ONT offers a smooth security process with checkpoints in both terminals, often quicker than larger airports like LAX.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $138 (Kiwi.com) |
One-way from | $59 (Trip.com) |
Popular in | November |
Cheapest in | April |
Average price | $264 |
Good round-trip deal | $258 or less |
Good one-way deal | $178 or less |
Fly from
Fly to
Route
Depart
Return
Price
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Tue 1/6
4:04 pm-3:11 pm
1 stop21h 07m
Dallas/Fort Worth
Fri 1/30
10:55 am-12:20 am
1 stop15h 25m
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Thu 1/29
2:06 pm-7:11 pm
Nonstop3h 05m
Dallas/Fort Worth
Sun 2/1
2:59 pm-4:26 pm
Nonstop3h 27m
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Fri 2/27
9:43 pm-5:47 am
1 stop6h 04m
Dallas/Fort Worth
Sun 3/1
1:00 pm-2:29 pm
Nonstop3h 29m
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Tue 1/6
4:04 pm-5:13 pm
1 stop23h 09m
Dallas/Fort Worth
Thu 1/8
2:42 pm-7:22 pm
1 stop6h 40m
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Sun 1/11
7:19 pm-12:53 pm
2 stops15h 34m
Dallas/Fort Worth
Tue 1/13
10:31 pm-5:54 pm
1 stop21h 23m
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Sat 1/24
7:30 am-9:16 pm
2 stops11h 46m
Dallas/Fort Worth
Sat 1/31
12:30 pm-10:51 pm
2 stops12h 21m
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Tue 2/10
11:53 am-11:58 pm
1 stop10h 05m
Dallas/Fort Worth
Wed 2/18
5:39 pm-11:52 pm
1 stop8h 13m
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Thu 1/8
6:00 am-1:41 pm
1 stop5h 41m
Dallas/Fort Worth
Mon 1/12
6:45 am-4:12 pm
2 stops11h 27m
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Thu 1/22
10:30 pm-10:46 am
1 stop10h 16m
Dallas/Fort Worth
Mon 1/26
2:41 pm-10:51 pm
2 stops10h 10m
OntarioDallas
ONT - DFW
ONTDFW
Ontario
Sat 2/7
7:16 am-12:15 pm
Nonstop2h 59m
| 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 |
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.
Currently, January is the cheapest month in which you can book a flight from Ontario to Dallas/Fort Worth Airport (average of $66). Flying from Ontario to Dallas/Fort Worth Airport in July 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.
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 43% on your trip compared to booking a flight in the morning.
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.
About 14% of weekly flights between Ontario and Dallas have experienced delays in the past year, with the average delay time being 145 minutes.
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.
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.
Over the last year, American Airlines have had the lowest number of delays on this route, with just 14% of flights being delayed.
Denver (DEN) – chosen by Cheapflights users on 60% of 1-stop itineraries from Ontario to Dallas/Fort Worth Airport on Cheapflights.
Las Vegas (LAS) is the most affordable 1-stop option, with an average round-trip price of $185.
Flights via Las Vegas (LAS) have the shortest average one-way travel time for 1-stop routes: 5h 32m.
Flights via Las Vegas (LAS) offer the fastest connection on this route, with an average layover time of 1h 13m.
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Art,Dec 2025
SAN - OGG
Boarding
Food
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Art,Dec 2025
SAN - OGG
Boarding
Food
Entertainment
Crew
Comfort
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Reviews
Art,Dec 2025
SAN - OGG
Boarding
Food
Entertainment
Crew
Comfort
Overall
Reviews
Art,Dec 2025
SAN - OGG
Boarding
Food
Entertainment
Crew
Comfort
Overall
Reviews
Art,Dec 2025
SAN - OGG
Boarding
Food
Entertainment
Crew
Comfort
Overall
Reviews
Art,Dec 2025
SAN - OGG
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$175 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$88 | Average$187 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$153 | Average$437 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$161 | Average$306 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$185 | Average$330 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$225 | Average$267 | FlexibilityNo cancel fee | On-time75% |