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

This flight path from Ontario to Salt Lake City was viewed by 41 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 Ontario to Salt Lake City round-trip?

According to our current data, Southwest ($238), Delta ($239), and Frontier ($250) offers the cheapest pricing from Ontario to Salt Lake City.

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

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $89. Users have also found prices from $109 and $114 on United Airlines and Southwest, respectively.

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

On average you can expect to pay $461 for a flight from Ontario to Salt Lake City. The cheapest flight overall is $132 while the most popular route, (Ontario - Salt Lake City) is currently priced at $200.

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

Consider SkyWest Airlines (98%), Aeromexico (97%) or Air France (95%) when booking your flight. These represent the most reliable airlines when flying from Ontario to Salt Lake City.

What are the most popular airlines that fly from Ontario to Salt Lake City?

Before booking your flight from Ontario to Salt Lake City check out the most popular airlines for this route: American Airlines, Delta or Frontier.

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

It’s generally more expensive to depart on a Wednesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 40 days in advance, which can save you up to 107% on flights from Ontario to Salt Lake City compared to booking the week you need them. Waiting 40 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $151. For sooner than that we have options available in the next 3 days from $235.

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

May can be a great time to fly to Salt Lake City from Ontario with a flight ticket averaging about $176. Cheapflights users have found deals in the month of May for as cheap as $45. The most expensive prices can be found in the month of November.

Most accurate provider : When it comes to deals on Ontario-Salt Lake City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Salt Lake City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Salt Lake City flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Ontario-Salt Lake City flights, Cheapflights users trust FlightHub the most. FlightHub 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 Ontario-Salt Lake City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Salt Lake City is the airport most travelers will use when flying to Salt Lake City from Ontario. Booking flights from Ontario (ONT) to Salt Lake City (SLC) should be relatively easy as there are 2 daily flights to Salt Lake City from 6 different airlines. 1h 43m is how long a flight from Ontario to Salt Lake City will take if you book a nonstop flight.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Ontario to Salt Lake City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$89+ Flights from Ontario to Salt Lake City

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Find cheap flights from Ontario to Salt Lake City with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Ontario to Salt Lake City are usually found in June or July, booked 69 days in advance, depart on a Thursday or Friday and return on a Saturday

Cheap flight deals from Ontario to Salt Lake City

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$238 (Southwest)
One-way from	$89 (Frontier)
Popular in	March
Cheapest in	June
Average price	$308
Good round-trip deal	$287 or less
Good one-way deal	$156 or less

Provider with most accurate pricing for Ontario-Salt Lake City flight deals.

Search Deals

Provider most trusted by Cheapflights users for Ontario-Salt Lake City flights.

Search Deals

From Ontario to Salt Lake City

Search Deals

One-way flight from Ontario to Salt Lake City

Search Deals

Highest demand for flights based on searches. 20% potential increase in price ($51 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 March 2025

Search Deals

Price to beat on a round-trip flight from Ontario to Salt Lake City.

Search Deals

Price to beat on a one-way flight from Ontario to Salt Lake City.

Search Deals

Find flight deals from Ontario to Salt Lake City

Cheapest flights from Ontario to Salt Lake City
Explore the most affordable flight options available from Ontario to Salt Lake City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 27, 2025.

