Cheap flight tickets 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 to Salt Lake City? Find the lowest prices on one-way and return tickets right here.

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 September.

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 foundRM595
Cheapest month to flySeptember
Average flight time1 hr, 49 mins
Most popular airlineDelta
Average flights per week74

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

The best price we found for a return flight from Ontario International to Salt Lake City is RM595. 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.
1 hour and 49 minutes is the average flight time from Ontario International to Salt Lake City.
Delta, KLM and Air France fly direct from Ontario International to Salt Lake City.
As of August 2025, there are 74 flights per week flying from Ontario International to Salt Lake City.
The cheapest month to fly from Ontario International to Salt Lake City is usually September.
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 Friday, 26 September 2025.
Yes – the average flight time is 1 hour and 49 minutes.
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.
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.
Currently, Frontier Airlines and Delta offer the cheapest flight tickets to Salt Lake City.

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

  • The average length of a direct flight from Ontario International Airport to Salt Lake City International Airport is 1 hour 45 minutes.

  • The timezone in Salt Lake City is UTC-6, which is one hour ahead of Ontario.

  • Take your pick of 36 weekly Ontario International Airport to Salt Lake City International Airport flights. The 05:35 departure with Delta Air Lines is the earliest you can take. Frontier Airlines operates the last service of the day at 17:56.

  • Leave enough time to make your ONT to SLC flight. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.

  • During popular months like August, you'll want to get to the airport even earlier. Arrive two hours before a domestic departure and four hours ahead of an international flight when you fly during a peak period in general.

  • Delta Air Lines has direct flights from Ontario International Airport to Salt Lake City International Airport. Book with this popular airline, then get ready to tick off the sights in Salt Lake City — and maybe even more of United States if time allows.

  • The airline that passengers book most often on this route is Delta Air Lines.

  • Delta Air Lines leads the way as the most punctual carrier for ONT to SLC flights, with 94.86% of services landing as scheduled.

  • Consider adding a stopover when booking your ticket from Ontario International Airport to Salt Lake City International Airport. Just uncheck 'Direct flights only' to break up your trip, or even explore someplace new along the way. Check out these options between ONT and SLC:

    • Harry Reid Airport (formerly McCarran Airport)

    • Phoenix Sky Harbour International Airport

    • Sacramento International Airport

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

  • At the moment, RM298 is the cheapest price we've found for a one-way Ontario International Airport to Salt Lake City International Airport flight. The best price for a return plane ticket is RM595. Remember that fares could change due to demand at the time of booking.

  • Book six months before you travel. After looking at the numbers on our calendar, this is how far you'll want to book ahead to secure cheap tickets from ONT to SLC.

  • May is the cheapest month for flights from Ontario International Airport to Salt Lake City International Airport. If you prefer to travel during a different time of year, the 'Whole month' tool will give you the lowest airfares across every month.

  • Cut down on the time spent looking for cheap flights from ONT to SLC by setting up a Price Alert. You'll get an email or notification on the app when fares go down.

  • Find the right flight for you with the help of the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Ontario International Airport to Salt Lake City International Airport, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and number of stops.

Handy information about Ontario International Airport (ONT)

  • You'll find ONT at 2900 E. Airport Drive.

  • 83.6% of flights departing from Ontario International Airport reach their destination on schedule. With its strong on-time performance, you're unlikely to experience delays when flying out of ONT.

  • To get to Ontario International Airport from central Ontario, it takes around 10 minutes by car. Of course, this depends on traffic. It's approximately 6 kilometres from the airport to the city centre.

  • You can expect a journey time of about 1 hour 30 minutes when using public transport.

  • Searching for a handy hotel close to ONT? If you've booked an early flight from Ontario International Airport to Salt Lake City International Airport, these accommodation options will have you sleeping moments from your departure gate:

Arriving at Salt Lake City International Airport (SLC)

Getting from Salt Lake City International Airport (SLC) to central Salt Lake City

  • The street address for SLC is 776 North Terminal Drive.

  • Salt Lake City International Airport to the centre of Salt Lake City has a drive time of around 15 minutes. It's approximately 13 kilometres away.

  • Getting to the centre on public transport takes around 2 hours 55 minutes.

When to fly to Salt Lake City International Airport (SLC)

  • It's time to work out your trip dates for your flight from Ontario International Airport to Salt Lake City International Airport. July is the busiest month to head to Salt Lake City. If you like a more relaxed vibe, go in April.

  • Book your flight from Ontario International Airport to Salt Lake City International Airport for July if you want to explore Salt Lake City during its warmest month. You can expect temperatures of between 15ºC (59ºF) and 36ºC (97ºF).

  • Search for cheap tickets from ONT to SLC in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between -11ºC (12ºF) and 5ºC (41ºF) on average.

Explore more of United States

  • Salt Lake City has plenty to offer, but there are so many other parts of United States just waiting to be explored. Around 483 kilometres north-west of Salt Lake City, a visit to Boise will keep your itinerary busy. Start with attractions like Idaho State Capitol Building, Old Idaho Penitentiary and Zoo Boise.

  • Provo is another favourite destination in United States and is around 64 kilometres south of Salt Lake City. No trip is complete without seeing Museum of Art at Brigham Young University, BYU Museum of Palaeontology and Utah Lake State Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.