HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

$49+ Cheap flights from Mesa, AZ to Ontario (ONT)

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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ONT
Jul 30 — Aug 61
From?
To?
Tue 7/30
Tue 8/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Leverage Cheapflights for Your Next Trip

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Mesa to Ontario are usually found in June or July, booked 70 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Mesa to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Mesa (MS9) to Ontario (ONT). 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 July 25, 2024.

Popular in

October

Cheapest in

June

Round-trip from

$54
(Frontier)

One-way from

$49
(American Airlines)
High demand for flights, 37% potential price rise
Search Deals
Best time to find cheap flights, 44% potential price drop
Search Deals
From Mesa to Ontario
Search Deals
One-way flight from Mesa to Ontario
Search Deals

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

Find a great deal and save up to 153% by booking at least 52 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Mesa to Ontario within the next two weeks, with the cheapest ticket starting at $148.

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

Flights from Mesa to Ontario lean towards being more expensive in March. Prices are generally better when you fly from Mesa to Ontario in May, with the cheapest ticket starting at $38.

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

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

Cheap Mesa to Ontario flights in July & August 2024

Find cheap flight options from Mesa to Ontario specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Prices were last updated on July 25, 2024.
These are some of the best deals we've found on flights to Ontario in 2024 at this time. Check back regularly for other flight deals.
This Frontier deal was found by Cheapflights users on 7/24. 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.
Tue 8/64:40 pmPHX - ONT
Nonstop1h 13mFrontier
Wed 8/710:30 pmONT - PHX
Nonstop1h 28mFrontier
Deal found 7/24$53
This Frontier deal was found by Cheapflights users on 7/25. 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.
Sat 8/107:10 amPHX - ONT
Nonstop1h 11mFrontier
Mon 8/1210:25 pmONT - PHX
Nonstop1h 28mFrontier
Deal found 7/25$54
This Frontier deal was found by Cheapflights users on 7/24. 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.
Sat 8/107:10 amPHX - ONT
Nonstop1h 11mFrontier
Mon 8/1210:25 pmONT - PHX
Nonstop1h 28mFrontier
Deal found 7/24$55
This mytrip.com deal was found by Cheapflights users on 7/25. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/107:10 amPHX - ONT
Nonstop1h 11mFrontier
Sat 8/1011:02 pmONT - PHX
Nonstop1h 25mFrontier
Deal found 7/25$57
This Frontier deal was found by Cheapflights users on 7/25. 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.
Sat 8/36:24 amPHX - ONT
Nonstop1h 13mFrontier
Sat 8/311:02 pmONT - PHX
Nonstop1h 25mFrontier
Deal found 7/25$58
This Frontier deal was found by Cheapflights users on 7/24. 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 8/161:56 pmPHX - ONT
Nonstop1h 13mFrontier
Mon 8/1910:12 pmONT - PHX
Nonstop1h 28mFrontier
Deal found 7/24$59
This mytrip.com deal was found by Cheapflights users on 7/24. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/36:24 amPHX - ONT
Nonstop1h 13mFrontier
Mon 8/510:44 pmONT - PHX
Nonstop1h 28mFrontier
Deal found 7/24$62
This Gotogate deal was found by Cheapflights users on 7/23. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/304:40 pmPHX - ONT
Nonstop1h 13mFrontier
Wed 7/3110:30 pmONT - PHX
Nonstop1h 28mFrontier
Deal found 7/23$63
This mytrip.com deal was found by Cheapflights users on 7/24. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/36:24 amPHX - ONT
Nonstop1h 13mFrontier
Tue 8/66:46 pmONT - PHX
Nonstop1h 23mFrontier
Deal found 7/24$64

