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Cheap Flights from Ottawa (YOWA) to Las Vegas (LASA)

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      Travellers and cabin class, 1 Adult, Economy

      Compare Ottawa to Las Vegas flight deals

      Find the cheapest month or even day of the year to fly to Las Vegas

      Book the best Las Vegas fare with no extra fees

      Flight deals from Ottawa to Las Vegas

      Looking for a cheap last-minute deal or the best return flight from Ottawa to Las Vegas? If you want to travel next month, return fares start from $472. Find the lowest prices on one-way and return tickets right here.
      Las Vegas.$399 per passenger.Departing Mon, 7 Dec, returning Wed, 9 Dec.Return flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Ottawa International on Mon, 7 Dec, arriving in Harry Reid International.Inbound indirect flight with Porter Airlines, departs from Harry Reid International on Wed, 9 Dec, arriving in Ottawa International.Price includes taxes and charges.From $399, select.
      Las Vegas.$472 per passenger.Departing Mon, 21 Sep, returning Mon, 28 Sep.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Mon, 21 Sep, arriving in Harry Reid International.Inbound indirect flight with WestJet, departs from Harry Reid International on Mon, 28 Sep, arriving in Ottawa International.Price includes taxes and charges.From $472, select.
      Las Vegas.$478 per passenger.Departing Sun, 13 Sep, returning Sat, 3 Oct.Return flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Ottawa International on Sun, 13 Sep, arriving in Harry Reid International.Inbound indirect flight with Porter Airlines, departs from Harry Reid International on Sat, 3 Oct, arriving in Ottawa International.Price includes taxes and charges.From $478, select.
      Las Vegas.$478 per passenger.Departing Fri, 27 Nov, returning Wed, 9 Dec.Return flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Ottawa International on Fri, 27 Nov, arriving in Harry Reid International.Inbound indirect flight with Porter Airlines, departs from Harry Reid International on Wed, 9 Dec, arriving in Ottawa International.Price includes taxes and charges.From $478, select.
      Las Vegas.$525 per passenger.Departing Mon, 1 Feb, returning Thu, 4 Feb.Return flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Ottawa International on Mon, 1 Feb, arriving in Harry Reid International.Inbound indirect flight with Porter Airlines, departs from Harry Reid International on Thu, 4 Feb, arriving in Ottawa International.Price includes taxes and charges.From $525, select.
      Las Vegas.$541 per passenger.Departing Fri, 15 Jan, returning Thu, 4 Feb.Return flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Ottawa International on Fri, 15 Jan, arriving in Harry Reid International.Inbound indirect flight with Porter Airlines, departs from Harry Reid International on Thu, 4 Feb, arriving in Ottawa International.Price includes taxes and charges.From $541, select.
      Las Vegas.$557 per passenger.Departing Thu, 5 Nov, returning Fri, 27 Nov.Return flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Ottawa International on Thu, 5 Nov, arriving in Harry Reid International.Inbound indirect flight with Porter Airlines, departs from Harry Reid International on Fri, 27 Nov, arriving in Ottawa International.Price includes taxes and charges.From $557, select.
      Las Vegas.$559 per passenger.Departing Thu, 8 Apr, returning Sun, 11 Apr.Return flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Ottawa International on Thu, 8 Apr, arriving in Harry Reid International.Inbound indirect flight with Porter Airlines, departs from Harry Reid International on Sun, 11 Apr, arriving in Ottawa International.Price includes taxes and charges.From $559, select.
      Las Vegas.$564 per passenger.Departing Fri, 23 Oct, returning Wed, 4 Nov.Return flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Ottawa International on Fri, 23 Oct, arriving in Harry Reid International.Inbound indirect flight with Porter Airlines, departs from Harry Reid International on Wed, 4 Nov, arriving in Ottawa International.Price includes taxes and charges.From $564, select.
      Las Vegas.$593 per passenger.Departing Thu, 7 Jan, returning Sun, 10 Jan.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Thu, 7 Jan, arriving in Harry Reid International.Inbound indirect flight with WestJet, departs from Harry Reid International on Sun, 10 Jan, arriving in Ottawa International.Price includes taxes and charges.From $593, select.
      Las Vegas.$597 per passenger.Departing Thu, 1 Oct, returning Thu, 8 Oct.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Thu, 1 Oct, arriving in Harry Reid International.Inbound indirect flight with WestJet, departs from Harry Reid International on Thu, 8 Oct, arriving in Ottawa International.Price includes taxes and charges.From $597, select.
      Las Vegas.$621 per passenger.Departing Thu, 4 Mar, returning Sun, 7 Mar.Return flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Ottawa International on Thu, 4 Mar, arriving in Harry Reid International.Inbound indirect flight with Porter Airlines, departs from Harry Reid International on Sun, 7 Mar, arriving in Ottawa International.Price includes taxes and charges.From $621, select.
      Las Vegas.$626 per passenger.Departing Tue, 16 Feb, returning Sun, 7 Mar.Return flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Ottawa International on Tue, 16 Feb, arriving in Harry Reid International.Inbound indirect flight with Porter Airlines, departs from Harry Reid International on Sun, 7 Mar, arriving in Ottawa International.Price includes taxes and charges.From $626, select.
      Las Vegas.$642 per passenger.Departing Fri, 28 Aug, returning Sat, 12 Sep.Return flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Ottawa International on Fri, 28 Aug, arriving in Harry Reid International.Inbound indirect flight with Porter Airlines, departs from Harry Reid International on Sat, 12 Sep, arriving in Ottawa International.Price includes taxes and charges.From $642, select.
      Las Vegas.$713 per passenger.Departing Thu, 25 Mar, returning Sun, 11 Apr.Return flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Ottawa International on Thu, 25 Mar, arriving in Harry Reid International.Inbound indirect flight with Porter Airlines, departs from Harry Reid International on Sun, 11 Apr, arriving in Ottawa International.Price includes taxes and charges.From $713, select.
      Las Vegas.$723 per passenger.Departing Mon, 28 Dec, returning Sat, 16 Jan.Return flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Ottawa International on Mon, 28 Dec, arriving in Harry Reid International.Inbound indirect flight with Porter Airlines, departs from Harry Reid International on Sat, 16 Jan, arriving in Ottawa International.Price includes taxes and charges.From $723, select.

