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Cheap flights from Tucson to Los Angeles from $121

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 10/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Delta Logo
4:31 pm - 11:48 pm
TUS
-
ONT
7h 17m
1 stop
Delta Logo
6:00 am - 10:24 am
ONT
-
TUS
4h 24m
1 stop
$307Delta
Tue, Jul 14 - Tue, Jul 21
Southwest Logo
5:40 am - 9:15 am
TUS
-
ONT
3h 35m
1 stop
Southwest Logo
3:30 pm - 10:35 pm
ONT
-
TUS
7h 05m
2 stops
$312Southwest
Tue, Jul 14 - Tue, Jul 21
Southwest Logo
5:40 am - 11:30 am
TUS
-
ONT
5h 50m
2 stops
Southwest Logo
3:30 pm - 10:35 pm
ONT
-
TUS
7h 05m
2 stops
$317Southwest
Tue, Jul 14 - Tue, Jul 21
Frontier Logo
3:25 pm - 11:55 pm
TUS
-
ONT
8h 30m
1 stop
Frontier Logo
6:00 am - 2:30 pm
ONT
-
TUS
8h 30m
1 stop
$320Frontier
Tue, Oct 13 - Thu, Oct 15
Southwest Logo
4:55 pm - 10:45 pm
TUS
-
ONT
5h 50m
2 stops
Southwest Logo
3:30 pm - 10:30 pm
ONT
-
TUS
7h 00m
2 stops
$326Southwest
Wed, Jun 24 - Wed, Jul 1
Southwest Logo
5:45 am - 11:45 am
TUS
-
ONT
6h 00m
2 stops
Southwest Logo
2:50 pm - 10:20 pm
ONT
-
TUS
7h 30m
1 stop
$334Southwest
Tue, Oct 13 - Thu, Oct 15
Southwest Logo
5:45 am - 1:15 pm
TUS
-
ONT
7h 30m
2 stops
Southwest Logo
6:10 pm - 11:15 pm
ONT
-
TUS
5h 05m
2 stops
$339Southwest
Tue, Oct 13 - Thu, Oct 15
Delta Logo
4:31 pm - 11:48 pm
TUS
-
ONT
7h 17m
1 stop
Delta Logo
6:00 am - 10:24 am
ONT
-
TUS
4h 24m
1 stop
$351Delta
Thu, Jul 9 - Tue, Jul 14
Southwest Logo
5:10 am - 11:25 am
TUS
-
ONT
6h 15m
1 stop
Southwest Logo
6:40 am - 9:50 am
ONT
-
TUS
3h 10m
1 stop
$359Southwest
Thu, Aug 13 - Sun, Aug 16
Southwest Logo
6:20 pm - 12:05 am
TUS
-
ONT
5h 45m
1 stop
Southwest Logo
6:35 pm - 10:30 pm
ONT
-
TUS
3h 55m
1 stop
$361Southwest
Sun, Jun 21 - Wed, Jun 24

United Airlines flights from Tucson to Ontario

Our best United Airlines deals on Tucson to Ontario flight tickets
United Airlines
Oct 27
TUS12:30 pmTucson
7h 50m
1 stop
ONT8:20 pmOntario
Oct 28
ONT6:53 pmOntario
4h 42m
1 stop
TUS11:35 pmTucson
$390
United Airlines
Aug 27
TUS12:30 pmTucson
7h 31m
1 stop
ONT8:01 pmOntario
Sep 1
ONT5:00 amOntario
7h 27m
1 stop
TUS12:27 pmTucson
$399
United Airlines
Aug 27
TUS12:30 pmTucson
7h 31m
1 stop
ONT8:01 pmOntario
Sep 5
ONT1:18 pmOntario
7h 12m
1 stop
TUS8:30 pmTucson
$403

American Airlines flights from Tucson to Ontario

Our best American Airlines deals on Tucson to Ontario flight tickets
American Airlines
Jun 21
TUS2:58 pmTucson
3h 23m
1 stop
ONT6:21 pmOntario
Jun 24
ONT6:10 amOntario
3h 22m
1 stop
TUS9:32 amTucson
$365
American Airlines
Jul 7
TUS1:41 pmTucson
4h 37m
1 stop
ONT6:18 pmOntario
Jul 14
ONT1:11 pmOntario
4h 35m
1 stop
TUS5:46 pmTucson
$377
American Airlines
Jun 25
TUS6:30 pmTucson
3h 27m
1 stop
ONT9:57 pmOntario
Jun 29
ONT7:13 pmOntario
3h 23m
1 stop
TUS10:36 pmTucson
$395

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 May 28, 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

Tue 7/14

4:31 pm-11:48 pm

1 stop7h 17m

Ontario

Tue 7/21

6:00 am-10:24 am

1 stop4h 24m

$307

TucsonOntario

TUS - ONT

TUSONT

Tucson

Tue 7/14

5:40 am-9:15 am

1 stop3h 35m

Ontario

Tue 7/21

3:30 pm-10:35 pm

2 stops7h 05m

$312

TucsonOntario

TUS - ONT

TUSONT

Tucson

Tue 7/14

5:40 am-11:30 am

2 stops5h 50m

Ontario

Tue 7/21

3:30 pm-10:35 pm

2 stops7h 05m

$317

TucsonOntario

TUS - ONT

TUSONT

Tucson

Tue 10/13

3:25 pm-11:55 pm

1 stop8h 30m

Ontario

Thu 10/15

6:00 am-2:30 pm

1 stop8h 30m

$320

TucsonOntario

TUS - ONT

TUSONT

Tucson

Wed 6/24

4:55 pm-10:45 pm

2 stops5h 50m

Ontario

Wed 7/1

3:30 pm-10:30 pm

2 stops7h 00m

$326

TucsonOntario

TUS - ONT

TUSONT

Tucson

Tue 10/13

5:45 am-11:45 am

2 stops6h 00m

Ontario

Thu 10/15

2:50 pm-10:20 pm

1 stop7h 30m

$334

TucsonOntario

TUS - ONT

TUSONT

Tucson

Tue 10/13

5:45 am-1:15 pm

2 stops7h 30m

Ontario

Thu 10/15

6:10 pm-11:15 pm

2 stops5h 05m

$339

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 7/9

4:31 pm-11:48 pm

1 stop7h 17m

Ontario

Tue 7/14

6:00 am-10:24 am

1 stop4h 24m

$351
Quickest round-trip

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 8/13

5:10 am-11:25 am

1 stop6h 15m

Ontario

Sun 8/16

6:40 am-9:50 am

1 stop3h 10m

$359

TucsonOntario

TUS - ONT

TUSONT

Tucson

Sun 6/21

6:20 pm-12:05 am

1 stop5h 45m

Ontario

Wed 6/24

6:35 pm-10:30 pm

1 stop3h 55m

$361

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

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 December instead. Flights to Ontario in December, while not as cheap as those in September, still average around $281.

How have Tucson to Ontario flight prices changed over time?

As of May 2026, prices for Tucson to Ontario flights are approximately 5% 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 19m

Direct flights

None
The fastest flight from Tucson to Ontario takes 3h 19m
There are no direct flights from Tucson to Ontario. There are no popular flight routes from Tucson to Ontario.
Search flight deals

Frequently asked questions about flying from Tucson to Ontario

  • 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 19m 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 $112Free CancellationRating
5.6
2,929 reviews
Search Frontier flights
American AirlinesPriceFrom $243Free CancellationRating
7.1
11,648 reviews
Search American Airlines flights
SouthwestPriceFrom $287Free CancellationRating
8.0
4,265 reviews
Search Southwest 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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