$71+ Cheap flights from Ontario (ONT) to Dallas
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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DFW
maalis 18 — maalis 251
1 adult, Economy
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Find cheap flights from Ontario to Dallas 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.Cheapflights Tip: The best prices from Ontario to Dallas are usually found in April or August, booked 35 days in advance, depart on a Thursday or Saturday and return on a Thursday
Cheap flight deals from Ontario to Dallas
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Cheapest flights from Ontario to DallasExplore the most affordable flight options available from Ontario to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on helmikuu 16, 2026.
Explore the most affordable flight options available from Ontario to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on helmikuu 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
ti 4/217:29 pm
ONT
- DFW
1 stop8h 21m
Frontier
ti 4/284:15 pm
DFW
- ONT
1 stop9h 40m
Frontier
Deal found 2/12![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
ti 4/1412:59 am
ONT
- DFW
1 stop14h 56m
Frontier
ti 4/211:45 pm
DFW
- ONT
1 stop6h 49m
Frontier
Deal found 2/16![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 2/14. 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.
ti 3/106:15 am
ONT
- DFW
1 stop7h 47m
Frontier
ti 4/284:15 pm
DFW
- ONT
1 stop9h 40m
Frontier
Deal found 2/14![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 2/15. 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.
pe 4/1712:59 am
ONT
- DFW
1 stop16h 43m
Frontier
ti 4/211:45 pm
DFW
- ONT
1 stop6h 49m
Frontier
Deal found 2/15![Frontier logo]()
$142
This Frontier deal was found by Cheapflights users on 2/13. 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.
ke 3/256:15 am
ONT
- DFW
1 stop7h 47m
Frontier
ke 3/2510:41 pm
DFW
- ONT
1 stop10h 31m
Frontier
Deal found 2/13![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
ti 4/1412:59 am
ONT
- DFW
1 stop14h 56m
Frontier
ma 4/207:26 pm
DFW
- ONT
1 stop6h 29m
Frontier
Deal found 2/16![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 2/14. 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.
su 5/1012:59 am
ONT
- DFW
1 stop6h 14m
Frontier
ti 5/194:15 pm
DFW
- ONT
1 stop9h 40m
Frontier
Deal found 2/14![Frontier logo]()
$148
This Booking.com deal was found by Cheapflights users on 2/16. 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.
ke 3/48:40 am
ONT
- DFW
1 stop6h 47m
Frontier
ke 3/410:31 pm
DFW
- ONT
1 stop21h 56m
Frontier
Deal found 2/16![Frontier logo]()
$151
This Frontier deal was found by Cheapflights users on 2/13. 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.
ke 3/47:17 pm
ONT
- DFW
1 stop8h 30m
Frontier
ke 3/112:48 pm
DFW
- ONT
Nonstop3h 27m
Frontier
Deal found 2/13![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
ma 4/208:59 pm
ONT
- DFW
1 stop6h 51m
Frontier
ke 5/204:15 pm
DFW
- ONT
1 stop9h 40m
Frontier
Deal found 2/12![Frontier logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
ke 4/157:29 pm
ONT
- DFW
1 stop8h 21m
Frontier
su 4/196:43 pm
DFW
- ONT
1 stop15h 21m
Frontier
Deal found 2/12![Frontier logo]()
$155
This Delta deal was found by Cheapflights users on 2/14. 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.
la 5/210:15 pm
ONT
- DAL
1 stop9h 16m
Delta
ke 5/612:25 pm
DAL
- ONT
1 stop8h 08m
Delta
Deal found 2/14![Delta logo]()
$228
Best flights from Ontario to DallasDiscover carefully curated flight deals from Ontario to Dallas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated helmikuu 16, 2026.
