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Cheap flights from Ontario to Tucson from $76

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Tucson departing on 4/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Ontario to Tucson

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
10:35 pm - 8:07 am
ONT
-
TUS
9h 32m
1 stop
Frontier Logo
1:23 pm - 8:07 pm
TUS
-
ONT
6h 44m
1 stop
$140Frontier
Sun, Apr 12 - Mon, Apr 13
Frontier Logo
10:27 pm - 8:07 am
ONT
-
TUS
9h 40m
1 stop
Frontier Logo
1:23 pm - 8:07 pm
TUS
-
ONT
6h 44m
1 stop
$160Frontier
Thu, Apr 9 - Mon, Apr 13
Frontier Logo
10:27 pm - 8:07 am
ONT
-
TUS
9h 40m
1 stop
Frontier Logo
1:23 pm - 8:07 pm
TUS
-
ONT
6h 44m
1 stop
$179Frontier
Thu, Apr 9 - Mon, Apr 13
Frontier Logo
10:27 pm - 8:07 am
ONT
-
TUS
9h 40m
1 stop
Frontier Logo
1:23 pm - 8:07 pm
TUS
-
ONT
6h 44m
1 stop
$180Frontier
Thu, Apr 9 - Mon, Apr 13
Frontier Logo
6:10 pm - 8:07 am
ONT
-
TUS
13h 57m
2 stops
Frontier Logo
1:23 pm - 10:44 am
TUS
-
ONT
21h 21m
1 stop
$185Frontier
Sun, Apr 12 - Mon, Apr 13
Frontier Logo
10:27 pm - 8:07 am
ONT
-
TUS
9h 40m
1 stop
Frontier Logo
1:08 pm - 8:07 pm
TUS
-
ONT
6h 59m
1 stop
$250Frontier
Thu, Apr 2 - Mon, Apr 6
Alaska Airlines Logo
7:59 pm - 11:47 am
ONT
-
TUS
15h 48m
1 stop
Alaska Airlines Logo
12:43 pm - 9:45 am
TUS
-
ONT
21h 02m
1 stop
$287Alaska Airlines
Fri, May 8 - Mon, May 11
Southwest Logo
10:55 am - 5:30 pm
ONT
-
TUS
6h 35m
1 stop
Southwest Logo
7:50 am - 11:35 am
TUS
-
ONT
3h 45m
1 stop
$295Southwest
Tue, Apr 14 - Tue, Apr 21
Southwest Logo
5:55 am - 11:55 am
ONT
-
TUS
6h 00m
2 stops
Southwest Logo
4:20 pm - 9:30 pm
TUS
-
ONT
5h 10m
1 stop
$300Southwest
Tue, Apr 14 - Tue, Apr 21
Southwest Logo
3:45 pm - 9:25 pm
ONT
-
TUS
5h 40m
1 stop
Southwest Logo
11:55 am - 8:05 pm
TUS
-
ONT
8h 10m
1 stop
$303Southwest
Tue, Apr 14 - Thu, Apr 16

United Airlines flights from Ontario to Tucson

Our best United Airlines deals on Ontario to Tucson flight tickets
United Airlines
Apr 18
ONT1:27 pmOntario
5h 28m
1 stop
TUS6:55 pmTucson
Apr 28
TUS1:29 pmTucson
7h 07m
1 stop
ONT8:36 pmOntario
$373
United Airlines
Apr 11
ONT5:10 amOntario
7h 17m
1 stop
TUS12:27 pmTucson
Apr 22
TUS12:35 pmTucson
5h 12m
1 stop
ONT5:47 pmOntario
$391
United Airlines
Apr 3
ONT5:10 amOntario
7h 17m
1 stop
TUS12:27 pmTucson
Apr 4
TUS7:15 amTucson
10h 32m
2 stops
ONT5:47 pmOntario
$516

Frontier flights from Ontario to Tucson

Our best Frontier deals on Ontario to Tucson flight tickets
Frontier
Apr 12
ONT10:35 pmOntario
9h 32m
1 stop
TUS8:07 amTucson
Apr 13
TUS1:23 pmTucson
6h 44m
1 stop
ONT8:07 pmOntario
$140
Frontier
Apr 9
ONT10:27 pmOntario
9h 40m
1 stop
TUS8:07 amTucson
Apr 13
TUS1:23 pmTucson
6h 44m
1 stop
ONT8:07 pmOntario
$160
Frontier
Apr 9
ONT10:27 pmOntario
9h 40m
1 stop
TUS8:07 amTucson
Apr 13
TUS1:23 pmTucson
6h 44m
1 stop
ONT8:07 pmOntario
$179

