$49+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DFW
May 28 — Jun 41
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Texas with Cheapflights
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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 April 28, 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 April 28, 2026.
This Expedia deal was found by Cheapflights users on 4/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/164:04 pm
ONT
- ELP
1 stop26h 10m
Frontier
Mon 5/188:09 pm
ELP
- ONT
1 stop20h 35m
Frontier
Deal found 4/24![Frontier logo]()
$140
This CheapOair deal was found by Cheapflights users on 4/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/144:04 pm
ONT
- IAH
1 stop18h 29m
Frontier
Tue 5/196:00 am
IAH
- ONT
Nonstop3h 35m
Frontier
Deal found 4/23![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Tue 5/56:00 am
ONT
- IAH
1 stop16h 44m
Frontier
Mon 5/116:00 am
IAH
- ONT
Nonstop3h 35m
Frontier
Deal found 4/27![Frontier logo]()
$151
This Frontier deal was found by Cheapflights users on 4/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/175:43 pm
ONT
- IAH
Nonstop3h 25m
Frontier
Wed 7/14:21 pm
IAH
- ONT
Nonstop3h 31m
Frontier
Deal found 4/27![Frontier logo]()
$152
This Frontier deal was found by Cheapflights users on 4/25. 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.
Sat 5/165:59 pm
ONT
- IAH
Nonstop3h 20m
Frontier
Wed 5/276:00 am
IAH
- ONT
Nonstop3h 35m
Frontier
Deal found 4/25![Frontier logo]()
$153
This Frontier deal was found by Cheapflights users on 4/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3010:50 am
ONT
- IAH
1 stop11h 54m
Frontier
Mon 6/15:30 am
IAH
- ONT
Nonstop3h 38m
Frontier
Deal found 4/27![Frontier logo]()
$154
This Frontier deal was found by Cheapflights users on 4/28. 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.
Mon 6/16:00 am
ONT
- IAH
1 stop16h 44m
Frontier
Wed 6/104:21 pm
IAH
- ONT
Nonstop3h 31m
Frontier
Deal found 4/28![Frontier logo]()
$155
This Frontier deal was found by Cheapflights users on 4/23. 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.
Sat 5/165:59 pm
ONT
- IAH
Nonstop3h 20m
Frontier
Mon 5/186:00 am
IAH
- ONT
Nonstop3h 35m
Frontier
Deal found 4/23![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 5/235:59 pm
ONT
- IAH
Nonstop3h 20m
Frontier
Thu 5/285:30 am
IAH
- ONT
Nonstop3h 38m
Frontier
Deal found 4/24![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Wed 5/206:00 am
ONT
- ELP
1 stop12h 02m
Frontier
Wed 5/276:42 pm
ELP
- ONT
1 stop14h 22m
Frontier
Deal found 4/23![Frontier logo]()
$158
This CheapOair deal was found by Cheapflights users on 4/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:06 pm
ONT
- IAH
Nonstop3h 19m
Frontier
Wed 6/36:00 am
IAH
- ONT
Nonstop3h 35m
Frontier
Deal found 4/26![Frontier logo]()
$158
This Cheapflightsfares deal was found by Cheapflights users on 4/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2010:50 am
ONT
- SAT
1 stop6h 09m
Frontier
Sat 5/237:54 pm
SAT
- ONT
1 stop5h 55m
Frontier
Deal found 4/27![Frontier logo]()
$159
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 April 28, 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 April 28, 2026.
This Southwest deal was found by Cheapflights users on 4/22. 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.
Thu 6/48:35 am
ONT
- AUS
2 stops9h 10m
Southwest
Mon 6/85:45 am
AUS
- ONT
2 stops7h 35m
Southwest
Deal found 4/22![Southwest logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Thu 6/113:34 pm
ONT
- ELP
1 stop26h 40m
Frontier
Tue 6/166:03 pm
ELP
- ONT
2 stops22h 05m
Frontier
Deal found 4/23![Frontier logo]()
$264
This Delta deal was found by Cheapflights users on 4/24. 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.
Tue 5/126:00 am
ONT
- AUS
1 stop6h 00m
Delta
Wed 5/201:31 pm
AUS
- ONT
1 stop10h 17m
Delta
Deal found 4/24![Delta logo]()
$288
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Tue 5/126:00 am
ONT
- DFW
2 stops10h 30m
United Airlines
Sat 5/235:24 pm
DFW
- ONT
1 stop6h 31m
United Airlines
Deal found 4/23![United Airlines logo]()
$341
This American Airlines deal was found by Cheapflights users on 4/24. 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.