Mesa to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Mesa and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
These are some of the best deals we've found on flights to Ontario in 2024 at this time. Check back regularly for other flight deals.
This Frontier deal was found by Cheapflights users on 7/24. 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.
Tue 8/64:40 pmPHX - ONT
Nonstop1h 13mFrontier
Wed 8/710:30 pmONT - PHX
Nonstop1h 28mFrontier
Deal found 7/24$53
This Frontier deal was found by Cheapflights users on 7/25. 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.
Sat 8/107:10 amPHX - ONT
Nonstop1h 11mFrontier
Mon 8/1210:25 pmONT - PHX
Nonstop1h 28mFrontier
Deal found 7/25$54
This Frontier deal was found by Cheapflights users on 7/24. 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.
Sat 8/107:10 amPHX - ONT
Nonstop1h 11mFrontier
Mon 8/1210:25 pmONT - PHX
Nonstop1h 28mFrontier
Deal found 7/24$55
This mytrip.com deal was found by Cheapflights users on 7/25. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/107:10 amPHX - ONT
Nonstop1h 11mFrontier
Sat 8/1011:02 pmONT - PHX
Nonstop1h 25mFrontier
Deal found 7/25$57
This Frontier deal was found by Cheapflights users on 7/25. 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.
Sat 8/36:24 amPHX - ONT
Nonstop1h 13mFrontier
Sat 8/311:02 pmONT - PHX
Nonstop1h 25mFrontier
Deal found 7/25$58
This Frontier deal was found by Cheapflights users on 7/24. 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 8/161:56 pmPHX - ONT
Nonstop1h 13mFrontier
Mon 8/1910:12 pmONT - PHX
Nonstop1h 28mFrontier
Deal found 7/24$59
This mytrip.com deal was found by Cheapflights users on 7/24. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/36:24 amPHX - ONT
Nonstop1h 13mFrontier
Mon 8/510:44 pmONT - PHX
Nonstop1h 28mFrontier
Deal found 7/24$62
This Gotogate deal was found by Cheapflights users on 7/23. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/304:40 pmPHX - ONT
Nonstop1h 13mFrontier
Wed 7/3110:30 pmONT - PHX
Nonstop1h 28mFrontier
Deal found 7/23$63
This mytrip.com deal was found by Cheapflights users on 7/24. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/36:24 amPHX - ONT
Nonstop1h 13mFrontier
Tue 8/66:46 pmONT - PHX
Nonstop1h 23mFrontier
Deal found 7/24$64

Mesa to Ontario flights leaving soon

Find last-minute flight options from Mesa to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
Have a look at some of the flights available from Mesa to Ontario departing last-minute. Users should be sure to double check the price, date, and time of their last-minute flight.
This Frontier deal was found by Cheapflights users on 7/24. 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.
Tue 8/64:40 pmPHX - ONT
Nonstop1h 13mFrontier
Wed 8/710:30 pmONT - PHX
Nonstop1h 28mFrontier
Deal found 7/24$53
This Frontier deal was found by Cheapflights users on 7/24. 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.
Thu 8/88:28 pmPHX - ONT
Nonstop1h 13mFrontier
Sat 8/1011:02 pmONT - PHX
Nonstop1h 25mFrontier
Deal found 7/24$54
This Frontier deal was found by Cheapflights users on 7/25. 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.
Sat 8/36:24 amPHX - ONT
Nonstop1h 13mFrontier
Sat 8/311:02 pmONT - PHX
Nonstop1h 25mFrontier
Deal found 7/25$58
This mytrip.com deal was found by Cheapflights users on 7/24. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/36:24 amPHX - ONT
Nonstop1h 13mFrontier
Mon 8/510:44 pmONT - PHX
Nonstop1h 28mFrontier
Deal found 7/24$62
This Gotogate deal was found by Cheapflights users on 7/23. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/304:40 pmPHX - ONT
Nonstop1h 13mFrontier
Wed 7/3110:30 pmONT - PHX
Nonstop1h 28mFrontier
Deal found 7/23$63
This mytrip.com deal was found by Cheapflights users on 7/24. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/36:24 amPHX - ONT
Nonstop1h 13mFrontier
Tue 8/66:46 pmONT - PHX
Nonstop1h 23mFrontier
Deal found 7/24$64
This Frontier deal was found by Cheapflights users on 7/24. 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.
Tue 8/64:40 pmPHX - ONT
Nonstop1h 13mFrontier
Fri 8/910:25 pmONT - PHX
Nonstop1h 28mFrontier
Deal found 7/24$78
This mytrip.com deal was found by Cheapflights users on 7/24. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/88:28 pmPHX - ONT
Nonstop1h 13mFrontier
Fri 8/910:25 pmONT - PHX
Nonstop1h 28mFrontier
Deal found 7/24$85
This Frontier deal was found by Cheapflights users on 7/24. 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.
Wed 8/72:52 pmPHX - ONT
Nonstop1h 13mFrontier
Thu 8/86:05 amONT - PHX
1 stop9h 40mFrontier
Deal found 7/24$101

