$99+ 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DFW
Jun 6 — Jun 131
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 August or October, booked 86 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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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 May 7, 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 May 7, 2026.
This Trip.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/186:47 pm
ONT
- DFW
Nonstop3h 12m
Frontier
Tue 6/236:18 pm
DFW
- ONT
1 stop7h 31m
Frontier
Deal found 5/3![Frontier logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2610:50 am
ONT
- DFW
1 stop19h 17m
Frontier
Thu 5/287:15 pm
DFW
- ONT
1 stop6h 34m
Frontier
Deal found 5/3![Frontier logo]()
$204
This Frontier deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/210:50 am
ONT
- DFW
1 stop7h 31m
Frontier
Wed 7/85:18 am
DFW
- ONT
1 stop6h 45m
Frontier
Deal found 5/4![Frontier logo]()
$205
This Booking.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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.
Sat 5/168:27 pm
ONT
- DFW
1 stop7h 14m
Frontier
Sun 5/3110:17 pm
DFW
- ONT
1 stop13h 48m
Frontier
Deal found 5/2![Frontier logo]()
$207
This Trip.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 5/208:30 am
ONT
- DFW
Nonstop3h 09m
Frontier
Wed 5/279:14 am
DFW
- ONT
1 stop16h 35m
Frontier
Deal found 5/3![Frontier logo]()
$209
This Frontier deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1010:50 am
ONT
- DFW
1 stop10h 54m
Frontier
Wed 7/154:30 pm
DFW
- ONT
1 stop9h 20m
Frontier
Deal found 5/2![Frontier logo]()
$210
This CheapOair deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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.
Mon 5/188:17 pm
ONT
- DFW
1 stop7h 31m
Frontier
Mon 6/110:17 pm
DFW
- ONT
1 stop13h 48m
Frontier
Deal found 5/3![Frontier logo]()
$211
This Trip.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 6/96:00 am
ONT
- DFW
1 stop7h 23m
Frontier
Sun 6/145:18 am
DFW
- ONT
1 stop6h 47m
Frontier
Deal found 5/2![Frontier logo]()
$212
This Frontier deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/28:30 am
ONT
- DFW
Nonstop3h 09m
Frontier
Sat 6/63:43 pm
DFW
- ONT
Nonstop3h 21m
Frontier
Deal found 5/3![Frontier logo]()
$213
This Frontier deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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.
Sun 5/248:03 am
ONT
- DFW
Nonstop3h 09m
Frontier
Thu 6/115:18 am
DFW
- ONT
1 stop6h 47m
Frontier
Deal found 5/3![Frontier logo]()
$214
This CheapOair deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/264:39 pm
ONT
- DFW
1 stop18h 18m
Frontier
Sun 5/318:51 pm
DFW
- ONT
1 stop16h 15m
Frontier
Deal found 5/4![Frontier logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 5/298:59 am
ONT
- DFW
1 stop18h 49m
Frontier
Sat 8/85:18 am
DFW
- ONT
1 stop6h 45m
Frontier
Deal found 5/3![Frontier logo]()
$216
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 May 7, 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 May 7, 2026.
This Southwest deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/109:45 am
ONT
- DAL
Nonstop2h 55m
Southwest
Wed 6/176:55 pm
DAL
- ONT
2 stops6h 05m
Southwest
Deal found 5/4![Southwest logo]()
$394
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:57 pm
ONT
- DFW
2 stops13h 53m
Delta
Tue 6/21:58 pm
DFW
- ONT
1 stop9h 50m
Delta
Deal found 5/2![Delta logo]()
$400
This United Airlines deal was found by Cheapflights users on 5/6. 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.
Wed 6/31:18 pm
ONT
- DFW
2 stops7h 41m
United Airlines
Sat 6/65:45 am
DFW
- ONT
2 stops8h 27m
United Airlines
Deal found 5/6![United Airlines logo]()
$425
This Southwest deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/274:30 pm
ONT
- DAL
1 stop5h 00m
Southwest
Thu 5/286:00 am
DAL
- ONT
2 stops6h 55m
Southwest
Deal found 5/2![Southwest logo]()
$396
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:45 am
ONT
- DFW
2 stops12h 30m
Delta
Thu 5/286:00 am
DFW
- ONT
2 stops12h 17m
Delta
Deal found 5/2![Delta logo]()
$401
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 7/315:00 am
ONT
- DFW
1 stop5h 48m
United Airlines
Tue 8/411:59 am
DFW
- ONT
2 stops10h 43m
United Airlines
Deal found 5/2![United Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/21:35 pm
ONT
- DFW
1 stop8h 22m
Delta
Sat 6/67:30 am
DFW
- ONT
2 stops11h 35m
Delta
Deal found 5/3![Delta logo]()
$410
This Southwest deal was found by Cheapflights users on 5/5. 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.
