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$58+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SLC
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$190
(Frontier)

One-way from

$58
(Trip.com)

Popular in

November

Cheapest in

September

Average price

$150

Good round-trip deal

$291 or less

Good one-way deal

$159 or less
Provider with most accurate pricing for Los Angeles-Salt Lake City flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Salt Lake City flights.
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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. 17% potential increase in price ($37 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 May 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 May 1, 2025.

This Frontier deal was found by Cheapflights users on 4/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1012:59 amONT - SLC
1 stop5h 38mFrontier
Thu 5/1510:46 pmSLC - ONT
1 stop9h 38mFrontier
Deal found 4/30$190
This Southwest deal was found by Cheapflights users on 4/30. 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.
Wed 5/2811:25 amONT - SLC
1 stop3h 50mSouthwest
Wed 6/43:50 pmSLC - ONT
1 stop5h 20mSouthwest
Deal found 4/30$193
This Delta deal was found by Cheapflights users on 5/1. 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.
Fri 6/131:15 pmONT - SLC
Nonstop1h 42mDelta
Sat 6/1411:30 amSLC - ONT
Nonstop1h 47mDelta
Deal found 5/1$239
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 6/116:00 amONT - SLC
1 stop7h 42mAlaska Airlines
Tue 6/177:50 pmSLC - ONT
1 stop5h 09mAlaska Airlines
Deal found 4/30$244
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Thu 5/226:00 amONT - SLC
1 stop5h 29mUnited Airlines
Sun 5/258:45 amSLC - ONT
1 stop4h 46mUnited Airlines
Deal found 4/30$279
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 10/41:34 pmONT - SLC
1 stop7h 01mAmerican Airlines
Sun 10/512:28 pmSLC - ONT
1 stop6h 23mAmerican Airlines
Deal found 4/30$289
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Fri 5/94:15 pmONT - SGU
1 stop5h 42mUnited Airlines
Fri 5/161:42 pmSGU - ONT
1 stop8h 11mUnited Airlines
Deal found 4/30$303
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/234:35 pmONT - SGU
1 stop6h 28mAmerican Airlines
Fri 5/307:25 pmSGU - ONT
1 stop3h 32mAmerican Airlines
Deal found 4/29$313
This Expedia deal was found by Cheapflights users on 4/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/812:59 amONT - SLC
1 stop5h 38mMultiple Airlines
Wed 5/141:55 pmSLC - ONT
2 stops11h 03mMultiple Airlines
Deal found 4/30$332
This Hawaiian Airlines deal was found by Cheapflights users on 4/30. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1511:30 amONT - SLC
1 stop7h 22mHawaiian Airlines
Sat 11/223:20 pmSLC - ONT
1 stop8h 17mHawaiian Airlines
Deal found 4/30$370
This Delta deal was found by Cheapflights users on 4/29. 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 5/141:10 pmONT - CDC
1 stop4h 09mDelta
Sun 5/189:31 amCDC - ONT
1 stop3h 44mDelta
Deal found 4/29$412
This Delta deal was found by Cheapflights users on 4/30. 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 5/66:00 amONT - SGU
1 stop5h 32mDelta
Wed 5/71:15 pmSGU - ONT
1 stop4h 02mDelta
Deal found 4/30$575

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 May 1, 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

Sat 5/10

12:59 am-7:37 am

1 stop5h 38m

Salt Lake City

Fri 5/16

2:57 pm-11:59 pm

1 stop10h 02m

$190

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Tue 7/1

3:50 pm-11:10 pm

1 stop6h 20m

Salt Lake City

Tue 7/15

5:15 am-8:55 am

1 stop4h 40m

$193

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Fri 6/6

1:10 pm-3:55 pm

Nonstop1h 45m

Salt Lake City

Mon 6/9

11:30 am-12:17 pm

Nonstop1h 47m

$239

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Wed 6/11

6:00 am-2:42 pm

1 stop7h 42m

Salt Lake City

Tue 6/17

7:50 pm-11:59 pm

1 stop5h 09m

$244

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Thu 5/22

6:00 am-12:29 pm

1 stop5h 29m

Salt Lake City

Sun 5/25

8:45 am-12:31 pm

1 stop4h 46m

$279

OntarioSaint George

ONT - SGU

ONTSGU

Ontario

Fri 5/23

4:35 pm-12:03 am

1 stop6h 28m

Saint George

Fri 5/30

7:25 pm-9:57 pm

1 stop3h 32m

$313

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Thu 5/22

1:14 pm-6:12 pm

1 stop3h 58m

Salt Lake City

Sun 5/25

8:27 am-11:50 am

1 stop4h 23m

$334

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Sat 5/10

6:47 pm-9:59 am

1 stop14h 12m

Salt Lake City

Mon 5/12

7:28 pm-9:16 am

2 stops14h 48m

$342

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Thu 9/11

6:00 am-2:35 pm

1 stop7h 35m

Salt Lake City

Wed 9/17

7:00 am-2:09 pm

1 stop8h 09m

$370

OntarioSaint George

ONT - SGU

ONTSGU

Ontario

Sun 8/3

5:05 am-1:09 pm

1 stop7h 04m

Saint George

Thu 8/7

1:48 pm-8:54 pm

1 stop8h 06m

$400

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 23 results
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2
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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 May 1, 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 May 1, 2025.

The most flights from ONT to USUT are scheduled on a Wednesday (9 on average). You will have fewer flight options on Thursday, 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 May 1, 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
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

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
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

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
4,294 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

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
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

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
2,409 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

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, 20 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 $86 on Frontier. Other airlines that offer cheap prices include Southwest from $97 and United Airlines from $102 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 SkyWest Airlines (100%), KLM (98%) or Aeromexico (97%) 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 $679, our data indicates the cheapest price to be $128. The most popular route (Ontario - Salt Lake City), is priced around $193.

  • 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.

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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 6 airlines flying from Ontario to Utah

Discover the top 6 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$33Average$104FlexibilityNo cancel feeOn-time65%
FrontierCheapest$47Average$119FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$111Average$170FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$159Average$407FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$198Average$304FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$236Average$314FlexibilityNo cancel feeOn-time63%

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