Sun 5/107:35 pm
ONT
- HRL
2 stops12h 42m
American Airlines
Thu 5/147:53 pm
HRL
- ONT
1 stop5h 53m
American Airlines
Deal found 4/24![American Airlines logo]()
$341
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/297:41 pm
ONT
- IAH
1 stop8h 42m
Alaska Airlines
Mon 6/15:57 pm
IAH
- ONT
1 stop7h 59m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$342
This Southwest deal was found by Cheapflights users on 4/22. 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.
Thu 5/2812:40 pm
ONT
- DAL
1 stop4h 20m
Southwest
Tue 6/26:15 pm
DAL
- ONT
1 stop5h 35m
Southwest
Deal found 4/22![Southwest logo]()
$292
This Delta deal was found by Cheapflights users on 4/24. 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.
Wed 5/209:50 am
ONT
- IAH
2 stops9h 43m
Delta
Thu 5/212:20 pm
IAH
- ONT
1 stop9h 28m
Delta
Deal found 4/24![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 4/25. 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.
Sat 5/3010:00 pm
ONT
- IAH
1 stop8h 44m
Delta
Tue 6/23:25 pm
IAH
- ONT
2 stops10h 09m
Delta
Deal found 4/25![Delta logo]()
$297
This Southwest deal was found by Cheapflights users on 4/26. 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.
Thu 7/24:00 pm
ONT
- AUS
1 stop5h 50m
Southwest
Mon 7/65:50 am
AUS
- ONT
1 stop6h 10m
Southwest
Deal found 4/26![Southwest logo]()
$298
This Alaska Airlines deal was found by Cheapflights users on 4/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:00 am
ONT
- AUS
1 stop7h 49m
Alaska Airlines
Wed 5/66:00 am
AUS
- ONT
1 stop10h 30m
Alaska Airlines
Deal found 4/22![Alaska Airlines logo]()
$357
This Southwest deal was found by Cheapflights users on 4/22. 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.
Sun 5/247:00 am
ONT
- DAL
Nonstop2h 55m
Southwest
Tue 6/29:10 am
DAL
- ONT
1 stop5h 05m
Southwest
Deal found 4/22![Southwest logo]()
$313
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/281:18 pm
ONT
- IAH
1 stop8h 41m
United Airlines
Wed 6/36:30 am
IAH
- ONT
1 stop8h 17m
United Airlines
Deal found 4/27![United Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 4/27. 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 5/2712:07 pm
ONT
- HOU
1 stop8h 19m
Delta
Fri 5/291:06 pm
HOU
- ONT
1 stop10h 42m
Delta
Deal found 4/27![Delta logo]()
$327
This Trip.com deal was found by Cheapflights users on 4/22. 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 4/2912:59 am
ONT
- SAT
1 stop11h 16m
Frontier
Sat 5/24:04 pm
SAT
- ONT
2 stops18h 20m
Frontier
Deal found 4/22![Frontier logo]()
$416
This United Airlines deal was found by Cheapflights users on 4/25. 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 5/255:45 am
ONT
- SAT
1 stop7h 54m
United Airlines
Wed 5/275:57 pm
SAT
- ONT
1 stop5h 58m
United Airlines
Deal found 4/25![United Airlines logo]()
$386
This Southwest deal was found by Cheapflights users on 4/26. 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.
Thu 6/48:35 am
ONT
- AUS
2 stops9h 10m
Southwest
Sun 6/76:15 am
AUS
- ONT
2 stops8h 05m
Southwest
Deal found 4/26![Southwest logo]()
$328
This American Airlines deal was found by Cheapflights users on 4/24. 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.
Fri 5/157:30 am
ONT
- MFE
1 stop5h 21m
American Airlines
Mon 5/187:32 pm
MFE
- ONT
1 stop6h 14m
American Airlines
Deal found 4/24![American Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 4/27. 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.
Mon 5/2510:00 pm
ONT
- HOU
1 stop9h 32m
Delta
Fri 5/291:06 pm
HOU
- ONT
1 stop10h 42m
Delta
Deal found 4/27![Delta logo]()
$342
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:00 am
ONT
- DFW
1 stop8h 51m
Alaska Airlines
Mon 10/265:45 pm
DFW
- ONT
1 stop8h 14m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 4/26. 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.
