Cheap flights from ONT to DEN (Ontario Intl. Airport to Denver Intl.)

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Cheap Flights from ONT to DEN starting at $33 One Way, $66 Round Trip

Prices starting at $66 for return flights and $33 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.

Wed, Oct 28 - Sat, Oct 31
ONT
Ontario
DEN
Denver
$66 Roundtrip, found 22 hours ago
$66
Roundtrip
found 22 hours ago
Select Frontier Airlines flight, departing Wed, Oct 28 from Ontario to Denver, returning Sat, Oct 31, priced at $66 found 22 hours ago
Wed, Sep 16 - Sat, Sep 19
ONT
Ontario
DEN
Denver
$67 Roundtrip, found 2 hours ago
$67
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Wed, Sep 16 from Ontario to Denver, returning Sat, Sep 19, priced at $67 found 2 hours ago
Tue, Sep 22 - Thu, Sep 24
ONT
Ontario
DEN
Denver
$68 Roundtrip, found 4 hours ago
$68
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Tue, Sep 22 from Ontario to Denver, returning Thu, Sep 24, priced at $68 found 4 hours ago
Thu, Oct 1 - Mon, Oct 5
ONT
Ontario
DEN
Denver
$77 Roundtrip, found 2 days ago
$77
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Oct 1 from Ontario to Denver, returning Mon, Oct 5, priced at $77 found 2 days ago
Mon, Sep 14 - Thu, Sep 17
ONT
Ontario
DEN
Denver
$82 Roundtrip, found 1 day ago
$82
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Sep 14 from Ontario to Denver, returning Thu, Sep 17, priced at $82 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
$350 nightly
The price is $405 total per night from Sep 4 to Sep 5
$405 total
Sep 4 - Sep 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 ...
The Westin Denver International Airport
Gaylord Rockies Resort & Convention Center

Gaylord Rockies Resort & Convention Center

4.5 out of 5
6700 North Gaylord Rockies Boulevard Aurora CO
$427 nightly
The price is $483 total per night from Aug 28 to Aug 29
$483 total
Aug 28 - Aug 29
Total with taxes and fees
Book a stay at this luxury hotel in Aurora. Enjoy a full-service spa, 6 restaurants, and 2 hot tubs. Our guests praise the helpful staff and the property condition ...
Gaylord Rockies Resort & Convention Center
Hyatt Place Peña Station/Denver Airport

Hyatt Place Peña Station/Denver Airport

3 out of 5
6110 NORTH PANASONIC WAY Denver CO
$102 nightly
The price is $118 total per night from Sep 11 to Sep 12
$118 total
Sep 11 - Sep 12
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 restaurant ...
9/10 Wonderful! (3,292 reviews)
"Clean quiet rooms and helpful front desk. Great place and location right on the light rail train for a great price!"

Reviewed on Aug 24, 2026

Hyatt Place Peña Station/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.

Hotels In Denver

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 Sep 7 to Sep 8
$126 total
Sep 7 - Sep 8
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 ...
Sonesta Denver Downtown
Hyatt Centric Downtown Denver

Hyatt Centric Downtown Denver

4 out of 5
1776 Champa St Denver CO
$123 nightly
The price is $142 total per night from Sep 7 to Sep 8
$142 total
Sep 7 - Sep 8
Total with taxes and fees
Stay at this hotel in Denver. Enjoy free WiFi, a rooftop terrace, and breakfast (surcharge). Our guests praise the restaurant and the helpful staff in our reviews. ...
9/10 Wonderful! (2,696 reviews)
"Valet was the worse. Had to park in an open lot 3 blocks away"

Reviewed on Aug 25, 2026

Hyatt Centric Downtown Denver
Renaissance Denver Hotel & Conference Center

Renaissance Denver Hotel & Conference Center

4 out of 5
3801 Quebec St Denver CO
$111 nightly
The price is $128 total per night from Sep 13 to Sep 14
$128 total
Sep 13 - Sep 14
Total with taxes and fees
Book a stay at this business-friendly hotel in Denver. Enjoy free WiFi, an outdoor pool, and breakfast (surcharge). Our guests praise the helpful staff and the ...
8.8/10 Excellent! (1,813 reviews)
"Friendly staff"

Reviewed on Aug 25, 2026

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
$91 nightly
The price is $105 total per night from Sep 1 to Sep 2
$105 total
Sep 1 - Sep 2
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 ...
7.4/10 Good! (1,829 reviews)
"Clean. Cheap. Convenient"

Reviewed on Aug 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
$97 nightly
The price is $110 total per night from Sep 1 to Sep 2
$110 total
Sep 1 - Sep 2
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 ...
Days Inn & Suites by Wyndham Denver International Airport
AmericInn by Wyndham Denver Airport

AmericInn by Wyndham Denver Airport

3 out of 5
7010 Tower Road Denver CO
$113 nightly
The price is $130 total per night from Aug 26 to Aug 27
$130 total
Aug 26 - Aug 27
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! (3,196 reviews)
"Good stay"

Reviewed on Aug 24, 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, room service, and a fitness center. Popular attractions Coors Field and Union Station ...
5/10 (1,000 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
$71 nightly
The price is $83 total per night from Sep 14 to Sep 15
$83 total
Sep 14 - Sep 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 ...
7.6/10 Good! (1,041 reviews)
"Super professional , clean room, ample parking, very quiet after a long drive."

Reviewed on Aug 25, 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
$95 nightly
The price is $109 total per night from Aug 26 to Aug 27
$109 total
Aug 26 - Aug 27
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 ...
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

4 out of 5
10393 Reed Street Westminster CO
$111 nightly
The price is $124 total per night from Sep 20 to Sep 21
$124 total
Sep 20 - Sep 21
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 ...
Drury Plaza Hotel Denver Westminster
The Westin Westminster

The Westin Westminster

4 out of 5
10600 Westminster Boulevard Westminster CO
$128 nightly
The price is $143 total per night from Sep 4 to Sep 5
$143 total
Sep 4 - Sep 5
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! (1,170 reviews)

Families like: Kids pool, cribs, rollaway beds

Travelers say...
"Clean room.parking was terrible. but overall I was just pleased with the initial stay very nice hotel 🏨"

Reviewed on Aug 23, 2026

The Westin Westminster
Hyatt Place Denver Tech Center

Hyatt Place Denver Tech Center

3 out of 5
8300 E Crescent Pkwy Greenwood Village CO
$110 nightly
The price is $121 total per night from Aug 30 to Aug 31
$121 total
Aug 30 - Aug 31
Total with taxes and fees
Book a stay at this business-friendly hotel in Greenwood Village. Enjoy free breakfast, free WiFi, and a fitness center. Our guests praise the breakfast and ...
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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