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Cheap flights from Las Vegas to Ottawa from C$ 186

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — YOW
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Las Vegas to Ottawa

Enter your travel dates to find the best prices.

Cheapest flights from Las Vegas to Ottawa
Explore the most affordable flight options available from Las Vegas to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Mon 15/1211:25 p.m.LAS - YOW
1 stop22h 17mWestJet
Wed 17/125:45 p.m.YOW - LAS
1 stop27h 26mWestJet
Deal found 11/12C$ 1,353
Mon 15/1211:05 p.m.LAS - YOW
1 stop16h 20mPorter Airlines
Wed 17/126:45 a.m.YOW - LAS
1 stop7h 57mPorter Airlines
Deal found 11/12C$ 1,622
Mon 15/121:35 p.m.LAS - YOW
2 stops17h 51mUnited Airlines
Wed 17/126:20 a.m.YOW - LAS
2 stops14h 38mUnited Airlines
Deal found 11/12C$ 2,055

Find flight deals from Las Vegas to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to Ottawa (YOW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 December 2025.

Round-trip from

C$ 415

One-way from

C$ 186

Popular in

August

Cheapest in

April

Average price

C$ 428
WestJet
  • WestJet
  • 8/1-15/1
  • 4 total stops
  • 50h 21m total
  • Las Vegas to Ottawa
Search Deals
Air Canada
  • Air Canada
  • 25/1
  • 1 total stop
  • 8h 38m total
  • Las Vegas to Ottawa
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 150 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Las Vegas to Ottawa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 12 December 2025.
Use the filters below to find and compare flights from Las Vegas to Ottawa that are best for you.

Fly from

Las Vegas

Fly to

Ottawa

Route

Depart

Return

Price

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Thu 8/1

11:20 a.m.-12:42 a.m.

2 stops34h 22m

Ottawa

Thu 15/1

5:40 a.m.-6:39 p.m.

2 stops15h 59m

C$ 415

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Sat 18/4

11:30 p.m.-9:21 a.m.

1 stop6h 51m

Ottawa

Tue 21/4

2:50 p.m.-8:35 p.m.

1 stop8h 45m

C$ 432

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Thu 8/1

10:20 p.m.-5:13 p.m.

1 stop15h 53m

Ottawa

Thu 15/1

5:40 a.m.-10:09 p.m.

1 stop19h 29m

C$ 494

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Sat 18/4

7:00 p.m.-10:03 a.m.

2 stops12h 03m

Ottawa

Tue 21/4

2:48 p.m.-10:08 p.m.

1 stop10h 20m

C$ 582

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Sat 18/4

7:05 p.m.-12:39 a.m.

2 stops26h 34m

Ottawa

Tue 21/4

5:40 a.m.-6:13 p.m.

2 stops15h 33m

C$ 619

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Sun 25/1

11:30 p.m.-11:08 a.m.

1 stop8h 38m

C$ 186

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Sun 25/1

7:42 p.m.-1:32 p.m.

2 stops14h 50m

C$ 239

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 24/12

8:00 a.m.-12:42 a.m.

2 stops13h 42m

C$ 244

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Sun 25/1

7:07 a.m.-5:25 p.m.

3 stops31h 18m

C$ 273

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 17/12

7:05 p.m.-7:59 a.m.

2 stops33h 54m

C$ 324

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 12 results
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Best time to book a flight from Las Vegas to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Las Vegas with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Las Vegas to Ottawa

What is the cheapest month to book a flight from Las Vegas to Ottawa?

Currently, January is the cheapest month in which you can book a flight from Las Vegas to Ottawa (average of C$ 128). Flying from Las Vegas to Ottawa in August is currently the most expensive (average of C$ 483). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ottawa. Reviews last updated 12 December 2025.
Get a feel of what it's like to fly with Porter Airlines from Las Vegas to Ottawa by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
397 reviews
Check prices

Entertainment

7.0

Food

7.6

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
397 reviews
Porter Airlines
8.0
Very good
397 reviews
Check prices

Entertainment

7.0

Food

7.6

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Related info for your journey

Find useful and relevant information for your journey from Las Vegas to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Las Vegas to Ottawa flight route?

    This flight path from Las Vegas Harry Reid Intl to Ottawa was viewed by 3 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Las Vegas to Ottawa?

    A quick flight from Las Vegas to Ottawa can take about 6h 51m. WestJet provides one of the quickest options available for as low as C$ 432. The distance from Las Vegas to Ottawa is about 3442 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What is the cheapest airline to fly from Las Vegas to Ottawa round-trip?

    Porter Airlines, at C$ 375, was found to be the cheapest airline from Las Vegas to Ottawa.. Porter Airlines is priced at 24% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Las Vegas to Ottawa one-way?

    The cheapest airline one-way is Porter Airlines, with whom users have recently found tickets for as low as C$ 120. However, be on the lookout for offers from United Airlines and WestJet, as they are both options that can get you from Las Vegas to Ottawa for a low price.

  • Can I find deals for flights from Las Vegas to Ottawa that include hotel bookings?

    Yes. In addition to deals on Las Vegas to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Las Vegas to Ottawa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to Ottawa.

  • Can I find deals for business class flights from Las Vegas to Ottawa?

    Yes. Cheapflights offers flight deals from Las Vegas to Ottawa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Las Vegas to Ottawa?

    Currently, January is the cheapest month in which you can book a flight from Las Vegas to Ottawa (average of C$ 128). Flying from Las Vegas to Ottawa in August is currently the most expensive (average of C$ 483). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
Smiths Falls
Perth
Prescott
Pembroke
Wakefield

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Alternative routes for Las Vegas to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
Las Vegas to Pearson Intl flights
Las Vegas to Pierre Elliott Trudeau Intl flights
Reno to Pearson Intl flights
Las Vegas to Hamilton flights
Las Vegas to Region of Waterloo Intl flights

Top airline flying from Las Vegas to Ottawa

Discover the top airline that operate flights from Las Vegas to Ottawa. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 375AverageC$ 754FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Las Vegas to Ottawa?

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Why should you use Cheapflights to find cheap flight tickets from Las Vegas to Ottawa?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Las Vegas to Ottawa.

Can Cheapflights find flights from Las Vegas to Ottawa with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Las Vegas to Ottawa, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Las Vegas to Ottawa become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ottawa from Las Vegas today and book when prices fit your budget.

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