Cheap flights from Phoenix to Los Angeles from $47
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Phoenix to Los Angeles departing on 8/13. 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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Frontier flights from Phoenix to Ontario
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American Airlines flights from Phoenix to Ontario
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How to get the cheapest flight ticket from Phoenix to Ontario
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 Ontario?
In general, July is the cheapest month to fly from Phoenix to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $105. If you aren’t able to travel during the month of July, then book flights to Ontario from Phoenix during October instead. Flights to Ontario in October, while not as cheap as those in July, still average around $191.
What is the cheapest day to depart on your flight to Ontario?
The cheapest day to depart on your flight to Ontario is on a Saturday when prices can be found for as low as $188. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Phoenix to Ontario for around $250.
What is the cheapest time of day to depart on your flight to Ontario?
At noon is the cheapest time of day to fly from Phoenix to Ontario when you can find flight prices for as low as $150. Flying to Ontario at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $243 on average. Flights to Ontario from Phoenix in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Phoenix to Ontario flight route?
Fly from Phoenix Sky Harbor Intl to Ontario for the best Phoenix - Ontario flight prices
How far in advance should I book a flight to Ontario?
You are more likely to see cheaper flights to Ontario from Phoenix when booking 17 weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $218 when searching 17 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Phoenix for as low as $93 on momondo.
What cabin class options are available on Phoenix to Ontario flights?
There are 2 cabin classes available to choose from on Phoenix to Ontario 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 Phoenix to Ontario?
Southwest, American Airlines, and Frontier are the most popular carriers operating from Phoenix to Ontario
What airlines fly to Ontario?
Frontier, American Airlines and Southwest are the top three most popular airlines that fly to Ontario from Phoenix according to our data. Frontier is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.
How many flights depart from Phoenix to Ontario on average per day?
9 flights are operational daily from Phoenix to Ontario as of June 2025. The most popular departure time for this route is 5:00PM, with 40% of flights per day taking off in the afternoon.
How many flights depart from Phoenix to Ontario on average per week?
As of June 2025, there are 67 flights per week flying from Phoenix to Ontario. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.
Cheap Phoenix to Ontario flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Phoenix to Ontario
How far is Phoenix to Ontario by plane?
The distance between Phoenix and Ontario is about 322.9 mi. 1h 10m is a normal flight duration for this route.
When did momondo last update prices for flights from Phoenix to Ontario Airport?
Prices for flights from Phoenix to Ontario Airport are updated daily.
How many operators does momondo search for flights from Phoenix to Ontario Airport?
As of June 2025, there are 3 operators available to choose from for flights from Phoenix to Ontario Airport.
How old do you have to be to fly from Phoenix to Ontario Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Phoenix to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Phoenix to Ontario
Compare and see reviews for airlines that fly from Phoenix to Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $40 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $120 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $128 | Free Cancellation | Rating 8.0 4,287 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Phoenix to Ontario?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Phoenix to Ontario. momondo saves you time and could save you money on your trip.
Can I find flights from Phoenix to Ontario with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Ontario from Phoenix with this policy.
How can momondo help me find flights from Phoenix to Ontario?
momondo provides multiple filters to help you find the best flight to Ontario from Phoenix. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Phoenix to Ontario right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Phoenix and alert you when they change.