Cheap Flights from Ottawa to Las Vegas

Travellers and cabin class

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? Find the lowest prices on one-way and return tickets right here.

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 April.

Direct flights from Ottawa to Las Vegas

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.

Ottawa to Las Vegas: Flight information

The things to know before you go.
Cheapest flight foundR 2,186
Cheapest month to flyApril
Average flight time5 hrs, 23 mins
Most popular airlinePorter Airlines (Canada) Ltd
Average flights per week6

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

There are 4 airports in Las Vegas: Las Vegas North Air Terminal, Las Vegas Harry Reid International, Las Vegas Henderson Sky Harbor, and Boulder City.
The best price we found for a return flight from Ottawa to Las Vegas is R 3,769. 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.
5 hours and 23 minutes is the average flight time from Ottawa to Las Vegas.
Porter Airlines (Canada) Ltd and Air Transat fly direct from Ottawa to Las Vegas.
As of April 2025, there are 6 flights per week flying from Ottawa to Las Vegas.
The cheapest month to fly from Ottawa to Las Vegas is usually April 2025.
If you're flying from Ottawa, the cheapest airport near Las Vegas is Las Vegas Harry Reid International – which is 4.3 km away from the centre of Las Vegas. We've found flights into this airport from R 3,769.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Ottawa to Las Vegas on Sunday, 13 April 2025.
Yes – the average flight time is 5 hours and 23 minutes.
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 April, the average temperature is usually around 15°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 (Canada) Ltd .

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

  • Ottawa/Macdonald-Cartier International Airport (YOW) is Ottawa's main airport. Explore your options for reserving a flight from Ottawa to Las Vegas jetting off from here.

  • Disembark at Harry Reid Airport (formerly McCarran Airport) (LAS), the chief entry point to Las Vegas.

  • Give yourself enough time to make your flight from Ottawa to Las Vegas. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Heading off during a peak time like public or school holidays? Expect longer lines at security and check-in. Give yourself extra leeway and arrive up to four hours before international flights and two hours before domestic departures.

  • If you have a passport from Canada and want to travel to United States for tourism purposes, you won't need a visa. However, visa and entry requirements may differ based on your length of stay and can be subject to change. For the latest rules, check with your destination's nearest embassy or consulate before booking a cheap flight from Ottawa to Las Vegas.

Flying from Ottawa

Ottawa/Macdonald-Cartier International Airport (YOW)

  • Located around 13 kilometres from central Ottawa, YOW can be reached in about 19 minutes by car, depending on traffic. The journey on public transport will take roughly 43 minutes.

  • After an easy start to your journey? Stay near Ottawa/Macdonald-Cartier International Airport. Whether you're catching an early flight from Ottawa to Las Vegas or want to avoid feeling rushed, these hotels are ideal:

Arriving in Las Vegas

Harry Reid Airport (formerly McCarran Airport) Airport (LAS)

  • Harry Reid Airport (formerly McCarran Airport) Airport (LAS) to central Las Vegas takes around 15 minutes by car. It's approximately 19 kilometres away.

  • If you're travelling on public transport, expect a journey time of about 1 hour.

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

How to find the cheapest flights from Ottawa to Las Vegas

  • The cheapest price we've seen for a one-way ticket from Ottawa to Las Vegas is R 2,186. For a return flight on this route, the best price is R 3,769. Depending on how early you book and the availability, these fares may change.

  • Don't leave things to the last minute. You're more likely to find cheap tickets from Ottawa to Las Vegas if you book ahead. Airlines often have some excellent early bird deals.

  • If you're willing to be flexible with your trip dates, use the 'Whole month' tool. It'll find the cheapest price across every month when looking for a ticket from Ottawa to Las Vegas.

  • Locking in a cheap ticket from Ottawa to Las Vegas is easy with Price Alerts. Simply set up one of these automatic alerts and we'll notify you when there's a better deal.

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

Best time to go to Las Vegas

  • May is the quietest month for flights from Ottawa to Las Vegas, while October is the busiest. Figure out the ideal time to go to Las Vegas based on whether you prefer a laid-back vibe or a lively atmosphere.

  • Before booking a flight from Ottawa to Las Vegas, think about the type of weather you like best. July is the warmest month in Las Vegas, with temperatures ranging from 23ºC to 42ºC.

  • If you'd rather travel in cooler conditions, look for a cheap ticket from Ottawa to Las Vegas in January when temperatures average between -1ºC and 13ºC.

More about Las Vegas

  • When it comes to looking for somewhere to lay your head, you'll find the best stays in Las Vegas right here. Explore these options after you've booked your flight from Ottawa to Las Vegas:

  • Las Vegas Strip and Fountains of Bellagio are just a couple of the top attractions to add to your Las Vegas itinerary. Keep the sightseeing going at Fremont Street Experience.

Complete your Las Vegas trip with a car rental

  • Finding you a cheap flight from Ottawa to Las Vegas isn't the only trick up our sleeve. Check out our car rentals in Las Vegas and explore the city on your own terms. We search for deals from trusted car rental providers and put them all in one place. Instantly compare offers and then book with no fees.

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