$60+ 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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DFW
Apr 9 — Apr 161
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 March 10, 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 March 10, 2026.
This Super.com deal was found by Cheapflights users on 3/7. 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 4/178:26 am
ONT
- IAH
Nonstop3h 20m
Frontier
Mon 4/203:01 pm
IAH
- ONT
Nonstop3h 37m
Frontier
Deal found 3/7![Frontier logo]()
$126
This Frontier deal was found by Cheapflights users on 3/7. 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 4/238:26 am
ONT
- IAH
Nonstop3h 20m
Frontier
Thu 5/143:01 pm
IAH
- ONT
Nonstop3h 37m
Frontier
Deal found 3/7![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 5/412:59 am
ONT
- IAH
1 stop12h 08m
Frontier
Wed 5/64:02 pm
IAH
- ONT
1 stop9h 53m
Frontier
Deal found 3/6![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 4/16:20 am
ONT
- AUS
1 stop16h 01m
Frontier
Tue 4/77:00 am
AUS
- ONT
1 stop18h 56m
Frontier
Deal found 3/5![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 4/2812:59 am
ONT
- IAH
1 stop20h 57m
Frontier
Mon 5/43:01 pm
IAH
- ONT
Nonstop3h 37m
Frontier
Deal found 3/5![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/1312:59 am
ONT
- AUS
1 stop14h 19m
Frontier
Sat 4/188:50 pm
AUS
- ONT
1 stop12h 36m
Frontier
Deal found 3/6![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Sun 5/312:59 am
ONT
- IAH
1 stop6h 50m
Frontier
Wed 5/64:02 pm
IAH
- ONT
1 stop9h 53m
Frontier
Deal found 3/6![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 3/316:15 am
ONT
- AUS
1 stop13h 35m
Frontier
Thu 4/211:00 am
AUS
- ONT
1 stop14h 56m
Frontier
Deal found 3/5![Frontier logo]()
$141
This CheapOair deal was found by Cheapflights users on 3/9. 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.
Sat 4/258:00 am
ONT
- DFW
Nonstop3h 15m
Frontier
Tue 5/510:36 pm
DFW
- ONT
1 stop17h 04m
Frontier
Deal found 3/9![Frontier logo]()
$142
This Frontier deal was found by Cheapflights users on 3/6. 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 4/2112:59 am
ONT
- DFW
1 stop10h 29m
Frontier
Wed 4/294:15 pm
DFW
- ONT
1 stop9h 40m
Frontier
Deal found 3/6![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 4/26:20 am
ONT
- AUS
1 stop16h 01m
Frontier
Tue 4/77:00 am
AUS
- ONT
1 stop18h 56m
Frontier
Deal found 3/5![Frontier logo]()
$144
This Booking.com deal was found by Cheapflights users on 3/8. 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.
Wed 4/110:03 pm
ONT
- DFW
1 stop5h 47m
Frontier
Wed 4/85:20 pm
DFW
- ONT
1 stop8h 36m
Frontier
Deal found 3/8![Frontier logo]()
$145
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 March 10, 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 March 10, 2026.
This Southwest deal was found by Cheapflights users on 3/9. 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 5/236:00 am
ONT
- AUS
1 stop8h 05m
Southwest
Tue 5/265:55 pm
AUS
- ONT
1 stop5h 55m
Southwest
Deal found 3/9![Southwest logo]()
$209
This Delta deal was found by Cheapflights users on 3/8. 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 4/1812:49 pm
ONT
- AUS
1 stop9h 28m
Delta
Tue 4/216:45 pm
AUS
- ONT
1 stop6h 59m
Delta
Deal found 3/8![Delta logo]()
$237
This United Airlines deal was found by Cheapflights users on 3/6. 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 4/45:10 am
ONT
- AUS
1 stop5h 58m
United Airlines
Tue 4/710:50 am
AUS
- ONT
2 stops9h 12m
United Airlines
Deal found 3/6![United Airlines logo]()
$242
This Alaska Airlines deal was found by Cheapflights users on 3/5. 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.
