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£207 Cheap Flights from Salt Lake City (SLC) to Ontario Intl. Airport (ONT)

View £207 flight on Wed, 8 Jul 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £207 for one-way flights and £367 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, 26 Aug - Sat, 5 Sept
SLC
Salt Lake City
ONT
Ontario
£367 Return, found 4 days ago
£367
Return
found 4 days ago
Select Alaska Airlines flight, departing Wed, 26 Aug from Salt Lake City to Ontario, returning Sat, 5 Sept, priced at £367 found 4 days ago
Delta
Fri, 19 Jun - Fri, 26 Jun
SLC
Salt Lake City
ONT
Ontario
£388 Return, found 1 day ago
£388
Return
found 1 day ago
Select Delta flight, departing Fri, 19 Jun from Salt Lake City to Ontario, returning Fri, 26 Jun, priced at £388 found 1 day ago
Alaska Airlines
Wed, 26 Aug - Sat, 5 Sept
SLC
Salt Lake City
ONT
Ontario
£410 Return, found 4 days ago
£410
Return
found 4 days ago
Select Alaska Airlines flight, departing Wed, 26 Aug from Salt Lake City to Ontario, returning Sat, 5 Sept, priced at £410 found 4 days ago
Alaska Airlines
Thu, 9 Jul - Mon, 13 Jul
SLC
Salt Lake City
ONT
Ontario
£413 Return, found 1 day ago
£413
Return
found 1 day ago
Select Alaska Airlines flight, departing Thu, 9 Jul from Salt Lake City to Ontario, returning Mon, 13 Jul, priced at £413 found 1 day ago
Alaska Airlines
Wed, 26 Aug - Sat, 5 Sept
SLC
Salt Lake City
ONT
Ontario
£424 Return, found 4 days ago
£424
Return
found 4 days ago
Select Alaska Airlines flight, departing Wed, 26 Aug from Salt Lake City to Ontario, returning Sat, 5 Sept, priced at £424 found 4 days ago
Alaska Airlines
Wed, 15 Jul - Sat, 18 Jul
SLC
Salt Lake City
ONT
Ontario
£429 Return, found 2 days ago
£429
Return
found 2 days ago
Select Alaska Airlines flight, departing Wed, 15 Jul from Salt Lake City to Ontario, returning Sat, 18 Jul, priced at £429 found 2 days ago
American Airlines
Fri, 19 Jun - Fri, 26 Jun
SLC
Salt Lake City
ONT
Ontario
£433 Return, found 1 day ago
£433
Return
found 1 day ago
Select American Airlines flight, departing Fri, 19 Jun from Salt Lake City to Ontario, returning Fri, 26 Jun, priced at £433 found 1 day ago
Alaska Airlines
Thu, 9 Jul - Mon, 13 Jul
SLC
Salt Lake City
ONT
Ontario
£439 Return, found 1 day ago
£439
Return
found 1 day ago
Select Alaska Airlines flight, departing Thu, 9 Jul from Salt Lake City to Ontario, returning Mon, 13 Jul, priced at £439 found 1 day ago
Alaska Airlines
Tue, 7 Jul - Tue, 14 Jul
SLC
Salt Lake City
ONT
Ontario
£440 Return, found 5 days ago
£440
Return
found 5 days ago
Select Alaska Airlines flight, departing Tue, 7 Jul from Salt Lake City to Ontario, returning Tue, 14 Jul, priced at £440 found 5 days ago
United
Mon, 15 Jun - Mon, 22 Jun
SLC
Salt Lake City
ONT
Ontario
£471 Return, found 10 hours ago
£471
Return
found 10 hours ago
Select United flight, departing Mon, 15 Jun from Salt Lake City to Ontario, returning Mon, 22 Jun, priced at £471 found 10 hours ago

Alternative airports near Ontario

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

Select flight to Los Angeles - Ontario Intl. ONT. Cheapest and Closest option available. Average driving time to city centre is 8 minutes. Flights from £518
ONT
Los Angeles - Ontario Intl.
CheapestClosest
Average driving time to city centre8 min
Flights from £518

