Cheap flights from ONT to DEN (Los Angeles - Ontario Intl. to Denver Intl.)

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Cheap Flights from ONT to DEN starting at $24 One Way, $54 Round Trip

Prices starting at $54 for return flights and $24 for one-way flights to Denver Intl. were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Nov 15 - Wed, Nov 19
ONT
Ontario
DEN
Denver
$54 Roundtrip, found 1 hour ago
$54
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, Nov 15 from Ontario to Denver, returning Wed, Nov 19, priced at $54 found 1 hour ago
Wed, Dec 24 - Wed, Dec 31
ONT
Ontario
DEN
Denver
$64 Roundtrip, found 5 days ago
$64
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Wed, Dec 24 from Ontario to Denver, returning Wed, Dec 31, priced at $64 found 5 days ago
Wed, Dec 24 - Wed, Dec 31
ONT
Ontario
DEN
Denver
$69 Roundtrip, found 1 day ago
$69
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Dec 24 from Ontario to Denver, returning Wed, Dec 31, priced at $69 found 1 day ago
Thu, Jan 22 - Sun, Jan 25
ONT
Ontario
DEN
Denver
$117 Roundtrip, found 1 hour ago
$117
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Thu, Jan 22 from Ontario to Denver, returning Sun, Jan 25, priced at $117 found 1 hour ago
Thu, Jan 22 - Sun, Jan 25
ONT
Ontario
DEN
Denver
$170 Roundtrip, found 1 hour ago
$170
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Thu, Jan 22 from Ontario to Denver, returning Sun, Jan 25, priced at $170 found 1 hour ago

Hotel Ideas near Denver Intl.

Airport Hotels near Denver Intl.

The Westin Denver International Airport

The Westin Denver International Airport

4.5 out of 5
8300 Pena Boulevard, Denver, CO
The price is $384 total per night from Dec 6 to Dec 7
$384 total
per night
Dec 6 - Dec 7
Stay at this 4.5-star luxury hotel in Denver. Enjoy 2 bars/lounges, breakfast (surcharge), and room service. Our guests praise the helpful staff and the clean ...
9/10 Wonderful! (1,629 reviews)
Quick stay, very comfortable

Reviewed on Nov 2, 2025

The Westin Denver International Airport
Spark by Hilton Denver International Airport

Spark by Hilton Denver International Airport

3.5 out of 5
7020 Tower Rd, Denver, CO
The price is $94 total per night from Nov 16 to Nov 17
$94 total
per night
Nov 16 - Nov 17
Stay at this 3.5-star business-friendly hotel in Denver. Enjoy free breakfast, free WiFi, and parking (surcharge). Our guests praise the helpful staff and the ...
8.4/10 Very Good! (425 reviews)
Very nice and clean basic hotel .

Reviewed on Oct 29, 2025

Spark by Hilton Denver International Airport
DoubleTree by Hilton Denver International Airport

DoubleTree by Hilton Denver International Airport

4 out of 5
6900 Tower Road, Denver, CO
The price is $105 total per night from Nov 23 to Nov 24
$105 total
per night
Nov 23 - Nov 24
Stay at this 4-star business-friendly hotel in Denver. Enjoy free WiFi, breakfast (surcharge), and a free airport shuttle. Our guests praise the restaurant and ...
8.8/10 Excellent! (1,137 reviews)
We were unable to get a local channel to watch the World Series

Reviewed on Nov 2, 2025

DoubleTree by Hilton Denver International Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Hotels In Denver

Hilton Denver City Center

Hilton Denver City Center

4 out of 5
1701 California St, Denver, CO
The price is $143 total per night from Nov 9 to Nov 10
$143 total
per night
Nov 9 - Nov 10
Stay at this 4-star business-friendly hotel in Denver. Enjoy free WiFi, breakfast (surcharge), and room service. Our guests praise the helpful staff and the ...
8.6/10 Excellent! (1,088 reviews)
Nice stay, very convienient to several restaurants, bars, and nightlife. Would stay again.

Reviewed on Nov 2, 2025

Hilton Denver City Center
Plaza Hotel Denver

Plaza Hotel Denver

3 out of 5
4849 Bannock Street, Denver, CO
The price is $103 total per night from Nov 6 to Nov 7
$103 total
per night
Nov 6 - Nov 7
Stay at this 3-star hotel in Denver. Enjoy free WiFi, free parking, and an outdoor pool. Our guests praise the helpful staff and the clean rooms in our reviews. ...
6.8/10 (1,015 reviews)
Staff was very nice.

