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

We've found the cheapest flights to Ontario

Returns from £47.73

One-way from £21.21

Airliners including Air Transport International, Frontier, United Airlines, Air Canada, Volaris 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 Airlines444443400:0522:50VIEW FLIGHTS
Volaris222332209:4323:57VIEW FLIGHTS
United Airlines222123311:1523:59VIEW FLIGHTS
Air Canada222123311:1523:59VIEW FLIGHTS
Frontier222222209:4322:29VIEW FLIGHTS
Air Transport International011101008:4509:16VIEW FLIGHTS

Southwest Airlines is the most popular airliners who operate this route. They have around 27 a week with times that vary between 00:05 and 22:50.

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
07:50
AirlineFlight  No
Southwest AirlinesWN2571
10:00
AirlineFlight  No
VolarisY42104
FrontierF91261
11:15
AirlineFlight  No
United AirlinesUA430
Air CanadaAC3002
13:45
AirlineFlight  No
Southwest AirlinesWN533
18:20
AirlineFlight  No
Southwest AirlinesWN2576
19:21
AirlineFlight  No
United AirlinesUA1109
Air CanadaAC3499
22:29
AirlineFlight  No
VolarisY42179
FrontierF91499
22:45
AirlineFlight  No
Southwest AirlinesWN2578
VIEW FLIGHTS
Tuesday
07:50
AirlineFlight  No
Southwest AirlinesWN2571
09:16
AirlineFlight  No
Air Transport International8C3331
11:15
AirlineFlight  No
United AirlinesUA430
Air CanadaAC3002
12:15
AirlineFlight  No
Southwest AirlinesWN4721
14:00
AirlineFlight  No
VolarisY42104
FrontierF91261
19:20
AirlineFlight  No
Southwest AirlinesWN2576
19:21
AirlineFlight  No
United AirlinesUA1109
Air CanadaAC3499
22:29
AirlineFlight  No
VolarisY42179
FrontierF91499
22:45
AirlineFlight  No
Southwest AirlinesWN2578
VIEW FLIGHTS
Wednesday
07:50
AirlineFlight  No
Southwest AirlinesWN2571
08:46
AirlineFlight  No
Air Transport International8C3331
10:00
AirlineFlight  No
VolarisY42104
FrontierF91261
11:15
AirlineFlight  No
United AirlinesUA430
Air CanadaAC3002
12:15
AirlineFlight  No
Southwest AirlinesWN4721
19:20
AirlineFlight  No
Southwest AirlinesWN2576
19:21
AirlineFlight  No
United AirlinesUA1109
Air CanadaAC3499
22:29
AirlineFlight  No
VolarisY42179
FrontierF91499
22:45
AirlineFlight  No
Southwest AirlinesWN2578
VIEW FLIGHTS
Thursday
00:05
AirlineFlight  No
Southwest AirlinesWN2578
07:55
AirlineFlight  No
Southwest AirlinesWN1131
08:45
AirlineFlight  No
Air Transport International8C3331
09:43
AirlineFlight  No
VolarisY42104
FrontierF91261
11:15
AirlineFlight  No
United AirlinesUA430
Air CanadaAC3002
13:10
AirlineFlight  No
Southwest AirlinesWN1445
15:15
AirlineFlight  No
Southwest AirlinesWN961
22:29
AirlineFlight  No
VolarisY42179
FrontierF91499
23:57
AirlineFlight  No
VolarisY42182
VIEW FLIGHTS
Friday
07:50
AirlineFlight  No
Southwest AirlinesWN2571
11:15
AirlineFlight  No
United AirlinesUA430
Air CanadaAC3002
13:45
AirlineFlight  No
Southwest AirlinesWN533
17:25
AirlineFlight  No
VolarisY42481
FrontierF92907
18:20
AirlineFlight  No
Southwest AirlinesWN2576
19:21
AirlineFlight  No
United AirlinesUA1109
Air CanadaAC3499
22:29
AirlineFlight  No
VolarisY42182
FrontierF91499
22:45
AirlineFlight  No
Southwest AirlinesWN2578
23:57
AirlineFlight  No
VolarisY42179
VIEW FLIGHTS
Saturday
07:50
AirlineFlight  No
Southwest AirlinesWN2571
08:46
AirlineFlight  No
Air Transport International8C3331
11:15
AirlineFlight  No
United AirlinesUA430
Air CanadaAC3002
16:48
AirlineFlight  No
VolarisY42107
FrontierF91261
17:25
AirlineFlight  No
Southwest AirlinesWN2576
19:10
AirlineFlight  No
United AirlinesUA1109
Air CanadaAC3499
22:29
AirlineFlight  No
VolarisY42182
FrontierF91499
22:45
AirlineFlight  No
Southwest AirlinesWN2578
23:59
AirlineFlight  No
United AirlinesUA1218
Air CanadaAC3335
VIEW FLIGHTS
Sunday
07:45
AirlineFlight  No
Southwest AirlinesWN2738
10:00
AirlineFlight  No
VolarisY42107
FrontierF91261
11:15
AirlineFlight  No
United AirlinesUA430
Air CanadaAC3002
13:00
AirlineFlight  No
Southwest AirlinesWN4618
17:25
AirlineFlight  No
Southwest AirlinesWN533
19:10
AirlineFlight  No
United AirlinesUA1109
20:33
AirlineFlight  No
Air CanadaAC3499
22:29
AirlineFlight  No
VolarisY42182
FrontierF91499
22:50
AirlineFlight  No
Southwest AirlinesWN2578
23:59
AirlineFlight  No
United AirlinesUA1218
Air CanadaAC3335
VIEW FLIGHTS

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 £21.21 ($28 €24.11)
£21.21
$28 | €24.11
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 £47.73 ($63 €54.25)
£47.73
$63 | €54.25
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, Air Transport International, 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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