Frequently asked questions

Which airlines fly direct from Salt Lake City, UT (SLC-Salt Lake City Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
Enter SLC to ONT and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Salt Lake City, UT (SLC-Salt Lake City Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
To find a cheap flight from Salt Lake City, UT (SLC-Salt Lake City Intl.) to Ontario, CA (ONT-Los Angeles - Ontario 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 Salt Lake City, UT (SLC-Salt Lake City Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
The best airline to fly with from Salt Lake City, UT (SLC-Salt Lake City Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) will differ from traveler to traveler. If you like to fly early, DL offers early morning flights. If price is the most important factor, F9 typically offers the lowest fares. WN offers the most daily flights from Salt Lake City, UT (SLC-Salt Lake City Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.), 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 Salt Lake City, UT (SLC-Salt Lake City Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Salt Lake City, UT (SLC-Salt Lake City Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
There are approximately 5 nonstop flights per day from Salt Lake City, UT (SLC-Salt Lake City Intl.) (SLC) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) (ONT). For even more choice, look at flights that include layovers, as there are around 70 connecting flights per day. Some common connection points include Seattle - Tacoma Intl. (SEA), Denver Intl. (DEN), and Harry Reid Intl. (LAS).
What is the earliest flight from Salt Lake City, UT (SLC-Salt Lake City Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
The earliest flight from Salt Lake City Intl. (SLC) to Los Angeles - Ontario Intl. (ONT) typically departs at approximately 12:55 AM local time, operated by American Airlines. This is a seasonal service active in August. An early departure like this can help you maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Salt Lake City, UT (SLC-Salt Lake City Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
You'll typically find the most flights from Salt Lake City International Airport (SLC) to Los Angeles - Ontario International Airport (ONT) on a Friday, with around 57 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Southwest Airlines, Alaska Airlines, and United Airlines. Friday offers notably more flight options compared to other days of the week.
What are the most popular departure times for flights from Salt Lake City, UT (SLC-Salt Lake City Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
The most popular departure times for flights from Salt Lake City Intl. (SLC) to Los Angeles - Ontario Intl. (ONT) are in the morning, from 9am to 12pm. About 26 CAD% of passengers prefer this time. Many major carriers, including Southwest Airlines, Delta Air Lines and Frontier Airlines, offer flights during this window. This timing works well because it allows you to start your travel day without an extremely early wake-up, and you'll arrive in Ontario with plenty of time for your afternoon plans.
How long does it take to fly from Salt Lake City, UT (SLC-Salt Lake City Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
Flying nonstop from SLC to ONT takes around 1 hour 50 minutes, with the route covering approximately 557 miles. Flights with a layover typically take 5 hours 30 minutes longer than direct options. 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 Salt Lake City, UT (SLC-Salt Lake City Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
Select the "Business class" and "First class" filters when looking for SLC to ONT flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Salt Lake City, UT (SLC-Salt Lake City Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) flight with Expedia?
It's easy to earn miles on a Salt Lake City, UT (SLC-Salt Lake City Intl.) to Ontario, CA (ONT-Los Angeles - Ontario 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 Ontario from Salt Lake City Intl. (SLC)?
If you're planning to travel to Ontario from Salt Lake City Intl. (SLC), you can fly into Los Angeles - Ontario Intl. (ONT) Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Los Angeles Intl. (LAX), Portland Intl. (PDX) before reaching Ontario. 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 Salt Lake City, UT (SLC-Salt Lake City Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) at the last minute?
Typically, booking a last minute flight from Salt Lake City, UT (SLC-Salt Lake City Intl.) to Ontario, CA (ONT-Los Angeles - Ontario 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 Salt Lake City, UT (SLC-Salt Lake City Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) flight and hotel package?
Securing a Salt Lake City, UT (SLC-Salt Lake City Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) flight and hotel package 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 Salt Lake City, UT (SLC-Salt Lake City Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
If you booked your Salt Lake City, UT (SLC-Salt Lake City Intl.) to Ontario, CA (ONT-Los Angeles - Ontario 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

0
Origin airport
Salt Lake City Intl.
Destination airport
Ontario Intl. Airport
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Return price
£367
Distance
890 km

Book with confidence

Compare flights from Salt Lake City to Ontario Intl. Airport easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Salt Lake City to Ontario Intl. Airport. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Ontario Intl. Airport in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Salt Lake City Intl. to Ontario Intl. Airport.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Salt Lake City Intl. (SLC) to Ontario Intl. Airport (ONT)

The easiest way to view the best deals on flights from Salt Lake City to Ontario Intl. Airport today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Salt Lake City Intl. to Ontario Intl. Airport start at just £367 and range up to £471.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Salt Lake City and Ontario Intl. Airport
  • booking your flight during August, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Salt Lake City to Ontario Intl. Airport flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Salt Lake City Intl. to Ontario Intl. Airport for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Salt Lake City to Ontario Intl. Airport easily and book with confidence

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