Discover carefully curated flight deals from Ontario to Dallas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated helmikuu 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
ti 4/2112:59 am
ONT
- DFW
1 stop14h 56m
Frontier
la 4/254:15 pm
DFW
- ONT
1 stop9h 40m
Frontier
Deal found 2/12![Frontier logo]()
$146
This Delta deal was found by Cheapflights users on 2/16. 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.
la 4/186:00 am
ONT
- DFW
1 stop5h 52m
Delta
la 5/96:20 am
DFW
- ONT
2 stops11h 58m
Delta
Deal found 2/16![Delta logo]()
$222
This Southwest deal was found by Cheapflights users on 2/12. 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.
ke 3/116:00 am
ONT
- DAL
Nonstop2h 50m
Southwest
ti 3/176:30 am
DAL
- ONT
1 stop5h 25m
Southwest
Deal found 2/12![Southwest logo]()
$249
This United Airlines deal was found by Cheapflights users on 2/14. 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.
la 2/216:10 am
ONT
- DFW
2 stops8h 39m
United Airlines
la 2/285:15 am
DFW
- ONT
2 stops9h 32m
United Airlines
Deal found 2/14![United Airlines logo]()
$256
This Frontier deal was found by Cheapflights users on 2/12. 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.
ke 2/258:40 am
ONT
- DFW
1 stop12h 25m
Frontier
ke 3/411:55 am
DFW
- ONT
1 stop11h 39m
Frontier
Deal found 2/12![Frontier logo]()
$173
This Frontier deal was found by Cheapflights users on 2/12. 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.
ke 4/86:20 am
ONT
- DFW
1 stop5h 28m
Frontier
la 4/115:19 pm
DFW
- ONT
Nonstop3h 26m
Frontier
Deal found 2/12![Frontier logo]()
$176
This Delta deal was found by Cheapflights users on 2/14. 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.
ti 5/121:25 pm
ONT
- DFW
1 stop5h 50m
Delta
la 5/167:30 am
DFW
- ONT
1 stop6h 49m
Delta
Deal found 2/14![Delta logo]()
$228
This Delta deal was found by Cheapflights users on 2/15. 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.
la 4/181:29 pm
ONT
- DFW
1 stop6h 08m
Delta
ke 4/228:15 am
DFW
- ONT
1 stop5h 59m
Delta
Deal found 2/15![Delta logo]()
$228
This Southwest deal was found by Cheapflights users on 2/15. 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.
la 4/186:20 am
ONT
- DAL
1 stop5h 00m
Southwest
ti 4/2112:20 pm
DAL
- ONT
Nonstop3h 10m
Southwest
Deal found 2/15![Southwest logo]()
$266
This Delta deal was found by Cheapflights users on 2/14. 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.
ke 5/131:35 pm
ONT
- DFW
1 stop8h 00m
Delta
ti 5/192:46 pm
DFW
- ONT
2 stops9h 33m
Delta
Deal found 2/14![Delta logo]()
$244
This Southwest deal was found by Cheapflights users on 2/16. 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.
to 4/1611:35 am
ONT
- DAL
Nonstop2h 50m
Southwest
ti 4/2112:20 pm
DAL
- ONT
Nonstop3h 10m
Southwest
Deal found 2/16![Southwest logo]()
$272
This Southwest deal was found by Cheapflights users on 2/14. 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.
la 2/215:35 am
ONT
- DAL
Nonstop2h 45m
Southwest
la 2/288:25 am
DAL
- ONT
1 stop9h 20m
Southwest
Deal found 2/14![Southwest logo]()
$282
This Delta deal was found by Cheapflights users on 2/15. 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.
la 4/1810:15 pm
ONT
- DAL
1 stop9h 16m
Delta
ke 4/2212:25 pm
DAL
- ONT
1 stop8h 08m
Delta
Deal found 2/15![Delta logo]()
$274
This Southwest deal was found by Cheapflights users on 2/15. 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.
to 3/264:25 pm
ONT
- DAL
1 stop5h 00m
Southwest
ke 4/112:45 pm
DAL
- ONT
Nonstop3h 15m
Southwest
Deal found 2/15![Southwest logo]()
$292
This Delta deal was found by Cheapflights users on 2/16. 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.
la 4/116:00 am
ONT
- DFW
1 stop5h 40m
Delta
la 5/27:20 am
DFW
- ONT
2 stops11h 05m
Delta
Deal found 2/16![Delta logo]()
$279
This Delta deal was found by Cheapflights users on 2/14. 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.
pe 5/156:00 am
ONT
- DFW
1 stop5h 51m
Delta
la 5/167:30 am
DFW
- ONT
1 stop6h 49m
Delta
Deal found 2/14![Delta logo]()
$281
This Delta deal was found by Cheapflights users on 2/15. 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.
