Cheap flights from Ontario to Las Vegas (ONT - LAS) from $19

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

Users have found that booking a flight from Ontario to Las Vegas at least 16 days early can save you up to 23% on average compared to booking a flight this week. If booking 16 days before your flight isn’t an option for you, users have found flights from Ontario to Las Vegas for as little as $109 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $147 for flights departing within the next 3 days.

Our data shows that January tends to be the cheapest month to fly to Las Vegas from Ontario. Users have commonly found prices around $125 for the month, but tickets can be as low as $51. Due to multiple factors, prepare for potentially higher prices in May.

A simple way to save on the total cost of your ticket is to fly from Ontario to Las Vegas in the morning. If you’re flexible enough to do this you can expect to save up to 46% on your trip compared to booking a flight at noon.

Las Vegas Harry Reid Intl is the airport most travelers will use when flying to Las Vegas from Ontario. Booking flights from Ontario (ONT) to Harry Reid Intl (LAS) should be relatively easy as there are 6 daily flights to Las Vegas from 7 different airlines. 1h 00m is how long a flight from Ontario to Las Vegas Harry Reid Intl will take if you book a nonstop flight.

Yes, there are multiple flights from Ontario to Las Vegas for under $100. The cheapest flight booked recently is on Frontier for just $38, but on average you can expect to pay $47.

Cheapflights has at least 20 direct flights from Ontario to Las Vegas under $100. A good price for a nonstop flight from Ontario to Las Vegas is less than $47.

There are currently 20+ open flights from Ontario to Las Vegas within the next 7 days for less than $100.

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

The Ontario to Las Vegas Harry Reid Intl flight path was viewed by 106 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

21 flight departures from Ontario to Las Vegas per day on average.
Morning (6am - Noon) - 38% of flight departures
Afternoon (Noon - 6pm) - 33% of flight departures
Evening (6pm - Midnight) - 29% of flight departures

Frontier can get you from Ontario to Las Vegas in just under 1h 16m. Your travel time will be generally consistent. Ontario and Las Vegas are separated by a distance of 198 mi. All flights are typically nonstop.

Currently priced at $38, Frontier will fly you from Ontario to Las Vegas and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Users have found that Frontier is 52% cheaper than the other options available to this destination.

Consider Ravn Alaska, American Airlines or Delta when booking your flight. These represent the most popular airlines when flying from Ontario to Las Vegas.

No one likes to see their flight delayed. When booking a flight from Ontario to Las Vegas consider choosing Frontier (85%), Southwest (76%) or Ravn Alaska (13%) as they are the most reliable in getting you off to your destination on time.

Looking for the cheapest flight from Ontario to Las Vegas? While on average our users pay $80, our data indicates the cheapest price to be $21. The most popular route (Ontario - Las Vegas Harry Reid Intl), is priced around $38.

This is defined as Ontario Airport (ONT) and Las Vegas Harry Reid Intl Airport (LAS). Codes like Las Vegas Harry Reid Intl Airport are often used to just call airports uniquely.

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Las Vegas from Ontario today with Cheapflights!

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Las Vegas from Ontario.

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to Las Vegas flexibly with Cheapflights today.

Yes! Start tracking prices for Ontario to Las Vegas flights today and get alerted whenever prices for these flights change. To access this feature, navigate to the search form above to perform a search, which will then prompt you for a valid email address to use the tool.