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Route Reference

Boston to San Francisco

BOS
Boston
SFO
San Francisco
Distance4,341 km / 2,697 miles
Estimated Flight Time≈ 5.1 hours nonstop
Origin Time ZoneAmerica/New_York
Destination Time ZoneAmerica/Los_Angeles

Airlines Based in United States or United States

These carriers are headquartered in one of the two countries on this route — check directly for current route-specific availability:

How This Route Appears in a GDS PNR

A segment on this route typically looks like this in a raw PNR:

2  BA 287 Y 15JUL 2*BOSSFO HK1  800A  2000P

The six-letter pair BOSSFO tells you the flight departs Boston and arrives in San Francisco.

Frequently Asked Questions

How far is Boston from San Francisco?

Boston (BOS) is approximately 4,341 km (2,697 miles) from San Francisco (SFO).

How long is the flight from Boston to San Francisco?

A nonstop flight from BOS to SFO takes roughly 5.1 hours, based on typical long-haul cruise speed. Actual time varies by aircraft, routing, and wind.

What is the time difference between Boston and San Francisco?

Boston is on America/New_York and San Francisco is on America/Los_Angeles — check both before planning connections or calling clients.

Convert a Boston–San Francisco PNR to a Clean Itinerary

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