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Cheap flights from Las Vegas to Ottawa from C$ 136

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — YOW
26 Feb — 5 Mar1
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 27 January 2026.

Mon 20/44:50 p.m.
LAS
-
YOW
1 stop10h 55m
Multiple Airlines
Sun 26/43:05 p.m.
YOW
-
LAS
1 stop9h 57m
Multiple Airlines
Deal found 27/1C$ 346
Sun 17/56:45 a.m.
LAS
-
YOW
1 stop11h 00m
Air Canada
Tue 26/59:30 a.m.
YOW
-
LAS
1 stop10h 28m
Air Canada
Deal found 26/1C$ 389
Sun 17/56:45 a.m.
LAS
-
YOW
1 stop11h 00m
Air Canada
Wed 27/56:00 a.m.
YOW
-
LAS
1 stop7h 35m
Air Canada
Deal found 26/1C$ 394
Sun 17/56:45 a.m.
LAS
-
YOW
1 stop11h 00m
Air Canada
Mon 25/55:15 a.m.
YOW
-
LAS
1 stop8h 49m
Air Canada
Deal found 26/1C$ 401
Tue 14/47:30 p.m.
LAS
-
YOW
2 stops26h 09m
WestJet
Tue 21/45:40 a.m.
YOW
-
LAS
2 stops15h 33m
WestJet
Deal found 26/1C$ 403
Tue 14/44:45 p.m.
LAS
-
YOW
1 stop11h 00m
Air Canada
Wed 22/47:45 a.m.
YOW
-
LAS
1 stop11h 08m
Air Canada
Deal found 26/1C$ 404
Tue 14/47:05 p.m.
LAS
-
YOW
2 stops26h 34m
Multiple Airlines
Mon 20/43:05 p.m.
YOW
-
LAS
1 stop9h 57m
Multiple Airlines
Deal found 26/1C$ 407
Wed 15/412:30 p.m.
LAS
-
YOW
1 stop6h 46m
Air Canada
Thu 23/47:45 a.m.
YOW
-
LAS
1 stop11h 08m
Air Canada
Deal found 26/1C$ 408
Fri 17/44:50 p.m.
LAS
-
YOW
1 stop10h 55m
Air Canada
Sat 18/410:15 a.m.
YOW
-
LAS
1 stop15h 14m
Air Canada
Deal found 26/1C$ 409
Wed 20/56:45 a.m.
LAS
-
YOW
1 stop15h 10m
Air Canada
Tue 26/59:30 a.m.
YOW
-
LAS
1 stop10h 28m
Air Canada
Deal found 26/1C$ 415
Sun 17/56:00 p.m.
LAS
-
YOW
2 stops11h 15m
Air Canada
Fri 29/55:15 a.m.
YOW
-
LAS
1 stop8h 49m
Air Canada
Deal found 26/1C$ 419

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 27 January 2026.

Round-trip from

C$ 389

One-way from

C$ 136

Popular in

August

Cheapest in

March
Air Canada
  • Air Canada
  • 17/5-26/5
  • 2 total stops
  • 21h 28m total
  • Las Vegas to Ottawa
Search Deals
WestJet
  • WestJet
  • 12/3
  • 2 total stops
  • 13h 34m total
  • Las Vegas to Ottawa
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 118 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 34 potential savings vs. average RT price).
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 27 January 2026.
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

Mon 13/4

4:45 p.m.-6:45 a.m.

1 stop11h 00m

Ottawa

Sat 18/4

7:45 a.m.-3:53 p.m.

1 stop11h 08m

C$ 404

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Tue 14/4

4:45 p.m.-6:45 a.m.

1 stop11h 00m

Ottawa

Wed 22/4

7:45 a.m.-3:53 p.m.

1 stop11h 08m

C$ 404

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Tue 14/4

4:45 p.m.-6:45 a.m.

1 stop11h 00m

Ottawa

Sat 18/4

7:45 a.m.-3:53 p.m.

1 stop11h 08m

C$ 404

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Tue 14/4

4:45 p.m.-6:45 a.m.

1 stop11h 00m

Ottawa

Tue 21/4

7:45 a.m.-3:53 p.m.

1 stop11h 08m

C$ 404

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Thu 16/4

4:45 p.m.-6:45 a.m.

1 stop11h 00m

Ottawa

Sun 19/4

7:45 a.m.-3:53 p.m.

1 stop11h 08m

C$ 404

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Fri 17/4

4:50 p.m.-6:45 a.m.

1 stop10h 55m

Ottawa

Sat 18/4

10:15 a.m.-10:29 p.m.

1 stop15h 14m

C$ 409

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Sun 17/5

6:00 p.m.-8:15 a.m.

2 stops11h 15m

Ottawa

Sun 24/5

6:00 a.m.-10:35 a.m.

1 stop7h 35m

C$ 412

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Fri 17/4

4:50 p.m.-6:45 a.m.

1 stop10h 55m

Ottawa

Tue 21/4

4:15 p.m.-10:29 p.m.

1 stop9h 14m

C$ 415

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Sat 11/4

4:45 p.m.-6:45 a.m.

1 stop11h 00m

Ottawa

Tue 21/4

4:15 p.m.-10:29 p.m.

1 stop9h 14m

C$ 415

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Fri 17/4

4:50 p.m.-6:45 a.m.

1 stop10h 55m

Ottawa

Mon 20/4

6:05 p.m.-10:29 p.m.

1 stop7h 24m

C$ 415

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/1

Showing 1-10 of 19 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, April is the cheapest month in which you can book a flight from Las Vegas to Ottawa (average of C$ 144). Flying from Las Vegas to Ottawa in August is currently the most expensive (average of C$ 479). 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 27 January 2026.
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
7.9
Good
412 reviews
Check prices

Food

7.5

Overall

7.9

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

6.9

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
7.9
Good
412 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Food

7.5

Overall

7.9

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

6.9

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 2 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 11h. Air Canada provides one of the quickest options available for as low as C$ 389. 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$ 372, was found to be the cheapest airline from Las Vegas to Ottawa.. Porter Airlines is priced at 27% 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$ 115. However, be on the lookout for offers from WestJet and United Airlines, 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, April is the cheapest month in which you can book a flight from Las Vegas to Ottawa (average of C$ 144). Flying from Las Vegas to Ottawa in August is currently the most expensive (average of C$ 479). 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
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 27 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 372AverageC$ 749FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ottawa from Las Vegas today with Cheapflights!

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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