Direct (nonstop) flights from Salt Lake City to San Diego
4 airlines fly nonstop from Salt Lake City International (SLC) to San Diego International Airport (SAN). It's 626 miles (1,007 km), about 1h 58m in the air. Operated by Alaska Airlines, Delta Air Lines, Frontier Airlines and others.
Alaska Airlines
Delta Air Lines
Frontier Airlines
Southwest Airlines
Route data last updated: May 29, 2026
Airlines with non-stop flights
AS
Alaska Airlines
DL
Delta Air Lines
F9
Frontier Airlines
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Salt Lake City to San Diego with one stop · direct emits 116 kg CO₂ per passenger
Looking for the return flight?
SAN → SLC: Flights from San Diego to Salt Lake CityOther direct flights from Salt Lake City
Direct flights from San Diego (SAN)
Frequently Asked Questions
How long is the direct flight from Salt Lake City to San Diego?
A nonstop flight from Salt Lake City (SLC) to San Diego (SAN) takes approximately 1 hours and 58 minutes. The distance is 626 miles (1,007 km).
Which airlines fly nonstop from Salt Lake City to San Diego?
4 airlines: Alaska Airlines, Delta Air Lines, Frontier Airlines, Southwest Airlines.
Is there a nonstop flight from Salt Lake City to San Diego?
Yes. 4 airlines: Alaska Airlines, Delta Air Lines, Frontier Airlines, Southwest Airlines.
How far is Salt Lake City from San Diego?
The flight distance from Salt Lake City to San Diego is 626 miles (1,007 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as the length of Italy.
What type of aircraft flies from Salt Lake City to San Diego?
At 1h 58m, 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 San Diego?
Roughly 116 kg CO2 per passenger one-way. That's about the same as driving 580 km.
Is the return flight from San Diego 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 San Diego?
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.