$68+ Cheap flights from Ontario (ONT) to Texas
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DFW
Aug 26 — Sep 21
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Ontario to Texas with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Texas
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ontario to TexasExplore the most affordable flight options available from Ontario to Texas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.
Explore the most affordable flight options available from Ontario to Texas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:47 pm
ONT
- IAH
Nonstop3h 23m
Frontier
Tue 11/176:30 am
IAH
- ONT
1 stop9h 10m
Frontier
Deal found 7/24![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:33 am
ONT
- IAH
Nonstop3h 20m
Frontier
Wed 9/96:25 am
IAH
- ONT
1 stop19h 22m
Frontier
Deal found 7/27![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:36 am
ONT
- IAH
Nonstop3h 20m
Frontier
Mon 8/176:14 pm
IAH
- ONT
1 stop7h 36m
Frontier
Deal found 7/24![Frontier logo]()
$164
This Frontier deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:33 am
ONT
- IAH
Nonstop3h 20m
Frontier
Sun 9/66:10 am
IAH
- ONT
Nonstop3h 22m
Frontier
Deal found 7/25![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:15 am
ONT
- IAH
1 stop10h 48m
Frontier
Mon 11/161:05 pm
IAH
- ONT
Nonstop3h 32m
Frontier
Deal found 7/24![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:00 am
ONT
- IAH
1 stop13h 19m
Frontier
Wed 8/2611:35 am
IAH
- ONT
1 stop14h 15m
Frontier
Deal found 7/26![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:15 am
ONT
- IAH
1 stop10h 48m
Frontier
Tue 11/176:30 am
IAH
- ONT
1 stop9h 10m
Frontier
Deal found 7/26![Frontier logo]()
$170
This Super.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:33 am
ONT
- IAH
Nonstop3h 20m
Frontier
Tue 8/255:38 pm
IAH
- ONT
Nonstop3h 23m
Frontier
Deal found 7/22![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/159:36 am
ONT
- IAH
Nonstop3h 20m
Frontier
Sat 8/156:14 pm
IAH
- ONT
1 stop7h 36m
Frontier
Deal found 7/24![Frontier logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:47 pm
ONT
- IAH
Nonstop3h 23m
Frontier
Sat 11/146:30 am
IAH
- ONT
1 stop9h 10m
Frontier
Deal found 7/26![Frontier logo]()
$174
This Frontier deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:36 am
ONT
- IAH
Nonstop3h 20m
Frontier
Mon 8/176:10 am
IAH
- ONT
Nonstop3h 22m
Frontier
Deal found 7/25![Frontier logo]()
$175
This Frontier deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:47 pm
ONT
- IAH
Nonstop3h 23m
Frontier
Thu 11/191:05 pm
IAH
- ONT
Nonstop3h 32m
Frontier
Deal found 7/24![Frontier logo]()
$176
Best flights from Ontario to TexasDiscover carefully curated flight deals from Ontario to Texas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.