Reviewed on Nov 3, 2025

Plaza Hotel Denver
Renaissance Denver Hotel & Conference Center

Renaissance Denver Hotel & Conference Center

4 out of 5
3801 Quebec St, Denver, CO
The price is $117 total per night from Nov 23 to Nov 24
$117 total
per night
Nov 23 - Nov 24
Stay at this 4-star business-friendly hotel in Denver. Enjoy free WiFi, an outdoor pool, and 2 restaurants. Our guests praise the helpful staff and the clean ...
8.4/10 Very Good! (1,670 reviews)
Everything was amazing

Reviewed on Nov 2, 2025

Renaissance Denver Hotel & Conference Center
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Denver Hotels With Airport Transportation

Baymont by Wyndham Denver International Airport

Baymont by Wyndham Denver International Airport

2.5 out of 5
6805 N. Argonne Street, Denver, CO
The price is $81 total per night from Nov 26 to Nov 27
$81 total
per night
Nov 26 - Nov 27
Book a stay at this business-friendly hotel in Denver. Enjoy free WiFi, a free airport shuttle, and a 24-hour fitness center. Our guests praise the helpful staff ...
7.4/10 Good! (1,930 reviews)
It was a wonderful stay! The staff was friendly, shuttle was consistent and friendly. Nice beds, clean bathroom and shower. Can’t complain for a one night stay!

Reviewed on Oct 28, 2025

Baymont by Wyndham Denver International Airport
Days Inn & Suites by Wyndham Denver International Airport

Days Inn & Suites by Wyndham Denver International Airport

3 out of 5
7030 Tower Rd, Denver, CO
The price is $91 total per night from Nov 17 to Nov 18
$91 total
per night
Nov 17 - Nov 18
Stay at this 3-star business-friendly hotel in Denver. Enjoy free breakfast, free WiFi, and a free airport shuttle. Our guests praise the breakfast and the helpful ...
8/10 Very Good! (1,605 reviews)
Everything was great. The room was clean, the staff was professional and I slept very well.

Reviewed on Nov 3, 2025

Days Inn & Suites by Wyndham Denver International Airport
AmericInn by Wyndham Denver Airport

AmericInn by Wyndham Denver Airport

2.5 out of 5
7010 Tower Road, Denver, CO
The price is $119 total per night from Nov 6 to Nov 7
$119 total
per night
Nov 6 - Nov 7
Book a stay at this business-friendly hotel in Denver. Enjoy free breakfast, free WiFi, and a free airport shuttle. Our guests praise the breakfast and the pool ...
8.2/10 Very Good! (3,334 reviews)
it did the job for sure!!! very comfortable beds!!!

Reviewed on Oct 31, 2025

AmericInn by Wyndham Denver Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Low Priced Denver Hotels

Ramada by Wyndham Denver Downtown

Ramada by Wyndham Denver Downtown

2.5 out of 5
1150 E Colfax Ave, Denver, CO
Book a stay at this business-friendly hotel in Denver. Enjoy free WiFi, free parking, and room service. Popular attractions Denver Zoo and Coors Field are located ...
Okay

Reviewed on Feb 18, 2021

Get rates
Ramada by Wyndham Denver Downtown
Econo Lodge Denver International Airport

Econo Lodge Denver International Airport

2 out of 5
15900 E 40th Ave, Aurora, CO
The price is $72 total per night from Nov 8 to Nov 9
$72 total
per night
Nov 8 - Nov 9
Book a stay at this business-friendly hotel in Aurora. Enjoy free WiFi, free parking, and a 24-hour front desk. Our guests praise the helpful staff and the clean ...
7.2/10 Good! (1,020 reviews)
Clearly, everything is good

Reviewed on Nov 3, 2025

Econo Lodge Denver International Airport
Microtel Inn & Suites by Wyndham Denver Airport

Microtel Inn & Suites by Wyndham Denver Airport

2 out of 5
18600 E 63rd Ave, Denver, CO
The price is $93 total per night from Nov 6 to Nov 7
$93 total
per night
Nov 6 - Nov 7
Book a stay at this business-friendly hotel in Denver. Enjoy free breakfast, free WiFi, and a free airport shuttle. Our guests praise the helpful staff and the ...
8/10 Very Good! (681 reviews)
Great stop over for the night close to the airport

