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 | $125 (Frontier) |
One-way from | $55 (Super.com) |
Popular in | November |
Cheapest in | April |
Average price | $291 |
Good round-trip deal | $267 or less |
Good one-way deal | $162 or less |
Fly from
Fly to
Route
Depart
Return
Price
OntarioDallas
ONT - DFW
ONTDFW
Ontario
vie. 12/5
10:25 pm-9:05 am
1 stop8h 40m
Dallas/Fort Worth
sáb. 12/6
4:27 pm-10:47 pm
1 stop8h 20m
OntarioDallas
ONT - DFW
ONTDFW
Ontario
vie. 12/5
4:49 pm-9:05 am
2 stops14h 16m
Dallas/Fort Worth
dom. 12/7
5:19 am-11:02 am
1 stop7h 43m
OntarioDallas
ONT - DFW
ONTDFW
Ontario
jue. 12/11
12:40 pm-11:50 pm
1 stop9h 10m
Dallas/Fort Worth
sáb. 12/13
12:35 pm-10:47 pm
2 stops12h 12m
OntarioDallas
ONT - DFW
ONTDFW
Ontario
lun. 12/8
6:40 am-10:04 pm
2 stops13h 24m
Dallas/Fort Worth
mié. 12/10
12:35 pm-4:09 pm
1 stop5h 34m
OntarioDallas
ONT - DFW
ONTDFW
Ontario
lun. 2/2
10:30 pm-9:01 am
1 stop8h 31m
Dallas/Fort Worth
mié. 2/4
2:41 pm-10:29 pm
2 stops9h 48m
OntarioDallas
ONT - DFW
ONTDFW
Ontario
vie. 2/27
6:14 am-6:27 pm
1 stop10h 13m
Dallas/Fort Worth
dom. 3/1
6:00 am-3:08 pm
1 stop11h 08m
OntarioDallas
ONT - DFW
ONTDFW
Ontario
jue. 1/8
1:10 pm-9:16 pm
1 stop6h 06m
Dallas/Fort Worth
lun. 1/12
2:59 pm-10:38 pm
2 stops9h 39m
OntarioDallas
ONT - DFW
ONTDFW
Ontario
mar. 12/9
12:13 pm-11:58 pm
1 stop9h 45m
Dallas/Fort Worth
jue. 12/11
10:00 am-6:33 pm
1 stop10h 33m
OntarioDallas
ONT - DFW
ONTDFW
Ontario
vie. 12/12
6:00 am-3:40 pm
1 stop7h 40m
Dallas/Fort Worth
dom. 12/14
7:40 am-8:03 pm
2 stops14h 23m
OntarioDallas
ONT - DFW
ONTDFW
Ontario
mié. 12/3
4:49 pm-9:05 am
2 stops14h 16m
Dallas/Fort Worth
vie. 12/12
4:05 pm-11:58 pm
2 stops9h 53m
| 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| 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 48 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, 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 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. Sunday mornings 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.
Saturday 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 13% 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.
Flights via Las Vegas (LAS) have the shortest average one-way travel time for 1-stop routes: 5h 32m.
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.
Comfort
Crew
Entertainment
Food
Boarding
Overall
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Crew
Entertainment
Food
Boarding
Overall
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Crew
Entertainment
Food
Boarding
Overall
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Crew
Entertainment
Food
Boarding
Overall
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Crew
Entertainment
Food
Boarding
Overall
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Crew
Entertainment
Food
Boarding
Overall
Reviews
Hannah,Aug 2025
SFO - SAN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$175 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$89 | Average$189 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$153 | Average$472 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$161 | Average$305 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$183 | Average$333 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$225 | Average$267 | FlexibilityNo cancel fee | On-time75% |