Flights
Hotels
From
To
1 traveler
Unsupported Browser!
Find Flights
Finding cheap flights is simple. More than 36 million people last year saved hundreds by using our flights tool.
Flights
Hotels
Round-trip
One-way
1 traveler
Unsupported Browser!
Find Flights
Finding cheap flights is simple. More than 36 million people last year saved hundreds by using our flights tool.
Did you mean flights from Ontario to Denver?

Cheap Flights from Denver to Ontario, CA, United States - DEN to ONT Last modified: Jul 1, 2016 1:01 AM

Popular flights from Denver to Ontario Last modified: Jul 1, 2016 1:01 AM

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

American
DENONT
Wed 8/10
nonstop
ONTDEN
Mon 8/15
nonstop
$172
Select
United
DENONT
Wed 8/10
nonstop
ONTDEN
Mon 8/15
nonstop
$172
Select

How Much Does it Cost to Fly from Denver to Ontario (DEN to ONT)?

We have collected flight cost data from across the web for travel from Denver to Ontario, and have found the average flight price for this trip to be $230.

When Can I Buy the Cheapest Flight from Denver to Ontario (DEN to ONT)?

Airlines can adjust prices for plane tickets from Denver to Ontario based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

How far in advance should you book flights from Denver to Ontario

The chart below shows up-to-date information regarding how far in advance a flight from Denver to Ontario should be booked.

Non Stop versus 1-Stop
Advanced PurchaseNon StopOne Stop
< 7 days $443 $372
7-14 days $282 $270
14-21 days $467 $274
21-30 days $624 $274
30-60 days $172 $238
60-90 days $177 $185
90+ days $177 $185

Cheapest Day To Fly from Denver to Ontario

The chart below shows up-to-date information regarding the cheapest days to fly from Denver to Ontario.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$248 $259 $172 $177 $250 $229 $274

Cheapest Weekend Non-Stop Flights for the Next 30 Days from Denver to Ontario

If you're ready to take a trip in the next 30 days and want to fly on the weekend, you might be wondering which weekend is the cheapest to fly. The chart below shows up-to-date data regarding weekend flight prices from Denver to Ontario.

Next 30 Days

SunMonTueWedThuFriSat
3 4 5 6 7 8 9
$443
10 11 12 13 14 15 16
$443 $467
17 18 19 20 21 22 23
$467 $610
24 25 26 27 28 29 30
$610
31 1 2 3 4 5 6
$634
7 8 9 10 11 12 13
$634
TIPSave $166 by flying into Las Vegas instead of Ontario from Denver

Non-Stop vs Connecting Flights from Denver to Ontario (DEN to ONT)

Your Denver to Ontario flight can be significantly cheaper by choosing a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from Denver to Ontario is $189.

The average price for non-stop flights from Denver to Ontario is $172.

The chart below shows up to date information regarding non-stop flights from Denver to Ontario.

Nonstop Flight Details from Denver to Ontario
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
United 2 2 1 2 2 1 2 11:25 22:05

Round Trip vs One Way Flights from Denver to Ontario (DEN to ONT)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Denver to Ontario. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Denver to Ontario is $114.

The average price for round trip flights from Denver to Ontario is $172.

Denver to Ontario Flight Questions

Below are some common questions that asked about this flight route:

Question: How long is a direct flight from Denver to Ontario?
Answer: The average Denver to Ontario flight time is 2 hours and 20 minutes.
Question: How many miles are there between Denver and Ontario?
Answer: The distance from Denver to Ontario is 817 miles.
Question: How common are direct flights from Denver to Ontario?
Answer: There are 12 direct flights from Denver to Ontario.
Question: What is the most popular airline for non-stop flights from Denver to Ontario?
Answer: United Airlines provides 100% of the non-stop flights between Denver and Ontario.

Airports for Your Route

These pages contain information about the major airports in Denver and Ontario, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights from Denver - DEN

FlightsAirlineLowest Price
Denver to Los Angeles American, Alaska, Frontier, Spirit, United, Virgin America $91
Denver to Santa Ana American, Frontier, United $167
Denver to Las Vegas American, Frontier, Spirit, United $75
Denver to Burbank American, United $172
Denver to Long Beach American, United $194
Denver to San Diego American, Alaska, Frontier, Spirit, United, Virgin America $97
Denver to Palm Springs American, Alaska, United, Virgin America $234
Denver to Phoenix American, Alaska, Frontier, Spirit, United $71
Denver to San Francisco American, Alaska, Frontier, United, Virgin America $153
Denver to Dallas - Ft Worth American, Alaska, Frontier, Spirit, United $77
Denver to Santa Barbara American, Alaska, United $234
Denver to Chicago American, Alaska, Frontier, Spirit, United $91
Denver to Seattle American, Alaska, Frontier, United $171
Denver to Atlanta American, Alaska, Frontier, Spirit, United $179

Cheap Domestic Flights to Ontario - ONT

FlightsAirlineLowest Price
Colorado Springs to Ontario American, Alaska, United $255
Montrose to Ontario American, United $398
Hayden - Steamboat to Ontario American, United Check Dates
Aspen to Ontario American, Alaska, United Check Dates
Vail to Ontario American, United Check Dates
Colorado Springs to Los Angeles United $322
Aspen to Los Angeles American, Alaska, United $395
Vail to Los Angeles American, Alaska, United $405
Colorado Springs to Santa Ana American, Alaska, United $248
Hayden - Steamboat to Los Angeles Alaska, United $457
Montrose to Los Angeles American, United $418
Colorado Springs to Long Beach American, Alaska, United $462
Gunnison to Los Angeles Alaska, United $418
Colorado Springs to Burbank American, Alaska, United $394
Aspen to Santa Ana Alaska, United $412
Colorado Springs to San Diego American, Alaska, United $248
Cheap Flights from Denver to Ontario, CA, United States, from $172 Round trip from DEN to ONT