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Ontario

$64+ Cheap flights from Tucson to Ontario (TUS - 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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — ONT
Jan 8 — Jan 151
Thu 1/8
Thu 1/15
1 adult, Economy
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Cheap flight deals from Tucson to Ontario

Cheapest flights from Tucson to Ontario
Explore the most affordable flight options available from Tucson to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 9, 2025.

This Booking.com deal was found by Cheapflights users on 12/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2812:50 pmTUS - ONT
1 stop12h 09mFrontier
Sun 1/46:00 amONT - TUS
1 stop11h 58mFrontier
Deal found 12/7$245
This Booking.com deal was found by Cheapflights users on 12/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:20 pmTUS - ONT
1 stop22h 55mFrontier
Tue 12/306:00 amONT - TUS
1 stop11h 35mFrontier
Deal found 12/6$277
This Mytrip deal was found by Cheapflights users on 12/8. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1212:30 pmTUS - ONT
1 stop26h 55mFrontier
Mon 12/156:15 amONT - TUS
1 stop11h 26mFrontier
Deal found 12/8$279
This Mytrip deal was found by Cheapflights users on 12/8. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1212:30 pmTUS - ONT
1 stop26h 55mFrontier
Sun 12/216:00 amONT - TUS
1 stop11h 58mFrontier
Deal found 12/8$281
This Trip.com deal was found by Cheapflights users on 12/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2112:50 pmTUS - ONT
1 stop12h 09mFrontier
Tue 12/236:00 amONT - TUS
1 stop11h 35mFrontier
Deal found 12/7$289
This Booking.com deal was found by Cheapflights users on 12/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2112:50 pmTUS - ONT
1 stop12h 09mFrontier
Sun 12/286:00 amONT - TUS
1 stop11h 58mFrontier
Deal found 12/7$320
This American Airlines deal was found by Cheapflights users on 12/7. 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 12/3012:58 pmTUS - ONT
1 stop4h 09mAmerican Airlines
Thu 1/112:55 pmONT - TUS
1 stop5h 12mAmerican Airlines
Deal found 12/7$328
This Booking.com deal was found by Cheapflights users on 12/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1212:30 pmTUS - ONT
1 stop26h 55mFrontier
Sun 12/145:18 pmONT - TUS
1 stop24h 23mFrontier
Deal found 12/9$345
This American Airlines deal was found by Cheapflights users on 12/7. 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 12/279:39 amTUS - ONT
1 stop3h 14mAmerican Airlines
Sat 12/277:18 pmONT - TUS
1 stop2h 44mAmerican Airlines
Deal found 12/7$395
This Southwest deal was found by Cheapflights users on 12/8. 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 12/3011:35 amTUS - ONT
1 stop6h 00mSouthwest
Mon 1/54:40 pmONT - TUS
2 stops6h 45mSouthwest
Deal found 12/8$400
This American Airlines deal was found by Cheapflights users on 12/8. 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 12/2412:32 pmTUS - ONT
1 stop4h 35mAmerican Airlines
Sun 12/286:20 amONT - TUS
1 stop3h 39mAmerican Airlines
Deal found 12/8$412

Find flight deals from Tucson to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Tucson (TUS) 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 December 9, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$139
(Booking.com)

One-way from

$64
(Frontier)

Popular in

May

Cheapest in

September

Average price

$281
Provider with most accurate pricing for Tucson-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Tucson-Ontario flights.
Search Deals
From Tucson to Ontario
Search Deals
One-way flight from Tucson to Ontario
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($4 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Tucson 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 December 9, 2025.
Use the filters below to find and compare flights from Tucson to Ontario that are best for you.

