$110+ Cheap flights from Dallas/Fort Worth (DFW) to Ontario (ONT)
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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — ONT
Nov 27 — Dec 41
Round-trip
1 adult, Economy
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Find cheap flights from Dallas/Fort Worth to Ontario 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 Dallas/Fort Worth to Ontario are usually found in February or January, booked 82 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday
Cheap flight deals from Dallas/Fort Worth to Ontario
Cheapest
Best
Last-minute
One-way
Cheapest flights from Dallas/Fort Worth to OntarioExplore the most affordable flight options available from Dallas/Fort Worth to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2026.
Explore the most affordable flight options available from Dallas/Fort Worth to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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 11/183:17 pm -
Nonstop3h 21m
Wed 11/256:08 pm -
Nonstop3h 07m
Deal found 10/27![Frontier logo]()
$191
This Frontier deal was found by Cheapflights users on 10/27. 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 11/135:47 pm -
Nonstop3h 21m
Thu 11/198:35 pm -
1 stop12h 20m
Deal found 10/27![Frontier logo]()
$192
This Mytrip deal was found by Cheapflights users on 10/27. 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 11/259:10 am -
2 stops7h 41m
Mon 11/302:01 pm -
1 stop18h 54m
Deal found 10/27![Frontier logo]()
$193
This CheapOair deal was found by Cheapflights users on 10/27. 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 11/195:47 pm -
Nonstop3h 21m
Fri 11/206:45 am -
1 stop24h 45m
Deal found 10/27![Frontier logo]()
$194
This CheapOair deal was found by Cheapflights users on 10/26. 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.
Fri 11/135:47 pm -
Nonstop3h 21m
Fri 11/206:08 pm -
Nonstop3h 07m
Deal found 10/26![Frontier logo]()
$196
This Mytrip deal was found by Cheapflights users on 10/27. 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 11/175:30 am -
1 stop12h 51m
Fri 11/2010:55 am -
2 stops20h 35m
Deal found 10/27![Frontier logo]()
$197
This CheapOair deal was found by Cheapflights users on 10/27. 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 11/143:17 pm -
Nonstop3h 21m
Fri 11/206:08 pm -
Nonstop3h 07m
Deal found 10/27![Frontier logo]()
$198
This Frontier deal was found by Cheapflights users on 10/27. 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 11/112:39 pm -
1 stop11h 12m
Thu 11/128:03 pm -
Nonstop3h 05m
Deal found 10/27![Frontier logo]()
$199
This Frontier deal was found by Cheapflights users on 10/24. 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 11/215:01 am -
Nonstop3h 19m
Sat 11/212:01 pm -
2 stops17h 29m
Deal found 10/24![Frontier logo]()
$200
This Frontier deal was found by Cheapflights users on 10/26. 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 11/265:01 am -
Nonstop3h 19m
Fri 11/2711:40 am -
1 stop10h 44m
Deal found 10/26![Frontier logo]()
$201
This Cheapflightsfares deal was found by Cheapflights users on 10/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:00 am -
1 stop5h 42m
Tue 11/105:33 pm -
Nonstop3h 14m
Deal found 10/23![Frontier logo]()
$202
This Super.com deal was found by Cheapflights users on 10/23. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:15 am -
1 stop7h 01m
Sat 11/145:33 pm -
Nonstop3h 14m
Deal found 10/23![Frontier logo]()
$203
Best flights from Dallas/Fort Worth to OntarioDiscover carefully curated flight deals from Dallas/Fort Worth to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2026.
Discover carefully curated flight deals from Dallas/Fort Worth to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2026.
This Delta deal was found by Cheapflights users on 10/25. 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 1/114:08 pm -
2 stops9h 50m
Wed 1/137:05 am -
1 stop7h 24m
Deal found 10/25![Delta logo]()
$322
This United Airlines deal was found by Cheapflights users on 10/27. 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 1/1312:10 pm -
2 stops9h 51m
Sun 1/175:00 am -
2 stops10h 49m
Deal found 10/27![United Airlines logo]()
$505
This KAYAK deal was found by Cheapflights users on 10/26. 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.
