Direct (nonstop) flights from San Francisco to Boise

2 airlines fly nonstop from San Francisco International (SFO) to Boise Air Terminal (BOI). It's 523 miles (841 km), about 1h 52m in the air. Operated by Alaska Airlines, United Airlines.

SFO
San Francisco International
🇺🇸 San Francisco, USA
BOI
Boise Air Terminal
🇺🇸 Boise, USA
Flight Time
1h 52m
Distance
523 mi
841 km
CO₂/pax
97 kg
−25 kg vs. layover
Airlines
2
Alaska Airlines +1
Time Diff
+1h
Operated by Alaska Airlines Alaska Airlines United Airlines United Airlines

Route data last updated: May 31, 2026

Airlines with non-stop flights

Alaska Airlines AS Alaska Airlines
Route
SFO → BOI
Flight Time
1h 52m
Distance
523 mi
United Airlines UA United Airlines
Route
SFO → BOI
Flight Time
1h 52m
Distance
523 mi

Alternative Routes

Other ways to fly from San Francisco to Boise with one stop · direct emits 97 kg CO₂ per passenger

SFO SMF (Sacramento) BOI
Leg 1: 1h 2m (86 mi) Leg 2: 1h 25m (437 mi) Total: ~2h 27m 🍃 122 kg CO₂ (+26% vs. direct)
Leg 1
SFO → SMF
1h 2m · 86 mi
View SFO to SMF flights →
Leg 2
SMF → BOI
1h 25m · 437 mi
View SMF to BOI flights →
SFO PDX (Portland) BOI
Leg 1: 1h 52m (550 mi) Leg 2: 1h 19m (344 mi) Total: ~3h 11m 🍃 191 kg CO₂ (+97% vs. direct)
Leg 1
SFO → PDX
1h 52m · 550 mi
View SFO to PDX flights →
Leg 2
PDX → BOI
1h 19m · 344 mi
View PDX to BOI flights →
SFO SLC (Salt Lake City) BOI
Leg 1: 1h 59m (599 mi) Leg 2: 1h 15m (290 mi) Total: ~3h 14m 🍃 190 kg CO₂ (+96% vs. direct)
Leg 1
SFO → SLC
1h 59m · 599 mi
View SFO to SLC flights →
Leg 2
SLC → BOI
1h 15m · 290 mi
View SLC to BOI flights →
SFO GEG (Spokane) BOI
Leg 1: 2h 21m (733 mi) Leg 2: 1h 8m (287 mi) Total: ~3h 29m 🍃 214 kg CO₂ (+121% vs. direct)
Leg 1
SFO → GEG
2h 21m · 733 mi
View SFO to GEG flights →
Leg 2
GEG → BOI
1h 8m · 287 mi
View GEG to BOI flights →
SFO ONT (Ontario) BOI
Leg 1: 1h 33m (364 mi) Leg 2: 2h 1m (660 mi) Total: ~3h 34m 🍃 214 kg CO₂ (+121% vs. direct)
Leg 1
SFO → ONT
1h 33m · 364 mi
View SFO to ONT flights →
Leg 2
ONT → BOI
2h 1m · 660 mi
View ONT to BOI flights →

Frequently Asked Questions

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

A nonstop flight from San Francisco (SFO) to Boise (BOI) takes approximately 1 hours and 52 minutes. The distance is 523 miles (841 km).

Which airlines fly nonstop from San Francisco to Boise?

2 airlines: Alaska Airlines, United Airlines.

Is there a nonstop flight from San Francisco to Boise?

Yes. 2 airlines: Alaska Airlines, United Airlines.

How far is San Francisco from Boise?

The flight distance from San Francisco to Boise is 523 miles (841 km), measured as the great-circle (shortest air) distance.

What type of aircraft flies from San Francisco to Boise?

At 1h 52m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.

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

Roughly 97 kg CO2 per passenger one-way. That's about the same as driving 485 km.

Is the return flight from Boise 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 Boise?

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.