Direct flights from San Diego to Boston SAN → BOS
Alaska Airlines, Delta Air Lines and JetBlue Airways operate nonstop flights from San Diego (SAN) to Boston (BOS). The nonstop flight takes around ~5h 12m, covering 2,582 miles (4,156 km) and operates multiple daily. Round-trip fares currently start at $407, with a typical fare around $448 across 28 recent fare combinations. Updated 14 June 2026.
60-day flexibility overview based on 28 recent fares across the next 60 days
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Alaska Airlines
AS
Delta Air Lines
DL
JetBlue Airways
B6
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Frequently asked questions
Is there a direct flight from San Diego to Boston?
Yes, Alaska Airlines, Delta Air Lines and 1 more airline 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 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 12m (approximately 4156 km).
How often do direct flights operate from San Diego to Boston?
Nonstop flights from San Diego to Boston operate multiple daily.
How much is a round-trip flight from San Diego to Boston?
Round-trip flights from San Diego (SAN) to Boston (BOS) start at $407, with a typical fare around $448. Based on 28 recent fare combinations.