ti 3/310:20 pm
ONT
- DAL
1 stop9h 35m
Delta
ti 3/106:05 am
DAL
- ONT
1 stop7h 42m
Delta
Deal found 2/15![Delta logo]()
$284
This Delta deal was found by Cheapflights users on 2/15. 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.
ti 3/1710:25 pm
ONT
- DAL
1 stop9h 17m
Delta
ke 3/256:05 am
DAL
- ONT
1 stop7h 42m
Delta
Deal found 2/15![Delta logo]()
$285
Last-minute flights from Ontario to DallasDiscover last-minute flight deals from Ontario to Dallas. Data last updated helmikuu 16, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Dallas. Data last updated helmikuu 16, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 2/13. 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.
la 2/288:21 am
ONT
- DFW
Nonstop3h 04m
Frontier
ke 3/411:55 am
DFW
- ONT
1 stop11h 39m
Frontier
Deal found 2/13![Frontier logo]()
$167
This Booking.com deal was found by Cheapflights users on 2/16. 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.
ke 3/48:40 am
ONT
- DFW
1 stop6h 47m
Frontier
ke 3/410:31 pm
DFW
- ONT
1 stop21h 56m
Frontier
Deal found 2/16![Frontier logo]()
$151
This Frontier deal was found by Cheapflights users on 2/13. 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.
ke 3/47:17 pm
ONT
- DFW
1 stop8h 30m
Frontier
ke 3/112:48 pm
DFW
- ONT
Nonstop3h 27m
Frontier
Deal found 2/13![Frontier logo]()
$152
This Super.com deal was found by Cheapflights users on 2/13. 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.
la 3/76:34 pm
ONT
- DFW
Nonstop2h 55m
Frontier
ti 3/101:36 pm
DFW
- ONT
Nonstop3h 29m
Frontier
Deal found 2/13![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 2/14. 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.
ti 3/106:15 am
ONT
- DFW
1 stop7h 47m
Frontier
ti 4/284:15 pm
DFW
- ONT
1 stop9h 40m
Frontier
Deal found 2/14![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 2/13. 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.
to 3/126:15 am
ONT
- DFW
1 stop15h 51m
Frontier
ke 3/253:15 pm
DFW
- ONT
1 stop10h 44m
Frontier
Deal found 2/13![Frontier logo]()
$163
This American Airlines deal was found by Cheapflights users on 2/15. 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.
la 3/1411:58 pm
ONT
- DFW
Nonstop2h 52m
American Airlines
la 3/217:10 am
DFW
- ONT
1 stop11h 12m
American Airlines
Deal found 2/15![American Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 2/13. 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.
ma 3/166:15 am
ONT
- DFW
1 stop27h 12m
Frontier
ke 3/253:15 pm
DFW
- ONT
1 stop10h 44m
Frontier
Deal found 2/13![Frontier logo]()
$156
This Frontier deal was found by Cheapflights users on 2/13. 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.
ti 3/174:00 pm
ONT
- DFW
Nonstop3h 05m
Frontier
ti 3/245:17 pm
DFW
- ONT
1 stop8h 42m
Frontier
Deal found 2/13![Frontier logo]()
$161
This Delta deal was found by Cheapflights users on 2/15. 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.
ti 3/1710:25 pm
ONT
- DAL
1 stop9h 17m
Delta
la 3/212:42 pm
DAL
- ONT
1 stop8h 18m
Delta
Deal found 2/15![Delta logo]()
$228
This Frontier deal was found by Cheapflights users on 2/12. 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.
ke 3/2510:03 pm
ONT
- DFW
1 stop11h 33m
Frontier
ke 4/15:20 pm
DFW
- ONT
1 stop8h 36m
Frontier
Deal found 2/12![Frontier logo]()
$144
This Frontier deal was found by Cheapflights users on 2/15. 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.
ke 3/2510:03 pm
ONT
- DFW
1 stop11h 33m
Frontier
ti 3/311:36 pm
DFW
- ONT
Nonstop3h 29m
Frontier
Deal found 2/15![Frontier logo]()
$157
One-way flights from Ontario to DallasSearch for one-way flight options from Ontario to Dallas. Find affordable one-way fares based on user searches. Data last updated helmikuu 16, 2026.
