$149 Cheap Delta flights Salt Lake City (SLC) to Ontario (ONT)

Use the “Price (lowest to highest)” filter on Expedia to look for cheap Delta Air Lines return flights from $239 from SLC to ONT. Affordable one-way options from $149 are also on offer.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

January is one of the cheapest months to travel to Ontario with Delta Air Lines. You could also find fantastic deals on return and one-way fares in April.

Look for cheap Delta Air Lines flights from Salt Lake City Intl. Airport (SLC) to Los Angeles - Ontario Intl. Airport (ONT) one to three months prior to your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and journey, the best day to book a domestic flight is generally Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Delta Air Lines offers direct flights from Salt Lake City Intl. Airport (SLC) to Los Angeles - Ontario Intl. Airport (ONT), with 20 weekly departures. Just apply the “Nonstop” and “Airline” filters while searching on Expedia to show all direct Delta Air Lines flights to ONT.

It takes around 1h 55m to fly nonstop from Salt Lake City Intl. Airport (SLC) to Los Angeles - Ontario Intl. Airport (ONT) with Delta Air Lines.

Delta Air Lines operates the most flights from Salt Lake City Intl. Airport (SLC) to Los Angeles - Ontario Intl. Airport (ONT) on Saturday. With up to 3 daily departures, you’ll get the most flexibility and choice on this day.

Departing SLC at 11:30AM UTC-7, the earliest Delta Air Lines flight to ONT lands at 12:24PM UTC-8. Flying earlier in the day means you’re less likely to encounter delays.* Prefer to travel later? The last Delta Air Lines flight from SLC to ONT departs at 10:55PM UTC-7 and touches down at 11:51PM UTC-8.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Los Angeles - Ontario Intl. Airport (ONT) is the main Ontario hub for Delta Air Lines flights from Salt Lake City Intl. Airport (SLC). Los Angeles Intl. Airport (LAX) and John Wayne Airport (SNA) are other possibilities. When organizing your break through Expedia, check the “All Airports” option for your destination to see exactly what’s available.

Delta Air Lines makes traveling from SLC to ONT more comfortable with a rewarding loyalty program and an excellent in-flight experience. You could even start earning points with Delta SkyMiles. Make sure you sign up to our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

For the Salt Lake City Intl. Airport (SLC) to Los Angeles - Ontario Intl. Airport (ONT) route, Delta Air Lines typically uses Boeing 737-800 and Boeing 737-900 planes. Don’t forget that last-minute changes can occur for operational reasons, meaning your flight may be on another aircraft.

Changes are usually free within 24 hours of booking, but your airline may add a charge after that. For more information about altering your flights, go to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to adjust your plans without extra charges, check the “Changes included” or “No cancel fee” filter when organizing your next getaway.