Thu 4/34:15 pmONT - SLC

1 stop14h 39mFrontier

Wed 4/236:00 amSLC - ONT

1 stop6h 20mFrontier

Deal found 3/25

$214

Fri 7/119:55 amONT - SLC

Nonstop1h 51mDelta

Wed 7/238:10 amSLC - ONT

Nonstop1h 48mDelta

Deal found 3/25

$239

Tue 4/1511:25 amONT - SLC

2 stops6h 20mSouthwest

Fri 4/186:15 amSLC - ONT

1 stop4h 35mSouthwest

Deal found 3/25

$242

Sat 4/2612:50 pmONT - SLC

1 stop4h 26mAmerican Airlines

Mon 4/283:29 pmSLC - ONT

1 stop3h 51mAmerican Airlines

Deal found 3/26

$257

Tue 5/136:00 amONT - SLC

2 stops14h 45mMultiple Airlines

Sun 5/186:00 amSLC - ONT

1 stop6h 26mMultiple Airlines

Deal found 3/25

$286

Wed 4/1611:33 amONT - SLC

1 stop7h 25mAlaska Airlines

Thu 4/178:20 amSLC - ONT

1 stop16h 39mAlaska Airlines

Deal found 3/26

$323

Sun 7/131:19 pmONT - SLC

1 stop5h 13mUnited Airlines

Tue 7/224:44 pmSLC - ONT

1 stop7h 08mUnited Airlines

Deal found 3/25

$329

Thu 9/117:10 amONT - SLC

1 stop6h 32mHawaiian Airlines

Mon 9/151:41 pmSLC - ONT

1 stop5h 42mHawaiian Airlines

Deal found 3/25

$365

Best flights from Ontario to Salt Lake City
Discover carefully curated flight deals from Ontario to Salt Lake City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 27, 2025.

Thu 6/127:35 pmONT - SLC

1 stop4h 30mSouthwest

Mon 6/168:30 pmSLC - ONT

1 stop4h 00mSouthwest

Deal found 3/25

$238

Fri 7/119:55 amONT - SLC

Nonstop1h 51mDelta

Wed 7/238:10 amSLC - ONT

Nonstop1h 48mDelta

Deal found 3/25

$239

Tue 7/2212:59 amONT - SLC

1 stop22h 05mFrontier

Thu 7/247:20 amSLC - ONT

1 stop26h 40mFrontier

Deal found 3/25

$250

Sat 4/2612:50 pmONT - SLC

1 stop4h 26mAmerican Airlines

Mon 4/283:29 pmSLC - ONT

1 stop3h 51mAmerican Airlines

Deal found 3/26

$257

Tue 5/136:00 amONT - SLC

2 stops14h 45mMultiple Airlines

Sun 5/186:00 amSLC - ONT

1 stop6h 26mMultiple Airlines

Deal found 3/25

$286

Wed 4/1611:33 amONT - SLC

1 stop7h 25mAlaska Airlines

Thu 4/178:20 amSLC - ONT

1 stop16h 39mAlaska Airlines

Deal found 3/26

$323

Sun 7/131:19 pmONT - SLC

1 stop5h 13mUnited Airlines

Tue 7/224:44 pmSLC - ONT

1 stop7h 08mUnited Airlines

Deal found 3/25

$329

Thu 9/1111:39 amONT - SLC

1 stop5h 51mHawaiian Airlines

Sat 9/1311:13 amSLC - ONT

1 stop8h 10mHawaiian Airlines

Deal found 3/25

$365

Last-minute flights from Ontario to Salt Lake City
Discover last-minute flight deals from Ontario to Salt Lake City. Data last updated March 27, 2025 and is based on user searches.

