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 January 2026.

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.

$63 Cheap Flights from Tucson to Ontario in 2026

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Find the cheapest flights from Tucson to Los Angeles

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:50 pm - 1:34 pm

TUS

ONT

17h 44m

1 stop

8:09 pm - 1:23 pm

ONT

TUS

16h 14m

1 stop

$154Frontier

Fri, Feb 6 - Sat, Feb 14

11:52 am - 11:59 pm

TUS

ONT

13h 07m

1 stop

3:24 pm - 12:38 pm

ONT

TUS

20h 14m

1 stop

$192Frontier

Mon, Feb 23 - Thu, Feb 26

1:20 pm - 6:27 pm

TUS

ONT

6h 07m

1 stop

8:44 am - 8:25 pm

ONT

TUS

10h 41m

1 stop

$195Frontier

Thu, Feb 19 - Sun, Feb 22

8:50 pm - 11:24 pm

TUS

ONT

27h 34m

2 stops

8:09 pm - 1:23 pm

ONT

TUS

16h 14m

1 stop

$207Frontier

Fri, Feb 6 - Sat, Feb 14

1:20 pm - 6:27 pm

TUS

ONT

6h 07m

1 stop

8:44 am - 8:25 pm

ONT

TUS

10h 41m

1 stop

$239Frontier

Thu, Feb 12 - Sun, Feb 15

11:52 am - 11:59 pm

TUS

ONT

13h 07m

1 stop

8:44 am - 8:25 pm

ONT

TUS

10h 41m

1 stop

$242Frontier

Fri, Feb 20 - Sun, Feb 22

1:20 pm - 6:27 pm

TUS

ONT

6h 07m

1 stop

6:15 am - 1:48 pm

ONT

TUS

7h 33m

1 stop

$248Frontier

Thu, Mar 5 - Sun, Mar 8

1:20 pm - 7:22 am

TUS

ONT

19h 02m

1 stop

2:06 pm - 11:07 am

ONT

TUS

20h 01m

2 stops

$254Frontier

Thu, Feb 19 - Sun, Feb 22

11:31 am - 4:22 pm

TUS

ONT

5h 51m

1 stop

6:15 am - 11:01 am

ONT

TUS

3h 46m

1 stop

$255American Airlines

Sat, Feb 14 - Tue, Feb 17

12:53 pm - 4:22 pm

TUS

ONT

4h 29m

1 stop

6:15 am - 11:01 am

ONT

TUS

3h 46m

1 stop

$266American Airlines

Fri, Feb 20 - Sat, Feb 21

Frontier flights from Tucson to Ontario

Our best Frontier deals on Tucson to Ontario flight tickets

Frontier

Feb 6

TUS8:50 pmTucson

17h 44m

1 stop

ONT1:34 pmOntario

Feb 14

ONT8:09 pmOntario

16h 14m

1 stop

TUS1:23 pmTucson

$154

Frontier

Feb 23

TUS11:52 amTucson

13h 07m

1 stop

ONT11:59 pmOntario

Feb 26

ONT3:24 pmOntario

20h 14m

1 stop

TUS12:38 pmTucson

$192

Frontier

Feb 19

TUS1:20 pmTucson

6h 07m

1 stop

ONT6:27 pmOntario

Feb 22

ONT8:44 amOntario

10h 41m

1 stop

TUS8:25 pmTucson

$195

American Airlines flights from Tucson to Ontario

Our best American Airlines deals on Tucson to Ontario flight tickets

American Airlines

Feb 14

TUS11:31 amTucson

5h 51m

1 stop

ONT4:22 pmOntario

Feb 17

ONT6:15 amOntario

3h 46m

1 stop

TUS11:01 amTucson

$255

American Airlines

Feb 20

TUS12:53 pmTucson

4h 29m

1 stop

ONT4:22 pmOntario

Feb 21

ONT6:15 amOntario

3h 46m

1 stop

TUS11:01 amTucson

$266

American Airlines

Feb 21

TUS4:03 pmTucson

4h 06m

1 stop

ONT7:09 pmOntario

Feb 22

ONT5:02 pmOntario

3h 00m

1 stop

TUS9:02 pmTucson

$276

Fly from

Fly to

Route

Depart

Return

Price

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 2/6

8:50 pm-1:34 pm

1 stop17h 44m

Ontario

Sat 2/14

8:09 pm-1:23 pm

1 stop16h 14m

$154

TucsonOntario

TUS - ONT

TUSONT

Tucson

Mon 2/23

11:52 am-11:59 pm

1 stop13h 07m

Ontario

Thu 2/26

3:24 pm-12:38 pm

1 stop20h 14m

$192

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 2/19

1:20 pm-6:27 pm

1 stop6h 07m

Ontario

Sun 2/22

8:44 am-8:25 pm

1 stop10h 41m

$195

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 2/6

8:50 pm-11:24 pm

2 stops27h 34m

Ontario

Sat 2/14

8:09 pm-1:23 pm

1 stop16h 14m

$207

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 2/12

1:20 pm-6:27 pm

1 stop6h 07m

Ontario

Sun 2/15

8:44 am-8:25 pm

1 stop10h 41m

$239

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 2/20

11:52 am-11:59 pm

1 stop13h 07m

Ontario

Sun 2/22

8:44 am-8:25 pm

1 stop10h 41m

$242

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 3/5

1:20 pm-6:27 pm

1 stop6h 07m

Ontario

Sun 3/8

6:15 am-1:48 pm

1 stop7h 33m

$248

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 2/19

1:20 pm-7:22 am

1 stop19h 02m

Ontario

Sun 2/22

2:06 pm-11:07 am

2 stops20h 01m

$254

TucsonOntario

TUS - ONT

TUSONT

Tucson

Sat 2/14

11:31 am-4:22 pm

1 stop5h 51m

Ontario

Tue 2/17

6:15 am-11:01 am

1 stop3h 46m

$255

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 2/20

12:53 pm-4:22 pm

1 stop4h 29m

Ontario

Sat 2/21

6:15 am-11:01 am

1 stop3h 46m

$266

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.

How have Tucson to Ontario flight prices changed over time?

As of January 2026, prices for Tucson to Ontario flights are approximately 168% 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	4h 44m
Direct flights	None

The fastest flight from Tucson to Ontario takes 4h 44m

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 4h 44m 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 January 2026.
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 $69	Free Cancellation	Rating 5.7 3,057 reviews		Search Frontier flights
American Airlines	PriceFrom $243	Free Cancellation	Rating 7.2 11,155 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.