Wed 5/2711:15 am
ONT
- AUS
1 stop10h 24m
Alaska Airlines
Tue 6/25:48 pm
AUS
- ONT
1 stop8h 08m
Alaska Airlines
Deal found 3/5![Alaska Airlines logo]()
$297
This American Airlines deal was found by Cheapflights users on 3/6. 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 4/911:59 pm
ONT
- LBB
1 stop7h 38m
American Airlines
Sat 4/112:14 pm
LBB
- ONT
2 stops7h 20m
American Airlines
Deal found 3/6![American Airlines logo]()
$371
This Southwest deal was found by Cheapflights users on 3/8. 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 4/712:55 pm
ONT
- DAL
1 stop5h 30m
Southwest
Wed 4/1512:20 pm
DAL
- ONT
Nonstop3h 10m
Southwest
Deal found 3/8![Southwest logo]()
$249
This Delta deal was found by Cheapflights users on 3/5. 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.
Fri 6/511:52 am
ONT
- AUS
1 stop10h 05m
Delta
Fri 6/1212:30 pm
AUS
- ONT
1 stop5h 44m
Delta
Deal found 3/5![Delta logo]()
$268
This United Airlines deal was found by Cheapflights users on 3/5. 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 4/296:05 am
ONT
- IAH
Nonstop3h 10m
United Airlines
Wed 5/68:22 pm
IAH
- ONT
Nonstop3h 36m
United Airlines
Deal found 3/5![United Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 3/9. 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 4/2311:55 am
ONT
- AUS
2 stops7h 05m
Southwest
Mon 4/276:00 am
AUS
- ONT
1 stop8h 00m
Southwest
Deal found 3/9![Southwest logo]()
$282
This Delta deal was found by Cheapflights users on 3/7. 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 4/412:57 pm
ONT
- DAL
1 stop7h 48m
Delta
Wed 4/86:05 am
DAL
- ONT
1 stop7h 42m
Delta
Deal found 3/7![Delta logo]()
$306
This Southwest deal was found by Cheapflights users on 3/8. 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 6/1710:10 am
ONT
- AUS
2 stops7h 50m
Southwest
Sun 6/215:35 am
AUS
- ONT
1 stop5h 45m
Southwest
Deal found 3/8![Southwest logo]()
$282
This United Airlines deal was found by Cheapflights users on 3/8. 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 4/41:34 pm
ONT
- IAH
1 stop7h 40m
United Airlines
Tue 4/78:14 pm
IAH
- ONT
Nonstop3h 36m
United Airlines
Deal found 3/8![United Airlines logo]()
$321
This Southwest deal was found by Cheapflights users on 3/5. 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 4/1811:50 am
ONT
- HOU
Nonstop3h 05m
Southwest
Sun 4/195:40 am
HOU
- ONT
1 stop5h 30m
Southwest
Deal found 3/5![Southwest logo]()
$284
This United Airlines deal was found by Cheapflights users on 3/7. 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 4/1511:05 am
ONT
- MFE
2 stops9h 54m
United Airlines
Sat 4/185:15 pm
MFE
- ONT
1 stop6h 35m
United Airlines
Deal found 3/7![United Airlines logo]()
$322
This Southwest deal was found by Cheapflights users on 3/9. 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 5/276:55 am
ONT
- AUS
1 stop5h 20m
Southwest
Tue 6/211:10 am
AUS
- ONT
Nonstop3h 05m
Southwest
Deal found 3/9![Southwest logo]()
$287
This Delta deal was found by Cheapflights users on 3/7. 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 4/111:20 pm
ONT
- DFW
1 stop5h 55m
Delta
Sat 5/25:49 am
DFW
- ONT
2 stops12h 36m
Delta
Deal found 3/7![Delta logo]()
$350
This Alaska Airlines deal was found by Cheapflights users on 3/8. 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 7/315:38 pm
ONT
- DFW
1 stop9h 24m
Alaska Airlines
Mon 8/34:13 pm
DFW
- ONT
1 stop8h 58m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$435
This United Airlines deal was found by Cheapflights users on 3/8. 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 4/146:00 am
ONT
- AUS
2 stops8h 54m
United Airlines
