$55+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ONT
Jul 15 — Jul 221
Round-trip
1 adult, Economy
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Find cheap flights from Mesa to Ontario with Cheapflights
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.Cheapflights Tip: The best prices from Mesa to Ontario are usually found in September or August, booked 85 days in advance, depart on a Saturday or Wednesday and return on a Wednesday
Cheap flight deals from Mesa to Ontario
Cheapest
Best
Last-minute
One-way
Cheapest flights from Mesa to OntarioExplore the most affordable flight options available from Mesa to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.
Explore the most affordable flight options available from Mesa to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.
This Southwest deal was found by Cheapflights users on 6/12. 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.
Wed 7/86:50 pm
PHX
- ONT
Nonstop1h 10m
Southwest
Tue 7/281:30 pm
ONT
- PHX
Nonstop1h 20m
Southwest
Deal found 6/12![Southwest logo]()
$109
This Southwest deal was found by Cheapflights users on 6/14. 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.
Wed 8/127:10 am
PHX
- ONT
2 stops6h 25m
Southwest
Wed 8/196:50 am
ONT
- PHX
Nonstop1h 25m
Southwest
Deal found 6/14![Southwest logo]()
$124
This American Airlines deal was found by Cheapflights users on 6/11. 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 10/208:20 pm
PHX
- ONT
Nonstop1h 15m
American Airlines
Tue 10/2710:29 am
ONT
- PHX
Nonstop1h 21m
American Airlines
Deal found 6/11![American Airlines logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/302:00 pm
PHX
- ONT
1 stop5h 51m
Frontier
Wed 7/13:34 pm
ONT
- PHX
1 stop7h 26m
Frontier
Deal found 6/11![Frontier logo]()
$137
This Southwest deal was found by Cheapflights users on 6/11. 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 8/187:45 pm
PHX
- ONT
Nonstop1h 10m
Southwest
Sat 8/225:50 am
ONT
- PHX
Nonstop1h 15m
Southwest
Deal found 6/11![Southwest logo]()
$143
This Southwest deal was found by Cheapflights users on 6/13. 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.
Wed 8/54:25 pm
PHX
- ONT
Nonstop1h 10m
Southwest
Mon 8/104:50 pm
ONT
- PHX
Nonstop1h 20m
Southwest
Deal found 6/13![Southwest logo]()
$145
This Southwest deal was found by Cheapflights users on 6/11. 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 10/209:05 am
PHX
- ONT
Nonstop1h 30m
Southwest
Tue 10/2711:15 am
ONT
- PHX
1 stop3h 05m
Southwest
Deal found 6/11![Southwest logo]()
$151
This Southwest deal was found by Cheapflights users on 6/12. 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.
Mon 7/2710:05 am
PHX
- ONT
Nonstop1h 15m
Southwest
Wed 7/297:20 pm
ONT
- PHX
Nonstop1h 20m
Southwest
Deal found 6/12![Southwest logo]()
$153
Best flights from Mesa to OntarioDiscover carefully curated flight deals from Mesa to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 15, 2026.
Discover carefully curated flight deals from Mesa to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 15, 2026.
This Southwest deal was found by Cheapflights users on 6/14. 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 8/117:45 pm
PHX
- ONT
Nonstop1h 10m
Southwest
Fri 8/148:40 pm
ONT
- PHX
Nonstop1h 15m
Southwest
Deal found 6/14![Southwest logo]()
$153
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Tue 8/117:02 am
PHX
- ONT
1 stop5h 10m
United Airlines
Thu 8/206:08 am
ONT
- PHX
1 stop4h 18m
United Airlines
Deal found 6/15![United Airlines logo]()
$270
This Southwest deal was found by Cheapflights users on 6/12. 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 8/49:00 am
PHX
- ONT
Nonstop1h 25m
Southwest
Fri 8/142:40 pm
ONT
- PHX
Nonstop1h 20m
Southwest
Deal found 6/12![Southwest logo]()
$153
This Southwest deal was found by Cheapflights users on 6/13. 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.
Wed 8/57:10 am
PHX
- ONT
2 stops6h 25m
Southwest
Mon 8/108:40 pm
ONT
- PHX
Nonstop1h 15m
Southwest
Deal found 6/13![Southwest logo]()
$160
This Southwest deal was found by Cheapflights users on 6/14. 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.
Wed 8/2611:00 am
PHX
- ONT
1 stop5h 05m
Southwest
Mon 8/314:10 pm
ONT
- PHX
1 stop4h 00m
Southwest
Deal found 6/14![Southwest logo]()
$165
This Southwest deal was found by Cheapflights users on 6/10. 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.
Sat 8/14:05 pm
PHX
- ONT
1 stop6h 35m
Southwest
Tue 8/411:10 am
ONT
- PHX
1 stop6h 15m
Southwest
Deal found 6/10![Southwest logo]()
$184
This Southwest deal was found by Cheapflights users on 6/15. 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.
