ONT - SLC

$71 Find Cheap Flights from Ontario to Salt Lake City - Compare and Save

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Everything you should know

Cheapest round-trip
$127
Typical prices: $297-$456
Frontier
Sun 11/18Sun 12/2
ONT - SLC • 1 stop
Cheapest non-stop
$359
Typical prices: $306-$503
Delta
Thu 11/22Wed 11/28
ONT - SLC • Non-stop
Nonstop flights
You can fly direct with Delta. Average duration is 1h 53m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 22 weeks in advance save around 41% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 25% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $271 (round-trip)
Shortest trip • 3h 52m (one-way)
Insights
Insights
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We hope you love your trip to Salt Lake City!
Flight Deals
Booking Insights
Expert advice
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

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

Wed, Nov 18 - Wed, Dec 2
Frontier Logo
6:30 am - 3:21 pmONT  Ontario-SLC Salt Lake City
7h 51m1 stop Denver Intl
Frontier Logo
11:11 am - 10:20 pmSLC  Salt Lake City-ONT Ontario
12h 09m1 stop Denver Intl
$127Frontier
Sat, Nov 14 - Wed, Nov 18
Frontier Logo
6:30 am - 3:21 pmONT  Ontario-SLC Salt Lake City
7h 51m1 stop Denver Intl
Frontier Logo
4:16 pm - 11:51 pmSLC  Salt Lake City-ONT Ontario
8h 35m1 stop Denver Intl
$127Frontier
Sat, Nov 14 - Tue, Nov 17
Frontier Logo
6:30 am - 3:21 pmONT  Ontario-SLC Salt Lake City
7h 51m1 stop Denver Intl
Frontier Logo
4:16 pm - 11:51 pmSLC  Salt Lake City-ONT Ontario
8h 35m1 stop Denver Intl
$136Frontier
Tue, Nov 17 - Tue, Nov 24
Southwest Logo
1:30 pm - 9:15 pmONT  Ontario-SLC Salt Lake City
6h 45m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl
Southwest Logo
5:20 am - 8:05 amSLC  Salt Lake City-ONT Ontario
3h 45m1 stop Phoenix Sky Harbor Intl
$253Southwest
Sat, Jan 30 - Mon, Feb 1
Southwest Logo
11:10 am - 6:55 pmONT  Ontario-SLC Salt Lake City
6h 45m2 stops Sacramento Intl Las Vegas Harry Reid Intl
Southwest Logo
3:10 pm - 7:45 pmSLC  Salt Lake City-ONT Ontario
5h 35m1 stop Phoenix Sky Harbor Intl
$253Southwest
Sat, Jan 30 - Mon, Feb 1
Southwest Logo
7:35 am - 2:50 pmONT  Ontario-SLC Salt Lake City
6h 15m2 stops Sacramento Intl Las Vegas Harry Reid Intl
Southwest Logo
11:15 am - 5:00 pmSLC  Salt Lake City-ONT Ontario
6h 45m2 stops Denver Intl Phoenix Sky Harbor Intl
$258Southwest
Sun, Nov 22 - Sat, Nov 28
Delta Logo
6:00 am - 8:49 amONT  Ontario-SLC Salt Lake City
1h 49mnonstop
Delta Logo
11:30 am - 12:20 pmSLC  Salt Lake City-ONT Ontario
1h 50mnonstop
$359Delta
Thu, Dec 31 - Mon, Jan 4
Delta Logo
1:15 pm - 4:13 pmONT  Ontario-SLC Salt Lake City
1h 58mnonstop
Delta Logo
9:55 pm - 10:48 pmSLC  Salt Lake City-ONT Ontario
1h 53mnonstop
$359Delta
Mon, Nov 2 - Wed, Nov 4
Multiple Airlines Logo
2:23 pm - 10:51 amONT  Ontario-SLC Salt Lake City
19h 28m3 stops Las Vegas Harry Reid Intl Minneapolis St Paul Denver Intl
Multiple Airlines Logo
1:01 pm - 11:51 pmSLC  Salt Lake City-ONT Ontario
11h 50m2 stops Phoenix Sky Harbor Intl Denver Intl
$375Multiple Airlines
Thu, Nov 19 - Sun, Nov 22
American Airlines Logo
7:45 pm - 12:33 amONT  Ontario-SLC Salt Lake City
3h 48m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
6:00 am - 8:35 amSLC  Salt Lake City-ONT Ontario
3h 35m1 stop Phoenix Sky Harbor Intl
$381American Airlines
Booking Insights

Price, demand and travel trends for Ontario to Salt Lake City flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Ontario to Salt Lake City?

Round-trip flights from Ontario to Salt Lake City typically range from $297 to $456. The lowest price found in the past 5 days was $127, on Frontier.

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

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Ontario to Salt Lake City. It’s 14% cheaper than the average day, while Sunday is the most expensive, with prices 13% higher.

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

•January is the cheapest month to fly from Ontario to Salt Lake City at $262 round-trip.
•July ($437) and October ($409) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 66% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Ontario to Salt Lake City the cheapest?

Flights from Ontario to Salt Lake City are cheapest 22 weeks before departure. Booking in this window typically costs about 41% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Ontario to Salt Lake City

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Delta and Frontier

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.

Jennifer Simonson

Jennifer Simonson

Expert on ONT

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.

Harriet Baskas

Harriet Baskas

Expert on SLC

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.

Key details for Ontario to Salt Lake City flights

Low season

July

Cheapest flight

$71
Beat the crowds with an average 9% drop in travelers.
The most popular month to fly with an average 14% increase in travelers.
One-way 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

Your Ontario to Salt Lake City flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Ontario to Salt Lake City?

    These are the earliest and latest flight times available from Ontario to Salt Lake City:

    • Earliest: departs at 6:00 am and lands at 7:53 am
    • Latest: departs at 5:12 pm and lands at 7:05 pm.

    The flight takes about 1h 53m.

  • What cabin classes can I book on flights from Ontario to Salt Lake City?

    Two cabin classes are available on flights from Ontario to Salt Lake City:

    • Economy Class
    • First Class

  • How long is a flight from Ontario to Salt Lake City?

    A nonstop flight from Ontario to Salt Lake City takes 1h 53m, covering 557 miles.

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

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Ontario to Salt Lake City flight?

    Round-trip flights from Ontario to Salt Lake City range from $297 to $456, with an average of $350 over the past 12 months. Anything below $297 counts as a good deal.

  • How expensive are last-minute Ontario to Salt Lake City flights?

    Last-minute fares on this route (booked within two weeks of departure) run 49% above the $350 route average. Book 22 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Ontario to Salt Lake City?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $271 round-trip via Las Vegas Harry Reid Intl (LAS), compared to $380 for nonstop.

  • What is the standard checked-bag allowance on flights from Ontario to Salt Lake City?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Ontario to Salt Lake City?

    The Airbus A321neo family is used most often on this route, operated mainly by Delta and Frontier. Other aircraft seen on the route include Airbus A320neo variants.

  • How are flight departures from Ontario to Salt Lake City spread across the day?

    Morning is the busiest departure period on Ontario to Salt Lake City flights, with 34% of flights leaving in that window. Afternoon departures account for 33%, evening flights for 33%, and night flights for 0%.

  • Have flight prices from Ontario to Salt Lake City changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $127 to $1,107. That means the highest observed fare was about 9x higher than the lowest one.

  • Which airlines offer Wi-Fi on Ontario to Salt Lake City flights?

    Delta is the only airline on the Ontario to Salt Lake City route offering in-flight Wi-Fi. Pricing depends on fare class.

  • How are flight prices from Ontario to Salt Lake City looking right now?

    One-way fares from Ontario to Salt Lake City are currently lower than usual. Average one-way flight prices are about $165, which is 18% below the typical average for this route.

  • What car rental options are available at Salt Lake City Airport (SLC)?

    Salt Lake City Airport (SLC) hosts 5 major car rental companies, with daily rates starting from around $16 for economy cars. Top options include:

    • Fox
    • NU Car
    • Hertz
    • Dollar
    • Thrifty

  • Which airports can I use when flying from Ontario to Salt Lake City?

    Flights from Ontario to Salt Lake City usually depart from Ontario (ONT) and arrive at Salt Lake City (SLC).

  • Which airports do connecting flights from Ontario to Salt Lake City pass through?

    One-stop flights from Ontario to Salt Lake City most commonly connect through:

    • Las Vegas Harry Reid Intl (LAS) - 64% of one-stop connections
    • Denver Intl (DEN) - 22% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 11% of one-stop connections
    • Sacramento Intl (SMF) - 3% of one-stop connections

  • Can I save money by using flexible dates for flights from Ontario to Salt Lake City?

    Yes. Flexible dates can save you up to 24% on flights from Ontario to Salt Lake City. Thursday is the cheapest departure day at $302 round-trip on average, while Sunday is the most expensive at $397, a difference of $95.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Ontario to Salt Lake City?

    Only Delta operates flights between Ontario and Salt Lake City.

  • How much time can I save by choosing a different layover airport from Ontario to Salt Lake City?

    Flying via Phoenix Sky Harbor Intl (PHX) gives the shortest average 1-stop total travel time at 3h 52m, compared with 4h 04m via Sacramento Intl (SMF) and 7h 04m via Las Vegas Harry Reid Intl (LAS).

  • What is the time difference between Ontario and Salt Lake City?

    Salt Lake City is 1 hour ahead of Ontario (Mountain Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Salt Lake City?

    Some of the most popular sights in Salt Lake City are Salt Palace Convention Center, Vivint Smart Home Arena and Temple Square. These are among the most viewed places in Salt Lake City on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Ontario to Salt Lake City flights?

    Among airlines operating Ontario to Salt Lake City flights:

    • Delta: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Ontario to Salt Lake City flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Delta: a cabin bag and a checked bag in Economy Class
    • JetBlue: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

  • 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.

Your guide to booking Ontario to Salt Lake City flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Sunday. On this route, Thursday flights average $302, about $95 less than Sunday fares (24% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 22 weeks before you fly. On this route, that window historically saves about 41% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Ontario to Salt Lake City trip for January. Fares historically average $262 round-trip in that month - typically $175 less than the most expensive month, which is July (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Las Vegas Harry Reid Intl Airport (LAS) can be cheaper than flying direct. The cheapest layover option averages $271 round-trip on this route - about $109 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Salt Lake City Airport.

    • DoubleTree by Hilton Hotel Salt Lake City Airport
    • Microtel Inn & Suites by Wyndham Salt Lake City Airport
    • La Quinta Inn & Suites by Wyndham Salt Lake City Airport
  • 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?

 
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

Delta

Delta

Tuesday

Delta

Delta

Wednesday

Delta

Delta

Thursday

Delta

Delta

Friday

Delta

Delta

Saturday

Delta

Delta

Sunday

Delta

Delta

See more direct flights

Direct returns

Salt Lake City to Ontario

Monday

Delta

Delta

Tuesday

Delta

Delta

Wednesday

Delta

Delta

Thursday

Delta

Delta

Friday

Delta

Delta

Saturday

Delta

Delta

Sunday

Delta

Delta

See more direct flights

More options for your flight from Ontario to Salt Lake City

Complete your trip to Salt Lake City with a hotel stay or car rental