Direct (nonstop) flights from San Francisco to Denver
3 airlines fly nonstop from San Francisco International (SFO) to Denver International (DEN). It's 967 miles (1,557 km), about 2h 47m in the air. Operated by Frontier Airlines, United Airlines, Southwest Airlines.
Frontier Airlines
United Airlines
Southwest Airlines
Route data last updated: May 30, 2026
Airlines with non-stop flights
F9
Frontier Airlines
UA
United Airlines
WN
Southwest Airlines
Alternative Routes
Other ways to fly from San Francisco to Denver with one stop · direct emits 163 kg CO₂ per passenger
Looking for the return flight?
DEN → SFO: Flights from Denver to San FranciscoOther direct flights from San Francisco
Direct flights from Denver (DEN)
Frequently Asked Questions
How long is the direct flight from San Francisco to Denver?
A nonstop flight from San Francisco (SFO) to Denver (DEN) takes approximately 2 hours and 47 minutes. The distance is 967 miles (1,557 km).
Which airlines fly nonstop from San Francisco to Denver?
3 airlines: Frontier Airlines, United Airlines, Southwest Airlines.
Is there a nonstop flight from San Francisco to Denver?
Yes. 3 airlines: Frontier Airlines, United Airlines, Southwest Airlines.
How far is San Francisco from Denver?
The flight distance from San Francisco to Denver is 967 miles (1,557 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Miami.
What type of aircraft flies from San Francisco to Denver?
At 2h 47m, 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 San Francisco to Denver?
Roughly 163 kg CO2 per passenger one-way. That's about the same as driving 815 km.
Is the return flight from Denver to San Francisco 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 San Francisco to Denver?
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 San Francisco International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.