Ontario (ONT) to Salt Lake City (SLC) flights
One airline flies nonstop from Ontario (ONT) to Salt Lake City (SLC): 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 ONT to SLC
- Delta Air LinesSkyTeam · bookable with 8 programsWho books it
Book ONT to SLC 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
ONT to SLC with one stop
10 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Las Vegas (LAS)Southwest Airlines and Frontier 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)Alaska Airlines, then Delta Air Lines
- Via San Francisco (SFO)United Airlines and Frontier Airlines the whole way
- Via Santa Rosa (STS)Alaska Airlines, then Delta Air Lines
- Via Denver (DEN)Frontier Airlines, United Airlines and 1 more the whole way+1
- Via Portland (PDX)Alaska Airlines the whole way
ONT to SLC: common questions
Which airlines fly nonstop from ONT to SLC?
Delta Air Lines (SkyTeam) flies nonstop from Ontario (ONT) to Salt Lake City (SLC).
How far is Ontario from Salt Lake City by plane?
Ontario (ONT) and Salt Lake City (SLC) 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 ONT to SLC 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 ONT to SLC cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for ONT to SLC with taxes and fees.
Where can I connect between Ontario and Salt Lake City?
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 Southwest 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.