$83+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DFW
Apr 16 — Apr 231
Round-trip
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 86 days in advance, depart on a Thursday or Saturday and return on a Thursday
Cheap flight deals from Ontario to Dallas
Cheapest
Best
Last-minute
One-way
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 March 17, 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 March 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Tue 4/2112:59 am
ONT
- DFW
1 stop10h 29m
Frontier
Sat 4/254:15 pm
DFW
- ONT
1 stop9h 40m
Frontier
Deal found 3/13![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 4/86:20 am
ONT
- DFW
1 stop11h 33m
Frontier
Wed 4/153:58 pm
DFW
- ONT
1 stop9h 57m
Frontier
Deal found 3/17![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 3/14. 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.
Tue 4/2812:59 am
ONT
- DFW
1 stop15h 21m
Frontier
Wed 5/65:18 am
DFW
- ONT
1 stop6h 47m
Frontier
Deal found 3/14![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 4/76:20 am
ONT
- DFW
1 stop11h 33m
Frontier
Tue 4/149:00 am
DFW
- ONT
2 stops11h 49m
Frontier
Deal found 3/17![Frontier logo]()
$179
This Frontier deal was found by Cheapflights users on 3/13. 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.
Tue 4/2112:59 am
ONT
- DFW
1 stop10h 29m
Frontier
Wed 4/2910:45 pm
DFW
- ONT
1 stop11h 39m
Frontier
Deal found 3/13![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Sun 4/1912:59 am
ONT
- DFW
1 stop6h 14m
Frontier
Sat 4/254:15 pm
DFW
- ONT
1 stop9h 40m
Frontier
Deal found 3/13![Frontier logo]()
$182
This Frontier deal was found by Cheapflights users on 3/17. 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 4/110:03 pm
ONT
- DFW
1 stop5h 47m
Frontier
Wed 4/82:58 pm
DFW
- ONT
Nonstop3h 25m
Frontier
Deal found 3/17![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Fri 5/112:59 am
ONT
- DFW
1 stop8h 10m
Frontier
Tue 5/510:44 pm
DFW
- ONT
1 stop19h 00m
Frontier
Deal found 3/13![Frontier logo]()
$185
This Mytrip deal was found by Cheapflights users on 3/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/312:23 pm
ONT
- DFW
1 stop23h 40m
Frontier
Wed 4/85:08 pm
DFW
- ONT
1 stop5h 52m
Frontier
Deal found 3/15![Frontier logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Tue 4/2112:59 am
ONT
- DFW
1 stop10h 29m
Frontier
Wed 5/275:46 pm
DFW
- ONT
Nonstop3h 25m
Frontier
Deal found 3/13![Frontier logo]()
$188
This CheapOair deal was found by Cheapflights users on 3/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/312:23 pm
ONT
- DFW
1 stop23h 40m
Frontier
Tue 4/78:15 am
DFW
- ONT
1 stop17h 41m
Frontier
Deal found 3/13![Frontier logo]()
$191
This Booking.com deal was found by Cheapflights users on 3/17. 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.
Mon 4/1312:59 am
ONT
- DFW
1 stop16h 56m
Frontier
Tue 4/1410:45 pm
DFW
- ONT
1 stop13h 59m
Frontier
Deal found 3/17![Frontier logo]()
$193
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 March 17, 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 March 17, 2026.
This Southwest deal was found by Cheapflights users on 3/12. 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.
Tue 4/288:05 am
ONT
- DAL
Nonstop2h 50m
Southwest
Tue 5/1912:20 pm
DAL
- ONT
Nonstop3h 10m
Southwest
Deal found 3/12![Southwest logo]()
$367
This Delta deal was found by Cheapflights users on 3/17. 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 5/1911:52 am
ONT
- DFW
1 stop10h 07m
Delta
Tue 5/264:25 pm
DFW
- ONT
2 stops9h 09m
Delta
Deal found 3/17![Delta logo]()
$396
This Southwest deal was found by Cheapflights users on 3/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1310:40 am
ONT
- DAL
1 stop6h 10m
Southwest
Tue 5/1912:20 pm
DAL
- ONT
Nonstop3h 10m
Southwest
Deal found 3/13![Southwest logo]()
$381
This Delta deal was found by Cheapflights users on 3/17. 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 6/66:00 am
ONT
- DFW
1 stop5h 51m
Delta
Sat 7/1111:20 am
DFW
- ONT
1 stop8h 55m
Delta
Deal found 3/17![Delta logo]()
$411
This Southwest deal was found by Cheapflights users on 3/12. 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.
