ONT offers a smooth security process with checkpoints in both terminals, often quicker than larger airports like LAX.
$65+ Cheap flights from Ontario (ONT) to Dallas/Fort Worth (DFW)
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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DFW
Feb 13 — Feb 201
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 April or March, booked 86 days in advance, depart on a Thursday or Saturday and return on a Thursday
Cheap 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 January 14, 2026.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $132 (Kiwi.com) |
One-way from | $65 (CheapOair) |
Popular in | November |
Cheapest in | April |
Average price | $269 |
Good round-trip deal | $273 or less |
Good one-way deal | $162 or less |
Find flight deals from Ontario to Dallas/Fort Worth
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 January 14, 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 January 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/267:22 pm
ONT
- DFW
1 stop8h 25m
Frontier
Tue 3/105:17 pm
DFW
- ONT
1 stop8h 42m
Frontier
Deal found 1/12![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/146:39 pm
ONT
- DFW
Nonstop2h 55m
Frontier
Wed 3/185:17 pm
DFW
- ONT
1 stop8h 42m
Frontier
Deal found 1/12![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/279:43 pm
ONT
- DFW
1 stop6h 04m
Frontier
Wed 3/115:17 pm
DFW
- ONT
1 stop8h 42m
Frontier
Deal found 1/12![Frontier logo]()
$135
This Cheapflightsfares deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/165:20 pm
ONT
- DFW
Nonstop3h 00m
Frontier
Wed 3/182:48 pm
DFW
- ONT
Nonstop3h 27m
Frontier
Deal found 1/13![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/127:22 pm
ONT
- DFW
1 stop8h 25m
Frontier
Fri 2/207:15 pm
DFW
- ONT
Nonstop3h 33m
Frontier
Deal found 1/14![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/56:20 am
ONT
- DFW
1 stop11h 01m
Frontier
Sun 2/89:59 pm
DFW
- ONT
1 stop23h 11m
Frontier
Deal found 1/12![Frontier logo]()
$139
This Frontier deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/23:36 pm
ONT
- DFW
Nonstop3h 00m
Frontier
Mon 2/912:55 pm
DFW
- ONT
Nonstop3h 32m
Frontier
Deal found 1/12![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/272:21 pm
ONT
- DFW
Nonstop3h 05m
Frontier
Mon 3/96:43 pm
DFW
- ONT
1 stop7h 16m
Frontier
Deal found 1/12![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/132:21 pm
ONT
- DFW
Nonstop3h 05m
Frontier
Fri 2/207:11 pm
DFW
- ONT
1 stop6h 48m
Frontier
Deal found 1/13![Frontier logo]()
$142
This Frontier deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/122:06 pm
ONT
- DFW
Nonstop3h 05m
Frontier
Sun 2/221:00 pm
DFW
- ONT
Nonstop3h 29m
Frontier
Deal found 1/13![Frontier logo]()
$143
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 2,558,603 searches. Data last updated January 14, 2026.
Use the filters below to find and compare flights from Ontario to Dallas/Fort Worth Airport that are best for you.
Fly from
Ontario
Fly to
Dallas/Fort Worth
Route
Depart
Return
Price
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Sat 2/7
10:30 pm-9:01 am
1 stop8h 31m
Dallas/Fort Worth
Wed 2/11
6:45 am-4:15 pm
2 stops11h 30m
$224
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Wed 2/18
1:15 pm-12:19 am
1 stop9h 04m
Dallas/Fort Worth
Tue 2/24
6:02 pm-11:49 pm
1 stop7h 47m
$237
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Sat 2/14
1:10 pm-9:11 pm
1 stop6h 01m
Dallas/Fort Worth
Tue 2/24
12:30 pm-4:02 pm
1 stop5h 32m
$237
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Tue 2/10
12:41 pm-12:27 am
1 stop9h 46m
Dallas/Fort Worth
Tue 2/17
6:02 pm-11:49 pm
1 stop7h 47m
$238
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Wed 2/11
5:10 pm-8:59 am
2 stops13h 49m
Dallas/Fort Worth
Wed 2/18
5:22 am-12:02 pm
1 stop8h 40m
$243
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Sat 2/14
6:00 am-1:36 pm
1 stop5h 36m
Dallas/Fort Worth
Fri 2/20
5:22 am-12:02 pm
1 stop8h 40m
$243
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Tue 2/24
1:10 pm-11:54 pm
2 stops8h 44m
Dallas/Fort Worth
Sat 2/28
12:30 pm-10:37 pm
2 stops12h 07m
$248
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Fri 2/27
6:00 am-1:41 pm
1 stop5h 41m
Dallas/Fort Worth
Wed 3/4
12:30 pm-4:02 pm
1 stop5h 32m
$263
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Sat 2/28
1:10 pm-9:11 pm
1 stop6h 01m
Dallas/Fort Worth
Mon 3/2
12:30 pm-4:02 pm
1 stop5h 32m
$263
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Tue 2/17
10:20 pm-8:59 am
1 stop8h 39m
Dallas/Fort Worth
Mon 2/23
6:02 pm-11:49 pm
1 stop7h 47m
$263
Showing 1-10 of 22 results
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 January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Ontario-Dallas/Fort Worth Airport flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Ontario-Dallas/Fort Worth Airport flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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.
