Flights from Ottawa to Las Vegas from CA $ 375*

Promotion Code

Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from Ottawa (YOW) to Las Vegas (LAS)

Mar 2026
FromCA $ 708*
Viewed: 23 hours ago
RoundTrip|Economy
Apr 2026
FromCA $ 388*
Viewed: 23 hours ago
RoundTrip|Economy
May 2026
FromCA $ 388*
Viewed: 23 hours ago
RoundTrip|Economy
CA $ 388
CA $ 1.5K
Displaying fares for March-2026
  • 23

    Mo

    MAR

  • 24

    Tu

  • 25

    We

  • 26

    Th

  • 27

    Fr

  • 28

    Sa

  • 29

    Su

  • 30

    Mo

  • 31

    Tu

  • 01

    We

    APR

  • 02

    Th

  • 03

    Fr

  • 04

    Sa

  • 05

    Su

  • 06

    Mo

  • 07

    Tu

  • 08

    We

  • 09

    Th

  • 10

    Fr

  • 11

    Sa

  • 12

    Su

  • 13

    Mo

  • 14

    Tu

  • 15

    We

  • 16

    Th

  • 17

    Fr

  • 18

    Sa

  • 19

    Su

  • 20

    Mo

  • 21

    Tu

  • 22

    We

    • RangeCA $ 388-CA $ 1,543

    *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 Ottawa (YOW) to Las Vegas (LAS) flights

    CA $
    keyboard_arrow_down
    More United deals on Ottawa (YOW) to Las Vegas (LAS) flights
    From
    To
    Fare Type
    Dates
    Price
    Ottawa (YOW)Las Vegas (LAS)Roundtrip
    |
    Economy    		2026/06/20 - 2026/07/04

    from

    CA $ 375

    Viewed: 23 hours ago

    Ottawa (YOW)Las Vegas (LAS)Roundtrip
    |
    Economy    		2026/06/06 - 2026/06/10

    from

    CA $ 388

    Viewed: 23 hours ago

    Ottawa (YOW)Las Vegas (LAS)Roundtrip
    |
    Economy    		2026/05/30 - 2026/06/03

    from

    CA $ 388

    Viewed: 23 hours ago

    Ottawa (YOW)Las Vegas (LAS)Roundtrip
    |
    Economy    		2026/04/11 - 2026/04/15

    from

    CA $ 388

    Viewed: 23 hours ago

    Ottawa (YOW)Las Vegas (LAS)Roundtrip
    |
    Economy    		2026/04/11 - 2026/04/18

    from

    CA $ 388

    Viewed: 23 hours ago

    Ottawa (YOW)Las Vegas (LAS)Roundtrip
    |
    Economy    		2026/04/29 - 2026/05/13

    from

    CA $ 388

    Viewed: 23 hours ago

    Ottawa (YOW)Las Vegas (LAS)Roundtrip
    |
    Economy    		2026/06/20 - 2026/06/24

    from

    CA $ 388

    Viewed: 23 hours ago

    Ottawa (YOW)Las Vegas (LAS)Roundtrip
    |
    Economy    		2026/06/03 - 2026/06/10

    from

    CA $ 388

    Viewed: 23 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.

    Explore United Airlines's Top-Pick Destinations

    Explore more United flights