Cheap flights from Denver to Ontario

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1317 km
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Ontario travel tips

1) Watch a few interesting exhibitions at the Chaffey Community Museum of Art in Ontario

Go to the Chaffey Community Museum of Art at 217 S Lemon Avenue in Ontario to get some inspiration. Exhibits always change there, but a few permanent ones are worth seeing. Check out the "Gem of the Foothills" that promotes the city's unique history and the "Road Ways" about American society.

2) Check out homemade desserts at Marie Callender's in Ontario

Head to 3505 Merrill Avenue in Ontario to try desserts with tasty homemade cream. There is an option for everyone: lemon meringue, chocolate cream, German chocolate, double cream blueberry, or custard.

3) Reveal the crime at the DoubleTree by Hilton in Ontario

Head to the DoubleTree by Hilton at 222 N Vineyard Avenue in Ontario to solve some mysteries during the dinner. This is where the largest interactive murder mystery comedy dinner show in the U.S. takes place. You will get a unique experience with popular professional actors.

Travelers usually depart from Denver International, or Denver Union Station when they travel from Denver to Ontario. Book your trip to arrive at Ontario International, Ontario Bus Stop, Ontario, CA station, or Montclair (Ontario). The distance between Denver and Ontario is 1317 km. The most popular airlines for this route are Frontier Airlines, American Airlines, Delta Air Lines, United Airlines, and Spirit Airlines. Denver and Ontario have 156 direct flights per week.

Weekly direct flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Direct flights3333-33
Fly direct with

Frontier Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

United Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Check-in for a flight from Denver to Ontario

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
American AirlinesAALAAYesNo
Delta Air LinesDALDLYesOpens 24 days before flight
Closes 1 hours before flight
United AirlinesUALUAYesNo
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight

Frequently asked questions

How long does it take to travel from Denver to Ontario?
A one-way nonstop (direct) flight between Denver and Ontario takes around 2.4 hours.
What is the flight distance between Denver and Ontario?
The flight distance between Denver and Ontario is 1317 km.
What airlines offer nonstop (direct) flights between Denver and Ontario?
Several carriers operate flights between Denver and Ontario. Airlines offering nonstop (direct) flights include Frontier Airlines, United Airlines.
What are the most popular routes to and from Denver?
Travelers frequently search for route combinations, such as Denver and London, Calgary, Dublin, Manchester, New York, San Francisco, Glasgow, Chicago, Las Vegas, Toronto, Washington, D.C., Los Angeles, Buffalo, Riga, Austin, San Jose, Phoenix, Detroit, Houston, Vancouver.
What are the most popular routes to and from Ontario?
Travelers frequently search for route combinations, such as Ontario and London, New York, Bangkok, San Francisco, Sacramento, Taipei, Manila, Toronto, Calgary, Seattle, Las Vegas, San Jose, Orlando, Houston, Macau, Los Angeles, Washington, D.C., Guadalajara, Detroit, Oakland.
Which airports are there in Denver?
Denver is mainly served by Denver International. But there are other airports nearby, including Rocky Mountain Metropolitan Airport, Centennial Airport.
What airports are near Denver?
The main airport in Denver is Denver International. It is also served by Colorado Springs, Eagle County Regional, Cheyenne Regional, Laramie Regional, Pueblo Memorial.
What airports are near Ontario?
The main airport in Ontario is Ontario International. It is also served by Los Angeles International, San Diego International, Ontario International, John Wayne, Tijuana International, Hollywood Burbank, Palm Springs International, Long Beach, Meadows Field, Santa Barbara Municipal.
What buses and trains depart from Denver?
A number of bus and train companies depart from Denver, including Greyhound.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Denver and Ontario?
What is Virtual Interlining and how do I use it?
Which airlines fly between Denver and Ontario?
When's the best time to travel between Denver and Ontario?
What flights operate between Denver and Ontario?
How many airports are there near Denver?
How many airports are there near Ontario?
Is it possible to reach Denver by bus or train?
What time do nonstop (direct) flights between Denver and Ontario depart?
What time do nonstop (direct) flights between Denver and Ontario arrive?
What time do flights between Denver and Ontario depart?
What time do flights between Denver and Ontario arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

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