Mon 6/15:15 am
ONT
- DAL
1 stop7h 00m
Southwest
Sat 6/64:35 pm
DAL
- ONT
Nonstop3h 00m
Southwest
Deal found 5/5![Southwest logo]()
$416
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/241:00 pm
ONT
- DFW
2 stops8h 59m
Delta
Sat 6/277:45 am
DFW
- ONT
1 stop6h 25m
Delta
Deal found 5/4![Delta logo]()
$410
This Southwest deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 7/278:00 am
ONT
- DAL
2 stops5h 50m
Southwest
Sat 8/11:50 pm
DAL
- ONT
1 stop4h 30m
Southwest
Deal found 5/4![Southwest logo]()
$418
This Delta deal was found by Cheapflights users on 5/6. 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 6/36:45 am
ONT
- DFW
2 stops12h 30m
Delta
Sat 6/67:30 am
DFW
- ONT
1 stop6h 49m
Delta
Deal found 5/6![Delta logo]()
$420
This Southwest deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/25:15 am
ONT
- DAL
1 stop5h 10m
Southwest
Mon 7/68:30 pm
DAL
- ONT
1 stop5h 00m
Southwest
Deal found 5/2![Southwest logo]()
$423
This Delta deal was found by Cheapflights users on 5/5. 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.
Thu 6/41:29 pm
ONT
- DFW
1 stop5h 46m
Delta
Sat 6/66:00 am
DFW
- ONT
2 stops12h 17m
Delta
Deal found 5/5![Delta logo]()
$422
This Southwest deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/54:20 pm
ONT
- DAL
Nonstop2h 55m
Southwest
Mon 6/88:25 pm
DAL
- ONT
1 stop5h 40m
Southwest
Deal found 5/3![Southwest logo]()
$429
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/161:00 pm
ONT
- DFW
2 stops8h 59m
Delta
Tue 7/216:12 pm
DFW
- ONT
1 stop7h 36m
Delta
Deal found 5/2![Delta logo]()
$422
This Southwest deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/294:20 pm
ONT
- DAL
Nonstop2h 55m
Southwest
Fri 7/32:25 pm
DAL
- ONT
Nonstop3h 00m
Southwest
Deal found 5/4![Southwest logo]()
$434
This Southwest deal was found by Cheapflights users on 5/6. 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 7/94:20 pm
ONT
- DAL
Nonstop2h 55m
Southwest
Mon 7/132:25 pm
DAL
- ONT
Nonstop3h 00m
Southwest
Deal found 5/6![Southwest logo]()
$434
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:07 pm
ONT
- DFW
1 stop8h 11m
Delta
Sun 5/317:30 am
DFW
- ONT
1 stop6h 49m
Delta
Deal found 5/2![Delta logo]()
$450
This Southwest deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/114:20 pm
ONT
- DAL
Nonstop2h 55m
Southwest
Sun 6/149:10 am
DAL
- ONT
2 stops7h 25m
Southwest
Deal found 5/2![Southwest logo]()
$449
This Delta deal was found by Cheapflights users on 5/6. 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.
Thu 7/2310:00 pm
ONT
- DFW
1 stop8h 54m
Delta
Sun 7/261:50 pm
DFW
- ONT
2 stops11h 58m
Delta
Deal found 5/6![Delta logo]()
$459
This Southwest deal was found by Cheapflights users on 5/5. 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 8/510:55 am
ONT
- DAL
2 stops6h 30m
Southwest
Sun 8/91:45 pm
DAL
- ONT
2 stops6h 30m
Southwest
Deal found 5/5![Southwest logo]()
$458
Last-minute flights from Ontario to DallasDiscover last-minute flight deals from Ontario to Dallas. Data last updated May 7, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Dallas. Data last updated May 7, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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.
