What airlines fly to Ontario?

American Airlines, Delta and Southwest are the top three most popular airlines that fly to Ontario from Tucson according to our data. American Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 6 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Tucson to Ontario?

Alaska Airlines is the most popular carrier operating from Tucson to Ontario

When did momondo last update prices for flights from Tucson Airport to Ontario Airport?

Prices for flights from Tucson Airport to Ontario Airport were last updated today.

How many operators does momondo search for flights from Tucson Airport to Ontario Airport?

The number of operators available for flights from Tucson Airport to Ontario Airport is 2 as of December 2025.

How old do you have to be to fly from Tucson Airport to Ontario Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Tucson Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$81 Cheap Flights from Tucson to Ontario in 2025/26

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Find the cheapest flights from Tucson to Los Angeles

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Cheap round-trip flights

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9:59 pm - 7:36 am

TUS

ONT

10h 37m1 stop

7:56 pm - 8:53 am

ONT

TUS

11h 57m1 stop

$171Frontier

Thu, Jan 8 - Sun, Jan 18

9:59 pm - 7:36 am

TUS

ONT

10h 37m1 stop

3:07 pm - 4:53 pm

ONT

TUS

24h 46m1 stop

$172Frontier

Thu, Jan 8 - Wed, Jan 21

9:59 pm - 7:36 am

TUS

ONT

10h 37m1 stop

8:48 pm - 7:55 pm

ONT

TUS

22h 07m1 stop

$184Frontier

Thu, Jan 8 - Thu, Jan 22

9:59 pm - 7:36 am

TUS

ONT

10h 37m1 stop

7:15 am - 9:58 am

ONT

TUS

25h 43m2 stops

$197Frontier

Thu, Jan 8 - Wed, Jan 21

7:43 pm - 5:15 pm

TUS

ONT

22h 32m1 stop

7:56 pm - 8:53 am

ONT

TUS

11h 57m1 stop

$204Frontier

Sun, Jan 4 - Sun, Jan 18

7:43 pm - 5:15 pm

TUS

ONT

22h 32m1 stop

3:07 pm - 4:53 pm

ONT

TUS

24h 46m1 stop

$205Frontier

Sun, Jan 4 - Wed, Jan 21

12:50 pm - 3:09 pm

TUS

ONT

27h 19m2 stops

7:56 pm - 8:53 am

ONT

TUS

11h 57m1 stop

$207Frontier

Mon, Jan 5 - Sun, Jan 18

12:50 pm - 3:09 pm

TUS

ONT

27h 19m2 stops

3:07 pm - 4:53 pm

ONT

TUS

24h 46m1 stop

$208Frontier

Mon, Jan 5 - Wed, Jan 21

12:50 pm - 11:59 pm

TUS

ONT

12h 09m1 stop

11:04 am - 4:53 pm

ONT

TUS

4h 49m1 stop

$213Frontier

Mon, Jan 5 - Thu, Jan 22

7:43 pm - 5:15 pm

TUS

ONT

22h 32m1 stop

8:48 pm - 7:55 pm

ONT

TUS

22h 07m1 stop

$218Frontier

Sun, Jan 4 - Thu, Jan 22

Frontier flights from Tucson to Ontario

Our best Frontier deals on Tucson to Ontario flight tickets

Frontier

Jan 8

TUS9:59 pmTucson

10h 37m

1 stop

ONT7:36 amOntario

Jan 18

ONT7:56 pmOntario

11h 57m

1 stop

TUS8:53 amTucson

$171

Find similar

Frontier

Jan 8

TUS9:59 pmTucson

10h 37m

1 stop

ONT7:36 amOntario

Jan 21

ONT3:07 pmOntario

24h 46m

1 stop

TUS4:53 pmTucson

$172

Find similar

Frontier

Jan 8

TUS9:59 pmTucson

10h 37m

1 stop

ONT7:36 amOntario

Jan 22

ONT8:48 pmOntario

22h 07m

1 stop

TUS7:55 pmTucson

$184

Find similar

Delta flights from Tucson to Ontario

Our best Delta deals on Tucson to Ontario flight tickets

Delta

Jan 6

TUS2:55 pmTucson

8h 56m

1 stop

ONT10:51 pmOntario

Jan 17

ONT3:30 pmOntario

21h 34m

1 stop

TUS2:04 pmTucson

$227

Find similar

Delta

Jan 6

TUS12:24 pmTucson

4h 48m

1 stop

ONT4:12 pmOntario

Jan 20

ONT5:10 pmOntario

4h 17m

1 stop

TUS10:27 pmTucson

$257

Find similar

Delta

Jan 6

TUS2:55 pmTucson

8h 56m

1 stop

ONT10:51 pmOntario

Jan 18

ONT6:00 amOntario

4h 24m

1 stop

TUS11:24 amTucson

$259

Find similar

Fly from

Fly to

Route

Depart

Return

Price

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 1/8

9:59 pm-7:36 am

1 stop10h 37m

Ontario

Sun 1/18

7:56 pm-8:53 am

1 stop11h 57m

$171

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 1/8

9:59 pm-7:36 am

1 stop10h 37m

Ontario

Wed 1/21

3:07 pm-4:53 pm

1 stop24h 46m

$172

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 1/8

9:59 pm-7:36 am

1 stop10h 37m

Ontario

Thu 1/22

8:48 pm-7:55 pm

1 stop22h 07m

$184

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 1/8

9:59 pm-7:36 am

1 stop10h 37m

Ontario

Wed 1/21

7:15 am-9:58 am

2 stops25h 43m

$197

TucsonOntario

TUS - ONT

TUSONT

Tucson

Sun 1/4

7:43 pm-5:15 pm

1 stop22h 32m

Ontario

Sun 1/18

7:56 pm-8:53 am

1 stop11h 57m

$204

TucsonOntario

TUS - ONT

