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

Frontier is the most popular carrier operating from Tucson to Ontario

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.

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 November 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.

$72 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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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:50 pm - 11:59 pmTUS-ONT

12h 09m1 stop

8:19 am - 5:30 pmONT-TUS

8h 11m1 stop

$169Frontier

Find Deal

Mon, Dec 22 - Tue, Dec 30

12:50 pm - 11:59 pmTUS-ONT

12h 09m1 stop

6:00 pm - 6:35 pmONT-TUS

23h 35m1 stop

$196Frontier

Find Deal

Mon, Dec 22 - Mon, Dec 29

12:30 pm - 2:25 pmTUS-ONT

26h 55m1 stop

6:15 am - 6:41 pmONT-TUS

11h 26m1 stop

$200Frontier

Find Deal

Fri, Dec 5 - Mon, Dec 8

12:30 pm - 2:25 pmTUS-ONT

26h 55m1 stop

5:18 pm - 6:41 pmONT-TUS

24h 23m1 stop

$225Frontier

Find Deal

Fri, Dec 5 - Sun, Dec 7

12:50 pm - 11:59 pmTUS-ONT

12h 09m1 stop

6:10 am - 12:37 pmONT-TUS

5h 27m1 stop

$236Frontier

Find Deal

Mon, Jan 5 - Fri, Jan 16

4:29 pm - 3:08 pmTUS-ONT

23h 39m1 stop

11:53 am - 11:59 pmONT-TUS

11h 06m1 stop

$246Alaska Airlines

Find Deal

Wed, Jan 7 - Wed, Jan 14

9:41 am - 12:00 pmTUS-ONT

3h 19m1 stop

4:47 pm - 9:04 pmONT-TUS

3h 17m1 stop

$257American Airlines

Find Deal

Tue, Dec 9 - Tue, Dec 9

6:00 am - 11:56 pmTUS-ONT

18h 56m1 stop

4:03 pm - 3:30 pmONT-TUS

22h 27m1 stop

$266Alaska Airlines

Find Deal

Sun, Jan 11 - Sat, Jan 17

6:00 am - 8:36 pmTUS-ONT

15h 36m1 stop

6:00 am - 11:59 pmONT-TUS

16h 59m1 stop

$267Alaska Airlines

Find Deal

Sat, Jan 17 - Sun, Jan 18

1:32 pm - 11:59 pmTUS-ONT

11h 27m1 stop

7:56 pm - 8:53 amONT-TUS

11h 57m1 stop

$271Frontier

Find Deal

Fri, Jan 16 - Sun, Jan 18

Frontier flights from Tucson to Ontario

Our best Frontier deals on Tucson to Ontario flight tickets

Frontier

Dec 22

TUS12:50 pmTucson

12h 09m

1 stop

ONT11:59 pmOntario

Dec 30

ONT8:19 amOntario

8h 11m

1 stop

TUS5:30 pmTucson

$169

Find similar

Frontier

Dec 22

TUS12:50 pmTucson

12h 09m

1 stop

ONT11:59 pmOntario

Dec 29

ONT6:00 pmOntario

23h 35m

1 stop

TUS6:35 pmTucson

$196

Find similar

Frontier

Dec 5

TUS12:30 pmTucson

26h 55m

1 stop

ONT2:25 pmOntario

Dec 8

ONT6:15 amOntario

11h 26m

1 stop

TUS6:41 pmTucson

$200

Find similar

Alaska Airlines flights from Tucson to Ontario

Our best Alaska Airlines deals on Tucson to Ontario flight tickets

Alaska Airlines

Jan 7

TUS4:29 pmTucson

23h 39m

1 stop

ONT3:08 pmOntario

Jan 14

ONT11:53 amOntario

11h 06m

1 stop

TUS11:59 pmTucson

$246

Find similar

Alaska Airlines

Jan 11

TUS6:00 amTucson

18h 56m

1 stop

ONT11:56 pmOntario

Jan 17

ONT4:03 pmOntario

22h 27m

1 stop

TUS3:30 pmTucson

$266

Find similar

Alaska Airlines

Jan 17

TUS6:00 amTucson

15h 36m

1 stop

ONT8:36 pmOntario

Jan 18

ONT6:00 amOntario

16h 59m

1 stop

TUS11:59 pmTucson

$267

Find similar

Fly from

Fly to

Route

Depart

Return

Price

TucsonOntario

TUS - ONT

TUSONT

Tucson

Mon 12/22

12:50 pm-11:59 pm

1 stop12h 09m

Ontario

Tue 12/30

8:19 am-5:30 pm

1 stop8h 11m

$169

TucsonOntario

TUS - ONT

TUSONT

Tucson

Mon 12/22

12:50 pm-11:59 pm

1 stop12h 09m

Ontario

Mon 12/29

6:00 pm-6:35 pm

1 stop23h 35m

$196

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 12/5

12:30 pm-2:25 pm

1 stop26h 55m

Ontario

Mon 12/8

6:15 am-6:41 pm

1 stop11h 26m

$200

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 12/5

12:30 pm-2:25 pm

1 stop26h 55m

Ontario

Sun 12/7

5:18 pm-6:41 pm

1 stop24h 23m

$225

TucsonOntario

TUS - ONT

TUSONT

Tucson

Mon 1/5

12:50 pm-11:59 pm

1 stop12h 09m

Ontario

Fri 1/16

6:10 am-12:37 pm

1 stop5h 27m

$236

TucsonOntario

TUS - ONT

TUSONT

Tucson

Wed 1/7

4:29 pm-3:08 pm

1 stop23h 39m

Ontario

Wed 1/14

11:53 am-11:59 pm

1 stop11h 06m

$246

TucsonOntario

TUS - ONT

TUSONT

Tucson

Tue 12/9

9:41 am-12:00 pm

1 stop3h 19m

Ontario

Tue 12/9

4:47 pm-9:04 pm

1 stop3h 17m

$257

TucsonOntario

TUS - ONT

TUSONT

Tucson

Sun 1/11

6:00 am-11:56 pm

1 stop18h 56m

Ontario

Sat 1/17

4:03 pm-3:30 pm

1 stop22h 27m

$266

TucsonOntario

TUS - ONT

TUSONT

Tucson

Sat 1/17

6:00 am-8:36 pm

1 stop15h 36m

Ontario

Sun 1/18

6:00 am-11:59 pm

1 stop16h 59m

$267

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 1/16

1:32 pm-11:59 pm

1 stop11h 27m

Ontario

Sun 1/18

7:56 pm-8:53 am

1 stop11h 57m

$271

Flights are sorted by cheapest round-trip flights first.

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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 November 2025, prices for Tucson to Ontario flights are approximately 85% more expensive 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	5h 16m
Direct flights	None

The fastest flight from Tucson to Ontario takes 5h 16m

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 05m 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 November 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 86% of the total bookings. Other popular airlines include Frontier with 14%.

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 3,097 reviews		Search Frontier flights
American Airlines	PriceFrom $243	Free Cancellation	Rating 7.2 11,039 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.