ONT - TUS

$86 Find Cheap Flights from Ontario to Tucson

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Tucson departing on 4/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Tucson

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Tucson, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Tucson, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$224
Overall average: $400
Frontier
Thu 4/2Fri 4/3
ONT - TUS • 1 stop
Cheapest one-way
$86
Frontier
Thu 4/9
ONT - TUS • 1 stop
Top airlines
Frontier
Cheapest • from $224 (round-trip)
Southwest
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Ontario and Tucson. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Las Vegas (LAS)
Cheapest • Avg $313 (round-trip)
Phoenix (PHX)
Shortest trip • 3h 24m (one-way)
Insights
Insights
Insights
Insights
When to travel
July
Cheapest • 16% price drop
October
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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We hope you love your trip to Tucson!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Ontario to Tucson (ONT-TUS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Tucson that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Tucson

Thu, Apr 2 - Fri, Apr 3
Frontier Logo
10:27 pm - 8:07 am
ONT
-
TUS
9h 40m
1 stop
Frontier Logo
1:23 pm - 8:07 pm
TUS
-
ONT
6h 44m
1 stop
$224Frontier
Sat, Mar 7 - Fri, Mar 13
Frontier Logo
2:46 pm - 8:14 am
ONT
-
TUS
16h 28m
1 stop
Frontier Logo
12:04 pm - 1:28 pm
TUS
-
ONT
25h 24m
1 stop
$226Frontier
Thu, Mar 26 - Fri, Mar 27
Frontier Logo
8:07 am - 8:14 am
ONT
-
TUS
24h 07m
1 stop
Frontier Logo
12:04 pm - 3:37 pm
TUS
-
ONT
3h 33m
1 stop
$231Frontier
Sat, Mar 7 - Sun, Mar 8
Frontier Logo
2:46 pm - 8:14 am
ONT
-
TUS
16h 28m
1 stop
Frontier Logo
11:49 am - 8:06 am
TUS
-
ONT
20h 17m
1 stop
$237Frontier
Thu, Mar 19 - Mon, Mar 23
Frontier Logo
2:06 pm - 8:14 am
ONT
-
TUS
18h 08m
1 stop
Frontier Logo
11:17 am - 11:59 pm
TUS
-
ONT
12h 42m
1 stop
$245Frontier
Wed, May 6 - Sun, May 10
Alaska Airlines Logo
6:00 am - 10:41 pm
ONT
-
TUS
16h 41m
1 stop
Alaska Airlines Logo
7:50 am - 9:45 am
TUS
-
ONT
25h 55m
1 stop
$247Alaska Airlines
Sat, Mar 21 - Mon, Mar 23
Frontier Logo
7:31 pm - 8:14 am
ONT
-
TUS
12h 43m
1 stop
Frontier Logo
11:17 am - 11:59 pm
TUS
-
ONT
12h 42m
1 stop
$251Frontier
Thu, Mar 12 - Mon, Mar 16
Frontier Logo
2:06 pm - 8:14 am
ONT
-
TUS
18h 08m
1 stop
Frontier Logo
11:17 am - 11:59 pm
TUS
-
ONT
12h 42m
1 stop
$252Frontier
Wed, Mar 25 - Wed, Apr 1
American Airlines Logo
6:15 am - 10:00 am
ONT
-
TUS
3h 45m
1 stop
American Airlines Logo
11:53 am - 4:22 pm
TUS
-
ONT
4h 29m
1 stop
$255American Airlines
Tue, Mar 24 - Tue, Mar 31
American Airlines Logo
6:15 am - 10:00 am
ONT
-
TUS
3h 45m
1 stop
American Airlines Logo
11:53 am - 4:22 pm
TUS
-
ONT
4h 29m
1 stop
$256American Airlines
Booking Insights

KAYAK's insights & trends for Ontario to Tucson flights

Get data-powered insights and trends into flights from Ontario to Tucson to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Ontario to Tucson?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Ontario to Tucson, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Ontario to Tucson is July, where tickets cost $289 (return) on average. On the other hand, the most expensive months are January and April, where the average cost of round-trip tickets is $405 and $400 respectively.

Good to know

Low seasonAugust
Cheapest flight$86
Best time to beat the crowds but there is an average 4% increase in price.
Most popular time to fly with an average 2% increase in price.
Flight from Ontario to Tucson

When to book flights from Ontario to Tucson

Are your dates flexible? Find out the best times to travel from Ontario to Tucson based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Ontario to Tucson

  • Which airlines have a good carry-on baggage policy?

    American Airlines offer the highest carry-on baggage policy on the ONT to TUS route. You can only travel with a single carry-on bag whose dimensions must not exceed 14 x 9 x 22 inches, and its weight limit must be 40 lbs. You can also bring a laptop or a purse onboard as a personal item for free.

  • Which airlines allow pets to travel from Ontario to Tucson?

