What airlines fly to Ontario?

American Airlines, Southwest and Delta 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 38% 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?

Southwest, Delta, and United Airlines are the most popular carriers 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 October 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.

$126 Cheap Flights from Tucson to Ontario in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Tucson to Los Angeles

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:40 pm - 11:40 pmTUS Tucson-ONT Ontario

4h 00m1 stop Las Vegas Harry Reid Intl

5:00 pm - 9:55 pmONT Ontario-TUS Tucson

3h 55m1 stop Las Vegas Harry Reid Intl

$268Southwest

Thu, Dec 17 - Fri, Jan 1

6:05 am - 9:45 amTUS Tucson-ONT Ontario

4h 40m1 stop Las Vegas Harry Reid Intl

5:20 pm - 11:50 pmONT Ontario-TUS Tucson

5h 30m1 stop Phoenix Sky Harbor Intl

$268Southwest

Thu, Nov 19 - Sun, Nov 22

5:55 am - 8:00 amTUS Tucson-ONT Ontario

3h 05m1 stop Phoenix Sky Harbor Intl

4:00 pm - 10:55 pmONT Ontario-TUS Tucson

5h 55m1 stop Las Vegas Harry Reid Intl

$268Southwest

Sun, Nov 22 - Mon, Nov 23

5:55 am - 8:00 amTUS Tucson-ONT Ontario

3h 05m1 stop Phoenix Sky Harbor Intl

4:25 pm - 10:55 pmONT Ontario-TUS Tucson

5h 30m2 stops Sacramento Intl Las Vegas Harry Reid Intl

$273Southwest

Sun, Nov 22 - Mon, Nov 23

5:53 pm - 11:57 pmTUS Tucson-ONT Ontario

7h 04m1 stop Salt Lake City

6:00 am - 11:37 amONT Ontario-TUS Tucson

4h 37m1 stop Salt Lake City

$301Delta

Tue, Dec 1 - Sun, Dec 6

7:47 pm - 10:09 pmTUS Tucson-ONT Ontario

3h 22m1 stop Phoenix Sky Harbor Intl

6:34 am - 10:54 amONT Ontario-TUS Tucson

3h 20m1 stop Phoenix Sky Harbor Intl

$328American Airlines

Thu, Nov 12 - Sun, Nov 15

7:47 pm - 10:09 pmTUS Tucson-ONT Ontario

3h 22m1 stop Phoenix Sky Harbor Intl

6:34 am - 10:54 amONT Ontario-TUS Tucson

3h 20m1 stop Phoenix Sky Harbor Intl

$329American Airlines

Thu, Nov 12 - Sun, Nov 15

6:30 am - 12:34 pmTUS Tucson-ONT Ontario

7h 04m1 stop Denver Intl

6:00 am - 11:37 amONT Ontario-TUS Tucson

4h 37m1 stop San Francisco

$341United Airlines

Tue, Dec 8 - Wed, Dec 9

2:41 pm - 9:11 pmTUS Tucson-ONT Ontario

7h 30m1 stop Denver Intl

1:40 pm - 9:30 pmONT Ontario-TUS Tucson

6h 50m1 stop Denver Intl

$341United Airlines

Tue, Dec 8 - Wed, Dec 9

5:55 pm - 9:57 pmTUS Tucson-ONT Ontario

5h 02m1 stop Phoenix Sky Harbor Intl

9:35 am - 2:12 pmONT Ontario-TUS Tucson

3h 37m1 stop Phoenix Sky Harbor Intl

$343American Airlines

Thu, Dec 17 - Fri, Jan 1

Cheap last minute flights

Enter your travel dates to find the best prices.

