Question 1

How long does it take to travel from Denver to Ontario?

Accepted Answer

A one-way nonstop (direct) flight between Denver and Ontario takes around 2.4 hours.

Question 2

What is the flight distance between Denver and Ontario?

Accepted Answer

The flight distance between Denver and Ontario is 1317 km.

Question 3

What airlines offer nonstop (direct) flights between Denver and Ontario?

Accepted Answer

Several carriers operate flights between Denver and Ontario. Airlines offering nonstop (direct) flights include Frontier Airlines, United Airlines.

Question 4

What are the most popular routes to and from Denver?

Accepted Answer

Travelers frequently search for route combinations, such as Denver and Mexico City, London, Guadalajara, Los Angeles, Vancouver, Cancún, Tokyo, Edinburgh, Las Vegas, New York, Puerto Escondido, Oaxaca, Toronto, Houston, Monterrey, Washington, D.C., Chicago, San Francisco, Medellín, Phoenix, Chihuahua.

Question 5

What are the most popular routes to and from Ontario?

Accepted Answer

Travelers frequently search for route combinations, such as Ontario and London, San Francisco, Guadalajara, Las Vegas, Seattle, Dallas, Houston, Sacramento, Portland, Atlanta, Chicago, Los Angeles, New York, Toronto, Calgary, Vancouver, Mexico City, Edmonton, Washington, D.C., Orlando.

Question 6

Which airports are there in Denver?

Accepted Answer

Denver is mainly served by Denver International. But there are other airports nearby, including Centennial Airport, Rocky Mountain Metropolitan Airport.

Question 7

What airports are near Denver?

Accepted Answer

The main airport in Denver is Denver International. It is also served by Eagle County Regional, Colorado Springs, Pueblo Memorial, Cheyenne Regional, Laramie Regional.

Question 8

What airports are near Ontario?

Accepted Answer

The main airport in Ontario is Ontario International. It is also served by Tijuana International, San Diego International, John Wayne, Ontario International, Hollywood Burbank, Palm Springs International, Santa Barbara Municipal, McClellan–Palomar, Long Beach, Imperial County.

Question 9

Which airlines fly between Denver and Ontario?

Accepted Answer

Currently, you can fly between Denver and Ontario with Frontier Airlines, United Airlines, Alaska Airlines, JetBlue Airways.

Question 10

When’s the best time to travel between Denver and Ontario?

Accepted Answer

If you don’t have specific dates for your trip between Denver and Ontario, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Question 11

What flights operate between Denver and Ontario?

Accepted Answer

Traveling between Denver and Ontario, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

Question 12

How many airports are there near Denver?

Accepted Answer

There are a number of airports in and around Denver. The main one is Denver International and other nearby airports include Eagle County Regional, Colorado Springs, Pueblo Memorial, Cheyenne Regional, Laramie Regional

Question 13

How many airports are there near Ontario?

Accepted Answer

There are a number of airports in and around Ontario. The main one is Ontario International and other nearby airports include Tijuana International, San Diego International, John Wayne, Ontario International, Hollywood Burbank, Palm Springs International, Santa Barbara Municipal, McClellan–Palomar, Long Beach, Imperial County.

Question 14

What time do nonstop (direct) flights between Denver and Ontario depart?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Denver, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 15

What time do nonstop (direct) flights between Denver and Ontario arrive?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Ontario, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Question 16

What time do flights between Denver and Ontario depart?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Denver, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 17

What time do flights between Denver and Ontario arrive?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Ontario, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Cheapest one-way trip	£48
Cheapest round-trip	£83
Average round-trip	£195
Nonstop flights in July	£48 – £249
Most popular airline	Frontier Airlines

Airline	Mon 06.07	Tue 07.07	Wed 08.07	Thu 09.07	Fri 10.07	Sat 11.07	Sun 12.07
Frontier Airlines	2	2	2	2	2	2	2
United Airlines	2	2	2	2	2	2	2
Weekly flights: 28 total	Daily flights: 4 average	Most flights: Monday 2 flights

Airline	Mon 13.07	Tue 14.07	Wed 15.07	Thu 16.07	Fri 17.07	Sat 18.07	Sun 19.07
Frontier Airlines	2	2	2	2	2	2	2
United Airlines	2	2	2	---	2	2	2
Weekly flights: 26 total	Daily flights: 3.71 average	Most flights: Monday 2 flights

Airline	Mon 20.07	Tue 21.07	Wed 22.07	Thu 23.07	Fri 24.07	Sat 25.07	Sun 26.07
Frontier Airlines	2	2	2	2	2	2	2
United Airlines	2	2	2	2	2	2	2
Weekly flights: 28 total	Daily flights: 4 average	Most flights: Monday 2 flights

Airline	Mon 27.07	Tue 28.07	Wed 29.07	Thu 30.07	Fri 31.07	Sat 01.08	Sun 02.08
Frontier Airlines	2	2	2	2	2	2	2
United Airlines	2	2	2	2	2	2	1
Weekly flights: 27 total	Daily flights: 3.86 average	Most flights: Monday 2 flights

Cheap flights from Denver to Ontario from £48

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Ontario travel tips

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

Check out homemade desserts at Marie Callender's in Ontario

Reveal the crime at the DoubleTree by Hilton in Ontario

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Company

Platform

Features

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Name	Carrier code	IATA Code	Passport needed during booking
Frontier Airlines	FFT	F9	No
United Airlines	UAL	UA	No
Alaska Airlines	ASA	AS	No
JetBlue Airways	JBU	B6	No

Month	Average monthly max temperature	Average monthly min temperature
January	18°C	7°C
February	18°C	7°C
March	20°C	8°C
April	23°C	10°C
May	25°C	12°C
June	29°C	16°C
July	32°C	19°C
August	33°C	20°C
September	31°C	18°C
October	27°C	14°C
November	22°C	10°C
December	17°C	7°C