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Uncover the best deals on Ontario to Salt Lake City flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest ONT - SLC Flights
Useful information for finding best airline tickets from Ontario International to Salt Lake City International on your next trip.
Cheapest Round Trip Flight
$172
Frontier Airlines
• nonstop
•
Jul 01 – Jul 08
The cheapest round trip flight from Ontario to Salt Lake City (ONT-SLC-ONT) is currently $172
Cheapest One way Flight
$315
Southwest Airlines
• 1 stop
• 11h 50m
Jun 25
The cheapest one way flight from Ontario to Salt Lake City (ONT-SLC) is currently $315
Cheapest Direct Flight
$172
Frontier Airlines
• nonstop
•
Jul 01
The cheapest nonstop flight from Ontario to Salt Lake City (ONT-SLC) is currently $172
Fastest Flight
2h 25m
The fastest nonstop flight from Ontario to Salt Lake City (ONT-SLC) takes 2h 25m
Top Airlines Flying from Ontario to Salt Lake City
Latest Flight Deals from Ontario (ONT) to Salt Lake City (SLC)
Compare and book low fare round-trip air tickets from Ontario to Salt Lake City. Ideal for travelers with confirmed return itineraries.
Jul 01 - Jul 08, Economy
Ontario → Salt Lake City
- • nonstop
Ontario → Salt Lake City
- • nonstop
Frontier Airlines
Jul 01 - Jul 08, Economy
Ontario → Salt Lake City
2h 36m
5:21 PM - 8:17 PM • nonstop
Ontario → Salt Lake City
2h 27m
8:00 AM - 8:47 AM • nonstop
Delta Airlines
Jul 01 - Jul 08, Economy
Ontario → Salt Lake City
12h 36m
12:04 PM - 7:47 PM • 1 stop
Ontario → Salt Lake City
7h 39m
6:23 AM - 6:03 PM • 2 stops
Alaska Airlines
Jul 01 - Jul 08, Economy
Ontario → Salt Lake City
26h 43m
6:10 AM - 11:13 PM • 1 stop
Ontario → Salt Lake City
5h 53m
6:50 PM - 9:43 PM • 1 stop
American Airlines
Jul 01 - Jul 08, Economy
Ontario → Salt Lake City
15h 55m
6:00 AM - 4:55 PM • 1 stop
Ontario → Salt Lake City
8h 37m
8:30 AM - 12:47 PM • 1 stop
United Airlines
Explore competitive one-way airfare options for ONT - SLC flights. Best suited for flexible or open-ended travel plans.
Jun 25, Economy
Ontario → Salt Lake City
18h 40m
6:15 AM - 6:35 PM • 2 stops
Southwest Airlines
Flying to Salt Lake City soon? We've surfaced some of the most affordable last-minute flights from Ontario to Salt Lake City, ideal for urgent plans or spontaneous trips.
Jun 25, Economy
Ontario → Salt Lake City
18h 40m
6:15 AM - 6:35 PM • 2 stops
Southwest Airlines
Looking for the fastest way to Salt Lake City? These direct flight options from ONT to SLC offer both convenience and value—no layovers, just straight to your destination.
Jul 01 - Jul 08, Economy
Ontario → Salt Lake City
- • nonstop
Ontario → Salt Lake City
- • nonstop
Frontier Airlines
Jul 01 - Jul 08, Economy
Ontario → Salt Lake City
- • nonstop
Ontario → Salt Lake City
- • nonstop
Delta Airlines
Jul 01 - Jul 08, Economy
Ontario → Salt Lake City
- • nonstop
Ontario → Salt Lake City
- • nonstop
United Airlines
Jul 01 - Jul 08, Economy
Ontario → Salt Lake City
- • nonstop
Ontario → Salt Lake City
- • nonstop
United Airlines
Jul 01 - Jul 08, Economy
Ontario → Salt Lake City
2h 36m
5:21 PM - 8:17 PM • nonstop
Ontario → Salt Lake City
2h 27m
8:00 AM - 8:47 AM • nonstop
Delta Airlines
FAQs on Ontario to Salt Lake City Flights
What are the airports in Ontario?
ONT
What’s the most popular airline flying from ONT to SLC?
The most popular airline flying from Ontario to Salt Lake City are
Can I fly from ONT to SLC non-stop?
Yes, you can fly ONT to SLC non-stop on
Which airlines fly nonstop between Ontario and Salt Lake City?
The non-stop flights between Ontario and Salt Lake City are .
What’s the earliest departure time from ONT to SLC Airport?
The earliest flight leaves ONT at 5:15 am and lands in SLC - Salt Lake City International
What are the airports in Salt Lake City?
SLC
Can I make changes to my Ontario to Salt Lake City flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from ONT to SLC?
Read the fare rules of the Ontario to Salt Lake City air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Ontario and Salt Lake City?
operate flights between Ontario and Salt Lake City
How long does a flight from Ontario to Salt Lake City take?
It takes approximately 2 hour to fly non-stop from ONT to SLC, which is 557.57 miles by air.
Which airlines provide the cheapest flights from Ontario (ONT) to Salt Lake City (SLC) ?
In the past couple of days, the cheapest tickets to SLC from ONT were found on WN : USD 415
Do I need a passport to fly between ONT and SLC?
No
What’s the latest departure time from ONT to SLC ?
The last flight leaves ONT at 8:1900 pm
Ontario (ONT) to Salt Lake City (SLC): Airport Information
| Origin Airport | Ontario International , Ontario, US |
| Destination Airport | Salt Lake City International , Salt Lake City, US |
| Distance | 558 miles |
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