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Cheap flights from Las Vegas to Ottawa from C$ 171

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 21/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — YOW
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 28 October 2025.

Fri 12/121:10 p.m.LAS - YOW
1 stop8h 32mMultiple Airlines
Wed 17/126:45 a.m.YOW - LAS
1 stop7h 57mMultiple Airlines
Deal found 26/10C$ 481
Fri 12/121:10 p.m.LAS - YOW
1 stop8h 32mMultiple Airlines
Fri 19/123:00 p.m.YOW - LAS
1 stop10h 02mMultiple Airlines
Deal found 28/10C$ 487
Wed 17/126:05 a.m.LAS - YOW
2 stops14h 53mMultiple Airlines
Mon 29/123:00 p.m.YOW - LAS
1 stop10h 02mMultiple Airlines
Deal found 27/10C$ 545
Wed 17/121:10 p.m.LAS - YOW
2 stops32h 32mWestJet
Mon 29/127:15 p.m.YOW - LAS
2 stops20h 04mWestJet
Deal found 27/10C$ 579
Mon 29/1211:30 p.m.LAS - YOW
1 stop8h 48mAir Canada
Wed 31/122:50 p.m.YOW - LAS
1 stop8h 49mAir Canada
Deal found 26/10C$ 601
Thu 11/1212:59 a.m.LAS - YOW
2 stops10h 31mUnited Airlines
Wed 17/129:45 a.m.YOW - LAS
1 stop8h 13mUnited Airlines
Deal found 26/10C$ 656
Sun 21/1212:40 p.m.LAS - YOW
1 stop9h 01mMultiple Airlines
Tue 23/126:00 a.m.YOW - LAS
1 stop15h 11mMultiple Airlines
Deal found 26/10C$ 659
Mon 29/126:00 a.m.LAS - YOW
2 stops15h 25mMultiple Airlines
Wed 31/127:00 a.m.YOW - LAS
1 stop16h 30mMultiple Airlines
Deal found 26/10C$ 681

Cheap 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 28 October 2025.

Round-trip from

C$ 487

One-way from

C$ 171

Popular in

August

Cheapest in

April

Average price

C$ 394
Porter Airlines
  • Porter Airlines
  • 12/12-19/12
  • 2 total stops
  • 18h 34m total
  • Las Vegas to Ottawa
Search Deals
21/12
  • 21/12
  • 1 total stop
  • 15h 53m total
  • Las Vegas to Ottawa
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 167 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 28 October 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

Fri 12/12

1:10 p.m.-12:42 a.m.

1 stop8h 32m

Ottawa

Wed 17/12

6:45 a.m.-11:42 a.m.

1 stop7h 57m

C$ 481

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Fri 12/12

1:10 p.m.-12:42 a.m.

1 stop8h 32m

Ottawa

Fri 19/12

3:00 p.m.-10:02 p.m.

1 stop10h 02m

C$ 487

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 17/12

8:00 a.m.-12:40 a.m.

1 stop13h 40m

Ottawa

Mon 29/12

3:00 p.m.-10:02 p.m.

1 stop10h 02m

C$ 523

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 17/12

1:10 p.m.-12:42 a.m.

2 stops32h 32m

Ottawa

Mon 29/12

7:15 p.m.-12:19 p.m.

2 stops20h 04m

C$ 579

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Mon 29/12

11:30 p.m.-11:18 a.m.

1 stop8h 48m

Ottawa

Wed 31/12

2:50 p.m.-8:39 p.m.

1 stop8h 49m

C$ 601

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Thu 11/12

12:59 a.m.-2:30 p.m.

2 stops10h 31m

Ottawa

Wed 17/12

9:45 a.m.-2:58 p.m.

1 stop8h 13m

C$ 656

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Sun 21/12

12:40 p.m.-12:41 a.m.

1 stop9h 01m

Ottawa

Tue 23/12

6:00 a.m.-6:11 p.m.

1 stop15h 11m

C$ 659

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Tue 9/12

12:40 p.m.-12:41 a.m.

1 stop9h 01m

C$ 204

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 24/12

12:10 p.m.-11:08 p.m.

1 stop7h 58m

C$ 211

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Tue 9/12

1:10 p.m.-4:53 p.m.

2 stops24h 43m

C$ 228

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/10

Showing 1-10 of 16 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$ 130). Flying from Las Vegas to Ottawa in August is currently the most expensive (average of C$ 490). 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.

What is the cheapest time of day to fly from LAS to YOW?

Find hourly flight availability from Las Vegas to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 October 2025.

When flying from Las Vegas to Ottawa, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 81% versus a flight in the evening.

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 28 October 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
384 reviews
Check prices

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
8.0
Very good
384 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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 4 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Porter Airlines, at C$ 360, 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$ 204. However, be on the lookout for offers from Air Canada 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$ 130). Flying from Las Vegas to Ottawa in August is currently the most expensive (average of C$ 490). 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 28 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 360AverageC$ 765FlexibilityNo 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?

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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