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$82+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SLC
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$202
(Cheapflightsfares)

One-way from

$82
(Trip.com)

Popular in

November

Cheapest in

September

Average price

$197

Good round-trip deal

$294 or less

Good one-way deal

$149 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. 12% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/16:00 amONT - SLC
1 stop3h 52mFrontier
Tue 9/95:26 pmSLC - ONT
1 stop4h 16mFrontier
Deal found 6/12$202
This Delta deal was found by Cheapflights users on 6/10. 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 7/191:15 pmONT - SLC
Nonstop1h 43mDelta
Mon 7/288:00 amSLC - ONT
Nonstop1h 47mDelta
Deal found 6/10$239
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 6/174:50 pmONT - SLC
1 stop3h 47mAmerican Airlines
Wed 6/2512:32 pmSLC - ONT
1 stop4h 41mAmerican Airlines
Deal found 6/10$259
This Southwest deal was found by Cheapflights users on 6/10. 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 7/86:45 amONT - SLC
1 stop8h 30mSouthwest
Tue 7/158:00 pmSLC - ONT
1 stop3h 50mSouthwest
Deal found 6/10$263
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Sat 7/51:19 pmONT - SLC
1 stop6h 58mUnited Airlines
Wed 7/94:44 pmSLC - ONT
1 stop7h 08mUnited Airlines
Deal found 6/10$267
This Delta deal was found by Cheapflights users on 6/10. 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.
Thu 7/101:15 pmONT - SGU
1 stop4h 20mDelta
Wed 7/169:00 amSGU - ONT
1 stop4h 14mDelta
Deal found 6/10$323
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/236:00 amONT - SLC
1 stop7h 35mAlaska Airlines
Mon 8/253:35 pmSLC - ONT
2 stops9h 24mAlaska Airlines
Deal found 6/10$340
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 9/196:10 amONT - SGU
1 stop27h 48mAmerican Airlines
Sun 9/217:00 pmSGU - ONT
1 stop48h 11mAmerican Airlines
Deal found 6/11$348
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 7/95:05 amONT - SGU
1 stop16h 52mUnited Airlines
Wed 7/161:48 pmSGU - ONT
1 stop8h 06mUnited Airlines
Deal found 6/11$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 June 12, 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

Mon 9/1

6:00 am-10:52 am

1 stop3h 52m

Salt Lake City

Tue 9/9

5:26 pm-8:42 pm

1 stop4h 16m

$202

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Sat 7/19

6:00 am-8:49 am

Nonstop1h 49m

Salt Lake City

Sun 7/27

8:00 am-8:47 am

Nonstop1h 47m

$239

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Tue 7/8

6:45 am-4:15 pm

1 stop8h 30m

Salt Lake City

Tue 7/15

8:00 pm-10:50 pm

1 stop3h 50m

$263

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Sat 7/5

1:19 pm-9:17 pm

1 stop6h 58m

Salt Lake City

Wed 7/9

4:44 pm-10:52 pm

1 stop7h 08m

$267

OntarioSaint George

ONT - SGU

ONTSGU

Ontario

Thu 7/10

1:15 pm-6:35 pm

1 stop4h 20m

Saint George

Wed 7/16

9:00 am-12:14 pm

1 stop4h 14m

$323

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Sat 11/15

6:00 am-1:04 pm

1 stop6h 04m

Salt Lake City

Sat 11/22

3:20 pm-10:37 pm

1 stop8h 17m

$324

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Sat 8/23

6:00 am-2:35 pm

1 stop7h 35m

Salt Lake City

Mon 8/25

3:35 pm-11:59 pm

2 stops9h 24m

$340

OntarioSaint George

ONT - SGU

ONTSGU

Ontario

Fri 9/19

6:10 am-10:58 am

1 stop27h 48m

Saint George

Sun 9/21

7:00 pm-6:11 pm

1 stop48h 11m

$348

OntarioSaint George

ONT - SGU

ONTSGU

Ontario

Wed 7/9

5:05 am-10:57 pm

1 stop16h 52m

Saint George

Wed 7/16

1:48 pm-8:54 pm

1 stop8h 06m

$497

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Tue 9/23

8:00 am-4:39 pm

1 stop7h 39m

$82

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 20 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 June 12, 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 June 12, 2025.

The most flights from ONT to USUT are scheduled on a Monday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Utah by month

Plan your trip to Utah by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Utah ranges from 0.6 - 2.0 inches per month. April is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Utah when rainfall is around 0.6 in.

Temperature in Utah by month

Plan your trip to Utah by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Utah, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 June 12, 2025.
To help decide which airline to fly from Ontario to Utah, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $82 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 Virgin Atlantic (99%), SkyWest Airlines (98%) or Aeromexico (98%) 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 $1,206, our data indicates the cheapest price to be $108. The most popular route (Ontario - Salt Lake City), is priced around $210.

  • 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

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Ontario to Utah

Discover the top 5 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$33Average$104FlexibilityNo cancel feeOn-time65%
FrontierCheapest$48Average$124FlexibilityNo cancel feeOn-time62%
DeltaCheapest$159Average$409FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$198Average$362FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$236Average$315FlexibilityNo cancel feeOn-time63%

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