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Tucson that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 21, 2026.
Use the filters below to find and compare flights from Ontario to Tucson that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Sun 4/12

10:35 pm-8:07 am

1 stop9h 32m

Tucson

Mon 4/13

1:23 pm-8:07 pm

1 stop6h 44m

$140

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Thu 4/9

10:27 pm-8:07 am

1 stop9h 40m

Tucson

Mon 4/13

1:23 pm-8:07 pm

1 stop6h 44m

$160

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Thu 4/9

10:27 pm-8:07 am

1 stop9h 40m

Tucson

Mon 4/13

1:23 pm-8:07 pm

1 stop6h 44m

$179

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Thu 4/9

10:27 pm-8:07 am

1 stop9h 40m

Tucson

Mon 4/13

1:23 pm-8:07 pm

1 stop6h 44m

$180

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Sun 4/12

6:10 pm-8:07 am

2 stops13h 57m

Tucson

Mon 4/13

1:23 pm-10:44 am

1 stop21h 21m

$185

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Thu 4/2

10:27 pm-8:07 am

1 stop9h 40m

Tucson

Mon 4/6

1:08 pm-8:07 pm

1 stop6h 59m

$250

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Fri 5/8

7:59 pm-11:47 am

1 stop15h 48m

Tucson

Mon 5/11

12:43 pm-9:45 am

1 stop21h 02m

$287
Quickest round-trip

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Tue 4/14

10:55 am-5:30 pm

1 stop6h 35m

Tucson

Tue 4/21

7:50 am-11:35 am

1 stop3h 45m

$295

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Tue 4/14

5:55 am-11:55 am

2 stops6h 00m

Tucson

Tue 4/21

4:20 pm-9:30 pm

1 stop5h 10m

$300

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Tue 4/14

3:45 pm-9:25 pm

1 stop5h 40m

Tucson

Thu 4/16

11:55 am-8:05 pm

1 stop8h 10m

$303

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Tucson from

How to get the cheapest flight ticket from Ontario to Tucson

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

What is the cheapest month to fly to Tucson?

In general, February is the cheapest month to fly from Ontario to Tucson. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $271. If you don’t want to visit Tucson in February, then you should wait until July to fly from Ontario, when ticket prices are also cheap, with an average price of $289.

What is the cheapest day to depart on your flight to Tucson?

According to our data, Saturday is the cheapest day to fly to Tucson from Ontario. The lowest ticket price found for a Saturday departure recently was $278. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to Tucson for around $331.

What is the cheapest time of day to depart on your flight to Tucson?

At noon is the cheapest time of day to fly from Ontario to Tucson when you can find flight prices for as low as $290. Flying to Tucson at noon is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $317.

How have Ontario to Tucson flight prices changed over time?

When to book flights from Ontario to Tucson

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Tucson according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Find info about flight duration, direct flights, and airports for your flight from Ontario to Tucson

Fastest flight time

4h 24m

Direct flights

None
The fastest flight from Ontario to Tucson takes 4h 24m
There are no direct flights from Ontario to Tucson. There are no popular flight routes from Ontario to Tucson.
Search flight deals

  • How far is Ontario to Tucson by plane?

    A flight from Ontario to Tucson will travel around 406.7 mi. In terms of flight time, this usually takes a little over 4h 24m.

  • When did momondo last update prices for flights from Ontario Airport to Tucson Airport?

    Prices for flights from Ontario Airport to Tucson Airport refresh daily.

  • How many operators does momondo search for flights from Ontario Airport to Tucson Airport?

  • How old do you have to be to fly from Ontario Airport to Tucson Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario Airport to Tucson Airport.

  • What documentation or ID do you need to fly to Tucson Airport?

    The travel and health documents you'll need for your trip to Tucson Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Tucson Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Ontario to Tucson?

Best airlines flying from Ontario to Tucson

Compare and see reviews for airlines that fly from Ontario to Tucson with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $143Free CancellationRating
5.7
3,022 reviews
Search Frontier flights
American AirlinesPriceFrom $243Free CancellationRating
7.1
11,488 reviews
Search American Airlines flights

Traveling to a place near Tucson?

Book flights to Tucson if you plan to visit one of these locations
Tombstone
Bisbee
Sierra Vista
Oro Valley
Green Valley
Douglas

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Tucson?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Tucson. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ontario to Tucson with flexible booking policies on momondo?

All flight searches from Ontario to Tucson on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Tucson?

momondo provides multiple filters to help you find the best flight to Tucson from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ontario to Tucson right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Tucson from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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