$126 Cheap Flights from Las Vegas (LAS) to Ottawa (YOW)

View $126 flight on Thu, Oct 23, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $126 for one-way flights and $255 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, Aug 20 - Thu, Aug 21
LAS
Las Vegas
YOW
Ottawa
$255 Roundtrip, found 13 hours ago
$255
Roundtrip
found 13 hours ago
Select Air Canada flight, departing Wed, Aug 20 from Las Vegas to Ottawa, returning Thu, Aug 21, priced at $255 found 13 hours ago
Air Canada
Fri, Oct 10 - Wed, Oct 15
LAS
Las Vegas
YOW
Ottawa
$305 Roundtrip, found 9 hours ago
$305
Roundtrip
found 9 hours ago
Select Air Canada flight, departing Fri, Oct 10 from Las Vegas to Ottawa, returning Wed, Oct 15, priced at $305 found 9 hours ago
United
Sat, Sep 6 - Tue, Sep 9
LAS
Las Vegas
YOW
Ottawa
$309 Roundtrip, found 2 days ago
$309
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 6 from Las Vegas to Ottawa, returning Tue, Sep 9, priced at $309 found 2 days ago
WestJet
Sun, Sep 7 - Wed, Sep 10
LAS
Las Vegas
YOW
Ottawa
$310 Roundtrip, found 2 days ago
$310
Roundtrip
found 2 days ago
Select WestJet flight, departing Sun, Sep 7 from Las Vegas to Ottawa, returning Wed, Sep 10, priced at $310 found 2 days ago
Air Canada
Fri, Oct 10 - Wed, Oct 15
LAS
Las Vegas
YOW
Ottawa
$312 Roundtrip, found 9 hours ago
$312
Roundtrip
found 9 hours ago
Select Air Canada flight, departing Fri, Oct 10 from Las Vegas to Ottawa, returning Wed, Oct 15, priced at $312 found 9 hours ago
United
Mon, Jul 28 - Tue, Jul 29
LAS
Las Vegas
YOW
Ottawa
$313 Roundtrip, found 4 hours ago
$313
Roundtrip
found 4 hours ago
Select United flight, departing Mon, Jul 28 from Las Vegas to Ottawa, returning Tue, Jul 29, priced at $313 found 4 hours ago
United
Sat, Sep 6 - Tue, Sep 9
LAS
Las Vegas
YOW
Ottawa
$315 Roundtrip, found 2 days ago
$315
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 6 from Las Vegas to Ottawa, returning Tue, Sep 9, priced at $315 found 2 days ago
United
Mon, Sep 8 - Tue, Sep 9
LAS
Las Vegas
YOW
Ottawa
$315 Roundtrip, found 2 days ago
$315
Roundtrip
found 2 days ago
Select United flight, departing Mon, Sep 8 from Las Vegas to Ottawa, returning Tue, Sep 9, priced at $315 found 2 days ago
Porter Airlines
Wed, Jul 30 - Wed, Aug 20
LAS
Las Vegas
YOW
Ottawa
$319 Roundtrip, found 3 days ago
$319
Roundtrip
found 3 days ago
Select Porter Airlines flight, departing Wed, Jul 30 from Las Vegas to Ottawa, returning Wed, Aug 20, priced at $319 found 3 days ago
Delta
Wed, Jul 30 - Mon, Aug 4
LAS
Las Vegas
YOW
Ottawa
$440 Roundtrip, found 4 hours ago
$440
Roundtrip
found 4 hours ago
Select Delta flight, departing Wed, Jul 30 from Las Vegas to Ottawa, returning Mon, Aug 4, priced at $440 found 4 hours ago

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

April is typically the cheapest month to fly

From $196 - $419 per traveler.

