Travel with Air Canada from Boston to Sydney, NS (BOS - YQY) from USD 312*

Promotion code

*Fares displayed have been collected within the last 48 hours and may no longer be available at the time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.

Flights between Boston and Sydney, NS - our lowest fares in cash

May 2026
FromUSD 407*
One way/Economy
Jun 2026
FromUSD 327*
One way/Economy
Jul 2026
FromUSD 327*
One way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label USD 327
cmp-daily-histogram-bars-legend-max-price-aria-label USD 817
Displaying fares for May-2026
  • 20

    We

    MAY

  • 21

    Th

  • 22

    Fr

  • 23

    Sa

  • 24

    Su

  • 25

    Mo

  • 26

    Tu

  • 27

    We

  • 28

    Th

  • 29

    Fr

  • 30

    Sa

  • 31

    Su

  • 01

    Mo

    JUN

  • 02

    Tu

  • 03

    We

  • 04

    Th

  • 05

    Fr

  • 06

    Sa

  • 07

    Su

  • 08

    Mo

  • 09

    Tu

  • 10

    We

  • 11

    Th

  • 12

    Fr

  • 13

    Sa

  • 14

    Su

  • 15

    Mo

  • 16

    Tu

  • 17

    We

  • 18

    Th

  • 19

    Fr

    • RangeUSD 327-USD 817

    *Fares displayed have been collected within the last 48 hours and may no longer be available at the time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.

    Book flights from Boston (BOS) to Sydney, NS (YQY) | Air Canada

    Explore all routes from Boston to Sydney, NS