One-way flights to Ontario from Mesa

Search for one-way flight options from Mesa to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
If you're seeking multiple options on one-way flights from Mesa to Ontario, be sure to check out these deals, which are updated often. Those seeking round-trip flights from Mesa to Ontario should utilize the search form at the the top of the page.
This American Airlines deal was found by Cheapflights users on 7/24. 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.
Tue 9/245:14 pmPHX - ONT
Nonstop1h 14mAmerican Airlines
Deal found 7/24$49
This mytrip.com deal was found by Cheapflights users on 7/24. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/92:16 pmPHX - ONT
Nonstop1h 13mFrontier
Deal found 7/24$50
This Frontier deal was found by Cheapflights users on 7/23. 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.
Sun 10/278:34 pmPHX - ONT
Nonstop1h 14mFrontier
Deal found 7/23$54
This mytrip.com deal was found by Cheapflights users on 7/25. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/109:34 pmPHX - ONT
Nonstop1h 14mFrontier
Deal found 7/25$55
This American Airlines deal was found by Cheapflights users on 7/24. 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.
Sat 8/247:27 amPHX - ONT
Nonstop1h 23mAmerican Airlines
Deal found 7/24$59
This mytrip.com deal was found by Cheapflights users on 7/24. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/293:45 pmPHX - ONT
Nonstop1h 13mFrontier
Deal found 7/24$69
This mytrip.com deal was found by Cheapflights users on 7/25. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/194:55 pmPHX - ONT
1 stop7h 28mFrontier
Deal found 7/25$70
This mytrip.com deal was found by Cheapflights users on 7/24. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/237:31 pmPHX - ONT
1 stop3h 44mFrontier
Deal found 7/24$72
This mytrip.com deal was found by Cheapflights users on 7/25. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/264:55 pmPHX - ONT
1 stop7h 28mFrontier
Deal found 7/25$73

Find flights from Mesa to Ontario within your budget

Customize your flight search to find flights from Mesa to Ontario 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 2,752,877 searches. Data last updated July 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$54 - $175

Route

Depart

Return

Price

Phoenix Sky Harbor IntlOntario

PHX - ONT

PHXONT

Phoenix Sky Harbor Intl

Sat 8/10

Nonstop1h 11m

Ontario

Mon 8/12

Nonstop1h 28m

$54

Phoenix Sky Harbor IntlOntario

PHX - ONT

PHXONT

Phoenix Sky Harbor Intl

Sat 8/10

Nonstop1h 11m

Ontario

Mon 8/12

Nonstop1h 28m

$55

Phoenix Sky Harbor IntlOntario

PHX - ONT

PHXONT

Phoenix Sky Harbor Intl

Wed 8/7

Nonstop1h 13m

Ontario

Sat 8/10

Nonstop1h 25m

$56

Phoenix Sky Harbor IntlOntario

PHX - ONT

PHXONT

Phoenix Sky Harbor Intl

Sat 8/10

Nonstop1h 11m

Ontario

Sat 8/10

Nonstop1h 25m

$57

Phoenix Sky Harbor IntlOntario

PHX - ONT

PHXONT

Phoenix Sky Harbor Intl

Mon 8/5

Nonstop1h 13m

Ontario

Tue 8/6

Nonstop1h 23m

$58

Phoenix Sky Harbor IntlOntario

PHX - ONT

PHXONT

Phoenix Sky Harbor Intl

Fri 8/16

Nonstop1h 13m

Ontario

Fri 8/16

Nonstop1h 28m

$60

Phoenix Sky Harbor IntlOntario

PHX - ONT

PHXONT

Phoenix Sky Harbor Intl

Wed 8/7

Nonstop1h 13m

Ontario

Wed 8/7

Nonstop1h 28m

$61

Phoenix Sky Harbor IntlOntario

PHX - ONT

PHXONT

Phoenix Sky Harbor Intl

Sat 8/17

Nonstop1h 23m

Ontario

Mon 8/19

Nonstop1h 19m

$117

Phoenix Sky Harbor IntlOntario

PHX - ONT

PHXONT

Phoenix Sky Harbor Intl

Tue 8/20

1 stop4h 50m

Ontario

Tue 8/20

1 stop3h 55m

$175

Flights are sorted by cheapest first

Deals found on 7/25

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

Use this chart to determine the optimal time to book a round-trip flight from Mesa to Ontario. Price data was last updated on July 23, 2024.
The best time to book flights from Mesa to Ontario is 70 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

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

Use this chart to determine the cheapest time to fly round-trip from Mesa to Ontario. Price data was last updated on July 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Mesa to Ontario flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Mesa to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Mesa 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.

