$82+ Cheap flights from Ontario (ONT) to Dallas
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DFW
Dec 9 — Dec 161
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 December or February, booked 47 days in advance, depart on a Thursday or Tuesday and return on a Tuesday
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 November 9, 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 November 9, 2026.
This Orbitz deal was found by Cheapflights users on 11/5. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1810:48 pm -
1 stop4h 27m
Sun 12/2010:27 am -
1 stop26h 20m
Deal found 11/5![Frontier logo]()
$212
This CheapOair deal was found by Cheapflights users on 11/4. 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.
Thu 11/266:08 pm -
Nonstop3h 07m
Mon 11/3010:54 pm -
1 stop21h 17m
Deal found 11/4![Frontier logo]()
$213
This Super.com deal was found by Cheapflights users on 11/4. 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 11/98:03 pm -
Nonstop3h 05m
Thu 11/125:47 pm -
Nonstop3h 21m
Deal found 11/4![Frontier logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 12/36:00 am -
1 stop5h 29m
Sun 12/68:35 pm -
1 stop5h 45m
Deal found 11/4![Frontier logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Fri 12/410:32 am -
Nonstop3h 07m
Fri 12/48:35 pm -
1 stop5h 42m
Deal found 11/4![Frontier logo]()
$216
This Booking.com deal was found by Cheapflights users on 11/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/42:00 pm -
1 stop18h 55m
Sun 12/66:27 am -
Nonstop3h 17m
Deal found 11/7![Frontier logo]()
$217
This CheapOair deal was found by Cheapflights users on 11/4. 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.
Sat 11/75:33 pm -
Nonstop3h 14m
Wed 11/113:17 pm -
Nonstop3h 21m
Deal found 11/4![Frontier logo]()
$218
This Flybillet deal was found by Cheapflights users on 11/5. 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 Flybillet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:33 pm -
Nonstop3h 14m
Sat 11/143:17 pm -
Nonstop3h 21m
Deal found 11/5![Frontier logo]()
$219
This Frontier deal was found by Cheapflights users on 11/4. 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.
Wed 12/166:00 am -
1 stop5h 21m
Thu 12/314:58 pm -
Nonstop3h 17m
Deal found 11/4![Frontier logo]()
$221
This Super.com deal was found by Cheapflights users on 11/4. 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.
Fri 12/410:32 am -
Nonstop3h 07m
Mon 12/76:27 am -
Nonstop3h 17m
Deal found 11/4![Frontier logo]()
$222
This Mytrip deal was found by Cheapflights users on 11/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:06 pm -
2 stops22h 23m
Wed 12/98:00 am -
2 stops16h 17m
Deal found 11/4![Frontier logo]()
$223
This Southwest deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/511:00 am -
Nonstop2h 50m
Wed 12/99:40 am -
Nonstop3h 05m
Deal found 11/5![Southwest logo]()
$245
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 November 9, 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 November 9, 2026.
This Delta deal was found by Cheapflights users on 11/4. 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.
Sat 12/126:00 am -
2 stops12h 35m
Wed 12/162:03 pm -
2 stops11h 54m
Deal found 11/4![Delta logo]()
$265
This Southwest deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/511:00 am -
Nonstop2h 50m
Sat 12/125:10 pm -
1 stop5h 50m
Deal found 11/5![Southwest logo]()
$295
This KAYAK deal was found by Cheapflights users on 11/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/29:35 am -
1 stop7h 22m
Fri 12/48:20 am -
1 stop6h 18m
Deal found 11/4![American Airlines logo]()
$466
This Southwest deal was found by Cheapflights users on 11/4. 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.
Sat 12/127:00 am -
2 stops6h 10m
Wed 12/168:00 am -
1 stop5h 55m
Deal found 11/4![Southwest logo]()
$310
This Delta deal was found by Cheapflights users on 11/6. 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.