Fri 7/179:00 pm
PHX
- ONT
Nonstop1h 15m
Southwest
Sat 7/253:00 pm
ONT
- PHX
1 stop4h 45m
Southwest
Deal found 6/15![Southwest logo]()
$207
This Southwest deal was found by Cheapflights users on 6/13. 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 6/309:50 pm
PHX
- ONT
Nonstop1h 10m
Southwest
Tue 7/217:20 pm
ONT
- PHX
Nonstop1h 20m
Southwest
Deal found 6/13![Southwest logo]()
$225
This Southwest deal was found by Cheapflights users on 6/11. 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.
Fri 7/109:55 am
PHX
- ONT
2 stops5h 25m
Southwest
Mon 7/134:00 pm
ONT
- PHX
2 stops5h 15m
Southwest
Deal found 6/11![Southwest logo]()
$319
This Southwest deal was found by Cheapflights users on 6/13. 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.
Sun 7/122:40 pm
PHX
- ONT
2 stops6h 45m
Southwest
Wed 7/153:30 pm
ONT
- PHX
1 stop5h 20m
Southwest
Deal found 6/13![Southwest logo]()
$327
Last-minute flights from Mesa to OntarioDiscover last-minute flight deals from Mesa to Ontario. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Mesa to Ontario. Data last updated June 15, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/302:00 pm
PHX
- ONT
1 stop5h 51m
Frontier
Wed 7/13:34 pm
ONT
- PHX
1 stop7h 26m
Frontier
Deal found 6/11![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3010:32 pm
PHX
- ONT
1 stop16h 36m
Frontier
Tue 7/218:58 am
ONT
- PHX
2 stops33h 09m
Frontier
Deal found 6/13![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/310:32 pm
PHX
- ONT
1 stop21h 19m
Frontier
Tue 7/78:58 am
ONT
- PHX
1 stop12h 16m
Frontier
Deal found 6/11![Frontier logo]()
$186
This Southwest deal was found by Cheapflights users on 6/12. 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.
Wed 7/86:50 pm
PHX
- ONT
Nonstop1h 10m
Southwest
Tue 7/281:30 pm
ONT
- PHX
Nonstop1h 20m
Southwest
Deal found 6/12![Southwest logo]()
$109
This Southwest deal was found by Cheapflights users on 6/12. 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.
Mon 7/2710:05 am
PHX
- ONT
Nonstop1h 15m
Southwest
Wed 7/297:20 pm
ONT
- PHX
Nonstop1h 20m
Southwest
Deal found 6/12![Southwest logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/279:58 pm
PHX
- ONT
1 stop10h 05m
Frontier
Wed 7/291:38 pm
ONT
- PHX
1 stop9h 27m
Frontier
Deal found 6/12![Frontier logo]()
$156
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Wed 7/298:30 pm
PHX
- ONT
Nonstop1h 13m
American Airlines
Tue 8/41:11 pm
ONT
- PHX
Nonstop1h 22m
American Airlines
Deal found 6/12![American Airlines logo]()
$187
This Southwest deal was found by Cheapflights users on 6/15. 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.
Fri 7/317:45 am
PHX
- ONT
1 stop5h 40m
Southwest
Tue 8/42:10 pm
ONT
- PHX
1 stop4h 35m
Southwest
Deal found 6/15![Southwest logo]()
$173
One-way flights from Mesa to OntarioSearch for one-way flight options from Mesa to Ontario. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
Search for one-way flight options from Mesa to Ontario. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This Southwest deal was found by Cheapflights users on 6/12. 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 7/2112:55 pm
PHX
- ONT
Nonstop1h 10m
Southwest
Deal found 6/12![Southwest logo]()
$55
This Southwest deal was found by Cheapflights users on 6/14. 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 7/145:50 am
PHX
- ONT
1 stop3h 15m
Southwest
Deal found 6/14![Southwest logo]()
$65
This Southwest deal was found by Cheapflights users on 6/11. 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 9/89:00 am
PHX
- ONT
Nonstop1h 25m
Southwest
Deal found 6/11![Southwest logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/310:32 pm
PHX
- ONT
1 stop21h 19m
Frontier
Deal found 6/14![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3010:32 pm
PHX
- ONT
1 stop21h 19m
Frontier
Deal found 6/14![Frontier logo]()
$76
This Southwest deal was found by Cheapflights users on 6/11. 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.
Sat 8/810:00 am
PHX
- ONT
Nonstop1h 15m
Southwest
Deal found 6/11![Southwest logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:58 pm
PHX
- ONT
1 stop10h 05m
Frontier
Deal found 6/12![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/142:04 pm
PHX
- ONT
1 stop25h 10m
Frontier
Deal found 6/12![Frontier logo]()
$81
Find flight deals from Mesa to Ontario
Keep the following information in mind while searching for Mesa to Ontario flight deals. Data was last updated June 15, 2026.
