Direct (nonstop) flights from Boston to San Diego
4 airlines fly nonstop from Boston Logan International Airport (BOS) to San Diego International Airport (SAN). It's 2,587 miles (4,164 km), about 6h 30m in the air. Operated by Alaska Airlines, JetBlue Airways, Delta Air Lines and others.
Alaska Airlines
JetBlue Airways
Delta Air Lines
Southwest Airlines
Route data last updated: May 31, 2026
Airlines with non-stop flights
AS
Alaska Airlines
B6
JetBlue Airways
DL
Delta Air Lines
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Boston to San Diego with one stop · direct emits 396 kg CO₂ per passenger
Looking for the return flight?
SAN → BOS: Flights from San Diego to BostonOther direct flights from Boston
Direct flights from San Diego (SAN)
Frequently Asked Questions
How long is the direct flight from Boston to San Diego?
A nonstop flight from Boston (BOS) to San Diego (SAN) takes approximately 6 hours and 30 minutes. The distance is 2,587 miles (4,164 km).
Which airlines fly nonstop from Boston to San Diego?
4 airlines: Alaska Airlines, JetBlue Airways, Delta Air Lines, Southwest Airlines.
Is there a nonstop flight from Boston to San Diego?
Yes. 4 airlines: Alaska Airlines, JetBlue Airways, Delta Air Lines, Southwest Airlines.
How far is Boston from San Diego?
The flight distance from Boston to San Diego is 2,587 miles (4,164 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Los Angeles.
What type of aircraft flies from Boston to San Diego?
At 6h 30m, this route typically uses wide-body aircraft — Boeing 777, 787, or Airbus A330/A350. Varies by airline.
What is the carbon footprint of a flight from Boston to San Diego?
Roughly 396 kg CO2 per passenger one-way. That's about the same as driving 1,980 km.
Is the return flight from San Diego to Boston 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 Boston 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 Boston Logan International Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.