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

Book the best Las Vegas fare with no extra fees

Flight deals from Ottawa International to Las Vegas

Looking for a cheap last-minute deal or the best round-trip flight from Ottawa International Airport to Las Vegas? If you want to travel next month, round-trip fares start from $344. Find the lowest prices on one-way and round-trip tickets right here.

Las Vegas.$307 per passenger.Departing Mon, Nov 9, returning Tue, Nov 17.Round-trip flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departing from Ottawa International on Mon, Nov 9, arriving in Harry Reid.Inbound indirect flight with Porter Airlines, departing from Harry Reid on Tue, Nov 17, arriving in Ottawa International.Price includes taxes and charges.From $307, select.

Las Vegas.$318 per passenger.Departing Sun, Dec 6, returning Thu, Dec 10.Round-trip flight with WestJet.Outbound indirect flight with WestJet, departing from Ottawa International on Sun, Dec 6, arriving in Harry Reid.Inbound indirect flight with WestJet, departing from Harry Reid on Thu, Dec 10, arriving in Ottawa International.Price includes taxes and charges.From $318, select.

Las Vegas.$331 per passenger.Departing Tue, Aug 18, returning Mon, Aug 24.Round-trip flight with United.Outbound indirect flight with United, departing from Ottawa International on Tue, Aug 18, arriving in Harry Reid.Inbound indirect flight with United, departing from Harry Reid on Mon, Aug 24, arriving in Ottawa International.Price includes taxes and charges.From $331, select.

Las Vegas.$339 per passenger.Departing Sun, Jul 19, returning Fri, Jul 24.Round-trip flight with WestJet.Outbound indirect flight with WestJet, departing from Ottawa International on Sun, Jul 19, arriving in Harry Reid.Inbound indirect flight with WestJet, departing from Harry Reid on Fri, Jul 24, arriving in Ottawa International.Price includes taxes and charges.From $339, select.

Las Vegas.$342 per passenger.Departing Thu, Nov 26, returning Sat, Dec 12.Round-trip flight with United.Outbound indirect flight with United, departing from Ottawa International on Thu, Nov 26, arriving in Harry Reid.Inbound indirect flight with United, departing from Harry Reid on Sat, Dec 12, arriving in Ottawa International.Price includes taxes and charges.From $342, select.

Las Vegas.$342 per passenger.Departing Thu, Oct 22, returning Mon, Oct 26.Round-trip flight with WestJet.Outbound indirect flight with WestJet, departing from Ottawa International on Thu, Oct 22, arriving in Harry Reid.Inbound indirect flight with WestJet, departing from Harry Reid on Mon, Oct 26, arriving in Ottawa International.Price includes taxes and charges.From $342, select.

Las Vegas.$343 per passenger.Departing Sat, Sep 19, returning Fri, Sep 25.Round-trip flight with United.Outbound indirect flight with United, departing from Ottawa International on Sat, Sep 19, arriving in Harry Reid.Inbound indirect flight with United, departing from Harry Reid on Fri, Sep 25, arriving in Ottawa International.Price includes taxes and charges.From $343, select.

Las Vegas.$343 per passenger.Departing Sat, Sep 26, returning Sat, Oct 3.Round-trip flight with United.Outbound indirect flight with United, departing from Ottawa International on Sat, Sep 26, arriving in Harry Reid.Inbound indirect flight with United, departing from Harry Reid on Sat, Oct 3, arriving in Ottawa International.Price includes taxes and charges.From $343, select.

Las Vegas.$344 per passenger.Departing Wed, Jun 3, returning Wed, Jun 10.Round-trip flight with United.Outbound indirect flight with United, departing from Ottawa International on Wed, Jun 3, arriving in Harry Reid.Inbound indirect flight with United, departing from Harry Reid on Wed, Jun 10, arriving in Ottawa International.Price includes taxes and charges.From $344, select.

Las Vegas.$357 per passenger.Departing Tue, Jun 30, returning Mon, Jul 6.Round-trip flight with United.Outbound indirect flight with United, departing from Ottawa International on Tue, Jun 30, arriving in Harry Reid.Inbound indirect flight with United, departing from Harry Reid on Mon, Jul 6, arriving in Ottawa International.Price includes taxes and charges.From $357, select.

Las Vegas.$364 per passenger.Departing Sat, Aug 29, returning Thu, Sep 3.Round-trip flight with WestJet.Outbound indirect flight with WestJet, departing from Ottawa International on Sat, Aug 29, arriving in Harry Reid.Inbound indirect flight with WestJet, departing from Harry Reid on Thu, Sep 3, arriving in Ottawa International.Price includes taxes and charges.From $364, select.

Las Vegas.$434 per passenger.Departing Fri, Jul 31, returning Tue, Aug 4.Round-trip flight with WestJet.Outbound indirect flight with WestJet, departing from Ottawa International on Fri, Jul 31, arriving in Harry Reid.Inbound indirect flight with WestJet, departing from Harry Reid on Tue, Aug 4, arriving in Ottawa International.Price includes taxes and charges.From $434, select.

Las Vegas.$445 per passenger.Departing Sun, May 31, returning Thu, Jun 4.Round-trip flight with WestJet.Outbound indirect flight with WestJet, departing from Ottawa International on Sun, May 31, arriving in Harry Reid.Inbound indirect flight with WestJet, departing from Harry Reid on Thu, Jun 4, arriving in Ottawa International.Price includes taxes and charges.From $445, select.

