Direct (nonstop) flights from San Diego to Boston
4 airlines fly nonstop from San Diego International Airport (SAN) to Boston Logan International Airport (BOS). It's 2,587 miles (4,164 km), about 5h 38m 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 29, 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 San Diego to Boston with one stop · direct emits 396 kg CO₂ per passenger
Looking for the return flight?
BOS → SAN: Flights from Boston to San DiegoOther direct flights from San Diego
Direct flights from Boston (BOS)
Frequently Asked Questions
How long is the direct flight from San Diego to Boston?
A nonstop flight from San Diego (SAN) to Boston (BOS) takes approximately 5 hours and 38 minutes. The distance is 2,587 miles (4,164 km).
Which airlines fly nonstop from San Diego to Boston?
4 airlines: Alaska Airlines, JetBlue Airways, Delta Air Lines, Southwest Airlines.
Is there a nonstop flight from San Diego to Boston?
Yes. 4 airlines: Alaska Airlines, JetBlue Airways, Delta Air Lines, Southwest Airlines.
How far is San Diego from Boston?
The flight distance from San Diego to Boston 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 San Diego to Boston?
At 5h 38m, 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 Boston?
Roughly 396 kg CO2 per passenger one-way. That's about the same as driving 1,980 km.
Is the return flight from Boston 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 Boston?
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.