Cheap Flights from Ontario International to Salt Lake City

Compare Ontario International to Salt Lake City flight deals

Find the cheapest month or even day of the year to fly to Salt Lake City

Book the best Salt Lake City fare with no extra fees

Flight deals from Ontario International to Salt Lake City

Looking for a cheap last-minute deal or the best return flight from Ontario International Airport to Salt Lake City Airport? If you want to travel next month, return fares start from R 2,510. Find the lowest prices on one-way and return tickets right here.

Salt Lake City.R 1,019 per passenger.Departing Wed, 4 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Wed, 4 Nov, arriving in Salt Lake City.Price includes taxes and charges.From R 1,019, select.

Salt Lake City.R 1,100 per passenger.Departing Sat, 19 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Sat, 19 Sep, arriving in Salt Lake City.Price includes taxes and charges.From R 1,100, select.

Salt Lake City.R 1,120 per passenger.Departing Tue, 18 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Tue, 18 Aug, arriving in Salt Lake City.Price includes taxes and charges.From R 1,120, select.

Salt Lake City.R 1,136 per passenger.Departing Thu, 1 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Thu, 1 Oct, arriving in Salt Lake City.Price includes taxes and charges.From R 1,136, select.

Salt Lake City.R 2,085 per passenger.Departing Tue, 5 Jan.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Tue, 5 Jan, arriving in Salt Lake City.Price includes taxes and charges.From R 2,085, select.

Salt Lake City.R 2,150 per passenger.Departing Mon, 7 Dec.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Mon, 7 Dec, arriving in Salt Lake City.Price includes taxes and charges.From R 2,150, select.

Salt Lake City.R 2,201 per passenger.Departing Wed, 10 Feb.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Wed, 10 Feb, arriving in Salt Lake City.Price includes taxes and charges.From R 2,201, select.

Salt Lake City.R 2,826 per passenger.Departing Wed, 24 Mar.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Wed, 24 Mar, arriving in Salt Lake City.Price includes taxes and charges.From R 2,826, select.

Salt Lake City.R 3,005 per passenger.Departing Fri, 31 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Fri, 31 Jul, arriving in Salt Lake City.Price includes taxes and charges.From R 3,005, select.

Salt Lake City.R 3,062 per passenger.Departing Thu, 1 Apr.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Thu, 1 Apr, arriving in Salt Lake City.Price includes taxes and charges.From R 3,062, select.

Salt Lake City.R 3,525 per passenger.Departing Thu, 10 Sep.One-way flight with KLM.Outbound direct flight with KLM departs from Ontario International on Thu, 10 Sep, arriving in Salt Lake City.Price includes taxes and charges.From R 3,525, select.

Salt Lake City.R 3,570 per passenger.Departing Fri, 2 Oct.One-way flight with KLM.Outbound direct flight with KLM departs from Ontario International on Fri, 2 Oct, arriving in Salt Lake City.Price includes taxes and charges.From R 3,570, select.

Salt Lake City.R 3,672 per passenger.Departing Mon, 24 Aug.One-way flight with KLM.Outbound direct flight with KLM departs from Ontario International on Mon, 24 Aug, arriving in Salt Lake City.Price includes taxes and charges.From R 3,672, select.

Salt Lake City.R 3,722 per passenger.Departing Sun, 1 Nov.One-way flight with Delta.Outbound direct flight with Delta departs from Ontario International on Sun, 1 Nov, arriving in Salt Lake City.Price includes taxes and charges.From R 3,722, select.

Salt Lake City.R 3,724 per passenger.Departing Mon, 28 Dec.One-way flight with Delta.Outbound direct flight with Delta departs from Ontario International on Mon, 28 Dec, arriving in Salt Lake City.Price includes taxes and charges.From R 3,724, select.

Salt Lake City.R 3,778 per passenger.Departing Mon, 12 Apr.One-way flight with KLM.Outbound direct flight with KLM departs from Ontario International on Mon, 12 Apr, arriving in Salt Lake City.Price includes taxes and charges.From R 3,778, select.

Find the cheapest month to fly from Ontario International to Salt Lake City

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ontario International to Salt Lake City flights are currently cheapest in November.

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Direct flights from Ontario International to Salt Lake City

Ontario International to Salt Lake City: Alternative routes

Compare routes from Ontario International to Salt Lake City below. You may find an airport to fly into that's cheaper, faster, or easier than Salt Lake City.

Ontario to Salt Lake City: Flight information

The things to know before you go.

Cheapest flight found	R 1,019
Cheapest month to fly	November
Average flight time	1 hr, 52 mins
Most popular airline	Delta
Average flights per week	112

Finding cheap flights from Ontario International to Salt Lake City: Frequently asked questions

How much are return flights from Ontario International to Salt Lake City?

The best price we found for a return flight from Ontario International to Salt Lake City is R 2,272. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Ontario International to Salt Lake City?

1 hour and 52 minutes is the average flight time from Ontario International to Salt Lake City.

Which airlines fly direct from Ontario International to Salt Lake City?

Delta, SkyWest Airlines and KLM fly direct from Ontario International to Salt Lake City.

How many flights are there a week from Ontario International to Salt Lake City?