Discover carefully curated flight deals from Ontario to Texas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:55 am
ONT
- HOU
Nonstop3h 05m
Southwest
Mon 9/78:05 am
HOU
- ONT
Nonstop3h 10m
Southwest
Deal found 7/22![Southwest logo]()
$205
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:00 am
ONT
- IAH
Nonstop3h 10m
United Airlines
Tue 11/105:20 pm
IAH
- ONT
1 stop7h 33m
United Airlines
Deal found 7/22![United Airlines logo]()
$215
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:43 am
ONT
- IAH
1 stop6h 19m
Delta
Wed 9/97:00 am
IAH
- ONT
2 stops11h 35m
Delta
Deal found 7/23![Delta logo]()
$230
This Booking.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:00 am
ONT
- ELP
1 stop6h 34m
Frontier
Mon 9/710:58 am
ELP
- ONT
1 stop11h 29m
Frontier
Deal found 7/22![Frontier logo]()
$256
This Alaska Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:14 pm
ONT
- AUS
1 stop22h 07m
Alaska Airlines
Mon 9/147:59 pm
AUS
- ONT
2 stops21h 48m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/32:27 pm
ONT
- BRO
1 stop7h 10m
American Airlines
Thu 9/102:47 pm
BRO
- ONT
1 stop6h 06m
American Airlines
Deal found 7/24![American Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:25 am
ONT
- HOU
2 stops10h 30m
Southwest
Sat 9/510:40 am
HOU
- ONT
1 stop7h 20m
Southwest
Deal found 7/22![Southwest logo]()
$230
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:00 pm
ONT
- IAH
1 stop8h 37m
Delta
Wed 8/193:15 pm
IAH
- ONT
2 stops10h 19m
Delta
Deal found 7/22![Delta logo]()
$232
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:52 am
ONT
- IAH
1 stop6h 14m
Delta
Mon 10/57:06 pm
IAH
- ONT
1 stop6h 41m
Delta
Deal found 7/24![Delta logo]()
$235
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:00 am
ONT
- HOU
Nonstop3h 05m
Southwest
Mon 9/148:05 am
HOU
- ONT
Nonstop3h 10m
Southwest
Deal found 7/27![Southwest logo]()
$235
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/221:56 pm
ONT
- DFW
2 stops8h 03m
United Airlines
Sat 8/291:48 pm
DFW
- ONT
2 stops8h 13m
United Airlines
Deal found 7/23![United Airlines logo]()
$286
This Frontier deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:49 am
ONT
- ELP
1 stop5h 24m
Frontier
Sat 8/156:08 pm
ELP
- ONT
1 stop6h 42m
Frontier
Deal found 7/22![Frontier logo]()
$288
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:00 pm
ONT
- IAH
1 stop9h 52m
Delta
Tue 8/254:14 pm
IAH
- ONT
2 stops9h 20m
Delta
Deal found 7/24![Delta logo]()
$240
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:45 pm
ONT
- HOU
1 stop5h 30m
Southwest
Thu 8/208:05 am
HOU
- ONT
Nonstop3h 10m
Southwest
Deal found 7/27![Southwest logo]()
$245
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/191:18 pm
ONT
- AUS
2 stops7h 56m
United Airlines
Wed 8/2612:55 pm
AUS
- ONT
2 stops9h 06m
United Airlines
Deal found 7/22![United Airlines logo]()
$308
This Delta deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:24 pm
ONT
- IAH
1 stop6h 34m
Delta
Wed 12/167:41 pm
IAH
- ONT
1 stop6h 17m
Delta
Deal found 7/26![Delta logo]()
$255
This Southwest deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:25 pm
ONT
- DAL
Nonstop2h 55m
Southwest
Wed 10/147:40 pm
DAL
- ONT
Nonstop3h 05m
Southwest
Deal found 7/25![Southwest logo]()
$255
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:27 pm
ONT
- LBB
1 stop6h 13m
American Airlines
Mon 8/244:38 pm
LBB
- ONT
1 stop8h 21m
American Airlines
Deal found 7/22![American Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:04 pm
ONT
- IAH
1 stop6h 53m
Delta
Wed 9/167:06 pm
IAH
- ONT
1 stop6h 41m
Delta
Deal found 7/25![Delta logo]()
$255
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/57:50 am
ONT
- DAL
1 stop4h 50m
Southwest
Thu 1/711:55 am
DAL
- ONT
Nonstop3h 15m
Southwest
Deal found 7/22![Southwest logo]()
$265
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:56 pm
ONT
- DFW
1 stop6h 33m
United Airlines
