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Cheap flights from Ontario to Tucson from $143

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
4:51 pm - 9:08 pmONT  Ontario-TUS Tucson
3h 17m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
4:00 pm - 6:27 pmTUS  Tucson-ONT Ontario
3h 27m1 stop Phoenix Sky Harbor Intl
$251American Airlines
Mon, Dec 7 - Sat, Dec 12
United Airlines Logo
1:35 pm - 9:59 pmONT  Ontario-TUS Tucson
7h 24m1 stop San Francisco
United Airlines Logo
4:23 pm - 8:15 pmTUS  Tucson-ONT Ontario
4h 52m1 stop San Francisco
$251United Airlines
Wed, Nov 18 - Sat, Nov 21
Southwest Logo
5:00 pm - 9:55 pmONT  Ontario-TUS Tucson
3h 55m1 stop Las Vegas Harry Reid Intl
Southwest Logo
6:05 am - 11:20 amTUS  Tucson-ONT Ontario
6h 15m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl
$256Southwest
Mon, Dec 7 - Sat, Dec 12
Southwest Logo
1:30 pm - 8:40 pmONT  Ontario-TUS Tucson
6h 10m2 stops Las Vegas Harry Reid Intl San Diego
Southwest Logo
6:30 am - 9:00 amTUS  Tucson-ONT Ontario
3h 30m1 stop Las Vegas Harry Reid Intl
$256Southwest
Wed, Nov 18 - Sat, Nov 21
Southwest Logo
1:30 pm - 8:40 pmONT  Ontario-TUS Tucson
6h 10m2 stops Sacramento Intl San Diego
Southwest Logo
8:00 am - 12:50 pmTUS  Tucson-ONT Ontario
5h 50m2 stops San Diego Phoenix Sky Harbor Intl
$261Southwest
Mon, Dec 7 - Sat, Dec 12
American Airlines Logo
6:30 am - 10:45 amONT  Ontario-TUS Tucson
3h 15m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
7:45 am - 12:38 pmTUS  Tucson-ONT Ontario
5h 53m1 stop Phoenix Sky Harbor Intl
$275American Airlines
Mon, Dec 7 - Sat, Dec 12
American Airlines Logo
6:30 am - 12:03 pmONT  Ontario-TUS Tucson
4h 33m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
12:46 pm - 4:20 pmTUS  Tucson-ONT Ontario
4h 34m1 stop Phoenix Sky Harbor Intl
$295American Airlines
Fri, Dec 4 - Mon, Dec 7
American Airlines Logo
6:30 am - 12:05 pmONT  Ontario-TUS Tucson
4h 35m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
2:51 pm - 5:13 pmTUS  Tucson-ONT Ontario
3h 22m1 stop Phoenix Sky Harbor Intl
$312American Airlines
Tue, Nov 24 - Fri, Nov 27
Delta Logo
5:04 pm - 10:39 pmONT  Ontario-TUS Tucson
4h 35m1 stop Salt Lake City
Delta Logo
5:53 pm - 11:57 pmTUS  Tucson-ONT Ontario
7h 04m1 stop Salt Lake City
$331Delta
Wed, Dec 2 - Mon, Dec 7
Delta Logo
5:04 pm - 10:39 pmONT  Ontario-TUS Tucson
4h 35m1 stop Salt Lake City
Delta Logo
5:53 pm - 11:57 pmTUS  Tucson-ONT Ontario
7h 04m1 stop Salt Lake City
$331Delta
Fri, Dec 4 - Mon, Dec 7

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American Airlines flights from Ontario to Tucson

Our best American Airlines deals on Ontario to Tucson flight tickets
American Airlines
Dec 7
ONT4:51 pmOntario
3h 17m
1 stop
TUS9:08 pmTucson
Dec 12
TUS4:00 pmTucson
3h 27m
1 stop
ONT6:27 pmOntario
$251
American Airlines
Nov 18
ONT6:30 amOntario
4h 35m
1 stop
TUS12:05 pmTucson
Nov 25
TUS12:45 pmTucson
3h 50m
1 stop
ONT3:35 pmOntario
$258
American Airlines
Nov 24
ONT6:30 amOntario
4h 35m
1 stop
TUS12:05 pmTucson
Nov 27
TUS2:51 pmTucson
3h 22m
1 stop
ONT5:13 pmOntario
$312