Temperature and rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average temperature and rainfall totals by month.

LAX

Temperature

57.2 - 73.4 °F

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated July 25, 2024.
To help decide which airline to fly from Mesa to Ontario, see what other customers have to say about Frontier, American Airlines and Alaska Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
5,641 reviews

Overall

8.2

Entertainment

7.8

Comfort

8.1

Food

7.3

Boarding

8.3

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest
8.2
Very good
5,641 reviews
Southwest
8.2
Very good
5,641 reviews

Overall

8.2

Entertainment

7.8

Comfort

8.1

Food

7.3

Boarding

8.3

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Alaska Airlines
8.1
Very good
9,365 reviews
Southwest
8.2
Very good
5,641 reviews

Overall

8.2

Entertainment

7.8

Comfort

8.1

Food

7.3

Boarding

8.3

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

United Airlines
7.4
Good
10,000 reviews
Southwest
8.2
Very good
5,641 reviews

Overall

8.2

Entertainment

7.8

Comfort

8.1

Food

7.3

Boarding

8.3

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

WestJet
7.4
Good
2,761 reviews
Southwest
8.2
Very good
5,641 reviews

Overall

8.2

Entertainment

7.8

Comfort

8.1

Food

7.3

Boarding

8.3

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

American Airlines
7.3
Good
10,000 reviews
Southwest
8.2
Very good
5,641 reviews

Overall

8.2

Entertainment

7.8

Comfort

8.1

Food

7.3

Boarding

8.3

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Related info for your journey

Find useful and relevant information for your journey from Mesa to Ontario. 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 into for flights to Ontario from Mesa?

    Most people fly into Ontario (ONT) if they book a flight to Ontario from Mesa. On average, Ontario has 9 inbound flights from Mesa per day from 2 airlines. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • Can I find flights from Mesa to Ontario for under $100 on Cheapflights?

    Yes, there are multiple flights from Mesa to Ontario for under $100. The cheapest flight booked recently is on Frontier for just $54, but on average you can expect to pay $70.

  • Are there nonstop flights from Mesa to Ontario for under $100 on Cheapflights?

    Cheapflights has at least 20 direct flights from Mesa to Ontario under $100. A good price for a nonstop flight from Mesa to Ontario is less than $70.

  • Are there last-minute flights available from Mesa to Ontario for under $100?

    There are currently 20+ open flights from Mesa to Ontario within the next 7 days for less than $100.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $49. Frontier flights start at $50 while deals on Alaska Airlines start at $122 one-way.

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

    Consider SkyWest Airlines (88%), Frontier (80%) or Southwest (75%) when booking your flight. These represent the most reliable airlines when flying from Mesa to Ontario.

  • What are the cheapest flights from Mesa to Ontario?

    The cheapest flight price from Mesa to Ontario is $25. On average you can expect to pay $106. The most popular route, (Phoenix Sky Harbor Intl - Ontario), can usually be booked for $54.

  • What does PHX to ONT mean?

    PHX stands for Phoenix Sky Harbor Intl Airport, while ONT stands for Ontario Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Phoenix-Mesa Gateway Airport (AZA), Phoenix Scottsdale Municipal Airport (SCF), Prescott Airport (PRC).

  • Can I find deals for flights from Mesa to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Mesa to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Mesa to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Mesa to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from Mesa to Ontario that allow pets onboard?

    Many airlines flying from Mesa to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Mesa to Ontario?

    Yes, you can often find last-minute deals on Mesa to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Mesa to Ontario flight deals updated?

    The Mesa to Ontario flight deals you see on this page were last updated on 7/25.

