How many flights depart from Ontario to Arizona on average per day?

The number of flights available between Ontario and Arizona is 15 per day as of May 2026. The most frequent departure time is 12:00PM, with 60% of daily flights leaving in the afternoon.

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 42% of people opting to fly with this airline when traveling to Arizona. Keep in mind that there are 10 different airlines that fly to Arizona on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Ontario to Arizona?

Frontier, Southwest, and American Airlines are the most popular carriers operating from Ontario to Arizona

How many flights depart from Ontario to Arizona on average per week?

109 flights are operational weekly from Ontario to Arizona as of May 2026. The most popular departure day for this route is Thu, with 20% of flights per week taking off on this day.

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 May 2026, there are 5 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.

$44 Cheap Flights from Ontario to Arizona in 2026

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Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:30 pm - 4:43 pm

ONT

LAS

1h 13mnonstop

6:22 pm - 7:32 pm

LAS

ONT

1h 10mnonstop

$74Frontier

Thu, May 28 - Mon, Jun 1

3:30 pm - 4:43 pm

ONT

LAS

1h 13mnonstop

6:22 pm - 7:32 pm

LAS

ONT

1h 10mnonstop

$75Frontier

Sat, May 30 - Mon, Jun 1

11:51 am - 1:02 pm

ONT

LAS

1h 11mnonstop

1:59 pm - 3:09 pm

LAS

ONT

1h 10mnonstop

$76Frontier

Thu, May 28 - Mon, Jun 1

7:20 pm - 8:35 pm

ONT

PHX

1h 15mnonstop

6:50 pm - 8:00 pm

PHX

ONT

1h 10mnonstop

$137Southwest

Tue, Jun 16 - Wed, Jun 17

6:35 pm - 9:40 pm

ONT

PHX

3h 05m

1 stop

9:50 pm - 11:00 pm

PHX

ONT

1h 10mnonstop

$147Southwest

Tue, Jun 16 - Tue, Jun 23

10:55 am - 2:40 pm

ONT

PHX

3h 45m

1 stop

6:35 pm - 10:15 pm

PHX

ONT

3h 40m

1 stop

$157Southwest

Tue, Jun 2 - Tue, Jun 2

6:10 am - 9:32 am

ONT

TUS

3h 22m

1 stop

2:58 pm - 6:21 pm

TUS

ONT

3h 23m

1 stop

$303American Airlines

Thu, Jun 4 - Tue, Jun 9

6:10 am - 9:32 am

ONT

TUS

3h 22m

1 stop

5:23 pm - 10:02 pm

TUS

ONT

4h 39m

1 stop

$311American Airlines

Sat, May 30 - Sat, Jun 6

6:10 am - 9:32 am

ONT

TUS

3h 22m

1 stop

6:30 pm - 9:57 pm

TUS

ONT

3h 27m

1 stop

$312American Airlines

Thu, May 28 - Mon, Jun 1

7:12 pm - 10:55 pm

ONT

TUS

3h 43m

1 stop

1:43 pm - 6:22 pm

TUS

ONT

4h 39m

1 stop

$325American Airlines

Tue, May 26 - Fri, May 29

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Frontier flights from Ontario to Arizona