Sat 5/168:27 pm
ONT
- DFW
1 stop7h 14m
Frontier
Sun 5/3110:17 pm
DFW
- ONT
1 stop13h 48m
Frontier
Deal found 5/2![Frontier logo]()
$207
This CheapOair deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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.
Mon 5/188:17 pm
ONT
- DFW
1 stop7h 31m
Frontier
Mon 6/110:17 pm
DFW
- ONT
1 stop13h 48m
Frontier
Deal found 5/3![Frontier logo]()
$211
This Trip.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 5/208:30 am
ONT
- DFW
Nonstop3h 09m
Frontier
Wed 5/279:14 am
DFW
- ONT
1 stop16h 35m
Frontier
Deal found 5/3![Frontier logo]()
$209
This Frontier deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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.
Sun 5/248:03 am
ONT
- DFW
Nonstop3h 09m
Frontier
Thu 6/115:18 am
DFW
- ONT
1 stop6h 47m
Frontier
Deal found 5/3![Frontier logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2610:50 am
ONT
- DFW
1 stop19h 17m
Frontier
Thu 5/287:15 pm
DFW
- ONT
1 stop6h 34m
Frontier
Deal found 5/3![Frontier logo]()
$204
This CheapOair deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/264:39 pm
ONT
- DFW
1 stop18h 18m
Frontier
Sun 5/318:51 pm
DFW
- ONT
1 stop16h 15m
Frontier
Deal found 5/4![Frontier logo]()
$215
This Trip.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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.
Fri 5/298:59 am
ONT
- DFW
1 stop18h 49m
Frontier
Wed 6/39:14 am
DFW
- ONT
1 stop16h 35m
Frontier
Deal found 5/3![Frontier logo]()
$216
This Frontier deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/210:50 am
ONT
- DFW
1 stop7h 31m
Frontier
Wed 7/85:18 am
DFW
- ONT
1 stop6h 45m
Frontier
Deal found 5/4![Frontier logo]()
$205
This Frontier deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/28:30 am
ONT
- DFW
Nonstop3h 09m
Frontier
Sat 6/63:43 pm
DFW
- ONT
Nonstop3h 21m
Frontier
Deal found 5/3![Frontier logo]()
$213
This Trip.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 6/96:00 am
ONT
- DFW
1 stop7h 23m
Frontier
Sun 6/145:18 am
DFW
- ONT
1 stop6h 47m
Frontier
Deal found 5/2![Frontier logo]()
$212
This Frontier deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1010:50 am
ONT
- DFW
1 stop10h 54m
Frontier
Wed 7/154:30 pm
DFW
- ONT
1 stop9h 20m
Frontier
Deal found 5/2![Frontier logo]()
$210
This Trip.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/186:47 pm
ONT
- DFW
Nonstop3h 12m
Frontier
Tue 6/236:18 pm
DFW
- ONT
1 stop7h 31m
Frontier
Deal found 5/3![Frontier logo]()
$203
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 May 7, 2026.
Search for one-way flight options from Ontario to Dallas. Find affordable one-way fares based on user searches. Data last updated May 7, 2026.
This Super.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/188:17 pm
ONT
- DFW
1 stop7h 31m
Frontier
Deal found 5/4![Frontier logo]()
$99
This Frontier deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/210:50 am
ONT
- DFW
1 stop7h 31m
Frontier
Deal found 5/4![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/43:30 pm
ONT
- DFW
2 stops42h 11m
Frontier
Deal found 5/4![Frontier logo]()
$101
This Super.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 7/76:00 am
ONT
- DFW
1 stop7h 34m
Frontier
Deal found 5/4![Frontier logo]()
$103
This Super.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/246:00 am
ONT
- DFW
1 stop5h 22m
Frontier
Deal found 5/4![Frontier logo]()
$104
This Frontier deal was found by Cheapflights users on 5/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2710:50 am
ONT
- DFW
1 stop7h 31m
Frontier
Deal found 5/5![Frontier logo]()
$105
This CheapOair deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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.
