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Cheap flights from Tucson to Los Angeles from $71

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 9/25. 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

Frontier Logo
11:35 am - 7:54 pmTUS-ONT
8h 19m1 stop
Frontier Logo
6:00 am - 1:51 pmONT-TUS
7h 51m1 stop
$149Frontier
Find Deal
Thu, Sep 25 - Mon, Sep 29
Frontier Logo
11:32 am - 11:50 pmTUS-ONT
12h 18m1 stop
Frontier Logo
5:00 am - 12:35 pmONT-TUS
6h 35m1 stop
$154Frontier
Find Deal
Thu, Oct 30 - Sun, Nov 2
Frontier Logo
12:24 pm - 10:05 pmTUS-ONT
9h 41m1 stop
Frontier Logo
6:05 am - 11:39 amONT-TUS
5h 34m1 stop
$155Frontier
Find Deal
Fri, Oct 10 - Fri, Oct 17
Southwest Logo
5:40 am - 10:10 amTUS-ONT
4h 30m1 stop
Southwest Logo
2:10 pm - 8:20 pmONT-TUS
6h 10m1 stop
$184Southwest
Find Deal
Wed, Oct 1 - Wed, Oct 1
Southwest Logo
5:45 pm - 9:25 pmTUS-ONT
3h 40m1 stop
Southwest Logo
6:00 am - 12:55 pmONT-TUS
6h 55m2 stops
$194Southwest
Find Deal
Wed, Oct 8 - Wed, Oct 15
American Airlines Logo
2:59 pm - 6:35 pmTUS-ONT
3h 36m1 stop
American Airlines Logo
12:55 pm - 5:08 pmONT-TUS
3h 13m1 stop
$212American Airlines
Find Deal
Tue, Oct 28 - Wed, Nov 5
American Airlines Logo
10:15 am - 3:24 pmTUS-ONT
5h 09m1 stop
American Airlines Logo
6:15 am - 9:41 amONT-TUS
3h 26m1 stop
$213American Airlines
Find Deal
Wed, Oct 8 - Wed, Oct 15
Delta Logo
4:50 pm - 11:42 pmTUS-ONT
6h 52m1 stop
Delta Logo
6:00 am - 10:33 amONT-TUS
4h 33m1 stop
$216Delta
Find Deal
Thu, Oct 2 - Tue, Oct 21
United Airlines Logo
6:00 am - 12:51 pmTUS-ONT
6h 51m1 stop
United Airlines Logo
1:15 pm - 8:25 pmONT-TUS
7h 10m1 stop
$276United Airlines
Find Deal
Wed, Oct 15 - Thu, Oct 16
United Airlines Logo
2:40 pm - 9:07 pmTUS-ONT
7h 27m1 stop
United Airlines Logo
5:05 am - 1:38 pmONT-TUS
7h 33m1 stop
$279United Airlines
Find Deal
Mon, Dec 22 - Thu, Dec 25

Frontier flights from Tucson to Ontario

Our best Frontier deals on Tucson to Ontario flight tickets
Frontier
Sep 25
TUS11:35 amTucson
8h 19m
1 stop
ONT7:54 pmOntario
Sep 29
ONT6:00 amOntario
7h 51m
1 stop
TUS1:51 pmTucson
$149
Find similar
Frontier
Oct 30
TUS11:32 amTucson
12h 18m
1 stop
ONT11:50 pmOntario
Nov 2
ONT5:00 amOntario
6h 35m
1 stop
TUS12:35 pmTucson
$154
Find similar
Frontier
Oct 10
TUS12:24 pmTucson
9h 41m
1 stop
ONT10:05 pmOntario
Oct 17
ONT6:05 amOntario
5h 34m
1 stop
TUS11:39 amTucson
$155
Find similar