Thu 9/35:45 am
DFW
- ONT
2 stops8h 27m
United Airlines
Deal found 7/25![United Airlines logo]()
$325
This Southwest deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/39:25 am
ONT
- DAL
1 stop6h 15m
Southwest
Mon 10/57:50 pm
DAL
- ONT
Nonstop3h 05m
Southwest
Deal found 7/26![Southwest logo]()
$265
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:00 am
ONT
- IAH
Nonstop3h 10m
United Airlines
Wed 12/98:00 pm
IAH
- ONT
Nonstop3h 21m
United Airlines
Deal found 7/23![United Airlines logo]()
$325
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:04 pm
ONT
- DFW
1 stop5h 56m
Delta
Mon 9/141:44 pm
DFW
- ONT
2 stops12h 03m
Delta
Deal found 7/27![Delta logo]()
$280
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:30 am
ONT
- AUS
Nonstop2h 50m
Southwest
Wed 8/2610:50 am
AUS
- ONT
Nonstop3h 00m
Southwest
Deal found 7/22![Southwest logo]()
$267
This United Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 am
ONT
- IAH
Nonstop3h 15m
United Airlines
Mon 10/198:30 pm
IAH
- ONT
Nonstop3h 29m
United Airlines
Deal found 7/26![United Airlines logo]()
$325
This Delta deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:00 am
ONT
- DFW
1 stop5h 30m
Delta
Wed 8/264:15 pm
DFW
- ONT
2 stops9h 19m
Delta
Deal found 7/26![Delta logo]()
$280
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/612:40 pm
ONT
- HOU
Nonstop3h 00m
Southwest
Sat 11/148:45 am
HOU
- ONT
Nonstop3h 30m
Southwest
Deal found 7/23![Southwest logo]()
$272
This Southwest deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/244:50 pm
ONT
- DAL
1 stop4h 40m
Southwest
Thu 8/279:20 am
DAL
- ONT
1 stop6h 05m
Southwest
Deal found 7/25![Southwest logo]()
$275
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:13 pm
ONT
- DFW
1 stop8h 45m
United Airlines
Sat 9/195:45 am
DFW
- ONT
2 stops8h 27m
United Airlines
Deal found 7/25![United Airlines logo]()
$370
Last-minute flights from Ontario to TexasDiscover last-minute flight deals from Ontario to Texas. Data last updated July 27, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Texas. Data last updated July 27, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:36 am
ONT
- IAH
Nonstop3h 20m
Frontier
Mon 8/176:10 am
IAH
- ONT
Nonstop3h 22m
Frontier
Deal found 7/25![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1310:49 am
ONT
- IAH
1 stop11h 51m
Frontier
Tue 8/187:55 pm
IAH
- ONT
2 stops16h 09m
Frontier
Deal found 7/24![Frontier logo]()
$189
This Super.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:36 am
ONT
- IAH
Nonstop3h 20m
Frontier
Sun 8/166:10 am
IAH
- ONT
Nonstop3h 22m
Frontier
Deal found 7/22![Frontier logo]()
$192
This Frontier deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/149:36 am
ONT
- IAH
Nonstop3h 20m
Frontier
Mon 8/176:10 am
IAH
- ONT
Nonstop3h 22m
Frontier
Deal found 7/23![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/159:36 am
ONT
- IAH
Nonstop3h 20m
Frontier
Sat 8/156:14 pm
IAH
- ONT
1 stop7h 36m
Frontier
Deal found 7/24![Frontier logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/159:36 am
ONT
- IAH
Nonstop3h 20m
Frontier
Tue 8/187:55 pm
IAH
- ONT
2 stops20h 08m
Frontier
Deal found 7/24![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:00 am
ONT
- ELP
1 stop10h 13m
Frontier
Tue 8/252:29 pm
ELP
- ONT
1 stop10h 21m
Frontier
Deal found 7/22![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:36 am
ONT
- IAH
Nonstop3h 20m
Frontier
Mon 8/176:14 pm
IAH
- ONT
1 stop7h 36m
Frontier
Deal found 7/24![Frontier logo]()
$164
This Super.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:33 am
ONT
- IAH
Nonstop3h 20m
Frontier
Tue 8/255:38 pm
IAH
- ONT
Nonstop3h 23m
Frontier
Deal found 7/22![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:59 am
ONT
- IAH
Nonstop3h 24m
Frontier
Tue 8/257:55 pm
IAH
- ONT
2 stops16h 09m
Frontier
Deal found 7/24![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:00 am