Graph displaying average flight prices per month

Alternative airports near Ottawa

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

Select flight to Macdonald-Cartier Intl. YOW. Cheapest option available. Average driving time to city center is 15 minutes. Flights from $313
YOW
Macdonald-Cartier Intl.
Cheapest
Average driving time to city center15 min
Flights from $313
Flights from Las Vegas (LAS) to Ottawa (YOW)
Origin airport
Harry Reid Intl.
Destination airport
Macdonald-Cartier Intl.
Airlines serving
Air Canada, Delta, Porter Airlines, United, WestJet
Roundtrip price
$255
Distance
2140 mi

Las Vegas to Ottawa Flights

The cheapest times to fly from Las Vegas to Ottawa

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 Las Vegas to Ottawa are during the month of August. You can find some of the cheapest flights from Las Vegas to Ottawa with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Las Vegas to Ottawa: 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 Las Vegas to Ottawa

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 Las Vegas to Ottawa in 2025. You can also book with separate airlines for your outbound and return journeys, from $126 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 Las Vegas to Ottawa 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 Las Vegas to Ottawa 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 Harry Reid Intl. Airport (LAS) to Macdonald-Cartier Intl. Airport (YOW) cost?
Discover the latest flight deals from LAS to YOW by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from LAS to YOW?
Secure a cheap fare by booking your nonstop flight from LAS to YOW in October. You can find a one-way Air Transat flight for $142 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 10 2025 and remains unchanged.
Which airlines fly direct from Harry Reid Intl. Airport (LAS) to Macdonald-Cartier Intl. Airport (YOW)?
Fly directly from Harry Reid Intl. Airport (LAS) to Macdonald-Cartier Intl. Airport (YOW) on a Porter Airlines flight.
What is the cheapest airline that flies from LAS to YOW?
Journey from LAS to YOW with Porter Airlines. This airline currently offers the cheapest one-way ticket on this route, starting from $161. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from LAS on October 3 2025. Prices were last updated on July 10 2025 and have not changed since.
How many flights per day from Harry Reid Intl. Airport (LAS) to Macdonald-Cartier Intl. Airport (YOW)?
On average, you can take your pick of 4 direct flights flying from Harry Reid Intl. Airport (LAS) to Macdonald-Cartier Intl. Airport (YOW) weekly. If you don't see one that suits your schedule, consider taking a flight that includes a layover. Customize your search results on Expedia to include one or more stops and opt for the next best option.
What are the most popular departure times for flights from Harry Reid Intl. Airport (LAS) to Macdonald-Cartier Intl. Airport (YOW)?
The 9 AM departures from LAS to YOW are the busiest. Prices can be higher for these popular slots. If you want to save on your trip, choose a less crowded time to fly.
What day of the week has the most flights from LAS to YOW?
If you depart on a Monday, you'll get the biggest range of options for flights from Harry Reid Intl. Airport (LAS) to Macdonald-Cartier Intl. Airport (YOW).
What is the earliest flight from Harry Reid Intl. Airport (LAS) to Macdonald-Cartier Intl. Airport (YOW)?
Harry Reid Intl. Airport (LAS)'s first flight to Macdonald-Cartier Intl. Airport (YOW) leaves at approximately 9:10AM UTC-8. With a travel time of 4h 35m, you'll touch down at around 4:45PM UTC-5.
How long does it take to fly from Harry Reid Intl. Airport (LAS) to Macdonald-Cartier Intl. Airport (YOW)?
Flights from LAS to YOW have an average travel time of 4 hours and 35 minutes. The total distance between the two is 2,100 mi.
What is the best time to fly from Harry Reid Intl. Airport (LAS) to Macdonald-Cartier Intl. Airport (YOW)?
Choose a flight from Harry Reid Intl. Airport (LAS) to Macdonald-Cartier Intl. Airport (YOW) that leaves before 3 PM to reduce the likelihood of delays. Departures after this hour 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 Ottawa from Harry Reid Intl. Airport (LAS)?
If you've booked a direct flight from Harry Reid Intl. Airport (LAS) to Ottawa, Macdonald-Cartier Intl. Airport (YOW) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Harry Reid Intl. Airport (LAS) to Macdonald-Cartier Intl. Airport (YOW) last-minute?
Waiting until just before your trip to book a ticket from LAS to YOW generally means paying more. While you may come across some last-minute deals, there's no guarantee. Keep your travel plans flexible to boost your chances of landing a bargain.
Is it cheaper to book a LAS to YOW flight and hotel package?
You'll generally save money by booking a LAS to YOW flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've selected your preferred flights and accommodations, you can add extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Harry Reid Intl. Airport (LAS) to Macdonald-Cartier Intl. Airport (YOW)?
Typically, it's possible to reschedule or cancel your LAS to YOW flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

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