Direct flights from San Diego to Boston SAN → BOS
Alaska Airlines, Delta Air Lines, JetBlue Airways and Southwest Airlines fly nonstop from San Diego (SAN) to Boston (BOS), several times daily. The flight takes about 5h 50m and covers 2,582 miles (4,156 km). Round-trip fares typically run around $257. Arrivals run on time 75.8% at SAN and 75.4% at BOS — BTS data for the last three months, counting arrivals within 15 minutes of schedule. Fares last checked 1 August 2026.
60-day flexibility overview based on 1 recent fares across the next 60 days
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Alaska Airlines
AS
Delta Air Lines
DL
JetBlue Airways
B6
Southwest Airlines
WN
Frequently asked questions
Is there a direct flight from San Diego to Boston?
Yes, Alaska Airlines, Delta Air Lines and 2 more airlines operate nonstop flights from San Diego (SAN) to Boston (BOS).
Which airlines fly direct from San Diego to Boston?
Alaska Airlines, Delta Air Lines, JetBlue Airways, Southwest Airlines operate nonstop flights from San Diego to Boston.
How long is the flight from San Diego to Boston?
The nonstop flight from San Diego to Boston takes ~5h 50m (approximately 4156 km).
How often do direct flights operate from San Diego to Boston?
Nonstop flights from San Diego to Boston operate multiple daily.
What is the on-time performance for flights from San Diego to Boston?
Arrivals run on time 75.8% at SAN and 75.4% at BOS — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
How much is a round-trip flight from San Diego to Boston?
Round-trip flights from San Diego (SAN) to Boston (BOS) start at $257, with a typical fare around $257. Based on 1 recent fare combinations.
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