Tue 4/14:40 pmONT - SLC

1 stop5h 35mSouthwest

Tue 4/83:10 pmSLC - ONT

2 stops6h 00mSouthwest

Deal found 3/25

$403

Thu 4/34:15 pmONT - SLC

1 stop14h 39mFrontier

Wed 4/236:00 amSLC - ONT

1 stop6h 20mFrontier

Deal found 3/25

$214

Thu 4/36:00 amONT - SLC

1 stop6h 37mUnited Airlines

Sun 4/68:19 amSLC - ONT

1 stop4h 56mUnited Airlines

Deal found 3/26

$559

Fri 4/46:00 amONT - SLC

Nonstop1h 47mDelta

Mon 4/73:40 pmSLC - ONT

Nonstop1h 53mDelta

Deal found 3/25

$449

Fri 4/45:44 pmONT - SLC

1 stop20h 09mAlaska Airlines

Mon 4/71:29 pmSLC - ONT

2 stops11h 30mAlaska Airlines

Deal found 3/25

$723

Fri 4/47:25 pmONT - SLC

2 stops15h 44mAmerican Airlines

Sun 4/68:45 amSLC - ONT

1 stop4h 14mAmerican Airlines

Deal found 3/25

$822

Wed 4/94:17 pmONT - SLC

1 stop4h 58mUnited Airlines

Sun 4/138:09 amSLC - ONT

1 stop8h 08mUnited Airlines

Deal found 3/25

$377

Tue 4/1511:25 amONT - SLC

2 stops6h 20mSouthwest

Fri 4/186:15 amSLC - ONT

1 stop4h 35mSouthwest

Deal found 3/25

$242

Wed 4/1611:33 amONT - SLC

1 stop7h 25mAlaska Airlines

Sat 4/197:30 amSLC - ONT

2 stops17h 29mAlaska Airlines

Deal found 3/26

$319

Wed 4/2312:59 amONT - SLC

1 stop5h 38mMultiple Airlines

Thu 5/18:45 amSLC - ONT

2 stops9h 45mMultiple Airlines

Deal found 3/26

$321

Thu 4/246:00 amONT - SLC

Nonstop1h 45mDelta

Mon 4/2810:55 pmSLC - ONT

Nonstop1h 46mDelta

Deal found 3/25

$239

Sat 4/2612:50 pmONT - SLC

1 stop4h 26mAmerican Airlines

Mon 4/283:29 pmSLC - ONT

1 stop3h 51mAmerican Airlines

Deal found 3/26

$257

One-way flights from Ontario to Salt Lake City
Search for one-way flight options from Ontario to Salt Lake City. Find affordable one-way fares based on user searches. Data last updated March 27, 2025.

Sat 4/512:59 amONT - SLC

1 stop5h 55mFrontier

Deal found 3/26

$89

Fri 5/301:36 pmONT - SLC

1 stop6h 41mUnited Airlines

Deal found 3/25

$109

Tue 5/133:40 pmONT - SLC

2 stops6h 30mSouthwest

Deal found 3/25

$114

Thu 8/76:00 amONT - SLC

Nonstop1h 51mDelta

Deal found 3/24

$149

Fri 6/2712:55 pmONT - SLC

1 stop4h 22mAmerican Airlines

Deal found 3/25

$154

Tue 5/67:00 amONT - SLC

2 stops8h 00mAlaska Airlines

Deal found 3/25

$167

Tue 4/156:00 amONT - SLC

2 stops9h 54mMultiple Airlines

Deal found 3/25

$398

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Salt Lake City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Thu 6/12

