$162 Cheap Flights from Ottawa (YOW) to Las Vegas (LAS)

View $162 flight on Mon, Oct 20, 2025Opens 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 to Las Vegas (YOW-LAS)

Prices were available within the past 7 days and start at $162 for one-way flights and $275 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sat, Sep 13 - Mon, Sep 22
YOW
Ottawa
LAS
Las Vegas
$275 Roundtrip, found 3 days ago
$275
Roundtrip
found 3 days ago
Select Air Canada flight, departing Sat, Sep 13 from Ottawa to Las Vegas, returning Mon, Sep 22, priced at $275 found 3 days ago
WestJet
Wed, Sep 3 - Fri, Sep 5
YOW
Ottawa
LAS
Las Vegas
$275 Roundtrip, found 1 day ago
$275
Roundtrip
found 1 day ago
Select WestJet flight, departing Wed, Sep 3 from Ottawa to Las Vegas, returning Fri, Sep 5, priced at $275 found 1 day ago
WestJet
Mon, Aug 25 - Wed, Sep 3
YOW
Ottawa
LAS
Las Vegas
$277 Roundtrip, found 3 days ago
$277
Roundtrip
found 3 days ago
Select WestJet flight, departing Mon, Aug 25 from Ottawa to Las Vegas, returning Wed, Sep 3, priced at $277 found 3 days ago
WestJet
Tue, Aug 26 - Fri, Sep 5
YOW
Ottawa
LAS
Las Vegas
$279 Roundtrip, found 1 day ago
$279
Roundtrip
found 1 day ago
Select WestJet flight, departing Tue, Aug 26 from Ottawa to Las Vegas, returning Fri, Sep 5, priced at $279 found 1 day ago
Air Canada
Mon, Sep 15 - Sat, Sep 27
YOW
Ottawa
LAS
Las Vegas
$280 Roundtrip, found 1 day ago
$280
Roundtrip
found 1 day ago
Select Air Canada flight, departing Mon, Sep 15 from Ottawa to Las Vegas, returning Sat, Sep 27, priced at $280 found 1 day ago
WestJet
Mon, Oct 20 - Sat, Nov 1
YOW
Ottawa
LAS
Las Vegas
$280 Roundtrip, found 2 days ago
$280
Roundtrip
found 2 days ago
Select WestJet flight, departing Mon, Oct 20 from Ottawa to Las Vegas, returning Sat, Nov 1, priced at $280 found 2 days ago
WestJet
Wed, Oct 22 - Sun, Oct 26
YOW
Ottawa
LAS
Las Vegas
$282 Roundtrip, found 4 days ago
$282
Roundtrip
found 4 days ago
Select WestJet flight, departing Wed, Oct 22 from Ottawa to Las Vegas, returning Sun, Oct 26, priced at $282 found 4 days ago
United
Sat, Sep 13 - Mon, Sep 22
YOW
Ottawa
LAS
Las Vegas
$285 Roundtrip, found 3 days ago
$285
Roundtrip
found 3 days ago
Select United flight, departing Sat, Sep 13 from Ottawa to Las Vegas, returning Mon, Sep 22, priced at $285 found 3 days ago
Porter Airlines
Mon, Oct 20 - Sat, Nov 1
YOW
Ottawa
LAS
Las Vegas
$288 Roundtrip, found 2 days ago
$288
Roundtrip
found 2 days ago
Select Porter Airlines flight, departing Mon, Oct 20 from Ottawa to Las Vegas, returning Sat, Nov 1, priced at $288 found 2 days ago
Delta
Fri, Jul 18 - Wed, Aug 6
YOW
Ottawa
LAS
Las Vegas
$575 Roundtrip, found 19 hours ago
$575
Roundtrip
found 19 hours ago
Select Delta flight, departing Fri, Jul 18 from Ottawa to Las Vegas, returning Wed, Aug 6, priced at $575 found 19 hours ago

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

March is typically the cheapest month to fly

From $192 - $351 per traveler.

