HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$116+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — ONT
Aug 19 — Aug 261
Wed 8/19
Wed 8/26
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 July 20, 2026.

This Delta deal was found by Cheapflights users on 7/19. 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.
Sat 9/54:50 pm
TUS
-
ONT
1 stop5h 33m
Delta
Sun 9/65:05 pm
ONT
-
TUS
1 stop4h 41m
Delta
Deal found 7/19$309
This Southwest deal was found by Cheapflights users on 7/15. 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.
Thu 8/205:35 am
TUS
-
ONT
2 stops5h 50m
Southwest
Mon 8/2412:35 pm
ONT
-
TUS
1 stop5h 30m
Southwest
Deal found 7/15$314
This Southwest deal was found by Cheapflights users on 7/16. 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.
Fri 9/182:00 pm
TUS
-
ONT
1 stop5h 20m
Southwest
Mon 9/215:45 pm
ONT
-
TUS
1 stop4h 35m
Southwest
Deal found 7/16$352
This Southwest deal was found by Cheapflights users on 7/19. 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 11/2511:15 am
TUS
-
ONT
1 stop5h 50m
Southwest
Wed 11/256:30 pm
ONT
-
TUS
1 stop5h 40m
Southwest
Deal found 7/19$355
This Southwest deal was found by Cheapflights users on 7/16. 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.
Fri 8/149:55 am
TUS
-
ONT
1 stop5h 20m
Southwest
Mon 8/174:50 pm
ONT
-
TUS
1 stop4h 50m
Southwest
Deal found 7/16$362
This Southwest deal was found by Cheapflights users on 7/18. 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.
Sat 10/36:10 am
TUS
-
ONT
1 stop5h 00m
Southwest
Sun 10/42:50 pm
ONT
-
TUS
1 stop7h 45m
Southwest
Deal found 7/18$366

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 July 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(Delta)

One-way from

$116
(Frontier)

Popular in

March

Cheapest in

September

Average price

$394
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. 25% potential increase in price ($135 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 July 20, 2026.
Use the filters below to find and compare flights from Tucson to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TucsonOntario

TUS - ONT

TUSONT

Tucson

Sat 9/5

4:50 pm-10:23 pm

1 stop5h 33m

Ontario

Sun 9/6

5:05 pm-9:46 pm

1 stop4h 41m

$309

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 8/13

3:19 pm-10:59 pm

1 stop7h 40m

Ontario

Sat 8/22

5:00 am-12:27 pm

1 stop7h 27m

$379

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 8/20

4:31 pm-11:34 pm

1 stop7h 03m

Ontario

Sun 8/23

6:00 am-10:30 am

1 stop4h 30m

$384

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 8/27

7:02 am-12:12 pm

1 stop5h 10m

Ontario

Mon 8/31

6:08 am-12:29 pm

1 stop6h 21m

$393

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 9/4

4:31 pm-11:34 pm

1 stop7h 03m

Ontario

Mon 9/7

6:00 am-10:30 am

1 stop4h 30m

$395

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 8/20

12:30 pm-8:01 pm

1 stop7h 31m

Ontario

Mon 8/24

1:56 pm-9:10 pm

1 stop7h 14m

$407
Quickest round-trip

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 8/14

5:10 am-12:10 pm

2 stops7h 00m

Ontario

Sun 8/16

6:40 am-9:50 am

1 stop3h 10m

$416

TucsonOntario

TUS - ONT

TUSONT

Tucson

Wed 8/19

7:02 am-12:12 pm

1 stop5h 10m

Ontario

Sun 8/23

6:08 am-12:29 pm

1 stop6h 21m

$422

TucsonOntario

TUS - ONT

TUSONT

Tucson

Mon 8/17

3:19 pm-10:59 pm

1 stop7h 40m

Ontario

Sun 8/23

1:56 pm-9:10 pm

1 stop7h 14m

$422

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 8/21

3:26 pm-8:01 pm

1 stop4h 35m

Ontario

Sun 8/23

1:56 pm-9:10 pm

1 stop7h 14m

$505

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/19

Showing 1-10 of 23 resultsSorted by cheapest first
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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 Tucson-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Tucson-Ontario flight deals on Cheapflights vs. FlightHub >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 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 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, September is the cheapest month in which you can book a flight from Tucson to Ontario (average of $151). Flying from Tucson to Ontario in March is currently the most expensive (average of $622). 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 Tucson to Ontario?

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 July 20, 2026.
Peruse reviews from past customers who have flown with Southwest and American Airlines 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.
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
American Airlines
7.1
Good
11,822 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

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 33m. 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, American Airlines ($243), and Southwest ($290) offers the cheapest pricing from Tucson to Ontario. American Airlines is currently priced 38% 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 Southwest and American Airlines, 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, September is the cheapest month in which you can book a flight from Tucson to Ontario (average of $151). Flying from Tucson to Ontario in March is currently the most expensive (average of $622). 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 Los Angeles flights
Sky Harbor Intl to Las Vegas flights
Sky Harbor Intl to San Francisco flights
Las Vegas to Los Angeles flights
Sky Harbor Intl to Ontario flights
Sky Harbor Intl to Santa Ana flights
Las Vegas to San Francisco flights
Las Vegas to Reno flights
Las Vegas to Santa Ana flights
Sky Harbor Intl to San Diego flights
Sky Harbor Intl to San Jose flights
Las Vegas to Ontario flights
Sky Harbor Intl to Sacramento flights
Sky Harbor Intl to Burbank flights
Las Vegas to Sacramento flights
Las Vegas to San Diego flights
Sky Harbor Intl to Reno flights
Las Vegas to Burbank flights
Tucson to Los Angeles flights
Las Vegas to San Jose flights
Tucson to San Francisco flights
Tucson to Las Vegas flights
Phoenix-Mesa Gateway to Las Vegas flights
Sky Harbor Intl to Long Beach flights
Sky Harbor Intl to Oakland flights
Las Vegas to Oakland flights
Sky Harbor Intl to Santa Barbara flights
Sky Harbor Intl to Monterey flights
Sky Harbor Intl to San Luis Obispo flights
Las Vegas to Stockton flights
Sky Harbor Intl to Fresno flights
Sky Harbor Intl to Santa Rosa flights
Sky Harbor Intl to Medford flights
Tucson to San Diego flights
Sky Harbor Intl to Palm Springs flights
Tucson to Burbank flights
Las Vegas to Long Beach flights
Tucson to Oakland flights
Tucson to Santa Ana flights
Sky Harbor Intl to Arcata flights
Tucson to San Luis Obispo flights
Tucson to Reno flights
Prescott to Los Angeles flights
Tucson to Fresno flights
Sky Harbor Intl to Bakersfield flights
Las Vegas to San Luis Obispo flights
Las Vegas to Monterey flights
Tucson to Sacramento flights
Las Vegas to Palm Springs 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 July 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$243Average$368FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$290Average$374FlexibilityNo cancel feeOn-time63%

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.