7:35 pm-1:05 am

1 stop4h 30m

Salt Lake City

Mon 6/16

8:30 pm-11:30 pm

1 stop4h 00m

$238

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Fri 7/11

9:55 am-12:46 pm

Nonstop1h 51m

Salt Lake City

Wed 7/23

8:10 am-8:58 am

Nonstop1h 48m

$239

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Tue 7/22

12:59 am-12:04 am

1 stop22h 05m

Salt Lake City

Thu 7/24

7:20 am-9:00 am

1 stop26h 40m

$250

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Sat 4/26

6:15 am-11:32 am

1 stop4h 17m

Salt Lake City

Mon 4/28

3:29 pm-6:20 pm

1 stop3h 51m

$257

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Tue 5/13

6:00 am-9:45 pm

2 stops14h 45m

Salt Lake City

Sun 5/18

6:00 am-11:26 am

1 stop6h 26m

$286

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Wed 4/16

11:33 am-7:58 pm

1 stop7h 25m

Salt Lake City

Thu 4/17

8:20 am-11:59 pm

1 stop16h 39m

$323

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Sun 7/13

1:19 pm-7:32 pm

1 stop5h 13m

Salt Lake City

Tue 7/22

4:44 pm-10:52 pm

1 stop7h 08m

$329

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Thu 9/11

11:39 am-6:30 pm

1 stop5h 51m

Salt Lake City

Sat 9/13

11:13 am-6:23 pm

1 stop8h 10m

$365

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Sat 4/5

12:59 am-7:54 am

1 stop5h 55m

$89

OntarioSalt Lake City

ONT - SLC

ONTSLC

Ontario

Fri 5/30

1:36 pm-9:17 pm

1 stop6h 41m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 15 results

Compare providers for flights from Ontario to Salt Lake City

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Salt Lake City in March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
Mytrip	Price Accuracy3 stars	Trust Score*3 stars
Kiwi.com	Price Accuracy3 stars	Trust Score*2 stars
Justfly.com	Price Accuracy3 stars	Trust Score*3 stars
Gotogate	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*3 stars
CheapOair	Price Accuracy1 star	Trust 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 Ontario-Salt Lake City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Salt Lake City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Salt Lake City flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Ontario-Salt Lake City flights, Cheapflights users trust FlightHub the most. FlightHub 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 Ontario-Salt Lake City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Ontario to Salt Lake City flights

Cheapflights partnered with top experts to bring you the best recommendations for your Ontario to Salt Lake City trip

Airports

ONT

For a stress-free departure, ONT offers a simpler layout and quicker security than LAX, ideal for business travelers on weekday flights.

SLC

Upon arrival at SLC, use the TRAX light rail for a quick trip downtown, accessible via a shuttle from the terminal.

Our travel experts

Bill Fink

Expert on ONT

Ramsey Qubein

Expert on SLC

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

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

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

The price you pay for your flight from Ontario to Salt Lake City may vary depending on when you book. For the best chance of a lower fare, look to book 69 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 Ontario to Salt Lake City?

Currently, October is the cheapest month in which you can book a flight from Ontario to Salt Lake City (average of $277). Flying from Ontario to Salt Lake City in March is currently the most expensive (average of $417). 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 ONT to SLC?

Unlike in the morning, when flights are generally more expensive, you can save up to 78% on flights from Ontario to Salt Lake City by exploring options for tickets in the evening.

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

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

Weekly flight availability from Ontario to Salt Lake City

The most flights from ONT to SLC are scheduled on a Wednesday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Salt Lake City by month

In terms of precipitation, rainfall in Salt Lake City ranges from 0.6 - 2.0 inches per month. April is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Salt Lake City when rainfall is around 0.6 in.

Temperature in Salt Lake City by month

If weather is an important factor for your trip to Salt Lake City, use this chart to help with planning. For those seeking warmer temperatures, July 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 January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Salt Lake City

Read through reviews of airlines operating flights from Ontario to Salt Lake City, such as Southwest, Alaska Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

10.0

Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Southwest

8.1

Very good

4,273 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

10.0

Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Alaska Airlines

8.0

Very good

9,792 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

10.0

Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Delta

8.0

Very good

7,895 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

10.0

Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Hawaiian Airlines

7.9

Good

2,334 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

10.0

Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

United Airlines

7.4

Good

8,603 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

10.0

Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Related info for your journey

