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$52+ Cheap flights from Ontario (ONT) to Utah

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SLC
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Ontario to Utah

Keep the following information in mind while searching for Ontario to Utah flight deals. Data was last updated July 3, 2025.

Round-trip from

$236
(Orbitz)

One-way from

$52
(Trip.com)

Popular in

November

Cheapest in

September

Average price

$166

Good round-trip deal

$282 or less

Good one-way deal

$199 or less
From Ontario to Utah
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One-way flight from Ontario to Utah
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Highest demand for flights based on searches. 11% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Ontario to Utah.
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Price to beat on a one-way flight from Ontario to Utah.
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Find flight deals from Ontario to Utah

Cheapest flights from Ontario to Utah
Explore the most affordable flight options available from Ontario to Utah. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Orbitz deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1212:59 amONT - SLC
1 stop11h 10mFrontier
Tue 7/158:05 amSLC - ONT
2 stops14h 47mFrontier
Deal found 7/2$236
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/91:15 pmONT - SLC
Nonstop1h 43mDelta
Tue 8/1210:55 pmSLC - ONT
Nonstop1h 45mDelta
Deal found 7/3$239
This Southwest deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/299:00 amONT - SLC
1 stop6h 45mSouthwest
Tue 8/56:25 pmSLC - ONT
1 stop3h 20mSouthwest
Deal found 7/1$256
This American Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/16:17 amONT - SLC
1 stop4h 13mAmerican Airlines
Tue 9/912:12 pmSLC - ONT
1 stop7h 04mAmerican Airlines
Deal found 7/2$259
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:10 amONT - SGU
1 stop3h 48mAmerican Airlines
Wed 9/177:30 amSGU - ONT
1 stop5h 26mAmerican Airlines
Deal found 7/1$276
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/295:09 pmONT - SGU
1 stop3h 41mDelta
Tue 8/59:00 amSGU - ONT
1 stop4h 14mDelta
Deal found 7/1$283
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/231:15 pmONT - CDC
1 stop3h 59mDelta
Wed 7/309:25 amCDC - ONT
1 stop3h 49mDelta
Deal found 7/3$312
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/296:28 pmONT - SGU
1 stop14h 28mUnited Airlines
Tue 8/51:48 pmSGU - ONT
1 stop8h 06mUnited Airlines
Deal found 7/1$497

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Utah 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, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
Use the filters below to find and compare flights from Ontario to Utah that are best for you.