Mon 11/169:28 pm -
1 stop20h 51m
Thu 11/191:30 pm -
1 stop7h 18m
Deal found 10/26![American Airlines logo]()
$506
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/168:02 am -
2 stops11h 20m
Sun 1/1710:56 am -
1 stop28h 25m
Deal found 10/25![Alaska Airlines logo]()
$509
This Delta deal was found by Cheapflights users on 10/27. 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 1/56:30 am -
2 stops11h 57m
Sat 1/97:00 am -
2 stops12h 34m
Deal found 10/27![Delta logo]()
$327
This Delta deal was found by Cheapflights users on 10/27. 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 11/192:35 pm -
2 stops10h 25m
Sun 11/226:00 am -
1 stop5h 36m
Deal found 10/27![Delta logo]()
$336
This Delta deal was found by Cheapflights users on 10/24. 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 11/142:35 pm -
2 stops10h 25m
Sun 11/157:00 am -
2 stops12h 24m
Deal found 10/24![Delta logo]()
$395
This United Airlines deal was found by Cheapflights users on 10/24. 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 11/251:40 pm -
2 stops8h 35m
Mon 11/306:37 pm -
1 stop8h 57m
Deal found 10/24![United Airlines logo]()
$525
This Alaska Airlines deal was found by Cheapflights users on 10/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/166:00 am -
1 stop10h 47m
Sun 4/187:30 am -
1 stop7h 05m
Deal found 10/23![Alaska Airlines logo]()
$545
This Delta deal was found by Cheapflights users on 10/24. 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 11/104:10 pm -
2 stops9h 39m
Tue 11/171:15 pm -
1 stop6h 09m
Deal found 10/24![Delta logo]()
$484
This Delta deal was found by Cheapflights users on 10/26. 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 4/216:25 am -
2 stops11h 47m
Mon 4/2610:59 pm -
1 stop7h 57m
Deal found 10/26![Delta logo]()
$497
Last-minute flights from Dallas/Fort Worth to OntarioDiscover last-minute flight deals from Dallas/Fort Worth to Ontario. Data last updated October 28, 2026 and is based on user searches.
Discover last-minute flight deals from Dallas/Fort Worth to Ontario. Data last updated October 28, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 10/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:00 am -
1 stop5h 42m
Tue 11/105:33 pm -
Nonstop3h 14m
Deal found 10/23![Frontier logo]()
$202
This Super.com deal was found by Cheapflights users on 10/23. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:15 am -
1 stop7h 01m
Sat 11/145:33 pm -
Nonstop3h 14m
Deal found 10/23![Frontier logo]()
$203
This Frontier deal was found by Cheapflights users on 10/27. 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 11/135:47 pm -
Nonstop3h 21m
Thu 11/198:35 pm -
1 stop12h 20m
Deal found 10/27![Frontier logo]()
$192
This CheapOair deal was found by Cheapflights users on 10/26. 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.
Fri 11/135:47 pm -
Nonstop3h 21m
Fri 11/206:08 pm -
Nonstop3h 07m
Deal found 10/26![Frontier logo]()
$196
This Frontier deal was found by Cheapflights users on 10/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:15 am -
1 stop12h 06m
Mon 11/168:03 pm -
Nonstop3h 05m
Deal found 10/22![Frontier logo]()
$199
This Mytrip deal was found by Cheapflights users on 10/27. 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 11/175:30 am -
1 stop12h 51m
Fri 11/2010:55 am -
2 stops20h 35m
Deal found 10/27![Frontier logo]()
$197
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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 11/183:17 pm -
Nonstop3h 21m
Wed 11/256:08 pm -
Nonstop3h 07m
Deal found 10/27![Frontier logo]()
$191
This CheapOair deal was found by Cheapflights users on 10/27. 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 11/195:47 pm -
Nonstop3h 21m
Fri 11/206:45 am -
1 stop24h 45m
Deal found 10/27![Frontier logo]()
$194
This Mytrip deal was found by Cheapflights users on 10/27. 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 11/198:35 am -
2 stops17h 16m
Mon 11/2311:40 am -
1 stop10h 44m
Deal found 10/27![Frontier logo]()
$198
This Frontier deal was found by Cheapflights users on 10/25. 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 11/2110:54 pm -
1 stop11h 36m
Tue 12/18:00 am -
1 stop6h 07m
Deal found 10/25![Frontier logo]()
$200
This Mytrip deal was found by Cheapflights users on 10/27. 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 11/259:10 am -
2 stops7h 41m
Mon 11/302:01 pm -
1 stop18h 54m
Deal found 10/27![Frontier logo]()
$193
This Frontier deal was found by Cheapflights users on 10/26. 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 11/265:01 am -
Nonstop3h 19m
Fri 11/2711:40 am -
1 stop10h 44m
Deal found 10/26![Frontier logo]()
$201
One-way flights from Dallas/Fort Worth to OntarioSearch for one-way flight options from Dallas/Fort Worth to Ontario. Find affordable one-way fares based on user searches. Data last updated October 28, 2026.
