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Cheap flights from Tucson to Los Angeles from $86

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 4/10. 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 Tucson to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
1:23 pm - 8:07 pm
TUS
-
ONT
6h 44m
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
1:23 pm - 8:07 pm
TUS
-
ONT
6h 44m
1 stop
Frontier Logo
10:35 pm - 8:07 am
ONT
-
TUS
9h 32m
1 stop
$172Frontier
Fri, Apr 10 - Sun, Apr 12
Frontier Logo
1:23 pm - 11:39 am
TUS
-
ONT
22h 16m
1 stop
Frontier Logo
10:35 pm - 8:07 am
ONT
-
TUS
9h 32m
1 stop
$216Frontier
Fri, Apr 3 - Sun, Apr 5
Frontier Logo
9:02 am - 11:39 am
TUS
-
ONT
26h 37m
2 stops
Frontier Logo
10:35 pm - 8:07 am
ONT
-
TUS
9h 32m
1 stop
$222Frontier
Fri, Apr 10 - Sun, Apr 12
Frontier Logo
9:02 am - 11:39 am
TUS
-
ONT
26h 37m
2 stops
Frontier Logo
10:35 pm - 8:07 am
ONT
-
TUS
9h 32m
1 stop
$237Frontier
Fri, Apr 10 - Sun, Apr 12
Frontier Logo
12:04 pm - 3:37 pm
TUS
-
ONT
3h 33m
1 stop
Frontier Logo
10:35 pm - 8:07 am
ONT
-
TUS
9h 32m
1 stop
$260Frontier
Fri, Mar 27 - Sun, Apr 5
Frontier Logo
12:04 pm - 3:37 pm
TUS
-
ONT
3h 33m
1 stop
Frontier Logo
2:23 pm - 8:14 am
ONT
-
TUS
17h 51m
1 stop
$261Frontier
Fri, Mar 27 - Sat, Mar 28
Alaska Airlines Logo
7:50 am - 10:32 pm
TUS
-
ONT
14h 42m
1 stop
Alaska Airlines Logo
3:26 pm - 10:41 pm
ONT
-
TUS
7h 15m
1 stop
$264Alaska Airlines
Tue, May 5 - Sat, May 9
Alaska Airlines Logo
7:50 am - 11:59 pm
TUS
-
ONT
16h 09m
1 stop
Alaska Airlines Logo
6:00 am - 10:41 pm
ONT
-
TUS
16h 41m
1 stop
$265Alaska Airlines
Fri, May 1 - Wed, May 6
Delta Logo
1:30 pm - 10:37 pm
TUS
-
ONT
9h 07m
1 stop
Delta Logo
6:00 am - 10:24 am
ONT
-
TUS
4h 24m
1 stop
$270Delta
Thu, Apr 30 - Sat, May 2

Delta flights from Tucson to Ontario

Our best Delta deals on Tucson to Ontario flight tickets
Delta
Apr 30
TUS1:30 pmTucson
9h 07m
1 stop
ONT10:37 pmOntario
May 2
ONT6:00 amOntario
4h 24m
1 stop
TUS10:24 amTucson
$270
Delta
Apr 28
TUS4:56 pmTucson
6h 48m
1 stop
ONT11:44 pmOntario
Apr 29
ONT6:00 amOntario
4h 24m
1 stop
TUS10:24 amTucson
$275
Delta
Apr 30
TUS1:30 pmTucson
9h 07m
1 stop
ONT10:37 pmOntario
May 4
ONT5:05 pmOntario
4h 26m
1 stop
TUS9:31 pmTucson
$300

United Airlines flights from Tucson to Ontario

Our best United Airlines deals on Tucson to Ontario flight tickets
United Airlines
Apr 29
TUS6:00 amTucson
6h 36m
1 stop
ONT12:36 pmOntario
May 5
ONT5:00 amOntario
7h 37m
1 stop
TUS12:37 pmTucson
$335
United Airlines
Apr 28
TUS6:00 amTucson
12h 02m
2 stops
ONT6:02 pmOntario
May 5
ONT5:00 amOntario
7h 37m
1 stop
TUS12:37 pmTucson
$340
United Airlines
Apr 14
TUS6:00 amTucson
6h 38m
1 stop
ONT12:38 pmOntario
Apr 21
ONT1:34 pmOntario
6h 44m
1 stop
TUS8:18 pmTucson
$362

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 March 11, 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

Cheapest round-trip

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 4/10

1:23 pm-8:07 pm

1 stop6h 44m

Ontario

Sun 4/12

10:35 pm-8:07 am

1 stop9h 32m

$160

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 4/10

1:23 pm-8:07 pm

1 stop6h 44m

Ontario

Sun 4/12

10:35 pm-8:07 am

1 stop9h 32m

$172

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 4/3

1:23 pm-11:39 am

1 stop22h 16m

Ontario

Sun 4/5

10:35 pm-8:07 am

1 stop9h 32m

$216

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 4/10

9:02 am-11:39 am

2 stops26h 37m

Ontario

Sun 4/12

10:35 pm-8:07 am

1 stop9h 32m

$222

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 4/10

9:02 am-11:39 am

2 stops26h 37m

Ontario

Sun 4/12

10:35 pm-8:07 am

1 stop9h 32m

$237
Quickest round-trip

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 3/27

12:04 pm-3:37 pm

1 stop3h 33m

Ontario

Sun 4/5

10:35 pm-8:07 am

1 stop9h 32m

$260

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 3/27

12:04 pm-3:37 pm

1 stop3h 33m

Ontario

Sat 3/28

2:23 pm-8:14 am

1 stop17h 51m

$261

TucsonOntario

TUS - ONT

TUSONT

Tucson

Tue 5/5

7:50 am-10:32 pm

1 stop14h 42m

Ontario

Sat 5/9

3:26 pm-10:41 pm

1 stop7h 15m

$264

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 5/1

7:50 am-11:59 pm

1 stop16h 09m

Ontario

Wed 5/6

6:00 am-10:41 pm

1 stop16h 41m

$265

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 4/30

1:30 pm-10:37 pm

1 stop9h 07m

Ontario

Sat 5/2

6:00 am-10:24 am

1 stop4h 24m

$270

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 Los Angeles from

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 March 2026, prices for Tucson to Ontario flights are approximately 25% 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 18m

Direct flights

None
The fastest flight from Tucson to Ontario takes 3h 18m
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 18m 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
3,033 reviews
Search Frontier flights
American AirlinesPriceFrom $243Free CancellationRating
7.1
11,421 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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