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

We've found the cheapest flights to Ontario

Returns from £47.22

One-way from £20.99

You have a selection of 6 airlines when departing Denver International to Ontario International. The journey time flying from Denver International to Ontario International United States is around 2 Hours 22 Minutes. With the distance covered being 1,316 Km (818 Miles). The airport code for Denver International is DEN and for Ontario International it is ONT.

Ticket prices are normally at a premium at weekends and can vary also with the time of day. Ontario International United States flights may be normally booked months in advance and this may be the best option if you intend to get the best prices from Denver International. Flights to Ontario International United States normally increase in price the nearer the journey date, so it is worth trying to book your tickets in advance if you can.

The time zone at Ontario International is 8.0 GMT compared to 7.0 GMT at Denver International so bare this in mind is you need to make travel arrangements when you arrive at Ontario International.

The table below displays the numbers of daily flights from Denver International (DEN) to Ontario International (ONT) and the relevant airlines that fly.

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 offer the most direct flights from Denver International to Ontario International with an average of 27 flights a week. The earliest flights are operated at 00:05 and the latest flights operated at 22:50 and the most common flight numbers are WN1131, WN1445, WN2571 and WN2576

Contact Southwest Airlines at www.southwest.com/?ref=southwestairlines.com to booking a flight or find up to date information on the flight times.

Below you can see the times of all flights. These flight times do vary so we recommend you look on the appropriate airline website for accurate information for the dates you are departing.

Flights Time In WeekDays
DayFlight TimesFlights
Monday
07:50
AirlineFlightNo
Southwest AirlinesWN2571
10:00
AirlineFlightNo
VolarisY42104
FrontierF91261
11:15
AirlineFlightNo
United AirlinesUA430
Air CanadaAC3002
13:45
AirlineFlightNo
Southwest AirlinesWN533
18:20
AirlineFlightNo
Southwest AirlinesWN2576
19:21
AirlineFlightNo
United AirlinesUA1109
Air CanadaAC3499
22:29
AirlineFlightNo
VolarisY42179
FrontierF91499
22:45
AirlineFlightNo
Southwest AirlinesWN2578
VIEW FLIGHTS
Tuesday
07:50
AirlineFlightNo
Southwest AirlinesWN2571
09:16
AirlineFlightNo
Air Transport International8C3331
11:15
AirlineFlightNo
United AirlinesUA430
Air CanadaAC3002
12:15
AirlineFlightNo
Southwest AirlinesWN4721
14:00
AirlineFlightNo
VolarisY42104
FrontierF91261
19:20
AirlineFlightNo
Southwest AirlinesWN2576
19:21
AirlineFlightNo
United AirlinesUA1109
Air CanadaAC3499
22:29
AirlineFlightNo
VolarisY42179
FrontierF91499
22:45
AirlineFlightNo
Southwest AirlinesWN2578
VIEW FLIGHTS
Wednesday
07:50
AirlineFlightNo
Southwest AirlinesWN2571
08:46
AirlineFlightNo
Air Transport International8C3331
10:00
AirlineFlightNo
VolarisY42104
FrontierF91261
11:15
AirlineFlightNo
United AirlinesUA430
Air CanadaAC3002
12:15
AirlineFlightNo
Southwest AirlinesWN4721
19:20
AirlineFlightNo
Southwest AirlinesWN2576
19:21
AirlineFlightNo
United AirlinesUA1109
Air CanadaAC3499
22:29
AirlineFlightNo
VolarisY42179
FrontierF91499
22:45
AirlineFlightNo
Southwest AirlinesWN2578
VIEW FLIGHTS
Thursday
00:05
AirlineFlightNo
Southwest AirlinesWN2578
07:55
AirlineFlightNo
Southwest AirlinesWN1131
08:45
AirlineFlightNo
Air Transport International8C3331
09:43
AirlineFlightNo
VolarisY42104
FrontierF91261
11:15
AirlineFlightNo
United AirlinesUA430
Air CanadaAC3002
13:10
AirlineFlightNo
Southwest AirlinesWN1445
15:15
AirlineFlightNo
Southwest AirlinesWN961
22:29
AirlineFlightNo
VolarisY42179
FrontierF91499
23:57
AirlineFlightNo
VolarisY42182
VIEW FLIGHTS
Friday
07:50
AirlineFlightNo
Southwest AirlinesWN2571
11:15
AirlineFlightNo
United AirlinesUA430
Air CanadaAC3002
13:45
AirlineFlightNo
Southwest AirlinesWN533
17:25
AirlineFlightNo
VolarisY42481
FrontierF92907
18:20
AirlineFlightNo
Southwest AirlinesWN2576
19:21
AirlineFlightNo
United AirlinesUA1109
Air CanadaAC3499
22:29
AirlineFlightNo
VolarisY42182
FrontierF91499
22:45
AirlineFlightNo
Southwest AirlinesWN2578
23:57
AirlineFlightNo
VolarisY42179
VIEW FLIGHTS
Saturday
07:50
AirlineFlightNo
Southwest AirlinesWN2571
08:46
AirlineFlightNo
Air Transport International8C3331
11:15
AirlineFlightNo
United AirlinesUA430
Air CanadaAC3002
16:48
AirlineFlightNo
VolarisY42107
FrontierF91261
17:25
AirlineFlightNo
Southwest AirlinesWN2576
19:10
AirlineFlightNo
United AirlinesUA1109
Air CanadaAC3499
22:29
AirlineFlightNo
VolarisY42182
FrontierF91499
22:45
AirlineFlightNo
Southwest AirlinesWN2578
23:59
AirlineFlightNo
United AirlinesUA1218
Air CanadaAC3335
VIEW FLIGHTS
Sunday
07:45
AirlineFlightNo
Southwest AirlinesWN2738
10:00
AirlineFlightNo
VolarisY42107
FrontierF91261
11:15
AirlineFlightNo
United AirlinesUA430
Air CanadaAC3002
13:00
AirlineFlightNo
Southwest AirlinesWN4618
17:25
AirlineFlightNo
Southwest AirlinesWN533
19:10
AirlineFlightNo
United AirlinesUA1109
20:33
AirlineFlightNo
Air CanadaAC3499
22:29
AirlineFlightNo
VolarisY42182
FrontierF91499
22:50
AirlineFlightNo
Southwest AirlinesWN2578
23:59
AirlineFlightNo
United AirlinesUA1218
Air CanadaAC3335
VIEW FLIGHTS

If you require a hire car at Ontario International be sure that you are in possession of a valid driving licence and also a current credit card.

Don't forget to book your car rental!

Search for the cheapest rental vehicles at Denver Airport

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 £20.99 ($28 €24.04)
£20.99
$28 | €24.04
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 £47.22 ($63 €54.10)
£47.22
$63 | €54.10
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.

Alternative Airports in United States with Connections from Denver Airport

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Search for the cheapest rental vehicles at DEN

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