Search for one-way flight options from Dallas/Fort Worth to Ontario. Find affordable one-way fares based on user searches. Data last updated October 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/23. 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.
Fri 12/47:28 am -
2 stops30h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Frontier logo]()
$110
This Super.com deal was found by Cheapflights users on 10/27. 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 11/255:01 am -
Nonstop3h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Frontier logo]()
$112
This Mytrip deal was found by Cheapflights users on 10/26. 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 11/197:10 am -
2 stops14h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$113
This CheapOair deal was found by Cheapflights users on 10/24. 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 11/215:01 am -
Nonstop3h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Frontier logo]()
$114
This Cheapflightsfares deal was found by Cheapflights users on 10/24. 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 11/238:54 pm -
1 stop13h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Frontier logo]()
$115
This Mytrip deal was found by Cheapflights users on 10/24. 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.
Mon 11/1610:01 pm -
2 stops20h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Frontier logo]()
$116
This Super.com deal was found by Cheapflights users on 10/27. 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 11/117:00 am -
1 stop5h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Frontier logo]()
$118
Find flight deals from Dallas/Fort Worth to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Dallas/Fort Worth (DFW) to Ontario (ONT). 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 October 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $191 (Super.com) |
One-way from | $110 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $337 |
Good round-trip deal | $311 or less |
Good one-way deal | $203 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Dallas/Fort Worth to Ontario 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 October 28, 2026.
Use the filters below to find and compare flights from Dallas/Fort Worth Airport to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DallasOntario
DFW Dallas/Fort Worth - ONT Ontario
DFWONT
Dallas/Fort Worth
Thu 11/26
5:30 am-11:03 am
1 stop7h 33m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$132
DallasOntario
DFW Dallas/Fort Worth - ONT Ontario
DFWONT
Dallas/Fort Worth
Tue 11/24
9:10 am-7:36 pm
2 stops12h 26m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$148
DallasOntario
DFW Dallas/Fort Worth - ONT Ontario
DFWONT
Dallas/Fort Worth
Sat 11/14
7:00 am-4:21 pm
2 stops11h 21m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$148
DallasOntario
DFW Dallas/Fort Worth - ONT Ontario
DFWONT
Dallas/Fort Worth
Sat 11/14
6:08 pm-10:16 pm
1 stop6h 08m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$159
Quickest round-trip
DallasOntario
DFW Dallas/Fort Worth - ONT Ontario
DFWONT
Dallas/Fort Worth
Thu 11/5
7:00 am-10:35 am
1 stop5h 35m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$160
DallasOntario
DFW Dallas/Fort Worth - ONT Ontario
DFWONT
Dallas/Fort Worth
Tue 11/10
3:16 pm-8:15 pm
1 stop6h 59m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$187
DallasOntario
DFW Dallas/Fort Worth - ONT Ontario
DFWONT
Dallas/Fort Worth
Wed 11/25
11:40 am-7:50 pm
2 stops10h 10m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$192
DallasOntario
DFW Dallas/Fort Worth - ONT Ontario
DFWONT
Dallas/Fort Worth
Sun 12/20
9:00 am-3:19 pm
1 stop8h 19m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$227
DallasOntario
DFW Dallas/Fort Worth - ONT Ontario
DFWONT
Dallas/Fort Worth
Fri 11/20
7:00 am-12:29 pm
1 stop7h 29m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$269
DallasOntario
DFW Dallas/Fort Worth - ONT Ontario
DFWONT
Dallas/Fort Worth
Mon 11/16
7:35 pm-8:51 pm
2 stops27h 16m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$273
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Dallas/Fort Worth to Ontario
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 Dallas/Fort Worth to Ontario in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 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*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Dallas/Fort Worth Airport-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dallas/Fort Worth Airport-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dallas/Fort Worth Airport-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Dallas/Fort Worth Airport-Ontario 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 Dallas/Fort Worth Airport-Ontario 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 Dallas/Fort Worth to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Dallas/Fort Worth with our price prediction graph.