Wed 5/275:45 am
ONT
- IAH
Nonstop3h 19m
United Airlines
Fri 5/298:31 pm
IAH
- ONT
Nonstop3h 24m
United Airlines
Deal found 4/26![United Airlines logo]()
$397
This American Airlines deal was found by Cheapflights users on 4/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2611:59 pm
ONT
- CRP
1 stop6h 28m
American Airlines
Sun 5/318:11 pm
CRP
- ONT
1 stop5h 48m
American Airlines
Deal found 4/25![American Airlines logo]()
$448
This Southwest deal was found by Cheapflights users on 4/22. 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 6/93:40 pm
ONT
- DAL
1 stop5h 45m
Southwest
Mon 6/1510:40 am
DAL
- ONT
1 stop6h 45m
Southwest
Deal found 4/22![Southwest logo]()
$339
This Delta deal was found by Cheapflights users on 4/23. 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.
Tue 5/196:45 am
ONT
- IAH
2 stops13h 32m
Delta
Sat 5/232:20 pm
IAH
- ONT
1 stop9h 28m
Delta
Deal found 4/23![Delta logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 4/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:00 am
ONT
- AUS
1 stop7h 49m
Alaska Airlines
Tue 5/53:39 pm
AUS
- ONT
1 stop8h 53m
Alaska Airlines
Deal found 4/22![Alaska Airlines logo]()
$437
This United Airlines deal was found by Cheapflights users on 4/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:45 am
ONT
- IAH
Nonstop3h 19m
United Airlines
Fri 6/58:31 pm
IAH
- ONT
Nonstop3h 24m
United Airlines
Deal found 4/24![United Airlines logo]()
$412
This Delta deal was found by Cheapflights users on 4/25. 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.
Sat 5/96:00 am
ONT
- IAH
2 stops10h 46m
Delta
Sat 5/166:00 am
IAH
- ONT
2 stops12h 17m
Delta
Deal found 4/25![Delta logo]()
$347
This KAYAK deal was found by Cheapflights users on 4/23. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/17:20 am
ONT
- DFW
Nonstop3h 02m
American Airlines
Sat 8/89:07 pm
DFW
- ONT
Nonstop3h 07m
American Airlines
Deal found 4/23![American Airlines logo]()
$484
This Southwest deal was found by Cheapflights users on 4/22. 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.
Mon 5/2511:35 am
ONT
- DAL
Nonstop2h 50m
Southwest
Thu 5/286:35 am
DAL
- ONT
1 stop6h 20m
Southwest
Deal found 4/22![Southwest logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 4/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:00 am
ONT
- DFW
1 stop10h 29m
Alaska Airlines
Sun 10/43:19 pm
DFW
- ONT
1 stop9h 20m
Alaska Airlines
Deal found 4/26![Alaska Airlines logo]()
$445
Last-minute flights from Ontario to TexasDiscover last-minute flight deals from Ontario to Texas. Data last updated April 28, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Texas. Data last updated April 28, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Tue 5/56:00 am
ONT
- IAH
1 stop16h 44m
Frontier
Mon 5/116:00 am
IAH
- ONT
Nonstop3h 35m
Frontier
Deal found 4/27![Frontier logo]()
$151
This Super.com deal was found by Cheapflights users on 4/28. 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.
Wed 5/68:06 pm
ONT
- IAH
Nonstop3h 19m
Frontier
Mon 5/1110:05 pm
IAH
- ONT
1 stop14h 00m
Frontier
Deal found 4/28![Frontier logo]()
$155
This CheapOair deal was found by Cheapflights users on 4/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/144:04 pm
ONT
- IAH
1 stop18h 29m
Frontier
Tue 5/196:00 am
IAH
- ONT
Nonstop3h 35m
Frontier
Deal found 4/23![Frontier logo]()
$150
This Expedia deal was found by Cheapflights users on 4/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/164:04 pm
ONT
- ELP
1 stop26h 10m
Frontier
Mon 5/188:09 pm
ELP
- ONT
1 stop20h 35m
Frontier
Deal found 4/24![Frontier logo]()
$140
This Frontier deal was found by Cheapflights users on 4/25. 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.
