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Amazing Frontier Airlines DEN to ONT Flight Deals

The cheapest flights to Los Angeles - Ontario Intl. found within the past 7 days were $81 round trip and $64 one way. Prices and availability subject to change. Additional terms may apply.

ONT From DEN Economy Coach Packages on Similar Airlines


Carrier Flight Depart DEN Arrive ONT Wed
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F9 371 02:49 pm 04:02 pm Check fare - - Check fare - Check fare - 0 stop(s)
F9 373 05:45 pm 07:00 pm - - Check fare - - - - 0 stop(s)
F9 375 01:04 pm 02:18 pm - - - Check fare - - - 0 stop(s)

FAQs about Frontier Airlines Flights from DEN to ONT

What terminal is Frontier Airlines at Denver Airport?

If you're flying between Denver, CO Airport (DEN-Denver Intl.) and Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) with Frontier Airlines, you're likely to be setting off from the main terminal. Your airline should be able to let you know exactly which terminal you'll be jumping off the plane at.

Are there Frontier Airlines non-stop flights from DEN to ONT?

If you need to get from Denver, CO Airport (DEN-Denver Intl.) to Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) and want a direct flight, Frontier Airlines has you covered. Lock in your seat now and you'll be living it up at the other end before you know it.

How long is a Frontier Airlines flight from DEN to ONT?

As it'll take around 4 hours and 27 minutes for your Frontier Airlines flight to get from Denver, CO Airport (DEN-Denver Intl.) to Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.), think about packing some fun travel games in your cabin bag. You never know — the person next to you might appreciate the opportunity to play to break up the trip.

What type of aircraft does Frontier Airlines fly from DEN to ONT?

When you cruise the skies between DEN and ONT with Frontier Airlines, you'll typically be doing it aboard the Airbus A320. The carrier also operates the Airbus A321 on this route.

How many direct and indirect flights does Frontier Airlines fly from DEN to ONT?

Every month, Frontier Airlines flies from Denver, CO Airport (DEN-Denver Intl.) to Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) around 22 times.

Flying Tips & Tricks How do I find my flight number?
  • Check your inbox after booking — there should be an itinerary for your flight. The flight number will be written on the document's first page.
How early can you check bags for a flight?
  • Check-in and luggage drop times can vary between airlines. But if you're taking an international flight, aim to be at the airport terminal approximately three hours before departure. Taking a domestic flight? Normally, you can check your luggage in at least two hours before takeoff. Latecomers take note — check-in generally closes an hour before takeoff for international flights and 45 minutes before for domestic ones.

Frontier Airlines Flights from DEN to ONT

What airlines fly from DEN (Denver) to ONT (Los Angeles)?

There are several airlines like that fly from DEN (Denver) to ONT (Los Angeles) .


How long is the flight from DEN (Denver) to ONT (Los Angeles)?

️The flight from DEN to ONT is hours minutes non-stop, during that time you will fly about .


How many flights are flown between DEN (Denver) to ONT (Los Angeles)?

️Approximately flights per day.


How many distance from DEN (Denver) to ONT (Los Angeles)?

The distance between DEN and ONT airports is about .


What is the earliest and latest flight of the day from DEN (Denver) to ONT (Los Angeles)??

The earliest flight leaves DEN at and arrives at ONT at The last flight of the day departs DEN at and arrives at ONT at .


*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.