Sat 5/166:10 am
ONT
- DAL
Nonstop2h 50m
Southwest
Mon 5/189:05 am
DAL
- ONT
1 stop6h 05m
Southwest
Deal found 3/12![Southwest logo]()
$390
This Delta deal was found by Cheapflights users on 3/15. 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.
Sat 4/1812:49 pm
ONT
- DAL
1 stop7h 44m
Delta
Wed 4/226:05 am
DAL
- ONT
1 stop7h 31m
Delta
Deal found 3/15![Delta logo]()
$411
This Southwest deal was found by Cheapflights users on 3/16. 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.
Wed 5/201:55 pm
ONT
- DAL
1 stop7h 10m
Southwest
Tue 5/267:00 pm
DAL
- ONT
1 stop5h 25m
Southwest
Deal found 3/16![Southwest logo]()
$391
This Delta deal was found by Cheapflights users on 3/12. 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.
Tue 5/269:50 am
ONT
- DFW
2 stops10h 28m
Delta
Tue 6/22:46 pm
DFW
- ONT
2 stops9h 46m
Delta
Deal found 3/12![Delta logo]()
$413
This Southwest deal was found by Cheapflights users on 3/16. 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.
Sat 4/185:40 am
ONT
- DAL
1 stop4h 40m
Southwest
Mon 4/207:35 pm
DAL
- ONT
Nonstop3h 10m
Southwest
Deal found 3/16![Southwest logo]()
$395
This Delta deal was found by Cheapflights users on 3/16. 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.
Fri 4/177:00 am
ONT
- DFW
2 stops12h 37m
Delta
Mon 4/207:45 pm
DFW
- ONT
1 stop5h 59m
Delta
Deal found 3/16![Delta logo]()
$417
This Southwest deal was found by Cheapflights users on 3/14. 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.
Sat 4/118:40 am
ONT
- DAL
1 stop5h 00m
Southwest
Tue 4/1412:20 pm
DAL
- ONT
Nonstop3h 10m
Southwest
Deal found 3/14![Southwest logo]()
$395
This Delta deal was found by Cheapflights users on 3/16. 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.
Tue 4/145:05 pm
ONT
- DFW
2 stops13h 45m
Delta
Tue 4/2112:20 pm
DFW
- ONT
2 stops12h 17m
Delta
Deal found 3/16![Delta logo]()
$418
This Southwest deal was found by Cheapflights users on 3/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/105:15 am
ONT
- DAL
1 stop4h 50m
Southwest
Fri 4/177:35 pm
DAL
- ONT
Nonstop3h 10m
Southwest
Deal found 3/13![Southwest logo]()
$409
This Delta deal was found by Cheapflights users on 3/12. 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.
Sat 5/95:55 pm
ONT
- DFW
2 stops12h 55m
Delta
Mon 5/111:29 pm
DFW
- ONT
2 stops12h 05m
Delta
Deal found 3/12![Delta logo]()
$430
This Southwest deal was found by Cheapflights users on 3/12. 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.
Sat 5/98:40 am
ONT
- DAL
2 stops6h 15m
Southwest
Mon 5/1111:55 am
DAL
- ONT
2 stops5h 55m
Southwest
Deal found 3/12![Southwest logo]()
$413
This Delta deal was found by Cheapflights users on 3/15. 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.
Fri 4/1010:25 pm
ONT
- DFW
1 stop10h 00m
Delta
Mon 4/134:15 pm
DFW
- ONT
2 stops9h 29m
Delta
Deal found 3/15![Delta logo]()
$449
This Southwest deal was found by Cheapflights users on 3/12. 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.
Thu 4/2311:35 am
ONT
- DAL
Nonstop2h 50m
Southwest
Tue 4/2812:20 pm
DAL
- ONT
Nonstop3h 10m
Southwest
Deal found 3/12![Southwest logo]()
$415
This Delta deal was found by Cheapflights users on 3/12. 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.
