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$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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — ONT
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 December 18, 2025.

This Expedia deal was found by Cheapflights users on 12/16. 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.
Wed 12/242:30 pmSLC - ONT
1 stop10h 29mFrontier
Wed 1/710:45 amONT - SLC
1 stop4h 01mFrontier
Deal found 12/16$162
This CheapOair deal was found by Cheapflights users on 12/15. 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 12/2410:25 pmSLC - ONT
1 stop19h 57mFrontier
Wed 12/316:45 amONT - SLC
1 stop16h 22mFrontier
Deal found 12/15$164
This CheapOair deal was found by Cheapflights users on 12/16. 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.
Mon 12/2910:25 pmSLC - ONT
1 stop19h 57mFrontier
Mon 1/128:31 amONT - SLC
1 stop8h 56mFrontier
Deal found 12/16$184
This CheapOair deal was found by Cheapflights users on 12/17. 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.
Mon 12/2910:25 pmSLC - ONT
1 stop23h 52mFrontier
Thu 1/16:45 amONT - SLC
1 stop24h 27mFrontier
Deal found 12/17$185
This CheapOair deal was found by Cheapflights users on 12/16. 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 12/2310:25 pmSLC - ONT
1 stop19h 50mFrontier
Thu 1/16:45 amONT - SLC
1 stop16h 22mFrontier
Deal found 12/16$188
This Orbitz deal was found by Cheapflights users on 12/17. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/208:28 pmSLC - ONT
1 stop22h 14mFrontier
Sun 1/46:37 pmONT - SLC
1 stop25h 56mFrontier
Deal found 12/17$214
This CheapOair deal was found by Cheapflights users on 12/16. 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 12/2310:25 pmSLC - ONT
1 stop23h 52mFrontier
Sun 1/46:37 pmONT - SLC
1 stop25h 56mFrontier
Deal found 12/16$215
This CheapOair deal was found by Cheapflights users on 12/16. 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 12/248:58 pmSLC - ONT
1 stop28h 01mFrontier
Fri 1/25:54 pmONT - SLC
1 stop16h 33mFrontier
Deal found 12/16$218
This CheapOair deal was found by Cheapflights users on 12/16. 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 12/3110:25 pmSLC - ONT
1 stop23h 52mFrontier
Fri 1/25:54 pmONT - SLC
1 stop16h 33mFrontier
Deal found 12/16$219
This Frontier deal was found by Cheapflights users on 12/16. 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 12/242:30 pmSLC - ONT
1 stop10h 29mFrontier
Sat 12/276:00 amONT - SLC
1 stop4h 27mFrontier
Deal found 12/16$232
This CheapOair deal was found by Cheapflights users on 12/17. 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 12/2410:25 pmSLC - ONT
1 stop23h 52mFrontier
Sun 12/286:37 pmONT - SLC
1 stop25h 56mFrontier
Deal found 12/17$233

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 December 18, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$110
(Frontier)

One-way from

$63
(Super.com)

Popular in

December

Cheapest in

February

Average price

$200

Good round-trip deal

$369 or less

Good one-way deal

$198 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
High demand for flights, 0% potential price rise
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 December 2025
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 December 18, 2025.
Use the filters below to find and compare flights from Utah to Ontario that are best for you.

Fly from

Utah

Fly to

Ontario

Route

Depart

Return

Price

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Fri 1/30

11:56 am-1:06 pm

1 stop26h 10m

Ontario

Sun 2/1

6:00 am-11:43 pm

1 stop16h 43m

$223

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Tue 2/10

9:00 am-3:08 pm

1 stop7h 08m

Ontario

Sat 2/14

7:00 am-10:20 am

1 stop26h 20m

$243

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Sun 2/1

7:00 am-11:56 pm

1 stop17h 56m

Ontario

Fri 2/6

4:03 pm-8:58 pm

1 stop27h 55m

$244

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Sun 2/1

7:00 am-11:56 pm

1 stop17h 56m

Ontario

Mon 2/9

11:53 am-2:42 pm

1 stop25h 49m

$244

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Sun 2/1

7:00 am-11:56 pm

1 stop17h 56m

Ontario

Sat 2/7

11:53 am-11:43 pm

1 stop10h 50m

$244

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Sat 1/31

7:00 am-7:16 pm

2 stops13h 16m

Ontario

Fri 2/6

6:00 am-11:43 pm

1 stop16h 43m

$253

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Sat 1/31

8:55 pm-9:48 pm

Nonstop1h 53m

Ontario

Sat 2/7

7:30 am-10:00 pm

1 stop13h 30m

$272

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Fri 1/16

9:50 pm-10:51 pm

1 stop26h 01m

Ontario

Mon 1/19

6:00 am-8:53 am

Nonstop1h 53m

$272

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Mon 2/2

10:45 pm-10:44 pm

2 stops24h 59m

Ontario

Sun 2/8

7:30 am-10:00 pm

1 stop13h 30m

$274

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Sat 1/31

11:25 am-10:51 pm

2 stops12h 26m

Ontario

Thu 2/5

3:30 pm-8:04 am

1 stop15h 34m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 23 results
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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, January is the cheapest month in which you can book a flight from Utah to Ontario (average of $48). Flying from Utah to Ontario in July is currently the most expensive (average of $91). 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 December 18, 2025.

It’s typically best to fly out from Utah to Ontario in the afternoon. Doing so could potentially save you 77% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Utah to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Utah to Ontario. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Utah to Ontario flight should consider departing on Friday afternoons when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 3 times in the past calendar month.

  • How long is the flight from Utah to Ontario?

    Airlines like Alaska Airlines fly from Utah to Ontario in about 26h 10m. 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 $54. 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: KLM (98%), Air France (98%), SkyWest Airlines( 97%).

  • What are the cheapest flights from Utah to Ontario?

    Looking at all options, your cheapest flight can be booked for $198. While the most popular route (Salt Lake City - Ontario) can be booked for $110 on average, our data indicates $467 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, January is the cheapest month in which you can book a flight from Utah to Ontario (average of $48). Flying from Utah to Ontario in July is currently the most expensive (average of $91). 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$70Average$172FlexibilityNo cancel feeOn-time62%
DeltaCheapest$199Average$299FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$214Average$273FlexibilityNo cancel feeOn-time63%

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