    When traveling with United from ONT to TUS, you can bring your pet onboard. They allow small dogs and cats on board for a fee. Unless you are a special needs passenger traveling with a trained service animal, you must enclose your pet in a carrier with dimension limits of 11 x 18 x 11 inches. Additionally, those traveling with trained service animals are not charged extra costs.

  • Can a minor travel unaccompanied from Ontario to Tucson?

    Delta Air Lines can allow your minor, aged 5 to 14 years, to travel alone from ONT to TUS. They must be eight years and more to be eligible for their connecting flights. The airline offers priority check-in and boarding and unique assistance to these minors throughout the flight. During check-in, you must provide travel documents such as unaccompanied minor consent forms, passports, and visas. You must also provide your contact information including your photo ID, name, address, and phone number as the escorting and receiving adults at the destination airport.

  • Which airlines offer accessible services from Ontario to Tucson?

    United Airlines can accommodate passengers needing special assistance from ONT to TUS. They offer wheelchair assistance for those with reduced mobility during deplaning, navigation, and boarding. They also provide aid equipment such as walkers and onboard wheelchairs. Furthermore, they have closed captioning and audio descriptions featured on their in-flight entertainment to accommodate the low-vision and hard-of-hearing passengers.

  • What is the cheapest flight from Ontario to Tucson?

    In the last 3 days, the lowest price for a flight from Ontario to Tucson was $86 for a one-way ticket and $224 for a round-trip.

  • Do I need a passport to fly between Ontario and Tucson?

    No

  • Which aircraft models fly most regularly from Ontario to Tucson?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Ontario to Tucson?

    oneworld is the only airline alliance operating flights between Ontario and Tucson.

  • Which is the best airline for flights from Ontario to Tucson, Southwest or American Airlines?

    The two airlines most popular with KAYAK users for flights from Ontario to Tucson are Southwest and American Airlines. With an average price for the route of $401 and an overall rating of 8.0, Southwest is the most popular choice. American Airlines is also a great choice for the route, with an average price of $349 and an overall rating of 7.1.

  • How does KAYAK find such low prices on flights from Ontario to Tucson?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Tucson.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Tucson?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Tucson from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Tucson?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Tucson with an airline and back to Ontario with another airline. Booking your flights between Ontario and TUS can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Tucson?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Tucson from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Ontario to Tucson

  • Delta Air Lines, American Airlines, and United Airlines offer lie-flat seats to their Business-Class passengers flying from Ontario International Airport (ONT) to Tucson International Airport (TUS). The seats offer extra legroom for enhanced comfort during the long-haul journey.
  • If you fly with American Airlines from ONT to TUS, you can enjoy personalized meals that fit your dietary requirements. They include diabetic, vegan, vegetarian, gluten-free, lactose-free, and child-friendly meals.
  • Delta offers family-friendly services from ONT to TUS for passengers with children. They include pre-boarding, family seating options, in-flight entertainment with child-friendly content, and a kid’s pack with coloring materials, puzzles, games, and earplugs.
  • Alaska Airlines is among the airlines with the best sustainable practices. They include investing in modernized fuel-efficient aircraft to reduce greenhouse gases, optimizing flight routes to reduce fuel consumption, and implementing carbon offsetting and waste-reduction programs.
  • You can use public transport to access Downtown Ontario from ONT Airport. Line 61 bus of Omnitrans, operating every 30 minutes, can connect you from ONT Airport at Terminal Way 2 to Holt AT Lemon Wb Ns in Downtown Ontario. You can also use a taxi from ONT Airport to Downtown Ontario.

Reviews of the top 3 airlines serving from Ontario to Tucson

 
See real verified KAYAK customer reviews for airlines flying from Ontario to Tucson. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Ontario to Tucson? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4299 reviews
8.0Comfort
8.1Boarding
7.0Food
8.6Crew
7.5Entertainment
Airline reviews

The Southwest experience has definitely taken a dive from its early days. You can no longer deferentiate from other airlines. Air travel is too expensive. Southwest is no longer budget friendly. They have lost me as a loyal customer.

4.0 OkayDaniel, Feb 2026
LGB - PHX
Read more Southwest reviews

The Southwest experience has definitely taken a dive from its early days. You can no longer deferentiate from other airlines. Air travel is too expensive. Southwest is no longer budget friendly. They have lost me as a loyal customer.

The charges were ridiculous for an hour flight and the turbulence was very scary.

Still need to work out the kinks on the new assigned seating boarding process. Otherwise, a very good flight.

The seats are now more narrow. I paid for front row the seats in the front are even more narrow than before.

Flight attendants very hospitable and friendly. Pilot flew a smooth take off and landing.

The wifi on the plane is great. The only issue that I have is that I prefer an aisle seat and on my trips this week, I was either in the middle or window. If we can work to secure aisle seating, I will be thrilled. Nice trip.

Great vacation. Can't wait till next year for another one.

Great flight but super high price. Glad it was a business trip and not personal

3 hour delay. Had to change plans and was still delayed.

We got exit row seats both flights. Everything was running on time

I like that the flight attendant was very attentive and helpful. The meal menu could have more of an variety of food choices.

