Travel with Air Canada from Boston to Sydney, NS (BOS - YQY) from USD 394*

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 394*
One way/Economy
Sep 2026
FromUSD 407*
One way/Economy
Oct 2026
FromUSD 407*
One way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label USD 394
cmp-daily-histogram-bars-legend-max-price-aria-label USD 842
Displaying fares for August-2026
  • BOS–YQY, Aug 09, 2026: From USD 842
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    AUG

  • BOS–YQY, Aug 10, 2026: From USD 842
    10

    Mo

  • BOS–YQY, Aug 11, 2026: From USD 837
    11

    Tu

  • BOS–YQY, Aug 12, 2026: From USD 755
    12

    We

  • BOS–YQY, Aug 13, 2026: From USD 755
    13

    Th

  • BOS–YQY, Aug 14, 2026: From USD 779
    14

    Fr

  • BOS–YQY, Aug 15, 2026: From USD 755
    15

    Sa

  • BOS–YQY, Aug 16, 2026: From USD 688
    16

    Su

  • BOS–YQY, Aug 17, 2026: From USD 688
    17

    Mo

  • BOS–YQY, Aug 18, 2026: From USD 508
    18

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  • BOS–YQY, Aug 19, 2026: From USD 492
    19

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  • BOS–YQY, Aug 20, 2026: From USD 492
    20

    Th

  • BOS–YQY, Aug 21, 2026: From USD 484
    21

    Fr

  • BOS–YQY, Aug 22, 2026: From USD 492
    22

    Sa

  • BOS–YQY, Aug 23, 2026: From USD 449
    23

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  • BOS–YQY, Aug 24, 2026: From USD 449
    24

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  • BOS–YQY, Aug 25, 2026: From USD 449
    25

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  • BOS–YQY, Aug 26, 2026: From USD 449
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  • BOS–YQY, Aug 27, 2026: From USD 449
    27

    Th

  • BOS–YQY, Aug 28, 2026: From USD 449
    28

    Fr

  • BOS–YQY, Aug 29, 2026: From USD 449
    29

    Sa

  • BOS–YQY, Aug 30, 2026: From USD 394
    30

    Su

  • BOS–YQY, Aug 31, 2026: From USD 394
    31

    Mo

  • BOS–YQY, Sep 01, 2026: From USD 414
    01

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    SEP

  • BOS–YQY, Sep 02, 2026: From USD 414
    02

    We

  • BOS–YQY, Sep 03, 2026: From USD 414
    03

    Th

  • BOS–YQY, Sep 04, 2026: From USD 421
    04

    Fr

  • BOS–YQY, Sep 05, 2026: From USD 414
    05

    Sa

  • BOS–YQY, Sep 06, 2026: From USD 414
    06

    Su

  • BOS–YQY, Sep 07, 2026: From USD 414
    07

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  • BOS–YQY, Sep 08, 2026: From USD 407
    08

    Tu

    • RangeUSD 394-USD 842

    *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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