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Ontario

$63+ 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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — ONT
Apr 22 — Apr 291
Wed 4/22
Wed 4/29
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 March 23, 2026.

This Frontier deal was found by Cheapflights users on 3/19. 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.
Fri 4/179:49 am
SLC
-
ONT
Nonstop2h 00m
Frontier
Fri 4/1712:59 am
ONT
-
SLC
1 stop6h 02m
Frontier
Deal found 3/19$123
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Tue 4/285:51 pm
SLC
-
ONT
1 stop17h 53m
Frontier
Tue 5/191:50 pm
ONT
-
SLC
1 stop18h 40m
Frontier
Deal found 3/19$134
This Frontier deal was found by Cheapflights users on 3/19. 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.
Mon 4/131:00 pm
SLC
-
ONT
1 stop8h 07m
Frontier
Tue 4/1411:44 am
ONT
-
SLC
1 stop4h 07m
Frontier
Deal found 3/19$140
This CheapOair deal was found by Cheapflights users on 3/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:35 am
SLC
-
ONT
1 stop17h 20m
Frontier
Fri 4/179:12 am
ONT
-
SLC
Nonstop1h 52m
Frontier
Deal found 3/18$141
This Frontier deal was found by Cheapflights users on 3/22. 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.
Fri 4/245:49 pm
SLC
-
ONT
1 stop7h 09m
Frontier
Mon 4/272:05 pm
ONT
-
SLC
1 stop20h 54m
Frontier
Deal found 3/22$142
This Frontier deal was found by Cheapflights users on 3/18. 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.
Wed 4/111:49 am
SLC
-
ONT
1 stop10h 11m
Frontier
Thu 4/26:10 pm
ONT
-
SLC
Nonstop1h 50m
Frontier
Deal found 3/18$144
This CheapOair deal was found by Cheapflights users on 3/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/318:30 pm
SLC
-
ONT
1 stop25h 30m
Frontier
Thu 4/26:10 pm
ONT
-
SLC
Nonstop1h 50m
Frontier
Deal found 3/18$145
This CheapOair deal was found by Cheapflights users on 3/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1610:48 pm
SLC
-
ONT
1 stop10h 36m
Frontier
Mon 4/208:59 pm
ONT
-
SLC
1 stop14h 00m
Frontier
Deal found 3/20$151
This Booking.com deal was found by Cheapflights users on 3/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/121:32 pm
SLC
-
ONT
1 stop7h 00m
Frontier
Tue 5/194:39 pm
ONT
-
SLC
1 stop15h 51m
Frontier
Deal found 3/21$152
This CheapOair deal was found by Cheapflights users on 3/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:24 am
SLC
-
ONT
Nonstop1h 58m
Frontier
Fri 5/15:33 pm
ONT
-
SLC
1 stop13h 28m
Frontier
Deal found 3/20$155
This CheapOair deal was found by Cheapflights users on 3/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/84:51 pm
SLC
-
ONT
1 stop16h 13m
Frontier
Fri 4/108:49 am
ONT
-
SLC
1 stop12h 01m
Frontier
Deal found 3/20$160
This Frontier deal was found by Cheapflights users on 3/19. 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.
Thu 4/99:57 am
SLC
-
ONT
1 stop8h 18m
Frontier
Mon 4/139:02 pm
ONT
-
SLC
1 stop18h 49m
Frontier
Deal found 3/19$161

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 March 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$123
(Frontier)

One-way from

$63
(WAYA)

Popular in

June

Cheapest in

September

Average price

$157

Good round-trip deal

$276 or less

Good one-way deal

$143 or less
Provider with most accurate pricing for Salt Lake City-Los Angeles Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Salt Lake City-Los Angeles 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. 10% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($2 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 23, 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

Tue 4/21

6:45 am-11:35 am

2 stops5h 50m

Ontario

Tue 4/28

11:05 am-6:55 pm

2 stops6h 50m

$228

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Tue 4/14

11:10 am-6:55 pm

2 stops8h 45m

Ontario

Tue 4/21

11:05 am-6:55 pm

2 stops6h 50m

$234

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Mon 5/18

8:30 pm-11:05 pm

1 stop3h 35m

Ontario

Wed 5/20

5:55 am-4:10 pm

2 stops9h 15m

$249

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Tue 7/14

5:25 pm-10:05 pm

2 stops5h 40m

Ontario

Fri 7/17

12:50 pm-6:35 pm

1 stop4h 45m

$334

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Tue 4/21

11:25 am-12:14 pm

Nonstop1h 49m

Ontario

Tue 4/28

6:00 am-8:50 am

Nonstop1h 50m

$339
Quickest round-trip

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Sat 4/25

9:55 pm-10:43 pm

Nonstop1h 48m

Ontario

Wed 4/29

1:29 pm-4:15 pm

Nonstop1h 46m

$339

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Fri 7/24

7:58 am-8:45 am

Nonstop1h 47m

Ontario

Mon 7/27

9:40 am-12:28 pm

Nonstop1h 48m

$339

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Wed 4/22

11:25 am-12:14 pm

Nonstop1h 49m

Ontario

Tue 4/28

1:29 pm-4:15 pm

Nonstop1h 46m

$339

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Fri 6/19

10:55 pm-11:44 pm

Nonstop1h 49m

Ontario

Sun 6/28

6:00 am-8:48 am

Nonstop1h 48m

$339

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Fri 6/5

3:25 pm-10:32 pm

1 stop8h 07m

Ontario

Mon 6/8

5:05 pm-7:53 pm

Nonstop1h 48m

$428

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/18

Showing 1-10 of 21 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

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

Currently, September is the cheapest month in which you can book a flight from Utah to Ontario (average of $51). Flying from Utah to Ontario in July is currently the most expensive (average of $95). 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 March 23, 2026.

It’s typically best to fly out from Utah to Ontario at noon. Doing so could potentially save you 69% 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 March 23, 2026.

The most flights from USUT to ONT are scheduled on a Tuesday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

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 Frontier fly from Utah to Ontario in about 10h 11m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 557 mi.

  • 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: SkyWest Airlines (100%), Volaris (100%), Korean Air( 96%).

  • What are the cheapest flights from Utah to Ontario?

    Looking at all options, your cheapest flight can be booked for $54. While the most popular route (Salt Lake City - Ontario) can be booked for $140 on average, our data indicates $419 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, September is the cheapest month in which you can book a flight from Utah to Ontario (average of $51). Flying from Utah to Ontario in July is currently the most expensive (average of $95). 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 Utah to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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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 March 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$73Average$183FlexibilityNo cancel feeOn-time62%
DeltaCheapest$199Average$301FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$214Average$275FlexibilityNo cancel feeOn-time63%

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