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

Delta, United Airlines, and Southwest are the most popular carriers operating from Tucson to Ontario

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.

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

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11:16 am - 4:35 pmTUS Tucson-ONT Ontario

5h 19m1 stop Salt Lake City

5:15 pm - 9:40 pmONT Ontario-TUS Tucson

4h 25m1 stop Salt Lake City

$277Delta

Thu, Sep 10 - Sat, Sep 12

11:16 am - 4:35 pmTUS Tucson-ONT Ontario

5h 19m1 stop Salt Lake City

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

4h 30m1 stop Salt Lake City

$277Delta

Wed, Sep 9 - Sat, Sep 12

11:20 am - 4:24 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 - Wed, Sep 9

4:50 pm - 10:23 pmTUS Tucson-ONT Ontario

5h 33m1 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

10:40 am - 3:15 pmTUS Tucson-ONT Ontario

4h 35m1 stop Phoenix Sky Harbor Intl

1:10 pm - 7:10 pmONT Ontario-TUS Tucson

6h 00m2 stops Phoenix Sky Harbor Intl San Diego

$282Southwest

Sat, Sep 5 - Wed, Sep 9

6:05 pm - 11:55 pmTUS Tucson-ONT Ontario

5h 50m1 stop Las Vegas Harry Reid Intl

5:00 pm - 10:00 pmONT Ontario-TUS Tucson

5h 00m1 stop Phoenix Sky Harbor Intl

$290Southwest

Fri, Oct 2 - Tue, Oct 6

12:00 pm - 9:20 pmTUS Tucson-ONT Ontario

9h 20m2 stops Denver Intl Phoenix Sky Harbor Intl

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

4h 50m1 stop Las Vegas Harry Reid Intl

$295Southwest

Fri, Oct 2 - Tue, Oct 6

3:15 pm - 6:43 pmTUS Tucson-ONT Ontario

3h 28m1 stop Phoenix Sky Harbor Intl

9:41 am - 2:45 pmONT Ontario-TUS Tucson

5h 04m1 stop Phoenix Sky Harbor Intl

$315American Airlines

Sat, Oct 10 - Tue, Oct 13

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

3h 23m1 stop Phoenix Sky Harbor Intl

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

3h 40m1 stop Phoenix Sky Harbor Intl

$315American Airlines

Wed, Oct 7 - Wed, Oct 14

3:01 pm - 6:17 pmTUS Tucson-ONT Ontario

3h 16m1 stop Phoenix Sky Harbor Intl

6:15 am - 9:39 amONT Ontario-TUS Tucson

3h 24m1 stop Phoenix Sky Harbor Intl

$351American Airlines

Sat, Sep 12 - Sun, Sep 13

Cheap last minute flights

Enter your travel dates to find the best prices.

