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Route Reference

Boston to Sydney

BOS
Boston
SYD
Sydney
Distance16,250 km / 10,098 miles
Estimated Flight Time≈ 19.1 hours nonstop
Origin Time ZoneAmerica/New_York
Destination Time ZoneAustralia/Sydney

Airlines Based in United States or Australia

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*BOSSYD HK1  800A  2000P

The six-letter pair BOSSYD tells you the flight departs Boston and arrives in Sydney.

Frequently Asked Questions

How far is Boston from Sydney?

Boston (BOS) is approximately 16,250 km (10,098 miles) from Sydney (SYD).

How long is the flight from Boston to Sydney?

A nonstop flight from BOS to SYD takes roughly 19.1 hours, based on typical long-haul cruise speed. Actual time varies by aircraft, routing, and wind.

What is the time difference between Boston and Sydney?

Boston is on America/New_York and Sydney is on Australia/Sydney — check both before planning connections or calling clients.

Convert a Boston–Sydney PNR to a Clean Itinerary

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