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Cheap Flights from Denver to Ontario, CA, United States - DEN to ONT

Popular flights from Denver to Ontario

If your flight days are flexible and you looking for a good deal, our charts on cheap flights provide some insight regarding affordable flight options for your next big adventure.

American Airlines
Departure Date Return Date Lowest Price
Apr 16, 2016 Apr 23, 2016 $203
May 4, 2016 May 14, 2016 $203
May 7, 2016 May 14, 2016 $203
United Airlines
Departure Date Return Date Lowest Price
Mar 1, 2016 Mar 9, 2016 $199
Mar 1, 2016 Mar 15, 2016 $199

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 $208.

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 $356 $374
7-14 days $286 $213
14-21 days $285 $199
21-30 days $345 $207
30-60 days $263 $206
60-90 days $332 $203
90+ days $288 $204

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
$206 $199 $203 $208 $214 $203 $223

Lowest Fares Chart By Month from Denver to Ontario

The chart below shows the lowest fare by month when flying from Denver to Ontario.

Month Origin Destination Carrier Depart Date Return Date Stops Price
February Denver Ontario American 2/25/16 3/10/16 1 $213
March Denver Ontario United 3/1/16 3/9/16 1 $199
April Denver Ontario American 4/16/16 4/23/16 1 $203
May Denver Ontario American 5/4/16 5/14/16 1 $203
June Denver Ontario American 6/9/16 6/14/16 1 $204
July Denver Ontario American 7/28/16 8/2/16 1 $275
August Denver Ontario American 8/25/16 8/29/16 1 $309
September Denver Ontario United 9/7/16 9/14/16 1 $310

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
14 15 16 17 18 19 20
$404
21 22 23 24 25 26 27
$404 $286
28 29 1 2 3 4 5
$286 $380
6 7 8 9 10 11 12
$380 $440
13 14 15 16 17 18 19
$440 $408
20 21 22 23 24 25 26
$408

TIPSave $197 by flying into San Diego 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 $209.

The average price for non-stop flights from Denver to Ontario is $263.

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 1 1 1 1 1 1 1 19:00 22:08

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 $155.

The average price for round trip flights from Denver to Ontario is $209.

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 19 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 7 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.
Question: What are the most popular connecting cities when flying from Denver to Ontario?
Answer: Phoenix, AZ

Airlines Flying from Denver to Ontario (DEN to ONT)

Below are the different airlines that fly from Denver to Ontario with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from Denver to Ontario.

Denver to Ontario
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American PHX X X X X X X X
Alaska SEA X X X X X X X
Delta SLC X X X X X X X
United - X X X X X X X
United SFO X X X X X X X
Southwest - X X X X X X X
Southwest PHX X X X X X X X

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 $94
Denver to Santa Ana American, Frontier, United $148
Denver to Las Vegas American, Alaska, Frontier, Spirit, United $86
Denver to Burbank American, United $201
Denver to Long Beach American, United $243
Denver to San Diego American, Alaska, Frontier, Spirit, United, Virgin America $78
Denver to Palm Springs American, Alaska, United, Virgin America $246
Denver to Phoenix American, Frontier, Spirit, United $81
Denver to San Francisco American, Alaska, JetBlue, Frontier, United, Virgin America $132
Denver to Dallas - Ft Worth American, Alaska, Frontier, Spirit, United $78
Denver to Santa Barbara American, Alaska, United $340
Denver to Chicago American, Frontier, Spirit, United $78
Denver to Seattle American, Alaska, Frontier, United $133
Denver to Atlanta American, Alaska, Frontier, Spirit, United $136

Cheap Domestic Flights to Ontario - ONT

FlightsAirlineLowest Price
Colorado Springs to Ontario American, Alaska, United $343
Montrose to Ontario American, United Check Dates
Hayden - Steamboat to Ontario American, Alaska, United Check Dates
Aspen to Ontario American, United $675
Vail to Ontario American, United Check Dates
Colorado Springs to Los Angeles American, United $328
Aspen to Los Angeles American, Alaska, United $297
Vail to Los Angeles American, Alaska, United $466
Colorado Springs to Santa Ana American, Alaska, United $227
Hayden - Steamboat to Los Angeles United $411
Montrose to Los Angeles American, United $388
Colorado Springs to Long Beach American, Alaska, United $513
Gunnison to Los Angeles Alaska, United $316
Colorado Springs to Burbank American, Alaska, United $379
Aspen to Santa Ana American, Alaska, United $449
Colorado Springs to San Diego American, Alaska, United $252
Cheap Flights from Denver to Ontario, CA, United States, from $199 Round trip from DEN to ONT