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 39% 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?

Delta, Southwest, 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 August 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.

$139 Cheap Flights from Tucson to Ontario in 2026

Discover deals from 900+ travel sites with momondo.

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.

9:35 am - 3:15 pmTUS Tucson-ONT Ontario

5h 40m1 stop Las Vegas Harry Reid Intl

5:45 pm - 10:25 pmONT Ontario-TUS Tucson

4h 40m1 stop Las Vegas Harry Reid Intl

$277Southwest

Sat, Sep 19 - Mon, Sep 21

5:35 am - 9:20 amTUS Tucson-ONT Ontario

3h 45m1 stop Phoenix Sky Harbor Intl

5:40 am - 9:15 amONT Ontario-TUS Tucson

3h 35m1 stop Las Vegas Harry Reid Intl

$277Southwest

Thu, Sep 17 - Mon, Sep 21

11:53 am - 3:16 pmTUS Tucson-ONT Ontario

3h 23m1 stop Phoenix Sky Harbor Intl

9:41 am - 1:58 pmONT Ontario-TUS Tucson

4h 17m1 stop Phoenix Sky Harbor Intl

$277American Airlines

Wed, Oct 14 - Tue, Oct 27

3:05 pm - 6:15 pmTUS Tucson-ONT Ontario

3h 10m1 stop Phoenix Sky Harbor Intl

6:15 am - 9:41 amONT Ontario-TUS Tucson

3h 26m1 stop Phoenix Sky Harbor Intl

$277American Airlines

Sat, Sep 5 - Mon, Sep 7

7:12 am - 12:16 pmTUS Tucson-ONT Ontario

5h 04m1 stop Salt Lake City

6:00 am - 10:30 amONT Ontario-TUS Tucson

4h 30m1 stop Salt Lake City

$277Delta

Sat, Sep 5 - Sun, Sep 6

5:55 pm - 11:58 pmTUS Tucson-ONT Ontario

7h 03m1 stop Salt Lake City

5:11 pm - 10:39 pmONT Ontario-TUS Tucson

4h 28m1 stop Salt Lake City

$277Delta

Wed, Dec 2 - Mon, Dec 7

3:05 pm - 6:15 pmTUS Tucson-ONT Ontario

3h 10m1 stop Phoenix Sky Harbor Intl

10:00 am - 2:34 pmONT Ontario-TUS Tucson

4h 34m1 stop Phoenix Sky Harbor Intl

$277American Airlines

Sat, Sep 5 - Sun, Sep 6

5:35 am - 9:20 amTUS Tucson-ONT Ontario

3h 45m1 stop Phoenix Sky Harbor Intl

2:10 pm - 8:30 pmONT Ontario-TUS Tucson

6h 20m1 stop Las Vegas Harry Reid Intl

$277Southwest

Thu, Sep 17 - Tue, Sep 22

5:55 pm - 11:58 pmTUS Tucson-ONT Ontario

7h 03m1 stop Salt Lake City

5:11 pm - 10:58 pmONT Ontario-TUS Tucson

4h 47m1 stop Salt Lake City

$277Delta

Thu, Dec 3 - Sat, Dec 12

6:05 pm - 10:15 pmTUS Tucson-ONT Ontario

4h 10m1 stop Las Vegas Harry Reid Intl

4:15 pm - 9:05 pmONT Ontario-TUS Tucson

4h 50m1 stop Las Vegas Harry Reid Intl

$277Southwest

Thu, Oct 1 - Tue, Oct 6

Cheap last minute flights

Enter your travel dates to find the best prices.