12:30 pm - 6:11 pmTUS Tucson-ONT Ontario

5h 41m1 stop San Francisco

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

7h 12m1 stop Denver Intl

$520United Airlines

Sun, Aug 30 - Sat, Sep 5

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

5h 10m1 stop San Francisco

1:56 pm - 9:10 pmONT Ontario-TUS Tucson

7h 14m1 stop San Francisco

$520United Airlines

Sat, Aug 29 - Wed, Sep 9

12:30 pm - 8:01 pmTUS Tucson-ONT Ontario

7h 31m1 stop San Francisco

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

7h 27m1 stop Denver Intl

$520United Airlines

Sun, Aug 30 - Sun, Sep 6

12:30 pm - 8:01 pmTUS Tucson-ONT Ontario

7h 31m1 stop San Francisco

1:56 pm - 6:49 pmONT Ontario-TUS Tucson

4h 53m1 stop San Francisco

$520United Airlines

Sat, Aug 29 - Sat, Sep 5

6:30 pm - 9:55 pmTUS Tucson-ONT Ontario

3h 25m1 stop Phoenix Sky Harbor Intl

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

3h 26m1 stop Phoenix Sky Harbor Intl

$642American Airlines

Sun, Aug 30 - Mon, Sep 7

1:38 pm - 6:15 pmTUS Tucson-ONT Ontario

4h 37m1 stop Phoenix Sky Harbor Intl

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

3h 26m1 stop Phoenix Sky Harbor Intl

$642American Airlines

Sat, Aug 29 - Mon, Sep 7

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

3h 10m1 stop Phoenix Sky Harbor Intl

6:15 am - 11:13 amONT Ontario-TUS Tucson

4h 58m1 stop Phoenix Sky Harbor Intl

$642American Airlines

Mon, Aug 31 - Mon, Sep 7

6:30 am - 11:45 amTUS Tucson-ONT Ontario

5h 15m2 stops Phoenix Sky Harbor Intl Las Vegas Harry Reid Intl

2:00 pm - 10:00 pmONT Ontario-TUS Tucson

8h 00m1 stop Denver Intl

$698Southwest

Sun, Aug 30 - Thu, Sep 3

6:30 am - 11:45 amTUS Tucson-ONT Ontario

5h 15m2 stops Phoenix Sky Harbor Intl Las Vegas Harry Reid Intl

5:40 am - 11:05 amONT Ontario-TUS Tucson

5h 25m2 stops Las Vegas Harry Reid Intl San Diego

$703Southwest

Sun, Aug 30 - Thu, Sep 3

6:15 am - 11:15 amTUS Tucson-ONT Ontario

5h 00m1 stop Phoenix Sky Harbor Intl

2:00 pm - 9:55 pmONT Ontario-TUS Tucson

7h 55m1 stop Denver Intl

$801Southwest

Sat, Aug 29 - Mon, Aug 31

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Alaska Airlines flights from Tucson to Ontario

Our best Alaska Airlines deals on Tucson to Ontario flight tickets

Alaska Airlines

Oct 21

TUS7:24 amTucson

12h 51m

2 stops

ONT8:15 pmOntario

Oct 31

ONT11:29 amOntario

9h 01m

1 stop

TUS8:30 pmTucson

$498

Alaska Airlines

Sep 5

TUS7:00 amTucson

13h 24m

2 stops

ONT8:24 pmOntario

Sep 6

ONT7:12 amOntario

14h 12m

2 stops

TUS9:24 pmTucson

$851

Alaska Airlines

Sep 5

TUS7:00 amTucson

7h 09m

1 stop

ONT2:09 pmOntario

Sep 5

ONT4:50 pmOntario

21h 15m

2 stops

TUS2:05 pmTucson

$870

Southwest flights from Tucson to Ontario

Our best Southwest deals on Tucson to Ontario flight tickets

Southwest

Sep 5

TUS10:40 amTucson

4h 35m

1 stop

ONT3:15 pmOntario

Sep 9

ONT1:10 pmOntario

6h 00m

2 stops

TUS7:10 pmTucson

$282

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

Southwest

Sep 25

TUS3:45 pmTucson

5h 45m

2 stops

ONT9:30 pmOntario

Sep 28

ONT5:40 amOntario

3h 35m

1 stop

TUS9:15 amTucson

$295

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Thu 9/10

11:16 am-4:35 pm

1 stop5h 19m

Ontario

Sat 9/12

5:15 pm-9:40 pm

1 stop4h 25m

$277

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Wed 9/9

11:16 am-4:35 pm

1 stop5h 19m

Ontario

Sat 9/12

6:00 am-10:30 am

1 stop4h 30m

$277

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Sat 9/5

11:20 am-4:24 pm

1 stop5h 04m

Ontario

Wed 9/9

6:00 am-10:30 am

1 stop4h 30m

$277

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Sat 9/5

4:50 pm-10:23 pm

1 stop5h 33m

Ontario

Sun 9/6

6:00 am-10:30 am

1 stop4h 30m

$277

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Sat 9/5

10:40 am-3:15 pm

1 stop4h 35m

Ontario

Wed 9/9

1:10 pm-7:10 pm

2 stops6h 00m

$282

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Fri 10/2

6:05 pm-11:55 pm

1 stop5h 50m

Ontario

Tue 10/6

5:00 pm-10:00 pm

1 stop5h 00m

$290

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Fri 10/2

12:00 pm-9:20 pm

2 stops9h 20m

Ontario

Tue 10/6

4:15 pm-9:05 pm

1 stop4h 50m

$295

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Sat 10/10

3:15 pm-6:43 pm

1 stop3h 28m

Ontario

Tue 10/13

9:41 am-2:45 pm

1 stop5h 04m

$315

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Wed 10/7

11:53 am-3:16 pm

1 stop3h 23m

Ontario

Wed 10/14

1:05 pm-4:45 pm

1 stop3h 40m

$315

Quickest round-trip

TucsonOntario

TUS Tucson - ONT Ontario

TUSONT

Tucson

Sat 9/12

3:01 pm-6:17 pm

1 stop3h 16m

Ontario

Sun 9/13

6:15 am-9:39 am

1 stop3h 24m

$351

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	2h 45m
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 2h 45m

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 2h 45m 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 68% of the total bookings. Other popular airlines include Southwest with 32%.

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
American Airlines	PriceFrom $290	Free Cancellation	Rating 7.1 11,999 reviews		Search American Airlines flights
Southwest	PriceFrom $302	Free Cancellation	Rating 8.0 4,204 reviews		Search Southwest 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.

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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 10/12. 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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Alaska Airlines flights from Tucson to Ontario

Our best Alaska Airlines deals on Tucson to Ontario flight tickets

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Our best Southwest 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 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.

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