Search for one-way flight options from Ontario to Dallas. Find affordable one-way fares based on user searches. Data last updated helmikuu 16, 2026.
This Super.com deal was found by Cheapflights users on 2/13. 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.
ti 3/38:40 am
ONT
- DFW
1 stop6h 47m
Frontier
Deal found 2/13![Frontier logo]()
$71
This Frontier deal was found by Cheapflights users on 2/13. 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.
ke 3/1110:03 pm
ONT
- DFW
1 stop5h 44m
Frontier
Deal found 2/13![Frontier logo]()
$72
This Super.com deal was found by Cheapflights users on 2/15. 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.
ti 3/172:23 pm
ONT
- DFW
1 stop13h 24m
Frontier
Deal found 2/15![Frontier logo]()
$77
This Frontier deal was found by Cheapflights users on 2/15. 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.
ti 4/217:29 pm
ONT
- DFW
1 stop8h 21m
Frontier
Deal found 2/15![Frontier logo]()
$78
This Super.com deal was found by Cheapflights users on 2/12. 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.
la 3/76:34 pm
ONT
- DFW
Nonstop2h 55m
Frontier
Deal found 2/12![Frontier logo]()
$79
This Trip.com deal was found by Cheapflights users on 2/16. 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.
ma 4/208:59 pm
ONT
- DFW
1 stop6h 51m
Frontier
Deal found 2/16![Frontier logo]()
$82
This Super.com deal was found by Cheapflights users on 2/12. 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.
ti 4/75:18 pm
ONT
- DFW
Nonstop3h 08m
Frontier
Deal found 2/12![Frontier logo]()
$84
This Frontier deal was found by Cheapflights users on 2/12. 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.
ti 4/148:15 am
ONT
- DFW
Nonstop3h 15m
Frontier
Deal found 2/12![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
ti 4/282:44 pm
ONT
- DFW
2 stops25h 11m
Frontier
Deal found 2/12![Frontier logo]()
$86
This Delta deal was found by Cheapflights users on 2/15. 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.
la 5/1611:04 pm
ONT
- DAL
1 stop8h 15m
Delta
Deal found 2/15![Delta logo]()
$109
This Delta deal was found by Cheapflights users on 2/12. 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.
ti 5/1211:04 pm
ONT
- DAL
1 stop8h 15m
Delta
Deal found 2/12![Delta logo]()
$120
This Southwest deal was found by Cheapflights users on 2/15. 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.
la 2/285:35 am
ONT
- DAL
Nonstop2h 45m
Southwest
Deal found 2/15![Southwest logo]()
$128
Find flight deals from Ontario to Dallas
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Dallas (A78). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated helmikuu 16, 2026.
Round-trip from | $136 (Kiwi.com) |
|---|---|
One-way from | $71 (Super.com) |
Popular in | November |
Cheapest in | April |
Average price | $259 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Dallas 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 helmikuu 16, 2026.
Use the filters below to find and compare flights from Ontario to Dallas that are best for you.
