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Ontario

$77+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — ONT
Aug 2 — Aug 91
Sun 8/2
Sun 8/9
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 July 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/48:16 am
SLC
-
ONT
1 stop16h 34m
Frontier
Tue 8/116:00 am
ONT
-
SLC
1 stop5h 27m
Frontier
Deal found 7/2$151
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/284:48 pm
SLC
-
ONT
1 stop21h 05m
Frontier
Tue 8/46:00 am
ONT
-
SLC
1 stop24h 31m
Frontier
Deal found 6/30$189
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/53:41 pm
SLC
-
ONT
1 stop9h 09m
Frontier
Mon 8/108:58 am
ONT
-
SLC
1 stop10h 03m
Frontier
Deal found 6/30$193
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:52 pm
SLC
-
ONT
1 stop6h 03m
Frontier
Tue 10/2712:57 pm
ONT
-
SLC
1 stop6h 50m
Frontier
Deal found 7/1$200
This Frontier deal was found by Cheapflights users on 6/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:12 pm
SLC
-
ONT
1 stop11h 38m
Frontier
Wed 8/126:00 am
ONT
-
SLC
1 stop7h 55m
Frontier
Deal found 6/29$210
This Frontier deal was found by Cheapflights users on 6/30. 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.
Wed 7/296:05 am
SLC
-
ONT
1 stop4h 59m
Frontier
Wed 8/56:00 am
ONT
-
SLC
1 stop7h 55m
Frontier
Deal found 6/30$220
This Frontier deal was found by Cheapflights users on 6/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:05 am
SLC
-
ONT
1 stop4h 59m
Frontier
Thu 9/310:49 am
ONT
-
SLC
1 stop6h 34m
Frontier
Deal found 6/27$225

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 July 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$151
(Kiwi.com)

One-way from

$77
(Trip.com)

Popular in

June

Cheapest in

September

Average price

$200

Good round-trip deal

$339 or less

Good one-way deal

$218 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. 14% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 3, 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 8/4

3:40 pm-8:55 pm

2 stops6h 15m

Ontario

Tue 8/11

9:05 am-4:25 pm

2 stops6h 20m

$269
Quickest round-trip

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Wed 9/2

11:27 am-12:16 pm

Nonstop1h 49m

Ontario

Mon 9/7

1:06 pm-3:53 pm

Nonstop1h 47m

$299

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Thu 10/15

11:30 am-12:22 pm

Nonstop1h 52m

Ontario

Wed 10/21

5:04 pm-8:00 pm

Nonstop1h 56m

$299

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Fri 8/7

3:29 pm-4:24 pm

Nonstop1h 55m

Ontario

Mon 8/10

6:00 am-8:48 am

Nonstop1h 48m

$299

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Mon 8/17

10:45 pm-11:34 pm

Nonstop1h 49m

Ontario

Sat 8/22

5:05 pm-7:59 pm

Nonstop1h 54m

$299

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Sat 8/15

11:27 am-12:16 pm

Nonstop1h 49m

Ontario

Mon 8/17

9:43 am-12:37 pm

Nonstop1h 54m

$300

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Wed 12/23

10:55 pm-11:48 pm

Nonstop1h 53m

Ontario

Sat 1/2

5:05 pm-7:54 pm

Nonstop1h 49m

$339

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Thu 12/24

10:55 pm-11:48 pm

Nonstop1h 53m

Ontario

Sat 1/2

5:05 pm-7:54 pm

Nonstop1h 49m

$339

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Thu 12/24

4:30 pm-8:20 pm

1 stop4h 50m

Ontario

Wed 12/30

5:00 am-1:27 pm

1 stop7h 27m

$399

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Fri 7/24

10:59 pm-11:48 pm

Nonstop1h 49m

Ontario

Mon 7/27

9:40 am-12:28 pm

Nonstop1h 48m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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, 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 November 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 July 3, 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 morning, which is usually more expensive.

How much does it cost to fly round-trip 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.

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 Southwest and Delta fly from Utah to Ontario in about 1h 49m. The time it takes to get you to your destination can typically vary by up to 4h 26m. Airlines will cover a distance of 557 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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: Frontier (100%), LATAM Airlines (100%), Scandinavian Airlines( 100%).

  • What are the cheapest flights from Utah to Ontario?

    Looking at all options, your cheapest flight can be booked for $218. While the most popular route (Salt Lake City - Ontario) can be booked for $210 on average, our data indicates $515 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 November 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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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 July 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$69Average$183FlexibilityNo cancel feeOn-time62%
DeltaCheapest$199Average$349FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$214Average$275FlexibilityNo cancel feeOn-time63%

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