Our best Frontier deals on Ontario to Arizona flight tickets

Frontier

Aug 11

ONT1:28 pmOntario

1h 11m

LAS2:39 pmLas Vegas Harry Reid Intl

Aug 13

LAS6:46 pmLas Vegas Harry Reid Intl

1h 07m

ONT7:53 pmOntario

$73

Frontier

May 28

ONT3:30 pmOntario

1h 13m

LAS4:43 pmLas Vegas Harry Reid Intl

Jun 1

LAS6:22 pmLas Vegas Harry Reid Intl

1h 10m

ONT7:32 pmOntario

$74

Frontier

May 30

ONT3:30 pmOntario

1h 13m

LAS4:43 pmLas Vegas Harry Reid Intl

Jun 1

LAS6:22 pmLas Vegas Harry Reid Intl

1h 10m

ONT7:32 pmOntario

$75

Southwest flights from Ontario to Arizona

Our best Southwest deals on Ontario to Arizona flight tickets

Southwest

Jun 16

ONT7:20 pmOntario

1h 15m

PHX8:35 pmPhoenix Sky Harbor Intl

Jun 17

PHX6:50 pmPhoenix Sky Harbor Intl

1h 10m

ONT8:00 pmOntario

$137

Southwest

Jun 16

ONT6:35 pmOntario

3h 05m

1 stop

PHX9:40 pmPhoenix Sky Harbor Intl

Jun 23

PHX9:50 pmPhoenix Sky Harbor Intl

1h 10m

ONT11:00 pmOntario

$147

Southwest

Jun 9

ONT5:15 amOntario

1h 15m

PHX6:30 amPhoenix Sky Harbor Intl

Jun 9

PHX4:35 pmPhoenix Sky Harbor Intl

5h 30m

2 stops

ONT10:05 pmOntario

$152

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Thu 5/28

3:30 pm-4:43 pm

Nonstop1h 13m

Las Vegas Harry Reid Intl

Mon 6/1

6:22 pm-7:32 pm

Nonstop1h 10m

$74

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Sat 5/30

3:30 pm-4:43 pm

Nonstop1h 13m

Las Vegas Harry Reid Intl

Mon 6/1

6:22 pm-7:32 pm

Nonstop1h 10m

$75

Quickest round-trip

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Thu 5/28

11:51 am-1:02 pm

Nonstop1h 11m

Las Vegas Harry Reid Intl

Mon 6/1

1:59 pm-3:09 pm

Nonstop1h 10m

$76

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Tue 6/16

7:20 pm-8:35 pm

Nonstop1h 15m

Phoenix Sky Harbor Intl

Wed 6/17

6:50 pm-8:00 pm

Nonstop1h 10m

$137

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Tue 6/16

6:35 pm-9:40 pm

1 stop3h 05m

Phoenix Sky Harbor Intl

Tue 6/23

9:50 pm-11:00 pm

Nonstop1h 10m

$147

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Tue 6/2

10:55 am-2:40 pm

1 stop3h 45m

Phoenix Sky Harbor Intl

Tue 6/2

6:35 pm-10:15 pm

1 stop3h 40m

$157

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Thu 6/4

6:10 am-9:32 am

1 stop3h 22m

Tucson

Tue 6/9

2:58 pm-6:21 pm

1 stop3h 23m

$303

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Sat 5/30

6:10 am-9:32 am

1 stop3h 22m

Tucson

Sat 6/6

5:23 pm-10:02 pm

1 stop4h 39m

$311

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Thu 5/28

6:10 am-9:32 am

1 stop3h 22m

Tucson

Mon 6/1

6:30 pm-9:57 pm

1 stop3h 27m

$312

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Tue 5/26

7:12 pm-10:55 pm

1 stop3h 43m

Tucson

Fri 5/29

1:43 pm-6:22 pm

1 stop4h 39m

$325

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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

Prices

Airlines

Other information

What is the cheapest month to fly to Arizona?

The month of January is, on average, the cheapest month to fly to Arizona from Ontario, with most prices found around $29. If you aren’t able to travel to Arizona during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $49.

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 $392. 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 $488.

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 at noon. Flights from Ontario to Arizona during this time can be as low as $371. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $450 on average. Flights to Arizona from Ontario in the evening 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 from Ontario 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 $260 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 $171 on momondo.

Can stopping save me money on Ontario to Arizona flights?

No. A direct flight is the cheapest option for a flight between Ontario to Arizona.

Cheap Ontario to Arizona flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Arizona

Best Price Found	$201
Fastest flight time	1h 00m
Direct flights	Every day
Airports in Arizona	66 airports

The best one-way flight to Arizona from Ontario in the past 72 hours is $201. The best round-trip flight deal from Ontario to Arizona found on momondo in the last 72 hours is $363.

The fastest flight from Ontario to Arizona takes 1h 00m

Direct flights go from Ontario to Arizona every day.

There are 66 airports in Arizona. From Ontario there are direct flights to Las Vegas Harry Reid Intl (LAS).

Search flight deals

Frequently asked questions about flying 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 May 2026, there are 5 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 Boeing 737 MAX 8, representing 15.09% of all bookings. The subsequent popular models are Boeing 737-800 at 9.81%, Airbus A321neo at 9.57%, and Airbus A321-100/200 at 9.19%.

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
Frontier	PriceFrom $78	Free Cancellation	Rating 5.6 2,964 reviews	Search Frontier flights
Southwest	PriceFrom $114	Free Cancellation	Rating 7.9 4,302 reviews	Search Southwest flights
American Airlines	PriceFrom $125	Free Cancellation	Rating 7.1 11,669 reviews	Search American Airlines flights
JetBlue	PriceFrom $228	Free Cancellation	Rating 7.1 2,980 reviews	Search JetBlue flights

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.

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Popular cities in Arizona

Flights to New Yorkfrom $72

Flights to Los Angelesfrom $66

Flights to Orlandofrom $53

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Flights to Chicagofrom $56

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Flights to Las Vegasfrom $56

Flights to Washington, D.C.from $55

Flights to Bostonfrom $92

Flights to Atlantafrom $55

Flights to Dallasfrom $76

Flights to Fort Lauderdalefrom $56

Cheap flights from Ontario to Arizona from $57

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 6/2. 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 Ontario to Arizona

Our best Frontier deals on Ontario to Arizona flight tickets

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Our best Southwest deals on Ontario to Arizona flight tickets

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How to get the cheapest flight ticket from Ontario to Arizona

What is the cheapest month to fly to Arizona?

What is the cheapest day to depart on your flight to Arizona?

What is the cheapest time of day to depart on your flight to Arizona?

What is the cheapest Ontario to Arizona flight route?

How far in advance should I book a flight from Ontario to Arizona?

Can stopping save me money on Ontario to Arizona flights?

What is the cheapest airline that flies from Ontario to Arizona?

What airlines fly to Arizona?

How many flights depart from Ontario to Arizona on average per day?

How many flights depart from Ontario to Arizona on average per week?

Cheap Ontario to Arizona flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Arizona

Best Price Found

Fastest flight time

Direct flights

Airports in Arizona

Frequently asked questions about flying from Ontario to Arizona

Best airlines flying from Ontario to Arizona

Compare and see reviews for airlines that fly from Ontario to Arizona with momondo

Why use momondo?

An easier way to manage your Arizona trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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