Fly from
Ontario
Fly to
Dallas
Route
Depart
Return
Price
OntarioDallas
ONT - DFW
ONTDFW
Ontario
ti 4/21
12:59 am-5:55 pm
1 stop14h 56m
Dallas/Fort Worth
la 4/25
4:15 pm-11:55 pm
1 stop9h 40m
$146
OntarioDallas
ONT - DFW
ONTDFW
Ontario
ke 2/25
8:40 am-11:05 pm
1 stop12h 25m
Dallas/Fort Worth
ke 3/4
11:55 am-9:34 pm
1 stop11h 39m
$173
OntarioDallas
ONT - DFW
ONTDFW
Ontario
ke 4/8
6:20 am-1:48 pm
1 stop5h 28m
Dallas/Fort Worth
la 4/11
5:19 pm-6:45 pm
Nonstop3h 26m
$176
OntarioDallas
ONT - DFW
ONTDFW
Ontario
la 4/18
6:00 am-1:52 pm
1 stop5h 52m
Dallas/Fort Worth
la 5/9
6:20 am-4:18 pm
2 stops11h 58m
$222
OntarioDallas
ONT - DFW
ONTDFW
Ontario
ti 5/12
1:25 pm-9:15 pm
1 stop5h 50m
Dallas/Fort Worth
la 5/16
7:30 am-12:19 pm
1 stop6h 49m
$228
OntarioDallas
ONT - DFW
ONTDFW
Ontario
la 4/18
1:29 pm-9:37 pm
1 stop6h 08m
Dallas/Fort Worth
ke 4/22
8:15 am-12:14 pm
1 stop5h 59m
$228
OntarioDallas
ONT - DFW
ONTDFW
Ontario
ke 5/13
1:35 pm-11:35 pm
1 stop8h 00m
Dallas/Fort Worth
ti 5/19
2:46 pm-10:19 pm
2 stops9h 33m
$244
OntarioDallas
ONT - DAL
ONTDAL
Ontario
ke 3/11
6:00 am-10:50 am
Nonstop2h 50m
Dallas Love Field
ti 3/17
6:30 am-9:55 am
1 stop5h 25m
$249
OntarioDallas
ONT - DFW
ONTDFW
Ontario
la 2/21
6:10 am-4:49 pm
2 stops8h 39m
Dallas/Fort Worth
la 2/28
5:15 am-12:47 pm
2 stops9h 32m
$256
OntarioDallas
ONT - DAL
ONTDAL
Ontario
la 4/18
6:20 am-1:20 pm
1 stop5h 00m
Dallas Love Field
ti 4/21
12:20 pm-1:30 pm
Nonstop3h 10m
$266
Showing 1-10 of 36 results
Best time to book a flight from Ontario to Dallas
Have a flexible travel schedule? Discover the best time to fly to Dallas from Ontario with our price prediction graph.
ONT-A78
ONT-DFW
ONT-DAL
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 Dallas
ONT-A78
ONT-DFW
ONT-DAL
How far ahead should I book a flight from Ontario to Dallas?
Use this chart to determine the optimal time to book a round-trip flight from Ontario to Dallas. Price data was last updated on February 13, 2026.
The best time to book flights from Ontario to Dallas is 35 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 Dallas?
Currently, April is the cheapest month in which you can book a flight from Ontario to Dallas (average of $76). Flying from Ontario to Dallas in July is currently the most expensive (average of $109). 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 DFW?
Find hourly flight availability from Ontario to Dallas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated helmikuu 16, 2026.
A simple way to save on the total cost of your ticket is to fly from Ontario to Dallas in the evening. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight at noon.
What is the cheapest day to fly from Ontario to Dallas?
Use this chart to determine the cheapest time to fly round-trip from Ontario to Dallas. Price data was last updated on February 7, 2026.
Travelers seeking maximum savings on their Ontario to Dallas flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Ontario to Dallas
Explore weekly flight availability from Ontario to Dallas. 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 helmikuu 16, 2026.
The most flights from ONT to A78 are scheduled on a Thursday (18 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (15 on average).
How often are flights from Ontario to Dallas delayed?
About 14% of weekly flights between Ontario and Dallas have experienced delays in the past year, with the average delay time being 142 minutes.
What is the most punctual flight time for Ontario to Dallas flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Ontario to Dallas flights?
Over the last year, American Airlines have had the lowest number of delays on this route, with just 13% of flights being delayed.
The best insider tips for Ontario to Dallas flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Ontario to Dallas trip
Our travel experts
Reviews of airlines servicing Dallas
Get insights into the airlines that provide service to Dallas. 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 Dallas. Reviews last updated helmikuu 16, 2026.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and American Airlines from Ontario to Dallas. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.1
Overall
8.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.1
Overall
8.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.1
Overall
8.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.1
Overall
8.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.1
Overall
8.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.1
Overall
8.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Related info for your journey
Find useful and relevant information for your journey from Ontario to Dallas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
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Search flights from Ontario to Dallas by cabin class
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Ontario and Dallas flights
Browse other Ontario and Dallas flight options. Last updated on helmikuu 16, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on helmikuu 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Ontario to Dallas
Discover the top 6 airlines that operate flights from Ontario to Dallas. 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 helmikuu 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$65 | Average$146 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$84 | Average$196 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$153 | Average$437 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$169 | Average$339 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$184 | Average$397 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$225 | Average$267 | FlexibilityNo cancel fee | On-time75% |