Cheap Flights from Las Vegas to Ottawa from $161

Frequently Asked Questions

• What are the cheapest flights from Las Vegas to Ottawa (LAS-YOW)?

  Based on Trip.com data, WestJet offers one-way fares as low as $161 on Cheapest nonstop routes (e.g. LAS to YOW on Wed, Aug 12), while WestJet offers Cheapest nonstop round-trips from $331 departing on Thu, Aug 6 and returning on Thu, Aug 13.

• Which airlines offer direct flights from Las Vegas to Ottawa?

  At the moment, you can catch a nonstop flight from Las Vegas to Ottawa with the following airlines, including: WestJet Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• When is the best time to book flights from Las Vegas to Ottawa?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Las Vegas to Ottawa is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from Las Vegas to Ottawa?

  To find best deals on flights from Las Vegas to Ottawa, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Aug 12, with one-way flights priced at just $161.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is WestJet.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Ottawa travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Las Vegas (LAS) to Ottawa (YOW) the cheapest?

  The cheapest months to fly from Las Vegas to Ottawa is October, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Las Vegas to Ottawa on?

  After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Las Vegas to Ottawa on July 23, 2026 with Porter Airlines, with prices starting at $477.

• Which airports can I fly to for Ottawa from Las Vegas?

  You can land at any one of the following hubs in Ottawa, with Harry Reid International Airport to Ottawa International Airport (LAS-YOW) is by far the most common option on this route: Ottawa International Airport (YOW) Gatineau-Ottawa Executive Airport (YND).

• Is there any time difference between Las Vegas and Ottawa?

  The time difference between Ottawa and Las Vegas is 3h.

• How do I change or cancel my ticket from Las Vegas to Ottawa?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.