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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — TUS
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$110
(Frontier)

One-way from

$55
(Mytrip)

Popular in

March

Cheapest in

January

Average price

$375
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. 5% potential increase in price ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 20, 2025.

This Frontier deal was found by Cheapflights users on 2/20. 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 4/112:59 amONT - TUS
1 stop9h 54mFrontier
Wed 4/911:59 amTUS - ONT
1 stop12h 00mFrontier
Deal found 2/20$110
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Sat 3/226:10 amONT - TUS
1 stop3h 50mAmerican Airlines
Tue 3/255:30 amTUS - ONT
1 stop6h 29mAmerican Airlines
Deal found 2/20$277
This Southwest deal was found by Cheapflights users on 2/20. 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 3/226:15 amONT - TUS
1 stop5h 35mSouthwest
Tue 3/256:40 amTUS - ONT
2 stops7h 35mSouthwest
Deal found 2/20$297
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Wed 4/26:00 amONT - TUS
1 stop5h 44mUnited Airlines
Wed 4/91:45 pmTUS - ONT
1 stop6h 57mUnited Airlines
Deal found 2/20$338
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/147:00 amONT - TUS
1 stop15h 04mAlaska Airlines
Mon 3/176:44 amTUS - ONT
1 stop28h 18mAlaska Airlines
Deal found 2/18$392
This Delta deal was found by Cheapflights users on 2/19. 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.
Sun 5/186:00 amONT - TUS
1 stop4h 21mDelta
Fri 5/235:50 amTUS - ONT
1 stop6h 34mDelta
Deal found 2/19$457
This Expedia deal was found by Cheapflights users on 2/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2712:59 amONT - TUS
1 stop10h 00mMultiple Airlines
Sun 3/306:00 amTUS - ONT
1 stop12h 23mMultiple Airlines
Deal found 2/18$458

Find flights from Ontario to Tucson within your budget

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 February 20, 2025.

Fly from

Ontario

Fly to

Tucson

Route

Depart

Return

Price

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Tue 4/1

12:59 am-10:53 am

1 stop9h 54m

Tucson

Wed 4/9

11:59 am-11:59 pm

1 stop12h 00m

$110

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Sat 3/22

6:10 am-10:00 am

1 stop3h 50m

Tucson

Tue 3/25

6:30 am-11:59 am

1 stop5h 29m

$277

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Sat 3/22

6:15 am-11:50 am

1 stop5h 35m

Tucson

Tue 3/25

6:40 am-2:15 pm

2 stops7h 35m

$297

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Wed 4/2

6:00 am-11:44 am

1 stop5h 44m

Tucson

Wed 4/9

1:45 pm-8:42 pm

1 stop6h 57m

$338

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Fri 3/14

7:00 am-10:04 pm

1 stop15h 04m

Tucson

Mon 3/17

6:44 am-11:02 am

1 stop28h 18m

$392

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Sun 5/18

6:00 am-10:21 am

1 stop4h 21m

Tucson

Fri 5/23

5:50 am-12:24 pm

1 stop6h 34m

$457

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Thu 3/27

12:59 am-10:59 am

1 stop10h 00m

Tucson

Sun 3/30

6:00 am-6:23 pm

1 stop12h 23m

$458

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Wed 5/7

12:59 am-11:17 am

1 stop10h 18m

$55

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Wed 4/9

10:45 am-1:50 pm

1 stop3h 05m

$134

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Tue 3/11

4:30 pm-9:58 pm

1 stop5h 28m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 12 results
1
2

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 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.

Travel insights for flights from Ontario to Tucson

Get recent, data-driven insights about flights from Ontario to Tucson including ideal travel times, pricing trends, and more.

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 June is currently the most expensive (average of $469). 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 February 20, 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.

Rainfall in Tucson by month

Plan your trip to Tucson by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Tucson ranges from 0.2 - 2.4 inches per month. August is typically the wettest month, when rainfall can reach 2.4 in. May is typically the driest time to visit Tucson when rainfall is around 0.2 in.

Temperature in Tucson by month

Plan your trip to Tucson by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Tucson, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 87.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 February 20, 2025.
To help decide which airline to fly from Ontario to Tucson, see what other customers have to say about Southwest, Alaska Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,697 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
8,765 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

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 $110, 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 Delta and American Airlines - these airlines can fly you to your destination from $277 and $292, respectively. Frontier is currently priced 72% 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 $55. Users have also found prices from $134 and $139 on Southwest 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 June is currently the most expensive (average of $469). 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

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
San Jose to Las Vegas flights
Los Angeles to Las Vegas flights
Santa Ana to Las Vegas flights
Oakland to Las Vegas flights
Burbank to Las Vegas flights
Los Angeles to Sky Harbor Intl flights
San Francisco to Sky Harbor Intl flights
Ontario to Las Vegas flights
Ontario to Sky Harbor Intl flights
Santa Ana to Sky Harbor Intl flights
San Diego to Las Vegas flights
San Jose to Sky Harbor Intl flights
Sacramento to Las Vegas flights
San Diego to Sky Harbor Intl flights
Oakland to Sky Harbor Intl flights
Sacramento to Sky Harbor Intl flights
Fresno to Las Vegas flights
Burbank to Sky Harbor Intl flights
Santa Rosa to Las Vegas flights
Stockton to Las Vegas flights
Reno to Las Vegas flights
Long Beach to Las Vegas flights
Long Beach to Sky Harbor Intl flights
Fresno to Sky Harbor Intl flights
Palm Springs to Las Vegas flights
San Francisco to Tucson flights
San Francisco to Phoenix-Mesa Gateway flights
Las Vegas to Sky Harbor Intl flights
Los Angeles to Tucson flights
Reno to Sky Harbor Intl flights
Los Angeles to Phoenix-Mesa Gateway flights
Monterey to Sky Harbor Intl flights
Palm Springs to Sky Harbor Intl flights
Santa Barbara to Sky Harbor Intl flights
Medford to Sky Harbor Intl flights
Oakland to Phoenix-Mesa Gateway flights
San Luis Obispo to Sky Harbor Intl flights
San Luis Obispo to Las Vegas flights
Redding to Las Vegas flights
Santa Barbara to Las Vegas flights
Bakersfield to Sky Harbor Intl flights
San Diego to Tucson flights
Santa Ana to Tucson flights
Santa Rosa to Sky Harbor Intl flights
Medford to Las Vegas flights
Oakland to Tucson flights
Sacramento to Tucson flights
Las Vegas to Tucson flights

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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$274Average$380FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$284Average$354FlexibilityNo 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.