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Cheap flights from Las Vegas to Ottawa from C$ 149

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — YOW
30 Mar — 6 Apr1
1 adult

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 25 March 2025.

Round-trip from

C$ 338

One-way from

C$ 149

Popular in

August

Cheapest in

April

Average price

C$ 531

Good one-way deal

C$ 146 or less
WestJet
  • WestJet
  • 9/5-21/5
  • 2 total stops
  • 19h 23m total
  • Las Vegas to Ottawa
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WestJet
  • WestJet
  • 13/5
  • 1 total stop
  • 9h 25m total
  • Las Vegas to Ottawa
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (C$ 250 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease (C$ 81 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a one-way flight from Las Vegas Harry Reid Intl to Ottawa.
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Find flight deals from Las Vegas to Ottawa

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 25 March 2025.

Fri 9/512:20 p.m.LAS - YOW
Nonstop4h 35mMultiple Airlines
Wed 21/57:50 a.m.YOW - LAS
2 stops14h 48mMultiple Airlines
Deal found 23/3C$ 338
Fri 9/51:45 p.m.LAS - YOW
2 stops12h 40mWestJet
Wed 21/57:50 a.m.YOW - LAS
2 stops14h 48mWestJet
Deal found 23/3C$ 384
Fri 9/512:20 p.m.LAS - YOW
Nonstop4h 35mAir Transat
Wed 21/59:05 a.m.YOW - LAS
Nonstop5h 20mAir Transat
Deal found 23/3C$ 391
Fri 9/510:45 p.m.LAS - YOW
2 stops11h 24mUnited Airlines
Wed 21/56:30 a.m.YOW - LAS
3 stops14h 21mUnited Airlines
Deal found 25/3C$ 501

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 25 March 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 9/5

12:20 p.m.-7:55 p.m.

Nonstop4h 35m

Ottawa

Wed 21/5

7:50 a.m.-7:38 p.m.

2 stops14h 48m

C$ 338

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Fri 9/5

1:45 p.m.-5:25 a.m.

2 stops12h 40m

Ottawa

Wed 21/5

7:50 a.m.-7:38 p.m.

2 stops14h 48m

C$ 384

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Fri 9/5

12:20 p.m.-7:55 p.m.

Nonstop4h 35m

Ottawa

Wed 21/5

9:05 a.m.-11:25 a.m.

Nonstop5h 20m

C$ 391

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Fri 9/5

10:45 p.m.-1:09 p.m.

2 stops11h 24m

Ottawa

Wed 21/5

6:30 a.m.-5:51 p.m.

3 stops14h 21m

C$ 501

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Tue 13/5

6:20 p.m.-6:45 a.m.

1 stop9h 25m

C$ 149

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Mon 7/4

4:50 p.m.-4:58 a.m.

1 stop9h 08m

C$ 150

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Mon 7/4

9:10 a.m.-4:45 p.m.

Nonstop4h 35m

C$ 152

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Sat 3/5

7:30 p.m.-2:44 p.m.

1 stop16h 14m

C$ 175

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Mon 12/5

12:59 a.m.-11:53 p.m.

2 stops19h 54m

C$ 196

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Mon 21/4

10:35 p.m.-8:20 a.m.

1 stop6h 45m

C$ 394

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/3

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, October is the cheapest month in which you can book a flight from Las Vegas to Ottawa (average of C$ 224). Flying from Las Vegas to Ottawa in December is currently the most expensive (average of C$ 326). 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 25 March 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 morning, which can drop the price by up to 65% versus a flight in the afternoon.

Rainfall in Ottawa by month

Plan your trip to Ottawa by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ottawa ranges from 50.0 - 93.0 mm per month. June is typically the wettest month, when rainfall can reach 93.0 mm. February is typically the driest time to visit Ottawa when rainfall is around 50.0 mm.

Temperature in Ottawa by month

Plan your trip to Ottawa by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ottawa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -10.0 C).

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 25 March 2025.
Porter Airlines
7.9
Good
275 reviews
Check prices

Entertainment

6.9

Overall

7.9

Crew

8.7

Food

7.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Porter Airlines
7.9
Good
275 reviews
Porter Airlines
7.9
Good
275 reviews
Check prices

Entertainment

6.9

Overall

7.9

Crew

8.7

Food

7.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Air Transat
7.8
Good
381 reviews
Porter Airlines
7.9
Good
275 reviews
Check prices

Entertainment

6.9

Overall

7.9

Crew

8.7

Food

7.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
United Airlines
7.4
Good
8,605 reviews
Porter Airlines
7.9
Good
275 reviews
Check prices

Entertainment

6.9

Overall

7.9

Crew

8.7

Food

7.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
WestJet
7.2
Good
2,785 reviews
Porter Airlines
7.9
Good
275 reviews
Check prices

Entertainment

6.9

Overall

7.9

Crew

8.7

Food

7.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Air Canada
7.0
Good
8,952 reviews
Porter Airlines
7.9
Good
275 reviews
Check prices

Entertainment

6.9

Overall

7.9

Crew

8.7

Food

7.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?

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

  • What are the cheapest airlines flying from Las Vegas to Ottawa round-trip?

    WestJet, at C$ 384, was found to be the cheapest airline from Las Vegas to Ottawa.Alternate airlines to your destination round-trip include Air Transat and United Airlines. WestJet is priced at 33% 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 WestJet, with whom users have recently found tickets for as low as C$ 149. However, be on the lookout for offers from Air Canada and Air Transat, as they are both options that can get you from Las Vegas to Ottawa for a low price.

  • What are the cheapest flights from Las Vegas to Ottawa?

    While on average a flight from Las Vegas to Ottawa is generally C$ 151, our data shows the cheapest flight currently is C$ 83. When looking at the most popular route, (Las Vegas Harry Reid Intl - Ottawa), you can expect to pay C$ 332 for that flight.

  • 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, October is the cheapest month in which you can book a flight from Las Vegas to Ottawa (average of C$ 224). Flying from Las Vegas to Ottawa in December is currently the most expensive (average of C$ 326). 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 Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Gatineau
Perth
Smiths Falls
Prescott
Brockville
Wakefield
Lanark

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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.
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Las Vegas to Hamilton 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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