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$79+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SLC
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$237
(American Airlines)

One-way from

$79
(Cheapflightsfares)

Popular in

November

Cheapest in

May

Average price

$196

Good round-trip deal

$287 or less

Good one-way deal

$156 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. 18% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This American Airlines deal was found by Cheapflights users on 3/27. 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 4/196:15 amONT - SLC
1 stop4h 17mAmerican Airlines
Tue 4/2211:59 amSLC - ONT
1 stop5h 00mAmerican Airlines
Deal found 3/27$237
This Southwest deal was found by Cheapflights users on 3/26. 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.
Thu 6/1210:45 amONT - SLC
1 stop5h 30mSouthwest
Mon 6/168:30 pmSLC - ONT
1 stop4h 00mSouthwest
Deal found 3/26$238
This Delta deal was found by Cheapflights users on 3/27. 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 6/121:15 pmONT - SLC
Nonstop1h 43mDelta
Tue 6/178:00 amSLC - ONT
Nonstop1h 50mDelta
Deal found 3/27$239
This Justfly.com deal was found by Cheapflights users on 3/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/112:59 amONT - SLC
1 stop16h 40mFrontier
Thu 4/38:55 pmSLC - ONT
1 stop13h 27mFrontier
Deal found 3/27$241
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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.
Tue 5/1311:46 amONT - SLC
1 stop8h 08mAlaska Airlines
Tue 5/203:37 pmSLC - ONT
1 stop8h 09mAlaska Airlines
Deal found 3/27$264
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Thu 5/87:25 pmONT - SGU
1 stop46h 28mAmerican Airlines
Wed 5/217:25 pmSGU - ONT
1 stop23h 58mAmerican Airlines
Deal found 3/27$324
This United Airlines deal was found by Cheapflights users on 3/27. 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 6/121:33 pmONT - SLC
1 stop7h 28mUnited Airlines
Sun 6/154:39 pmSLC - ONT
1 stop7h 06mUnited Airlines
Deal found 3/27$343
This Hawaiian Airlines deal was found by Cheapflights users on 3/27. 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.
Wed 10/111:39 amONT - SLC
1 stop5h 51mHawaiian Airlines
Wed 10/17:47 pmSLC - ONT
1 stop5h 12mHawaiian Airlines
Deal found 3/27$365
This Delta deal was found by Cheapflights users on 3/26. 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 4/101:30 pmONT - CDC
1 stop3h 55mDelta
Mon 4/147:05 pmCDC - ONT
1 stop5h 36mDelta
Deal found 3/26$412
This Travelocity deal was found by Cheapflights users on 3/26. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/912:59 amONT - SLC
1 stop5h 55mMultiple Airlines
Sun 4/138:20 amSLC - ONT
2 stops16h 39mMultiple Airlines
Deal found 3/26$457
This Delta deal was found by Cheapflights users on 3/28. 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 4/106:00 amONT - SGU
1 stop3h 45mDelta
Sat 4/129:10 amSGU - ONT
1 stop4h 16mDelta
Deal found 3/28$496
This United Airlines deal was found by Cheapflights users on 3/28. 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 4/121:35 pmONT - SGU
1 stop19h 22mUnited Airlines
Wed 4/165:05 amSGU - ONT
1 stop16h 37mUnited Airlines
Deal found 3/28$553

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 March 28, 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 4/19

6:15 am-11:32 am

1 stop4h 17m

Salt Lake City

Tue 4/22

11:59 am-3:59 pm

1 stop5h 00m

$237

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Thu 6/12

10:45 am-5:15 pm

1 stop5h 30m

Salt Lake City

Mon 6/16

8:30 pm-11:30 pm

1 stop4h 00m

$238

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Thu 6/12

1:15 pm-3:58 pm

Nonstop1h 43m

Salt Lake City

Tue 6/17

8:00 am-8:50 am

Nonstop1h 50m

$239

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Tue 4/1

12:59 am-6:39 pm

1 stop16h 40m

Salt Lake City

Thu 4/3

8:55 pm-9:22 am

1 stop13h 27m

$241

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Tue 5/13

11:46 am-8:54 pm

1 stop8h 08m

Salt Lake City

Tue 5/20

3:37 pm-10:46 pm

1 stop8h 09m

$264

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Tue 6/10

5:10 am-1:17 pm

1 stop7h 07m

Salt Lake City

Sun 6/15

4:39 pm-10:45 pm

1 stop7h 06m

$308

OntarioSaint George

ONT - SGU

ONTSGU

Ontario

Thu 5/8

7:25 pm-6:53 pm

1 stop46h 28m

Saint George

Wed 5/21

7:25 pm-6:23 pm

1 stop23h 58m

$324

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Wed 4/9

12:59 am-7:54 am

1 stop5h 55m

Salt Lake City

Sat 4/12

8:20 am-11:59 pm

2 stops16h 39m

$457

OntarioSaint George

ONT - SGU

ONTSGU

Ontario

Thu 4/10

6:00 am-10:45 am

1 stop3h 45m

Saint George

Sat 4/12

9:10 am-12:26 pm

1 stop4h 16m

$496

OntarioSaint George

ONT - SGU

ONTSGU

Ontario

Sat 4/12

1:35 pm-9:57 am

1 stop19h 22m

Saint George

Wed 4/16

5:05 am-8:42 pm

1 stop16h 37m

$553

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 22 results
1
2
3

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 March 28, 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 March 28, 2025.

The most flights from ONT to USUT are scheduled on a Friday (7 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 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 March 28, 2025.
To help decide which airline to fly from Ontario to Utah, see what other customers have to say about Southwest, Alaska Airlines and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Overall

8.1

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
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Overall

8.1

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
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Hawaiian Airlines
7.9
Good
2,336 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Overall

8.1

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
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Overall

8.1

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, 41 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 $79 on Frontier. Other airlines that offer cheap prices include Southwest from $109 and Hawaiian Airlines from $132 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 (98%), Aeromexico (97%) or Air France (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 $461, our data indicates the cheapest price to be $132. The most popular route (Ontario - Salt Lake City), is priced around $180.

  • 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$33Average$105FlexibilityNo cancel feeOn-time65%
FrontierCheapest$43Average$110FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$111Average$155FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$138Average$405FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$198Average$370FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$237Average$317FlexibilityNo cancel feeOn-time63%
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