Sat 4/187:00 am
AUS
- ONT
2 stops12h 47m
United Airlines
Deal found 3/8![United Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 3/6. 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 4/137:00 am
ONT
- IAH
2 stops12h 34m
Delta
Sat 4/187:45 am
IAH
- ONT
1 stop6h 29m
Delta
Deal found 3/6![Delta logo]()
$353
This Southwest deal was found by Cheapflights users on 3/9. 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 4/169:20 am
ONT
- AUS
Nonstop2h 40m
Southwest
Sun 4/199:25 pm
AUS
- ONT
1 stop4h 40m
Southwest
Deal found 3/9![Southwest logo]()
$301
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Fri 4/106:05 am
ONT
- IAH
Nonstop3h 10m
United Airlines
Wed 4/158:14 pm
IAH
- ONT
Nonstop3h 36m
United Airlines
Deal found 3/8![United Airlines logo]()
$332
This American Airlines deal was found by Cheapflights users on 3/7. 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 6/1811:59 pm
ONT
- CRP
1 stop6h 28m
American Airlines
Mon 6/228:11 pm
CRP
- ONT
1 stop5h 48m
American Airlines
Deal found 3/7![American Airlines logo]()
$506
This Delta deal was found by Cheapflights users on 3/9. 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 7/116:00 am
ONT
- AUS
1 stop6h 49m
Delta
Sat 7/188:10 am
AUS
- ONT
1 stop6h 19m
Delta
Deal found 3/9![Delta logo]()
$358
This Southwest deal was found by Cheapflights users on 3/6. 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 4/1611:55 am
ONT
- AUS
2 stops7h 05m
Southwest
Thu 4/305:30 am
AUS
- ONT
2 stops7h 25m
Southwest
Deal found 3/6![Southwest logo]()
$316
This United Airlines deal was found by Cheapflights users on 3/7. 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 4/66:05 am
ONT
- IAH
Nonstop3h 10m
United Airlines
Sat 4/117:00 am
IAH
- ONT
1 stop7h 38m
United Airlines
Deal found 3/7![United Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 3/6. 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 4/76:00 am
ONT
- DFW
1 stop5h 40m
Delta
Thu 4/97:41 pm
DFW
- ONT
1 stop6h 10m
Delta
Deal found 3/6![Delta logo]()
$369
This Southwest deal was found by Cheapflights users on 3/5. 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 4/296:30 am
ONT
- HOU
1 stop5h 55m
Southwest
Wed 5/68:45 am
HOU
- ONT
2 stops8h 10m
Southwest
Deal found 3/5![Southwest logo]()
$322
This Delta deal was found by Cheapflights users on 3/6. 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 4/227:00 am
ONT
- DFW
2 stops12h 37m
Delta
Wed 4/292:50 pm
DFW
- ONT
2 stops9h 47m
Delta
Deal found 3/6![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 3/7. 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 4/236:05 am
ONT
- IAH
Nonstop3h 10m
United Airlines
Mon 4/278:14 pm
IAH
- ONT
Nonstop3h 36m
United Airlines
Deal found 3/7![United Airlines logo]()
$373
This Southwest deal was found by Cheapflights users on 3/8. 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 4/2210:55 am
ONT
- DAL
2 stops7h 00m
Southwest
Mon 4/277:35 pm
DAL
- ONT
Nonstop3h 10m
Southwest
Deal found 3/8![Southwest logo]()
$326
Last-minute flights from Ontario to TexasDiscover last-minute flight deals from Ontario to Texas. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Texas. Data last updated March 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 3/316:15 am
ONT
- AUS
1 stop13h 35m
Frontier
Thu 4/211:00 am
AUS
- ONT
1 stop14h 56m
Frontier
Deal found 3/5![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 4/16:20 am
ONT
- AUS
1 stop16h 01m
Frontier
Tue 4/77:00 am
AUS
- ONT
1 stop18h 56m
Frontier
Deal found 3/5![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 4/26:20 am
ONT
- AUS
1 stop16h 01m
Frontier
Tue 4/77:00 am
AUS
- ONT
