$80 Cheap Flights from Ontario (ONT) to Tucson (TUS)

View $80 flight on Sat, Dec 13, 2025Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Tucson International Airport (TUS)

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Cheap Flights from Ontario to Tucson (ONT-TUS)

Prices were available within the past 7 days and start at $80 for one-way flights and $159 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Aug 23 - Mon, Aug 25
ONT
Ontario
TUS
Tucson
$159 Roundtrip, found 4 days ago
$159
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Aug 23 from Ontario to Tucson, returning Mon, Aug 25, priced at $159 found 4 days ago
Southwest Airlines
Sat, Aug 23 - Mon, Aug 25
ONT
Ontario
TUS
Tucson
$161 Roundtrip, found 4 days ago
$161
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Sat, Aug 23 from Ontario to Tucson, returning Mon, Aug 25, priced at $161 found 4 days ago
Southwest Airlines
Fri, Sep 5 - Mon, Sep 8
ONT
Ontario
TUS
Tucson
$170 Roundtrip, found 4 days ago
$170
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Fri, Sep 5 from Ontario to Tucson, returning Mon, Sep 8, priced at $170 found 4 days ago
Southwest Airlines
Sat, Aug 23 - Mon, Aug 25
ONT
Ontario
TUS
Tucson
$172 Roundtrip, found 4 days ago
$172
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Sat, Aug 23 from Ontario to Tucson, returning Mon, Aug 25, priced at $172 found 4 days ago
American Airlines
Sat, Nov 1 - Mon, Nov 3
ONT
Ontario
TUS
Tucson
$176 Roundtrip, found 5 days ago
$176
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Nov 1 from Ontario to Tucson, returning Mon, Nov 3, priced at $176 found 5 days ago
Southwest Airlines
Fri, Sep 5 - Mon, Sep 8
ONT
Ontario
TUS
Tucson
$184 Roundtrip, found 4 days ago
$184
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Fri, Sep 5 from Ontario to Tucson, returning Mon, Sep 8, priced at $184 found 4 days ago
Delta
Fri, Sep 5 - Mon, Sep 8
ONT
Ontario
TUS
Tucson
$185 Roundtrip, found 4 days ago
$185
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Sep 5 from Ontario to Tucson, returning Mon, Sep 8, priced at $185 found 4 days ago
Southwest Airlines
Fri, Sep 5 - Mon, Sep 8
ONT
Ontario
TUS
Tucson
$187 Roundtrip, found 4 days ago
$187
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Fri, Sep 5 from Ontario to Tucson, returning Mon, Sep 8, priced at $187 found 4 days ago
United
Wed, Sep 3 - Wed, Sep 10
ONT
Ontario
TUS
Tucson
$200 Roundtrip, found 22 hours ago
$200
Roundtrip
found 22 hours ago
Select United flight, departing Wed, Sep 3 from Ontario to Tucson, returning Wed, Sep 10, priced at $200 found 22 hours ago
Frontier Airlines
Thu, Aug 14 - Thu, Aug 21
ONT
Ontario
TUS
Tucson
$203 Roundtrip, found 5 hours ago
$203
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Thu, Aug 14 from Ontario to Tucson, returning Thu, Aug 21, priced at $203 found 5 hours ago

Find the cheapest month to fly from Ontario (ONT) to Tucson (TUS)

April is typically the cheapest month to fly

From $150 - $429 per traveler.

Graph displaying average flight prices per month

Alternative airports near Tucson

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Tucson Intl. TUS. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $324
TUS
Tucson Intl.
CheapestClosest
Average driving time to city center14 min
Flights from $324
Flights from Ontario (ONT) to Tucson (TUS)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Tucson Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$158
Distance
407 mi

Ontario to Tucson Flights

The cheapest times to fly from Ontario to Tucson

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Ontario to Tucson are during the month of August. You can find some of the cheapest flights from Ontario to Tucson with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ontario to Tucson

Sunday is one of the best days to book for cheap flights from Ontario to Tucson: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Ontario to Tucson

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Ontario to Tucson in 2025. You can also book with separate airlines for your outbound and return journeys, from $80 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Ontario to Tucson flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Ontario to Tucson airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Los Angeles - Ontario Intl. Airport (ONT) to Tucson Intl. Airport (TUS) cost?
Discover the latest flight deals from ONT to TUS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from ONT to TUS?
The cheapest flights from ONT to TUS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Los Angeles - Ontario Intl. Airport (ONT) to Tucson Intl. Airport (TUS)?
You can't take a direct flight to Tucson Intl. Airport (TUS) from Ontario, CA (ONT-Los Angeles - Ontario Intl.). However, you can seamlessly travel to Tucson without any layovers by taking off from Los Angeles Intl. Airport (LAX).
What is the cheapest airline that flies from ONT to TUS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from ONT to TUS. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Los Angeles - Ontario Intl. Airport (ONT) to Tucson Intl. Airport (TUS)?
Nonstop flights from Los Angeles - Ontario Intl. Airport (ONT) to Tucson Intl. Airport (TUS) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ONT to TUS?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Los Angeles - Ontario Intl. Airport (ONT) to Tucson Intl. Airport (TUS)?
To avoid potential delays on the Los Angeles - Ontario Intl. Airport (ONT) to Tucson Intl. Airport (TUS) route, travel before 3 PM. Flights after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Los Angeles - Ontario Intl. Airport (ONT) to Tucson Intl. Airport (TUS) last-minute?
Last-minute fares from ONT to TUS are typically more expensive. For the best rates, start looking for flights well in advance. That being said, if your travel plans are flexible, it's possible to find a cheap ticket right before you leave.
Is it cheaper to book an ONT to TUS flight and hotel package?
You can save money by booking an ONT to TUS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've selected your preferred accommodations and flights, consider other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Los Angeles - Ontario Intl. Airport (ONT) to Tucson Intl. Airport (TUS)?
Typically, you can modify or cancel your ONT to TUS flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you want more details, head to our Customer Service portal.

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*Available to One Key members.