ONT - SLC

$71 Find Cheap Flights from Ontario to Salt Lake City

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Salt Lake City departing on 9/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Salt Lake City

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Salt Lake City, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Salt Lake City, as well as popular online travel agencies
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Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Salt Lake City that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Salt Lake City

Sat, Sep 13 - Sun, Sep 14
Frontier Logo
8:59 pm - 7:32 amONT-SLC
9h 33m1 stop
Frontier Logo
9:45 pm - 7:54 pmSLC-ONT
23h 09m1 stop
$142Frontier
Find Deal
Fri, Sep 19 - Sun, Sep 21
Frontier Logo
10:28 pm - 6:43 pmONT-SLC
19h 15m1 stop
Frontier Logo
9:45 pm - 7:53 amSLC-ONT
11h 08m1 stop
$143Frontier
Find Deal
Wed, Sep 17 - Fri, Sep 19
 Logo
8:00 am - 10:26 pmONT-SLC
13h 26m2 stops
 Logo
6:47 pm - 12:43 pmSLC-ONT
18h 56m1 stop
Fri, Sep 26 - Mon, Sep 29
 Logo
10:28 pm - 1:12 pmONT-SLC
13h 44m1 stop
 Logo
9:09 pm - 9:56 pmSLC-ONT
25h 47m2 stops
Fri, Sep 26 - Sat, Oct 4
Delta Logo
1:15 pm - 4:00 pmONT-SLC
1h 45mnonstop
Delta Logo
9:55 pm - 10:41 pmSLC-ONT
1h 46mnonstop
$199Delta
Find Deal
Sat, Nov 15 - Sat, Nov 22
American Airlines Logo
12:55 pm - 7:41 pmONT-SLC
5h 46m1 stop
American Airlines Logo
12:24 pm - 4:01 pmSLC-ONT
4h 37m1 stop
$219American Airlines
Find Deal
Sun, Nov 23 - Thu, Nov 27
Southwest Logo
6:00 am - 11:05 amONT-SLC
4h 05m1 stop
Southwest Logo
11:30 am - 2:25 pmSLC-ONT
3h 55m1 stop
$230Southwest
Find Deal
Tue, Sep 30 - Wed, Oct 1
Southwest Logo
10:20 am - 4:55 pmONT-SLC
5h 35m1 stop
Southwest Logo
7:35 am - 12:00 pmSLC-ONT
5h 25m1 stop
$241Southwest
Find Deal
Mon, Sep 22 - Mon, Sep 29
Delta Logo
6:00 am - 8:46 amONT-SLC
1h 46mnonstop
Delta Logo
11:30 am - 12:17 pmSLC-ONT
1h 47mnonstop
$249Delta
Find Deal
Sat, Nov 15 - Sat, Nov 22
American Airlines Logo
6:11 am - 1:13 pmONT-SLC
6h 02m1 stop
American Airlines Logo
10:59 am - 4:01 pmSLC-ONT
6h 02m1 stop
$268American Airlines
Find Deal
Expert advice

Expert advice for your flight from Ontario to Salt Lake City

 
Snippets provided in this section are AI-generated based on a summarization of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
Delta

Delta offers free Wi-Fi for SkyMiles members on domestic flights, enhancing onboard connectivity.


Delta's Comfort Plus seats offer up to three extra inches of legroom for added comfort.

Read more about Deltaby Stefanie Waldek
Frontier

Frontier's Economy Bundle includes a carry-on and seat choice, ideal for budget travelers.


Consider Premium Bundle for priority boarding and extra legroom, just $20 more than Economy.

Read more about Frontierby Stefanie Waldek
Airports
ONT

ONT offers streamlined security with average wait times of 6-15 minutes, making it ideal for quick departures.

Read more about ONTby Jennifer Simonson
SLC

Take the TRAX Green Line from SLC to downtown Salt Lake City in about 20 minutes for a cost-effective option.

Read more about SLCby Harriet Baskas
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Delta and Frontier

Stefanie Waldek

Stefanie Waldek

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Read more
Jennifer Simonson

Jennifer Simonson

Expert on ONT

Jennifer Simonson

Jennifer Simonson

Jennifer Simonson is driven by her lifelong commitment to exploring the globe. Her insatiable curiosity had led her to immerse herself into diverse locations like Oklahoma City and Pismo. Her hotel recommendations are the result of the myriad hotels she's stayed at across her travels. Along her journey, she cherishes engaging conversations with locals, indulging in the finest ice cream, trying her hand at surfing, and embarking on nature-filled hikes.

Read more
Harriet Baskas

Harriet Baskas

Expert on SLC

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Booking Insights

KAYAK's insights & trends for Ontario to Salt Lake City flights

Get data-powered insights and trends into flights from Ontario to Salt Lake City to help you find the cheapest flights, the best time to fly and much more.

Find cheap flights to Salt Lake City
Find cheap flights to Salt Lake City

Planning a trip from Ontario to Salt Lake City? KAYAK’s data-powered insights will help you find cheap flights. Learn the best time to fly, how early to book your ticket, and other tips to secure great prices.

What’s the cheapest day of the week to fly from Ontario to Salt Lake City?

The average price of all round-trip flights from Ontario to Salt Lake City clicked on KAYAK for each day over the last 12 months.

When flying from Ontario to Salt Lake City, you should consider leaving on a Thursday and avoid Mondays if you are looking for the best rates. For your return to Ontario, you’ll find the best rates on Sundays and the most expensive ones on Mondays.

What is the cheapest month to fly from Ontario to Salt Lake City?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Ontario to Salt Lake City, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Ontario to Salt Lake City is January, where tickets cost $188 (return) on average. On the other hand, the most expensive months are April and March, where the average cost of round-trip tickets is $306 and $300 respectively.

Can I save money by flying with a layover from Ontario to Salt Lake City?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $239 on average.

How far in advance should I book a flight from Ontario to Salt Lake City?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Ontario to Salt Lake City, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Ontario to Salt Lake City, you should book around 2 weeks before departure, which saves you about 26% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 9 weeks before departure.

Good to know

Low seasonFebruary
Cheapest flight$71
Best time to beat the crowds but there is an average 11% increase in price.
Most popular time to fly and prices are also 24% lower on average.
Flight from Ontario to Salt Lake City

When to book flights from Ontario to Salt Lake City

Are your dates flexible? Find out the best times to travel from Ontario to Salt Lake City based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Ontario to Salt Lake City

  • Where are the lounges at ONT Airport located?

    Ontario International Airport has three lounges where travelers can stop by and comfortably have a drink while waiting to board their flight. These lounges include two Aspire Lounges and a USO Lounge. The Aspire Lounges are located in Terminal 2 near Gate 209 and Terminal 4 behind Gate 410. The USO Lounge, on the other hand, is located in the Administration Building (Old Terminal 1) and is only open to military personnel and their families.

  • Is public transport available to ONT from downtown Ontario?

    Yes, you can take the bus from downtown Ontario to the airport. Head to the station at Holt @ Palm Eb and take the 61 bus which goes directly to the airport. Alternatively, you can take a taxi if you need to get to the airport as quickly as possible. They are available everywhere around downtown so finding one shouldn’t be difficult.

  • How do I get from SLC to the city center?

    There are a few transport options available from SLC to the city center. If you’re working with a tight budget, the metro is worth considering. Just head to the airport station and board the Green Line towards West Valley. If you would rather go for convenience, there are plenty of taxis available outside the arrivals terminal and they will drop you at any destination in the city.

  • How can I get cheaper flight tickets?

    If you’re looking to save a few dollars on flight tickets, try booking your flight a few months in advance. This is because ticket prices tend to increase as the demand for tickets increases, and the demand for tickets increases as the travel date approaches. Therefore, by booking in advance, you will be avoiding the price surges that happen over time. You should also try and be more flexible with travel dates. Avoid booking days with high demand such as holidays and weekends.

  • What is the cheapest flight from Ontario to Salt Lake City?

    In the last 3 days, the lowest price for a flight from Ontario to Salt Lake City was $71 for a one-way ticket and $142 for a round-trip.

  • Do I need a passport to fly between Ontario and Salt Lake City?

    No

  • Which airlines offer Wi-Fi service onboard planes from Ontario to Salt Lake City?

    Delta, American Airlines, British Airways, and Iberia offer inflight Wi-Fi service on the Ontario to Salt Lake City flight route.

  • Which aircraft models fly most regularly from Ontario to Salt Lake City?

    The Airbus A321neo is the aircraft model that flies most regularly on the Ontario to Salt Lake City flight route.

  • Which airline alliances offer flights from Ontario to Salt Lake City?

    SkyTeam is the only airline alliance operating flights between Ontario and Salt Lake City.

  • On which days can I fly direct from Ontario to Salt Lake City?

    There are nonstop flights from Ontario to Salt Lake City on a daily basis.

  • Which is the best airline for flights from Ontario to Salt Lake City, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from Ontario to Salt Lake City are Southwest and Delta. With an average price for the route of $309 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $307 and an overall rating of 7.9.

  • How does KAYAK find such low prices on flights from Ontario to Salt Lake City?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Salt Lake City.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Salt Lake City?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Salt Lake City from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Salt Lake City?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Salt Lake City with an airline and back to Ontario with another airline. Booking your flights between Ontario and SLC can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Salt Lake City?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Salt Lake City from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Ontario to Salt Lake City

  • Looking for a cheap flight? 25% of our users found flights on this route for $188 or less one-way and $254 or less round-trip.
  • Ontario International Airport (ONT) has baby care rooms for travelers with infants. These rooms are ideal for pumping and breastfeeding as well as changing diapers. They are located in Terminal 2 across from Gate 207 and Terminal 4 across from Gate 407.
  • If you plan on leaving your car at the ONT airport parking, you should reserve a spot in advance to avoid wasting a lot of time roaming the car park. You can also opt for the offsite parking lots which usually charge lower prices compared to airport parking.
  • ONT Airport has courtesy shuttles that help travelers move from one terminal to another as well as from the parking lots to the terminals and ConRAC facility. These shuttles run every five minutes and a free to use.
  • If you need any assistance while at Salt Lake City International Airport (SLC), just look for an information desk. They are located in both terminals across from baggage claim. These desks are usually staffed with airport officials who are always happy to help.
  • SLC Airport has baggage carts available to all travelers who need help carrying their luggage. to get these carts, you will have to pay a $5 fee for every cart and the amount is partially refundable if you return the cart. The refund ranges between $0.25 and $1.

Prefer to fly direct from Ontario to Salt Lake City?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Ontario to Salt Lake City.
Find which airlines fly direct from Ontario Airport to Salt Lake City Airport, which days they fly and book direct flights.

Direct departures

Ontario to Salt Lake City

Monday

Aeromexico, Air France, Delta, +3 more

Aeromexico, Air France, +4 more

Tuesday

Aeromexico, Air France, Delta, +3 more

Aeromexico, Air France, +4 more

Wednesday

Aeromexico, Air France, Delta, +3 more

Aeromexico, Air France, +4 more

Thursday

Aeromexico, Air France, Delta, +2 more

Aeromexico, Air France, +3 more

Friday

Aeromexico, Air France, Delta, +3 more

Aeromexico, Air France, +4 more

Saturday

Aeromexico, Air France, Delta, +3 more

Aeromexico, Air France, +4 more

Sunday

Aeromexico, Air France, Delta, +2 more

Aeromexico, Air France, +3 more

See more direct flights

Direct returns

Salt Lake City to Ontario

Monday

Aeromexico, Air France, Delta, +2 more

Aeromexico, Air France, +3 more

Tuesday

Aeromexico, Air France, Delta, +3 more

Aeromexico, Air France, +4 more

Wednesday

Aeromexico, Air France, Delta, +3 more

Aeromexico, Air France, +4 more

Thursday

Aeromexico, Air France, Delta, +3 more

Aeromexico, Air France, +4 more

Friday

Aeromexico, Air France, Delta, +2 more

Aeromexico, Air France, +3 more

Saturday

Aeromexico, Air France, Delta, +3 more

Aeromexico, Air France, +4 more

Sunday

Aeromexico, Air France, Delta, +3 more

Aeromexico, Air France, +4 more

See more direct flights

Reviews of the top 4 airlines serving from Ontario to Salt Lake City

 
See real verified KAYAK customer reviews for airlines flying from Ontario to Salt Lake City. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Ontario to Salt Lake City? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4241 reviews
8.0Comfort
8.6Crew
7.0Food
8.1Boarding
7.5Entertainment
Airline reviews

The cabin was quiet for the redeye flight. The area was clean. The staff was great. The 787 Max was in good condition. Drawbacks were that the seat widths were tight for some passengers. The seat padding was at best average and for a long flight uncomfortable.

10.0 ExcellentJoseph, Aug 2025SFO - BWI
Read more Southwest reviews

The cabin was quiet for the redeye flight. The area was clean. The staff was great. The 787 Max was in good condition. Drawbacks were that the seat widths were tight for some passengers. The seat padding was at best average and for a long flight uncomfortable.

Delayed flight. Nicest crew member was a SW pilot flying seated next to me who kindly move to seat the final passenger. Flight extra delayed. My cup of refreshment of ginger ale was so packed with ice it was literally 2 sips.

No trays in our seats, we sat in first row, purchased a business class fare. Had to hold our drinks and snack in our hands. No plugs for our cell phones. Had to pay for it a drink cocktail each. Seats so uncomfortable.

Flight wasn’t even full, but too many carry-ons caused us to run out of bin space. New bag fee has folks who would usually check their bags carrying on. Watching Southwest morph into Spirit/Frontier is so sad to watch

Southwest is Southwest. No frills. If you're luck enough to get a happy crew (we did), then it makes for a nicer flight.

It was a perfect flight in all aspects! Both legs!

Great flight, 47 passengers on a 180 seat plane. Stewardess was pleasant and cheerful.

I liked the crew member who gave flight instructions on "in case of a problem:. The seats are so small that only a young teenager could sit in middle seat.

Great flight staff. Ease of boarding. Overall, very uneventful and easy trip.

Employees were kind and funny, as always! Flight was late but no announcements were made for people with tight connections to help them transition quickly. No service due to turbulence.

The flight attendants in SLC were rude. I arrived 40 minutes early to gate. Ticket said I needed check in for seat assignments and tried check in and attendants said they weren’t doing it. And proceeded to never call me to give me a ticket so when time to board I received the very last seat. Please relay to employees to do their job better..,

The seats got pretty uncomfortable pretty fast. The armrests are bigger than on other planes, so I had less room in the actual seat. My butt hurt by the end of the flight. :/ comfort was the primary issue. The crew were fantastic!

I believe that a four-hour trip should have a meal. Delta had none.

My husband upgraded our seats and I don't know if it was due to the type of planet was or if they didn't upgrade our seats. We were supposed to be in I believe comfort seats and they were just as tight as any other seat- no leg room and we are very tall people but at least it wasn't extremely cold. My husband did put in a complaint about our seating because he paid extra and if we would have known that the space and the tightness would have been the same, we just would have gotten the emergency row emergency row seats that we normally get. We love Delta but both our flights coming home we're not good. Oh I forgot to mention that on our flight to Hawaii our luggage wheels got broke and we had to purse new luggage on vacation then we never had this problem so we didn't know protocol and reported it after we got home only for them to tell is we only had 24hrs to report the damage. Not sure what was going on with Delta this vacation trip.

Crew was excellent. Comfort seats not as nice as other kinds of planes.

It was a great flight and the stewards and stewardess were all kind and accommodating!! The seats were comfortable and entertainment screen excellent!

There are 4 flights in consecutive gates with about the same departure time. Two flights were boarding at the same time. One was delayed or boarding would be happening at the same time. I am not sure what Delta and LAX need to do to have a better layout at the end of Terminal 2

There was a security issue at the airport and we were unable to land. We circled endlessly and then landed at another airfield for fuel. We then circled the airport again, almost landed but didn’t fully touch down before circling again. I am thankful to the crew for keeping us safe- the issue was the airline and staff at the airport getting us seats on our connecting flights. That part was hours of searching for someone and getting in double my steps.

Most aspects were good however if they assign boarding zones they ought to enforce them or why bother? My luggage from SAN-JFK-MAD was lost in NY so I without my main bag for two days upon arrival in Spain. They were helpful in tracking it and eventually delivered it to my hotel. The flub was because of a delay upon arrival in NYC. I had booked 2 1/2 hours between flights but we had to hold on the taxiway for an hour after landing while waiting for a clear gate which likely caused the baggage error.

Excellent flight, the planes were newer, they did a nice job with boarding, great service overall.

4 hours late, including over +1 hour waiting in plane to take off. Baggage left behind too.

While waiting to claim my checked luggage, I discovered the airline had lost it. After a long wait and inquiries, I discovered it was on another flight. Fortunately, the airline finally sent my luggage home.

Was not able to watch most shows on the entertainment site. They would not load

Our flight was 1.5 hours delayed. There was no weather for the inbound flight, so I don't understand why. This meant a VERY late arrival and only a quick nap before my morning flight.

Delayed flight, so I switched fights to SFO to Phoenix , Phoenix to DSM. Excellent service through American Airlines

AA re-routed flight from HNL to LAX due to delay. My group of 3 with reserved seats in row 9 was broken up, with one assigned to a middle seat, another in the last row of the plane. Not happy. No explanation to the delay. No apologies. No compensation. Would have been nice to be offered an Admiral Club admission or a voucher for the extra 3 hours of layover in LAX. Could not hear the boarding gate announcements in LAX. Adjacent gate was boarding at the same time. Loud speakers were competing against each other. Barely made my boarding group.

Almost a 6 hour flight and the only food option is a cheese plate… and chips. Also how is it there are no options for texting on American. I’ll be going back to delta and united.

The chair cushions may need an upgrade. I have been noticing they are so worn out, thin so you’d sit in a dip 😄. Other than that, all was an enjoyable trip. Thanks AA!

Cramped seats. FAA should make airlines have more legroom, for even short people complain

Eventless. It was a good flight and good crew. Can’t complaint.

No way to get boarding pass on my phone. In order to print the bag ticket a boarding pass is needed. Asked the agent to print me one, they said they typically do not due this as its so much work. I showed the email confirmation and I asked how i could do it my self the agent replied he did not know as there was no link. The flight was delayed due to an attendant forgetting to come to work. On the flight no drinks were offered only for purchase meals.

Cancelled flight after I arrived at airport after 75 min drive and parking. Next flight was 4 days in the future. Had to scramble and buy a much more expensive flight on another carrier.

I liked the turn-style feature at gate 209B at LAX. Very efficient process. The gate staff also made several, clearly directed announcements so I felt very informed.

The seats were awful, hard plastic covered in sheet vinyl. The airline tries to scam you into paying extra to get seat together when the flight wasn’t full. They were going to separate a family with young children but my wife who had a row to herself gave up her seat so the young mom could be with her young boys. I’m never giving this airline my money again.

It was a short flight so no food or entertainment….

Frontier had yet another flight cancellation. Have never made a complete round trip with this airline without at least one leg getting cancelled. Miserable flights - dirty, uncomfortable planes that apparently always have issues since I've had multiple delays and cancellations with them.

Flight was delayed 3 times, would have been nice to have received text message instead of email notifications. Frontier app wasn’t even updated accordingly, no gate number disclosed. No agent at front desk of gate to inform of delay. Very confused and left if the dark

They changed the timing , first delayed by 4 hours then went back to 40 mins late, we had to run back to airport to not miss our flight. This is ridiculous

No frills for sure. No gate announcements about flight delay, not even water to drink on the flight.

I loked walking out on the tarmac to board and no first class. I didn't like that they have no snacks or onboard wifi to bide your time.

Everything you need to know for your flight from Ontario to Salt Lake City

Information on your arrival and departure airports

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