Airlines with Direct Flights from Denver to Ontario
If you're planning a trip from Denver, Colorado, to Ontario, California, you'll be pleased to know that several airlines offer
direct flights between Denver International Airport (DEN) and Ontario International Airport (ONT).
Direct flights provide convenience and time-saving benefits, as they eliminate the need for layovers or connecting flights.
Southwest Airlines
Southwest Airlines is one of the major carriers that operate direct flights between Denver and Ontario.
With its reputation for affordable fares and friendly service, Southwest offers multiple daily flights on this popular route.
United Airlines
United Airlines is another well-known airline that provides non-stop service between Denver and Ontario.
As one of the largest airlines globally, United offers a wide range of flights, ensuring flexibility for travelers.
Frontier Airlines
Frontier Airlines is a low-cost carrier that operates several direct flights between Denver and Ontario.
Known for its affordable fares and optional add-ons, Frontier presents a budget-friendly option for those traveling on a tight budget.
Allegiant Air
Allegiant Air offers direct flights between Denver and Ontario, catering to leisure travelers seeking convenient and affordable travel options.
With its focus on providing non-stop service to popular destinations, Allegiant Air attracts budget-minded passengers.
Delta Air Lines
Although not as frequent as the other mentioned airlines, Delta Air Lines operates select direct flights between Denver and Ontario.
Delta, one of the major U.S. carriers, offers passengers a comfortable and reliable flying experience.
When planning your trip from Denver to Ontario, remember to check the official websites of these airlines for schedules, fares, and any potential updates regarding the flights.
Each airline has its unique perks and services, allowing you to choose the option that best suits your preferences and budget.
Enjoy a hassle-free journey with direct flights, and make the most of your time exploring the exciting destinations of Denver and Ontario!
Frontier Airlines
low cost airline
Su
Mo
Tu
We
Th
Fr
Sa
low cost airline
2 daily flights
United Airlines
Su
Mo
Tu
We
Th
Fr
Sa
2 daily flights
Southwest Airlines
low cost airline
Su
Mo
Tu
We
Th
Fr
Sa
low cost airline
2-4 daily flights
Direct Flights Schedule
Airline
Flight
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Frontier Airlines
F9 977
Su
22:06
Mo
10:25
Tu
10:25
We
22:06
Th
22:06
Fr
22:06
Sa
22:06
Frontier Airlines
F9 975
Su
15:09
Mo
—
Tu
—
We
15:09
Th
15:10
Fr
15:09
Sa
15:06
Frontier Airlines
F9 979
Su
—
Mo
22:30
Tu
23:10
We
—
Th
—
Fr
—
Sa
—
United Airlines
UA 430
Su
11:15
Mo
11:15
Tu
11:15
We
11:15
Th
11:15
Fr
11:15
Sa
11:15
United Airlines
UA 336
Su
—
Mo
19:17
Tu
19:17
We
—
Th
—
Fr
—
Sa
—
United Airlines
UA 451
Su
19:20
Mo
—
Tu
—
We
19:20
Th
19:20
Fr
19:20
Sa
19:20
Southwest Airlines
WN 1909
Su
—
Mo
—
Tu
06:10
We
—
Th
—
Fr
—
Sa
—
Southwest Airlines
WN 3018
Su
—
Mo
08:05
Tu
—
We
—
Th
—
Fr
—
Sa
—
Southwest Airlines
WN 397
Su
—
Mo
—
Tu
—
We
08:30
Th
—
Fr
—
Sa
—
Southwest Airlines
WN 1277
Su
08:30
Mo
—
Tu
—
We
—
Th
—
Fr
—
Sa
—
Southwest Airlines
WN 1256
Su
—
Mo
—
Tu
—
We
—
Th
08:55
Fr
08:55
Sa
11:15
Southwest Airlines
WN 3591
Su
—
Mo
12:45
Tu
—
We
13:45
Th
—
Fr
—
Sa
—
Southwest Airlines
WN 1181
Su
—
Mo
—
Tu
13:35
We
—
Th
—
Fr
—
Sa
—
Southwest Airlines
WN 586
Su
15:40
Mo
—
Tu
—
We
—
Th
—
Fr
—
Sa
—
Southwest Airlines
WN 2158
Su
—
Mo
—
Tu
—
We
16:45
Th
—
Fr
—
Sa
—
Southwest Airlines
WN 3022
Su
—
Mo
—
Tu
—
We
—
Th
17:10
Fr
17:10
Sa
—
Southwest Airlines
WN 1044
Su
—
Mo
—
Tu
18:40
We
—
Th
—
Fr
—
Sa
—
Southwest Airlines
WN 1433
Su
—
Mo
—
Tu
—
We
—
Th
—
Fr
—
Sa
19:15
Southwest Airlines
WN 2896
Su
—
Mo
19:45
Tu
—
We
—
Th
—
Fr
—
Sa
—
Southwest Airlines
WN 961
Su
—
Mo
23:00
Tu
—
We
21:35
Th
—
Fr
—
Sa
—
Southwest Airlines
WN 1507
Su
—
Mo
—
Tu
21:50
We
—
Th
—
Fr
—
Sa
—
Southwest Airlines
WN 1795
Su
22:15
Mo
