Delta Air Lines Inc. Ontario to Denver Flights

Return flight: Denver – Ontario
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Cheapflightsplus.com will find cheap Delta Air Lines Inc. flights from Ontario to Denver. Compare airline ticket prices and book air tickets starting from $69 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of Delta Air Lines Inc., arrivals and departure details below.

Find Cheap Airfare Ontario (CA) — Denver (CO) by Delta Air Lines Inc.

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in january: one-way - $69, two-way – $118.
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Cheap Flights from Ontario to Denver by Delta Air Lines Inc.

Look at the list of plane tickets for the most connecting flights by Delta Air Lines Inc., their prices start from $69. There’re no direct flights. The fastest connecting flight – 4h 10m.
Price Departure Arrival Flight Time Airline Flight
from $69
Find flight
6:00 am
Ontario
Ontario Int.
 11:14 am
Denver
Denver International
 4h 14m
layover
0h 43m - Salt Lake City
 Delta Air Lines Inc.
DL2153
DL3698
from $90
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5:00 pm
Ontario
Ontario Int.
 10:14 pm
Denver
Denver International
 4h 14m
layover
0h 51m - Salt Lake City
 Delta Air Lines Inc.
DL5767
DL724
from $134
Find flight
10:28 am
Ontario
Ontario Int.
 3:38 pm
Denver
Denver International
 4h 10m
layover
0h 55m - Salt Lake City
 Delta Air Lines Inc.
DL4753
DL718
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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 01/15/2025
Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.
Departure Arrival Flight Details Flight Time Price
10:28 am — 3:38 pm
10:28 am — 1:15 pm DL4753 Delta Air Lines Inc.
Ontario — Salt Lake City
55m stop
2:10 pm — 3:38 pm DL718 Delta Air Lines Inc.
Salt Lake City — Denver
4h 10m
including layover
Find flight
from$134
10:28 am — 10:14 pm
10:28 am — 1:15 pm DL4753 Delta Air Lines Inc.
Ontario — Salt Lake City
7h 21m stop
8:36 pm — 10:14 pm DL724 Delta Air Lines Inc.
Salt Lake City — Denver
10h 46m
including layover
Find flight
from$189
5:00 pm — 10:14 pm
5:00 pm — 7:45 pm DL5767 Delta Air Lines Inc.
Ontario — Salt Lake City
51m stop
8:36 pm — 10:14 pm DL724 Delta Air Lines Inc.
Salt Lake City — Denver
4h 14m
including layover
Find flight
from$90
5:00 pm — 8:20 am
+1 day
5:00 pm — 7:45 pm DL5767 Delta Air Lines Inc.
Ontario — Salt Lake City
11h stop
6:45 am — 8:20 am DL4450 Delta Air Lines Inc.
Salt Lake City — Denver
14h 20m
including layover
Find flight
from$189
6:00 am — 11:14 am
6:00 am — 8:52 am DL2153 Delta Air Lines Inc.
Ontario — Salt Lake City
43m stop
9:35 am — 11:14 am DL3698 Delta Air Lines Inc.
Salt Lake City — Denver
4h 14m
including layover
Find flight
from$69
6:00 am — 12:54 pm
6:00 am — 8:52 am DL2153 Delta Air Lines Inc.
Ontario — Salt Lake City
2h 28m stop
11:20 am — 12:54 pm DL3971 Delta Air Lines Inc.
Salt Lake City — Denver
5h 54m
including layover
Find flight
from$69
*Departure and arrival times are local. Last updated on 01/15/2025

Flight Information

There are 42 flights by Delta Air Lines Inc. from Ontario to Denver every week with departures from Ontario Int. and International Heliport. All flights arrive at Denver International and Arapahoe Co.

Departures start from 10:28 am to 6:00 am. Nonstop flight is 4h 10m. The time difference between Ontario and Denver is 1h.

  • The fastest flight 4h 10m
  • Average flight time 12h 4m
  • The earliest flight 10:28 am
  • The latest flight 6:00 am
  • Distance 818 ml

The cheapest flight by Delta Air Lines Inc. that our users were able to find is $69. This airfare is economy class on one-way DL2153 flight for October 3, 2018 leaving Ontario Int. in Ontario at 6:00 am, it includes all taxes and additional fees.

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Delta Air Lines Inc. Airplanes on the Route

List of the most popular Delta Air Lines Inc. airplanes flying from Ontario to Denver:

  • Boeing 737-800
    from $69
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  • Embraer 175
    from $90
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  • Canadair CRJ900
    from $134
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  • Canadair Regional Jet 900
    from $191
    Find
  • Embraer 175 (short wing)
    from $191
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Other Popular Airlines on the Route

Besides Delta Air Lines Inc. there are other 4 airline carriers between Ontario and Denver. Please review schedules and prices from the most popular airlines to find the best airfare deals from Ontario to Denver.

Nonstop flights

There are 5 direct flights every day from Ontario. Airlines and fares are below:

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Connecting Flights

List of flights with layovers (1 and more stops):

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How to book an air ticket yourself?

How to book an air ticket yourself?
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  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected airfare.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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