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 $40 One Way, $57 Round Trip

Prices starting at $57 for return flights and $40 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.

Tue, Apr 14 - Tue, Apr 21
ONT
Ontario
DEN
Denver
$57 Roundtrip, found 3 days ago
$57
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Tue, Apr 14 from Ontario to Denver, returning Tue, Apr 21, priced at $57 found 3 days ago
Tue, Apr 7 - Wed, Apr 8
ONT
Ontario
DEN
Denver
$57 Roundtrip, found 3 days ago
$57
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Tue, Apr 7 from Ontario to Denver, returning Wed, Apr 8, priced at $57 found 3 days ago
Tue, Apr 14 - Wed, Apr 15
ONT
Ontario
DEN
Denver
$59 Roundtrip, found 5 days ago
$59
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Tue, Apr 14 from Ontario to Denver, returning Wed, Apr 15, priced at $59 found 5 days ago
Mon, Apr 27 - Wed, Apr 29
ONT
Ontario
DEN
Denver
$65 Roundtrip, found 1 day ago
$65
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Apr 27 from Ontario to Denver, returning Wed, Apr 29, priced at $65 found 1 day ago
Thu, Apr 16 - Mon, Apr 20
ONT
Ontario
DEN
Denver
$68 Roundtrip, found 1 day ago
$68
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Apr 16 from Ontario to Denver, returning Mon, Apr 20, priced at $68 found 1 day 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
$331 nightly
The price is $383 total per night from Apr 4 to Apr 5
$383 total
Apr 4 - Apr 5
Total with taxes and fees
Book a stay at this luxury hotel in Denver. Enjoy 2 bars/lounges, breakfast (surcharge), and room service. Our guests praise the helpful staff and the clean ...
9.2/10 Wonderful! (1,666 reviews)
We stay here often. Staff is great. Hotels and the property don’t seem to jive great so we’ll have to book direct through them now. They were going to charge us to extend our reservation

Reviewed on Mar 5, 2026

The Westin Denver International Airport
Hyatt Place Peña Station/Denver Airport

Hyatt Place Peña Station/Denver Airport

3 out of 5
6110 NORTH PANASONIC WAY Denver CO
$89 nightly
The price is $103 total per night from Apr 5 to Apr 6
$103 total
Apr 5 - Apr 6
Total with taxes and fees
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 breakfast ...
9/10 Wonderful! (2,535 reviews)
The Staff were good and helpful when I called from the airport at4:30 am an when I arrived at the Hotel

Reviewed on Mar 8, 2026

Hyatt Place Peña Station/Denver Airport
Spark by Hilton Denver International Airport

Spark by Hilton Denver International Airport

3.5 out of 5
7020 Tower Rd Denver CO
$87 nightly
The price is $101 total per night from Mar 22 to Mar 23
$101 total
Mar 22 - Mar 23
Total with taxes and fees
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 ...
8.4/10 Very Good! (621 reviews)
You have to pay to park, ($11) night. Couldn't hook up to the wifi unless you filled out a bunch of paperwork. I think you have to be a Hilton member for free WiFi, but I could be wrong. Won't be staying there again.

Reviewed on Mar 7, 2026

Spark 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

Hyatt Place Peña Station/Denver Airport

Hyatt Place Peña Station/Denver Airport

3 out of 5
6110 NORTH PANASONIC WAY Denver CO
$89 nightly
The price is $103 total per night from Apr 5 to Apr 6
$103 total
Apr 5 - Apr 6
Total with taxes and fees
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 breakfast ...
9/10 Wonderful! (2,535 reviews)
The Staff were good and helpful when I called from the airport at4:30 am an when I arrived at the Hotel

Reviewed on Mar 8, 2026

Hyatt Place Peña Station/Denver Airport
Holiday Inn Express Denver Downtown by IHG

Holiday Inn Express Denver Downtown by IHG

3 out of 5
1715 Tremont Place Denver CO
$75 nightly
The price is $87 total per night from Mar 23 to Mar 24
$87 total
Mar 23 - Mar 24
Total with taxes and fees
Book a stay at this business-friendly hotel in Denver. Enjoy free breakfast, free WiFi, and a 24-hour fitness center. Our guests praise the breakfast and the ...
7.2/10 Good! (1,836 reviews)
A little trouble with the cable because of the weather but overall a good stay.

