Direct (nonstop) flights from Aspen to San Francisco

1 airline flys nonstop from Aspen Pitkin County Sardy Field (ASE) to San Francisco International (SFO). It's 848 miles (1,365 km), about 2h 49m in the air. Operated by United Airlines.

ASE
Aspen Pitkin County Sardy Field
🇺🇸 Aspen, USA
SFO
San Francisco International
🇺🇸 San Francisco, USA
Flight Time
2h 49m
Distance
848 mi
1,365 km
CO₂/pax
157 kg
−54 kg vs. layover
Airlines
1
United Airlines
Time Diff
-1h
Operated by United Airlines United Airlines

Route data last updated: May 28, 2026

Airlines with non-stop flights

United Airlines UA United Airlines
Route
ASE → SFO
Flight Time
2h 49m
Distance
848 mi

Alternative Routes

Other ways to fly from Aspen to San Francisco with one stop · direct emits 157 kg CO₂ per passenger

ASE DEN (Denver) SFO
Leg 1: 1h 13m (125 mi) Leg 2: 2h 46m (967 mi) Total: ~3h 59m 🍃 211 kg CO₂ (+34% vs. direct)
Leg 1
ASE → DEN
1h 13m · 125 mi
View ASE to DEN flights →
Leg 2
DEN → SFO
2h 46m · 967 mi
View DEN to SFO flights →
ASE LAX (Los Angeles) SFO
Leg 1: 2h 33m (737 mi) Leg 2: 1h 29m (337 mi) Total: ~4h 2m 🍃 223 kg CO₂ (+42% vs. direct)
Leg 1
ASE → LAX
2h 33m · 737 mi
View ASE to LAX flights →
Leg 2
LAX → SFO
1h 29m · 337 mi
View LAX to SFO flights →
ASE PHX (Phoenix) SFO
Leg 1: 2h 2m (491 mi) Leg 2: 2h 8m (652 mi) Total: ~4h 10m 🍃 237 kg CO₂ (+51% vs. direct)
Leg 1
ASE → PHX
2h 2m · 491 mi
View ASE to PHX flights →
Leg 2
PHX → SFO
2h 8m · 652 mi
View PHX to SFO flights →
ASE DFW (Dallas) SFO
Leg 1: 2h 20m (701 mi) Leg 2: 3h 54m (1,465 mi) Total: ~6h 14m 🍃 403 kg CO₂ (+157% vs. direct)
Leg 1
ASE → DFW
2h 20m · 701 mi
View ASE to DFW flights →
Leg 2
DFW → SFO
3h 54m · 1,465 mi
View DFW to SFO flights →
ASE AUS (Austin) SFO
Leg 1: 2h 28m (812 mi) Leg 2: 4h 1m (1,504 mi) Total: ~6h 29m 🍃 429 kg CO₂ (+173% vs. direct)
Leg 1
ASE → AUS
2h 28m · 812 mi
View ASE to AUS flights →
Leg 2
AUS → SFO
4h 1m · 1,504 mi
View AUS to SFO flights →

Frequently Asked Questions

How long is the direct flight from Aspen to San Francisco?

A nonstop flight from Aspen (ASE) to San Francisco (SFO) takes approximately 2 hours and 49 minutes. The distance is 848 miles (1,365 km).

Which airlines fly nonstop from Aspen to San Francisco?

Just United Airlines.

Is there a nonstop flight from Aspen to San Francisco?

Yes. 1 airline: United Airlines.

How far is Aspen from San Francisco?

The flight distance from Aspen to San Francisco is 848 miles (1,365 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Madrid.

What type of aircraft flies from Aspen to San Francisco?

At 2h 49m, 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 Aspen to San Francisco?

Roughly 157 kg CO2 per passenger one-way. That's about the same as driving 785 km.

Is the return flight from San Francisco to Aspen 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 Aspen to San Francisco?

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 Aspen Pitkin County Sardy Field for this flight?

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