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Cheap flights from Tucson to Los Angeles from $78

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 2/26. 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 Tucson to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
12:08 pm - 11:56 pm
TUS
-
ONT
11h 48m
1 stop
Frontier Logo
10:35 pm - 8:07 am
ONT
-
TUS
9h 32m
1 stop
$160Frontier
Fri, Apr 10 - Sun, Apr 12
Frontier Logo
1:20 pm - 6:27 pm
TUS
-
ONT
6h 07m
1 stop
Frontier Logo
2:06 pm - 8:14 am
ONT
-
TUS
18h 08m
1 stop
$185Frontier
Thu, Mar 5 - Thu, Mar 12
Frontier Logo
1:20 pm - 6:27 pm
TUS
-
ONT
6h 07m
1 stop
Frontier Logo
2:06 pm - 8:14 am
ONT
-
TUS
18h 08m
1 stop
$189Frontier
Thu, Mar 5 - Thu, Mar 12
Frontier Logo
1:08 pm - 8:07 pm
TUS
-
ONT
6h 59m
1 stop
Frontier Logo
10:27 pm - 8:07 am
ONT
-
TUS
9h 40m
1 stop
$195Frontier
Mon, Apr 6 - Thu, Apr 9
Frontier Logo
1:20 pm - 6:27 pm
TUS
-
ONT
6h 07m
1 stop
Frontier Logo
7:10 pm - 8:14 am
ONT
-
TUS
12h 04m
1 stop
$201Frontier
Thu, Mar 5 - Sat, Mar 7
Frontier Logo
12:04 pm - 1:28 pm
TUS
-
ONT
25h 24m
1 stop
Frontier Logo
10:27 pm - 8:07 am
ONT
-
TUS
9h 40m
1 stop
$219Frontier
Fri, Mar 27 - Thu, Apr 2
Frontier Logo
1:04 pm - 1:51 pm
TUS
-
ONT
25h 47m
1 stop
Frontier Logo
7:31 pm - 8:14 am
ONT
-
TUS
12h 43m
1 stop
$222Frontier
Fri, Mar 6 - Sat, Mar 14
Delta Logo
1:30 pm - 11:13 am
TUS
-
ONT
21h 43m
1 stop
Delta Logo
5:55 pm - 12:29 pm
ONT
-
TUS
18h 34m
1 stop
$223Delta
Fri, Apr 17 - Tue, Apr 21
Frontier Logo
1:20 pm - 6:27 pm
TUS
-
ONT
6h 07m
1 stop
Frontier Logo
5:10 pm - 12:43 pm
ONT
-
TUS
19h 33m
1 stop
$226Frontier
Thu, Mar 5 - Wed, Mar 11
Delta Logo
1:30 pm - 1:39 pm
TUS
-
ONT
24h 09m
1 stop
Delta Logo
7:00 am - 9:31 pm
ONT
-
TUS
14h 31m
2 stops
$228Delta
Fri, Apr 17 - Tue, Apr 21

Alaska Airlines flights from Tucson to Ontario

Our best Alaska Airlines deals on Tucson to Ontario flight tickets
Alaska Airlines
May 4
TUS7:50 amTucson
16h 09m
1 stop
ONT11:59 pmOntario
May 9
ONT3:26 pmOntario
7h 15m
1 stop
TUS10:41 pmTucson
$303
Alaska Airlines
May 11
TUS7:50 amTucson
16h 09m
1 stop
ONT11:59 pmOntario
May 28
ONT11:15 amOntario
22h 39m
1 stop
TUS9:54 amTucson
$319
Alaska Airlines
Mar 18
TUS7:46 amTucson
16h 13m
1 stop
ONT11:59 pmOntario
Mar 25
ONT6:00 amOntario
16h 17m
1 stop
TUS10:17 pmTucson
$334

Southwest flights from Tucson to Ontario

Our best Southwest deals on Tucson to Ontario flight tickets
Southwest
Apr 1
TUS6:30 pmTucson
4h 05m
1 stop
ONT10:35 pmOntario
Apr 5
ONT5:25 amOntario
6h 30m
2 stops
TUS11:55 amTucson
$320
Southwest
Mar 5
TUS7:45 pmTucson
5h 25m
1 stop
ONT12:10 amOntario
Mar 12
ONT6:30 pmOntario
4h 40m
1 stop
TUS11:10 pmTucson
$411
Southwest
Mar 5
TUS10:40 amTucson
8h 05m
2 stops
ONT5:45 pmOntario
Mar 12
ONT4:25 pmOntario
3h 15m
1 stop
TUS7:40 pmTucson
$416

momondo Fare Finder

 
Customize your flight search to find flights from Tucson to Ontario 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 February 22, 2026.
Use the filters below to find and compare flights from Tucson to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 4/10

12:08 pm-11:56 pm

1 stop11h 48m

Ontario

Sun 4/12

10:35 pm-8:07 am

1 stop9h 32m

$160

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 3/5

1:20 pm-6:27 pm

1 stop6h 07m

Ontario

Thu 3/12

2:06 pm-8:14 am

1 stop18h 08m

$185

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 3/5

1:20 pm-6:27 pm

1 stop6h 07m

Ontario

Thu 3/12

2:06 pm-8:14 am

1 stop18h 08m

$189

TucsonOntario

TUS - ONT

TUSONT

Tucson

Mon 4/6

1:08 pm-8:07 pm

1 stop6h 59m

Ontario

Thu 4/9

10:27 pm-8:07 am

1 stop9h 40m

$195

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 3/5

1:20 pm-6:27 pm

1 stop6h 07m

Ontario

Sat 3/7

7:10 pm-8:14 am

1 stop12h 04m

$201

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 3/27

12:04 pm-1:28 pm

1 stop25h 24m

Ontario

Thu 4/2

10:27 pm-8:07 am

1 stop9h 40m

$219

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 3/6

1:04 pm-1:51 pm

1 stop25h 47m

Ontario

Sat 3/14

7:31 pm-8:14 am

1 stop12h 43m

$222

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 4/17

1:30 pm-11:13 am

1 stop21h 43m

Ontario

Tue 4/21

5:55 pm-12:29 pm

1 stop18h 34m

$223

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 3/5

1:20 pm-6:27 pm

1 stop6h 07m

Ontario

Wed 3/11

5:10 pm-12:43 pm

1 stop19h 33m

$226

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 4/17

1:30 pm-1:39 pm

1 stop24h 09m

Ontario

Tue 4/21

7:00 am-9:31 pm

2 stops14h 31m

$228

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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 $162. If you aren’t able to travel during the month of September, then book flights to Ontario from Tucson during June instead. Flights to Ontario in June, while not as cheap as those in September, still average around $258.

How have Tucson to Ontario flight prices changed over time?

As of February 2026, prices for Tucson to Ontario flights are approximately 8% 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

Fastest flight time

3h 28m

Direct flights

None
The fastest flight from Tucson to Ontario takes 3h 28m
There are no direct flights from Tucson to Ontario. There are no popular flight routes from Tucson to Ontario.
Search flight deals

  • How far is Tucson to Ontario by plane?

    The straight-line distance from Tucson to Ontario is 406.7 mi. Typically, this will take 3h 28m 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?

  • 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?

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
FrontierPriceFrom $69Free CancellationRating
5.7
3,045 reviews
Search Frontier flights
American AirlinesPriceFrom $243Free CancellationRating
7.2
11,338 reviews
Search American Airlines 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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