Sat 12/56:00 am -
2 stops12h 35m
Thu 12/1012:33 pm -
2 stops12h 26m
Deal found 11/6![Delta logo]()
$315
This Southwest deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/31:35 pm -
Nonstop2h 50m
Wed 12/99:40 am -
Nonstop3h 05m
Deal found 11/8![Southwest logo]()
$332
This Delta deal was found by Cheapflights users on 11/4. 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.
Fri 12/412:20 pm -
1 stop8h 23m
Sat 12/512:11 pm -
1 stop9h 44m
Deal found 11/4![Delta logo]()
$335
This Southwest deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/52:50 pm -
1 stop4h 30m
Mon 12/75:30 pm -
1 stop6h 35m
Deal found 11/5![Southwest logo]()
$345
This Delta deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1512:20 pm -
1 stop9h 56m
Thu 1/76:55 am -
1 stop9h 55m
Deal found 11/8![Delta logo]()
$352
This Southwest deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:40 am -
1 stop6h 20m
Tue 12/85:10 pm -
1 stop4h 45m
Deal found 11/8![Southwest logo]()
$347
This Delta deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/167:05 am -
1 stop8h 24m
Thu 1/76:10 pm -
1 stop7h 48m
Deal found 11/8![Delta logo]()
$352
This Southwest deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/88:40 am -
2 stops6h 45m
Tue 12/154:40 pm -
2 stops6h 00m
Deal found 11/8![Southwest logo]()
$366
This Delta deal was found by Cheapflights users on 11/5. 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 12/1711:57 am -
1 stop9h 56m
Thu 12/241:30 pm -
1 stop9h 05m
Deal found 11/5![Delta logo]()
$377
This Delta deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/146:00 am -
1 stop5h 39m
Wed 1/66:55 am -
1 stop9h 55m
Deal found 11/8![Delta logo]()
$377
This Southwest deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1211:00 am -
Nonstop2h 50m
Sun 12/207:55 pm -
Nonstop3h 05m
Deal found 11/8![Southwest logo]()
$400
This Delta deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/31:11 pm -
2 stops8h 41m
Wed 12/912:33 pm -
2 stops12h 26m
Deal found 11/8![Delta logo]()
$397
This Southwest deal was found by Cheapflights users on 11/7. 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.
Thu 1/146:15 am -
1 stop6h 30m
Tue 1/1911:55 am -
Nonstop3h 15m
Deal found 11/7![Southwest logo]()
$404
This Southwest deal was found by Cheapflights users on 11/6. 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.
Wed 12/168:40 am -
2 stops6h 20m
Mon 12/217:55 pm -
Nonstop3h 05m
Deal found 11/6![Southwest logo]()
$409
This Delta deal was found by Cheapflights users on 11/5. 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.
Mon 12/141:11 pm -
1 stop6h 14m
Sun 12/206:08 pm -
1 stop7h 51m
Deal found 11/5![Delta logo]()
$432
This Delta deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/107:00 am -
2 stops12h 25m
Mon 12/142:35 pm -
2 stops10h 24m
Deal found 11/7![Delta logo]()
$439
This KAYAK deal was found by Cheapflights users on 11/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:00 am -
1 stop5h 39m
Fri 12/115:00 pm -
1 stop7h 59m
Deal found 11/6![Delta logo]()
$447
This Delta deal was found by Cheapflights users on 11/6. 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 12/31:11 pm -
2 stops8h 41m
Mon 12/72:35 pm -
2 stops10h 24m
Deal found 11/6![Delta logo]()
$474
Last-minute flights from Ontario to DallasDiscover last-minute flight deals from Ontario to Dallas. Data last updated November 9, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Dallas. Data last updated November 9, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 11/4. 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.
