$127+ Cheap flights from Ontario (ONT) to Dallas/Fort Worth (DFW)
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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DFW
Oct 23 — Oct 301
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Dallas/Fort Worth 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/Fort Worth are usually found in December or February, booked 47 days in advance, depart on a Tuesday or Thursday and return on a Thursday
Cheap flight deals from Ontario to Dallas/Fort Worth
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ontario to Dallas/Fort WorthExplore the most affordable flight options available from Ontario to Dallas/Fort Worth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
Explore the most affordable flight options available from Ontario to Dallas/Fort Worth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
This Booking.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 11/1411:52 am -
1 stop5h 30m
Mon 11/168:27 pm -
1 stop5h 24m
Deal found 9/19![Frontier logo]()
$220
This FlightHub deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:15 am -
1 stop16h 01m
Sun 10/256:30 am -
1 stop6h 46m
Deal found 9/18![Frontier logo]()
$221
This Booking.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/168:03 pm -
Nonstop2h 56m
Mon 10/197:00 am -
1 stop18h 50m
Deal found 9/19![Frontier logo]()
$222
This Booking.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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 10/2311:52 am -
1 stop19h 15m
Mon 10/262:39 pm -
1 stop21h 56m
Deal found 9/18![Frontier logo]()
$223
This Justfly.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:52 am -
1 stop5h 30m
Wed 10/217:00 am -
1 stop5h 29m
Deal found 9/20![Frontier logo]()
$224
This Mytrip deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 10/1311:26 am -
1 stop15h 52m
Fri 10/168:27 pm -
1 stop16h 02m
Deal found 9/22![Frontier logo]()
$225
This FlightHub deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1112:01 pm -
1 stop15h 33m
Thu 10/157:00 am -
1 stop18h 50m
Deal found 9/18![Frontier logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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 10/1011:52 am -
1 stop5h 30m
Mon 10/1210:30 pm -
2 stops27h 20m
Deal found 9/18![Frontier logo]()
$227
This Booking.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:33 pm -
Nonstop3h 11m
Fri 10/165:51 pm -
Nonstop3h 17m
Deal found 9/18![Frontier logo]()
$228
This FlightHub deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:52 am -
1 stop5h 30m
Sun 11/225:01 am -
Nonstop3h 19m
Deal found 9/21![Frontier logo]()
$229
This Booking.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 10/168:00 am -
1 stop6h 34m
Sat 10/177:00 am -
1 stop5h 29m
Deal found 9/22![Frontier logo]()
$230
Best flights from Ontario to Dallas/Fort WorthDiscover carefully curated flight deals from Ontario to Dallas/Fort Worth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
Discover carefully curated flight deals from Ontario to Dallas/Fort Worth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 11/41:35 pm -
1 stop5h 54m
Sat 11/712:34 pm -
2 stops12h 09m
Deal found 9/19![Delta logo]()
$362
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/311:05 pm -
1 stop7h 22m
Tue 1/57:30 am -
2 stops9h 57m
Deal found 9/20![United Airlines logo]()
$472
This Delta deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 11/911:57 am -
1 stop9h 56m
Fri 11/132:35 pm -
2 stops10h 25m
Deal found 9/22![Delta logo]()
$375
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/3111:52 pm -
1 stop7h 45m
Wed 1/612:17 pm -
2 stops10h 03m
Deal found 9/20![United Airlines logo]()
$472
This KAYAK deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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.