United Airlines flights from Ontario to Tucson

Our best United Airlines deals on Ontario to Tucson flight tickets
United Airlines
Nov 18
ONT1:35 pmOntario
7h 24m
1 stop
TUS9:59 pmTucson
Nov 21
TUS4:23 pmTucson
4h 52m
1 stop
ONT8:15 pmOntario
$341
United Airlines
Jan 28
ONT1:42 pmOntario
6h 53m
1 stop
TUS9:35 pmTucson
Feb 5
TUS4:23 pmTucson
5h 37m
1 stop
ONT9:00 pmOntario
$374
United Airlines
Dec 16
ONT5:00 amOntario
6h 00m
1 stop
TUS12:00 pmTucson
Dec 17
TUS4:07 pmTucson
7h 46m
1 stop
ONT10:53 pmOntario
$390

momondo Fare Finder

 
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
Quickest round-trip

OntarioTucson

ONT Ontario - TUS Tucson

ONTTUS

Ontario

Mon 12/7

4:51 pm-9:08 pm

1 stop3h 17m

Tucson

Sat 12/12

4:00 pm-6:27 pm

1 stop3h 27m

$251

OntarioTucson

ONT Ontario - TUS Tucson

ONTTUS

Ontario

Wed 11/18

1:35 pm-9:59 pm

1 stop7h 24m

Tucson

Sat 11/21

4:23 pm-8:15 pm

1 stop4h 52m

$251

OntarioTucson

ONT Ontario - TUS Tucson

ONTTUS

Ontario

Mon 12/7

5:00 pm-9:55 pm

1 stop3h 55m

Tucson

Sat 12/12

6:05 am-11:20 am

2 stops6h 15m

$256

OntarioTucson

ONT Ontario - TUS Tucson

ONTTUS

Ontario

Wed 11/18

1:30 pm-8:40 pm

2 stops6h 10m

Tucson

Sat 11/21

6:30 am-9:00 am

1 stop3h 30m

$256

OntarioTucson

ONT Ontario - TUS Tucson

ONTTUS

Ontario

Mon 12/7

1:30 pm-8:40 pm

2 stops6h 10m

Tucson

Sat 12/12

8:00 am-12:50 pm

2 stops5h 50m

$261

OntarioTucson

ONT Ontario - TUS Tucson

ONTTUS

Ontario

Mon 12/7

6:30 am-10:45 am

1 stop3h 15m

Tucson

Sat 12/12

7:45 am-12:38 pm

1 stop5h 53m

$275

OntarioTucson

ONT Ontario - TUS Tucson

ONTTUS

Ontario

Fri 12/4

6:30 am-12:03 pm

1 stop4h 33m

Tucson

Mon 12/7

12:46 pm-4:20 pm

1 stop4h 34m

$295

OntarioTucson

ONT Ontario - TUS Tucson

ONTTUS

Ontario

Tue 11/24

6:30 am-12:05 pm

1 stop4h 35m

Tucson

Fri 11/27

2:51 pm-5:13 pm

1 stop3h 22m

$312

OntarioTucson

ONT Ontario - TUS Tucson

ONTTUS

Ontario

Wed 12/2

5:04 pm-10:39 pm

1 stop4h 35m

Tucson

Mon 12/7

5:53 pm-11:57 pm

1 stop7h 04m

$331

OntarioTucson

ONT Ontario - TUS Tucson

ONTTUS

Ontario

Fri 12/4

5:04 pm-10:39 pm

1 stop4h 35m

Tucson

Mon 12/7

5:53 pm-11:57 pm

1 stop7h 04m

$331

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?

Prices are currently low for flights on this route.

Typical prices usually range from $346 to $356.
The lowest price recently found on this route was $251.

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, Tuesday is the cheapest day to fly to Tucson from Ontario. The lowest ticket price found for a Tuesday 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 $364.

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 $301. 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 $346.

How have Ontario to Tucson flight prices changed over time?

As of October 2026, prices for Ontario to Tucson flights are approximately 39% cheaper when compared to flights at the same time last year.

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

Best Price Found

$143

Fastest flight time

3h 35m

Direct flights

None
The best one-way flight to Tucson from Ontario in the past 72 hours is $143. The best round-trip flight deal from Ontario to Tucson found on momondo in the last 72 hours is $251.
The fastest flight from Ontario to Tucson takes 3h 35m
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 35m.

  • 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
American AirlinesPriceFrom $267Free CancellationRating
7.0
12,189 reviews
Search American Airlines flights
SouthwestPriceFrom $329Free CancellationRating
7.9
4,219 reviews
Search Southwest flights

Traveling to a place near Tucson?

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