HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
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 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Tucson 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.

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 12, 2025.

This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:20 pmTUS - ONT
1 stop22h 55mMultiple Airlines
Mon 1/57:00 amONT - TUS
2 stops10h 23mMultiple Airlines
Deal found 12/9$303
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/237:20 pmTUS - ONT
1 stop26h 57mFrontier
Mon 12/296:00 pmONT - TUS
1 stop23h 35mFrontier
Deal found 12/11$344
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
Sun 12/217:43 pmTUS - ONT
1 stop22h 32mFrontier
Mon 12/296:00 pmONT - TUS
1 stop23h 35mFrontier
Deal found 12/11$354
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/237:20 pmTUS - ONT
1 stop22h 55mFrontier
Sat 12/275:16 pmONT - TUS
1 stop24h 42mFrontier
Deal found 12/11$384
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
Sun 12/217:43 pmTUS - ONT
1 stop22h 32mFrontier
Sat 12/275:16 pmONT - TUS
1 stop24h 42mFrontier
Deal found 12/11$394
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/237:20 pmTUS - ONT
1 stop26h 57mFrontier
Sun 12/286:00 amONT - TUS
1 stop11h 58mFrontier
Deal found 12/11$395
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
Sun 12/217:43 pmTUS - ONT
1 stop22h 32mFrontier
Sun 12/286:00 amONT - TUS
1 stop11h 58mFrontier
Deal found 12/11$405
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:43 pmTUS - ONT
1 stop4h 24mAmerican Airlines
Mon 12/296:20 amONT - TUS
1 stop5h 01mAmerican Airlines
Deal found 12/9$406
This Southwest deal was found by Cheapflights users on 12/11. 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.
Wed 12/245:25 amTUS - ONT
1 stop5h 15mSouthwest
Sun 12/285:20 pmONT - TUS
2 stops6h 50mSouthwest
Deal found 12/11$411

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 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$167
(Kiwi.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 12, 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

Sat 1/17

6:00 am-8:36 pm

1 stop15h 36m

Ontario

Sun 1/18

6:00 am-3:30 pm

1 stop8h 30m

$224

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 1/29

4:29 pm-11:56 pm

1 stop8h 27m

Ontario

Sun 2/1

6:00 am-11:59 pm

1 stop16h 59m

$224

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 1/15

4:29 pm-11:56 pm

1 stop8h 27m

Ontario

Sun 1/18

6:00 am-3:30 pm

1 stop8h 30m

$254

TucsonOntario

TUS - ONT

TUSONT

Tucson

Wed 1/28

6:00 am-3:08 pm

1 stop10h 08m

Ontario

Fri 1/30

4:03 pm-3:30 pm

1 stop22h 27m

$254

TucsonOntario

TUS - ONT

TUSONT

Tucson

Sat 1/17

8:00 am-12:16 pm

1 stop5h 16m

Ontario

Sat 1/31

6:00 am-11:20 am

1 stop4h 20m

$257

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

Sun 1/18

6:00 am-11:56 pm

1 stop18h 56m

Ontario

Tue 1/27

11:53 am-11:59 pm

1 stop11h 06m

$279

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 1/23

6:08 pm-8:10 pm

1 stop27h 02m

Ontario

Sun 1/25

6:00 am-3:30 pm

1 stop8h 30m

$283

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 1/8

4:29 pm-11:56 pm

1 stop8h 27m

Ontario

Mon 1/12

11:53 am-11:59 pm

1 stop11h 06m

$285

TucsonOntario

TUS - ONT

TUSONT

Tucson

Tue 12/30

7:20 pm-5:15 pm

1 stop22h 55m

Ontario

Mon 1/5

7:00 am-6:23 pm

2 stops10h 23m

$303

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 21 results
1
2
3

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 12, 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 12, 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
11,049 reviews

Entertainment

6.9

Food

6.5

Boarding

7.5

Comfort

7.2

Crew

8.0

Overall

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
11,049 reviews
American Airlines
7.2
Good
11,049 reviews

Entertainment

6.9

Food

6.5

Boarding

7.5

Comfort

7.2

Crew

8.0

Overall

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
3,084 reviews
American Airlines
7.2
Good
11,049 reviews

Entertainment

6.9

Food

6.5

Boarding

7.5

Comfort

7.2

Crew

8.0

Overall

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 5h 16m. 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

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 Tucson to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Sky Harbor Intl to San Francisco flights
Sky Harbor Intl to Las Vegas flights
Sky Harbor Intl to Los Angeles flights
Las Vegas to Los Angeles flights
Sky Harbor Intl to Ontario flights
Las Vegas to San Francisco flights
Las Vegas to Burbank flights
Las Vegas to Santa Ana flights
Sky Harbor Intl to San Diego flights
Sky Harbor Intl to Burbank flights
Sky Harbor Intl to Santa Ana flights
Sky Harbor Intl to Sacramento flights
Las Vegas to San Diego flights
Tucson to Las Vegas flights
Sky Harbor Intl to San Jose flights
Tucson to San Diego flights
Las Vegas to Ontario flights
Las Vegas to San Jose flights
Tucson to Los Angeles flights
Phoenix-Mesa Gateway to Las Vegas flights
Las Vegas to Sacramento flights
Sky Harbor Intl to Reno flights
Las Vegas to Reno flights
Tucson to San Francisco flights
Las Vegas to Oakland flights
Sky Harbor Intl to Long Beach flights
Sky Harbor Intl to Oakland flights
Las Vegas to Palm Springs flights
Sky Harbor Intl to Medford flights
Tucson to Santa Ana flights
Sky Harbor Intl to Fresno flights
Sky Harbor Intl to Santa Barbara flights
Las Vegas to Stockton flights
Sky Harbor Intl to Monterey flights
Sky Harbor Intl to Palm Springs flights
Sky Harbor Intl to Bakersfield flights
Sky Harbor Intl to Santa Rosa flights
Las Vegas to Long Beach flights
Tucson to Sacramento flights
Sky Harbor Intl to San Luis Obispo flights
Las Vegas to Santa Rosa flights
Tucson to Reno flights
Las Vegas to Medford flights
Tucson to San Jose flights
Las Vegas to Redding flights
Las Vegas to Fresno flights
Tucson to Palm Springs flights
Las Vegas to San Luis Obispo flights
Tucson to Oakland flights

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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$110Average$183FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$243Average$360FlexibilityNo cancel feeOn-time71%

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.