      Find the cheapest month to fly from Ottawa to Las Vegas

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ottawa to Las Vegas flights are currently cheapest in December.
      Aug
      from $1,181
      Sep
      from $472
      Oct
      from $597
      Nov
      from $557
      Dec
      from $399
      Jan
      from $593
      Feb
      from $525
      Mar
      from $621
      Apr
      from $559
      May
      from $865
      Jun
      from $867
      Jul
      Find prices

      Alternative Ottawa to Las Vegas routes

      Looking for the cheapest, fastest or easiest route from Ottawa to Las Vegas? You could fly into the following airports instead.

      Harry Reid International

      4km from central Las Vegas
      ClosestCheapest
      from $399
      Search flights

      North Las Vegas

      11km from central Las Vegas
      Search flights

      Henderson Executive

      16km from central Las Vegas
      Search flights

      Boulder City Municipal

      34km from central Las Vegas
      Search flights

      Ottawa to Las Vegas: Flight information

      The things to know before you go.
      Cheapest flight found$399
      Cheapest month to flyDecember

      Finding cheap flights from Ottawa to Las Vegas: Frequently asked questions

      There are 4 airports in Las Vegas: Harry Reid International, North Las Vegas, Henderson Executive, and Boulder City Municipal.
      The best price we found for a return flight from Ottawa to Las Vegas is $399. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Currently, there are no airlines that fly direct from Ottawa to Las Vegas. But we found flights with one or more stops from $399.
      As of August 2026, there are no flights flying from Ottawa to Las Vegas.
      The cheapest month to fly from Ottawa to Las Vegas is usually December.
      If you're flying from Ottawa, the cheapest airport near Las Vegas is Harry Reid International – which is 4.3 km away from the centre of Las Vegas. We've found flights into this airport from $399.
      After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Ottawa to Las Vegas on Monday, 7 December 2026.
      No airlines currently offer direct flights between Ottawa and Las Vegas. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Las Vegas but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Las Vegas is around 40 days in advance, so don’t leave your flight to the last minute.

      In August, the average temperature is usually around 29°C. July is typically the warmest month in Las Vegas, when it usually averages around 37°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging -0°C. The rainiest month is February.
      The cheapest airline that flies to Las Vegas is Porter Airlines .

      Flying from Ottawa to Las Vegas: what you need to know

      • Ottawa International Airport (YOW) is Ottawa's main airport. Check out your options for booking a flight from Ottawa to Las Vegas leaving from here.

      • Come in for landing at Las Vegas's primary gateway, Harry Reid International Airport (LAS).

      • The timezone in Las Vegas is UTC-8, which is three hours behind Ottawa.

