Denver Airport (DEN) Flights to Ontario International Airport Airport (ONT)

We've found the cheapest flights to Ontario

Returns from £45.58

One-way from £23.19

Airliners including Volaris, Frontier, United Airlines, Air Canada and Southwest Airlines all offer direct flights between Denver International to Ontario International. The flight from Denver International to Ontario International is approximately 1,316 Kilometers which is 818 Miles. You should expect a flight time of around 2 Hours 22 Minutes.

The price of the flight is dependent on the time of the day you fly and the day of the week with weekends being normally a higher price. To obtain the best prices for Ontario International flights than book well in advance. If it is possible, you should book your flights 2 or more months in advance as ticket prices will be substantially lower.

On arriving at Ontario International please note the time difference, the time zone at Ontario International is 8.0 GMT compared to 7.0 GMT at Denver International.

Below you will see all the airlines that fly from Denver International (DEN) to Ontario International (ONT) and the number of flights they operate each day.

Flights Chart
AirlinerMoTuWeThFrSaSuFirst FlightLast FlightFlights
Southwest Airlines333343409:0022:25VIEW FLIGHTS
United Airlines222222211:1619:23VIEW FLIGHTS
Air Canada222222211:1620:47VIEW FLIGHTS
Frontier211221108:0722:15VIEW FLIGHTS
Volaris100120108:0720:10VIEW FLIGHTS

Southwest Airlines is the most popular airliners who operate this route. They have around 23 a week with times that vary between 09:00 and 22:25.

Would you like to book your flight? Bookings can be made direct with Southwest Airlines on their website www.southwest.com/?ref=southwestairlines.com.

The flight time for the selected route vary based on the month you will travel, but below we has summarised the most common times they will fly. We recommend you only take these times as guidance and check with appropriate airline for the exact times for the date you depart.

Flights Time In WeekDays
DayFlight TimesFlights
Monday
10:10
AirlineFlight  No
Southwest AirlinesWN856
11:16
AirlineFlight  No
United AirlinesUA430
Air CanadaAC3002
11:30
AirlineFlight  No
FrontierF91499
14:35
AirlineFlight  No
Southwest AirlinesWN4409
19:23
AirlineFlight  No
United AirlinesUA1574
Air CanadaAC3499
20:10
AirlineFlight  No
VolarisY42783
FrontierF91261
20:45
AirlineFlight  No
Southwest AirlinesWN1558
VIEW FLIGHTS
Tuesday
10:10
AirlineFlight  No
Southwest AirlinesWN856
11:16
AirlineFlight  No
United AirlinesUA430
Air CanadaAC3002
14:35
AirlineFlight  No
Southwest AirlinesWN4409
19:23
AirlineFlight  No
United AirlinesUA1574
Air CanadaAC3499
20:45
AirlineFlight  No
Southwest AirlinesWN1558
22:15
AirlineFlight  No
FrontierF91499
VIEW FLIGHTS
Wednesday
10:10
AirlineFlight  No
Southwest AirlinesWN856
11:16
AirlineFlight  No
United AirlinesUA430
Air CanadaAC3002
14:35
AirlineFlight  No
Southwest AirlinesWN4409
19:23
AirlineFlight  No
United AirlinesUA1574
Air CanadaAC3499
20:45
AirlineFlight  No
Southwest AirlinesWN1558
22:15
AirlineFlight  No
FrontierF91499
VIEW FLIGHTS
Thursday
08:07
AirlineFlight  No
VolarisY42783
FrontierF91261
10:10
AirlineFlight  No
Southwest AirlinesWN856
11:16
AirlineFlight  No
United AirlinesUA430
Air CanadaAC3002
14:35
AirlineFlight  No
Southwest AirlinesWN4409
19:23
AirlineFlight  No
United AirlinesUA1574
Air CanadaAC3499
20:45
AirlineFlight  No
Southwest AirlinesWN1558
22:15
AirlineFlight  No
FrontierF91499
VIEW FLIGHTS
Friday
08:07
AirlineFlight  No
VolarisY42783
FrontierF91261
09:00
AirlineFlight  No
Southwest AirlinesWN2157
11:16
AirlineFlight  No
United AirlinesUA430
Air CanadaAC3002
12:40
AirlineFlight  No
Southwest AirlinesWN2604
16:04
AirlineFlight  No
VolarisY42628
FrontierF92907
18:15
AirlineFlight  No
Southwest AirlinesWN2094
19:23
AirlineFlight  No
United AirlinesUA1574
Air CanadaAC3499
22:25
AirlineFlight  No
Southwest AirlinesWN3107
VIEW FLIGHTS
Saturday
09:30
AirlineFlight  No
Southwest AirlinesWN2112
11:16
AirlineFlight  No
United AirlinesUA430
Air CanadaAC3002
13:10
AirlineFlight  No
Southwest AirlinesWN2604
17:05
AirlineFlight  No
Southwest AirlinesWN2663
19:23
AirlineFlight  No
United AirlinesUA1574
Air CanadaAC3499
22:15
AirlineFlight  No
FrontierF91499
VIEW FLIGHTS
Sunday
08:07
AirlineFlight  No
VolarisY42783
FrontierF91261
09:00
AirlineFlight  No
Southwest AirlinesWN2157
11:16
AirlineFlight  No
United AirlinesUA430
Air CanadaAC3002
12:40
AirlineFlight  No
Southwest AirlinesWN2604
18:15
AirlineFlight  No
Southwest AirlinesWN2094
19:23
AirlineFlight  No
United AirlinesUA1574
20:47
AirlineFlight  No
Air CanadaAC3499
22:25
AirlineFlight  No
Southwest AirlinesWN3107
VIEW FLIGHTS

Other routes are also possible. Flying from a different airport may offer more convenient flight times, so below we have we have put a list of other routes that may well be suitable.

Alternative Direct Routes
RouteStopsDistanceFlying Time
Denver Arapahoe Co to Ontario02 Hours 20 Minutes
Fort Collins Loveland Municipal to Ontario02 Hours 22 Minutes

Whilst you will find a bureau de change at Ontario International, we recommend you change some money before you depart if you don’t have the local currency. The exchange rates within any airport are not very favorable, so exchanging money before hand is a good idea.

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Flight Price FAQ - Denver (DEN) to Ontario (ONT)

DIRECT Frontier Airlines
What is the cheapest direct flight one way from Denver DEN to Ontario ONT?
The cheapest direct flight one way from Denver DEN to Ontario ONT is £23.19 ($29 €27.91)
£23.19
$29 | €27.91
Check Latest Price
DIRECT Frontier Airlines
What is the cheapest direct return flight from Denver DEN to Ontario ONT?
The cheapest direct return flight from Denver DEN to Ontario ONT is £45.58 ($57 €54.85)
£45.58
$57 | €54.85
Check Latest Price
Important Note: Prices shown are taken from searches performed for flights operating during the current month. Please use the "Latest Price" buttons to get the most up to date airfares.

Compare Flight Prices from DEN to ONT

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Flight Info FAQ - Denver (DEN) to Ontario (ONT)

Who flies from Denver to Ontario?
The following airlines fly from Denver (DEN) to Ontario (ONT): Air Canada, Frontier, Southwest Airlines, United Airlines, Volaris.
How far is the flight from Denver to Ontario?
The flight from Denver to Ontario is 1,316KM or 818 miles.
How long does the flight from Denver to Ontario to take?
The flight from Denver to Ontario takes 2 Hours 22 Minutes.

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