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£147 Cheap Flights from Ottawa (YOW) to Las Vegas (LAS)

View £147 flight on Wed, 26 Aug 2026Opens in a new window

Popular airlines from Ottawa International Airport (YOW) to Harry Reid Intl. Airport (LAS)

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Cheap Flights from Ottawa (YOW) to Las Vegas (LAS)

Prices were available within the past 7 days and start at £147 for one-way flights and £269 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Fri, 21 Aug - Mon, 24 Aug
YOW
Ottawa
LAS
Las Vegas
£269 Return, found 1 day ago
£269
Return
found 1 day ago
Select WestJet flight, departing Fri, 21 Aug from Ottawa to Las Vegas, returning Mon, 24 Aug, priced at £269 found 1 day ago
Air Canada
Sat, 5 Sept - Wed, 23 Sept
YOW
Ottawa
LAS
Las Vegas
£293 Return, found 3 days ago
£293
Return
found 3 days ago
Select Air Canada flight, departing Sat, 5 Sept from Ottawa to Las Vegas, returning Wed, 23 Sept, priced at £293 found 3 days ago
United
Tue, 29 Sept - Wed, 30 Sept
YOW
Ottawa
LAS
Las Vegas
£295 Return, found 3 days ago
£295
Return
found 3 days ago
Select United flight, departing Tue, 29 Sept from Ottawa to Las Vegas, returning Wed, 30 Sept, priced at £295 found 3 days ago
WestJet
Mon, 21 Sept - Fri, 25 Sept
YOW
Ottawa
LAS
Las Vegas
£296 Return, found 1 day ago
£296
Return
found 1 day ago
Select WestJet flight, departing Mon, 21 Sept from Ottawa to Las Vegas, returning Fri, 25 Sept, priced at £296 found 1 day ago
WestJet
Wed, 2 Sept - Sat, 5 Sept
YOW
Ottawa
LAS
Las Vegas
£299 Return, found 14 hours ago
£299
Return
found 14 hours ago
Select WestJet flight, departing Wed, 2 Sept from Ottawa to Las Vegas, returning Sat, 5 Sept, priced at £299 found 14 hours ago
WestJet
Fri, 21 Aug - Tue, 25 Aug
YOW
Ottawa
LAS
Las Vegas
£301 Return, found 6 days ago
£301
Return
found 6 days ago
Select WestJet flight, departing Fri, 21 Aug from Ottawa to Las Vegas, returning Tue, 25 Aug, priced at £301 found 6 days ago
WestJet
Sun, 6 Sept - Mon, 21 Sept
YOW
Ottawa
LAS
Las Vegas
£301 Return, found 3 days ago
£301
Return
found 3 days ago
Select WestJet flight, departing Sun, 6 Sept from Ottawa to Las Vegas, returning Mon, 21 Sept, priced at £301 found 3 days ago
WestJet
Mon, 21 Sept - Fri, 25 Sept
YOW
Ottawa
LAS
Las Vegas
£302 Return, found 1 day ago
£302
Return
found 1 day ago
Select WestJet flight, departing Mon, 21 Sept from Ottawa to Las Vegas, returning Fri, 25 Sept, priced at £302 found 1 day ago
Porter Airlines
Thu, 20 Aug - Wed, 2 Sept
YOW
Ottawa
LAS
Las Vegas
£342 Return, found 3 days ago
£342
Return
found 3 days ago
Select Porter Airlines flight, departing Thu, 20 Aug from Ottawa to Las Vegas, returning Wed, 2 Sept, priced at £342 found 3 days ago
American Airlines
Sun, 27 Sept - Thu, 1 Oct
YOW
Ottawa
LAS
Las Vegas
£503 Return, found 3 days ago
£503
Return
found 3 days ago
Select American Airlines flight, departing Sun, 27 Sept from Ottawa to Las Vegas, returning Thu, 1 Oct, priced at £503 found 3 days ago

Alternative airports near Las Vegas

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to McCarran Intl. LAS. Cheapest and Closest option available. Average driving time to city centre is 6 minutes. Flights from £465
LAS
McCarran Intl.
CheapestClosest
Average driving time to city centre6 min
Flights from £465

Find the cheapest month to fly from Ottawa (YOW) to Las Vegas (LAS)

June is typically the cheapest month to fly

From £160 - £319 per traveller.

Frequently asked questions

How much does a flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) cost?
You can find one-way and return flights from YOW to LAS with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when YOW to LAS ticket fares go up or down.
What is the cheapest month to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
September is typically the cheapest month to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.), with average return fares around £268. September often sees lower prices as the summer travel rush ends and before the holiday season begins, leading to reduced demand. Other cheap months to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) include May and June.
Which airlines fly direct from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
Enter YOW to LAS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
Air North is one of the cheapest airlines offering connecting return flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.), with tickets starting from around £504 for flights that can be booked for departure within the next year. These prices are per adult, for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Ottawa, ON (YOW) to Las Vegas, NV (LAS)?
To find a cheap flight from Ottawa, ON (YOW) to Las Vegas, NV (LAS), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The best time to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) is typically September or May. These months offer a great balance—prices are reasonable at around £268 for a return flight, and you'll have plenty of flight options since they're popular times to travel. September offers pleasant weather in Las Vegas as the summer heat begins to subside, while May provides comfortable spring temperatures before the peak summer season. If you're flexible, these months give you both affordable fares and excellent flight schedules to work with.
What is the earliest flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The earliest flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) typically departs around 5:00 AM. This service is operated by Air Canada. This is a seasonal service, active in May, June, July, August, September, and October. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
There are no nonstop flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.). For flights with one stop, you can expect the journey to take around 7 hours 48 minutes. If you opt for flights with two or more stops, the travel time typically increases to about 15 hours. The distance covered on this route is approximately 3444 kilometres. Keep in mind that actual flight times can vary due to factors like layover duration, routing, and wind patterns.
Can you fly business or first class from Ottawa, ON (YOW) to Las Vegas, NV (LAS)?
Select the "Business class" and "First class" filters when looking for Ottawa, ON (YOW) to Las Vegas, NV (LAS) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) flight with Expedia?
It's easy to earn miles on a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Las Vegas, NV (LAS) from Ottawa, ON (YOW)?
If you're planning to travel to Las Vegas from Macdonald-Cartier Intl. (YOW), you can fly directly into Harry Reid International Airport (LAS). Some flights may connect through major hubs like Pearson Intl. (YYZ), O'Hare Intl. (ORD), or Pierre Elliott Trudeau Intl. (YUL) before reaching Las Vegas. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) at the last minute?
Typically, booking a last minute flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) flight and hotel package?
Securing a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ottawa, ON (YOW) to Las Vegas, NV (LAS)?
If you booked your Ottawa, ON (YOW) to Las Vegas, NV (LAS) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Macdonald-Cartier Intl.
Destination airport
Harry Reid Intl.
Airlines serving
Air Canada, Porter Airlines, WestJet
Return price
£268
Distance
3424 km

Book with confidence

Compare flights from Ottawa to Las Vegas easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Ottawa to Las Vegas. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Harry Reid Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Macdonald-Cartier Intl. to Harry Reid Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Macdonald-Cartier Intl. (YOW) to Harry Reid Intl. (LAS)

The easiest way to view the best deals on flights from Ottawa to Las Vegas today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Macdonald-Cartier Intl. to Harry Reid Intl. start at just £269 and range up to £503.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Ottawa and Las Vegas
  • booking your flight during August, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Ottawa to Las Vegas flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Macdonald-Cartier Intl. to Harry Reid Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Ottawa to Las Vegas easily and book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.