Sat 5/165:59 pm
ONT
- IAH
Nonstop3h 20m
Frontier
Wed 5/276:00 am
IAH
- ONT
Nonstop3h 35m
Frontier
Deal found 4/25![Frontier logo]()
$153
This Frontier deal was found by Cheapflights users on 4/23. 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.
Sat 5/165:59 pm
ONT
- IAH
Nonstop3h 20m
Frontier
Mon 5/186:00 am
IAH
- ONT
Nonstop3h 35m
Frontier
Deal found 4/23![Frontier logo]()
$156
This Cheapflightsfares deal was found by Cheapflights users on 4/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:00 am
ONT
- SAT
1 stop10h 59m
Frontier
Sat 5/238:59 pm
SAT
- ONT
1 stop13h 05m
Frontier
Deal found 4/22![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Wed 5/206:00 am
ONT
- ELP
1 stop12h 02m
Frontier
Wed 5/276:42 pm
ELP
- ONT
1 stop14h 22m
Frontier
Deal found 4/23![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 5/235:59 pm
ONT
- IAH
Nonstop3h 20m
Frontier
Thu 5/285:30 am
IAH
- ONT
Nonstop3h 38m
Frontier
Deal found 4/24![Frontier logo]()
$157
This Expedia deal was found by Cheapflights users on 4/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2410:50 am
ONT
- IAH
1 stop11h 54m
Frontier
Sat 5/306:13 am
IAH
- ONT
Nonstop3h 35m
Frontier
Deal found 4/26![Frontier logo]()
$159
This CheapOair deal was found by Cheapflights users on 4/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:06 pm
ONT
- IAH
Nonstop3h 19m
Frontier
Wed 6/36:00 am
IAH
- ONT
Nonstop3h 35m
Frontier
Deal found 4/26![Frontier logo]()
$158
This Frontier deal was found by Cheapflights users on 4/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3010:50 am
ONT
- IAH
1 stop11h 54m
Frontier
Mon 6/15:30 am
IAH
- ONT
Nonstop3h 38m
Frontier
Deal found 4/27![Frontier logo]()
$154
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 April 28, 2026.
Search for one-way flight options from Ontario to Texas. Find affordable one-way fares based on user searches. Data last updated April 28, 2026.
This Frontier deal was found by Cheapflights users on 4/28. 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 7/145:43 pm
ONT
- IAH
Nonstop3h 22m
Frontier
Deal found 4/28![Frontier logo]()
$49
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 6/245:43 pm
ONT
- IAH
Nonstop3h 25m
Frontier
Deal found 4/26![Frontier logo]()
$53
This Frontier deal was found by Cheapflights users on 4/23. 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.
Thu 6/255:43 pm
ONT
- IAH
Nonstop3h 25m
Frontier
Deal found 4/23![Frontier logo]()
$54
This Trip.com deal was found by Cheapflights users on 4/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1610:50 am
ONT
- AUS
1 stop7h 28m
Frontier
Deal found 4/25![Frontier logo]()
$60
This Frontier deal was found by Cheapflights users on 4/23. 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.
Wed 5/138:06 pm
ONT
- IAH
Nonstop3h 19m
Frontier
Deal found 4/23![Frontier logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Tue 5/198:06 pm
ONT
- IAH
Nonstop3h 19m
Frontier
Deal found 4/27![Frontier logo]()
$63
This Frontier deal was found by Cheapflights users on 4/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:06 pm
ONT
- IAH
Nonstop3h 19m
Frontier
Deal found 4/27![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 5/236:00 am
ONT
- AUS
1 stop12h 18m
Frontier
Deal found 4/24![Frontier logo]()
$65
This Booking.com deal was found by Cheapflights users on 4/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1711:36 am
ONT
- ELP
1 stop6h 38m
Frontier
Deal found 4/23![Frontier logo]()
$70
This Super.com deal was found by Cheapflights users on 4/23. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/128:06 pm
ONT
- IAH
Nonstop3h 19m
Frontier
Deal found 4/23![Frontier logo]()
$70
This Trip.com deal was found by Cheapflights users on 4/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:00 am
ONT
- SAT
1 stop10h 59m
Frontier
Deal found 4/27![Frontier logo]()
$72
This Super.com deal was found by Cheapflights users on 4/23. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/208:06 pm
ONT
- IAH
Nonstop3h 19m
Frontier
Deal found 4/23![Frontier logo]()
$73
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 April 28, 2026.
