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$72+ Cheap flights from Ontario to Tucson (ONT - TUS)

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — TUS
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Ontario to Tucson

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Tucson (TUS). 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 3, 2025.

Round-trip from

$177
(American Airlines)

One-way from

$72
(Priceline)

Popular in

December

Cheapest in

January

Average price

$364
From Ontario to Tucson
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One-way flight from Ontario to Tucson
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Highest demand for flights based on searches. 2% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Ontario to Tucson

Cheapest flights from Ontario to Tucson
Explore the most affordable flight options available from Ontario to Tucson. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Priceline deal was found by Cheapflights users on 7/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/106:00 amONT - TUS
1 stop5h 50mFrontier
Thu 7/1712:45 pmTUS - ONT
1 stop3h 34mFrontier
Deal found 7/3$143
This American Airlines deal was found by Cheapflights users on 7/2. 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 8/76:17 amONT - TUS
1 stop3h 12mAmerican Airlines
Mon 8/113:00 pmTUS - ONT
1 stop2h 52mAmerican Airlines
Deal found 7/2$177
This Southwest deal was found by Cheapflights users on 7/3. 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 9/2410:20 amONT - TUS
1 stop6h 15mSouthwest
Sat 9/275:45 amTUS - ONT
1 stop5h 15mSouthwest
Deal found 7/3$189
This Delta deal was found by Cheapflights users on 6/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/75:09 pmONT - TUS
1 stop4h 25mDelta
Mon 8/114:55 pmTUS - ONT
1 stop6h 45mDelta
Deal found 6/30$197
This United Airlines deal was found by Cheapflights users on 7/2. 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 10/141:53 pmONT - TUS
1 stop7h 06mUnited Airlines
Sat 10/187:15 amTUS - ONT
1 stop4h 58mUnited Airlines
Deal found 7/2$261
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1212:00 pmONT - TUS
1 stop23h 10mAlaska Airlines
Tue 8/1912:06 pmTUS - ONT
1 stop22h 38mAlaska Airlines
Deal found 7/2$342

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Tucson 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 July 3, 2025.
Use the filters below to find and compare flights from Ontario to Tucson that are best for you.

Fly from

Ontario

Fly to

Tucson

Route

Depart

Return

Price

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Thu 7/10

6:00 am-11:50 am

1 stop5h 50m

Tucson

Thu 7/17

12:45 pm-4:19 pm

1 stop3h 34m

$143

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Thu 8/7

6:17 am-9:29 am

1 stop3h 12m

Tucson

Mon 8/11

3:00 pm-5:52 pm

1 stop2h 52m

$177

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Wed 9/24

10:20 am-4:35 pm

1 stop6h 15m

Tucson

Sat 9/27

5:45 am-11:00 am

1 stop5h 15m

$189

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Thu 8/7

5:09 pm-9:34 pm

1 stop4h 25m

Tucson

Mon 8/11

4:55 pm-11:40 pm

1 stop6h 45m

$197

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Wed 9/10

5:10 am-12:33 pm

1 stop7h 23m

Tucson

Sat 9/13

1:30 pm-8:43 pm

1 stop7h 13m

$261

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Tue 8/12

12:00 pm-11:10 am

1 stop23h 10m

Tucson

Tue 8/19

12:06 pm-10:44 am

1 stop22h 38m

$342

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Sun 7/6

6:00 am-11:50 am

1 stop5h 50m

$72

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Thu 8/21

1:15 pm-8:18 pm

1 stop7h 03m

$131

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Tue 7/29

6:15 am-9:21 am

1 stop3h 06m

$149

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Fri 8/1

6:00 am-10:19 am

1 stop4h 19m

$169

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 12 results
1
2

Best time to book a flight from Ontario to Tucson

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

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

Currently, January is the cheapest month in which you can book a flight from Ontario to Tucson (average of $364). Flying from Ontario to Tucson in March is currently the most expensive (average of $424). 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 ONT to TUS?

Find hourly flight availability from Ontario to Tucson. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

It’s typically best to fly out from Ontario to Tucson at noon. Doing so could potentially save you 22% on the flight price compared to flying in the afternoon, which is usually more expensive.

Reviews of airlines servicing Tucson

Get insights into the airlines that provide service to Tucson. 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 Tucson. Reviews last updated July 3, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Ontario to Tucson have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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

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

    Currently priced at $177, American Airlines will fly you from Ontario to Tucson and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Southwest and Delta - these airlines can fly you to your destination from $189 and $197, respectively. American Airlines is currently priced 52% below the average price you’ll pay for this route.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $72. Users have also found prices from $131 and $149 on United Airlines and American Airlines, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Tucson 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 Ontario to Tucson?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Tucson (average of $364). Flying from Ontario to Tucson in March is currently the most expensive (average of $424). 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

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Sierra Vista
Green Valley

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Alternative routes for Ontario to Tucson

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Top 2 airlines flying from Ontario to Tucson

Discover the top 2 airlines that operate flights from Ontario to Tucson. 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$276Average$359FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$284Average$364FlexibilityNo cancel feeOn-time63%

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