Fly from

Ontario

Fly to

Utah

Route

Depart

Return

Price

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Fri 7/25

12:59 am-11:23 am

1 stop9h 24m

Salt Lake City

Sun 8/3

7:44 pm-9:13 am

2 stops14h 29m

$236

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Sat 8/9

1:15 pm-3:58 pm

Nonstop1h 43m

Salt Lake City

Tue 8/12

10:55 pm-11:40 pm

Nonstop1h 45m

$239

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Sun 8/24

7:15 am-2:30 pm

2 stops6h 15m

Salt Lake City

Tue 8/26

3:35 pm-8:45 pm

2 stops6h 10m

$252

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Mon 9/1

6:17 am-11:30 am

1 stop4h 13m

Salt Lake City

Tue 9/9

12:12 pm-6:16 pm

1 stop7h 04m

$259

OntarioSaint George

ONT - SGU

ONTSGU

Ontario

Wed 9/10

6:10 am-10:58 am

1 stop3h 48m

Saint George

Wed 9/17

7:30 am-11:56 am

1 stop5h 26m

$276

OntarioSaint George

ONT - SGU

ONTSGU

Ontario

Tue 7/29

5:09 pm-9:50 pm

1 stop3h 41m

Saint George

Tue 8/5

9:00 am-12:14 pm

1 stop4h 14m

$283

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Tue 8/12

5:05 am-1:17 pm

1 stop7h 12m

Salt Lake City

Thu 8/14

12:20 pm-5:43 pm

1 stop6h 23m

$295

OntarioCedar City

ONT - CDC

ONTCDC

Ontario

Wed 7/23

1:15 pm-6:14 pm

1 stop3h 59m

Cedar City

Wed 7/30

9:25 am-12:14 pm

1 stop3h 49m

$312

OntarioSaint George

ONT - SGU

ONTSGU

Ontario

Tue 7/29

6:28 pm-9:56 am

1 stop14h 28m

Saint George

Tue 8/5

1:48 pm-8:54 pm

1 stop8h 06m

$497

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Mon 8/4

9:47 pm-7:24 pm

1 stop20h 37m

$52

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 16 results
1
2

Best time to book a flight from Ontario to Utah

Have a flexible travel schedule? Discover the best time to fly to Utah from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Utah

What is the cheapest month to book a flight from Ontario to Utah?

Currently, October is the cheapest month in which you can book a flight from Ontario to Utah (average of $277). Flying from Ontario to Utah in March is currently the most expensive (average of $417). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to UT?

Find hourly flight availability from Ontario to Utah. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Utah as you normally would.

Weekly flight availability from Ontario to Utah

Explore weekly flight availability from Ontario to Utah. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 3, 2025.

The most flights from ONT to USUT are scheduled on a Wednesday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Utah

Get insights into the airlines that provide service to Utah. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Utah. Reviews last updated July 3, 2025.
Read through reviews of airlines operating flights from Ontario to Utah, such as Southwest, Delta, and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,270 reviews

Crew

8.6

Food

7.0

Entertainment

7.6

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.0
Very good
4,270 reviews
Southwest
8.0
Very good
4,270 reviews

Crew

8.6

Food

7.0

Entertainment

7.6

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,970 reviews
Southwest
8.0
Very good
4,270 reviews

Crew

8.6

Food

7.0

Entertainment

7.6

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,845 reviews
Southwest
8.0
Very good
4,270 reviews

Crew

8.6

Food

7.0

Entertainment

7.6

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,270 reviews

Crew

8.6

Food

7.0

Entertainment

7.6

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Frontier
5.9
Fair
3,284 reviews
Southwest
8.0
Very good
4,270 reviews

Crew

8.6

Food

7.0

Entertainment

7.6

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Utah. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to Utah?

    Located just 3.1 mi from the city center, Ontario (ONT) is the airport most travelers will use when flying to Utah from Ontario.

  • How popular is this Ontario to Utah flight route?

    Within the past month, 10 users have taken a look at flights from Ontario to Utah.

  • What are the cheapest airlines to fly from Ontario to Utah one-way?

    One-way options have recently been found by users for as low as $52 on Frontier. Other airlines that offer cheap prices include United Airlines from $113 and Southwest from $118 one-way.

  • What are the most popular routes from Ontario to Utah?

    When deciding which route to take from Ontario to Utah consider Ontario - Salt Lake City, Ontario - Saint George or Ontario - Cedar City as they are the most popular.

  • What are the most reliable airlines from Ontario to Utah?

    Consider Air France (98%), SkyWest Airlines (97%) or Virgin Atlantic (95%) when booking your flight. These represent the most reliable airlines when flying from Ontario to Utah.

  • What are the cheapest flights from Ontario to Utah?

    Looking for the cheapest flight from Ontario to Utah? While on average our users pay $512, our data indicates the cheapest price to be $133. The most popular route (Ontario - Salt Lake City), is priced around $191.

  • Can I find deals for flights from Ontario to Utah that include hotel bookings?

    Yes. In addition to deals on Ontario to Utah flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Utah?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Utah.

  • Can I find deals for business class flights from Ontario to Utah?

    Yes. Cheapflights offers flight deals from Ontario to Utah by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Utah?

    Currently, October is the cheapest month in which you can book a flight from Ontario to Utah (average of $277). Flying from Ontario to Utah in March is currently the most expensive (average of $417). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Ontario to Utah

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Top 4 airlines flying from Ontario to Utah

Discover the top 4 airlines that operate flights from Ontario to Utah. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$49Average$133FlexibilityNo cancel feeOn-time62%
DeltaCheapest$170Average$302FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$198Average$362FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$236Average$315FlexibilityNo cancel feeOn-time63%

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