Fly from

Tucson

Fly to

Ontario

Route

Depart

Return

Price

TucsonOntario

TUS - ONT

TUSONT

Tucson

Sun 1/4

7:43 pm-5:15 pm

1 stop22h 32m

Ontario

Sun 1/11

2:34 pm-9:14 pm

1 stop5h 40m

$210

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 1/30

4:29 pm-11:56 pm

1 stop8h 27m

Ontario

Sun 2/1

6:00 am-11:59 pm

1 stop16h 59m

$246

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 1/16

1:32 pm-11:59 pm

1 stop11h 27m

Ontario

Sun 1/18

7:56 pm-8:53 am

1 stop11h 57m

$266

TucsonOntario

TUS - ONT

TUSONT

Tucson

Sat 1/17

6:00 am-3:08 pm

1 stop10h 08m

Ontario

Fri 1/23

4:03 pm-11:59 pm

1 stop6h 56m

$275

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 12/12

12:30 pm-2:25 pm

1 stop26h 55m

Ontario

Mon 12/15

6:15 am-6:41 pm

1 stop11h 26m

$279

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 2/12

11:29 am-6:01 pm

1 stop7h 32m

Ontario

Sun 2/15

6:00 am-12:46 pm

1 stop5h 46m

$281

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 1/16

1:32 pm-11:59 pm

1 stop11h 27m

Ontario

Mon 1/19

6:10 am-12:37 pm

1 stop5h 27m

$300

TucsonOntario

TUS - ONT

TUSONT

Tucson

Sat 2/14

8:05 am-12:07 pm

1 stop5h 02m

Ontario

Sun 2/15

6:00 am-11:22 am

1 stop4h 22m

$307

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 1/8

12:24 pm-4:12 pm

1 stop4h 48m

Ontario

Mon 1/12

5:07 pm-10:27 pm

1 stop4h 20m

$331

TucsonOntario

TUS - ONT

TUSONT

Tucson

Mon 2/2

6:00 am-5:03 pm

2 stops12h 03m

Ontario

Thu 2/5

4:03 pm-11:59 pm

1 stop6h 56m

$332

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 22 results
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Compare providers for flights from Tucson to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Tucson to Ontario in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Tucson-Ontario flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Tucson-Ontario flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Tucson-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Tucson-Ontario flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Tucson-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Tucson to Ontario

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

Cheapflights Insights

Everything you need to know about your flight from Tucson to Ontario

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

Currently, February is the cheapest month in which you can book a flight from Tucson to Ontario (average of $25). Flying from Tucson to Ontario in April is currently the most expensive (average of $197). 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 TUS to ONT?

Find hourly flight availability from Tucson 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 December 9, 2025.

It’s typically best to fly out from Tucson to Ontario in the afternoon. Doing so could potentially save you 11% on the flight price compared to flying in the evening, which is usually more expensive.

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 December 9, 2025.
Peruse reviews from past customers who have flown with American Airlines and Frontier from Tucson 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.
American Airlines
7.2
Good
11,043 reviews

Crew

8.0

Entertainment

6.9

Boarding

7.5

Food

6.5

Overall

7.2

Comfort

7.2

Reviews

1 / 20
4.0
Okay

Amanda,Sep 2023

PHX - OGG

The flight attendants only came thru twice for drink service the entire 6 hour flight. The first was 90 minutes in and the second was an hour before landing. It feels like it should be more.
American Airlines
7.2
Good
11,043 reviews
American Airlines
7.2
Good
11,043 reviews

Crew

8.0

Entertainment

6.9

Boarding

7.5

Food

6.5

Overall

7.2

Comfort

7.2

Reviews

1 / 20
4.0
Okay

Amanda,Sep 2023

PHX - OGG

The flight attendants only came thru twice for drink service the entire 6 hour flight. The first was 90 minutes in and the second was an hour before landing. It feels like it should be more.
Frontier
5.8
Fair
3,085 reviews
American Airlines
7.2
Good
11,043 reviews

Crew

8.0

Entertainment

6.9

Boarding

7.5

Food

6.5

Overall

7.2

Comfort

7.2

Reviews

1 / 20
4.0
Okay

Amanda,Sep 2023

PHX - OGG

The flight attendants only came thru twice for drink service the entire 6 hour flight. The first was 90 minutes in and the second was an hour before landing. It feels like it should be more.

Related info for your journey

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

  • How long is the flight from Tucson to Ontario?

    Departing from Tucson to Ontario will take you 8h 27m. The distance from Tucson to Ontario is about 408 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Tucson to Ontario round-trip?

    According to our current data, Frontier ($69), and American Airlines ($243) offers the cheapest pricing from Tucson to Ontario. Frontier is currently priced 78% below the average price you’ll pay for this route.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $72. However, be on the lookout for offers from American Airlines and Southwest, as they are both options that can get you from Tucson to Ontario for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Tucson 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.

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

    Currently, February is the cheapest month in which you can book a flight from Tucson to Ontario (average of $25). Flying from Tucson to Ontario in April is currently the most expensive (average of $197). 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

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Top 2 airlines flying from Tucson to Ontario

Discover the top 2 airlines that operate flights from Tucson 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 December 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$110Average$183FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$243Average$360FlexibilityNo cancel feeOn-time71%

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