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Cheap flights from Ontario to Tucson from $154

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 8/19. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Tucson

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:59 pm - 4:49 pm
ONT
-
TUS
3h 50m
1 stop
American Airlines Logo
3:05 pm - 6:15 pm
TUS
-
ONT
3h 10m
1 stop
$307American Airlines
Wed, Aug 26 - Thu, Aug 27
Southwest Logo
2:55 pm - 6:20 pm
ONT
-
TUS
3h 25m
1 stop
Southwest Logo
7:25 am - 10:25 am
TUS
-
ONT
3h 00m
1 stop
$308Southwest
Sat, Aug 8 - Tue, Aug 18
American Airlines Logo
4:47 pm - 10:59 pm
ONT
-
TUS
5h 12m
1 stop
American Airlines Logo
2:38 pm - 6:20 pm
TUS
-
ONT
4h 42m
1 stop
$309American Airlines
Wed, Nov 4 - Sat, Nov 7
Southwest Logo
1:15 pm - 8:25 pm
ONT
-
TUS
7h 10m
2 stops
Southwest Logo
2:10 pm - 10:00 pm
TUS
-
ONT
7h 50m
1 stop
$314Southwest
Wed, Sep 2 - Tue, Sep 8
Southwest Logo
3:50 pm - 11:05 pm
ONT
-
TUS
7h 15m
2 stops
Southwest Logo
5:40 am - 12:55 pm
TUS
-
ONT
7h 15m
2 stops
$319Southwest
Sat, Jul 25 - Wed, Jul 29
Delta Logo
5:05 pm - 9:46 pm
ONT
-
TUS
4h 41m
1 stop
Delta Logo
7:12 am - 12:16 pm
TUS
-
ONT
5h 04m
1 stop
$322Delta
Sat, Aug 8 - Mon, Aug 10
Delta Logo
6:00 am - 10:30 am
ONT
-
TUS
4h 30m
1 stop
Delta Logo
4:31 pm - 11:34 pm
TUS
-
ONT
7h 03m
1 stop
$323Delta
Sat, Aug 8 - Mon, Aug 10
Southwest Logo
1:10 pm - 7:05 pm
ONT
-
TUS
5h 55m
2 stops
Southwest Logo
11:55 am - 3:05 pm
TUS
-
ONT
3h 10m
1 stop
$327Southwest
Wed, Aug 26 - Thu, Aug 27
Southwest Logo
11:00 am - 6:25 pm
ONT
-
TUS
7h 25m
2 stops
Southwest Logo
5:10 am - 9:55 am
TUS
-
ONT
4h 45m
1 stop
$328Southwest
Sat, Aug 15 - Mon, Aug 17
Southwest Logo
2:10 pm - 8:35 pm
ONT
-
TUS
6h 25m
2 stops
Southwest Logo
5:10 am - 12:10 pm
TUS
-
ONT
7h 00m
2 stops
$332Southwest
Wed, Aug 26 - Thu, Aug 27

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United Airlines flights from Ontario to Tucson

Our best United Airlines deals on Ontario to Tucson flight tickets
United Airlines
Aug 24
ONT1:56 pmOntario
7h 14m
1 stop
TUS9:10 pmTucson
Aug 27
TUS12:30 pmTucson
5h 41m
1 stop
ONT6:11 pmOntario
$407
United Airlines
Jul 22
ONT5:00 amOntario
7h 32m
1 stop
TUS12:32 pmTucson
Jul 28
TUS3:28 pmTucson
7h 09m
1 stop
ONT10:37 pmOntario
$432
United Airlines
Nov 10
ONT5:00 amOntario
7h 28m
1 stop
TUS1:28 pmTucson
Nov 11
TUS6:30 amTucson
7h 12m
1 stop
ONT12:42 pmOntario
$436

American Airlines flights from Ontario to Tucson

Our best American Airlines deals on Ontario to Tucson flight tickets
American Airlines
Aug 26
ONT12:59 pmOntario
3h 50m
1 stop
TUS4:49 pmTucson
Aug 27
TUS3:05 pmTucson
3h 10m
1 stop
ONT6:15 pmOntario
$307
American Airlines
Nov 4
ONT4:47 pmOntario
5h 12m
1 stop
TUS10:59 pmTucson
Nov 7
TUS2:38 pmTucson
4h 42m
1 stop
ONT6:20 pmOntario
$309
American Airlines
Jun 30
ONT7:13 pmOntario
3h 42m
1 stop
TUS10:55 pmTucson
Jul 1
TUS8:38 amTucson
3h 26m
1 stop
ONT12:04 pmOntario
$325

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 June 27, 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 8/26

12:59 pm-4:49 pm

1 stop3h 50m

Tucson

Thu 8/27

3:05 pm-6:15 pm

1 stop3h 10m

$307
Quickest round-trip

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Sat 8/8

2:55 pm-6:20 pm

1 stop3h 25m

Tucson

Tue 8/18

7:25 am-10:25 am

1 stop3h 00m

$308

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Wed 11/4

4:47 pm-10:59 pm

1 stop5h 12m

Tucson

Sat 11/7

2:38 pm-6:20 pm

1 stop4h 42m

$309

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Wed 9/2

1:15 pm-8:25 pm

2 stops7h 10m

Tucson

Tue 9/8

2:10 pm-10:00 pm

1 stop7h 50m

$314

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Sat 7/25

3:50 pm-11:05 pm

2 stops7h 15m

Tucson

Wed 7/29

5:40 am-12:55 pm

2 stops7h 15m

$319

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Sat 8/8

5:05 pm-9:46 pm

1 stop4h 41m

Tucson

Mon 8/10

7:12 am-12:16 pm

1 stop5h 04m

$322

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Sat 8/8

6:00 am-10:30 am

1 stop4h 30m

Tucson

Mon 8/10

4:31 pm-11:34 pm

1 stop7h 03m

$323

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Wed 8/26

1:10 pm-7:05 pm

2 stops5h 55m

Tucson

Thu 8/27

11:55 am-3:05 pm

1 stop3h 10m

$327

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Sat 8/15

11:00 am-6:25 pm

2 stops7h 25m

Tucson

Mon 8/17

5:10 am-9:55 am

1 stop4h 45m

$328

OntarioTucson

ONT - TUS

ONTTUS

Ontario

Wed 8/26

2:10 pm-8:35 pm

2 stops6h 25m

Tucson

Thu 8/27

5:10 am-12:10 pm

2 stops7h 00m

$332

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 March to fly from Ontario, when ticket prices are also cheap, with an average price of $304.

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

According to our data, Wednesday is the cheapest day to fly to Tucson from Ontario. The lowest ticket price found for a Wednesday departure recently was $286. 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 $363.

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 $306. 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 $345.

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 21m

Direct flights

None
The fastest flight from Ontario to Tucson takes 3h 21m
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 21m.

  • 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 $78Free CancellationRating
5.6
2,860 reviews
Search Frontier flights
American AirlinesPriceFrom $254Free CancellationRating
7.1
11,777 reviews
Search American Airlines flights
SouthwestPriceFrom $312Free CancellationRating
7.9
4,246 reviews
Search Southwest 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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