Fri 10/2311:56 am -
1 stop10h 01m
Thu 10/298:10 am -
1 stop6h 26m
Deal found 9/21![Delta logo]()
$436
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:10 am -
2 stops10h 49m
Tue 10/135:00 pm -
1 stop5h 58m
Deal found 9/18![United Airlines logo]()
$472
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/161:35 pm -
2 stops8h 23m
Thu 10/298:10 am -
2 stops11h 02m
Deal found 9/21![Delta logo]()
$473
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:52 pm -
1 stop6h 37m
Wed 10/215:15 am -
2 stops9h 31m
Deal found 9/19![United Airlines logo]()
$476
This Delta deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 10/69:45 am -
2 stops12h 37m
Tue 10/134:05 pm -
2 stops9h 50m
Deal found 9/22![Delta logo]()
$500
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/91:35 pm -
2 stops8h 23m
Mon 10/196:06 pm -
1 stop7h 49m
Deal found 9/19![Delta logo]()
$558
Last-minute flights from Ontario to Dallas/Fort WorthDiscover last-minute flight deals from Ontario to Dallas/Fort Worth. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Dallas/Fort Worth. Data last updated September 23, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2811:45 am -
1 stop24h 02m
Sat 10/248:27 pm -
1 stop5h 23m
Deal found 9/19![Frontier logo]()
$267
This Expedia deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:31 pm -
Nonstop3h 18m
Tue 10/132:39 pm -
1 stop11h 11m
Deal found 9/21![Frontier logo]()
$292
This Cheapflightsfares deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:04 am -
1 stop10h 55m
Sun 10/115:39 pm -
1 stop15h 25m
Deal found 9/19![Frontier logo]()
$305
This Frontier deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 9/307:11 pm -
Nonstop3h 08m
Tue 10/132:39 pm -
1 stop11h 11m
Deal found 9/21![Frontier logo]()
$307
This Booking.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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.
Thu 10/18:24 pm -
1 stop7h 17m
Sat 10/178:27 pm -
1 stop5h 23m
Deal found 9/20![Frontier logo]()
$271
This Booking.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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.
Thu 10/16:15 am -
1 stop5h 32m
Wed 10/147:00 am -
1 stop5h 29m
Deal found 9/21![Frontier logo]()
$306
This Booking.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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 10/35:31 pm -
Nonstop3h 18m
Wed 10/710:11 am -
1 stop27h 05m
Deal found 9/18![Frontier logo]()
$301
This Booking.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 10/311:45 am -
1 stop5h 39m
Sat 10/248:27 pm -
1 stop5h 23m
Deal found 9/22![Frontier logo]()
$302
This Cheapflightsfares deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:31 pm -
Nonstop3h 18m
Sat 10/108:20 pm -
1 stop25h 20m
Deal found 9/18![Frontier logo]()
$304
This Frontier deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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.
Sat 10/36:15 am -
1 stop11h 09m
Sun 10/1110:30 pm -
1 stop10h 34m
Deal found 9/20![Frontier logo]()
$309
One-way flights from Ontario to Dallas/Fort WorthSearch for one-way flight options from Ontario to Dallas/Fort Worth. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
Search for one-way flight options from Ontario to Dallas/Fort Worth. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This Super.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 11/28:35 pm -
1 stop6h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$127
This Frontier deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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.
Sat 10/176:15 am -
1 stop5h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$128
This Frontier deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:35 pm -
1 stop6h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 10/136:15 am -
2 stops31h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Frontier logo]()
$130
This Super.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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.
Sun 10/1112:01 pm -
1 stop15h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$131
This Booking.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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.
Sun 10/188:03 pm -
Nonstop2h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$134
This Jetabroad deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:03 pm -
Nonstop2h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$136
This Super.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 11/2410:40 pm -
1 stop4h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$137
This FlightHub deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:35 pm -
1 stop24h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$138
Find flight deals from Ontario to Dallas/Fort Worth
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Dallas/Fort Worth (DFW). 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 September 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $220 (Booking.com) |
One-way from | $127 (Super.com) |
Popular in | June |
Cheapest in | December |
Average price | $329 |
Good round-trip deal | $361 or less |
Good one-way deal | $190 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Dallas/Fort Worth 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 September 23, 2026.
