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Cheap flights from Tucson to Los Angeles from $129

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 4/3. 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
$180Frontier
Fri, Apr 10 - Sun, Apr 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
$215Frontier
Mon, Apr 6 - Thu, Apr 9
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
$260Frontier
Fri, Apr 3 - Sun, Apr 5
Alaska Airlines Logo
7:50 am - 11:59 pm
TUS
-
ONT
16h 09m
1 stop
Alaska Airlines Logo
10:39 am - 10:41 pm
ONT
-
TUS
12h 02m
1 stop
$277Alaska Airlines
Thu, May 7 - Mon, May 11
Alaska Airlines Logo
7:50 am - 9:45 am
TUS
-
ONT
25h 55m
1 stop
Alaska Airlines Logo
6:00 am - 11:59 pm
ONT
-
TUS
17h 59m
1 stop
$287Alaska Airlines
Sat, Apr 25 - Tue, Apr 28
Southwest Logo
6:35 pm - 10:10 pm
TUS
-
ONT
3h 35m
1 stop
Southwest Logo
2:10 pm - 5:30 pm
ONT
-
TUS
3h 20m
1 stop
$295Southwest
Tue, Apr 14 - Tue, Apr 21
Southwest Logo
6:35 am - 11:35 am
TUS
-
ONT
5h 00m
2 stops
Southwest Logo
4:30 pm - 10:10 pm
ONT
-
TUS
5h 40m
1 stop
$300Southwest
Tue, Apr 14 - Tue, Apr 21
Southwest Logo
11:00 am - 3:35 pm
TUS
-
ONT
4h 35m
1 stop
Southwest Logo
5:30 am - 9:00 am
ONT
-
TUS
3h 30m
1 stop
$303Southwest
Sat, Apr 18 - Mon, Apr 20
Southwest Logo
6:35 am - 1:00 pm
TUS
-
ONT
6h 25m
2 stops
Southwest Logo
3:30 pm - 10:10 pm
ONT
-
TUS
6h 40m
2 stops
$305Southwest
Tue, Apr 14 - Tue, Apr 21
Southwest Logo
4:15 pm - 8:45 pm
TUS
-
ONT
4h 30m
1 stop
Southwest Logo
5:05 pm - 10:50 pm
ONT
-
TUS
5h 45m
2 stops
$308Southwest
Sat, Apr 18 - Mon, Apr 20

Frontier flights from Tucson to Ontario

Our best Frontier deals on Tucson to Ontario flight tickets
Frontier
Apr 10
TUS1:23 pmTucson
6h 44m
1 stop
ONT8:07 pmOntario
Apr 12
ONT10:35 pmOntario
9h 32m
1 stop
TUS8:07 amTucson
$180
Frontier
Apr 6
TUS1:08 pmTucson
6h 59m
1 stop
ONT8:07 pmOntario
Apr 9
ONT10:27 pmOntario
9h 40m
1 stop
TUS8:07 amTucson
$215
Frontier
Apr 3
TUS1:23 pmTucson
6h 44m
1 stop
ONT8:07 pmOntario
Apr 5
ONT10:35 pmOntario
9h 32m
1 stop
TUS8:07 amTucson
$260

Southwest flights from Tucson to Ontario

Our best Southwest deals on Tucson to Ontario flight tickets
Southwest
Apr 14
TUS6:35 pmTucson
3h 35m
1 stop
ONT10:10 pmOntario
Apr 21
ONT2:10 pmOntario
3h 20m
1 stop
TUS5:30 pmTucson
$295
Southwest
Apr 14
TUS6:35 amTucson
5h 00m
2 stops
ONT11:35 amOntario
Apr 21
ONT4:30 pmOntario
5h 40m
1 stop
TUS10:10 pmTucson
$300
Southwest
Apr 18
TUS11:00 amTucson
4h 35m
1 stop
ONT3:35 pmOntario
Apr 20
ONT5:30 amOntario
3h 30m
1 stop
TUS9:00 amTucson
$303

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 19, 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

$180

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

$215

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 4/3

1:23 pm-8:07 pm

1 stop6h 44m

Ontario

Sun 4/5

10:35 pm-8:07 am

1 stop9h 32m

$260

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 5/7

7:50 am-11:59 pm

1 stop16h 09m

Ontario

Mon 5/11

10:39 am-10:41 pm

1 stop12h 02m

$277

TucsonOntario

TUS - ONT

TUSONT

Tucson

Sat 4/25

7:50 am-9:45 am

1 stop25h 55m

Ontario

Tue 4/28

6:00 am-11:59 pm

1 stop17h 59m

$287
Quickest round-trip

TucsonOntario

TUS - ONT

TUSONT

Tucson

Tue 4/14

6:35 pm-10:10 pm

1 stop3h 35m

Ontario

Tue 4/21

2:10 pm-5:30 pm

1 stop3h 20m

$295

TucsonOntario

TUS - ONT

TUSONT

Tucson

Tue 4/14

6:35 am-11:35 am

2 stops5h 00m

Ontario

Tue 4/21

4:30 pm-10:10 pm

1 stop5h 40m

$300

TucsonOntario

TUS - ONT

TUSONT

Tucson

Sat 4/18

11:00 am-3:35 pm

1 stop4h 35m

Ontario

Mon 4/20

5:30 am-9:00 am

1 stop3h 30m

$303

TucsonOntario

TUS - ONT

TUSONT

Tucson

Tue 4/14

6:35 am-1:00 pm

2 stops6h 25m

Ontario

Tue 4/21

3:30 pm-10:10 pm

2 stops6h 40m

$305

TucsonOntario

TUS - ONT

TUSONT

Tucson

Sat 4/18

4:15 pm-8:45 pm

1 stop4h 30m

Ontario

Mon 4/20

5:05 pm-10:50 pm

2 stops5h 45m

$308

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 33m

Direct flights

None
The fastest flight from Tucson to Ontario takes 3h 33m
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 33m 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
3,024 reviews
Search Frontier flights
American AirlinesPriceFrom $243Free CancellationRating
7.1
11,475 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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