Cheap flights from Ontario to Phoenix 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 Phoenix 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 Phoenix
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 typical price of a round-trip flight between Ontario and Phoenix?
What is the cheapest month to fly to Phoenix?
If you are unable to visit Phoenix during the month of July, then departing from Ontario during the month August is also very affordable. Most momondo users find prices during this month for around $161.
What is the cheapest day to depart on your flight to Phoenix?
On average, the least expensive day to fly to Phoenix from Ontario is on a Saturday. momondo users have found tickets for Saturday departures for as low as $198. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $294.
What is the cheapest time of day to depart on your flight to Phoenix?
The cheapest time of day to fly to Phoenix is at noon when flights can be purchased for as low as $156. In the morning is when there is more demand to fly to Phoenix, so prices are often more expensive at around $291 per ticket.
What is the cheapest Ontario to Phoenix flight route?
Fly from Ontario to Phoenix Sky Harbor Intl for the best Ontario - Phoenix flight prices
How far in advance should I book a flight to Phoenix?
You are more likely to see cheaper flights to Phoenix from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix for around $232 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix from Ontario for as low as $140 on momondo.
What cabin class options are available on Ontario to Phoenix flights?
There are 4 cabin classes available to choose from on Ontario to Phoenix 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 Phoenix?
Frontier, American Airlines, and Southwest are the most popular carriers operating from Ontario to Phoenix
What airlines fly to Phoenix?
Frontier, American Airlines and Southwest are the top three most popular airlines that fly to Phoenix from Ontario according to our data. Frontier is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Phoenix. Keep in mind that there are 8 different airlines that fly to Phoenix on a routine basis, so you have a few additional options to choose from.
How many flights depart from Ontario to Phoenix on average per day?
As of June 2025, 7 flights take off from Ontario and land in Phoenix each day. The most common flight departure time for this route is 4:00PM, with 52% of daily flights taking off in the afternoon.
How many flights depart from Ontario to Phoenix on average per week?
The number of flights available between Ontario and Phoenix is 55 per week as of June 2025. The most frequent departure day is Mon, with 18% of weekly flights leaving on this day.
Cheap Ontario to Phoenix flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Phoenix
How far is Ontario to Phoenix by plane?
The straight-line distance from Ontario to Phoenix is 322.9 mi. By plane, this route typically takes 1h 10m.
When did momondo last update prices for flights from Ontario Airport to Phoenix?
Prices for flights from Ontario Airport to Phoenix are updated daily.
How many operators does momondo search for flights from Ontario Airport to Phoenix?
As of June 2025, there are 3 operators available to choose from for flights from Ontario Airport to Phoenix.
How old do you have to be to fly from Ontario Airport to Phoenix?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Phoenix.
What documentation or ID do you need to fly to Phoenix?
The travel and health documents you'll need for your trip to Phoenix may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Phoenix. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Ontario to Phoenix
Compare and see reviews for airlines that fly from Ontario to Phoenix with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $38 | Free Cancellation | Rating 5.9 3,293 reviews | |||
| PriceFrom $112 | Free Cancellation | Rating 8.0 4,278 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 Phoenix?
It is quick and easy to find Ontario to Phoenix flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Phoenix that suits you.
Can I find flights from Ontario to Phoenix with flexible booking policies on momondo?
Flights from Ontario to Phoenix 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 Phoenix?
Once all potential Ontario to Phoenix 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 Phoenix right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Ontario to Phoenix flights. All you need is a valid email address and we will do the rest; it is that quick and easy.