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Cheap flights from Denver to Ontario (DEN - ONT)

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The best prices from Denver to Ontario are usually found in February or January, booked 28 days in advance, depart on a Tuesday or Thursday and return on a Thursday

Cheap flights from Denver to Ontario
$250
$210
$170
$130
Price
$130 - $222
Most popular in December High demand for flights, 7% potential price rise
Cheapest in February Best time to find cheap flights, 3% potential price drop
Average price $222 Price for this month
Cheapest price $130 From Denver to Ontario

Cheap flights from Denver to Ontario in December 2019

The best prices found for DEN to ONT flights for December
31 Dec - 7 Jan
$188pp
DEN
Denver Intl
United Airlines
Non-Stop
ONT
Ontario
ONT
Ontario
United Airlines
Non-Stop
DEN
Denver Intl
30 Dec - 3 Jan
$196pp
DEN
Denver Intl
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
DEN
Denver Intl
19 Dec - 11 Jan
$204pp
DEN
Denver Intl
American Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
American Airlines
 
1 STOP
DEN
Denver Intl

Denver to Ontario 2020 flight deals

Cheap flights to Ontario from Denver found for this year
30 Jan - 2 Feb
$97pp
DEN
Denver Intl
United Airlines
Non-Stop
ONT
Ontario
ONT
Ontario
United Airlines
Non-Stop
DEN
Denver Intl
19 Jan - 23 Jan
$114pp
DEN
Denver Intl
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
DEN
Denver Intl
4 Feb - 6 Feb
$126pp
DEN
Denver Intl
American Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
American Airlines
Non-Stop
DEN
Denver Intl

Non-stop flights to Ontario from Denver

Save time with Denver to Ontario direct flight deals
7 Jan - 30 Jan
$77pp
DEN
Denver Intl
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
DEN
Denver Intl
9 Jan - 13 Jan
$97pp
DEN
Denver Intl
United Airlines
Non-Stop
ONT
Ontario
ONT
Ontario
United Airlines
Non-Stop
DEN
Denver Intl
23 Jan - 24 Jan
$98pp
DEN
Denver Intl
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
DEN
Denver Intl

Last minute flights from Denver to Ontario

Late deals on round-trip flights to Ontario from Denver, departing today and this week
16 Dec - 24 Dec
$234pp
DEN
Denver Intl
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
DEN
Denver Intl
13 Dec - 17 Dec
$271pp
DEN
Denver Intl
United Airlines
Non-Stop
ONT
Ontario
ONT
Ontario
United Airlines
 
1 STOP
DEN
Denver Intl
17 Dec - 24 Dec
$273pp
DEN
Denver Intl
Delta
 
1 STOP
ONT
Ontario
ONT
Ontario
Delta
Non-Stop
DEN
Denver Intl

Alternative routes for Denver to Ontario

Grand Junction to San Diego from $230 pp
Aspen to San Diego from $232 pp
Gunnison to San Diego from $470 pp

Destination information for Ontario

Things to know before you go. Useful info for your trip from Denver to Ontario
Flight duration
2h 22m

Airports servicing Denver

Denver (DEN)

Airports servicing Ontario

Ontario (ONT)

Popular flight searches

Check out other popular destinations found by fellow travelers
Weekly flight availability
from Denver to Ontario
Sunday
8 daily flights
Monday
9 daily flights
Tuesday
8 daily flights
Wednesday
8 daily flights
Thursday
8 daily flights
Friday
9 daily flights
Saturday
5 daily flights

Related info for your journey

Useful info, stats and facts about Denver to Ontario flights.

Flight FAQs

From Denver to Ontario

What days are nonstop flights available from Denver to Ontario?

Nonstop flights are available for this route on the following days: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How popular is this flight route?

This flight path from Denver Intl to Ontario was viewed by 813 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What percent of flights are delayed?

Based on our current data flights from Denver to Ontario are usually delayed by up to 64min. or more.

How many passenger seats are available on a flight on this route?

Commercial airlines for the flight route can seat a total of 594 passengers per day from Denver Intl to Ontario.

What is the cheapest airline for this route?

Currently, SkyWest Airlines offers the cheapest flights from Denver to Ontario. On average 58 flights can be found for this airline route daily.

How long does the flight from Denver to Ontario take?

Travelers can expect a nonstop flight to take approximately 3 hours, flying a distance of about 511 miles.

How many flights depart from Denver to Ontario on average per day?

Travelers can expect 14 flights from Denver Intl to Ontario on average per day.
Morning (6am - Noon) - 36% of flight departures
Afternoon (Noon - 6pm) - 7% of flight departures
Evening (6pm - Midnight) - 57% of flight departures

Does it rain more in Denver or Ontario?

When traveling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Denver is roughly similar to Ontario. You can assume this to be the case over the next 5 days.

Is Denver weather warmer or cooler than Ontario?

Our data indicates that the weather will be 95 °F on average in the month of July. The temperature in Ontario is typically hotter than in Denver. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

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