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$80+ Cheap flights from Salt Lake City to Ontario (SLC - 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — ONT
may. 4 — may. 111
dom. 5/4
dom. 5/11
1 adult, Economy
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Cheapflights Tip: The best prices from Salt Lake City to Ontario are usually found in May or June, booked 34 days in advance, depart on a Thursday or Saturday and return on a Thursday

Cheap flight deals from Salt Lake City to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Salt Lake City (SLC) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated abril 29, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$160
(Frontier)

One-way from

$80
(Frontier)

Popular in

November

Cheapest in

May

Average price

$196

Good round-trip deal

$239 or less

Good one-way deal

$148 or less
Provider with most accurate pricing for Salt Lake City-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Salt Lake City-Ontario flights.
Search Deals
From Salt Lake City to Ontario
Search Deals
One-way flight from Salt Lake City to Ontario
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($70 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Salt Lake City to Ontario.
Search Deals
Price to beat on a one-way flight from Salt Lake City to Ontario.
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Find flight deals from Salt Lake City to Ontario

Cheapest flights from Salt Lake City to Ontario
Explore the most affordable flight options available from Salt Lake City to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 29, 2025.

This Frontier deal was found by Cheapflights users on 4/27. 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.
dom. 5/1810:44 pmSLC - ONT
1 stop9h 40mFrontier
lun. 5/1912:59 amONT - SLC
1 stop9h 00mFrontier
Deal found 4/27$160
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/247:10 amSLC - ONT
1 stop5h 40mAmerican Airlines
dom. 5/251:14 pmONT - SLC
1 stop5h 05mAmerican Airlines
Deal found 4/28$203
This United Airlines deal was found by Cheapflights users on 4/28. 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.
jue. 5/226:30 amSLC - ONT
1 stop6h 44mUnited Airlines
mar. 5/271:36 pmONT - SLC
1 stop4h 54mUnited Airlines
Deal found 4/28$214
This Southwest deal was found by Cheapflights users on 4/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/128:10 pmSLC - ONT
1 stop4h 45mSouthwest
sáb. 6/144:15 pmONT - SLC
1 stop5h 50mSouthwest
Deal found 4/28$225
This Delta deal was found by Cheapflights users on 4/28. 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.
mié. 7/2311:30 amSLC - ONT
Nonstop1h 44mDelta
dom. 7/271:15 pmONT - SLC
Nonstop1h 43mDelta
Deal found 4/28$239
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/287:33 pmSLC - ONT
1 stop16h 24mAlaska Airlines
lun. 6/26:00 amONT - SLC
2 stops13h 28mAlaska Airlines
Deal found 4/28$319
This Expedia deal was found by Cheapflights users on 4/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/57:28 pmSLC - ONT
2 stops14h 48mMultiple Airlines
jue. 5/812:59 amONT - SLC
1 stop5h 38mMultiple Airlines
Deal found 4/27$387
This Hawaiian Airlines deal was found by Cheapflights users on 4/28. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/1512:15 pmSLC - ONT
1 stop7h 02mHawaiian Airlines
dom. 12/2111:00 amONT - SLC
1 stop5h 38mHawaiian Airlines
Deal found 4/28$585

Cheapflights Fare Finder

Customize your flight search to find flights from Salt Lake City 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 abril 29, 2025.
Use the filters below to find and compare flights from Salt Lake City to Ontario that are best for you.

