Travel with Air Canada from Boston to Sydney, NS (BOS - YQY) from USD 374*

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

Aug 2026
FromUSD 852*
One way/Economy
Sep 2026
FromUSD 374*
One way/Economy
Oct 2026
FromUSD 422*
One way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label USD 374
cmp-daily-histogram-bars-legend-max-price-aria-label USD 852
Displaying fares for August-2026
  • BOS–YQY, Aug 30, 2026: From USD 852
    30

    Su

    AUG

  • BOS–YQY, Aug 31, 2026: From USD 852
    31

    Mo

  • BOS–YQY, Sep 01, 2026: From USD 852
    01

    Tu

    SEP

  • BOS–YQY, Sep 02, 2026: From USD 770
    02

    We

  • BOS–YQY, Sep 03, 2026: From USD 770
    03

    Th

  • BOS–YQY, Sep 04, 2026: From USD 775
    04

    Fr

  • BOS–YQY, Sep 05, 2026: From USD 770
    05

    Sa

  • BOS–YQY, Sep 06, 2026: From USD 703
    06

    Su

  • BOS–YQY, Sep 07, 2026: From USD 703
    07

    Mo

  • BOS–YQY, Sep 08, 2026: From USD 504
    08

    Tu

  • BOS–YQY, Sep 09, 2026: From USD 480
    09

    We

  • BOS–YQY, Sep 10, 2026: From USD 488
    10

    Th

  • BOS–YQY, Sep 11, 2026: From USD 488
    11

    Fr

  • BOS–YQY, Sep 12, 2026: From USD 483
    12

    Sa

  • BOS–YQY, Sep 13, 2026: From USD 467
    13

    Su

  • BOS–YQY, Sep 14, 2026: From USD 459
    14

    Mo

  • BOS–YQY, Sep 15, 2026: From USD 459
    15

    Tu

  • BOS–YQY, Sep 16, 2026: From USD 467
    16

    We

  • BOS–YQY, Sep 17, 2026: From USD 467
    17

    Th

  • BOS–YQY, Sep 18, 2026: From USD 467
    18

    Fr

  • BOS–YQY, Sep 19, 2026: From USD 459
    19

    Sa

  • BOS–YQY, Sep 20, 2026: From USD 374
    20

    Su

  • BOS–YQY, Sep 21, 2026: From USD 374
    21

    Mo

  • BOS–YQY, Sep 22, 2026: From USD 398
    22

    Tu

  • BOS–YQY, Sep 23, 2026: From USD 382
    23

    We

  • BOS–YQY, Sep 24, 2026: From USD 374
    24

    Th

  • BOS–YQY, Sep 25, 2026: From USD 382
    25

    Fr

  • BOS–YQY, Sep 26, 2026: From USD 374
    26

    Sa

  • BOS–YQY, Sep 27, 2026: From USD 382
    27

    Su

  • BOS–YQY, Sep 28, 2026: From USD 398
    28

    Mo

  • BOS–YQY, Sep 29, 2026: From USD 374
    29

    Tu

    • RangeUSD 374-USD 852

    *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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