Salt Lake City (SLC) to Ontario (ONT) flights
One airline flies nonstop from Salt Lake City (SLC) to Ontario (ONT): Delta Air Lines. The two airports are 557 miles (897 km) apart. Delta Air Lines is in SkyTeam. There are also 10 ways to fly it with one stop, through Las Vegas, Phoenix and San Jose and more.
Airlines flying nonstop from SLC to ONT
- Delta Air LinesSkyTeam · bookable with 8 programsWho books it
Book SLC to ONT with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Aeromexico RewardsBooks Delta Air Lines
- Air France-KLM Flying BlueBooks Delta Air Lines
- China Eastern Eastern MilesBooks Delta Air Lines
- Delta SkyMilesBooks Delta Air Lines
- Garuda Indonesia GarudaMilesBooks Delta Air Lines
- Korean Air SKYPASSBooks Delta Air Lines
- SAS EuroBonusBooks Delta Air Lines
- Virgin Atlantic Flying ClubBooks Delta Air Lines
SLC to ONT with one stop
10 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Las Vegas (LAS)Frontier Airlines and Southwest Airlines the whole way
- Via Phoenix (PHX)American Airlines and Southwest Airlines the whole way
+1 - Via San Jose (SJC)Southwest Airlines the whole way
- Via Sacramento (SMF)Southwest Airlines the whole way
- Via Oakland (OAK)Southwest Airlines the whole way
- Via Boise (BOI)Delta Air Lines, then Alaska Airlines
- Via San Francisco (SFO)United Airlines and Frontier Airlines the whole way
- Via Santa Rosa (STS)Delta Air Lines, then Alaska Airlines
- Via Denver (DEN)Frontier Airlines, United Airlines and 1 more the whole way+1
- Via Portland (PDX)Alaska Airlines the whole way
SLC to ONT: common questions
Which airlines fly nonstop from SLC to ONT?
Delta Air Lines (SkyTeam) flies nonstop from Salt Lake City (SLC) to Ontario (ONT).
How far is Salt Lake City from Ontario by plane?
Salt Lake City (SLC) and Ontario (ONT) are 557 miles (897 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book SLC to ONT award flights?
8 programs can book at least one of the nonstop airlines: Aeromexico Rewards, Air France-KLM Flying Blue, China Eastern Eastern Miles, Delta SkyMiles, Garuda Indonesia GarudaMiles, Korean Air SKYPASS, SAS EuroBonus and Virgin Atlantic Flying Club. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does SLC to ONT cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SLC to ONT with taxes and fees.
Where can I connect between Salt Lake City and Ontario?
The most direct connections are through Las Vegas (LAS), Phoenix (PHX), San Jose (SJC), Sacramento (SMF) and Oakland (OAK). On 8 of them the same airline flies both flights, for example Frontier Airlines through Las Vegas.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.