Fly from

Salt Lake City

Fly to

Ontario

Route

Depart

Return

Price

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

dom. 5/18

10:44 pm-7:24 am

1 stop9h 40m

Ontario

lun. 5/19

12:59 am-10:59 am

1 stop9h 00m

$160

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

sáb. 5/24

7:10 am-11:50 am

1 stop5h 40m

Ontario

dom. 5/25

1:14 pm-7:19 pm

1 stop5h 05m

$203

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

jue. 5/22

6:30 am-12:14 pm

1 stop6h 44m

Ontario

mar. 5/27

1:36 pm-7:30 pm

1 stop4h 54m

$214

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

jue. 6/12

8:10 pm-11:55 pm

1 stop4h 45m

Ontario

sáb. 6/14

4:15 pm-11:05 pm

1 stop5h 50m

$225

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

mié. 7/23

11:30 am-12:14 pm

Nonstop1h 44m

Ontario

dom. 7/27

1:15 pm-3:58 pm

Nonstop1h 43m

$239

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

mié. 5/28

8:19 am-6:25 pm

2 stops11h 06m

Ontario

mar. 6/10

6:00 am-2:42 pm

1 stop7h 42m

$319

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

jue. 5/8

7:45 am-11:58 pm

2 stops17h 13m

Ontario

sáb. 5/10

12:59 am-7:37 am

1 stop5h 38m

$422

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

lun. 5/19

6:00 am-11:15 am

1 stop6h 15m

$80

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

mar. 8/5

12:25 pm-4:45 pm

1 stop5h 20m

$97

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

mar. 6/10

3:37 pm-10:46 pm

1 stop8h 09m

$122

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 15 results
1
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Compare providers for flights from Salt Lake City to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Salt Lake City to Ontario in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Salt Lake City-Ontario flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Salt Lake City-Ontario flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Salt Lake City-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Salt Lake City-Ontario flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Salt Lake City-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Salt Lake City to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Salt Lake City 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 Salt Lake City to Ontario

How far ahead should I book a flight from Salt Lake City to Ontario?

Use this chart to determine the optimal time to book a round-trip flight from Salt Lake City to Ontario. Price data was last updated on April 25, 2025.

The price you pay for your flight from Salt Lake City to Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 34 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 Salt Lake City to Ontario?

Currently, August is the cheapest month in which you can book a flight from Salt Lake City to Ontario (average of $246). Flying from Salt Lake City to Ontario in March is currently the most expensive (average of $328). 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 SLC to ONT?

Find hourly flight availability from Salt Lake City 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 abril 29, 2025.

It’s typically best to fly out from Salt Lake City to Ontario at noon. Doing so could potentially save you 66% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Salt Lake City to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Salt Lake City to Ontario. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Salt Lake City to Ontario flight should consider departing on Saturday at noon when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Salt Lake City to Ontario

Explore weekly flight availability from Salt Lake City 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 abril 29, 2025.

The most flights from SLC to ONT are scheduled on a Wednesday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August 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 December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated abril 29, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Salt Lake City to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,292 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Salt Lake City to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Salt Lake City to Ontario?

    Booking a flight from Salt Lake City (SLC) to Ontario (ONT) is your only option if you wish to fly from Salt Lake City to Ontario. On a typical day, there are 7 flights from Salt Lake City to Ontario, all of which are around 1h 46m for a nonstop flight. You can also purchase a plane ticket from 5 airlines when you book a flight from Salt Lake City to Ontario.

  • How popular is this Salt Lake City to Ontario flight route?

    The Salt Lake City to Ontario flight path was viewed by 15 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Salt Lake City to Ontario round-trip?

    Frontier, at $160, was found to be the cheapest airline from Salt Lake City to Ontario.Alternate airlines to your destination round-trip include American Airlines and United Airlines. Frontier is 20% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Salt Lake City to Ontario one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $80. However, be on the lookout for offers from Southwest and Alaska Airlines, as they are both options that can get you from Salt Lake City to Ontario for a low price.

  • What are the most reliable airlines from Salt Lake City to Ontario?

    Before booking your flight to Ontario from Salt Lake City, check out the most reliable airlines to get you to your destination on time: SkyWest Airlines (98%), Air France (98%), KLM( 95%).

  • What are the cheapest flights from Salt Lake City to Ontario?

    On average you can expect to pay $204 for a flight from Salt Lake City to Ontario. The cheapest flight overall is $148 while the most popular route, (Salt Lake City - Ontario) is currently priced at $191.

  • Can I find deals for flights from Salt Lake City to Ontario that include hotel bookings?

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

  • How can I find direct flights from Salt Lake City to Ontario?

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

  • Can I find deals for business class flights from Salt Lake City to Ontario?

    Yes. Cheapflights offers flight deals from Salt Lake City 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 Salt Lake City to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Salt Lake City to Ontario (average of $246). Flying from Salt Lake City to Ontario in March is currently the most expensive (average of $328). 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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Top 5 airlines flying from Salt Lake City to Ontario

Discover the top 5 airlines that operate flights from Salt Lake City 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 abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$43Average$101FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$48Average$73FlexibilityNo cancel feeOn-time65%
DeltaCheapest$159Average$296FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$216Average$388FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$237Average$307FlexibilityNo cancel feeOn-time63%

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