Direct (nonstop) flights from Salt Lake City to Ontario

2 airlines fly nonstop from Salt Lake City International (SLC) to Ontario International Airport (ONT). It's 557 miles (896 km), about 1h 51m in the air. Operated by Delta Air Lines, Frontier Airlines.

SLC
Salt Lake City International
🇺🇸 Salt Lake City, USA
ONT
Ontario International Airport
🇺🇸 Ontario, USA
Flight Time
1h 51m
Distance
557 mi
896 km
CO₂/pax
103 kg
−26 kg vs. layover
Airlines
2
Delta Air Lines +1
Time Diff
-1h
Operated by Delta Air Lines Delta Air Lines Frontier Airlines Frontier Airlines

Route data last updated: May 30, 2026

Airlines with non-stop flights

Delta Air Lines DL Delta Air Lines
Route
SLC → ONT
Flight Time
1h 51m
Distance
557 mi
Frontier Airlines F9 Frontier Airlines
Route
SLC → ONT
Flight Time
1h 51m
Distance
557 mi

Alternative Routes

Other ways to fly from Salt Lake City to Ontario with one stop · direct emits 103 kg CO₂ per passenger

SLC LAS (Las Vegas) ONT
Leg 1: 1h 29m (367 mi) Leg 2: 1h 5m (197 mi) Total: ~2h 34m 🍃 129 kg CO₂ (+25% vs. direct)
Leg 1
SLC → LAS
1h 29m · 367 mi
View SLC to LAS flights →
Leg 2
LAS → ONT
1h 5m · 197 mi
View LAS to ONT flights →
SLC PHX (Phoenix) ONT
Leg 1: 1h 43m (506 mi) Leg 2: 1h 15m (325 mi) Total: ~2h 58m 🍃 179 kg CO₂ (+74% vs. direct)
Leg 1
SLC → PHX
1h 43m · 506 mi
View SLC to PHX flights →
Leg 2
PHX → ONT
1h 15m · 325 mi
View PHX to ONT flights →
SLC SMF (Sacramento) ONT
Leg 1: 1h 47m (531 mi) Leg 2: 1h 20m (389 mi) Total: ~3h 7m 🍃 195 kg CO₂ (+89% vs. direct)
Leg 1
SLC → SMF
1h 47m · 531 mi
View SLC to SMF flights →
Leg 2
SMF → ONT
1h 20m · 389 mi
View SMF to ONT flights →
SLC SJC (San Jose) ONT
Leg 1: 1h 59m (583 mi) Leg 2: 1h 15m (333 mi) Total: ~3h 14m 🍃 195 kg CO₂ (+89% vs. direct)
Leg 1
SLC → SJC
1h 59m · 583 mi
View SLC to SJC flights →
Leg 2
SJC → ONT
1h 15m · 333 mi
View SJC to ONT flights →
SLC OAK (Oakland) ONT
Leg 1: 2h 1m (588 mi) Leg 2: 1h 20m (361 mi) Total: ~3h 21m 🍃 201 kg CO₂ (+95% vs. direct)
Leg 1
SLC → OAK
2h 1m · 588 mi
View SLC to OAK flights →
Leg 2
OAK → ONT
1h 20m · 361 mi
View OAK to ONT flights →

Frequently Asked Questions

How long is the direct flight from Salt Lake City to Ontario?

A nonstop flight from Salt Lake City (SLC) to Ontario (ONT) takes approximately 1 hours and 51 minutes. The distance is 557 miles (896 km).

Which airlines fly nonstop from Salt Lake City to Ontario?

2 airlines: Delta Air Lines, Frontier Airlines.

Is there a nonstop flight from Salt Lake City to Ontario?

Yes. 2 airlines: Delta Air Lines, Frontier Airlines.

How far is Salt Lake City from Ontario?

The flight distance from Salt Lake City to Ontario is 557 miles (896 km), measured as the great-circle (shortest air) distance.

What type of aircraft flies from Salt Lake City to Ontario?

At 1h 51m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.

What is the carbon footprint of a flight from Salt Lake City to Ontario?

Roughly 103 kg CO2 per passenger one-way. That's about the same as driving 515 km.

Is the return flight from Ontario to Salt Lake City also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from Salt Lake City to Ontario?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.

How early should I arrive at Salt Lake City International for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.