TUSONT

Tucson

Sun 1/4

7:43 pm-5:15 pm

1 stop22h 32m

Ontario

Wed 1/21

3:07 pm-4:53 pm

1 stop24h 46m

$205

TucsonOntario

TUS - ONT

TUSONT

Tucson

Mon 1/5

12:50 pm-3:09 pm

2 stops27h 19m

Ontario

Sun 1/18

7:56 pm-8:53 am

1 stop11h 57m

$207

TucsonOntario

TUS - ONT

TUSONT

Tucson

Mon 1/5

12:50 pm-3:09 pm

2 stops27h 19m

Ontario

Wed 1/21

3:07 pm-4:53 pm

1 stop24h 46m

$208

TucsonOntario

TUS - ONT

TUSONT

Tucson

Mon 1/5

12:50 pm-11:59 pm

1 stop12h 09m

Ontario

Thu 1/22

11:04 am-4:53 pm

1 stop4h 49m

$213

TucsonOntario

TUS - ONT

TUSONT

Tucson

Sun 1/4

7:43 pm-5:15 pm

1 stop22h 32m

Ontario

Thu 1/22

8:48 pm-7:55 pm

1 stop22h 07m

$218

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Tucson to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Ontario?

In general, September is the cheapest month to fly from Tucson to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $162. If you aren’t able to travel during the month of September, then book flights to Ontario from Tucson during June instead. Flights to Ontario in June, while not as cheap as those in September, still average around $269.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Thursday when prices can be found for as low as $303. This is often the case because there is less demand to fly during this day of the week. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Tucson to Ontario for around $478.

What is the cheapest time of day to depart on your flight to Ontario?

In the afternoon is the cheapest time of day to fly from Tucson to Ontario when you can find flight prices for as low as $335. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $380 on average. Flights to Ontario from Tucson in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

How have Tucson to Ontario flight prices changed over time?

As of December 2025, prices for Tucson to Ontario flights are approximately 3% cheaper when compared to flights at the same time last year.

When to book flights from Tucson to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Tucson to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Tucson to Ontario (TUS to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Tucson to Ontario

Fastest flight time	3h 15m
Direct flights	None

The fastest flight from Tucson to Ontario takes 3h 15m

There are no direct flights from Tucson to Ontario. There are no popular flight routes from Tucson to Ontario.

Search flight deals

How far is Tucson to Ontario by plane?
The straight-line distance from Tucson to Ontario is 406.7 mi. Typically, this will take 3h 15m by plane in normal conditions.
When did momondo last update prices for flights from Tucson Airport to Ontario Airport?
Prices for flights from Tucson Airport to Ontario Airport were last updated today.
How many operators does momondo search for flights from Tucson Airport to Ontario Airport?
The number of operators available for flights from Tucson Airport to Ontario Airport is 2 as of December 2025.
How old do you have to be to fly from Tucson Airport to Ontario Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Tucson Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Tucson to Ontario?
Based on momondo bookings for flights between Tucson and Ontario, the leading airline is American Airlines, making up 85% of the total bookings. Other popular airlines include Frontier with 15%.

Best airlines flying from Tucson to Ontario

Compare and see reviews for airlines that fly from Tucson to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $110	Free Cancellation	Rating 5.8 3,082 reviews		Search Frontier flights
American Airlines	PriceFrom $243	Free Cancellation	Rating 7.2 11,053 reviews		Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Tucson to Ontario?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Tucson to Ontario. momondo saves you time and could save you money on your trip.

Can I find flights from Tucson to Ontario with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ontario from Tucson which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Tucson to Ontario?

momondo provides multiple filters to help you find the best flight to Ontario from Tucson. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Tucson to Ontario right now. Can momondo alert me if prices change?

Price alerts on flights to Ontario from Tucson are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.