Direct (non-stop) flights from Denver (DEN) to Ontario (ONT)
Find comprehensive flight information, schedules, and booking details for direct flights from Denver (DEN), US to Ontario (ONT), US. This popular route is operated by 3 airlines, offering multiple daily departures.• Flight Duration: 2h 13m - 2h 40m (average flight time)• Distance: 822 miles (1323 km) (air miles between airports)• Daily Flights: 7-12 flights (scheduled departures per day)
Denver (DEN)
US
Ontario (ONT)
US
FLIGHT TIME
2h 13m - 2h 40m
FLIGHT DISTANCE
822 miles (1323 km)
2h 18m - 2h 28m
07:50
22:45
822 miles (1323 km)
February
3 (Show)
60
Terminal B & Terminal A (Denver (DEN))
Terminal 2 (Ontario (ONT))
Flight Schedule
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Airlines Operating This Route
Southwest Airlines (WN), Frontier Airlines (F9), United Airlines (UA)
Click any airline to view their specific flight schedules, policies, and route details for this connection. You can also explore flights from Denver (DEN) and flights to Ontario (ONT).
Route Insights
Route Demand
This route sees high demand with 60 weekly flights, making it one of the busiest connections between Denver (DEN) and Ontario (ONT).
Route Importance
Multiple airlines compete on this route (3 carriers), indicating its significance in connecting Denver (DEN) and Ontario (ONT). This competition often leads to competitive pricing and multiple daily departure options.
Best Time to Fly
Best Value Period
February typically offers the best value for travelers, with lower average fares compared to peak travel periods.
Price Trends
Price variation throughout the year is significant, with Feb being the most affordable month and prices increasing during peak travel seasons.
Distance & Duration Explained
Route Distance
At 822 miles (1323 km), this is an ultra-long-haul route between Denver (DEN) and Ontario (ONT), requiring larger aircraft and extended flight times.
Flight Duration
Flight duration averages 2h 13m - 2h 40m, with actual times ranging from 2h 18m - 2h 28m depending on aircraft type, wind conditions, and routing.
Airline Comparison
Available Airlines
Travelers have 3 airline options on this route: Southwest Airlines, Frontier Airlines, United Airlines. Each airline offers different schedules, pricing, and service levels to meet various travel needs.
Flight Frequency
Southwest Airlines operates the most flights on this route with 4 daily departures, followed by Frontier Airlines and United Airlines.
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Best Time to Visit & Travel Planning
Cheapest Day
Cheapest Month
Average Fare
$404
Travel Planning Tips for Denver (DEN) to Ontario (ONT)
- Best Day to Book
Wednesday typically offers the lowest fares for flights from Denver (DEN) to Ontario (ONT). Consider booking on this day for potential savings.
- Best Month to Travel
March is generally the cheapest month to fly from Denver (DEN) to Ontario (ONT). Plan your trip during this month for the best deals.
- Average Flight Price
The average fare for flights from Denver (DEN) to Ontario (ONT) is approximately $404. Prices may vary based on booking time, season, and airline.
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Related Pages
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Frequently Asked Questions
How many flights operate from Denver (DEN) to Ontario (ONT)?
There are 8 direct flights operating from Denver (DEN) to Ontario (ONT). Approximately 7-12 flights daily.
Which airlines operate flights from Denver (DEN) to Ontario (ONT)?
3 airlines operate on this route: Southwest Airlines, Frontier Airlines, United Airlines.
How long is the flight from Denver (DEN) to Ontario (ONT)?
The flight duration from Denver (DEN) to Ontario (ONT) is approximately 2h 13m - 2h 40m.
What is the distance from Denver (DEN) to Ontario (ONT)?
The distance from Denver (DEN) to Ontario (ONT) is 822 miles (1323 km).
What is the flight time range for this route?
Flight times on this route range from 2h 18m - 2h 28m.
What are the earliest and latest flight departure times?
The earliest flight departs at 07:50 and the latest flight departs at 22:45.
What is the cheapest month to fly from Denver (DEN) to Ontario (ONT)?
February is typically the cheapest month to fly on this route.
How many flights operate per week on this route?
Approximately 60 flights operate per week from Denver (DEN) to Ontario (ONT).
What types of aircraft operate on this route?
This route is served by Boeing 737MAX 8 Passenger, Airbus A320neo, Airbus A320, Boeing 737-800 (winglets) Passenger/BBJ2, Boeing 737-800 Passenger.
What is the average flight price from Denver (DEN) to Ontario (ONT)?
The average flight price for a round-trip ticket from Denver (DEN) to Ontario (ONT) is approximately $184 USD. Prices can vary based on booking time, season, and airline.
When is the best time to book flights from Denver (DEN) to Ontario (ONT) for the lowest prices?
February is typically the cheapest month to fly from Denver (DEN) to Ontario (ONT). Booking in advance and avoiding peak travel seasons can help you find better deals.
How many airlines offer flights from Denver (DEN) to Ontario (ONT)?
3 airlines offer direct flights from Denver (DEN) to Ontario (ONT), providing travelers with multiple options for scheduling and pricing.
How far is Ontario (ONT) from Denver (DEN)?
The distance from Denver (DEN) to Ontario (ONT) is 822 miles (1323 km). This is a long-haul flight route.
How long does it take to fly from Denver (DEN) to Ontario (ONT)?
The flight time from Denver (DEN) to Ontario (ONT) is approximately 2h 13m - 2h 40m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.
What city does Ontario (ONT) serve?
Ontario (ONT) serves Ontario, US.