Sat 11/75:33 pm -
Nonstop3h 14m
Wed 11/113:17 pm -
Nonstop3h 21m
Deal found 11/4![Frontier logo]()
$218
This Super.com deal was found by Cheapflights users on 11/4. 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 11/98:03 pm -
Nonstop3h 05m
Thu 11/125:47 pm -
Nonstop3h 21m
Deal found 11/4![Frontier logo]()
$214
This Flybillet deal was found by Cheapflights users on 11/5. 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 Flybillet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:33 pm -
Nonstop3h 14m
Sat 11/143:17 pm -
Nonstop3h 21m
Deal found 11/5![Frontier logo]()
$219
This CheapOair deal was found by Cheapflights users on 11/4. 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.
Thu 11/266:08 pm -
Nonstop3h 07m
Mon 11/3010:54 pm -
1 stop21h 17m
Deal found 11/4![Frontier logo]()
$213
This Mytrip deal was found by Cheapflights users on 11/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:06 pm -
2 stops22h 23m
Wed 12/98:00 am -
2 stops16h 17m
Deal found 11/4![Frontier logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 12/36:00 am -
1 stop5h 29m
Sun 12/68:35 pm -
1 stop5h 45m
Deal found 11/4![Frontier logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Fri 12/410:32 am -
Nonstop3h 07m
Fri 12/48:35 pm -
1 stop5h 42m
Deal found 11/4![Frontier logo]()
$216
This Mytrip deal was found by Cheapflights users on 11/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/42:00 pm -
1 stop13h 36m
Sun 12/66:27 am -
Nonstop3h 17m
Deal found 11/7![Frontier logo]()
$217
This Super.com deal was found by Cheapflights users on 11/4. 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.
Fri 12/410:32 am -
Nonstop3h 07m
Mon 12/76:27 am -
Nonstop3h 17m
Deal found 11/4![Frontier logo]()
$222
This Southwest deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/511:00 am -
Nonstop2h 50m
Wed 12/99:40 am -
Nonstop3h 05m
Deal found 11/5![Southwest logo]()
$245
This Frontier deal was found by Cheapflights users on 11/4. 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.
Wed 12/166:00 am -
1 stop5h 21m
Thu 12/314:58 pm -
Nonstop3h 17m
Deal found 11/4![Frontier logo]()
$221
This Orbitz deal was found by Cheapflights users on 11/5. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1810:48 pm -
1 stop4h 27m
Sun 12/2010:27 am -
1 stop26h 20m
Deal found 11/5![Frontier logo]()
$212
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 November 9, 2026.
Search for one-way flight options from Ontario to Dallas. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.
This CheapOair deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1212:36 pm -
Nonstop3h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Frontier logo]()
$82
This Mytrip deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1011:00 am -
1 stop6h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Frontier logo]()
$83
This Super.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1111:00 am -
1 stop16h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1811:32 am -
1 stop10h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Frontier logo]()
$85
This Trip.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/511:30 am -
1 stop6h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Frontier logo]()
$86
This Super.com deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2410:30 pm -
1 stop9h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Frontier logo]()
$87
This CheapOair deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/32:00 pm -
1 stop27h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Frontier logo]()
$88
This Frontier deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/211:30 am -
1 stop5h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/167:26 pm -
2 stops20h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Frontier logo]()
$90
This iWofly deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/238:02 am -
1 stop7h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Tue 11/175:07 pm -
1 stop10h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Frontier logo]()
$92
This Mytrip deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/296:30 am -
1 stop15h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Frontier logo]()
$93
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 November 9, 2026.
