Cheap Flights from Las Vegas to Ottawa

Compare Las Vegas to Ottawa flight deals

Find the cheapest month or even day of the year to fly to Ottawa

Book the best Ottawa fare with no extra fees

Flight deals from Las Vegas to Ottawa

Looking for a cheap last-minute deal or the best return flight from Las Vegas to Ottawa? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Las Vegas to Ottawa

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

Alternative Las Vegas to Ottawa routes

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

Las Vegas to Ottawa: Flight information

The things to know before you go.
Cheapest flight foundR 1,960
Cheapest month to flyOctober

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

There are 2 airports in Ottawa: Ottawa International and Ottawa Gatineau.
The best price we found for a return flight from Las Vegas to Ottawa is R 4,548. 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 Las Vegas to Ottawa. But we found flights with one or more stops from R 4,576.
As of August 2025, there are no flights flying from Las Vegas to Ottawa.
The cheapest month to fly from Las Vegas to Ottawa is usually October.
If you're flying from Las Vegas, the cheapest airport near Ottawa is Ottawa International – which is 11.2 km away from the centre of Ottawa. We've found flights into this airport from R 4,548.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Las Vegas to Ottawa on Wednesday, 15 October 2025.
No airlines currently offer direct flights between Las Vegas and Ottawa. 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 Ottawa 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 Ottawa is around 40 days in advance, so don’t leave your flight to the last minute.
In August, the average temperature is usually around 19°C. July is typically the warmest month in Ottawa, when it usually averages around 25°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -16°C. The rainiest month is June.
The cheapest airline that flies to Ottawa is WestJet .

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

  • Las Vegas's main base, Harry Reid Airport (formerly McCarran Airport) (LAS), is where countless awesome holidays begin. Explore your departure options from here for your flight from Las Vegas to Ottawa.

  • Touch down at Ottawa's primary gateway, Ottawa/Macdonald-Cartier International Airport (YOW).

  • The average duration of a direct Las Vegas to Ottawa flight is 4 hours 30 minutes.

  • Ottawa's timezone is UTC-4, making Ottawa three hours ahead of Las Vegas.

  • Choose from three services each week between Harry Reid Airport (formerly McCarran Airport) (LAS) and {"defaultCase":"Ottawa/Macdonald-Cartier International Airport","accusativeCase":"Ottawa/Macdonald-Cartier International Airport","nominativeCase":"Ottawa/Macdonald-Cartier International Airport","dativeCase":"Ottawa/Macdonald-Cartier International Airport"} (YOW). This is the most popular route when booking flights from Las Vegas to Ottawa.

  • To ensure you board your Las Vegas to Ottawa flight, leave plenty of time for things like baggage drop and finding your gate. Arriving two hours ahead of international departures and an hour before domestic flights is a good rule of thumb.

  • Peak months like October or high seasons such as Thanksgiving and Christmas/New Year will mean bigger lines at check-in and security. If you're travelling then, play it safe and head to the airport even earlier. Arriving two hours before a domestic flight and four hours ahead of an international departure is a wise move.

How to find the cheapest flights from Las Vegas to Ottawa

  • Score cheap Las Vegas to Ottawa flights by booking seven months ahead. Based on our research, that's the ideal time frame for finding the biggest deals.

  • The best month for landing cheap plane tickets from Las Vegas to Ottawa is October. Use the 'Whole month' tool to compare prices, then select the dates offering the lowest fares.

  • There's no need to check every day to see if fares have dropped when you set up a Price Alert. We'll let you know the moment a better deal is available on cheap flights from Las Vegas to Ottawa.

  • Pick your preferred arrival and departure times, number of stops and airlines with the filters. Or sort your Las Vegas to Ottawa flight results by 'Cheapest,' 'Fastest' or 'Best.'

Flying from Las Vegas

Harry Reid Airport (formerly McCarran Airport) (LAS)

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

  • Look out for promotions with Porter Airlines. This airline offers direct Las Vegas to Ottawa plane tickets out of LAS.