12:14 pm - 8:15 pmTUS Tucson-ONT Ontario

8h 01m1 stop San Francisco

5:00 am - 1:24 pmONT Ontario-TUS Tucson

7h 24m1 stop Denver Intl

$726United Airlines

Thu, Oct 29 - Mon, Nov 2

5:30 am - 12:30 pmTUS Tucson-ONT Ontario

7h 00m1 stop Denver Intl

4:17 pm - 9:59 pmONT Ontario-TUS Tucson

4h 42m1 stop San Francisco

$733United Airlines

Thu, Oct 29 - Sun, Nov 1

4:30 pm - 11:55 pmTUS Tucson-ONT Ontario

7h 25m1 stop Salt Lake City

6:00 am - 10:24 amONT Ontario-TUS Tucson

4h 24m1 stop Salt Lake City

$733Delta

Sun, Oct 25 - Tue, Oct 27

11:16 am - 4:23 pmTUS Tucson-ONT Ontario

5h 07m1 stop Salt Lake City

5:03 pm - 9:37 pmONT Ontario-TUS Tucson

4h 34m1 stop Salt Lake City

$733Delta

Tue, Oct 27 - Thu, Oct 29

12:14 pm - 8:15 pmTUS Tucson-ONT Ontario

8h 01m1 stop San Francisco

1:35 pm - 9:59 pmONT Ontario-TUS Tucson

7h 24m1 stop San Francisco

$733United Airlines

Wed, Oct 28 - Sun, Nov 1

11:00 am - 6:35 pmTUS Tucson-ONT Ontario

7h 35m2 stops Las Vegas Harry Reid Intl Oakland

1:30 pm - 4:35 pmONT Ontario-TUS Tucson

3h 05m1 stop Las Vegas Harry Reid Intl

$738Southwest

Tue, Oct 27 - Thu, Oct 29

5:40 am - 12:00 pmTUS Tucson-ONT Ontario

6h 20m2 stops Las Vegas Harry Reid Intl Sacramento Intl

1:05 pm - 7:25 pmONT Ontario-TUS Tucson

6h 20m2 stops Phoenix Sky Harbor Intl Las Vegas Harry Reid Intl

$743Southwest

Tue, Oct 27 - Thu, Oct 29

8:42 am - 12:14 pmTUS Tucson-ONT Ontario

3h 32m1 stop Phoenix Sky Harbor Intl

1:05 pm - 4:45 pmONT Ontario-TUS Tucson

3h 40m1 stop Phoenix Sky Harbor Intl

$787American Airlines

Sun, Oct 25 - Wed, Oct 28

6:45 am - 2:05 pmTUS Tucson-ONT Ontario

7h 20m1 stop Denver Intl

10:55 am - 4:50 pmONT Ontario-TUS Tucson

5h 55m2 stops Sacramento Intl Las Vegas Harry Reid Intl

$792Southwest

Sun, Oct 25 - Wed, Oct 28

7:10 pm - 11:45 pmTUS Tucson-ONT Ontario

4h 35m2 stops Phoenix Sky Harbor Intl Las Vegas Harry Reid Intl

10:15 am - 4:50 pmONT Ontario-TUS Tucson

6h 35m2 stops Oakland Las Vegas Harry Reid Intl

$797Southwest

Sun, Oct 25 - Wed, Oct 28

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United Airlines flights from Tucson to Ontario

