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$94 Cheap Flights from Ontario Intl. Airport (ONT) to Salt Lake City (SLC)

View $94 flight on Thu, Oct 29, 2026Opens in a new window

Popular airlines from Ontario Intl. Airport (ONT) to Salt Lake City International Airport (SLC)

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Cheap Flights from Ontario Intl. Airport to Salt Lake City (ONT-SLC)

Prices were available within the past 7 days and start at $94 for one-way flights and $181 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Oct 30 - Sat, Nov 7
ONT
Ontario
SLC
Salt Lake City
$181 Roundtrip, found 13 hours ago
$181
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Fri, Oct 30 from Ontario to Salt Lake City, returning Sat, Nov 7, priced at $181 found 13 hours ago
Frontier Airlines
Thu, Oct 29 - Sat, Oct 31
ONT
Ontario
SLC
Salt Lake City
$184 Roundtrip, found 15 hours ago
$184
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Thu, Oct 29 from Ontario to Salt Lake City, returning Sat, Oct 31, priced at $184 found 15 hours ago
Frontier Airlines
Mon, Oct 5 - Wed, Oct 7
ONT
Ontario
SLC
Salt Lake City
$197 Roundtrip, found 15 hours ago
$197
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Mon, Oct 5 from Ontario to Salt Lake City, returning Wed, Oct 7, priced at $197 found 15 hours ago
Frontier Airlines
Tue, Oct 6 - Fri, Oct 16
ONT
Ontario
SLC
Salt Lake City
$198 Roundtrip, found 1 day ago
$198
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Oct 6 from Ontario to Salt Lake City, returning Fri, Oct 16, priced at $198 found 1 day ago
Frontier Airlines
Wed, Oct 28 - Thu, Nov 5
ONT
Ontario
SLC
Salt Lake City
$199 Roundtrip, found 1 day ago
$199
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Oct 28 from Ontario to Salt Lake City, returning Thu, Nov 5, priced at $199 found 1 day ago
Frontier Airlines
Fri, Oct 30 - Sat, Nov 7
ONT
Ontario
SLC
Salt Lake City
$203 Roundtrip, found 13 hours ago
$203
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Fri, Oct 30 from Ontario to Salt Lake City, returning Sat, Nov 7, priced at $203 found 13 hours ago
Southwest Airlines
Tue, Nov 10 - Sat, Nov 14
ONT
Ontario
SLC
Salt Lake City
$210 Roundtrip, found 11 hours ago
$210
Roundtrip
found 11 hours ago
Select Southwest Airlines flight, departing Tue, Nov 10 from Ontario to Salt Lake City, returning Sat, Nov 14, priced at $210 found 11 hours ago
Delta
Fri, Oct 16 - Sun, Oct 18
ONT
Ontario
SLC
Salt Lake City
$339 Roundtrip, just found
$339
Roundtrip
just found
Select Delta flight, departing Fri, Oct 16 from Ontario to Salt Lake City, returning Sun, Oct 18, priced at $339 just found
American Airlines
Fri, Dec 25 - Tue, Dec 29
ONT
Ontario
SLC
Salt Lake City
$359 Roundtrip, just found
$359
Roundtrip
just found
Select American Airlines flight, departing Fri, Dec 25 from Ontario to Salt Lake City, returning Tue, Dec 29, priced at $359 just found
United
Fri, Oct 23 - Sun, Oct 25
ONT
Ontario
SLC
Salt Lake City
$439 Roundtrip, just found
$439
Roundtrip
just found
Select United flight, departing Fri, Oct 23 from Ontario to Salt Lake City, returning Sun, Oct 25, priced at $439 just found

Alternative airports near Salt Lake City

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Salt Lake City Intl. SLC. Cheapest and Closest option available. Average driving time to city center is 12 minutes. Flights from $338
SLC
Salt Lake City Intl.
CheapestClosest
Average driving time to city center12 min
Flights from $338

Find the cheapest month to fly from Ontario (ONT) to Salt Lake City (SLC)

October is typically the cheapest month to fly

From $168 - $212 per traveler.

What you need to know for your flight from Ontario Intl. Airport to Salt Lake City Intl.

Ontario (ONT) to Salt Lake City (SLC) at a glance

Travel from Ontario (ONT) to Salt Lake City (SLC) with a selection of airlines offering this domestic short-haul option. Whether you’re looking for cheap flights from Ontario or prefer full-service carriers, you can easily compare itineraries that suit your budget and schedule. As you plan your visit to explore the iconic attractions and neighborhoods of Salt Lake City, gather all the essential details for flights from Los Angeles - Ontario International Airport (ONT) to Salt Lake City International Airport (SLC).