ONT
- IAH
1 stop13h 19m
Frontier
Wed 8/2611:35 am
IAH
- ONT
1 stop14h 15m
Frontier
Deal found 7/26![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:49 am
ONT
- IAH
1 stop8h 30m
Frontier
Mon 8/3111:35 am
IAH
- ONT
1 stop14h 15m
Frontier
Deal found 7/25![Frontier logo]()
$188
One-way flights from Ontario to TexasSearch for one-way flight options from Ontario to Texas. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
Search for one-way flight options from Ontario to Texas. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:00 am
ONT
- AUS
1 stop12h 32m
Frontier
Deal found 7/24![Frontier logo]()
$68
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:15 am
ONT
- AUS
1 stop15h 44m
Frontier
Deal found 7/25![Frontier logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:45 am
ONT
- IAH
1 stop7h 55m
Frontier
Deal found 7/27![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:55 pm
ONT
- AUS
1 stop7h 04m
Frontier
Deal found 7/22![Frontier logo]()
$81
This Trip.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 am
ONT
- AUS
1 stop11h 21m
Frontier
Deal found 7/22![Frontier logo]()
$82
This Trip.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am
ONT
- AUS
1 stop15h 41m
Frontier
Deal found 7/22![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:00 am
ONT
- AUS
1 stop16h 07m
Frontier
Deal found 7/22![Frontier logo]()
$85
This Trip.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/92:55 pm
ONT
- AUS
1 stop7h 04m
Frontier
Deal found 7/22![Frontier logo]()
$87
This Trip.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:00 am
ONT
- AUS
1 stop11h 30m
Frontier
Deal found 7/24![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:56 pm
ONT
- AUS
1 stop21h 34m
Frontier
Deal found 7/23![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:38 am
ONT
- AUS
1 stop10h 21m
Frontier
Deal found 7/24![Frontier logo]()
$92
This Trip.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/32:35 pm
ONT
- AUS
1 stop7h 24m
Frontier
Deal found 7/23![Frontier logo]()
$93
Find flight deals from Ontario to Texas
Keep the following information in mind while searching for Ontario to Texas flight deals. Data was last updated July 27, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $162 (Kiwi.com) |
One-way from | $68 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $380 |
Good round-trip deal | $274 or less |
Good one-way deal | $183 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Texas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 27, 2026.
Use the filters below to find and compare flights from Ontario to Texas that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioHouston
ONT - HOU
ONTHOU
Ontario
Sat 9/5
11:55 am-5:00 pm
Nonstop3h 05m
Houston Hobby
Mon 9/7
8:05 am-9:15 am
Nonstop3h 10m
$205
OntarioHouston
ONT - IAH
ONTIAH
Ontario
Tue 11/3
6:00 am-11:10 am
Nonstop3h 10m
Houston George Bush Intcntl
Tue 11/10
5:20 pm-10:53 pm
1 stop7h 33m
$215
OntarioHouston
ONT - IAH
ONTIAH
Ontario
Wed 8/26
9:43 am-6:02 pm
1 stop6h 19m
Houston George Bush Intcntl
Wed 9/9
7:00 am-4:35 pm
2 stops11h 35m
$230
OntarioHouston
ONT - HOU
ONTHOU
Ontario
Wed 9/2
7:25 am-7:55 pm
2 stops10h 30m
Houston Hobby
Sat 9/5
10:40 am-4:00 pm
1 stop7h 20m
$230
OntarioHouston
ONT - IAH
ONTIAH
Ontario
Mon 8/17
10:00 pm-8:37 am
1 stop8h 37m
Houston George Bush Intcntl
Wed 8/19
3:15 pm-11:34 pm
2 stops10h 19m
$232
OntarioHouston
ONT - IAH
ONTIAH
Ontario
Mon 9/28
9:52 am-6:06 pm
1 stop6h 14m
Houston George Bush Intcntl
Mon 10/5
7:06 pm-11:47 pm
1 stop6h 41m
$235
OntarioHouston
ONT - HOU
ONTHOU
Ontario
Thu 9/10
11:00 am-4:05 pm
Nonstop3h 05m
Houston Hobby
Mon 9/14
8:05 am-9:15 am
Nonstop3h 10m
$235
OntarioHouston
ONT - IAH
ONTIAH
Ontario
Sat 8/22
12:00 pm-11:52 pm
1 stop9h 52m
Houston George Bush Intcntl
Tue 8/25
4:14 pm-11:34 pm
2 stops9h 20m
$240
OntarioHouston
ONT - HOU
ONTHOU
