Direct (nonstop) flights from Seattle to Salt Lake City
3 airlines fly nonstop from Seattle Tacoma International (SEA) to Salt Lake City International (SLC). It's 688 miles (1,107 km), about 2h 6m in the air. Operated by Alaska Airlines, Delta Air Lines, Frontier Airlines.
Alaska Airlines
Delta Air Lines
Frontier Airlines
Route data last updated: May 26, 2026
Airlines with non-stop flights
F9
Frontier Airlines
Alternative Routes
Other ways to fly from Seattle to Salt Lake City with one stop · direct emits 127 kg CO₂ per passenger
Looking for the return flight?
SLC → SEA: Flights from Salt Lake City to SeattleOther direct flights from Seattle
Direct flights from Salt Lake City (SLC)
Frequently Asked Questions
How long is the direct flight from Seattle to Salt Lake City?
A nonstop flight from Seattle (SEA) to Salt Lake City (SLC) takes approximately 2 hours and 6 minutes. The distance is 688 miles (1,107 km).
Which airlines fly nonstop from Seattle to Salt Lake City?
3 airlines: Alaska Airlines, Delta Air Lines, Frontier Airlines.
Is there a nonstop flight from Seattle to Salt Lake City?
Yes. 3 airlines: Alaska Airlines, Delta Air Lines, Frontier Airlines.
How far is Seattle from Salt Lake City?
The flight distance from Seattle to Salt Lake City is 688 miles (1,107 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 Seattle to Salt Lake City?
At 2h 6m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
What is the carbon footprint of a flight from Seattle to Salt Lake City?
Roughly 127 kg CO2 per passenger one-way. That's about the same as driving 635 km.
Is the return flight from Salt Lake City to Seattle 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 Seattle to Salt Lake City?
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 Seattle Tacoma International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.