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$105+ Cheap flights from Las Vegas (LAS) to Ottawa (YOW)

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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — YOW
Apr 16 — Apr 231
Wed 4/16
Wed 4/23
1 adult, Economy
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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 April 11, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$230
(Trip.com)

One-way from

$105
(Air Canada)

Popular in

August

Cheapest in

April

Average price

$255

Good round-trip deal

$200 or less

Good one-way deal

$134 or less
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Ottawa flight deals.
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Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Ottawa flights.
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From Las Vegas Harry Reid Intl to Ottawa
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One-way flight from Las Vegas Harry Reid Intl to Ottawa
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Highest demand for flights based on searches. 25% potential increase in price ($133 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to Ottawa.
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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 April 11, 2025.

This Trip.com deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/146:20 pmLAS - YOW
1 stop9h 28mMultiple Airlines
Sun 5/189:05 amYOW - LAS
Nonstop5h 20mMultiple Airlines
Deal found 4/10$230
This Trip.com deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/146:20 pmLAS - YOW
1 stop9h 28mWestJet
Sun 5/186:00 amYOW - LAS
1 stop9h 55mWestJet
Deal found 4/10$232
This United Airlines deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1312:59 amLAS - YOW
2 stops10h 28mUnited Airlines
Sun 5/186:33 amYOW - LAS
1 stop8h 05mUnited Airlines
Deal found 4/10$305

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 2,558,603 searches. Data last updated April 11, 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

Wed 5/14

6:20 pm-6:48 am

1 stop9h 28m

Ottawa

Sun 5/18

9:05 am-11:25 am

Nonstop5h 20m

$230

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 5/14

6:20 pm-6:48 am

1 stop9h 28m

Ottawa

Sun 5/18

6:00 am-12:55 pm

1 stop9h 55m

$232

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Tue 5/13

12:59 am-2:27 pm

2 stops10h 28m

Ottawa

Sun 5/18

6:33 am-11:38 am

1 stop8h 05m

$305

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 5/28

11:35 pm-2:04 pm

1 stop11h 29m

$105

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 4/16

9:05 am-4:45 pm

Nonstop4h 40m

$113

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 5/21

12:20 pm-7:55 pm

Nonstop4h 35m

$126

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 5/21

9:10 pm-6:22 pm

2 stops18h 12m

$130

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 5/21

7:30 pm-2:44 pm

1 stop16h 14m

$144

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Mon 4/21

11:59 pm-2:04 pm

1 stop11h 05m

$194

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

Compare providers for flights from Las Vegas to Ottawa

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Las Vegas to Ottawa in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Las Vegas-Ottawa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Las Vegas-Ottawa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Las Vegas-Ottawa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Las Vegas-Ottawa flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Las Vegas-Ottawa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 $294). Flying from Las Vegas to Ottawa in May is currently the most expensive (average of $460). 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 April 11, 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 39% 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 2.0 - 3.7 inches per month. June is typically the wettest month, when rainfall can reach 3.7 in. February is typically the driest time to visit Ottawa when rainfall is around 2.0 in.

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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 F).

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 April 11, 2025.
Porter Airlines
8.0
Very good
280 reviews

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.7

Entertainment

6.9

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
8.0
Very good
280 reviews
Porter Airlines
8.0
Very good
280 reviews

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.7

Entertainment

6.9

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
385 reviews
Porter Airlines
8.0
Very good
280 reviews

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.7

Entertainment

6.9

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
8,636 reviews
Porter Airlines
8.0
Very good
280 reviews

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.7

Entertainment

6.9

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
2,802 reviews
Porter Airlines
8.0
Very good
280 reviews

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.7

Entertainment

6.9

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
9,088 reviews
Porter Airlines
8.0
Very good
280 reviews

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.7

Entertainment

6.9

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.

  • What airports do I use to fly from Las Vegas to Ottawa?

    If you book a flight from Las Vegas to Ottawa, you will be flying from Harry Reid Intl to Ottawa. Flights to Ottawa (YOW) from Las Vegas Harry Reid Intl (LAS) take 4h 35m for a nonstop flight. There is 1 flight from Harry Reid Intl to Ottawa per day from 3 airlines.

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

    Cheapflights users have booked flights from Las Vegas to Ottawa round-trip from $232. Another airline that can offer you cheap pricing is United Airlines. Users have found that WestJet is 41% cheaper than the other options available to this destination.

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

    $105 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Porter Airlines and Air Transat, with prices starting from $113 and $126, respectively.

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

    On average you can expect to pay $190 for a flight from Las Vegas to Ottawa. The cheapest flight overall is $92 while the most popular route, (Las Vegas Harry Reid Intl - Ottawa) is currently priced at $230.

  • 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 $294). Flying from Las Vegas to Ottawa in May is currently the most expensive (average of $460). 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

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Gatineau
Brockville
Pembroke
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Top 3 airlines flying from Las Vegas to Ottawa

Discover the top 3 airlines 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 2,558,603 searches. Data last updated April 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$154Average$382FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$235Average$653FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$277Average$537FlexibilityNo cancel feeOn-time67%

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