Cheap flights from Ontario to Arizona from $39
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Arizona departing on 8/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Ontario to Arizona
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Arizona?
The month of July is, on average, the cheapest month to fly to Arizona from Ontario, with most prices found around $158. If you aren’t able to travel to Arizona during the month of July, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $161.
What is the cheapest day to depart on your flight to Arizona?
On average, the least expensive day to fly to Arizona from Ontario is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $388. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Arizona is Sunday, with ticket prices averaging around $479.
What is the cheapest time of day to depart on your flight to Arizona?
Our most recent data shows that the best time of day to fly to Arizona is in the evening. Flights from Ontario to Arizona during this time can be as low as $372. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $417 on average. Flights to Arizona from Ontario in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Ontario to Arizona flight route?
Fly from Ontario to Phoenix Sky Harbor Intl for the best Ontario - Arizona flight prices
How far in advance should I book a flight to Arizona?
You are more likely to see cheaper flights to Arizona from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Arizona for around $232 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Arizona from Ontario for as low as $140 on momondo.
What cabin class options are available on Ontario to Arizona flights?
There are 4 cabin classes available to choose from on Ontario to Arizona flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Ontario to Arizona?
Frontier, American Airlines, and Southwest are the most popular carriers operating from Ontario to Arizona
What airlines fly to Arizona?
Frontier, American Airlines and Southwest are the top three most popular airlines that fly to Arizona from Ontario according to our data. Frontier is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Arizona. Keep in mind that there are 9 different airlines that fly to Arizona on a routine basis, so you have a few additional options to choose from.
How many flights depart from Ontario to Arizona on average per day?
The number of flights available between Ontario and Arizona is 9 per day as of July 2025. The most frequent departure time is 4:00PM, with 52% of daily flights leaving in the afternoon.
How many flights depart from Ontario to Arizona on average per week?
66 flights are operational weekly from Ontario to Arizona as of July 2025. The most popular departure day for this route is Mon, with 27% of flights per week taking off on this day.
Cheap Ontario to Arizona flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Arizona
When did momondo last update prices for flights from Ontario Airport to Arizona?
Prices for flights from Ontario Airport to Arizona refresh daily.
How many operators does momondo search for flights from Ontario Airport to Arizona?
As of July 2025, there are 4 operators available to choose from for flights from Ontario Airport to Arizona.
How old do you have to be to fly from Ontario Airport to Arizona?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Arizona.
What documentation or ID do you need to fly to Arizona?
The travel and health documents required for your trip to Arizona can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Arizona. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Ontario to Arizona?
momondo data reveals that the most frequently booked plane model on the route from Ontario to Arizona is Airbus A321-100/200, representing 9.96% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 8.76%, Airbus A321neo at 8.59%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 8.56%.
Best airlines flying from Ontario to Arizona
Compare and see reviews for airlines that fly from Ontario to Arizona with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $38 | Free Cancellation | Rating 5.9 3,289 reviews | |||
| PriceFrom $112 | Free Cancellation | Rating 8.0 4,275 reviews | |||
| PriceFrom $126 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ontario to Arizona?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Arizona. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Ontario to Arizona with flexible booking policies on momondo?
Flights from Ontario to Arizona with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Ontario to Arizona?
Once all potential Ontario to Arizona flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Ontario to Arizona right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Arizona, momondo offers a useful price alert feature which will track prices for flights to Arizona from Ontario and alert you when they change.