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Tucson

$76+ 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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — TUS
Apr 25 — May 21
Sat 4/25
Sat 5/2
1 adult, Economy
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Cheap 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 March 26, 2026.

This Frontier deal was found by Cheapflights users on 3/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/910:27 pm
ONT
-
TUS
1 stop9h 40m
Frontier
Mon 4/131:23 pm
TUS
-
ONT
1 stop6h 44m
Frontier
Deal found 3/21$160
This Frontier deal was found by Cheapflights users on 3/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/210:27 pm
ONT
-
TUS
1 stop9h 40m
Frontier
Mon 4/61:08 pm
TUS
-
ONT
1 stop6h 59m
Frontier
Deal found 3/22$205
This Frontier deal was found by Cheapflights users on 3/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/210:27 pm
ONT
-
TUS
1 stop9h 40m
Frontier
Fri 4/31:23 pm
TUS
-
ONT
1 stop6h 44m
Frontier
Deal found 3/25$230
This Southwest deal was found by Cheapflights users on 3/25. 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 4/223:45 pm
ONT
-
TUS
1 stop5h 40m
Southwest
Wed 4/296:35 am
TUS
-
ONT
1 stop3h 30m
Southwest
Deal found 3/25$233
This Southwest deal was found by Cheapflights users on 3/22. 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 4/141:55 pm
ONT
-
TUS
1 stop7h 20m
Southwest
Wed 4/296:35 am
TUS
-
ONT
1 stop3h 30m
Southwest
Deal found 3/22$251
This American Airlines deal was found by Cheapflights users on 3/25. 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 4/2312:19 pm
ONT
-
TUS
1 stop4h 16m
American Airlines
Mon 4/273:06 pm
TUS
-
ONT
1 stop3h 24m
American Airlines
Deal found 3/25$279

Find 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 March 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$160
(Frontier)

One-way from

$76
(Frontier)

Popular in

January

Cheapest in

February

Average price

$307
Provider with most accurate pricing for Ontario-Tucson flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Tucson flights.
Search Deals
From Ontario to Tucson
Search Deals
One-way flight from Ontario to Tucson
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. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 26, 2026.
Use the filters below to find and compare flights from Ontario to Tucson that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Thu 5/7

6:00 am-10:24 am

1 stop4h 24m

Tucson

Mon 5/11

4:52 pm-11:34 pm

1 stop6h 42m

$279

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Tue 4/14

1:55 pm-9:15 pm

1 stop7h 20m

Tucson

Thu 4/16

5:35 am-11:20 am

2 stops5h 45m

$331

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Fri 6/26

9:40 am-4:07 pm

1 stop6h 27m

Tucson

Sun 6/28

7:05 am-12:10 pm

1 stop5h 05m

$395

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Thu 4/23

5:30 am-11:20 am

2 stops5h 50m

Tucson

Mon 4/27

5:35 am-11:20 am

2 stops5h 45m

$405
Quickest round-trip

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Fri 4/10

5:30 am-9:00 am

1 stop3h 30m

Tucson

Thu 4/16

5:05 am-11:20 am

1 stop6h 15m

$417

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Sat 4/18

7:00 am-8:26 pm

1 stop13h 26m

Tucson

Mon 4/20

7:46 am-9:39 am

1 stop25h 53m

$458

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Tue 7/14

1:18 pm-8:12 pm

1 stop6h 54m

Tucson

Tue 7/28

3:28 pm-10:37 pm

1 stop7h 09m

$465

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Fri 5/8

7:59 pm-11:47 am

1 stop15h 48m

Tucson

Wed 5/20

1:02 pm-11:58 pm

1 stop10h 56m

$478

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Thu 4/16

6:00 am-10:17 pm

1 stop16h 17m

Tucson

Mon 4/20

7:46 am-9:39 am

1 stop25h 53m

$478

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Tue 4/7

5:10 am-12:27 pm

1 stop7h 17m

Tucson

Wed 4/8

12:35 pm-5:47 pm

1 stop5h 12m

$511

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Ontario to Tucson

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 Ontario to Tucson in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*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 Ontario-Tucson flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Tucson flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Tucson flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Tucson flights, Cheapflights users trust FlightHub the most. FlightHub 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 Ontario-Tucson 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 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, November is the cheapest month in which you can book a flight from Ontario to Tucson (average of $39). Flying from Ontario to Tucson in June is currently the most expensive (average of $158). 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.

How much does it cost to fly round-trip from Ontario to Tucson?

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 March 26, 2026.
See what other customers who have flown with American Airlines and Frontier 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.
American Airlines
7.1
Good
11,496 reviews

Entertainment

6.9

Comfort

7.2

Food

6.4

Boarding

7.5

Overall

7.1

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.1
Good
11,496 reviews
American Airlines
7.1
Good
11,496 reviews

Entertainment

6.9

Comfort

7.2

Food

6.4

Boarding

7.5

Overall

7.1

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
Frontier
5.7
Fair
3,015 reviews
American Airlines
7.1
Good
11,496 reviews

Entertainment

6.9

Comfort

7.2

Food

6.4

Boarding

7.5

Overall

7.1

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

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.

  • How long is the flight from Ontario to Tucson?

    Airlines like Southwest, United Airlines, and Delta fly from Ontario to Tucson in about 6h 27m. The time it takes to get you to your destination can typically vary by up to 53m. Airlines will cover a distance of 408 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $143, Frontier will fly you from Ontario to Tucson and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $243. Frontier is currently priced 58% 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 $82. Users have also found prices from $90 and $108 on American Airlines and Southwest, 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, November is the cheapest month in which you can book a flight from Ontario to Tucson (average of $39). Flying from Ontario to Tucson in June is currently the most expensive (average of $158). 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 Tucson?

Book flights to Tucson if you plan to visit one of these locations
Sierra Vista
Bisbee
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 March 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$143Average$199FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$243Average$370FlexibilityNo cancel feeOn-time71%

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