Direct (nonstop) flights from Boise to San Diego
2 airlines fly nonstop from Boise Air Terminal (BOI) to San Diego International Airport (SAN). It's 749 miles (1,205 km), about 2h 24m in the air. Operated by Alaska Airlines, Southwest Airlines.
Alaska Airlines
Southwest Airlines
Route data last updated: May 31, 2026
Airlines with non-stop flights
AS
Alaska Airlines
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Boise to San Diego with one stop · direct emits 139 kg CO₂ per passenger
Looking for the return flight?
SAN → BOI: Flights from San Diego to BoiseOther direct flights from Boise
Direct flights from San Diego (SAN)
Frequently Asked Questions
How long is the direct flight from Boise to San Diego?
A nonstop flight from Boise (BOI) to San Diego (SAN) takes approximately 2 hours and 24 minutes. The distance is 749 miles (1,205 km).
Which airlines fly nonstop from Boise to San Diego?
2 airlines: Alaska Airlines, Southwest Airlines.
Is there a nonstop flight from Boise to San Diego?
Yes. 2 airlines: Alaska Airlines, Southwest Airlines.
How far is Boise from San Diego?
The flight distance from Boise to San Diego 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 Boise to San Diego?
At 2h 24m, 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 Boise to San Diego?
Roughly 139 kg CO2 per passenger one-way. That's about the same as driving 695 km.
Is the return flight from San Diego to Boise 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 Boise to San Diego?
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 Boise Air Terminal for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.