Sat 5/166:00 am
ONT
- DFW
2 stops12h 02m
Delta
Mon 5/184:25 pm
DFW
- ONT
2 stops9h 09m
Delta
Deal found 3/12![Delta logo]()
$457
This Delta deal was found by Cheapflights users on 3/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/101:20 pm
ONT
- DFW
2 stops8h 39m
Delta
Fri 4/174:15 pm
DFW
- ONT
2 stops9h 29m
Delta
Deal found 3/13![Delta logo]()
$470
Last-minute flights from Ontario to DallasDiscover last-minute flight deals from Ontario to Dallas. Data last updated March 17, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Dallas. Data last updated March 17, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 3/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/312:23 pm
ONT
- DFW
1 stop23h 40m
Frontier
Wed 4/85:08 pm
DFW
- ONT
1 stop5h 52m
Frontier
Deal found 3/15![Frontier logo]()
$186
This CheapOair deal was found by Cheapflights users on 3/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/312:23 pm
ONT
- DFW
1 stop23h 40m
Frontier
Tue 4/78:15 am
DFW
- ONT
1 stop17h 41m
Frontier
Deal found 3/13![Frontier logo]()
$191
This Frontier deal was found by Cheapflights users on 3/17. 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 4/110:03 pm
ONT
- DFW
1 stop5h 47m
Frontier
Wed 4/82:58 pm
DFW
- ONT
Nonstop3h 25m
Frontier
Deal found 3/17![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 3/17. 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
- DFW
1 stop24h 53m
Frontier
Mon 4/610:34 pm
DFW
- ONT
1 stop27h 22m
Frontier
Deal found 3/17![Frontier logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 4/76:20 am
ONT
- DFW
1 stop11h 33m
Frontier
Tue 4/149:00 am
DFW
- ONT
2 stops11h 49m
Frontier
Deal found 3/17![Frontier logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 4/86:20 am
ONT
- DFW
1 stop11h 33m
Frontier
Wed 4/153:58 pm
DFW
- ONT
1 stop9h 57m
Frontier
Deal found 3/17![Frontier logo]()
$169
This Booking.com deal was found by Cheapflights users on 3/17. 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.
Mon 4/1312:59 am
ONT
- DFW
1 stop16h 56m
Frontier
Tue 4/1410:45 pm
DFW
- ONT
1 stop13h 59m
Frontier
Deal found 3/17![Frontier logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Sun 4/1912:59 am
ONT
- DFW
1 stop6h 14m
Frontier
Sat 4/254:15 pm
DFW
- ONT
1 stop9h 40m
Frontier
Deal found 3/13![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Tue 4/2112:59 am
ONT
- DFW
1 stop10h 29m
Frontier
Sat 4/254:15 pm
DFW
- ONT
1 stop9h 40m
Frontier
Deal found 3/13![Frontier logo]()
$166
This Frontier deal was found by Cheapflights users on 3/13. 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.
Tue 4/2112:59 am
ONT
- DFW
1 stop10h 29m
Frontier
Wed 4/2910:45 pm
DFW
- ONT
1 stop11h 39m
Frontier
Deal found 3/13![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Tue 4/2112:59 am
ONT
- DFW
1 stop10h 29m
Frontier
Wed 5/275:46 pm
DFW
- ONT
Nonstop3h 25m
Frontier
Deal found 3/13![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 3/14. 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.
Tue 4/2812:59 am
ONT
- DFW
1 stop15h 21m
Frontier
Wed 5/65:18 am
DFW
- ONT
1 stop6h 47m
Frontier
Deal found 3/14![Frontier logo]()
$170
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 March 17, 2026.
Search for one-way flight options from Ontario to Dallas. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Tue 4/1412:59 am
ONT
- DFW
1 stop10h 17m
Frontier
Deal found 3/13![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Mon 4/1312:59 am
ONT
- DFW
1 stop11h 48m
Frontier
Deal found 3/13![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 3/17. 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.
Fri 4/1712:59 am
ONT
- DFW
1 stop8h 10m
Frontier
Deal found 3/17![Frontier logo]()
$88
This Super.com deal was found by Cheapflights users on 3/13. 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.
Wed 4/110:03 pm
ONT
- DFW
1 stop5h 47m
Frontier
Deal found 3/13![Frontier logo]()
$89
This Frontier deal was found by Cheapflights users on 3/17. 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 4/76:20 am
ONT
- DFW
1 stop5h 28m
Frontier
Deal found 3/17![Frontier logo]()
$90
This Trip.com deal was found by Cheapflights users on 3/16. 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.
Tue 4/2112:59 am
ONT
- DFW
1 stop10h 29m
Frontier
Deal found 3/16![Frontier logo]()
$93
This Super.com deal was found by Cheapflights users on 3/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/191:50 pm
ONT
- DFW
1 stop21h 07m
Frontier
Deal found 3/16![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Sat 4/116:20 am
ONT
- DFW
1 stop10h 13m
Frontier
Deal found 3/13![Frontier logo]()
$98
This Trip.com deal was found by Cheapflights users on 3/17. 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 4/1512:59 am
ONT
- DFW
1 stop8h 10m
Frontier
Deal found 3/17![Frontier logo]()
$100
This Southwest deal was found by Cheapflights users on 3/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:05 am
ONT
- DAL
Nonstop2h 50m
Southwest
Deal found 3/13![Southwest logo]()
$186
This Southwest deal was found by Cheapflights users on 3/12. 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.