  • Fastest flight duration: around 1h 45m non-stop
  • Route distance: roughly 600 miles (970 km)
  • Flights per week: around 25+ flights with multiple daily departures on average
  • Typical fares (one-way): economy tickets often range from $70–$420, depending on seasonality and how far ahead you book

Flights from Los Angeles - Ontario International Airport (ONT) to Salt Lake City International Airport (SLC)

Based on recent traveler bookings, here are the top airlines flying from Ontario to Salt Lake City, favored for both non-stop and one-stop options. Popular layover points include Harry Reid International Airport (LAS) with a layover of about 1 hour and 15 minutes, Denver International Airport (DEN) at around 2 hours, and Sky Harbor International Airport (PHX) with approximately a 1-hour layover. These choices allow you to customize your journey by balancing price, total travel time, and cabin class to secure the ideal itinerary.

  • Delta: A comprehensive airline that provides non-stop flights, Delta's one-way ticket prices generally range from $105 to $450. This carrier accounts for about 63% of all departures on this route, with an overall travel duration of 1 hour and 45 minutes.
  • Southwest Airlines: As a budget-friendly airline, Southwest offers both non-stop and one-stop options, with one-way fares typically between $100 and $340. It represents around 18% of departures along this route, featuring an average in-flight duration of 3 hours, culminating in a total travel time of approximately 4 hours and 30 minutes.
  • Frontier Airlines: This economical airline provides both non-stop and one-stop services, with one-way fares ranging from $70 to $225. Frontier accounts for roughly 15% of the departures on this route, with non-stop flight times averaging 1 hour and 45 minutes.
  • American Airlines: A full-service carrier offering one-stop flights, American Airlines typically charges between $100 and $360 for one-way fares. It covers about 3% of departures on this route, with an in-flight duration of 3 hours and a total travel time of around 4 hours and 30 minutes, including layover time.
  • United: Another full-service airline, United provides one-stop services with one-way fares generally between $130 and $475. It constitutes about 1% of departures on this route, featuring an in-flight time of 3 hours and a total journey duration of approximately 4 hours and 30 minutes, factoring in layovers.

Travelers flying from Ontario to Salt Lake City have the option to upgrade their experience with Delta's first class and premium economy service on this route.

Best time to fly from Ontario (ONT) to Salt Lake City (SLC)

The most popular months for travelers flying from Ontario to Salt Lake City are January, February, and April, when peak temperatures in Salt Lake City reach up to 46.4°F in April. If you prefer quieter travel, consider August, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 74.7°F. For better deals, October usually offers the lowest average one-way fare around $200. Flight availability peaks in May, with approximately 31 flights per week, making it easier to find convenient departure times. February and December have the fewest flights, with approximately 20 flights per week.

  • Cheapest time to fly: October usually offers good deals with average one-way fare around $200, roughly 7% cheaper than the yearly average.
  • More budget-friendly months to fly: September, February, and June typically offer average one-way fares of around $204.
  • Most flight options: May has the highest number of flights from Ontario to Salt Lake City, with approximately 31 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January27.5°F (-2.5°C)Moderately High21$210
February30.7°F (-0.7°C)Moderately High20$205
March39.2°F (4.0°C)Average22$245
April46.4°F (8.0°C)Moderately High26$230
May56.1°F (13.4°C)Average31$207
June67.8°F (19.9°C)Average29$206
July77.5°F (25.3°C)Average28$214
August74.7°F (23.7°C)Moderately Low25$216
September66.0°F (18.9°C)Average29$202
October50.9°F (10.5°C)Average27$200
November38.5°F (3.6°C)Moderately Low25$229
December28.4°F (-2.0°C)Moderately Low20$229

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Ontario (ONT) to Salt Lake City (SLC)

  • Orange County to Salt Lake City (SNA-SLC): John Wayne Airport (SNA) is located approximately 31 miles from Los Angeles - Ontario International Airport (ONT). One-way economy prices for this journey generally vary between $50 and $500, influenced by the season and how far in advance you book. The route offers both non-stop and one-stop flight options. Major airlines operating on this route include Delta and the budget-friendly Frontier Airlines. Additionally, first-class service is available for travelers seeking a more premium experience.

