Cheap Flights from Ottawa International to Las Vegas

Compare Ottawa International to Las Vegas flight deals

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

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Flight deals from Ottawa International Airport to Las Vegas

Looking for a cheap last-minute deal or the best return flight from Ottawa International Airport to Las Vegas? If you want to travel next month, return fares start from R 3,591. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Ottawa International to Las Vegas

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ottawa International to Las Vegas flights are currently cheapest in April.

Alternative Ottawa International to Las Vegas routes

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

Ottawa to Las Vegas: Flight information

The things to know before you go.
Cheapest flight foundR 2,172
Cheapest month to flyApril

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

There are 4 airports in Las Vegas: North Las Vegas, Harry Reid International, Henderson Executive, and Boulder City Municipal.
The best price we found for a return flight from Ottawa International to Las Vegas is R 3,445. 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 International to Las Vegas. But we found flights with one or more stops from R 3,445.
As of March 2026, there are no flights flying from Ottawa International to Las Vegas.
The cheapest month to fly from Ottawa International to Las Vegas is usually April.
If you're flying from Ottawa International Airport, 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 R 3,445.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ottawa International Airport to Las Vegas on Sunday, 26 April 2026.
No airlines currently offer direct flights between Ottawa International Airport 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 March, the average temperature is usually around 11°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.
Currently, WestJet offers the cheapest flight tickets to Las Vegas.

Flying from Ottawa/Macdonald-Cartier International Airport (YOW) to Las Vegas: what you need to know

  • Expect to be in the air for 4 hours 30 minutes. On average, that's the duration of a direct flight from Ottawa/Macdonald-Cartier International Airport to Las Vegas.

  • Las Vegas is three hours behind Ottawa, where Ottawa/Macdonald-Cartier International Airport is located. Las Vegas runs on the UTC-7 timezone.

  • The busiest route is from Ottawa/Macdonald-Cartier International Airport (YOW) to Harry Reid Airport (formerly McCarran Airport) (LAS). Choose from three services every week between these two airports. If you want to head off as soon as possible, the earliest flight from YOW to LAS is the 08:55 Porter Airlines option. If you'd rather travel later, the final departure is at 18:10 with Porter Airlines.

  • For stress-free travel, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to board your YOW to Las Vegas flight.

  • If you're heading away during a bank holiday or another peak period, allow for even more time. A good rule is two hours before domestic flights and up to four hours before international departures. Queues at check-in and security will be longer.

  • You can book a direct Ottawa/Macdonald-Cartier International Airport to Las Vegas ticket. Begin your trip at YOW and end it at Harry Reid Airport (formerly McCarran Airport) (LAS).

  • Look out for deals with Porter Airlines. This carrier has direct flights from Ottawa/Macdonald-Cartier International Airport to Las Vegas.

  • Travelling from central Ottawa to YOW takes around 45 minutes by public transport. If you drive, ride-share or get a cab, you'll cover the 11 kilometres in 20 minutes or so, depending on traffic conditions.

  • Booked an early flight from Ottawa/Macdonald-Cartier International Airport to Las Vegas? Avoid rushing to the airport (and catch some extra z's) by choosing one of these stays near YOW:

  • 58.21% of flights taking off from Ottawa/Macdonald-Cartier International Airport reach their destination on schedule.

  • YOW is located at 50 Airport Road.

How to find the cheapest flights from Ottawa/Macdonald-Cartier International Airport (YOW) to Las Vegas

  • R 2,172 is the cheapest price we've seen for a one-way Ottawa/Macdonald-Cartier International Airport to Las Vegas flight. A round-trip ticket right now is R 3,445. Depending on how early you book and the availability, these fares may change.

  • Don't leave everything to the last minute. You're more likely to land cheap flights from YOW to Las Vegas if you book early. Airlines often have some great early bird deals.

  • If you're flexible with your trip dates, use the 'Whole month' search tool. It'll show you the cheapest price across each month when looking for an Ottawa/Macdonald-Cartier International Airport to Las Vegas ticket.

  • Snapping up a cheap flight from YOW to Las Vegas couldn't be easier with Price Alerts. Simply set up one of these automatic notifications and we'll let you know when the price has dropped.

  • Tailor your trip with filters. Choose your ideal arrival and departure times, total journey duration and airlines. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best' flights from Ottawa/Macdonald-Cartier International Airport to Las Vegas.

Airports in Las Vegas

Harry Reid Airport (formerly McCarran Airport) (LAS)

  • The distance from Harry Reid Airport (formerly McCarran Airport) (LAS) to central Las Vegas is roughly 19 kilometres. It takes about 15 minutes to reach the centre driving.

  • It'll take around 1 hour if you're travelling on public transport.

  • Book a hotel close to LAS if you have a late flight from Ottawa/Macdonald-Cartier International Airport to Las Vegas. Settle into one of these accommodation options and make your first night all about rest:

  • Go where the road takes you with a Harry Reid Airport (formerly McCarran Airport) rental car. Pick up your wheels from Dollar, Thrifty or Alamo and find adventure across Las Vegas and beyond.

  • Booking your vehicle from Harry Reid Airport (formerly McCarran Airport) around one week ahead of your flight from YOW to Las Vegas can help you get the lowest rate.

  • The address for LAS is 5757 Wayne Newton Boulevard.

Best time to go to Las Vegas

  • Carefully consider your dates before locking in your flight from Ottawa/Macdonald-Cartier International Airport to Las Vegas. The city comes alive during peak season, but prices are generally higher and major attractions can get busy. Plan your trip to Las Vegas in the low season if you like a quieter vibe.

  • Book an Ottawa/Macdonald-Cartier International Airport to Las Vegas flight ticket with a departure in July if you want to experience the city during its warmest month. You can expect temperatures to range from 23ºC (73ºF) to 42ºC (108ºF).

  • If you like travelling in cooler conditions, search for a cheap ticket from YOW to Las Vegas in January when temperatures average between -1ºC (30ºF) and 13ºC (55ºF).

More about Las Vegas

  • When it comes to searching for somewhere to rest your head, you'll find the best places to stay in Las Vegas right here. Explore these options once you've locked in your flight from Ottawa/Macdonald-Cartier International Airport to Las Vegas:

  • There are so many things to see and do in this city it can be hard to know where to start. Fountains of Bellagio, Las Vegas Strip and Fremont Street Experience are major attractions which should feature on any well-planned Las Vegas itinerary.

Explore more of United States

  • You've visited Las Vegas, now it's time to explore other corners of United States. Travel around 370 kilometres south-west to Los Angeles to check off its must-visit sights. From Griffith Observatory to The Broad and La Brea Tar Pits & Museum, you've got a jam-packed schedule ahead.

  • Phoenix is another favourite destination in United States and is around 418 kilometres south-east of Las Vegas. No trip is complete without experiencing Desert Botanical Garden, Heard Museum and Papago Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.