Direct (nonstop) flights from San Diego to Boise
2 airlines fly nonstop from San Diego International Airport (SAN) to Boise Air Terminal (BOI). It's 749 miles (1,205 km), about 2h 22m in the air. Operated by Alaska Airlines, Southwest Airlines.
Alaska Airlines
Southwest Airlines
Route data last updated: May 27, 2026
Airlines with non-stop flights
AS
Alaska Airlines
WN
Southwest Airlines
Alternative Routes
Other ways to fly from San Diego to Boise with one stop · direct emits 139 kg CO₂ per passenger
Looking for the return flight?
BOI → SAN: Flights from Boise to San DiegoOther direct flights from San Diego
Direct flights from Boise (BOI)
Frequently Asked Questions
How long is the direct flight from San Diego to Boise?
A nonstop flight from San Diego (SAN) to Boise (BOI) takes approximately 2 hours and 22 minutes. The distance is 749 miles (1,205 km).
Which airlines fly nonstop from San Diego to Boise?
2 airlines: Alaska Airlines, Southwest Airlines.
Is there a nonstop flight from San Diego to Boise?
Yes. 2 airlines: Alaska Airlines, Southwest Airlines.
How far is San Diego from Boise?
The flight distance from San Diego to Boise is 749 miles (1,205 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 San Diego to Boise?
At 2h 22m, 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 Diego to Boise?
Roughly 139 kg CO2 per passenger one-way. That's about the same as driving 695 km.
Is the return flight from Boise to San Diego 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 Diego 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 Diego International Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.