The flight was fine, once we got underway. It was more than hour delayed

Arrived 40 min early which was great - sat in runway for 35 min so no gain. Then waited for luggage 45 min. They need to staff accordingly knowing its one of the busiest week in Phx

My flight got rerouted due to crew rest. I was sent to Dallas customer service was not very polite. Was given a $40 room voucher for Motel 6 and $12 to eat with. It delayed me by a day. Where if I would have just stuck with my original flight Arizona was delayed to Cleveland and I could have made it home. They put me on a 9:00 flight out of Dallas to Cleveland without my knowledge or consent. When originally I was told it would be 8:45 a.m. on February 1st. I told them I could not take the 9:00 flight because I did not have anybody to pick me up from the airport at that time. I'm extremely disappointed in how I was treated. And I will not fly American Airlines again.

It would be nice to have some low carb options in the snacks.

The plane was experiencing problems with the HVAC system, it was very cold in the front of the plane and very hot in the back.

Trip delayed for 2 hours because of rain. We boarded and have to get down the flight and reboard again.

I love American. I’ll never fly anyone else if I can help it.

The flight was on time and arrived early. The crew were friendly and helpful.

Overall experience was great. Flights were almost on time in departing and we arrived at our destination as scheduled. No issues with amenities or flight crew. Everything went well as as expected. Will fly again with American Airlines in the future!

Gate not determined until I got to the airport - hard to plan the trip to the airport.

Very well recently! Frontier is improving and less harrassing customer on luggages! Positive!

It was ok. It was expensive to check 2 bags ($75.00 per bag), and then it took a long time to wait for shuttle to take us from one terminal to the terminal where the plane was taking off at LAX. And all of this for a flight where we had to pay for any food or drink that was not water.

When I wanted to check in 3 hours prior to boarding time, the employees mentioned “a little over an hour delay” so I waited for an hour then I went to go look for food in the terminal and most people from that flight were in the same area looking for food. Finally I decided after food to check to see if it’s anytime closer and now it’s 2 mins until boarding closes?! What are you kidding me? I didn’t receive anything via sms about boarding now nor via email or on the intercom. I luckily made it through, barely, and then there’s no room for my carry on mind you I’m in the very first row so I had to place my purse in one further row back and my carry on sections down. Not sure who pays for better seats to get your stuff placed all over the plane but that was the worst experience I’ve ever had flying with anyone.

Just know that everything, and I mean everything is “ala cart”. 60$ just to put something in the overhead bin. I will never fly Frontier again nor do I recommend them to anyone else.

This airline sucks. They offer low rates then charge you for everything, the app does not work well, the seats are the most uncomfortable. Maintenance issues on the flight, and you still have to sit through their credit card commercials. People are nice enough but does not make up for overall poor experience.

Flight was delayed one hour. Notification to the crowd waiting near the gate was terrible…announcements were unclear and very hard to hear and therefore understand. Frontier does NOT send texts to notify, only email. The reader board over the gate itself was NEVER updated to indicate the gate had been changed. It’s like a bunch of children are running things.

We’ve all seen the YouTube vids of out of control passengers. But this was an instance of a highly aggressive, bully flight attendant. Yelling in the face of a vet with PTSD who was texting their family. And no , we had not yet been instructed to put our phones in airplane mode. My suggestion is that you should pay whatever difference there is in order to avoid Frontier airlines. Additionally, after 3hrs trying to get customer service frontier offered a $25 voucher. I declined. This experience was so traumatic. To be verbally assaulted and abused by a flight attendant that has the power to say “boo” and I miss my flight ( which was to a family member’s funeral ). Frontier is unsafe and I cannot impress enough how much I discourage anyone ( esp those with any kind of disability like PTSD ) flying on Frontier.

We had to wait in line over an hour just to check our bags. It's a good thing we were so early to the airport. Only one clerk was working and the line was around the corner and down the hall. No good. I felt bad for her. Not sure how she kept her sanity with all the upset people. Then we get to our gate and there is no seating. Everyone was standing. Then I realize it is not a gate at all, we still have to be shuttled to our airplane. Ugh. Then we were late taking off and missed a window of opportunity before the airport runways were shut down for some reason. (not frontier's fault the runway shut down.) The seats on the airline are crammed and there is no cushion. Never had a tighter seating arrangement while flying. My 6' 4" husband was absolutely miserable the whole time with knees digging in to the seat in front of him. You think you are getting a good deal on a ticket, and then wham! I had to pay 75 dollars for our checked bags and 75 dollars for a carry on. No other airline does that!!! And also, there is a 40 pound weight limit on checked bags... Would have been cheaper flying with another airline, and I would have at least gotten a snack and drink. Was thankful for the tiny cup of water at least.

Cancelled flight after I arrived at airport after 75 min drive and parking. Next flight was 4 days in the future. Had to scramble and buy a much more expensive flight on another carrier.

Everything you need to know for your flight from Ontario to Tucson

Information on your arrival and departure airports