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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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — ONT
May 17 — May 241
Sat 5/17
Sat 5/24
1 adult, Economy
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Cheapflights Tip: The best prices from Salt Lake City to Ontario are usually found in June or July, booked 90 days in advance, depart on a Thursday or Sunday 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 May 12, 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

June

Average price

$199

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. 20% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals
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 May 12, 2025.

This Frontier deal was found by Cheapflights users on 5/12. 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 6/25:03 pmSLC - ONT
1 stop4h 48mFrontier
Wed 6/45:21 pmONT - SLC
1 stop5h 13mFrontier
Deal found 5/12$160
This Delta deal was found by Cheapflights users on 5/11. 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.
Thu 8/78:00 amSLC - ONT
Nonstop1h 47mDelta
Wed 8/136:00 amONT - SLC
Nonstop1h 51mDelta
Deal found 5/11$239
This Southwest deal was found by Cheapflights users on 5/11. 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.
Thu 8/287:15 pmSLC - ONT
1 stop4h 40mSouthwest
Mon 9/15:20 amONT - SLC
2 stops6h 30mSouthwest
Deal found 5/11$264
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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.
Sat 11/112:30 pmSLC - ONT
1 stop8h 17mAlaska Airlines
Tue 11/47:00 amONT - SLC
2 stops8h 54mAlaska Airlines
Deal found 5/11$300
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Sat 8/307:15 amSLC - ONT
1 stop5h 58mUnited Airlines
Tue 9/25:10 amONT - SLC
1 stop7h 05mUnited Airlines
Deal found 5/11$301
This Orbitz deal was found by Cheapflights users on 5/11. 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.
Mon 6/98:33 pmSLC - ONT
2 stops13h 44mMultiple Airlines
Sun 6/1512:59 amONT - SLC
1 stop6h 35mMultiple Airlines
Deal found 5/11$376
This Hawaiian Airlines deal was found by Cheapflights users on 5/11. 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.
Fri 11/213:20 pmSLC - ONT
1 stop8h 17mHawaiian Airlines
Sat 11/296:00 amONT - SLC
1 stop7h 17mHawaiian Airlines
Deal found 5/11$732

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 May 12, 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

Mon 6/2

5:03 pm-8:51 pm

1 stop4h 48m

Ontario

Thu 6/5

6:00 am-4:41 pm

1 stop9h 41m

$160

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Thu 8/7

8:00 am-8:47 am

Nonstop1h 47m

Ontario

Wed 8/13

6:00 am-8:51 am

Nonstop1h 51m

$239

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Mon 6/2

5:10 am-11:00 am

2 stops6h 50m

Ontario

Wed 6/4

6:10 am-4:20 pm

2 stops9h 10m

$323

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Tue 6/10

12:10 pm-5:39 pm

1 stop6h 29m

Ontario

Sat 6/14

5:10 am-1:17 pm

1 stop7h 07m

$329

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Mon 6/9

8:33 pm-9:17 am

2 stops13h 44m

Ontario

Sun 6/15

12:59 am-8:34 am

1 stop6h 35m

$376

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Fri 6/20

7:02 pm-9:38 pm

1 stop3h 36m

Ontario

Thu 6/26

6:23 am-11:45 am

1 stop4h 22m

$382

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Fri 5/30

3:46 pm-10:57 am

2 stops20h 11m

Ontario

Mon 6/2

11:51 am-6:39 pm

1 stop5h 48m

$447

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Thu 6/5

5:03 pm-8:51 pm

1 stop4h 48m

$80

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Sat 7/5

6:15 am-8:40 am

1 stop3h 25m

$102

Salt Lake CityOntario

SLC - ONT

SLCONT

Salt Lake City

Thu 7/3

8:45 am-12:32 pm

1 stop4h 47m

$130

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Showing 1-10 of 13 results
1
2

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 May.
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

*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 May 9, 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 90 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 May 12, 2025.

It’s typically best to fly out from Salt Lake City to Ontario at noon. Doing so could potentially save you 65% 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 May 11, 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 May 12, 2025.

The most flights from SLC to ONT are scheduled on a Wednesday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 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 May 12, 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
10,000 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

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
4,290 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

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
8,724 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

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
10,000 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

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 8 flights from Salt Lake City to Ontario, all of which are around 1h 44m for a nonstop flight. You can also purchase a plane ticket from 4 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 Delta and Southwest. Frontier is 25% 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 United 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( 96%).

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

    On average you can expect to pay $223 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 $164.

  • 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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Alternative routes for Salt Lake City to Ontario

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Top 4 airlines flying from Salt Lake City to Ontario

Discover the top 4 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 May 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$42Average$109FlexibilityNo cancel feeOn-time62%
DeltaCheapest$159Average$298FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$216Average$388FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$224Average$307FlexibilityNo cancel feeOn-time63%

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