How to find the best prices for flights from Ontario (ONT) to Salt Lake City (SLC)

Getting some of the best deals on flights from Ontario to Salt Lake City is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking 2-8 weeks in advance, coinciding with when most travelers make their reservations. Evening departures between 6 PM and midnight often offer lower prices, although afternoon flights from 12 PM to 6 PM are more popular. Additionally, flying on Thursday provides both cheaper rates and is the most favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Salt Lake City International Airport from Los Angeles - Ontario International Airport

Salt Lake City welcomes travelers from Ontario with a range of transport options based on price, convenience, and proximity. Here's how to reach Salt Lake City efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Salt Lake City, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Salt Lake City International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Salt Lake City International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Salt Lake City International Airport, Airport Station, a metro station, is located about 0.2 miles away on foot, while Salt Lake City Bus Station, a bus station, is approximately 6.5 miles from the airport and best reached by car.

Frequently asked questions

How much does a flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.) cost?
You can find cheap one-way flights from $94 and cheap return flights from $181 Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.) with Expedia. One-way flights usually range from $177 to $832, and return flights typically cost between $293 and $910. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
May is the cheapest month to fly from Ontario, CA (ONT) to Salt Lake City, UT (SLC), with average round-trip fares around $311. This price is about 12% lower than the average throughout the year, as May typically sees a drop in travel demand. Other economical months to consider are August and October.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
2 airlines operate nonstop service from ONT to SLC:

  • Delta operates around 30 direct flights from ONT to SLC every week
  • Frontier Airlines operates around 7 direct flights from ONT to SLC every week

What is the cheapest airline that flies from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
Frontier Airlines is one of the cheapest airlines offering nonstop flights from Ontario, CA (ONT) to Salt Lake City, UT (SLC), with round-trip tickets starting from around $395. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
To find a cheap flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
The best airline to fly with from Ontario, CA (ONT) to Salt Lake City, UT (SLC) will differ from traveler to traveler. If you like to fly early, Delta offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. WN offers the most daily flights from Ontario to Salt Lake City, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
For flights from Ontario (ONT) to Salt Lake City (SLC), May and October stand out as the best months to travel. Both months are popular, with return flights averaging around $311. This timing allows you to enjoy the beautiful spring and fall seasons while benefiting from good flight availability.*Prices based on flights available on Expedia in the last year.
How many flights per day from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
There are approximately 4 nonstop flights per day from Los Angeles - Ontario Intl. (ONT) to Salt Lake City Intl. (SLC). For more options, look at flights that include layovers.
What is the earliest flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
The earliest flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.) usually departs at around 12:05 AM, operated by Frontier Airlines. This early departure can help you maximize your time in Salt Lake City. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
The most popular departure times for flights from Ontario, CA (ONT) to Salt Lake City, UT (SLC) are in the morning, from 6am to 9am. About 29% of passengers prefer this time window. Many major carriers, including Southwest Airlines, Delta, and Alaska Airlines, offer flights during this window. This timing works well because it allows you to arrive in Salt Lake City with plenty of time to explore the area.
How long does it take to fly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
Direct flights from ONT to SLC usually take about 1 hour 50 minutes, traveling roughly 557 miles. If you opt for a connecting flight, expect to add around 5 hours 30 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
You can fly first class between ONT and SLC. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines
  • Hawaiian Airlines

How much is a business class flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
A direct, return business class ticket from Ontario (ONT) to Salt Lake City (SLC) typically costs between $1,038 - $1,323. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.) flight with Expedia?
It's easy to earn miles on a Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Salt Lake City from Los Angeles - Ontario Intl. (ONT)?
If you're planning to travel to Salt Lake City from Los Angeles - Ontario Intl. (ONT), you can fly into Salt Lake City Intl. (SLC) Some flights may connect through major hubs like San Francisco Intl. (SFO), Portland Intl. (PDX), Seattle - Tacoma Intl. (SEA) before reaching Salt Lake City. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.) at the last minute?
Typically, booking a last minute flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.) flight and hotel package?
Securing a Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.) Salt Lake City Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
If you booked your Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Salt Lake City, UT (SLC-Salt Lake City Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Ontario Intl. Airport
Destination airport
Salt Lake City Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$181
Distance
556 mi
Average flight time
2 hours 51 mins

Book with confidence

Ontario Intl. Airport to Salt Lake City Flights

The cheapest times to fly from Ontario Intl. Airport to Salt Lake City

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Ontario Intl. Airport to Salt Lake City are during the month of October. You can find some of the cheapest flights from Ontario Intl. Airport to Salt Lake City with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ontario Intl. Airport to Salt Lake City

Sunday is one of the best days to book for cheap flights from Ontario Intl. Airport to Salt Lake City: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Ontario Intl. Airport to Salt Lake City

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Ontario Intl. Airport to Salt Lake City in 2026. You can also book with separate airlines for your outbound and return journeys, from $94 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Ontario Intl. Airport to Salt Lake City flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Ontario Intl. Airport to Salt Lake City airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Ontario Intl. Airport to Salt Lake City Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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