      • To ensure you don't miss your Ottawa to Las Vegas flight, allow plenty of time to navigate the airport and find your gate. Arriving two hours before international departures and an hour before domestic flights is the standard rule.

      • Travelling during a peak month such as July? School holidays and other popular seasons can mean longer queues and delays at security. Play things extra safe and get there up to four hours before an international flight and two hours before a domestic departure.

      How to find the cheapest flights from Ottawa to Las Vegas

      • Booking in advance is often the key to locking in a cheap Ottawa to Las Vegas flight. Flight prices rise as demand increases, so the nearer you get to departure, the more you'll likely pay.

      • If you can be flexible with your travel plans, try using the 'Whole month' tool. It'll show you the cheapest price in each month when searching for your plane ticket from Ottawa to Las Vegas.

      • Save time searching for cheap flights from Ottawa to Las Vegas by creating a Price Alert. You'll receive an email or notification through the app when a new low fare is offered.

      • Save on your Ottawa to Las Vegas flight with the help of our filters. Select your preferred times, number of stops and airlines, then sort the results by 'Cheapest' to see the best deals.

      Flying from Ottawa

      Ottawa International Airport (YOW)

      • Located around 11 kilometres from central Ottawa, YOW can be reached in about 20 minutes by car (depending on traffic). The journey on public transport takes roughly 35 minutes.

      • Have an early flight from Ottawa to Las Vegas? Avoid the hassle of rushing to the terminal (and sneak in some extra snooze time) by choosing one of these hotels near Ottawa International Airport:

      • 65% of flights that depart Ottawa International Airport arrive at their destination on schedule.

      • YOW's address is 50 Airport Road.

      Arriving in Las Vegas

      Harry Reid International Airport (LAS)

      • Harry Reid International Airport (LAS) is approximately 10 kilometres from the centre of Las Vegas. If you're catching a taxi or a ride-share, the drive takes roughly 10 minutes.

      • Getting to the centre by public transport takes roughly 25 minutes.

      • If you have a late flight from Ottawa to Las Vegas, few things beat the convenience of staying near the terminal. Pick up your bags from the carousel and then be showered and resting not long after at one of these accommodation options near LAS:

      • Hit the road running by picking up a Harry Reid International Airport rental car. Grab a set of wheels from Dollar, Thrifty or Alamo and explore beyond Las Vegas's main sights.

      • Lock in the lowest price by reserving your vehicle from Harry Reid International Airport about one week ahead of your trip.

      • LAS is situated at 5757 Wayne Newton Boulevard.

      Boulder City Municipal Airport (BLD)

      • Boulder City Municipal Airport (BLD) is roughly 5 kilometres from central Las Vegas. Explore your options for heading into town after your flight from Ottawa to Las Vegas has landed.

      • After your flight from Ottawa to Las Vegas, tuck yourself in at a hotel near BLD. These are some great options that'll help you get into relaxation mode:

      North Las Vegas Airport (VGT)

      • The centre of Las Vegas is around 6 kilometres from North Las Vegas Airport (VGT). Settle into your hotel (or get a head start on exploring the city's must-see attractions) after your flight from Ottawa to Las Vegas.

      • Ready to roll? Pick up a North Las Vegas Airport rental car from Hertz and begin your trip without stressing about how to reach your next destination.

      • Home providers sometimes offer promotions for early bookings, so reserve your ride from VGT in advance of your flight from Ottawa to Las Vegas. A little planning can save you money.

      Best time to go to Las Vegas

      • April is the busiest month for flights from Ottawa to Las Vegas. To steer clear of the crowds, go to Las Vegas in March.

      • Before locking in your Ottawa to Las Vegas tickets, think about the type of weather you enjoy. July is the warmest month in Las Vegas, with temperatures ranging from 23ºC (73ºF) to 43ºC (109ºF).

      • Look for cheap flights from Ottawa to Las Vegas in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 16ºC (61ºF) on average.

      More about Las Vegas

      Explore more of the United States

      • Los Angeles is just one of the many cities in the United States waiting to be explored after you've experienced Las Vegas. Around 370 kilometres to the southwest, check out popular attractions including Hollywood Sign, Universal Studios Hollywood and Hollywood Bowl.

      • If you're ready to explore another major destination in the United States, head for Phoenix, roughly 418 kilometres southeast of Las Vegas. Camelback Mountain, Yayoi Kusama Fireflies Infinity Mirror Room and Heard Museum are highlights.

      Plan smart, explore more

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      Plan the rest of your trip from Ottawa to Las Vegas

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.