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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 9/22. 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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Find the cheapest flights from Tucson to Los Angeles

Cheap round-trip flights

Frontier Logo
2:41 pm - 9:55 pmTUS-ONT
7h 14m1 stop
Frontier Logo
6:05 am - 11:39 amONT-TUS
5h 34m1 stop
$144Frontier
Find Deal
Fri, Oct 3 - Mon, Oct 13
Frontier Logo
12:24 pm - 10:05 pmTUS-ONT
9h 41m1 stop
Frontier Logo
6:44 pm - 11:39 amONT-TUS
16h 55m1 stop
$154Frontier
Find Deal
Fri, Oct 10 - Sun, Oct 12
Delta Logo
4:47 pm - 9:20 pmTUS-ONT
4h 33m1 stop
Delta Logo
6:00 am - 10:33 amONT-TUS
4h 33m1 stop
$257Delta
Find Deal
Sat, Oct 25 - Sat, Nov 1
Delta Logo
5:55 am - 5:10 pmTUS-ONT
11h 15m2 stops
Delta Logo
6:00 am - 11:33 amONT-TUS
4h 33m1 stop
$262Delta
Find Deal
Sat, Oct 25 - Tue, Nov 4
Southwest Logo
5:10 am - 12:20 pmTUS-ONT
7h 10m2 stops
Southwest Logo
2:30 pm - 9:30 pmONT-TUS
7h 00m2 stops
$267Southwest
Find Deal
Wed, Oct 15 - Wed, Oct 22
Southwest Logo
5:35 am - 10:05 amTUS-ONT
4h 30m1 stop
Southwest Logo
10:15 am - 8:55 pmONT-TUS
9h 40m2 stops
$268Southwest
Find Deal
Fri, Oct 31 - Tue, Nov 4
United Airlines Logo
7:15 am - 12:13 pmTUS-ONT
4h 58m1 stop
United Airlines Logo
9:36 am - 2:18 pmONT-TUS
4h 42m1 stop
$317United Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
American Airlines Logo
2:59 pm - 6:35 pmTUS-ONT
3h 36m1 stop
American Airlines Logo
10:09 am - 1:07 pmONT-TUS
2h 58m1 stop
$318American Airlines
Find Deal
Sat, Oct 11 - Mon, Oct 13
American Airlines Logo
1:37 pm - 6:35 pmTUS-ONT
4h 58m1 stop
American Airlines Logo
1:00 pm - 6:04 pmONT-TUS
5h 04m1 stop
$326American Airlines
Find Deal
Sat, Oct 11 - Sun, Oct 12
United Airlines Logo
1:40 pm - 8:44 pmTUS-ONT
7h 04m1 stop
United Airlines Logo
6:00 am - 10:40 amONT-TUS
4h 40m1 stop
$340United Airlines
Find Deal
Wed, Oct 29 - Thu, Oct 30

Southwest flights from Tucson to Ontario

Our best Southwest deals on Tucson to Ontario flight tickets
Southwest
Oct 15
TUS5:10 amTucson
7h 10m
2 stops
ONT12:20 pmOntario
Oct 22
ONT2:30 pmOntario
7h 00m
2 stops
TUS9:30 pmTucson
$267
Find similar
Southwest
Oct 31
TUS5:35 amTucson
4h 30m
1 stop
ONT10:05 amOntario
Nov 4
ONT10:15 amOntario
9h 40m
2 stops
TUS8:55 pmTucson
$268
Find similar
Southwest
Oct 31
TUS6:00 amTucson
7h 10m
2 stops
ONT1:10 pmOntario
Nov 4
ONT10:15 amOntario
9h 40m
2 stops
TUS8:55 pmTucson
$303
Find similar

Frontier flights from Tucson to Ontario

Our best Frontier deals on Tucson to Ontario flight tickets
Frontier
Sep 28
TUS11:35 amTucson
8h 24m
1 stop
ONT7:59 pmOntario
Sep 29
ONT6:00 amOntario
7h 51m
1 stop
TUS1:51 pmTucson
$144
Find similar
Frontier
Oct 10
TUS12:24 pmTucson
9h 41m
1 stop
ONT10:05 pmOntario
Oct 12
ONT6:44 pmOntario
16h 55m
1 stop
TUS11:39 amTucson
$154
Find similar
Frontier
Oct 2
TUS11:35 amTucson
20h 18m
1 stop
ONT7:53 amOntario
Oct 4
ONT8:59 pmOntario
13h 46m
1 stop
TUS10:45 amTucson
$156
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 17, 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

Fri 10/3

2:41 pm-9:55 pm

1 stop7h 14m

Ontario

Mon 10/13

6:05 am-11:39 am

1 stop5h 34m

$144

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 10/10

12:24 pm-10:05 pm

1 stop9h 41m

Ontario

Sun 10/12

6:44 pm-11:39 am

1 stop16h 55m

$154

TucsonOntario

TUS - ONT

TUSONT

Tucson

Sat 10/25

4:47 pm-9:20 pm

1 stop4h 33m

Ontario

Sat 11/1

6:00 am-10:33 am

1 stop4h 33m

$257

TucsonOntario

TUS - ONT

TUSONT

Tucson

Sat 10/25

5:55 am-5:10 pm

2 stops11h 15m

Ontario

Tue 11/4

6:00 am-11:33 am

1 stop4h 33m

$262

TucsonOntario

TUS - ONT

TUSONT

Tucson

Wed 10/15

5:10 am-12:20 pm

2 stops7h 10m

Ontario

Wed 10/22

2:30 pm-9:30 pm

2 stops7h 00m

$267

TucsonOntario

TUS - ONT

TUSONT

Tucson

Fri 10/31

5:35 am-10:05 am

1 stop4h 30m

Ontario

Tue 11/4

10:15 am-8:55 pm

2 stops9h 40m

$268

TucsonOntario

TUS - ONT

TUSONT

Tucson

Tue 10/14

7:15 am-12:13 pm

1 stop4h 58m

Ontario

Tue 10/21

9:36 am-2:18 pm

1 stop4h 42m

$317

TucsonOntario

TUS - ONT

TUSONT

Tucson

Sat 10/11

2:59 pm-6:35 pm

1 stop3h 36m

Ontario

Mon 10/13

10:09 am-1:07 pm

1 stop2h 58m

$318

TucsonOntario

TUS - ONT

TUSONT

Tucson

Sat 10/11

1:37 pm-6:35 pm

1 stop4h 58m

Ontario

Sun 10/12

1:00 pm-6:04 pm

1 stop5h 04m

$326

TucsonOntario

TUS - ONT

TUSONT

Tucson

Wed 10/29

1:40 pm-8:44 pm

1 stop7h 04m

Ontario

Thu 10/30

6:00 am-10:40 am

1 stop4h 40m

$340

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 31% 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

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 2h 59m 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
3,173 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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