—
Tu
—
We
—
Th
21:50
Fr
21:50
Sa
—
Direct flight fare trends between Denver and Ontario
If you're in pursuit of the most economical travel option, consider a non-stop flight route from Denver International Airport to Ontario International Airport, where fares can dip as low as 125€, especially during the budget-friendly month of July. These fare averages for direct journeys connecting Denver International Airport (DEN) and Ontario International Airport (ONT) are computed based on real-time user inquiries, utilizing the lowest monthly ticket prices available for round-trip adult fares. Keep in mind that the presented prices are subject to variation depending on the depth of data accessible for this specific route.
For travelers with an eye for savings, this is an opportunity not to be missed. Booking your non-stop flight during July could mean substantial savings, with the chance to secure fares as attractive as 125€. These figures represent the culmination of countless user searches, with our calculations hinging on the lowest monthly round-trip rates for adult passengers. It's essential to acknowledge the potential for price fluctuations based on the data richness concerning this specific flight path.
€211Approximately
€185Jan
€149Feb
€157Mar
€170Apr
€222May
€148Jun
€128Jul
€128Aug
€128Sep
€270Oct
€411Nov
€436Dec
Approximate costs for flights between Denver International Airport (DEN) and Ontario International Airport (ONT)
Departing from Denver International Airport (DEN)
Denver International (DEN) ranks as the third largest airport in the United States.
Below, you'll find an all-encompassing catalog of the various aircraft varieties used on this particular route, complete with details about their passenger capacity and the classes they offer.
A320neo
Frontier Airlines
186 seats(all economy)
Airbus A319
United Airlines
126 seats(all economy)
Airbus A320
United Airlines
150 seats(all economy)
Boeing 737-900 Passenger
United Airlines
179 seats(all economy)
Boeing 737-700 (winglets) Passenger/BBJ1
Southwest Airlines
143 seats(all economy)
Boeing 737-800 (winglets) Passenger/BBJ2
Southwest Airlines
175 seats(all economy)
Boeing 737-800 Passenger
Southwest Airlines
155 seats(all economy)
Denver (DEN) - Ontario (ONT) : Flight information
We've compiled a comprehensive summary of the pivotal particulars for this flight.
Cheapest flight found
128€
Average flight time
2:35 h
Cheapest month for a flight
July
Most popular airline
Frontier Airlines
Flights per week
21
Domestic flights most in demand from Denver International Airport
FAQ about direct flights from Denver International Airport to Ontario International Airport
How many hours does it take to fly from Denver International Airport to Ontario International Airport?
On average, flights between Denver International Airport and Ontario International Airport have a typical duration of 2h 35min.
How many airlines offer nonstop flights between Denver and Ontario?
There are 3 airlines that offer nonstop flights to Ontario International Airport (ONT). These airlines, including Frontier Airlines, United Airlines, Southwest Airline, provide convenient and direct travel options for passengers looking to reach their destination swiftly without layovers.
What is the average price of airfare from Denver to Ontario?
You'll discover the lowest fare for a direct flight between Denver International Airport and Ontario International Airport at just 125€, and this budget-friendly rate is usually up for grabs during July. Conversely, as we head into December, flight prices tend to ascend, reaching an average of 428€ for a non-stop journey.
Which airline is the most popular on this route?
Frontier Airlines is the most popular airline for flights between Denver to Ontario.
What's the total flying distance from Denver to Ontario?
The approximate distance between Denver and Ontario is about 1323 kilometers.
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