Flights from Montreal to Billings from CA $ 857*

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Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from Montreal (YUL) to Billings (BIL)

May 2026
FromCA $ 857*
Viewed: 21 hours ago
RoundTrip|Economy
Jun 2026
FromCA $ 874*
Viewed: 21 hours ago
RoundTrip|Economy
Jul 2026
FromCA $ 950*
Viewed: 21 hours ago
RoundTrip|Economy
cmp-daily-histogram-bars-legend-min-price-aria-label CA $ 857
cmp-daily-histogram-bars-legend-max-price-aria-label CA $ 2.3K
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    • RangeCA $ 857-CA $ 2,315

    *Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.

    More United deals on Montreal (YUL) to Billings (BIL) flights

    CA $
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    More United deals on Montreal (YUL) to Billings (BIL) flights
    From
    To
    Fare Type
    Dates
    Price
    Montreal (YUL)Billings (BIL)Roundtrip
    |
    Economy    		2026/05/23 - 2026/06/06

    from

    CA $ 857

    Viewed: 21 hours ago

    Montreal (YUL)Billings (BIL)Roundtrip
    |
    Economy    		2026/05/30 - 2026/06/06

    from

    CA $ 857

    Viewed: 21 hours ago

    Montreal (YUL)Billings (BIL)Roundtrip
    |
    Economy    		2026/05/29 - 2026/06/02

    from

    CA $ 857

    Viewed: 21 hours ago

    Montreal (YUL)Billings (BIL)Roundtrip
    |
    Economy    		2026/06/06 - 2026/06/20

    from

    CA $ 874

    Viewed: 21 hours ago

    Montreal (YUL)Billings (BIL)Roundtrip
    |
    Economy    		2026/06/13 - 2026/06/20

    from

    CA $ 874

    Viewed: 21 hours ago

    Montreal (YUL)Billings (BIL)Roundtrip
    |
    Economy    		2026/06/16 - 2026/06/30

    from

    CA $ 882

    Viewed: 21 hours ago

    Montreal (YUL)Billings (BIL)Roundtrip
    |
    Economy    		2026/05/23 - 2026/05/30

    from

    CA $ 885

    Viewed: 21 hours ago

    Montreal (YUL)Billings (BIL)Roundtrip
    |
    Economy    		2026/06/16 - 2026/06/20

    from

    CA $ 914

    Viewed: 21 hours ago

    *Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.

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