Direct (non-stop) flights Denver (DEN) - Ontario (ONT)

3 airline(s) operate this direct flight, which has a flight time of 2h 35min

Direct (non-stop) flights Denver (DEN) - Ontario (ONT) – Ecofly
DEN
Denver International Airport
ONT
Ontario International Airport
Depart
Return
1, Economy
1, Economy
Search flights
route-map
United States
DEN Denver
route-path
United States
ONT Ontario

Distance 823 miles (1323 km)

Flight time 2h 35min

Flight time 2h 35min

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

Frontier Airlines low cost airline

Su
Mo
Tu
We
Th
Fr
Sa

low cost airline

2 daily flights

United Airlines

United Airlines

Su
Mo
Tu
We
Th
Fr
Sa

2 daily flights

Southwest Airlines

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
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
Frontier Airlines
F9 975
Su
15:09
Mo
Tu
We
15:09
Th
15:10
Fr
15:09
Sa
15:06
Frontier Airlines
Frontier Airlines
F9 979
Su
Mo
22:30
Tu
23:10
We
Th
Fr
Sa
United Airlines
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
United Airlines
UA 336
Su
Mo
19:17
Tu
19:17
We
Th
Fr
Sa
United Airlines
United Airlines
UA 451
Su
19:20
Mo
Tu
We
19:20
Th
19:20
Fr
19:20
Sa
19:20
Southwest Airlines
Southwest Airlines
WN 1909
Su
Mo
Tu
06:10
We
Th
Fr
Sa
Southwest Airlines
Southwest Airlines
WN 3018
Su
Mo
08:05
Tu
We
Th
Fr
Sa
Southwest Airlines
Southwest Airlines
WN 397
Su
Mo
Tu
We
08:30
Th
Fr
Sa
Southwest Airlines
Southwest Airlines
WN 1277
Su
08:30
Mo
Tu
We
Th
Fr
Sa
Southwest Airlines
Southwest Airlines
WN 1256
Su
Mo
Tu
We
Th
08:55
Fr
08:55
Sa
11:15
Southwest Airlines
Southwest Airlines
WN 3591
Su
Mo
12:45
Tu
We
13:45
Th
Fr
Sa
Southwest Airlines
Southwest Airlines
WN 1181
Su
Mo
Tu
13:35
We
Th
Fr
Sa
Southwest Airlines
Southwest Airlines
WN 586
Su
15:40
Mo
Tu
We
Th
Fr
Sa
Southwest Airlines
Southwest Airlines
WN 2158
Su
Mo
Tu
We
16:45
Th
Fr
Sa
Southwest Airlines
Southwest Airlines
WN 3022
Su
Mo
Tu
We
Th
17:10
Fr
17:10
Sa
Southwest Airlines
Southwest Airlines
WN 1044
Su
Mo
Tu
18:40
We
Th
Fr
Sa
Southwest Airlines
Southwest Airlines
WN 1433
Su
Mo
Tu
We
Th
Fr
Sa
19:15
Southwest Airlines
Southwest Airlines
WN 2896
Su
Mo
19:45
Tu
We
Th
Fr
Sa
Southwest Airlines
Southwest Airlines
WN 961
Su
Mo
23:00
Tu
We
21:35
Th
Fr
Sa
Southwest Airlines
Southwest Airlines
WN 1507
Su
Mo
Tu
21:50
We
Th
Fr
Sa
Southwest Airlines
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.

€211 Approximately

€185 Jan
€149 Feb
€157 Mar
€170 Apr
€222 May
€148 Jun
€128 Jul
€128 Aug
€128 Sep
€270 Oct
€411 Nov
€436 Dec

Approximate costs for flights between Denver International Airport (DEN) and Ontario International Airport (ONT)

Denver International Airport

Departing from Denver International Airport (DEN)

Denver International (DEN) ranks as the third largest airport in the United States.

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Ontario International Airport

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Arriving to Ontario International Airport (ONT)

Ontario International Airport (ONT) is a larger airport in the United States.

Show all flights from ONT →

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The aircraft types servicing this route

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

    A320neo

    Frontier Airlines
    186 seats (all economy)
  • Airbus A319

    Airbus A319

    United Airlines
    126 seats (all economy)
  • Airbus A320

    Airbus A320

    United Airlines
    150 seats (all economy)
  • Boeing 737-900 Passenger

    Boeing 737-900 Passenger

    United Airlines
    179 seats (all economy)
  • Boeing 737-700 (winglets) Passenger/BBJ1

    Boeing 737-700 (winglets) Passenger/BBJ1

    Southwest Airlines
    143 seats (all economy)
  • Boeing 737-800 (winglets) Passenger/BBJ2

    Boeing 737-800 (winglets) Passenger/BBJ2

    Southwest Airlines
    175 seats (all economy)
  • Boeing 737-800 Passenger

    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.

  • ticket

    Cheapest flight found

    128€
  • clock

    Average flight time

    2:35 h
  • checkmark-calendar

    Cheapest month for a flight

    July
  • send

    Most popular airline

    Frontier Airlines
  • regular-calendar

    Flights per week

    21

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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