Southwest flights from Tucson to Ontario

Our best Southwest deals on Tucson to Ontario flight tickets
Southwest
Oct 1
TUS5:40 amTucson
4h 30m
1 stop
ONT10:10 amOntario
Oct 1
ONT2:10 pmOntario
6h 10m
1 stop
TUS8:20 pmTucson
$184
Find similar
Southwest
Oct 8
TUS5:45 pmTucson
3h 40m
1 stop
ONT9:25 pmOntario
Oct 15
ONT6:00 amOntario
6h 55m
2 stops
TUS12:55 pmTucson
$194
Find similar
Southwest
Oct 1
TUS5:40 amTucson
7h 30m
2 stops
ONT1:10 pmOntario
Oct 1
ONT2:10 pmOntario
6h 10m
1 stop
TUS8:20 pmTucson
$204
Find similar

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 September 11, 2025.
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

Thu 9/25

11:35 am-7:54 pm

1 stop8h 19m

Ontario

Mon 9/29

6:00 am-1:51 pm

1 stop7h 51m

$149

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 10/30

11:32 am-11:50 pm

1 stop12h 18m

Ontario

Sun 11/2

5:00 am-12:35 pm

1 stop6h 35m

$154

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 10/10

12:24 pm-10:05 pm

1 stop9h 41m

Ontario

Fri 10/17

6:05 am-11:39 am

1 stop5h 34m

$155

TucsonOntario

TUS - ONT

TUSONT

Tucson

Wed 10/1

5:40 am-10:10 am

1 stop4h 30m

Ontario

Wed 10/1

2:10 pm-8:20 pm

1 stop6h 10m

$184

TucsonOntario

TUS - ONT

TUSONT

Tucson

Wed 10/8

5:45 pm-9:25 pm

1 stop3h 40m

Ontario

Wed 10/15

6:00 am-12:55 pm

2 stops6h 55m

$194

TucsonOntario

TUS - ONT

TUSONT

Tucson

Tue 10/28

2:59 pm-6:35 pm

1 stop3h 36m

Ontario

Wed 11/5

12:55 pm-5:08 pm

1 stop3h 13m

$212

TucsonOntario

TUS - ONT

TUSONT

Tucson

Wed 10/8

10:15 am-3:24 pm

1 stop5h 09m

Ontario

Wed 10/15

6:15 am-9:41 am

1 stop3h 26m

$213

TucsonOntario

TUS - ONT

TUSONT

Tucson

Thu 10/2

4:50 pm-11:42 pm

1 stop6h 52m

Ontario

Tue 10/21

6:00 am-10:33 am

1 stop4h 33m

$216

TucsonOntario

TUS - ONT

TUSONT

Tucson

Wed 10/15

6:00 am-12:51 pm

1 stop6h 51m

Ontario

Thu 10/16

1:15 pm-8:25 pm

1 stop7h 10m

$276

TucsonOntario

TUS - ONT

TUSONT

Tucson

Mon 12/22

2:40 pm-9:07 pm

1 stop7h 27m

Ontario

Thu 12/25

5:05 am-1:38 pm

1 stop7h 33m

$279

Flights are sorted by cheapest round-trip flights 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, June 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 $269. If you aren’t able to travel during the month of June, then book flights to Ontario from Tucson during April instead. Flights to Ontario in April, while not as cheap as those in June, still average around $286.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Thursday when prices can be found for as low as $303. This is often the case because there is less demand to fly during this day of the week. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Tucson to Ontario for around $478.

What is the cheapest time of day to depart on your flight to Ontario?

In the afternoon is the cheapest time of day to fly from Tucson to Ontario when you can find flight prices for as low as $335. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $380 on average. Flights to Ontario from Tucson in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

How have Tucson to Ontario flight prices changed over time?

As of September 2025, prices for Tucson to Ontario flights are approximately 32% more expensive 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

Direct flights

None
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 15m 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 $110Free CancellationRating
5.8
3,177 reviews
Search Frontier flights
American AirlinesPriceFrom $243Free CancellationRating
7.2
10,000 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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