Round-trip from | $212 (Orbitz) |
|---|---|
One-way from | $82 (CheapOair) |
Popular in | June |
Cheapest in | December |
Average price | $348 |
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 7,457,451 searches. Data last updated November 9, 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 Ontario - DAL Dallas Love Field
ONTDAL
Ontario
Tue 12/8
1:35 pm-6:25 pm
Nonstop2h 50m
Dallas Love Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$128
OntarioDallas
ONT Ontario - DFW Dallas/Fort Worth
ONTDFW
Ontario
Tue 12/29
7:10 pm-12:10 am
Nonstop3h 00m
Dallas/Fort Worth
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$130
OntarioDallas
ONT Ontario - DFW Dallas/Fort Worth
ONTDFW
Ontario
Sun 11/22
4:13 pm-7:49 pm
1 stop25h 36m
Dallas/Fort Worth
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$168
OntarioDallas
ONT Ontario - DFW Dallas/Fort Worth
ONTDFW
Ontario
Sun 12/13
12:36 pm-5:41 pm
Nonstop3h 05m
Dallas/Fort Worth
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$179
OntarioDallas
ONT Ontario - DAL Dallas Love Field
ONTDAL
Ontario
Tue 1/5
11:15 am-6:40 pm
1 stop5h 25m
Dallas Love Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$189
OntarioDallas
ONT Ontario - DAL Dallas Love Field
ONTDAL
Ontario
Wed 2/24
10:15 am-3:05 pm
Nonstop2h 50m
Dallas Love Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$190
OntarioDallas
ONT Ontario - DAL Dallas Love Field
ONTDAL
Ontario
Sat 12/19
4:00 pm-8:50 pm
Nonstop2h 50m
Dallas Love Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$192
OntarioDallas
ONT Ontario - DFW Dallas/Fort Worth
ONTDFW
Ontario
Tue 2/23
7:00 am-9:29 pm
2 stops12h 29m
Dallas/Fort Worth
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$205
OntarioDallas
ONT Ontario - DAL Dallas Love Field
ONTDAL
Ontario
Tue 2/23
12:00 pm-8:45 pm
2 stops6h 45m
Dallas Love Field
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$205
OntarioDallas
ONT Ontario - DFW Dallas/Fort Worth
ONTDFW
Ontario
Sat 2/6
6:00 am-1:46 pm
1 stop5h 46m
Dallas/Fort Worth
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$213
Showing 1-10 of 42 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
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 $274). Flying from Ontario to Dallas in June is currently the most expensive (average of $432). 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 November 9, 2026.
A simple way to save on the total cost of your ticket is to fly from Ontario to Dallas in the afternoon. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the morning.
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 November 9, 2026.
The most flights from ONT to A78 are scheduled on a Friday (23 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (14 on average).
How much does it cost to fly round-trip from Ontario to Dallas?
Airfare is below average for this route at the moment.
Ontario to Dallas flights typically cost between $259 and $451 in December.The cheapest round-trip price found within the last 5 days was $212 on Frontier (Dec 18-Dec 20).
How often are flights from Ontario to Dallas delayed?
About 11% of weekly flights between Ontario and Dallas have experienced delays in the past year, with the average delay time being 147 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?
Thursday tends to have the lowest number of delays on this route, whereas Sunday 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, Frontier have had the lowest number of delays on this route, with just 10% of flights being delayed.
How far ahead should I book a flight from Ontario to Dallas?
The best time to book flights from Ontario to Dallas is 46 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 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 November 7, 2026.
Travelers seeking maximum savings on their Ontario to Dallas flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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 November 9, 2026.
Read reviews from past customers who have flown Southwest,JetBlue, 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.
Overall
8.0
Food
7.0
Boarding
8.1
Entertainment
7.4
Crew
8.6
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Overall
8.0
Food
7.0
Boarding
8.1
Entertainment
7.4
Crew
8.6
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Overall
8.0
Food
7.0
Boarding
8.1
Entertainment
7.4
Crew
8.6
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Overall
8.0
Food
7.0
Boarding
8.1
Entertainment
7.4
Crew
8.6
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Overall
8.0
Food
7.0
Boarding
8.1
Entertainment
7.4
Crew
8.6
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
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 November 9, 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 November 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Ontario to Dallas
Discover the top 4 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 7,457,451 searches. Data last updated November 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$131 | Average$260 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$229 | Average$444 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$229 | Average$381 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$252 | Average$435 | FlexibilityNo cancel fee | On-time71% |