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
More
How far ahead should I book a flight from Ontario to Dallas/Fort Worth Airport?
Use this chart to determine the optimal time to book a round-trip flight from Ontario to Dallas/Fort Worth. Price data was last updated on January 9, 2026.
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 86 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, March is the cheapest month in which you can book a flight from Ontario to Dallas/Fort Worth Airport (average of $76). Flying from Ontario to Dallas/Fort Worth Airport in June is currently the most expensive (average of $109). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ONT to DFW?
Find hourly flight availability from Ontario to Dallas/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 January 14, 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 45% on your trip compared to booking a flight in the morning.
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 January 10, 2026.
Travelers seeking maximum savings on their Ontario to Dallas/Fort Worth Airport flight should consider departing on Thursday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Ontario to Dallas delayed?
About 14% of weekly flights between Ontario and Dallas have experienced delays in the past year, with the average delay time being 145 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 14% of flights being delayed.
What’s the top layover airport for flights from Ontario to Dallas/Fort Worth Airport?
Share of 1-stop round-trip flights from Ontario to Dallas/Fort Worth Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 60% of 1-stop itineraries from Ontario to Dallas/Fort Worth Airport on Cheapflights.
What’s the cheapest layover airport for flights from Ontario to Dallas/Fort Worth Airport?
Average round-trip fare for 1-stop flights from Ontario to Dallas/Fort Worth Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Las Vegas (LAS) is the most affordable 1-stop option, with an average round-trip price of $185.
What’s the fastest layover option from Ontario to Dallas/Fort Worth Airport?
Shortest average travel time for 1-stop one-way flights from Ontario to Dallas/Fort Worth Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Las Vegas (LAS) have the shortest average one-way travel time for 1-stop routes: 5h 32m.
Which airport typically offers the quickest layover for flights from Ontario to Dallas/Fort Worth Airport?
Average layover duration for 1-stop one-way flights from Ontario to Dallas/Fort Worth Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Las Vegas (LAS) offer the fastest connection on this route, with an average layover time of 1h 13m.
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
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 January 14, 2026.
Read through reviews of airlines operating flights from Ontario to Dallas/Fort Worth Airport, such as Alaska Airlines, Southwest, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.1
Comfort
7.8
Overall
8.0
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.1
Comfort
7.8
Overall
8.0
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.1
Comfort
7.8
Overall
8.0
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.1
Comfort
7.8
Overall
8.0
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.1
Comfort
7.8
Overall
8.0
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.1
Comfort
7.8
Overall
8.0
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
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 locationsFort Worth
Arlington
Rockwall
Allen
Garland
Frisco
Mansfield
Plano
Cedar Hill
Richardson
Denton
McKinney
Grapevine
Durant
Burleson
Weatherford
Sherman
Granbury
Cleburne
Sunnyvale
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Ontario to Dallas/Fort Worth
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from Ontario to Dallas/Fort Worth
Discover the top 6 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 2,558,603 searches. Data last updated January 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$86 | Average$188 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$103 | Average$175 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$159 | Average$313 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$182 | Average$329 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$225 | Average$267 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$297 | Average$437 | FlexibilityNo cancel fee | On-timeN/A |