Reviewed on Oct 27, 2025

Microtel Inn & Suites by Wyndham Denver Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Family Friendly Hotels in Denver

Drury Plaza Hotel Denver Westminster

Drury Plaza Hotel Denver Westminster

3 out of 5
10393 Reed Street, Westminster, CO
The price is $109 total per night from Nov 9 to Nov 10
$109 total
per night
Nov 9 - Nov 10
Stay at this 3-star business-friendly hotel in Westminster. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful ...
9.4/10 Exceptional! (1,071 reviews)
The staff was helpful and friendly in every area. My room was very clean. Good size parking lot that was well lit. I have a pet so walking them you want to feel safe. And I did. I did not eat a lot of breakfast but everything looked great. What I ate was warm and fresh. They have options for food ...

Reviewed on Nov 3, 2025

Drury Plaza Hotel Denver Westminster
The Westin Westminster

The Westin Westminster

4 out of 5
10600 Westminster Boulevard, Westminster, CO
The price is $151 total per night from Nov 21 to Nov 22
$151 total
per night
Nov 21 - Nov 22
Stay at this 4-star family-friendly hotel in Westminster. Enjoy breakfast (surcharge), a free area shuttle, and a fitness center. Our guests praise the helpful ...
8.6/10 Excellent! (1,056 reviews)

Families like: Kids pool, cribs, rollaway beds

Travelers say...
The staff was extremely welcoming & helpful. Rooms were very nice, had nice view. Beds were comfortable, rooms were very clean. The rugs were a little worn.

Reviewed on Nov 2, 2025

The Westin Westminster
Hyatt Place Denver Tech Center

Hyatt Place Denver Tech Center

3 out of 5
8300 E Crescent Pkwy, Greenwood Village, CO
The price is $108 total per night from Nov 16 to Nov 17
$108 total
per night
Nov 16 - Nov 17
Stay at this 3-star business-friendly hotel in Greenwood Village. Enjoy free breakfast, free WiFi, and a fitness center. Our guests praise the breakfast and ...
8.4/10 Very Good! (1,113 reviews)
Staff was really friendly and rooms were really clean

Reviewed on Oct 31, 2025

Hyatt Place Denver Tech Center
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

ONT to DEN Route Info

Origin Airport
Destination Airport
Number Of Airlines Serving
Distance
Shortest Flight Departure Time
Shortest Flight Departure Date
ONT Address & GPS
Address:
2900 E. Airport Drive
Ontario CA, 91761
United States
IATA Code:
ONT
Longitude:
-117.601193
Latitude:
34.056001
Time Zone:
America/Los_Angeles
DEN Address & GPS
Address:
8500 Pena Boulevard
Denver CO, 80249-6340
United States
IATA Code:
DEN
Longitude:
-104.673098
Latitude:
39.851382
Time Zone:
America/Denver

Frequently asked questions

Are there non-stop flights from Ontario Airport to DIA airport?
Get ready to buckle up your seat belt and enjoy a cruisy flight aboard one of the 3 airlines that fly direct from Los Angeles - Ontario Intl. Airport (ONT) to Denver Intl. Airport (DEN). We've come up with a list of reliable carriers you might want to book with:

  • Southwest Airlines
  • United Airlines
  • Frontier Airlines

What is the shortest flight from Los Angeles - Ontario Intl. Airport (ONT) to Denver Airport?
There's nothing nicer than an impromptu getaway. With the journey from Ontario to Denver being a mere 2 hours and 10 minutes, there's no reason not to take one.
How many hours flight from ONT to DIA airport?
It takes a leisurely 2 hours and 16 minutes on average to travel from ONT to DEN. Whip out your guide book and start circling the spots you plan to visit. It won't be long before you'll be exploring them yourself.
What airlines have the most flights from Los Angeles - Ontario Intl. Airport (ONT) to Denver Airport?
Look up Frontier Airlines (F9). It's one of the airlines that offer flights from Los Angeles - Ontario Intl. Airport (ONT) to DIA airport. It's also a favorite with travelers and offers 56 services on this route monthly. United Airlines (UA) also flies from Ontario to Denver. It's another popular option and offers 69 flights each month.

Map To Nearby Hotels

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.

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