Wed 6/34:39 pm
ONT
- DFW
1 stop11h 02m
Frontier
Deal found 5/4![Frontier logo]()
$106
This Super.com deal was found by Cheapflights users on 5/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/118:39 pm
ONT
- DFW
1 stop7h 21m
Frontier
Deal found 5/5![Frontier logo]()
$108
This Mytrip deal was found by Cheapflights users on 5/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/18:36 pm
ONT
- DFW
1 stop7h 34m
Frontier
Deal found 5/5![Frontier logo]()
$109
This Southwest deal was found by Cheapflights users on 5/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/34:20 pm
ONT
- DAL
Nonstop2h 55m
Southwest
Deal found 5/7![Southwest logo]()
$186
This Delta deal was found by Cheapflights users on 5/6. 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 5/2710:00 pm
ONT
- DAL
1 stop9h 29m
Delta
Deal found 5/6![Delta logo]()
$196
This Southwest deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/38:05 am
ONT
- DAL
Nonstop2h 50m
Southwest
Deal found 5/4![Southwest logo]()
$200
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 May 7, 2026.
Round-trip from | $203 (Trip.com) |
|---|---|
One-way from | $99 (Super.com) |
Popular in | March |
Cheapest in | August |
Average price | $268 |
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 May 7, 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
OntarioDallas
ONT - DAL
ONTDAL
Ontario
Wed 6/10
9:45 am-2:40 pm
Nonstop2h 55m
Dallas Love Field
Wed 6/17
6:55 pm-11:00 pm
2 stops6h 05m
$394
OntarioDallas
ONT - DAL
ONTDAL
Ontario
Wed 5/27
4:30 pm-11:30 pm
1 stop5h 00m
Dallas Love Field
Thu 5/28
6:00 am-10:55 am
2 stops6h 55m
$396
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Thu 5/28
4:57 pm-8:50 am
2 stops13h 53m
Dallas/Fort Worth
Tue 6/2
1:58 pm-9:48 pm
1 stop9h 50m
$400
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Wed 5/27
6:45 am-9:15 pm
2 stops12h 30m
Dallas/Fort Worth
Thu 5/28
6:00 am-4:17 pm
2 stops12h 17m
$401
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Tue 6/2
1:35 pm-11:57 pm
1 stop8h 22m
Dallas/Fort Worth
Sat 6/6
7:30 am-5:05 pm
2 stops11h 35m
$410
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Wed 6/24
1:00 pm-11:59 pm
2 stops8h 59m
Dallas/Fort Worth
Sat 6/27
7:45 am-12:10 pm
1 stop6h 25m
$410
OntarioDallas
ONT - DAL
ONTDAL
Ontario
Mon 6/1
5:15 am-2:15 pm
1 stop7h 00m
Dallas Love Field
Sat 6/6
4:35 pm-5:35 pm
Nonstop3h 00m
$416
OntarioDallas
ONT - DAL
ONTDAL
Ontario
Mon 7/27
8:00 am-3:50 pm
2 stops5h 50m
Dallas Love Field
Sat 8/1
1:50 pm-4:20 pm
1 stop4h 30m
$418
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Wed 6/3
6:45 am-9:15 pm
2 stops12h 30m
Dallas/Fort Worth
Sat 6/6
7:30 am-12:19 pm
1 stop6h 49m
$420
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Thu 6/4
1:29 pm-9:15 pm
1 stop5h 46m
Dallas/Fort Worth
Sat 6/6
6:00 am-4:17 pm
2 stops12h 17m
$422
Showing 1-10 of 41 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?
The best time to book flights from Ontario to Dallas is 85 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, January is the cheapest month in which you can book a flight from Ontario to Dallas (average of $54). Flying from Ontario to Dallas in May is currently the most expensive (average of $634). 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 May 7, 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 20% 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 May 2, 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 mornings 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 May 7, 2026.
The most flights from ONT to A78 are scheduled on a Tuesday (17 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (13 on average).
How much does it cost to fly round-trip from Ontario to Dallas?
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 May 7, 2026.
Read reviews from past customers who have flown Alaska Airlines,Southwest, 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.
Entertainment
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
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
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 May 7, 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 May 7, 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 May 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$47 | Average$103 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$96 | Average$265 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$153 | Average$437 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$159 | Average$366 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$182 | Average$408 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$225 | Average$280 | FlexibilityNo cancel fee | On-time75% |