Our best United Airlines deals on Tucson to Ontario flight tickets

United Airlines

Dec 8

TUS2:41 pmTucson

7h 30m

1 stop

ONT9:11 pmOntario

Dec 9

ONT11:20 amOntario

7h 18m

1 stop

TUS7:38 pmTucson

$341

United Airlines

Jan 8

TUS1:45 pmTucson

7h 40m

1 stop

ONT8:25 pmOntario

Jan 11

ONT6:00 amOntario

4h 28m

1 stop

TUS11:28 amTucson

$374

United Airlines

Dec 16

TUS4:18 pmTucson

5h 53m

1 stop

ONT9:11 pmOntario

Jan 12

ONT5:00 amOntario

5h 56m

1 stop

TUS11:56 amTucson

$390

Alaska Airlines flights from Tucson to Ontario

Our best Alaska Airlines deals on Tucson to Ontario flight tickets

Alaska Airlines

Oct 28

TUS7:24 amTucson

10h 36m

1 stop

ONT6:00 pmOntario

Nov 4

ONT10:40 amOntario

12h 19m

2 stops

TUS11:59 pmTucson

$1,263

Alaska Airlines

Oct 27

TUS7:24 amTucson

10h 36m

1 stop

ONT6:00 pmOntario

Oct 29

ONT5:30 pmOntario

21h 26m

2 stops

TUS2:56 pmTucson

$1,267

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Thu 12/17

8:40 pm-11:40 pm

1 stop4h 00m

Ontario

Fri 1/1

5:00 pm-9:55 pm

1 stop3h 55m

$268

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Thu 11/19

6:05 am-9:45 am

1 stop4h 40m

Ontario

Sun 11/22

5:20 pm-11:50 pm

1 stop5h 30m

$268

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Sun 11/22

5:55 am-8:00 am

1 stop3h 05m

Ontario

Mon 11/23

4:00 pm-10:55 pm

1 stop5h 55m

$268

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Sun 11/22

5:55 am-8:00 am

1 stop3h 05m

Ontario

Mon 11/23

4:25 pm-10:55 pm

2 stops5h 30m

$273

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Tue 12/1

5:53 pm-11:57 pm

1 stop7h 04m

Ontario

Sun 12/6

6:00 am-11:37 am

1 stop4h 37m

$301

Quickest round-trip

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Thu 11/12

7:47 pm-10:09 pm

1 stop3h 22m

Ontario

Sun 11/15

6:34 am-10:54 am

1 stop3h 20m

$328

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Thu 11/12

7:47 pm-10:09 pm

1 stop3h 22m

Ontario

Sun 11/15

6:34 am-10:54 am

1 stop3h 20m

$329

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Tue 12/8

6:30 am-12:34 pm

1 stop7h 04m

Ontario

Wed 12/9

6:00 am-11:37 am

1 stop4h 37m

$341

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Tue 12/8

2:41 pm-9:11 pm

1 stop7h 30m

Ontario

Wed 12/9

1:40 pm-9:30 pm

1 stop6h 50m

$341

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Thu 12/17

5:55 pm-9:57 pm

1 stop5h 02m

Ontario

Fri 1/1

9:35 am-2:12 pm

1 stop3h 37m

$343

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 typical price of a round-trip flight between Tucson and Ontario?

Prices are currently typical for flights on this route.

Typical prices usually range from $214 to $490.
The lowest price recently found on this route was $268.

What is the cheapest month to fly to Ontario?

In general, October 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 $238. If you aren’t able to travel during the month of October, then book flights to Ontario from Tucson during December instead. Flights to Ontario in December, while not as cheap as those in October, still average around $306.

How have Tucson to Ontario flight prices changed over time?

As of October 2026, prices for Tucson to Ontario flights are approximately 19% 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

Best Price Found	$126
Fastest flight time	4h 42m
Direct flights	None

The best one-way flight to Ontario from Tucson in the past 72 hours is $126. The best round-trip flight deal from Tucson to Ontario found on momondo in the last 72 hours is $268.

The fastest flight from Tucson to Ontario takes 4h 42m

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

Search flight deals

Frequently asked questions about flying from Tucson to Ontario

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 42m 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 October 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 55% of the total bookings. Other popular airlines include Southwest with 45%.

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
Southwest	PriceFrom $238	Free Cancellation	Rating 7.9 4,210 reviews		Search Southwest flights
American Airlines	PriceFrom $306	Free Cancellation	Rating 7.0 12,189 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.

An easier way to manage your Ontario trip

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Cheap flights from Tucson to Los Angeles from $126

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Tucson to Los Angeles departing on 11/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Tucson to Ontario

Our best United Airlines deals on Tucson to Ontario flight tickets

Alaska Airlines flights from Tucson to Ontario

Our best Alaska Airlines deals on Tucson to Ontario flight tickets

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How to get the cheapest flight ticket from Tucson to Ontario

What is the typical price of a round-trip flight between Tucson and Ontario?

What is the cheapest month to fly to Ontario?

How have Tucson to Ontario flight prices changed over time?

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

What airlines fly to Ontario?

When to book flights from Tucson to Ontario

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Tucson to Ontario

Best airlines flying from Tucson to Ontario

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

Why use momondo?

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California

Fly your favorite airline to Los Angeles

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in Los Angeles. Availability may vary depending on flight origin and airline.

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