Graph displaying average flight prices per month

Flights from Ottawa (YOW) to Las Vegas (LAS)
Origin airport
Macdonald-Cartier Intl.
Destination airport
Harry Reid Intl.
Airlines serving
Air Canada, Delta, Porter Airlines, United, WestJet
Roundtrip price
$275
Distance
2140 mi

Ottawa to Las Vegas Flights

The cheapest times to fly from Ottawa to Las Vegas

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Ottawa to Las Vegas are during the month of September. You can find some of the cheapest flights from Ottawa to Las Vegas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ottawa to Las Vegas

Sunday is one of the best days to book for cheap flights from Ottawa to Las Vegas: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Ottawa to Las Vegas

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Ottawa to Las Vegas in 2025. You can also book with separate airlines for your outbound and return journeys, from $162 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Ottawa to Las Vegas flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Ottawa to Las Vegas airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Macdonald-Cartier Intl. Airport (YOW) to Harry Reid Intl. Airport (LAS) cost?
Cheap return flights from Macdonald-Cartier Intl. Airport (YOW) to Harry Reid Intl. Airport (LAS) start at $400. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Porter Airlines flight leaving YOW on July 6 2025 and touching down at LAS. The price was last updated on July 4 2025 and has not changed since.
What is the cheapest month to fly from YOW to LAS?
To pick up a cheap ticket, look for nonstop flights from YOW to LAS taking off in October. You can find a one-way Air Transat flight for $167 leaving on October 24 2025. This price is based on the cheapest direct flight found on Expedia for this route in the next 330 days. The price was last updated on July 4 2025 and remains unchanged.
Which airlines fly direct from Macdonald-Cartier Intl. Airport (YOW) to Harry Reid Intl. Airport (LAS)?
You can travel nonstop from Macdonald-Cartier Intl. Airport (YOW) to Harry Reid Intl. Airport (LAS) on a Porter Airlines flight.
What is the cheapest airline that flies from YOW to LAS?
At the moment, the cheapest carrier operating one-way flights from YOW to LAS is Porter Airlines. You can jet off on this route from $153. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from YOW on August 20 2025. Prices were last updated on July 4 2025 and have not changed since.
How many flights per day from Macdonald-Cartier Intl. Airport (YOW) to Harry Reid Intl. Airport (LAS)?
On average, you can pick from 4 direct flights each week from Macdonald-Cartier Intl. Airport (YOW) to Harry Reid Intl. Airport (LAS). To broaden your travel options, consider flights with layovers. Just enter your dates on Expedia and then set the filters to include one or two stops.
What are the most popular departure times for flights from Macdonald-Cartier Intl. Airport (YOW) to Harry Reid Intl. Airport (LAS)?
Flights between YOW and LAS are their busiest at 6 PM. If you'd like a more relaxed experience and possibly cheaper fares, look for a departure that's outside typical rush times.
What day of the week has the most flights from YOW to LAS?
Travel on a Friday if you're searching for the largest selection of flights from Macdonald-Cartier Intl. Airport (YOW) to Harry Reid Intl. Airport (LAS).
What is the earliest flight from Macdonald-Cartier Intl. Airport (YOW) to Harry Reid Intl. Airport (LAS)?
The first flight of the day taking off from Macdonald-Cartier Intl. Airport (YOW) is at around 6:10PM UTC-5. Board this flight and you'll land at Harry Reid Intl. Airport (LAS) at approximately 8:40PM UTC-8. The total flight duration is 5h 30m.
How long does it take to fly from Macdonald-Cartier Intl. Airport (YOW) to Harry Reid Intl. Airport (LAS)?
Typically, it takes 5 hours and 30 minutes to fly the 2,100 mi from YOW to LAS.
What is the best time to fly from Macdonald-Cartier Intl. Airport (YOW) to Harry Reid Intl. Airport (LAS)?
Choose a flight from Macdonald-Cartier Intl. Airport (YOW) to Harry Reid Intl. Airport (LAS) that takes off before 3 PM to reduce the risk of cancellations. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Las Vegas from Macdonald-Cartier Intl. Airport (YOW)?
If you're on a direct flight from Macdonald-Cartier Intl. Airport (YOW) to Las Vegas, Harry Reid Intl. Airport (LAS) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Macdonald-Cartier Intl. Airport (YOW) to Harry Reid Intl. Airport (LAS) last-minute?
Last-minute bookings from YOW to LAS are generally more expensive. To lock in the lowest rates, start looking for flights well in advance. That said, if you can play around with your travel dates, it's possible to land a cheap fare right before your trip.
Is it cheaper to book a YOW to LAS flight and hotel package?
Booking a YOW to LAS flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick from our extensive range of stays and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Macdonald-Cartier Intl. Airport (YOW) to Harry Reid Intl. Airport (LAS)?
If you reserved your YOW to LAS flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

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