Round-trip from | $109 (Southwest) |
|---|---|
One-way from | $55 (Southwest) |
Popular in | June |
Cheapest in | September |
Average price | $343 |
Cheapflights Fare Finder
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 2,558,603 searches. Data last updated June 15, 2026.
Use the filters below to find and compare flights from Mesa to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
PhoenixOntario
PHX - ONT
PHXONT
Phoenix Sky Harbor Intl
Tue 8/11
7:45 pm-8:55 pm
Nonstop1h 10m
Ontario
Fri 8/14
8:40 pm-9:55 pm
Nonstop1h 15m
$153
PhoenixOntario
PHX - ONT
PHXONT
Phoenix Sky Harbor Intl
Tue 8/4
9:00 am-10:25 am
Nonstop1h 25m
Ontario
Fri 8/14
2:40 pm-4:00 pm
Nonstop1h 20m
$153
PhoenixOntario
PHX - ONT
PHXONT
Phoenix Sky Harbor Intl
Wed 8/5
7:10 am-1:35 pm
2 stops6h 25m
Ontario
Mon 8/10
8:40 pm-9:55 pm
Nonstop1h 15m
$160
PhoenixOntario
PHX - ONT
PHXONT
Phoenix Sky Harbor Intl
Wed 8/26
11:00 am-4:05 pm
1 stop5h 05m
Ontario
Mon 8/31
4:10 pm-8:10 pm
1 stop4h 00m
$165
PhoenixOntario
PHX - ONT
PHXONT
Phoenix Sky Harbor Intl
Sat 8/1
4:05 pm-10:40 pm
1 stop6h 35m
Ontario
Tue 8/4
11:10 am-5:25 pm
1 stop6h 15m
$184
PhoenixOntario
PHX - ONT
PHXONT
Phoenix Sky Harbor Intl
Fri 7/17
9:00 pm-10:15 pm
Nonstop1h 15m
Ontario
Sat 7/25
3:00 pm-7:45 pm
1 stop4h 45m
$207
PhoenixOntario
PHX - ONT
PHXONT
Phoenix Sky Harbor Intl
Tue 6/30
9:50 pm-11:00 pm
Nonstop1h 10m
Ontario
Tue 7/21
7:20 pm-8:40 pm
Nonstop1h 20m
$225
PhoenixOntario
PHX - ONT
PHXONT
Phoenix Sky Harbor Intl
Tue 8/11
7:02 am-12:12 pm
1 stop5h 10m
Ontario
Thu 8/20
6:08 am-10:26 am
1 stop4h 18m
$270
PhoenixOntario
PHX - ONT
PHXONT
Phoenix Sky Harbor Intl
Fri 7/10
9:55 am-3:20 pm
2 stops5h 25m
Ontario
Mon 7/13
4:00 pm-9:15 pm
2 stops5h 15m
$319
PhoenixOntario
PHX - ONT
PHXONT
Phoenix Sky Harbor Intl
Sun 7/12
2:40 pm-9:25 pm
2 stops6h 45m
Ontario
Wed 7/15
3:30 pm-8:50 pm
1 stop5h 20m
$327
Showing 1-10 of 20 resultsSorted by cheapest first
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.
PHX-ONT
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.
Cheapflights Insights
Everything you need to know about your flight from Mesa to Ontario
MS9-ONT
PHX-ONT
What is the cheapest time of day to fly from MS9 to ONT?
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 June 15, 2026.
One of the essential ways to save on airfare from Mesa to Ontario is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 23% on airfare.
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 June 15, 2026.
The most flights from MS9 to ONT are scheduled on a Friday (12 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (5 on average).
How much does it cost to fly round-trip from Mesa to Ontario?
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 June 13, 2026.
Travelers seeking maximum savings on their Mesa to Ontario flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 June 15, 2026.
Peruse reviews from past customers who have flown with Southwest,American Airlines, andFrontier from Mesa to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Crew
8.6
Food
7.0
Overall
7.9
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Food
7.0
Overall
7.9
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Food
7.0
Overall
7.9
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Food
7.0
Overall
7.9
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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.
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.
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Alternative routes for Mesa to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
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.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 15, 2026.
Mesa and Ontario flights
Browse other Mesa and Ontario flight options. Last updated on June 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Mesa to Ontario flights
Consider these flights traveling from Mesa to Ontario.
Top 3 airlines flying from Mesa to Ontario
Discover the top 3 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 2,558,603 searches. Data last updated June 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$84 | Average$176 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$97 | Average$276 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$97 | Average$264 | FlexibilityNo cancel fee | On-time63% |