Round-trip from | $140 (Expedia) |
|---|---|
One-way from | $49 (Frontier) |
Popular in | March |
Cheapest in | August |
Average price | $290 |
Good round-trip deal | $234 or less |
Good one-way deal | $124 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 April 28, 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
OntarioAustin
ONT - AUS
ONTAUS
Ontario
Thu 6/4
8:35 am-7:45 pm
2 stops9h 10m
Austin Bergstrom
Mon 6/8
5:45 am-11:20 am
2 stops7h 35m
$259
OntarioEl Paso
ONT - ELP
ONTELP
Ontario
Thu 6/11
3:34 pm-7:14 pm
1 stop26h 40m
El Paso
Tue 6/16
6:03 pm-3:08 pm
2 stops22h 05m
$264
OntarioAustin
ONT - AUS
ONTAUS
Ontario
Tue 5/12
6:00 am-2:00 pm
1 stop6h 00m
Austin Bergstrom
Wed 5/20
1:31 pm-9:48 pm
1 stop10h 17m
$288
OntarioDallas
ONT - DAL
ONTDAL
Ontario
Thu 5/28
12:40 pm-7:00 pm
1 stop4h 20m
Dallas Love Field
Tue 6/2
6:15 pm-9:50 pm
1 stop5h 35m
$292
OntarioHouston
ONT - IAH
ONTIAH
Ontario
Wed 5/20
9:50 am-9:33 pm
2 stops9h 43m
Houston George Bush Intcntl
Thu 5/21
2:20 pm-9:48 pm
1 stop9h 28m
$297
OntarioHouston
ONT - IAH
ONTIAH
Ontario
Sat 5/30
10:00 pm-8:44 am
1 stop8h 44m
Houston George Bush Intcntl
Tue 6/2
3:25 pm-11:34 pm
2 stops10h 09m
$297
OntarioAustin
ONT - AUS
ONTAUS
Ontario
Thu 7/2
4:00 pm-11:50 pm
1 stop5h 50m
Austin Bergstrom
Mon 7/6
5:50 am-10:00 am
1 stop6h 10m
$298
OntarioDallas
ONT - DAL
ONTDAL
Ontario
Sun 5/24
7:00 am-11:55 am
Nonstop2h 55m
Dallas Love Field
Tue 6/2
9:10 am-12:15 pm
1 stop5h 05m
$313
OntarioHouston
ONT - HOU
ONTHOU
Ontario
Wed 5/27
12:07 pm-10:26 pm
1 stop8h 19m
Houston Hobby
Fri 5/29
1:06 pm-9:48 pm
1 stop10h 42m
$327
OntarioAustin
ONT - AUS
ONTAUS
Ontario
Thu 6/4
8:35 am-7:45 pm
2 stops9h 10m
Austin Bergstrom
Sun 6/7
6:15 am-12:20 pm
2 stops8h 05m
$328
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-ELP
ONT-AUS
ONT-HRL
ONT-IAH
ONT-HOU
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-ELP
ONT-AUS
ONT-HRL
ONT-IAH
How far ahead should I book a flight from Ontario to Texas?
The best time to book flights from Ontario to Texas is 71 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 month to book a flight from Ontario to Texas?
Currently, April is the cheapest month in which you can book a flight from Ontario to Texas (average of $297). Flying from Ontario to Texas in January is currently the most expensive (average of $718). 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 April 28, 2026.
A simple way to save on the total cost of your ticket is to fly from Ontario to Texas in the evening. If you’re flexible enough to do this you can expect to save up to 38% on your trip compared to booking a flight in the morning.
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 April 25, 2026.
Travelers seeking maximum savings on their Ontario to Texas flight should consider departing on Wednesday afternoons 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.
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 April 28, 2026.
The most flights from ONT to USTX are scheduled on a Monday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).
How much does it cost to fly round-trip from Ontario to Texas?
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 April 28, 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
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
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.
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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 April 28, 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 April 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$65 | Average$152 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$67 | Average$235 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$120 | Average$350 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$159 | Average$381 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$168 | Average$396 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$183 | Average$392 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$225 | Average$280 | FlexibilityNo cancel fee | On-time75% |