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Cheap flights from Ontario to Tucson from $148

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 5/20. 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
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.
Delta Logo
4:57 pm - 9:30 pm
ONT
-
TUS
4h 33m
1 stop
Delta Logo
4:52 pm - 11:34 pm
TUS
-
ONT
6h 42m
1 stop
$295Delta
Wed, May 27 - Wed, Jun 3
Southwest Logo
8:50 pm - 11:40 pm
ONT
-
TUS
2h 50m
1 stop
Southwest Logo
7:25 pm - 10:45 pm
TUS
-
ONT
3h 20m
1 stop
$303Southwest
Thu, Jun 4 - Tue, Jun 9
American Airlines Logo
6:15 am - 9:57 am
ONT
-
TUS
3h 42m
1 stop
American Airlines Logo
5:23 pm - 9:57 pm
TUS
-
ONT
4h 34m
1 stop
$307American Airlines
Tue, May 19 - Tue, May 26
Southwest Logo
10:45 am - 4:45 pm
ONT
-
TUS
6h 00m
1 stop
Southwest Logo
6:35 am - 11:35 am
TUS
-
ONT
5h 00m
2 stops
$308Southwest
Wed, May 27 - Wed, Jun 3
American Airlines Logo
6:10 am - 9:32 am
ONT
-
TUS
3h 22m
1 stop
American Airlines Logo
6:30 pm - 9:57 pm
TUS
-
ONT
3h 27m
1 stop
$312American Airlines
Thu, May 28 - Mon, Jun 1
Southwest Logo
5:45 am - 11:55 am
ONT
-
TUS
6h 10m
2 stops
Southwest Logo
6:35 am - 11:35 am
TUS
-
ONT
5h 00m
2 stops
$321Southwest
Wed, May 27 - Wed, Jun 3
Southwest Logo
5:05 pm - 11:20 pm
ONT
-
TUS
6h 15m
1 stop
Southwest Logo
7:50 am - 11:35 am
TUS
-
ONT
3h 45m
1 stop
$335Southwest
Mon, May 18 - Wed, May 20
Southwest Logo
8:50 pm - 11:40 pm
ONT
-
TUS
2h 50m
1 stop
Southwest Logo
6:15 am - 11:30 am
TUS
-
ONT
5h 15m
2 stops
$338Southwest
Thu, Jun 4 - Tue, Jun 9
American Airlines Logo
6:15 am - 9:57 am
ONT
-
TUS
3h 42m
1 stop
American Airlines Logo
3:06 pm - 6:24 pm
TUS
-
ONT
3h 18m
1 stop
$344American Airlines
Mon, May 18 - Tue, May 19
American Airlines Logo
6:10 am - 9:32 am
ONT
-
TUS
3h 22m
1 stop
American Airlines Logo
2:58 pm - 6:22 pm
TUS
-
ONT
3h 24m
1 stop
$345American Airlines
Thu, May 28 - Mon, Jun 1

Delta flights from Ontario to Tucson

Our best Delta deals on Ontario to Tucson flight tickets
Delta
May 27
ONT4:57 pmOntario
4h 33m
1 stop
TUS9:30 pmTucson
Jun 3
TUS4:52 pmTucson
6h 42m
1 stop
ONT11:34 pmOntario
$295
Delta
May 22
ONT4:57 pmOntario
4h 33m
1 stop
TUS9:30 pmTucson
May 29
TUS4:52 pmTucson
6h 42m
1 stop
ONT11:34 pmOntario
$385
Delta
Aug 2
ONT5:10 pmOntario
4h 47m
1 stop
TUS9:57 pmTucson
Aug 7
TUS4:31 pmTucson
7h 13m
1 stop
ONT11:44 pmOntario
$427

Southwest flights from Ontario to Tucson

Our best Southwest deals on Ontario to Tucson flight tickets
Southwest
Jun 4
ONT8:50 pmOntario
2h 50m
1 stop
TUS11:40 pmTucson
Jun 9
TUS7:25 pmTucson
3h 20m
1 stop
ONT10:45 pmOntario
$303
Southwest
May 27
ONT10:45 amOntario
6h 00m
1 stop
TUS4:45 pmTucson
Jun 3
TUS6:35 amTucson
5h 00m
2 stops
ONT11:35 amOntario
$308
Southwest
May 27
ONT5:45 amOntario
6h 10m
2 stops
TUS11:55 amTucson
Jun 3
TUS6:35 amTucson
5h 00m
2 stops
ONT11:35 amOntario
$321

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 April 30, 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

Wed 5/27

4:57 pm-9:30 pm

1 stop4h 33m

Tucson

Wed 6/3

4:52 pm-11:34 pm

1 stop6h 42m

$295
Quickest round-trip

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Thu 6/4

8:50 pm-11:40 pm

1 stop2h 50m

Tucson

Tue 6/9

7:25 pm-10:45 pm

1 stop3h 20m

$303

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Tue 5/19

6:15 am-9:57 am

1 stop3h 42m

Tucson

Tue 5/26

5:23 pm-9:57 pm

1 stop4h 34m

$307

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Wed 5/27

10:45 am-4:45 pm

1 stop6h 00m

Tucson

Wed 6/3

6:35 am-11:35 am

2 stops5h 00m

$308

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Thu 5/28

6:10 am-9:32 am

1 stop3h 22m

Tucson

Mon 6/1

6:30 pm-9:57 pm

1 stop3h 27m

$312

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Wed 5/27

5:45 am-11:55 am

2 stops6h 10m

Tucson

Wed 6/3

6:35 am-11:35 am

2 stops5h 00m

$321

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Mon 5/18

5:05 pm-11:20 pm

1 stop6h 15m

Tucson

Wed 5/20

7:50 am-11:35 am

1 stop3h 45m

$335

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Thu 6/4

8:50 pm-11:40 pm

1 stop2h 50m

Tucson

Tue 6/9

6:15 am-11:30 am

2 stops5h 15m

$338

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Mon 5/18

6:15 am-9:57 am

1 stop3h 42m

Tucson

Tue 5/19

3:06 pm-6:24 pm

1 stop3h 18m

$344

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Thu 5/28

6:10 am-9:32 am

1 stop3h 22m

Tucson

Mon 6/1

2:58 pm-6:22 pm

1 stop3h 24m

$345

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

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 $283. 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 $343.

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 $295. 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 $322.

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

3h 30m

Direct flights

None
The fastest flight from Ontario to Tucson takes 3h 30m
There are no direct flights from Ontario to Tucson. There are no popular flight routes from Ontario to Tucson.
Search flight deals

Frequently asked questions about flying from Ontario to Tucson

  • 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 3h 30m.

  • 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
5.6
2,969 reviews
Search Frontier flights
American AirlinesPriceFrom $243Free CancellationRating
7.1
11,682 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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