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

    Currently, October is the cheapest month in which you can book a flight from Mesa to Ontario (average of $237). Flying from Mesa to Ontario in July is currently the most expensive (average of $293). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Mesa to Ontario
See prices for flight routes from nearby airports that may be better suited for you.

Sky Harbor Intl to Los Angeles flights
Sky Harbor Intl to Las Vegas flights
Las Vegas to Los Angeles flights
Sky Harbor Intl to San Diego flights
Sky Harbor Intl to San Francisco flights
Sky Harbor Intl to Ontario flights
Sky Harbor Intl to Burbank flights
Sky Harbor Intl to Santa Ana flights
Las Vegas to Burbank flights
Las Vegas to San Francisco flights
Las Vegas to Santa Ana flights
Las Vegas to Oakland flights
Las Vegas to San Diego flights
Las Vegas to Reno flights
Sky Harbor Intl to Oakland flights
Las Vegas to Ontario flights
Tucson to Las Vegas flights
Tucson to Los Angeles flights
Sky Harbor Intl to San Jose flights
Sky Harbor Intl to Reno flights
Sky Harbor Intl to Sacramento flights
Tucson to San Francisco flights
Phoenix-Mesa Gateway to Las Vegas flights
Sky Harbor Intl to Long Beach flights
Las Vegas to San Jose flights
Sky Harbor Intl to Medford flights
Las Vegas to Sacramento flights
Tucson to Ontario flights
Tucson to Santa Ana flights
Sky Harbor Intl to Santa Barbara flights
Tucson to Sacramento flights
Sky Harbor Intl to Palm Springs flights
Las Vegas to Fresno flights
Tucson to San Diego flights
Las Vegas to Long Beach flights
Sky Harbor Intl to Fresno flights
Sky Harbor Intl to San Luis Obispo flights
Tucson to Reno flights
Las Vegas to Stockton flights
Sky Harbor Intl to Santa Rosa flights
Tucson to Burbank flights
Sky Harbor Intl to Monterey flights
Phoenix-Mesa Gateway to Oakland flights
Tucson to San Jose flights
Tucson to Long Beach flights
Las Vegas to Palm Springs flights
Sky Harbor Intl to Tijuana flights
Las Vegas to Santa Barbara flights
Tucson to Oakland flights
Yuma to Las Vegas flights

Top 2 airlines flying from Mesa to Ontario

Discover the top 2 airlines that operate flights from Mesa to Ontario. 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 2,752,877 searches. Data last updated July 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$90FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$148Average$273FlexibilityNo cancel feeOn-time71%
New York to London flights
San Francisco to Maui flights
Miami to Cuba flights
Washington, D.C. Dulles Intl Airport to London Heathrow Airport flights
Dallas to Tampa flights
Los Angeles to London flights
Atlanta to Dallas flights
Philadelphia to Orlando flights
Denver to Las Vegas flights
New York to Seoul flights
New Jersey to Florida flights
Mesa to Chicago O'Hare Intl Airport flights

Search flights from Mesa to Ontario by cabin class

Find flights from Mesa to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Hourly flight availability from Mesa to Ontario

Find hourly flight availability from Mesa to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 25, 2024.
1%of flight departuresEarly morningMidnight to 6 am
23%of flight departuresMorning6 am to noon
43%of flight departuresAfternoonNoon to 6 pm
33%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Mesa to Ontario

Explore weekly flight availability from Mesa to Ontario. 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 July 25, 2024.
Sunday9daily flights
Monday10daily flights
Tuesday10daily flights
Wednesday9daily flights
Thursday10daily flights
Friday10daily flights
Saturday8daily flights

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Abha
Flights to Komatsu
Flights to Skardu
Flights to Laayoune Hassan I
Flights to Aqaba King Hussein Intl
Flights to Nampula
Flights to Bourgas
Flights to Riverton
Flights to Alpena Phelps/Collins
Flights to Palmas
Flights to Newport State
Flights to Antofagasta Cerro Moreno
Flights to Nuku‘alofa Fua'Amotu Intl
Flights to Ndola
Flights to Fort Dodge
Flights to Miri
Flights to Rhinelander Oneida County
Flights to Seattle Lake Union Spb
Flights to Portsmouth Pease Intl
Flights to Tumbes
Flights to Jigiga
Flights to Diyarbakir
Flights to Akureyri
Flights to Brainerd Crow Wing County
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines