$151 Cheap Delta flights from Ontario to Salt Lake City (ONT to SLC)

Find The Best Day To Fly from Ontario to Salt Lake City

Amazing Delta ONT to SLC Flight Deals

The cheapest flights to Salt Lake City Intl. found within the past 7 days were $239 round trip and $151 one way. Prices and availability subject to change. Additional terms may apply.

Thu, Oct 30 - Sun, Nov 2
ONT
Ontario
SLC
Salt Lake City
$239 Roundtrip, found 19 hours ago
$239
Roundtrip
found 19 hours ago
Select Delta flight, departing Thu, Oct 30 from Ontario to Salt Lake City, returning Sun, Nov 2, priced at $239 found 19 hours ago
Fri, Aug 22 - Sun, Sep 14
ONT
Ontario
SLC
Salt Lake City
$241 Roundtrip, found 8 hours ago
$241
Roundtrip
found 8 hours ago
Select Delta flight, departing Fri, Aug 22 from Ontario to Salt Lake City, returning Sun, Sep 14, priced at $241 found 8 hours ago

SLC From ONT Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
Maven Stay

Maven Stay

4 out of 5
Save 100% on your flight
per person
Sep 10 - Sep 15
found 23 hours ago
Roundtrip non-stop flight included
Ontario (ONT) to Salt Lake City (SLC)
Asher Adams, Autograph Collection

Asher Adams, Autograph Collection

4 out of 5
Save 100% on your flight
per person
Sep 10 - Sep 15
found 23 hours ago
Roundtrip non-stop flight included
Ontario (ONT) to Salt Lake City (SLC)
Radisson Hotel Salt Lake City Downtown

Radisson Hotel Salt Lake City Downtown

4 out of 5
Save 100% on your flight
per person
Sep 10 - Sep 15
found 23 hours ago
Roundtrip non-stop flight included
Ontario (ONT) to Salt Lake City (SLC)
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Frequently asked questions

Can I catch a flight from ONT to SLC right now?
Make sure you check out the Covid-19 Travel Advisor to find out if there are any present quarantine requirements or travel advice reports in effect in Salt Lake City Intl. Airport when flying from Los Angeles - Ontario Intl. Airport (ONT).
What terminal is Delta Air Lines at ONT?
Flights mostly take off from terminal 2 at Los Angeles - Ontario Intl. Airport (ONT) if you've booked a ticket with Delta Air Lines. Traveling to Salt Lake City Intl. Airport (SLC)? Contact your airline (or do some online research) to see which terminal you'll be disembarking at.
Are there Delta Air Lines non-stop flights from ONT to SLC?
With Delta Air Lines offering nonstop services from Los Angeles - Ontario Intl. Airport (ONT) to Salt Lake City Intl. Airport, your next inspiring adventure is a plane ride away. Say goodbye to the inconvenience and baggage diversions often associated with stopovers, and lock in your trip today.
How long is a Delta Air Lines flight from ONT to SLC?
Your Delta Air Lines flight will get you from ONT to SLC in about 3 hours and 25 minutes. If you're not a huge fan of speaking to other passengers while you're on the plane, don't fret --- you won't have to shoot the breeze for too long.
What type of aircraft does Delta Air Lines fly from ONT to SLC?
If you're venturing from ONT to SLC with Delta Air Lines, you're likely to be cruising the skies aboard the Embraer 175 or the Boeing 737-900.
How many direct and indirect flights does Delta Air Lines fly from ONT to SLC?
Delta Air Lines operates no fewer than 3 flights every day from Los Angeles - Ontario Intl. Airport (ONT) to Salt Lake City Intl. Airport (SLC).
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to SLC, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.
Delta Airports
Hop on a(n) Delta flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ATLUSAHartsfield-Jackson Atlanta Intl.252
DTWUSADetroit Metropolitan Wayne County156
MSPUSAMinneapolis - St. Paul Intl.131
SLCUSASalt Lake City Intl.116
SEAUSASeattle - Tacoma Intl.57
LAXUSALos Angeles Intl.41
AMSNLDSchiphol31
YYCCANCalgary Intl.26
YYZCANPearson Intl.24
JFKUSAJohn F. Kennedy Intl.23

Travelers ❤️ these 🏨 after their flight to Salt Lake City

Microtel Inn & Suites by Wyndham Salt Lake City Airport

Microtel Inn & Suites by Wyndham Salt Lake City Airport

2 out of 5
61 Tommy Thompson Rd, Salt Lake City, UT
This hotel doesn't skimp on freebies - guests receive free on-the-go breakfast, free self parking, and a free airport shuttle. Traveling on business? Take advantage ...
7.6/10 Good! (2,093 reviews)
"Nice place"

Reviewed on Jul 16, 2025

Microtel Inn & Suites by Wyndham Salt Lake City Airport
Hyatt Place Salt Lake City Airport

Hyatt Place Salt Lake City Airport

3 out of 5
52 Tommy Thompson Road, Salt Lake City, UT
This hotel features an indoor pool and a 24-hour gym. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public areas, and free ...
8.6/10 Excellent! (1,154 reviews)
"very close to the airport which was important(although you expect to hear planes landing and taking off at night)"

Reviewed on Jul 13, 2025

Hyatt Place Salt Lake City Airport
Comfort Inn & Suites Salt Lake City Airport

Comfort Inn & Suites Salt Lake City Airport

2.5 out of 5
202 N Jimmy Doolittle Rd, Salt Lake City, UT
This hotel doesn't skimp on freebies - guests receive free buffet breakfast and free WiFi. Traveling on business? Take advantage of the business center and free ...
9/10 Wonderful! (1,584 reviews)
Good Bufget Friendly Option
"Decent hotel for the price. Convemiently located near other hotels with restaurants."

Reviewed on Jul 15, 2025

Comfort Inn & Suites Salt Lake City Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.