3:19 pm - 10:59 pmTUS Tucson-ONT Ontario

7h 40m1 stop San Francisco

5:00 am - 12:27 pmONT Ontario-TUS Tucson

7h 27m1 stop Denver Intl

$520United Airlines

Mon, Aug 24 - Fri, Sep 11

7:02 am - 12:12 pmTUS Tucson-ONT Ontario

5h 10m1 stop San Francisco

5:00 am - 12:27 pmONT Ontario-TUS Tucson

7h 27m1 stop Denver Intl

$693United Airlines

Sat, Aug 22 - Sun, Aug 23

12:30 pm - 8:10 pmTUS Tucson-ONT Ontario

7h 40m1 stop San Francisco

8:00 am - 12:29 pmONT Ontario-TUS Tucson

4h 29m1 stop San Francisco

$693United Airlines

Sun, Aug 23 - Sat, Aug 29

11:55 am - 3:05 pmTUS Tucson-ONT Ontario

3h 10m1 stop Phoenix Sky Harbor Intl

6:40 am - 9:50 amONT Ontario-TUS Tucson

3h 10m1 stop Las Vegas Harry Reid Intl

$742Southwest

Fri, Aug 21 - Sun, Aug 23

3:19 pm - 8:01 pmTUS Tucson-ONT Ontario

4h 42m1 stop San Francisco

1:18 pm - 8:30 pmONT Ontario-TUS Tucson

7h 12m1 stop Denver Intl

$747United Airlines

Mon, Aug 24 - Wed, Aug 26

3:45 pm - 9:25 pmTUS Tucson-ONT Ontario

5h 40m2 stops Los Angeles San Jose

6:40 am - 9:50 amONT Ontario-TUS Tucson

3h 10m1 stop Las Vegas Harry Reid Intl

$748Southwest

Fri, Aug 21 - Sun, Aug 23

5:10 am - 12:10 pmTUS Tucson-ONT Ontario

7h 00m2 stops Las Vegas Harry Reid Intl San Jose

10:05 am - 4:30 pmONT Ontario-TUS Tucson

6h 25m2 stops Phoenix Sky Harbor Intl San Diego

$757Southwest

Fri, Aug 21 - Sun, Aug 23

11:55 am - 3:05 pmTUS Tucson-ONT Ontario

3h 10m1 stop Phoenix Sky Harbor Intl

6:40 am - 9:50 amONT Ontario-TUS Tucson

3h 10m1 stop Las Vegas Harry Reid Intl

$796Southwest

Fri, Aug 21 - Sun, Aug 23

3:05 pm - 6:15 pmTUS Tucson-ONT Ontario

3h 10m1 stop Phoenix Sky Harbor Intl

6:15 am - 9:41 amONT Ontario-TUS Tucson

3h 26m1 stop Phoenix Sky Harbor Intl

$801American Airlines

Fri, Aug 21 - Sun, Aug 23

7:41 am - 6:15 pmTUS Tucson-ONT Ontario

10h 34m2 stops Los Angeles Phoenix Sky Harbor Intl

12:59 pm - 4:49 pmONT Ontario-TUS Tucson

3h 50m1 stop Phoenix Sky Harbor Intl

$995American Airlines

Fri, Aug 21 - Sun, Aug 23

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Delta flights from Tucson to Ontario

