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$69+ Cheap flights from Ontario (ONT) to Mesa, AZ

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PHX
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Find cheap flights from Ontario to Mesa with Cheapflights

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The best prices from Ontario to Mesa are usually found in June or July, booked 75 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Ontario to Mesa

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Mesa (MS9). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Popular in

October

Cheapest in

June

Round-trip from

$148
(Frontier)

One-way from

$69
(Southwest)
High demand for flights, 30% potential price rise
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Best time to find cheap flights, 31% potential price drop
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From Ontario to Mesa
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One-way flight from Ontario to Mesa
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Find flight deals from Ontario to Mesa

Cheapest flights from Ontario to Mesa
Explore the most affordable flight options available from Ontario to Mesa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Frontier deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1311:46 amONT - PHX
1 stop8h 03mFrontier
Sun 12/159:59 pmPHX - ONT
1 stop10h 15mFrontier
Deal found 11/19$148
This American Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/166:10 amONT - PHX
Nonstop1h 18mAmerican Airlines
Wed 12/188:42 amPHX - ONT
Nonstop1h 22mAmerican Airlines
Deal found 11/20$152
This Southwest deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/103:15 pmONT - PHX
1 stop4h 10mSouthwest
Wed 12/118:25 pmPHX - ONT
Nonstop1h 20mSouthwest
Deal found 11/19$157
This Expedia deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/67:00 amONT - PHX
2 stops7h 47mMultiple Airlines
Mon 12/97:40 amPHX - ONT
1 stop13h 53mMultiple Airlines
Deal found 11/18$276
This Alaska Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/106:00 amONT - PHX
1 stop10h 47mAlaska Airlines
Wed 12/116:20 amPHX - ONT
2 stops14h 40mAlaska Airlines
Deal found 11/19$302
This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/113:20 pmONT - PHX
2 stops17h 26mUnited Airlines
Wed 12/184:46 pmPHX - ONT
1 stop8h 12mUnited Airlines
Deal found 11/19$456

Find flights from Ontario to Mesa within your budget

Customize your flight search to find flights from Ontario to Mesa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Fri 12/13

11:46 am-8:49 pm

1 stop8h 03m

Phoenix Sky Harbor Intl

Sun 12/15

9:59 pm-7:14 am

1 stop10h 15m

$148

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Mon 12/16

6:10 am-8:28 am

Nonstop1h 18m

Phoenix Sky Harbor Intl

Wed 12/18

8:42 am-9:04 am

Nonstop1h 22m

$152

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Tue 12/10

3:15 pm-8:25 pm

1 stop4h 10m

Phoenix Sky Harbor Intl

Wed 12/11

8:25 pm-8:45 pm

Nonstop1h 20m

$157

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Fri 2/7

4:06 pm-10:35 am

2 stops17h 29m

Phoenix Sky Harbor Intl

Sun 2/9

5:14 pm-7:59 pm

1 stop3h 45m

$232

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Tue 12/10

6:00 am-5:47 pm

1 stop10h 47m

Phoenix Sky Harbor Intl

Wed 12/11

6:20 am-8:00 pm

2 stops14h 40m

$302

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Wed 12/11

3:20 pm-9:46 am

2 stops17h 26m

Phoenix Sky Harbor Intl

Wed 12/18

4:46 pm-11:58 pm

1 stop8h 12m

$456

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Wed 12/25

2:50 pm-5:05 pm

Nonstop1h 15m

$69

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Fri 1/3

9:19 pm-7:36 am

1 stop9h 17m

$70

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Tue 12/24

10:02 am-12:19 pm

Nonstop1h 17m

$79

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Wed 12/18

5:50 am-3:15 pm

1 stop8h 25m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 15 results
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Best time to book a flight from Ontario to Mesa

Have a flexible travel schedule? Discover the best time to fly to Mesa from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ontario to Mesa

Get recent, data-driven insights about flights from Ontario to Mesa including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Ontario to Mesa?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Mesa. Price data was last updated on November 15, 2024.

Booking 56 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Mesa. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Ontario to Mesa?

Currently, January is the cheapest month in which you can book a flight from Ontario to Mesa (average of $256). Flying from Ontario to Mesa in June is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to MS9?

Find hourly flight availability from Ontario to Mesa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Mesa as you normally would.

What is the cheapest day to fly from Ontario to Mesa?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Mesa. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their Ontario to Mesa flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Ontario to Mesa

Explore weekly flight availability from Ontario to Mesa. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 20, 2024.

The most flights from ONT to MS9 are scheduled on a Monday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Mesa by month

Plan your trip to Mesa by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Mesa ranges from 0.0 - 1.1 inches per month. July is typically the wettest month, when rainfall can reach 1.1 in. June is typically the driest time to visit Mesa when rainfall is around 0.0 in.

Temperature in Mesa by month

Plan your trip to Mesa by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Mesa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 95.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 55.4 F).

Reviews of airlines servicing Mesa

Get insights into the airlines that provide service to Mesa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Mesa. Reviews last updated November 20, 2024.
To help decide which airline to fly from Ontario to Mesa, see what other customers have to say about Frontier, American Airlines and Southwest. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Related info for your journey

Find useful and relevant information for your journey from Ontario to Mesa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to Mesa?

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Mesa. You should not have trouble finding flights to Mesa from Ontario; the airport handles an average of 9 outbound flights to Mesa per day. You should also have plenty of airline options to choose from since 4 airlines have flights from the Ontario airport to Mesa. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

  • What are the cheapest airlines to fly from Ontario to Mesa one-way?

    $69 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on Frontier and American Airlines, with prices starting from $70 and $79, respectively.

  • What are the most reliable airlines from Ontario to Mesa?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Ontario to Mesa on time: Envoy Air (100%), Southwest (90%), American Airlines (90%).

  • What are the cheapest flights from Ontario to Mesa?

    While on average a flight from Ontario to Mesa is generally $343, our data shows the cheapest flight currently is $119. When looking at the most popular route, (Ontario - Phoenix Sky Harbor Intl), you can expect to pay $117 for that flight.

  • Can I find deals for flights from Ontario to Mesa that include hotel bookings?

    Yes. In addition to deals on Ontario to Mesa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Mesa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Mesa.

  • Can I find deals for business class flights from Ontario to Mesa?

    Yes. Cheapflights offers flight deals from Ontario to Mesa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Mesa?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Mesa (average of $256). Flying from Ontario to Mesa in June is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 4 airlines flying from Ontario to Mesa

Discover the top 4 airlines that operate flights from Ontario to Mesa. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$30Average$60FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$38Average$105FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$116Average$241FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$134Average$268FlexibilityNo cancel feeOn-time71%
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