Las Vegas.$492 per passenger.Departing Thu, Jun 25, returning Mon, Aug 3.Round-trip flight with WestJet.Outbound indirect flight with WestJet, departing from Ottawa International on Thu, Jun 25, arriving in Harry Reid.Inbound indirect flight with WestJet, departing from Harry Reid on Mon, Aug 3, arriving in Ottawa International.Price includes taxes and charges.From $492, select.

Las Vegas.$507 per passenger.Departing Mon, Feb 8, returning Wed, Feb 10.Round-trip flight with WestJet.Outbound indirect flight with WestJet, departing from Ottawa International on Mon, Feb 8, arriving in Harry Reid.Inbound indirect flight with WestJet, departing from Harry Reid on Wed, Feb 10, arriving in Ottawa International.Price includes taxes and charges.From $507, select.

Las Vegas.$536 per passenger.Departing Sun, Feb 28, returning Sun, Mar 21.Round-trip flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departing from Ottawa International on Sun, Feb 28, arriving in Harry Reid.Inbound indirect flight with Porter Airlines, departing from Harry Reid on Sun, Mar 21, arriving in Ottawa International.Price includes taxes and charges.From $536, select.

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 November.

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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 found	$307
Cheapest month to fly	November

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

How many airports are there in Las Vegas?

There are 4 airports in Las Vegas: North Las Vegas, Harry Reid, Henderson Executive, and Boulder City Municipal.

How much are round-trip flights from Ottawa International to Las Vegas?

The best price we found for a round-trip flight from Ottawa International to Las Vegas is $307. 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.

Which airlines fly direct from Ottawa International to Las Vegas?

Currently, there are no airlines that fly direct from Ottawa International to Las Vegas. But we found flights with one or more stops from $307.

How many flights are there a week from Ottawa International to Las Vegas?

There are no flights flying from Ottawa International to Las Vegas, as of May 2026.

When is the cheapest time to fly from Ottawa International to Las Vegas?

The cheapest month to fly from Ottawa International to Las Vegas is usually November.

What's the cheapest airport to fly to in Las Vegas?

If you're flying from Ottawa International Airport, the cheapest airport near Las Vegas is Harry Reid – which is 4.3 km away from the center of Las Vegas. We've found flights to this airport from $307.

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

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 Monday, November 9, 2026.

Can I get a direct flight from Ottawa International Airport to Las Vegas?

No airlines currently offer direct flights between Ottawa International Airport and Las Vegas. Most routes have one or more stops.

How can I get the best flight deal from Ottawa International Airport to Las Vegas?

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.

When is the best time to book flights to Las Vegas?

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.

What’s the weather like in Las Vegas?

In May, the average temperature is usually around 21°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.

Which is the cheapest airline to fly with from Ottawa International Airport to Las Vegas?

Currently, Porter Airlines 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 traveling for 4 hours 30 minutes. That's the average journey time for 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.
Ottawa/Macdonald-Cartier International Airport (YOW) to Harry Reid Airport (formerly McCarran Airport) (LAS) is the most popular route, with three weekly flights to pick from. If you have things to do before leaving, the last flight from YOW to LAS is with Porter Airlines at 18:10. Opt for the first departure operated by Porter Airlines at 08:55 if you want to fly out earlier.
For a stress-free journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. That way, you won't have to rush to board your YOW to Las Vegas flight.
Be prepared for longer lines in popular months such as August. Arriving up to four hours in advance for international flights and two hours for domestic departures is a wise move.
Direct Ottawa/Macdonald-Cartier International Airport to Las Vegas tickets are available for booking. Harry Reid Airport (formerly McCarran Airport) (LAS) is where you'll complete your journey.
Look out for promotions from Porter Airlines. This airline has direct flights from Ottawa/Macdonald-Cartier International Airport to Las Vegas.
YOW is around 11 kilometers from central Ottawa. If you're driving, ride-sharing or catching a cab from the center, it'll take 20 minutes or so to get there, depending on the traffic. If you're taking public transport, expect the trip time to be around 45 minutes.
Want an easy start to your trip? Stay near YOW. Whether you've booked an early flight from Ottawa/Macdonald-Cartier International Airport to Las Vegas or want to avoid feeling rushed, these hotels are all about convenience:
When it comes to Ottawa/Macdonald-Cartier International Airport's on-time performance, 58.21% of flights arrive within the scheduled time frame.
YOW is located at 50 Airport Road.

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

$186 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 $307. 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)

Harry Reid Airport (formerly McCarran Airport) (LAS) is around 19 kilometers from the center of Las Vegas. If you're grabbing a cab or a ride-share, the drive will take roughly 15 minutes.
Traveling by public transport typically takes 1 hour.
If you're coming in on a late flight from Ottawa/Macdonald-Cartier International Airport to Las Vegas, nothing beats the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and relaxing not long after at one of these accommodation options near LAS:
Begin your adventure by picking up a Harry Reid Airport (formerly McCarran Airport) rental car. Grab a set of wheels from Dollar, Thrifty or Alamo and experience the lesser-explored corners of 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 lock in the lowest rate.
LAS is located at 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 traveling 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

Start your Las Vegas trip off on the right foot by choosing the perfect place to stay. After booking your flight from Ottawa/Macdonald-Cartier International Airport to Las Vegas, explore our selection of accommodation options including:
Every great vacation has to include some sightseeing. Fountains of Bellagio, Las Vegas Strip and Fremont Street Experience are must-do's during your Las Vegas adventure.

Explore more of United States

You've visited Las Vegas, now it's time to explore other corners of United States. Travel around 370 kilometers 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 favorite destination in United States and is around 418 kilometers south-east of Las Vegas. No trip is complete without experiencing Desert Botanical Garden, Heard Museum and Papago Park.