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Cheap Flights from Ottawa to Las Vegas

Compare Ottawa 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 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 R 3,708. Find the lowest prices on one-way and return tickets right here.
Las Vegas.R 1,874 per passenger.Departing Fri, 19 Jun.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Fri, 19 Jun, arriving in Harry Reid International.Price includes taxes and charges.From R 1,874, select.
Las Vegas.R 1,876 per passenger.Departing Fri, 29 May.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Fri, 29 May, arriving in Harry Reid International.Price includes taxes and charges.From R 1,876, select.
Las Vegas.R 2,056 per passenger.Departing Wed, 29 Apr.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Wed, 29 Apr, arriving in Harry Reid International.Price includes taxes and charges.From R 2,056, select.
Las Vegas.R 2,138 per passenger.Departing Wed, 12 Aug.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Ottawa International on Wed, 12 Aug, arriving in Harry Reid International.Price includes taxes and charges.From R 2,138, select.
Las Vegas.R 2,187 per passenger.Departing Tue, 24 Feb.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Tue, 24 Feb, arriving in Harry Reid International.Price includes taxes and charges.From R 2,187, select.
Las Vegas.R 2,233 per passenger.Departing Mon, 23 Mar.One-way flight with United.Outbound indirect flight with United, departs from Ottawa International on Mon, 23 Mar, arriving in Harry Reid International.Price includes taxes and charges.From R 2,233, select.
Las Vegas.R 2,726 per passenger.Departing Thu, 17 Sep.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Ottawa International on Thu, 17 Sep, arriving in Harry Reid International.Price includes taxes and charges.From R 2,726, select.
Las Vegas.R 2,883 per passenger.Departing Fri, 31 Jul.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Ottawa International on Fri, 31 Jul, arriving in Harry Reid International.Price includes taxes and charges.From R 2,883, select.
Las Vegas.R 2,913 per passenger.Departing Sun, 27 Dec.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Ottawa International on Sun, 27 Dec, arriving in Harry Reid International.Price includes taxes and charges.From R 2,913, 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 June.
Feb
from R 2,189
Mar
from R 2,236
Apr
from R 2,059
May
from R 1,878
Jun
from R 1,876
Jul
from R 2,886
Aug
from R 2,141
Sep
from R 2,729
Oct
Find prices
Nov
Find prices
Dec
from R 2,917
Jan
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.

North Las Vegas

2km from central Las Vegas
Closest
Search flights

Harry Reid International

4km from central Las Vegas
Cheapest
from R 1,876
Search flights

Henderson Executive

17km 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 foundR 1,874
Cheapest month to flyJune

Finding cheap flights from Ottawa 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 to Las Vegas is R 3,079. 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 R 3,079.
As of February 2026, there are no flights flying from Ottawa to Las Vegas.
The cheapest month to fly from Ottawa to Las Vegas is usually April.
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 R 3,079.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Ottawa to Las Vegas on Tuesday, 28 April 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 February, the average temperature is usually around 8°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 WestJet .

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

  • Planning your holiday starts with figuring out where you'll leave from in Ottawa. Ottawa/Macdonald-Cartier International Airport (YOW) is the city's main base, so explore your options for reserving a flight from Ottawa to Las Vegas taking off from here.

  • Touch down at Harry Reid Airport (formerly McCarran Airport) (LAS), the major arrival point in Las Vegas.

  • The average time for a direct Ottawa to Las Vegas flight is 5 hours 20 minutes.

  • To ensure you board your Ottawa to Las Vegas flight, leave plenty of time to check in and drop off your luggage. Turning up two hours ahead of international departures and one hour before domestic flights is the general travel rule.

  • Travelling during a peak time like school or public holidays? Expect longer queues at security and check-in. To give yourself peace of mind, arrive up to four hours before international flights and two hours before domestic departures.

How to find the cheapest flights from Ottawa to Las Vegas

  • Lock in cheap Ottawa to Las Vegas flights by booking one month ahead. According to our research, that's the ideal time for picking up a bargain.

  • Schedule your trip for April. That's the best month for landing an incredible deal on plane tickets from Ottawa to Las Vegas. If your travel dates are flexible, use the 'Whole month' tool to see the lowest price across every month.

  • Getting a cheap flight from Ottawa to Las Vegas is a piece of cake with Price Alerts. Simply set up one of these automatic alerts and we'll let you know when a better deal is available.

  • Tailor your travel plans using filters. Choose your ideal departure and arrival times, airlines and total journey duration. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' Ottawa to Las Vegas flights.

Flying from Ottawa

Ottawa/Macdonald-Cartier International Airport (YOW)

  • Set out from Ottawa/Macdonald-Cartier International Airport (YOW) on a nonstop flight from Ottawa to Las Vegas. From YOW, you can fly directly into Harry Reid Airport (formerly McCarran Airport) (LAS).

  • Porter Airlines is a popular carrier that offers direct Ottawa to Las Vegas plane tickets from YOW.

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

  • Want a relaxed start to your journey? Stay near Ottawa/Macdonald-Cartier International Airport. Whether you have an early flight from Ottawa to Las Vegas or just don't like being rushed, these hotels are perfect:

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

  • You'll find YOW at 50 Airport Road.

Arriving in Las Vegas

Harry Reid Airport (formerly McCarran Airport) (LAS)

  • Harry Reid Airport (formerly McCarran Airport) (LAS) to central Las Vegas takes around 15 minutes by car. The centre is roughly 3 kilometres away.

  • It typically takes 1 hour to get there on public transport.

  • The last thing you need is a lengthy journey to your hotel if you're arriving on a late flight from Ottawa to Las Vegas. Book one of these accommodation options near LAS instead:

  • Explore without limits with a Harry Reid Airport (formerly McCarran Airport) rental car. Pick up your wheels from Dollar, Thrifty or Alamo and discover more of Las Vegas and beyond.

  • Booking your vehicle from Harry Reid Airport (formerly McCarran Airport) about one week in advance increases your chances of getting a good deal.

  • LAS is situated at 5757 Wayne Newton Boulevard.

Best time to go to Las Vegas

  • It's time to pick your trip dates for your flight from Ottawa to Las Vegas. October is the most popular month to visit Las Vegas. If you like a more relaxed vibe, go in May.

  • When booking your Ottawa to Las Vegas tickets, consider the weather you're most comfortable in. July is the warmest month in Las Vegas, with temperatures ranging from 23ºC (73ºF) to 42ºC (108ºF).

  • January has average temperatures of between -1ºC (30ºF) and 13ºC (55ºF). Look for cheap flights from Ottawa to Las Vegas around that time if you like cooler conditions.

More about Las Vegas

Explore more of United States

  • Las Vegas has plenty going for it, but there are so many other corners of United States just waiting to be explored. About 370 kilometres south-west of Las Vegas, a trip to Los Angeles will keep you on the move. Check out popular attractions like Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • Around 418 kilometres south-east of Las Vegas, Phoenix is another favourite stop in United States. Experience this destination's highlights firsthand at Desert Botanical Garden, Heard Museum and Papago Park.

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 45 days.