Direct (nonstop) flights from Carlsbad to San Francisco

1 airline flys nonstop from McClellan-Palomar Airport (CLD) to San Francisco International (SFO). It's 423 miles (680 km), about 1h 45m in the air. Operated by United Airlines.

CLD
McClellan-Palomar Airport
🇺🇸 Carlsbad, USA
SFO
San Francisco International
🇺🇸 San Francisco, USA
Flight Time
1h 45m
Distance
423 mi
680 km
CO₂/pax
78 kg
−125 kg vs. layover
Airlines
1
United Airlines
Time Diff
Same timezone
Operated by United Airlines United Airlines

Route data last updated: May 30, 2026

Airlines with non-stop flights

United Airlines UA United Airlines
Route
CLD → SFO
Flight Time
1h 45m
Distance
423 mi

Alternative Routes

Other ways to fly from Carlsbad to San Francisco with one stop · direct emits 78 kg CO₂ per passenger

CLD PHX (Phoenix) SFO
Leg 1: 1h 21m (306 mi) Leg 2: 2h 8m (652 mi) Total: ~3h 29m 🍃 203 kg CO₂ (+160% vs. direct)
Leg 1
CLD → PHX
1h 21m · 306 mi
View CLD to PHX flights →
Leg 2
PHX → SFO
2h 8m · 652 mi
View PHX to SFO flights →
CLD DEN (Denver) SFO
Leg 1: 2h 38m (839 mi) Leg 2: 2h 46m (967 mi) Total: ~5h 24m 🍃 343 kg CO₂ (+340% vs. direct)
Leg 1
CLD → DEN
2h 38m · 839 mi
View CLD to DEN flights →
Leg 2
DEN → SFO
2h 46m · 967 mi
View DEN to SFO flights →

Frequently Asked Questions

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

A nonstop flight from Carlsbad (CLD) to San Francisco (SFO) takes approximately 1 hours and 45 minutes. The distance is 423 miles (680 km).

Which airlines fly nonstop from Carlsbad to San Francisco?

Just United Airlines.

Is there a nonstop flight from Carlsbad to San Francisco?

Yes. 1 airline: United Airlines.

How far is Carlsbad from San Francisco?

The flight distance from Carlsbad to San Francisco is 423 miles (680 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as Mumbai to Goa.

What type of aircraft flies from Carlsbad to San Francisco?

At 1h 45m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.

What is the carbon footprint of a flight from Carlsbad to San Francisco?

Roughly 78 kg CO2 per passenger one-way. That's about the same as driving 390 km.

Is the return flight from San Francisco to Carlsbad 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 Carlsbad 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 McClellan-Palomar Airport for this flight?

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