1 stop18h 56m
Frontier
Deal found 3/5![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 4/66:20 am
ONT
- AUS
1 stop16h 01m
Frontier
Mon 4/209:31 pm
AUS
- ONT
1 stop28h 24m
Frontier
Deal found 3/5![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/1312:59 am
ONT
- AUS
1 stop14h 19m
Frontier
Sat 4/188:50 pm
AUS
- ONT
1 stop12h 36m
Frontier
Deal found 3/6![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 4/1312:59 am
ONT
- AUS
1 stop14h 19m
Frontier
Tue 4/216:13 pm
AUS
- ONT
1 stop7h 42m
Frontier
Deal found 3/8![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/1412:59 am
ONT
- SAT
1 stop12h 54m
Frontier
Tue 4/214:04 pm
SAT
- ONT
1 stop9h 51m
Frontier
Deal found 3/9![Frontier logo]()
$157
This Super.com deal was found by Cheapflights users on 3/8. 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 4/168:26 am
ONT
- IAH
Nonstop3h 20m
Frontier
Mon 4/203:01 pm
IAH
- ONT
Nonstop3h 37m
Frontier
Deal found 3/8![Frontier logo]()
$153
This Super.com deal was found by Cheapflights users on 3/7. 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 4/178:26 am
ONT
- IAH
Nonstop3h 20m
Frontier
Mon 4/203:01 pm
IAH
- ONT
Nonstop3h 37m
Frontier
Deal found 3/7![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 4/2012:59 am
ONT
- ELP
1 stop10h 19m
Frontier
Tue 4/281:13 pm
ELP
- ONT
1 stop11h 42m
Frontier
Deal found 3/7![Frontier logo]()
$148
This Frontier deal was found by Cheapflights users on 3/7. 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 4/238:26 am
ONT
- IAH
Nonstop3h 20m
Frontier
Thu 5/143:01 pm
IAH
- ONT
Nonstop3h 37m
Frontier
Deal found 3/7![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 4/2812:59 am
ONT
- IAH
1 stop20h 57m
Frontier
Mon 5/43:01 pm
IAH
- ONT
Nonstop3h 37m
Frontier
Deal found 3/5![Frontier logo]()
$137
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 March 10, 2026.
Search for one-way flight options from Ontario to Texas. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
This Trip.com deal was found by Cheapflights users on 3/5. 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.
Mon 4/1312:59 am
ONT
- AUS
1 stop14h 19m
Frontier
Deal found 3/5![Frontier logo]()
$60
This Frontier deal was found by Cheapflights users on 3/7. 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 5/88:26 am
ONT
- IAH
Nonstop3h 20m
Frontier
Deal found 3/7![Frontier logo]()
$64
This Trip.com deal was found by Cheapflights users on 3/5. 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.
Mon 4/1312:59 am
ONT
- SAT
1 stop12h 10m
Frontier
Deal found 3/5![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/2112:59 am
ONT
- IAH
1 stop20h 57m
Frontier
Deal found 3/6![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/1312:59 am
ONT
- IAH
1 stop12h 08m
Frontier
Deal found 3/6![Frontier logo]()
$71
This Frontier deal was found by Cheapflights users on 3/7. 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 3/2510:03 pm
ONT
- DFW
1 stop5h 44m
Frontier
Deal found 3/7![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Sun 4/198:21 am
ONT
- IAH
Nonstop3h 20m
Frontier
Deal found 3/10![Frontier logo]()
$73
This Trip.com deal was found by Cheapflights users on 3/10. 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.
Mon 4/2712:59 am
ONT
- AUS
1 stop14h 19m
Frontier
Deal found 3/10![Frontier logo]()
$73
This Super.com deal was found by Cheapflights users on 3/10. 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.
Mon 4/208:26 am
ONT
- IAH
Nonstop3h 20m
Frontier
Deal found 3/10![Frontier logo]()
$74
This Trip.com deal was found by Cheapflights users on 3/9. 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.