As of July 2026, there are 112 flights per week flying from Ontario International to Salt Lake City.

When is the cheapest time to fly from Ontario International to Salt Lake City?

The cheapest month to fly from Ontario International to Salt Lake City is usually September.

Which upcoming date is cheapest to fly from Ontario International Airport to Salt Lake City Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ontario International Airport to Salt Lake City Airport on Wednesday, 9 September 2026.

Can I get a direct flight from Ontario International Airport to Salt Lake City Airport?

Yes – the average flight time is 1 hour and 52 minutes.

How can I find the best flight deal to Salt Lake City?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Salt Lake City but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Salt Lake City?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Salt Lake City is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Ontario International Airport to Salt Lake City with?

Currently, Frontier Airlines and KLM offer the cheapest flight tickets to Salt Lake City.

Flying from Ontario International Airport (ONT) to Salt Lake City Airport (SLC): what you need to know

Hop on a direct flight from Ontario International Airport to Salt Lake City Airport and you'll be in the air for an average of 1 hour 50 minutes.
Salt Lake City is one hour ahead of Ontario and follows the UTC-7 timezone.
You can take your pick of 24 weekly Ontario International Airport to Salt Lake City Airport flights.
Arrive at the airport on time so you don't miss your ONT to SLC flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.
During popular months like July, you'll want to get to the airport earlier than normal. Plan to arrive two hours before domestic departures and four hours ahead for an international flight when you fly during a peak period in general.
Flying into Salt Lake City (and then exploring more of the United States!) is a snap with Delta. This popular airline offers direct flights from Ontario International Airport to Salt Lake City Airport.
Delta is the top choice for travellers on this route.
Delta is a leader in on-time performance for ONT to SLC flights, with 92.29% of services reaching their destination on schedule.
We make it a cinch to book a flight with a stopover. To see your options for tickets from Ontario International Airport to Salt Lake City Airport, uncheck 'Direct flights only.' Then, pick a flight with a stop long enough to explore your chosen city. Popular stopovers between ONT and SLC include:
- Phoenix Sky Harbour Airport
- Harry Reid International Airport
- Sacramento International Airport

How to find the cheapest flights from Ontario International Airport (ONT) to Salt Lake City Airport (SLC)

The cheapest price we've seen for a one-way Ontario International Airport to Salt Lake City Airport flight is R 1,019. A round-trip plane ticket is currently R 2,272. Depending on the availability and when you book, these fares can change.
It's often best to book ahead of time if you want to find cheap tickets from ONT to SLC. That's because airlines adjust prices based on demand, which tends to rise closer to the date of departure.
The cheapest month for flights from Ontario International Airport to Salt Lake City Airport is May. Use the 'Whole month' tool to see the lowest airfares if you have a flexible schedule.
Never miss a deal on cheap flights from ONT to SLC by setting up a Price Alert. We'll send you an email or notification on the app when a new discounted fare appears.
Select your ideal arrival and departure times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from Ontario International Airport to Salt Lake City Airport.

Handy information about Ontario International Airport (ONT)

You'll find ONT at 2900 E. Airport Drive.
83% of flights departing from Ontario International Airport reach their destination on schedule. With its strong on-time stats, disruptions are unlikely when taking off from ONT.
Ontario International Airport is around 10 kilometres from central Ontario. If you're ride-sharing, catching a taxi or driving from the centre, it'll take 15 minutes or so to get there, depending on the traffic.
You can expect a trip time of about 45 minutes on public transport.
Get your holiday off to a hassle-free start by staying near ONT. Whether you're catching an early flight from Ontario International Airport to Salt Lake City Airport or just don't want to be rushed, these stays are perfect:

Arriving at Salt Lake City Airport (SLC)

Consider booking a hotel near SLC if you have a late Ontario International Airport to Salt Lake City Airport flight. Check in to one of these options and make your arrival easier:
Get your adventure underway by picking up a Salt Lake City Airport rental car. Grab your wheels from Easirent, Fox - Rent A Car or Sixt and explore beyond Salt Lake City's usual tourist stops.
Get the best deal by reserving your ride from Salt Lake City Airport about four weeks ahead of your departure.

When to fly to Salt Lake City Airport (SLC)

It's time to choose your dates for your flight from Ontario International Airport to Salt Lake City Airport. July is the busiest month to head to Salt Lake City. If you'd like a more relaxed vibe, go in March.
The warmest month in Salt Lake City is July, with the temperature ranging between 15ºC (59ºF) and 36ºC (97ºF). Lock in your flights from Ontario International Airport to Salt Lake City Airport in this month if you like this kind of weather.
January has average temperatures of between -11ºC (12ºF) and 5ºC (41ºF). Look for cheap tickets from ONT to SLC sometime around then if you'd rather travel in cooler conditions.

Explore more of the United States

You've done Salt Lake City, now it's time to explore other corners of the United States. Journey about 483 kilometres north-west to Boise to tick off its must-visit sights. From Cathedral Of The Rockies to Boise Depot and St. John's Cathedral, there's plenty to keep you on the go.
Around 64 kilometres south of Salt Lake City, Provo is another favourite stop in the United States. Get a taste of what this destination has to offer at Rock Canyon, Rock Canyon Park and Rock Canyon.