HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Tucson

$55+ 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — TUS
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Tucson 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 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 November 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$110
(Frontier)

One-way from

$55
(Frontier)

Popular in

December

Cheapest in

July

Average price

$389
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. 10% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 5, 2025.

This Mytrip deal was found by Cheapflights users on 11/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/412:04 pmONT - TUS
1 stop22h 41mFrontier
Sun 12/712:30 pmTUS - ONT
1 stop26h 55mFrontier
Deal found 11/3$133
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:15 amONT - TUS
1 stop11h 11mFrontier
Sun 12/712:30 pmTUS - ONT
1 stop26h 55mFrontier
Deal found 11/2$147
This Frontier deal was found by Cheapflights users on 11/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:22 amONT - TUS
1 stop7h 44mFrontier
Mon 11/172:20 pmTUS - ONT
1 stop8h 37mFrontier
Deal found 11/3$150
This Frontier deal was found by Cheapflights users on 11/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:00 amONT - TUS
1 stop6h 35mFrontier
Mon 11/172:20 pmTUS - ONT
1 stop8h 37mFrontier
Deal found 11/3$166
This Frontier deal was found by Cheapflights users on 11/4. 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.
Sun 11/2312:58 amONT - TUS
1 stop9h 50mFrontier
Mon 12/112:48 pmTUS - ONT
1 stop12h 09mFrontier
Deal found 11/4$168
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Thu 12/42:59 pmONT - TUS
1 stop26h 27mFrontier
Thu 12/116:08 pmTUS - ONT
2 stops28h 09mFrontier
Deal found 11/4$191
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:00 amONT - TUS
1 stop6h 35mFrontier
Sun 11/162:20 pmTUS - ONT
1 stop23h 31mFrontier
Deal found 11/2$193
This Frontier deal was found by Cheapflights users on 11/4. 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.
Tue 11/2512:58 amONT - TUS
1 stop9h 50mFrontier
Fri 11/281:48 pmTUS - ONT
1 stop8h 18mFrontier
Deal found 11/4$200
This Booking.com deal was found by Cheapflights users on 11/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2012:23 pmONT - TUS
1 stop22h 25mFrontier
Mon 11/2412:48 pmTUS - ONT
1 stop12h 09mFrontier
Deal found 11/3$203
This Frontier deal was found by Cheapflights users on 11/5. 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 11/137:22 amONT - TUS
1 stop7h 44mFrontier
Sun 11/1612:32 pmTUS - ONT
1 stop12h 18mFrontier
Deal found 11/5$206

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 November 5, 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 12/4

12:04 pm-11:45 am

1 stop22h 41m

Tucson

Sun 12/7

12:30 pm-2:25 pm

1 stop26h 55m

$133

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Fri 11/21

6:25 am-12:53 pm

1 stop5h 28m

Tucson

Mon 11/24

12:48 pm-11:57 pm

1 stop12h 09m

$144

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Fri 12/5

6:15 am-6:26 pm

1 stop11h 11m

Tucson

Sun 12/7

12:30 pm-2:25 pm

1 stop26h 55m

$147

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Sun 11/23

12:58 am-11:48 am

1 stop9h 50m

Tucson

Mon 12/1

12:48 pm-11:57 pm

1 stop12h 09m

$168

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Thu 11/20

12:23 pm-11:48 am

1 stop22h 25m

Tucson

Mon 11/24

12:48 pm-11:57 pm

1 stop12h 09m

$203

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Thu 1/15

4:03 pm-11:59 pm

1 stop6h 56m

Tucson

Tue 1/20

4:29 pm-3:08 pm

1 stop23h 39m

$245

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Fri 2/27

11:30 am-10:36 pm

1 stop10h 06m

Tucson

Mon 3/2

8:00 am-10:37 pm

1 stop15h 37m

$246

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Thu 1/29

11:53 am-11:59 pm

1 stop11h 06m

Tucson

Sat 1/31

6:00 am-3:08 pm

1 stop10h 08m

$246

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Wed 12/3

4:49 pm-10:45 pm

1 stop4h 56m

Tucson

Wed 12/10

5:45 pm-11:58 pm

1 stop7h 13m

$257

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Fri 12/5

7:33 pm-3:45 pm

1 stop19h 12m

Tucson

Mon 12/8

6:00 am-11:29 pm

1 stop18h 29m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 22 results
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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Tucson flight deals on Cheapflights vs. eDreams >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 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 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 $21). 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.

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 November 5, 2025.

It’s typically best to fly out from Ontario to Tucson at noon. Doing so could potentially save you 21% 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 November 5, 2025.
See what other customers who have flown with Southwest, 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.
Southwest
8.0
Very good
4,239 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Southwest
8.0
Very good
4,239 reviews
Southwest
8.0
Very good
4,239 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
American Airlines
7.2
Good
11,039 reviews
Southwest
8.0
Very good
4,239 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Frontier
5.8
Fair
3,115 reviews
Southwest
8.0
Very good
4,239 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.

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 Frontier fly from Ontario to Tucson in about 22h 41m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 408 mi.

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

    Currently priced at $141, Frontier will fly you from Ontario to Tucson and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Southwest - these airlines can fly you to your destination from $271 and $312, respectively. Frontier is currently priced 60% below the average price you’ll pay for this route.

  • 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 $21). 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
Green Valley

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 Ontario to Tucson

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

Top 3 airlines flying from Ontario to Tucson

Discover the top 3 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 November 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$141Average$181FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$271Average$367FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$312Average$392FlexibilityNo 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.