat, Oct 31 - Wed, Nov 4

6:00 am - 9:35 amAUS Austin Bergstrom-ONT Ontario

5h 35m1 stop Dallas/Fort Worth

6:30 am - 1:25 pmONT Ontario-AUS Austin Bergstrom

4h 55m1 stop Phoenix Sky Harbor Intl

$433American Airlines

Tue, Nov 3 - Thu, Nov 26

12:34 pm - 4:23 pmDFW Dallas/Fort Worth-ONT Ontario

5h 49m1 stop Salt Lake City

1:15 pm - 9:19 pmONT Ontario-DFW Dallas/Fort Worth

6h 04m1 stop Salt Lake City

$452Delta

Sat, Oct 31 - Thu, Nov 26

8:10 am - 12:36 pmDFW Dallas/Fort Worth-ONT Ontario

6h 26m1 stop Salt Lake City

6:00 am - 1:36 pmONT Ontario-DFW Dallas/Fort Worth

5h 36m1 stop Salt Lake City

$452Delta

Tue, Nov 3 - Sat, Nov 7

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

5h 30m1 stop Denver Intl

6:30 am - 6:48 pmONT Ontario-AUS Austin Bergstrom

10h 18m2 stops Denver Intl Minneapolis St Paul

$467Multiple Airlines

Sat, Oct 31 - Wed, Nov 4

10:23 am - 3:16 pmAUS Austin Bergstrom-ONT Ontario

6h 53m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

6:00 am - 2:16 pmONT Ontario-AUS Austin Bergstrom

6h 16m1 stop Dallas/Fort Worth

$478American Airlines

Thu, Nov 5 - Thu, Nov 12

6:40 am - 10:35 amIAH Houston George Bush Intcntl-ONT Ontario

5h 55m1 stop Denver Intl

5:59 pm - 1:24 pmONT Ontario-IAH Houston George Bush Intcntl

17h 25m1 stop Portland

$541Multiple Airlines

Wed, Nov 4 - Sat, Nov 7

5:25 pm - 9:40 pmHRL Harlingen Valley Intl-ONT Ontario

6h 15m1 stop Houston George Bush Intcntl

6:00 am - 1:21 pmONT Ontario-HRL Harlingen Valley Intl

5h 21m1 stop Houston George Bush Intcntl

$609United Airlines

Wed, Nov 4 - Sat, Nov 7

5:05 am - 3:33 pmHRL Harlingen Valley Intl-ONT Ontario

12h 28m2 stops Houston George Bush Intcntl San Francisco

6:00 am - 1:21 pmONT Ontario-HRL Harlingen Valley Intl

5h 21m1 stop Houston George Bush Intcntl

$614United Airlines

Useful Info

Low season	January
High season	November
Cheapest flight	$48

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

Most popular time to fly and prices are also 5% 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.