DFW-ONT
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 Dallas/Fort Worth Airport to Ontario
Prices
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How far ahead should I book a flight from Dallas/Fort Worth Airport to Ontario?
The price you pay for your flight from Dallas/Fort Worth Airport to Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 81 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Dallas/Fort Worth Airport to Ontario?
Currently, February is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Ontario (average of $226). Flying from Dallas/Fort Worth Airport to Ontario in July is currently the most expensive (average of $371). 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 DFW to ONT?
Find hourly flight availability from Dallas/Fort Worth to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2026.
When flying from Dallas/Fort Worth Airport to Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 23% versus a flight in the morning.
What is the cheapest day to fly from Dallas/Fort Worth Airport to Ontario?
Use this chart to determine the cheapest time to fly round-trip from Dallas/Fort Worth to Ontario. Price data was last updated on October 24, 2026.
Travelers seeking maximum savings on their Dallas/Fort Worth Airport to Ontario flight should consider departing on Wednesday at noon 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.
What’s the top layover airport for flights from Dallas/Fort Worth Airport to Ontario?
Share of 1-stop round-trip flights from Dallas/Fort Worth Airport to Ontario chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 50% of 1-stop itineraries from Dallas/Fort Worth Airport to Ontario on Cheapflights.
What’s the cheapest layover airport for flights from Dallas/Fort Worth Airport to Ontario?
Average round-trip fare for 1-stop flights from Dallas/Fort Worth Airport to Ontario, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $326.
What’s the fastest layover option from Dallas/Fort Worth Airport to Ontario?
Shortest average travel time for 1-stop one-way flights from Dallas/Fort Worth Airport to Ontario, 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: 4h 45m.
Which airport typically offers the quickest layover for flights from Dallas/Fort Worth Airport to Ontario?
Average layover duration for 1-stop one-way flights from Dallas/Fort Worth Airport to Ontario, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 1h 30m.
The best insider tips for Dallas/Fort Worth Airport to Ontario 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 Dallas/Fort Worth Airport to Ontario trip
Our travel experts
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated October 28, 2026.
Read through reviews of airlines operating flights from Dallas/Fort Worth Airport to Ontario, such as Southwest,American Airlines, andFrontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.4
Crew
8.6
Overall
7.9
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.4
Crew
8.6
Overall
7.9
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.4
Crew
8.6
Overall
7.9
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.4
Crew
8.6
Overall
7.9
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Related info for your journey
Find useful and relevant information for your journey from Dallas/Fort Worth to Ontario. 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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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Dallas/Fort Worth to Ontario
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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Dallas/Fort Worth to Ontario by cabin class
Find flights from Dallas/Fort Worth to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 28, 2026.
Dallas/Fort Worth and Ontario flights
Browse other Dallas/Fort Worth and Ontario flight options. Last updated on October 28, 2026.
Other flights from Dallas/Fort Worth
Browse through other flights departing from Dallas/Fort Worth. Flights are based on user searches made on Cheapflights and were last updated on October 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Dallas/Fort Worth to Ontario
Discover the top 3 airlines that operate flights from Dallas/Fort Worth to Ontario. 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 October 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$93 | Average$271 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$214 | Average$403 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$244 | Average$422 | FlexibilityNo cancel fee | On-time63% |