Travel with Air Canada from Boston to Sydney, NS (BOS - YQY) from USD 433*

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

Oct 2026
FromUSD 472*
One way/Economy
Nov 2026
FromUSD 433*
One way/Economy
Dec 2026
FromUSD 433*
One way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label USD 433
cmp-daily-histogram-bars-legend-max-price-aria-label USD 947
Displaying fares for October-2026
  • BOS–YQY, Oct 10, 2026: From USD 942
    10

    Sa

    OCT

  • BOS–YQY, Oct 11, 2026: From USD 947
    11

    Su

  • BOS–YQY, Oct 12, 2026: From USD 865
    12

    Mo

  • BOS–YQY, Oct 13, 2026: From USD 865
    13

    Tu

  • BOS–YQY, Oct 14, 2026: From USD 865
    14

    We

  • BOS–YQY, Oct 15, 2026: From USD 860
    15

    Th

  • BOS–YQY, Oct 16, 2026: From USD 722
    16

    Fr

  • BOS–YQY, Oct 17, 2026: From USD 704
    17

    Sa

  • BOS–YQY, Oct 18, 2026: From USD 707
    18

    Su

  • BOS–YQY, Oct 19, 2026: From USD 692
    19

    Mo

  • BOS–YQY, Oct 20, 2026: From USD 692
    20

    Tu

  • BOS–YQY, Oct 21, 2026: From USD 692
    21

    We

  • BOS–YQY, Oct 22, 2026: From USD 638
    22

    Th

  • BOS–YQY, Oct 23, 2026: From USD 581
    23

    Fr

  • BOS–YQY, Oct 24, 2026: From USD 581
    24

    Sa

  • BOS–YQY, Oct 25, 2026: From USD 605
    25

    Su

  • BOS–YQY, Oct 26, 2026: From USD 605
    26

    Mo

  • BOS–YQY, Oct 27, 2026: From USD 605
    27

    Tu

  • BOS–YQY, Oct 28, 2026: From USD 605
    28

    We

  • BOS–YQY, Oct 29, 2026: From USD 605
    29

    Th

  • BOS–YQY, Oct 30, 2026: From USD 472
    30

    Fr

  • BOS–YQY, Oct 31, 2026: From USD 472
    31

    Sa

  • BOS–YQY, Nov 01, 2026: From USD 472
    01

    Su

    NOV

  • BOS–YQY, Nov 02, 2026: From USD 472
    02

    Mo

  • BOS–YQY, Nov 03, 2026: From USD 472
    03

    Tu

  • BOS–YQY, Nov 04, 2026: From USD 472
    04

    We

  • BOS–YQY, Nov 05, 2026: From USD 472
    05

    Th

  • BOS–YQY, Nov 06, 2026: From USD 472
    06

    Fr

  • BOS–YQY, Nov 07, 2026: From USD 470
    07

    Sa

  • BOS–YQY, Nov 08, 2026: From USD 433
    08

    Su

  • BOS–YQY, Nov 09, 2026: From USD 433
    09

    Mo

    • RangeUSD 433-USD 947

    *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.

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