Ontario
Mon 8/17
5:45 pm-1:15 am
1 stop5h 30m
Houston Hobby
Thu 8/20
8:05 am-9:15 am
Nonstop3h 10m
$245
OntarioHouston
ONT - IAH
ONTIAH
Ontario
Sat 11/7
1:24 pm-9:58 pm
1 stop6h 34m
Houston George Bush Intcntl
Wed 12/16
7:41 pm-11:58 pm
1 stop6h 17m
$255
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to Texas
Have a flexible travel schedule? Discover the best time to fly to Texas from Ontario with our price prediction graph.
ONT-IAH
ONT-ELP
ONT-AUS
ONT-HOU
ONT-DFW
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Texas
ONT-USTX
ONT-IAH
ONT-ELP
ONT-AUS
ONT-HOU
What is the cheapest month to book a flight from Ontario to Texas?
Currently, October is the cheapest month in which you can book a flight from Ontario to Texas (average of $260). Flying from Ontario to Texas in June is currently the most expensive (average of $404). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ONT to TX?
Find hourly flight availability from Ontario to Texas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 27, 2026.
A simple way to save on the total cost of your ticket is to fly from Ontario to Texas in the afternoon. If you’re flexible enough to do this you can expect to save up to 28% on your trip compared to booking a flight in the morning.
Weekly flight availability from Ontario to Texas
Explore weekly flight availability from Ontario to Texas. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 27, 2026.
The most flights from ONT to USTX are scheduled on a Friday (25 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (18 on average).
How much does it cost to fly round-trip from Ontario to Texas?
Airfare is typical for this route at the moment.
Ontario to Texas flights typically cost between $199 and $336 in September.The cheapest round-trip price found within the last 5 days was $244 on Frontier (Sep 8-Sep 8).
How far ahead should I book a flight from Ontario to Texas?
The best time to book flights from Ontario to Texas is 61 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from Ontario to Texas?
Use this chart to determine the cheapest time to fly round-trip from Ontario to Texas. Price data was last updated on July 18, 2026.
Travelers seeking maximum savings on their Ontario to Texas flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Texas
Get insights into the airlines that provide service to Texas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Texas. Reviews last updated July 27, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Ontario to Texas by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Related info for your journey
Find useful and relevant information for your journey from Ontario to Texas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Ontario to Texas
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Texas by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Texas by cabin class
Find flights from Ontario to Texas, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Texas flights
Browse other Ontario and Texas flight options. Last updated on July 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Ontario to Texas flights
Consider these flights traveling from Ontario to Texas.
Top 7 airlines flying from Ontario to Texas
Discover the top 7 airlines that operate flights from Ontario to Texas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$89 | Average$264 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$138 | Average$371 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$148 | Average$410 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$169 | Average$407 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$177 | Average$353 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$186 | Average$395 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$300 | Average$533 | FlexibilityNo cancel fee | On-time75% |