  • We make it simple to book a Las Vegas to Ottawa flight with a stopover. To see your options leaving from Harry Reid Airport (formerly McCarran Airport), deselect 'Direct flights only.' Next, select a flight offering a stop long enough to explore your chosen city. Some popular stopovers include:

    • Pearson International Airport (YYZ)

    • Montreal-Pierre Elliott Trudeau International Airport (YUL)

    • O'Hare International Airport (ORD)

  • Travelling from central Las Vegas to LAS takes around 1 hour by public transport. If you drive, ride-share or take a cab, you'll cover the 10 kilometres in 15 minutes or so, depending on traffic conditions.

  • After a relaxed start to your journey? Stay near Harry Reid Airport (formerly McCarran Airport). Whether you're taking an early flight from Las Vegas to Ottawa or want to avoid feeling rushed, these hotels are just the thing:

  • 82.07% of flights departing from Harry Reid Airport (formerly McCarran Airport) touch down at their destination as planned. With its impressive on-time stats, delays are unlikely when setting off from LAS.

  • LAS is located at 5757 Wayne Newton Boulevard.

Arriving in Ottawa

Ottawa/Macdonald-Cartier International Airport (YOW)

  • Ottawa Gatineau Airport (YND) is approximately 16 kilometres from the centre of Ottawa. If you're catching a cab or a ride-share, the drive takes roughly 20 minutes.

  • If you're travelling on public transport, expect a journey time of roughly 1 hour 40 minutes.

  • If you're arriving on a late flight from Las Vegas to Ottawa, few things beat the convenience of staying close to the terminal. Grab your suitcases from the carousel and then be showered and sleeping soon after at one of these accommodation options near YOW:

  • Pick up an Ottawa Gatineau Airport rental car and discover corners of Ottawa that aren't in every guidebook. Book your wheels with Hertz.

  • To get the best possible deal, reserve your ride from Ottawa Gatineau Airport at least a couple of weeks in advance. Rates typically rise closer to your day of departure.

Ottawa/Macdonald-Cartier International Airport (YOW)

  • Ottawa/Macdonald-Cartier International Airport (YOW) is roughly 11 kilometres from the centre of Ottawa. Following your flight from Las Vegas to Ottawa, it takes approximately 20 minutes to get to the heart of the city in a ride-share or cab.

  • If you're travelling on public transport, it'll take approximately 45 minutes.

  • The fastest way to reach your destination is with an Ottawa/Macdonald-Cartier International Airport rental car. Collect a set of wheels from Routes Car Rentals, Alamo or Budget and be off and running.

  • Get first dibs on the best options. Securing your ride from YOW two weeks in advance often means better deals and a wider choice of vehicles.

  • You can find Ottawa/Macdonald-Cartier International Airport at 50 Airport Road.

Best time to go to Ottawa

  • Before booking your flights from Las Vegas to Las Vegas, consider which time of year works best for you. High season in Las Vegas offers a bustling atmosphere and plenty to do, while the off-season brings cheaper hotel deals and smaller crowds.

  • When booking your Las Vegas to Ottawa tickets, consider the type of weather you enjoy. July is the warmest month in Ottawa, with temperatures ranging from 13ºC (55ºF) to 27ºC (81ºF).

  • If you want cooler conditions, look for a cheap flight from Las Vegas to Ottawa in January when temperatures average between -19ºC (-2ºF) and -2ºC (28ºF).

More about Ottawa

  • Once you've booked your flight from Las Vegas to Ottawa, choose a hotel that puts you where you want to be. Make one of these options your base for exploring Ottawa:

  • All great holidays should include some sightseeing. Parliament Hill, Rideau Canal and National Gallery of Canada are must-visits when exploring Ottawa.

Explore more of Canada

  • Ottawa has its own special appeal, but there are so many other parts of Canada just waiting to be discovered. About 354 kilometres south-west of Ottawa, a visit to Toronto will keep you busy. Check out popular attractions like CN Tower, Royal Ontario Museum and Go Tours Canada - Distillery District.

  • Around 153 kilometres east of Ottawa, Montreal is another essential stop in Canada. No visit is complete without checking out Mount Royal Park, Montreal Botanical Garden and Saint Joseph's Oratory of Mount Royal.

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