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$57+ Cheap flights from Utah to Ontario (ONT)

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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — ONT
giu 10 — giu 171
mer 6/10
mer 6/17
1 adult, Economy
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Cheap flight deals from Utah to Ontario

Cheapest flights from Utah to Ontario
Explore the most affordable flight options available from Utah to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on maggio 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar 6/231:50 pm
SLC
-
ONT
1 stop7h 01m
Frontier
mar 6/303:34 pm
ONT
-
SLC
1 stop17h 01m
Frontier
Deal found 5/10$112
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar 6/21:32 pm
SLC
-
ONT
1 stop7h 00m
Frontier
mer 6/34:39 pm
ONT
-
SLC
1 stop15h 51m
Frontier
Deal found 5/10$115
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun 6/221:50 pm
SLC
-
ONT
1 stop26h 18m
Frontier
mar 6/303:34 pm
ONT
-
SLC
1 stop17h 01m
Frontier
Deal found 5/7$123
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 5/311:32 pm
SLC
-
ONT
1 stop26h 37m
Frontier
mer 6/34:39 pm
ONT
-
SLC
1 stop15h 51m
Frontier
Deal found 5/8$124
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer 6/241:50 pm
SLC
-
ONT
1 stop7h 01m
Frontier
mar 6/303:34 pm
ONT
-
SLC
1 stop17h 01m
Frontier
Deal found 5/10$147
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven 5/291:32 pm
SLC
-
ONT
1 stop19h 32m
Frontier
lun 6/13:30 pm
ONT
-
SLC
1 stop17h 00m
Frontier
Deal found 5/7$157
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer 6/101:50 pm
SLC
-
ONT
1 stop7h 01m
Frontier
mar 6/161:33 pm
ONT
-
SLC
1 stop19h 02m
Frontier
Deal found 5/8$159
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
gio 6/41:32 pm
SLC
-
ONT
1 stop7h 00m
Frontier
dom 6/73:30 pm
ONT
-
SLC
1 stop17h 00m
Frontier
Deal found 5/6$165
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar 6/21:32 pm
SLC
-
ONT
1 stop7h 00m
Frontier
ven 6/53:30 pm
ONT
-
SLC
1 stop17h 00m
Frontier
Deal found 5/7$166
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar 6/231:50 pm
SLC
-
ONT
1 stop7h 01m
Frontier
lun 6/293:34 pm
ONT
-
SLC
1 stop17h 01m
Frontier
Deal found 5/10$169

Find flight deals from Utah to Ontario

Keep the following information in mind while searching for Utah to Ontario flight deals. Data was last updated maggio 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$112
(Kiwi.com)

One-way from

$57
(WAYA)

Popular in

June

Cheapest in

September

Average price

$187

Good round-trip deal

$339 or less

Good one-way deal

$254 or less
Provider with most accurate pricing for Salt Lake City-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Salt Lake City-Los Angeles flights.
Search Deals
From Utah to Ontario
Search Deals
One-way flight from Utah to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Utah to Ontario.
Search Deals
Price to beat on a one-way flight from Utah to Ontario.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Utah 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, Cheapflights users made 2,558,603 searches. Data last updated maggio 11, 2026.
Use the filters below to find and compare flights from Utah to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

sab 8/8

9:15 pm-10:05 pm

Nonstop1h 50m

Ontario

lun 8/17

9:43 am-12:31 pm

Nonstop1h 48m

$339

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

sab 8/8

9:15 pm-10:05 pm

Nonstop1h 50m

Ontario

dom 8/16

12:55 pm-3:43 pm

Nonstop1h 48m

$339

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

ven 8/7

10:45 pm-11:34 pm

Nonstop1h 49m

Ontario

sab 8/15

12:55 pm-3:43 pm

Nonstop1h 48m

$339
Quickest round-trip

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

lun 8/10

8:01 am-8:48 am

Nonstop1h 47m

Ontario

dom 8/16

9:43 am-12:31 pm

Nonstop1h 48m

$339

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

gio 7/16

8:00 am-8:47 am

Nonstop1h 47m

Ontario

sab 7/25

5:10 pm-8:03 pm

Nonstop1h 53m

$339

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

gio 7/2

11:19 am-12:10 pm

Nonstop1h 51m

Ontario

lun 7/6

5:21 pm-8:17 pm

Nonstop1h 56m

$339

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

ven 11/6

8:10 am-9:07 am

Nonstop1h 57m

Ontario

lun 11/9

6:00 am-8:51 am

Nonstop1h 51m

$339

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

mar 7/7

5:20 pm-10:43 pm

1 stop6h 23m

Ontario

lun 7/13

5:10 pm-8:03 pm

Nonstop1h 53m

$349

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

sab 8/8

9:15 pm-10:05 pm

Nonstop1h 50m

Ontario

sab 8/15

6:00 am-8:48 am

Nonstop1h 48m

$349

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

gio 7/23

10:59 pm-11:48 pm

Nonstop1h 49m

Ontario

lun 7/27

5:10 pm-8:03 pm

Nonstop1h 53m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/10

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Utah to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Utah 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 Utah to Ontario

How far ahead should I book a flight from Utah to Ontario?

The price you pay for your flight from Utah to Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 66 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, December is the cheapest month in which you can book a flight from Utah to Ontario (average of $49). Flying from Utah to Ontario in June is currently the most expensive (average of $183). 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 UT to ONT?

Find hourly flight availability from Utah to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated maggio 11, 2026.

It’s typically best to fly out from Utah to Ontario at noon. Doing so could potentially save you 71% on the flight price compared to flying in the afternoon, which is usually more expensive.

Weekly flight availability from Utah to Ontario

Explore weekly flight availability from Utah to Ontario. 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 maggio 11, 2026.

The most flights from USUT to ONT are scheduled on a Sunday (12 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (6 on average).

How much does it cost to fly round-trip from Utah to Ontario?

Related info for your journey

Find useful and relevant information for your journey from Utah to Ontario. 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 into for flights to Ontario from Utah?

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

  • How popular is this Utah to Ontario flight route?

    Flights from Utah to Ontario have been viewed 1 times in the past calendar month.

  • How long is the flight from Utah to Ontario?

    Airlines like Delta fly from Utah to Ontario in about 1h 50m. The time it takes to get you to your destination is usually consistent. Airlines will cover a distance of 557 mi. Generally, flights for this route are nonstop.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $55. However, be on the lookout for offers from Southwest and Delta, as they are both options that can get you from Utah to Ontario for a low price.

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

    Before booking your flight to Ontario from Utah, check out the most reliable airlines to get you to your destination on time: LATAM Airlines (100%), Scandinavian Airlines (100%), Air France( 96%).

  • What are the cheapest flights from Utah to Ontario?

    Looking at all options, your cheapest flight can be booked for $99. While the most popular route (Salt Lake City - Ontario) can be booked for $220 on average, our data indicates $475 when flying from Utah to Ontario.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Utah to Ontario 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 Utah to Ontario?

    Currently, December is the cheapest month in which you can book a flight from Utah to Ontario (average of $49). Flying from Utah to Ontario in June is currently the most expensive (average of $183). 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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Top 3 airlines flying from Utah to Ontario

Discover the top 3 airlines that operate flights from Utah to Ontario. 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 maggio 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$69Average$184FlexibilityNo cancel feeOn-time62%
DeltaCheapest$199Average$339FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$214Average$275FlexibilityNo cancel feeOn-time63%

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