Tue 4/72:25 pm
ONT
- DAL
1 stop4h 35m
Southwest
Deal found 3/12![Southwest logo]()
$192
This Southwest deal was found by Cheapflights users on 3/12. 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.
Mon 4/2711:35 am
ONT
- DAL
Nonstop2h 50m
Southwest
Deal found 3/12![Southwest logo]()
$195
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 March 17, 2026.
Round-trip from | $166 (Kiwi.com) |
|---|---|
One-way from | $83 (Kiwi.com) |
Popular in | November |
Cheapest in | April |
Average price | $272 |
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 March 17, 2026.
Use the filters below to find and compare flights from Ontario to Dallas that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
OntarioDallas
ONT - DAL
ONTDAL
Ontario
Tue 4/28
8:05 am-12:55 pm
Nonstop2h 50m
Dallas Love Field
Tue 5/19
12:20 pm-1:30 pm
Nonstop3h 10m
$367
OntarioDallas
ONT - DAL
ONTDAL
Ontario
Wed 5/13
10:40 am-6:50 pm
1 stop6h 10m
Dallas Love Field
Tue 5/19
12:20 pm-1:30 pm
Nonstop3h 10m
$381
OntarioDallas
ONT - DAL
ONTDAL
Ontario
Sat 5/16
6:10 am-11:00 am
Nonstop2h 50m
Dallas Love Field
Mon 5/18
9:05 am-1:10 pm
1 stop6h 05m
$390
OntarioDallas
ONT - DAL
ONTDAL
Ontario
Wed 5/20
1:55 pm-11:05 pm
1 stop7h 10m
Dallas Love Field
Tue 5/26
7:00 pm-10:25 pm
1 stop5h 25m
$391
OntarioDallas
ONT - DAL
ONTDAL
Ontario
Sat 4/18
5:40 am-12:20 pm
1 stop4h 40m
Dallas Love Field
Mon 4/20
7:35 pm-8:45 pm
Nonstop3h 10m
$395
OntarioDallas
ONT - DAL
ONTDAL
Ontario
Sat 4/11
8:40 am-3:40 pm
1 stop5h 00m
Dallas Love Field
Tue 4/14
12:20 pm-1:30 pm
Nonstop3h 10m
$395
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Tue 5/19
11:52 am-11:59 pm
1 stop10h 07m
Dallas/Fort Worth
Tue 5/26
4:25 pm-11:34 pm
2 stops9h 09m
$396
OntarioDallas
ONT - DAL
ONTDAL
Ontario
Fri 4/10
5:15 am-12:05 pm
1 stop4h 50m
Dallas Love Field
Fri 4/17
7:35 pm-8:45 pm
Nonstop3h 10m
$409
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Sat 6/6
6:00 am-1:51 pm
1 stop5h 51m
Dallas/Fort Worth
Sat 7/11
11:20 am-6:15 pm
1 stop8h 55m
$411
OntarioDallas
ONT - DAL
ONTDAL
Ontario
Sat 4/18
12:49 pm-10:33 pm
1 stop7h 44m
Dallas Love Field
Wed 4/22
6:05 am-11:36 am
1 stop7h 31m
$411
Showing 1-10 of 40 resultsSorted by cheapest first
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 March 13, 2026.
The best time to book flights from Ontario to Dallas is 86 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 $78). 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 March 17, 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 March 14, 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. Monday 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 March 17, 2026.
The most flights from ONT to A78 are scheduled on a Tuesday (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 13% of weekly flights between Ontario and Dallas have experienced delays in the past year, with the average delay time being 140 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?
Friday 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 March 17, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, andAmerican 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.
Boarding
8.1
Comfort
8.0
Overall
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Comfort
8.0
Overall
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Comfort
8.0
Overall
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Comfort
8.0
Overall
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Comfort
8.0
Overall
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Comfort
8.0
Overall
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
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 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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Search flights from Ontario to Dallas by cabin class
Find flights from Ontario to Dallas, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Dallas flights
Browse other Ontario and Dallas flight options. Last updated on March 17, 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 March 17, 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 March 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$65 | Average$143 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$90 | Average$208 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$153 | Average$437 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$159 | Average$335 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$185 | Average$400 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$225 | Average$280 | FlexibilityNo cancel fee | On-time75% |