Our best Delta deals on Tucson to Ontario flight tickets

Delta

Dec 2

TUS5:55 pmTucson

7h 03m

1 stop

ONT11:58 pmOntario

Dec 7

ONT5:11 pmOntario

4h 28m

1 stop

TUS10:39 pmTucson

$277

Delta

Sep 12

TUS4:42 pmTucson

5h 22m

1 stop

ONT10:04 pmOntario

Sep 19

ONT5:15 pmOntario

4h 25m

1 stop

TUS9:40 pmTucson

$427

Delta

Sep 25

TUS4:31 pmTucson

7h 16m

1 stop

ONT11:47 pmOntario

Sep 27

ONT6:00 amOntario

4h 30m

1 stop

TUS10:30 amTucson

$445

Southwest flights from Tucson to Ontario

Our best Southwest deals on Tucson to Ontario flight tickets

Southwest

Sep 17

TUS5:10 amTucson

6h 15m

1 stop

ONT11:25 amOntario

Sep 22

ONT1:10 pmOntario

6h 00m

2 stops

TUS7:10 pmTucson

$282

Southwest

Oct 1

TUS6:40 pmTucson

5h 10m

2 stops

ONT11:50 pmOntario

Oct 6

ONT4:15 pmOntario

5h 45m

2 stops

TUS10:00 pmTucson

$287

Southwest

Oct 2

TUS6:05 pmTucson

5h 50m

1 stop

ONT11:55 pmOntario

Oct 6

ONT5:00 pmOntario

5h 00m

1 stop

TUS10:00 pmTucson

$290

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Sat 9/19

9:35 am-3:15 pm

1 stop5h 40m

Ontario

Mon 9/21

5:45 pm-10:25 pm

1 stop4h 40m

$277

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Thu 9/17

5:35 am-9:20 am

1 stop3h 45m

Ontario

Mon 9/21

5:40 am-9:15 am

1 stop3h 35m

$277

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Wed 10/14

11:53 am-3:16 pm

1 stop3h 23m

Ontario

Tue 10/27

9:41 am-1:58 pm

1 stop4h 17m

$277

Quickest round-trip

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Sat 9/5

3:05 pm-6:15 pm

1 stop3h 10m

Ontario

Mon 9/7

6:15 am-9:41 am

1 stop3h 26m

$277

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Sat 9/5

7:12 am-12:16 pm

1 stop5h 04m

Ontario

Sun 9/6

6:00 am-10:30 am

1 stop4h 30m

$277

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Wed 12/2

5:55 pm-11:58 pm

1 stop7h 03m

Ontario

Mon 12/7

5:11 pm-10:39 pm

1 stop4h 28m

$277

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Sat 9/5

3:05 pm-6:15 pm

1 stop3h 10m

Ontario

Sun 9/6

10:00 am-2:34 pm

1 stop4h 34m

$277

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Thu 9/17

5:35 am-9:20 am

1 stop3h 45m

Ontario

Tue 9/22

2:10 pm-8:30 pm

1 stop6h 20m

$277

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Thu 12/3

5:55 pm-11:58 pm

1 stop7h 03m

Ontario

Sat 12/12

5:11 pm-10:58 pm

1 stop4h 47m

$277

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Thu 10/1

6:05 pm-10:15 pm

1 stop4h 10m

Ontario

Tue 10/6

4:15 pm-9:05 pm

1 stop4h 50m

$277

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 $151. If you aren’t able to travel during the month of September, then book flights to Ontario from Tucson during December instead. Flights to Ontario in December, while not as cheap as those in September, still average around $306.

How have Tucson to Ontario flight prices changed over time?

As of August 2026, prices for Tucson to Ontario flights are approximately 49% 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

Best Price Found	$139
Fastest flight time	3h 10m
Direct flights	None

The best one-way flight to Ontario from Tucson in the past 72 hours is $139. The best round-trip flight deal from Tucson to Ontario found on momondo in the last 72 hours is $277.

The fastest flight from Tucson to Ontario takes 3h 10m

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 3h 10m 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 August 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 70% of the total bookings. Other popular airlines include Southwest with 30%.

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 $290	Free Cancellation	Rating 8.0 4,215 reviews		Search Southwest flights
American Airlines	PriceFrom $290	Free Cancellation	Rating 7.1 11,974 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

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Sun 9/20

Sun 9/27

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Nearby airports

Airlines

Cabin classes

Other United States destinations

Other flights from Tucson

Complete your trip

Feeling lucky

Cheap flights from Tucson to Los Angeles from $139

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 9/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Tucson to Los Angeles

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Delta flights from Tucson to Ontario

Our best Delta deals on Tucson to Ontario flight tickets

Southwest flights from Tucson to Ontario

Our best Southwest deals on Tucson to Ontario flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Tucson to Ontario that are best for you.

See travel insights to Los Angeles from

How to get the cheapest flight ticket from Tucson to 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

Cabin classes currently available on flights to Los Angeles

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

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Tucson

According to popular flight searches on momondo this year

Complete your trip to Los Angeles

Explore popular destinations other users love

According to popular flight searches on momondo this year