What airports do I use to fly from Ontario to Salt Lake City?
Salt Lake City is the airport most travelers will use when flying to Salt Lake City from Ontario. Booking flights from Ontario (ONT) to Salt Lake City (SLC) should be relatively easy as there are 2 daily flights to Salt Lake City from 6 different airlines. 1h 43m is how long a flight from Ontario to Salt Lake City will take if you book a nonstop flight.
How popular is this Ontario to Salt Lake City flight route?
This flight path from Ontario to Salt Lake City was viewed by 41 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 Ontario to Salt Lake City round-trip?
According to our current data, Southwest ($238), Delta ($239), and Frontier ($250) offers the cheapest pricing from Ontario to Salt Lake City.
What are the cheapest airlines to fly from Ontario to Salt Lake City one-way?
For one-way options, check prices for Frontier. According to our data, you can fly for as low as $89. Users have also found prices from $109 and $114 on United Airlines and Southwest, respectively.
What are the most reliable airlines from Ontario to Salt Lake City?
Consider SkyWest Airlines (98%), Aeromexico (97%) or Air France (95%) when booking your flight. These represent the most reliable airlines when flying from Ontario to Salt Lake City.
What are the cheapest flights from Ontario to Salt Lake City?
On average you can expect to pay $461 for a flight from Ontario to Salt Lake City. The cheapest flight overall is $132 while the most popular route, (Ontario - Salt Lake City) is currently priced at $200.
Can I find deals for flights from Ontario to Salt Lake City that include hotel bookings?
Yes. In addition to deals on Ontario to Salt Lake City flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Salt Lake City?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Salt Lake City.
Can I find deals for business class flights from Ontario to Salt Lake City?
Yes. Cheapflights offers flight deals from Ontario to Salt Lake City 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 Ontario to Salt Lake City?
Currently, October is the cheapest month in which you can book a flight from Ontario to Salt Lake City (average of $277). Flying from Ontario to Salt Lake City in March is currently the most expensive (average of $417). 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

Draper

Midvale

Bountiful

West Valley City

Layton

Farmington

Logan

West Jordan

Evanston

South Jordan

Lehi

Sandy

Browse thousands of different options on Cheapflights for your next trip

Top 6 airlines flying from Ontario to Salt Lake City

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$33	Average$105	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$43	Average$110	FlexibilityNo cancel fee	On-time62%
Breeze Airways	Cheapest$128	Average$175	FlexibilityNo cancel fee	On-timeN/A
Delta	Cheapest$138	Average$272	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$236	Average$322	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$237	Average$317	FlexibilityNo cancel fee	On-time63%

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$89+ Cheap flights from Ontario to Salt Lake City (ONT - SLC)

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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Salt Lake City with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Ontario to Salt Lake City are usually found in June or July, booked 69 days in advance, depart on a Thursday or Friday and return on a Saturday

Cheap flight deals from Ontario to Salt Lake City

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Ontario to Salt Lake City

Cheapest flights from Ontario to Salt Lake CityExplore the most affordable flight options available from Ontario to Salt Lake City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 27, 2025.

Explore the most affordable flight options available from Ontario to Salt Lake City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 27, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Salt Lake City that are best for you.

Compare providers for flights from Ontario to Salt Lake City

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 Ontario to Salt Lake City in March.

The best insider tips for Ontario to Salt Lake City flights

Cheapflights partnered with top experts to bring you the best recommendations for your Ontario to Salt Lake City trip

Airports

ONT

SLC

Our travel experts

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

Have a flexible travel schedule? Discover the best time to fly to Salt Lake City from Ontario with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Salt Lake City

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

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Salt Lake City. Price data was last updated on March 21, 2025.

What is the cheapest month to book a flight from Ontario to Salt Lake City?

What is the cheapest time of day to fly from ONT to SLC?

Find hourly flight availability from Ontario to Salt Lake City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 27, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from Ontario to Salt Lake City. Price data was last updated on March 23, 2025.

Weekly flight availability from Ontario to Salt Lake City

Rainfall in Salt Lake City by month

Plan your trip to Salt Lake City by taking into account the average rainfall totals by month.

Temperature in Salt Lake City by month

Plan your trip to Salt Lake City by taking into account the average temperature totals by month.

Reviews of airlines servicing Salt Lake City

Read through reviews of airlines operating flights from Ontario to Salt Lake City, such as Southwest, Alaska Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Salt Lake City. 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 Ontario to Salt Lake City?

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

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

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

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

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

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

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

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

What is the cheapest month to book a flight from Ontario to Salt Lake City?

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Alternative routes for Ontario to Salt Lake City

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Top 6 airlines flying from Ontario to Salt Lake City

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Cheapest flights from Ontario to Salt Lake City
Explore the most affordable flight options available from Ontario to Salt Lake City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 27, 2025.