Use the filters below to find and compare flights from Ontario to Dallas/Fort Worth Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioDallas
ONT Ontario - DFW Dallas/Fort Worth
ONTDFW
Ontario
Sat 10/10
1:35 pm-9:29 pm
1 stop5h 54m
Dallas/Fort Worth
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$179
OntarioDallas
ONT Ontario - DFW Dallas/Fort Worth
ONTDFW
Ontario
Sat 11/7
5:03 pm-8:53 am
2 stops13h 50m
Dallas/Fort Worth
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$184
OntarioDallas
ONT Ontario - DFW Dallas/Fort Worth
ONTDFW
Ontario
Wed 10/21
1:35 pm-9:29 pm
1 stop5h 54m
Dallas/Fort Worth
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$196
OntarioDallas
ONT Ontario - DFW Dallas/Fort Worth
ONTDFW
Ontario
Mon 12/21
1:05 pm-12:26 am
2 stops9h 21m
Dallas/Fort Worth
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$260
OntarioDallas
ONT Ontario - DFW Dallas/Fort Worth
ONTDFW
Ontario
Sun 10/18
11:56 am-11:57 pm
1 stop10h 01m
Dallas/Fort Worth
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$283
OntarioDallas
ONT Ontario - DFW Dallas/Fort Worth
ONTDFW
Ontario
Thu 10/8
11:56 am-11:57 pm
1 stop10h 01m
Dallas/Fort Worth
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$291
OntarioDallas
ONT Ontario - DFW Dallas/Fort Worth
ONTDFW
Ontario
Sun 10/4
11:54 am-11:44 pm
1 stop9h 50m
Dallas/Fort Worth
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$296
OntarioDallas
ONT Ontario - DFW Dallas/Fort Worth
ONTDFW
Ontario
Tue 10/6
6:20 am-9:29 pm
2 stops13h 09m
Dallas/Fort Worth
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$316
OntarioDallas
ONT Ontario - DFW Dallas/Fort Worth
ONTDFW
Ontario
Wed 9/30
6:00 am-9:00 pm
2 stops13h 00m
Dallas/Fort Worth
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$316
OntarioDallas
ONT Ontario - DFW Dallas/Fort Worth
ONTDFW
Ontario
Tue 9/29
9:52 am-11:57 pm
2 stops12h 05m
Dallas/Fort Worth
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$316
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Ontario to Dallas/Fort Worth
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Dallas/Fort Worth in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Dallas/Fort Worth Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Dallas/Fort Worth Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Dallas/Fort Worth Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Dallas/Fort Worth Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Dallas/Fort Worth Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to Dallas/Fort Worth
Have a flexible travel schedule? Discover the best time to fly to Dallas/Fort Worth from Ontario with our price prediction graph.
ONT-DFW
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/Fort Worth Airport
Prices
Airlines
Delays
How far ahead should I book a flight from Ontario to Dallas/Fort Worth Airport?
To ensure you get the cheapest price possible for a flight from Ontario to Dallas/Fort Worth Airport, you should look to book at least 46 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Ontario to Dallas/Fort Worth Airport?
Currently, December is the cheapest month in which you can book a flight from Ontario to Dallas/Fort Worth Airport (average of $269). Flying from Ontario to Dallas/Fort Worth Airport in June is currently the most expensive (average of $430). 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/Fort Worth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 23, 2026.
A simple way to save on the total cost of your ticket is to fly from Ontario to Dallas/Fort Worth Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 39% on your trip compared to booking a flight at noon.
What is the cheapest day to fly from Ontario to Dallas/Fort Worth Airport?
Use this chart to determine the cheapest time to fly round-trip from Ontario to Dallas/Fort Worth. Price data was last updated on September 19, 2026.
Travelers seeking maximum savings on their Ontario to Dallas/Fort Worth Airport flight should consider departing on Wednesday 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.
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 146 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 11% of flights being delayed.
The best insider tips for Ontario to Dallas/Fort Worth Airport 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/Fort Worth Airport trip
Our travel experts
Reviews of airlines servicing Dallas/Fort Worth
Get insights into the airlines that provide service to Dallas/Fort Worth. 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/Fort Worth. Reviews last updated September 23, 2026.
Read through reviews of airlines operating flights from Ontario to Dallas/Fort Worth Airport, such as Southwest,JetBlue, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
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/Fort Worth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Dallas/Fort Worth Airport?
Book flights to Dallas/Fort Worth Airport if you plan to visit one of these locationsFrisco
Fort Worth
Arlington
Rockwall
Plano
Richardson
Grapevine
Denton
Durant
Burleson
Garland
Lewisville
Mansfield
Hillsboro
Sherman
Canton
Corsicana
Stephenville
Corinth
Sulphur Springs
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Other flights to Dallas/Fort Worth
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Ontario and Dallas/Fort Worth flights
Browse other Ontario and Dallas/Fort Worth flight options. Last updated on September 23, 2026.
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Top 4 airlines flying from Ontario to Dallas/Fort Worth
Discover the top 4 airlines that operate flights from Ontario to Dallas/Fort Worth. 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 September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$113 | Average$270 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$148 | Average$305 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$204 | Average$434 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$221 | Average$424 | FlexibilityNo cancel fee | On-time71% |