Cheap flights from Ontario to Phoenix from $45

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Phoenix

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
9:35 am - 12:00 pmONT  Ontario-PHX Phoenix Sky Harbor Intl
1h 25mnonstop
American Airlines Logo
3:56 pm - 4:20 pmPHX  Phoenix Sky Harbor Intl-ONT Ontario
1h 24mnonstop
$117American Airlines
Sat, Dec 12 - Mon, Dec 14
American Airlines Logo
1:27 pm - 3:49 pmONT  Ontario-PHX Phoenix Sky Harbor Intl
1h 22mnonstop
American Airlines Logo
6:08 pm - 6:27 pmPHX  Phoenix Sky Harbor Intl-ONT Ontario
1h 19mnonstop
$117American Airlines
Thu, Dec 3 - Sat, Dec 5
Southwest Logo
5:05 am - 7:25 amONT  Ontario-PHX Phoenix Sky Harbor Intl
1h 20mnonstop
Southwest Logo
6:45 pm - 7:00 pmPHX  Phoenix Sky Harbor Intl-ONT Ontario
1h 15mnonstop
$117Southwest
Fri, Feb 26 - Mon, Mar 1
Southwest Logo
6:25 pm - 8:50 pmONT  Ontario-PHX Phoenix Sky Harbor Intl
1h 25mnonstop
Southwest Logo
4:05 pm - 4:20 pmPHX  Phoenix Sky Harbor Intl-ONT Ontario
1h 15mnonstop
$117Southwest
Wed, Dec 2 - Sat, Dec 5
Frontier Logo
2:00 pm - 9:52 pmONT  Ontario-PHX Phoenix Sky Harbor Intl
6h 52m1 stop Las Vegas Harry Reid Intl
Frontier Logo
9:00 am - 11:23 pmPHX  Phoenix Sky Harbor Intl-ONT Ontario
15h 23m2 stops Las Vegas Harry Reid Intl San Francisco
$117Frontier
Wed, Dec 2 - Sat, Dec 5
Frontier Logo
11:00 am - 10:09 pmONT  Ontario-PHX Phoenix Sky Harbor Intl
10h 09m1 stop Las Vegas Harry Reid Intl
Frontier Logo
9:50 am - 11:23 pmPHX  Phoenix Sky Harbor Intl-ONT Ontario
14h 33m2 stops Las Vegas Harry Reid Intl San Francisco
$117Frontier
Sat, Dec 12 - Wed, Dec 16
American Airlines Logo
9:27 am - 11:53 amONT  Ontario-PHX Phoenix Sky Harbor Intl
1h 26mnonstop
American Airlines Logo
8:15 am - 8:37 amPHX  Phoenix Sky Harbor Intl-ONT Ontario
1h 22mnonstop
$117American Airlines
Wed, Jan 13 - Sat, Jan 16
Frontier Logo
2:01 pm - 6:49 pmONT  Ontario-PHX Phoenix Sky Harbor Intl
3h 48m1 stop Las Vegas Harry Reid Intl
Frontier Logo
8:59 pm - 6:11 pmPHX  Phoenix Sky Harbor Intl-ONT Ontario
22h 12m1 stop Las Vegas Harry Reid Intl
$117Frontier
Thu, Nov 26 - Mon, Nov 30
Multiple Airlines Logo
8:35 pm - 3:03 pmONT  Ontario-PHX Phoenix Sky Harbor Intl
17h 28m2 stops Las Vegas Harry Reid Intl Provo
Multiple Airlines Logo
8:59 pm - 7:20 amPHX  Phoenix Sky Harbor Intl-ONT Ontario
11h 21m1 stop Las Vegas Harry Reid Intl
$222Multiple Airlines
Mon, Nov 16 - Fri, Nov 20
United Airlines Logo
5:00 am - 11:39 amONT  Ontario-PHX Phoenix Sky Harbor Intl
5h 39m1 stop Denver Intl
United Airlines Logo
4:39 pm - 9:11 pmPHX  Phoenix Sky Harbor Intl-ONT Ontario
5h 32m1 stop Denver Intl
$297United Airlines
Wed, Dec 2 - Wed, Dec 2

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Frontier flights from Ontario to Phoenix

Our best Frontier deals on Ontario to Phoenix flight tickets
Frontier
Nov 26
ONT2:01 pmOntario
3h 48m
1 stop
PHX6:49 pmPhoenix Sky Harbor Intl
Nov 30
PHX8:59 pmPhoenix Sky Harbor Intl
22h 12m
1 stop
ONT6:11 pmOntario
$117
Frontier
Dec 3
ONT2:00 pmOntario
3h 48m
1 stop
PHX6:48 pmPhoenix Sky Harbor Intl
Dec 5
PHX9:00 amPhoenix Sky Harbor Intl
3h 51m
1 stop
ONT11:51 amOntario
$118
Frontier
Dec 29
ONT8:56 amOntario
9h 52m
1 stop
PHX7:48 pmPhoenix Sky Harbor Intl
Jan 8
PHX8:01 amPhoenix Sky Harbor Intl
8h 17m
1 stop
ONT3:18 pmOntario
$119

Southwest flights from Ontario to Phoenix

Our best Southwest deals on Ontario to Phoenix flight tickets
Southwest
Dec 24
ONT1:30 pmOntario
3h 15m
1 stop
PHX5:45 pmPhoenix Sky Harbor Intl
Dec 29
PHX8:20 pmPhoenix Sky Harbor Intl
1h 20m
ONT8:40 pmOntario
$127
Southwest
Dec 18
ONT5:10 amOntario
1h 10m
PHX7:20 amPhoenix Sky Harbor Intl
Dec 19
PHX4:15 pmPhoenix Sky Harbor Intl
7h 25m
1 stop
ONT10:40 pmOntario
$133
Southwest
Feb 26
ONT7:55 pmOntario
4h 30m
1 stop
PHX1:25 amPhoenix Sky Harbor Intl
Mar 1
PHX6:05 amPhoenix Sky Harbor Intl
6h 15m
2 stops
ONT11:20 amOntario
$142

momondo Fare Finder

 
Use the filters below to find and compare flights from Ontario to Phoenix that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioPhoenix

ONT Ontario - PHX Phoenix Sky Harbor Intl

ONTPHX

Ontario

Sat 12/12

9:35 am-12:00 pm

Nonstop1h 25m

Phoenix Sky Harbor Intl

Mon 12/14

3:56 pm-4:20 pm

Nonstop1h 24m

$117

OntarioPhoenix

ONT Ontario - PHX Phoenix Sky Harbor Intl

ONTPHX

Ontario

Thu 12/3

1:27 pm-3:49 pm

Nonstop1h 22m

Phoenix Sky Harbor Intl

Sat 12/5

6:08 pm-6:27 pm

Nonstop1h 19m

$117
Quickest round-trip

OntarioPhoenix

ONT Ontario - PHX Phoenix Sky Harbor Intl

ONTPHX

Ontario

Fri 2/26

5:05 am-7:25 am

Nonstop1h 20m

Phoenix Sky Harbor Intl

Mon 3/1

6:45 pm-7:00 pm

Nonstop1h 15m

$117

OntarioPhoenix

ONT Ontario - PHX Phoenix Sky Harbor Intl

ONTPHX

Ontario

Wed 12/2

6:25 pm-8:50 pm

Nonstop1h 25m

Phoenix Sky Harbor Intl

Sat 12/5

4:05 pm-4:20 pm

Nonstop1h 15m

$117

OntarioPhoenix

ONT Ontario - PHX Phoenix Sky Harbor Intl

ONTPHX

Ontario

Wed 12/2

2:00 pm-9:52 pm

1 stop6h 52m

Phoenix Sky Harbor Intl

Sat 12/5

9:00 am-11:23 pm

2 stops15h 23m

$117

OntarioPhoenix

ONT Ontario - PHX Phoenix Sky Harbor Intl

ONTPHX

Ontario

Sat 12/12

11:00 am-10:09 pm

1 stop10h 09m

Phoenix Sky Harbor Intl

Wed 12/16

9:50 am-11:23 pm

2 stops14h 33m

$117

OntarioPhoenix

ONT Ontario - PHX Phoenix Sky Harbor Intl

ONTPHX

Ontario

Wed 1/13

9:27 am-11:53 am

Nonstop1h 26m

Phoenix Sky Harbor Intl

Sat 1/16

8:15 am-8:37 am

Nonstop1h 22m

$117

OntarioPhoenix

ONT Ontario - PHX Phoenix Sky Harbor Intl

ONTPHX

Ontario

Thu 11/26

2:01 pm-6:49 pm

1 stop3h 48m

Phoenix Sky Harbor Intl

Mon 11/30

8:59 pm-6:11 pm

1 stop22h 12m

$117

OntarioPhoenix

ONT Ontario - PHX Phoenix Sky Harbor Intl

ONTPHX

Ontario

Mon 11/16

8:35 pm-3:03 pm

2 stops17h 28m

Phoenix Sky Harbor Intl

Fri 11/20

8:59 pm-7:20 am

1 stop11h 21m

$222

OntarioPhoenix

ONT Ontario - PHX Phoenix Sky Harbor Intl

ONTPHX

Ontario

Wed 12/2

5:00 am-11:39 am

1 stop5h 39m

Phoenix Sky Harbor Intl

Wed 12/2

4:39 pm-9:11 pm

1 stop5h 32m

$297

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Phoenix from

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?

Prices are currently low for flights on this route.

Typical prices usually range from $203 to $443.
The lowest price recently found on this route was $117.

What is the cheapest month to fly to Phoenix?

If you are unable to visit Phoenix during the month of January, then departing from Ontario during the month April is also very affordable. Most momondo users find prices during this month for around $253.

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 Friday. momondo users have found tickets for Friday departures for as low as $276. 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 $340.

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 $222. In the morning is when there is more demand to fly to Phoenix, so prices are often more expensive at around $330 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 from Ontario 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 $296 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 $197 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.

Cheap Ontario to Phoenix flight deals and tips

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

Best Price Found

$45

Fastest flight time

1h 15m

Direct flights

Every day

Airports in Phoenix

3 airports
The best one-way flight to Phoenix from Ontario in the past 72 hours is $45. The best round-trip flight deal from Ontario to Phoenix found on momondo in the last 72 hours is $117.
The fastest flight from Ontario to Phoenix takes 1h 15m
Direct flights go from Ontario to Phoenix every day.
There are 3 airports in Phoenix. From Ontario there are direct flights to Phoenix Sky Harbor Intl (PHX).

Frequently asked questions about flying 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 15m.

  • 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?

  • 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
FrontierPriceFrom $72Free CancellationRating
5.5
2,513 reviews
Search Frontier flights
SouthwestPriceFrom $117Free CancellationRating
8.0
4,215 reviews
Search Southwest flights
American AirlinesPriceFrom $145Free CancellationRating
7.0
12,229 reviews
Search American Airlines flights
JetBluePriceFrom $228Free CancellationRating
7.1
3,065 reviews
Search JetBlue flights

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.

An easier way to manage your Phoenix 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.
1 adult
Thu 12/3
Thu 12/10

Find better results for your trip to the United States

Fly into one of these airports located in Phoenix