Mon 4/2012:59 am
ONT
- AUS
1 stop14h 19m
Frontier
Deal found 3/9![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 4/2112:59 am
ONT
- DFW
1 stop10h 29m
Frontier
Deal found 3/7![Frontier logo]()
$75
This Trip.com deal was found by Cheapflights users on 3/6. 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 4/1412:59 am
ONT
- SAT
1 stop12h 54m
Frontier
Deal found 3/6![Frontier logo]()
$77
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 March 10, 2026.
Round-trip from | $126 (Super.com) |
|---|---|
One-way from | $60 (Trip.com) |
Popular in | March |
Cheapest in | August |
Average price | $287 |
Good round-trip deal | $272 or less |
Good one-way deal | $155 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 March 10, 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
Sat 5/23
6:00 am-4:05 pm
1 stop8h 05m
Austin Bergstrom
Tue 5/26
5:55 pm-9:50 pm
1 stop5h 55m
$209
OntarioAustin
ONT - AUS
ONTAUS
Ontario
Sat 4/18
12:49 pm-12:17 am
1 stop9h 28m
Austin Bergstrom
Tue 4/21
6:45 pm-11:44 pm
1 stop6h 59m
$237
OntarioAustin
ONT - AUS
ONTAUS
Ontario
Sat 4/4
5:10 am-1:08 pm
1 stop5h 58m
Austin Bergstrom
Tue 4/7
10:50 am-6:02 pm
2 stops9h 12m
$242
OntarioDallas
ONT - DAL
ONTDAL
Ontario
Tue 4/7
12:55 pm-8:25 pm
1 stop5h 30m
Dallas Love Field
Wed 4/15
12:20 pm-1:30 pm
Nonstop3h 10m
$249
OntarioAustin
ONT - AUS
ONTAUS
Ontario
Fri 6/5
11:52 am-11:57 pm
1 stop10h 05m
Austin Bergstrom
Fri 6/12
12:30 pm-4:14 pm
1 stop5h 44m
$268
OntarioAustin
ONT - AUS
ONTAUS
Ontario
Thu 4/23
11:55 am-9:00 pm
2 stops7h 05m
Austin Bergstrom
Mon 4/27
6:00 am-12:00 pm
1 stop8h 00m
$282
OntarioAustin
ONT - AUS
ONTAUS
Ontario
Wed 6/17
10:10 am-8:00 pm
2 stops7h 50m
Austin Bergstrom
Sun 6/21
5:35 am-9:20 am
1 stop5h 45m
$282
OntarioHouston
ONT - HOU
ONTHOU
Ontario
Sat 4/18
11:50 am-4:55 pm
Nonstop3h 05m
Houston Hobby
Sun 4/19
5:40 am-9:10 am
1 stop5h 30m
$284
OntarioAustin
ONT - AUS
ONTAUS
Ontario
Wed 5/27
6:55 am-2:15 pm
1 stop5h 20m
Austin Bergstrom
Tue 6/2
11:10 am-12:15 pm
Nonstop3h 05m
$287
OntarioAustin
ONT - AUS
ONTAUS
Ontario
Wed 5/27
11:15 am-11:39 pm
1 stop10h 24m
Austin Bergstrom
Tue 6/2
5:48 pm-11:56 pm
1 stop8h 08m
$297
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-AUS
ONT-LBB
ONT-DAL
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-AUS
ONT-LBB
ONT-DAL
ONT-IAH
What is the cheapest month to book a flight from Ontario to Texas?
Currently, December is the cheapest month in which you can book a flight from Ontario to Texas (average of $57). Flying from Ontario to Texas in June is currently the most expensive (average of $94). 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 March 10, 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 34% 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 February 21, 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 March 10, 2026.
The most flights from ONT to USTX are scheduled on a Tuesday (18 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (15 on average).
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 March 10, 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.
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
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 March 10, 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 March 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$64 | Average$213 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$65 | Average$160 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$120 | Average$357 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$150 | Average$396 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$159 | Average$381 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$184 | Average$391 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$225 | Average$267 | FlexibilityNo cancel fee | On-time75% |