Reviewed on Mar 8, 2026

Holiday Inn Express Denver Downtown by IHG
Sonesta Denver Downtown

Sonesta Denver Downtown

4 out of 5
1450 Glenarm Place Denver CO
$109 nightly
The price is $126 total per night from Mar 22 to Mar 23
$126 total
Mar 22 - Mar 23
Total with taxes and fees
Book a stay at this business-friendly hotel in Denver. Enjoy an outdoor pool, breakfast (surcharge), and a 24-hour fitness center. Our guests praise the helpful ...
8.4/10 Very Good! (2,347 reviews)
This property is in the perfect location. It’s right next to the Pavilions which is a nice outdoor mall, and it’s right next to 16th promenade which has a bunch of food and shops; Target is a 4 minute walk. The staff is super friendly and quick. I also liked how safe it felt. You need a key card ...

Reviewed on Mar 4, 2026

Sonesta Denver Downtown
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
$70 nightly
The price is $81 total per night from Mar 22 to Mar 23
$81 total
Mar 22 - Mar 23
Total with taxes and fees
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 ...
7.6/10 Good! (1,923 reviews)
The staff is very friendly and the shuttle driver the best. It’s very convenient to the airport and lots of restaurants in walking distance. Great price snd value for the money. Clean and comfortable. The facility is in need of a lot of cosmetic repairs.

Reviewed on Feb 24, 2026

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
$81 nightly
The price is $92 total per night from Mar 9 to Mar 10
$92 total
Mar 9 - Mar 10
Total with taxes and fees
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 ...
8.2/10 Very Good! (1,844 reviews)
Our one night stay was very nice. Room was clean & staff was friendly. It was nice & quiet too. Would definitely stay again.

Reviewed on Mar 6, 2026

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
$84 nightly
The price is $97 total per night from Mar 27 to Mar 28
$97 total
Mar 27 - Mar 28
Total with taxes and fees
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 ...
8.4/10 Very Good! (3,277 reviews)
Clean and comfortable, older property but well maintained. Just a quick stay for layover but free airport transfers which is awesome! Limited continental breakfast.

Reviewed on Mar 7, 2026

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 Coors Field and Union Station are ...
5/10 (1,001 reviews)
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
$55 nightly
The price is $66 total per night from Mar 14 to Mar 15
$66 total
Mar 14 - Mar 15
Total with taxes and fees
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 ...
7.4/10 Good! (1,006 reviews)
Not a safe location

Reviewed on Mar 3, 2026

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
$79 nightly
The price is $92 total per night from Mar 9 to Mar 10
$92 total
Mar 9 - Mar 10
Total with taxes and fees
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! (774 reviews)
Shuttle to airport was handy. Staff was very friendly

Reviewed on Mar 7, 2026

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
$98 nightly
The price is $109 total per night from Mar 12 to Mar 13
$109 total
Mar 12 - Mar 13
Total with taxes and fees
Book a stay at this business-friendly hotel in Westminster. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful ...
9.6/10 Exceptional! (1,152 reviews)
Best hotel

Reviewed on Mar 7, 2026

Drury Plaza Hotel Denver Westminster
The Westin Westminster

The Westin Westminster

4 out of 5
10600 Westminster Boulevard Westminster CO
$135 nightly
The price is $151 total per night from Mar 14 to Mar 15
$151 total
Mar 14 - Mar 15
Total with taxes and fees
Book a stay at this family-friendly hotel in Westminster. Enjoy breakfast (surcharge), a free area shuttle, and a fitness center. Our guests praise the helpful ...
8.8/10 Excellent! (1,060 reviews)

Families like: Kids pool, cribs, rollaway beds

Travelers say...
This is our go to spot for a hockey tournament hotel. So close to multiple dining options,

Reviewed on Mar 5, 2026

The Westin Westminster
Hyatt Place Denver South/Park Meadows

Hyatt Place Denver South/Park Meadows

3 out of 5
9030 E Westview Rd Lone Tree CO
$80 nightly
The price is $91 total per night from Mar 21 to Mar 22
$91 total
Mar 21 - Mar 22
Total with taxes and fees
Book a stay at this business-friendly hotel in Lone Tree. Enjoy free breakfast, free WiFi, and a fitness center. Our guests praise the breakfast and the helpful ...
8.8/10 Excellent! (1,196 reviews)
The staff was so friendly and attentive; our room and the pool were clean and had everything we needed; there was a great selection of treats for late night snacking; the lobby was a fun and careful atmosphere.

Reviewed on Mar 8, 2026

Hyatt Place Denver South/Park Meadows
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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