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$99+ 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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — YOW
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap 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 January 26, 2026.

This Air Canada deal was found by Cheapflights users on 1/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:45 am
LAS
-
YOW
1 stop11h 00m
Air Canada
Tue 5/269:30 am
YOW
-
LAS
1 stop10h 28m
Air Canada
Deal found 1/26$284
This Air Canada deal was found by Cheapflights users on 1/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:45 am
LAS
-
YOW
1 stop11h 00m
Air Canada
Wed 5/276:00 am
YOW
-
LAS
1 stop7h 35m
Air Canada
Deal found 1/26$288
This Air Canada deal was found by Cheapflights users on 1/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:45 am
LAS
-
YOW
1 stop11h 00m
Air Canada
Mon 5/255:15 am
YOW
-
LAS
1 stop8h 49m
Air Canada
Deal found 1/26$293
This Air Canada deal was found by Cheapflights users on 1/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:00 pm
LAS
-
YOW
2 stops11h 15m
Air Canada
Sun 5/246:00 am
YOW
-
LAS
1 stop7h 35m
Air Canada
Deal found 1/26$301
This Air Canada deal was found by Cheapflights users on 1/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:45 am
LAS
-
YOW
1 stop15h 10m
Air Canada
Tue 5/269:30 am
YOW
-
LAS
1 stop10h 28m
Air Canada
Deal found 1/26$303
This Air Canada deal was found by Cheapflights users on 1/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:00 pm
LAS
-
YOW
2 stops11h 15m
Air Canada
Fri 5/295:15 am
YOW
-
LAS
1 stop8h 49m
Air Canada
Deal found 1/26$306
This Air Canada deal was found by Cheapflights users on 1/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:45 am
LAS
-
YOW
1 stop15h 10m
Air Canada
Wed 5/276:00 am
YOW
-
LAS
1 stop7h 35m
Air Canada
Deal found 1/26$307
This Air Canada deal was found by Cheapflights users on 1/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:45 am
LAS
-
YOW
1 stop15h 10m
Air Canada
Mon 5/256:00 pm
YOW
-
LAS
1 stop7h 29m
Air Canada
Deal found 1/26$312
This FlightHub deal was found by Cheapflights users on 1/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/211:20 pm
LAS
-
YOW
2 stops13h 20m
WestJet
Thu 5/286:25 pm
YOW
-
LAS
1 stop20h 15m
WestJet
Deal found 1/26$327
This Air Canada deal was found by Cheapflights users on 1/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/144:45 pm
LAS
-
YOW
1 stop10h 58m
Air Canada
Sun 2/152:50 pm
YOW
-
LAS
1 stop8h 49m
Air Canada
Deal found 1/26$341
This oojo deal was found by Cheapflights users on 1/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2311:25 pm
LAS
-
YOW
1 stop22h 14m
WestJet
Wed 2/255:40 am
YOW
-
LAS
2 stops18h 53m
WestJet
Deal found 1/25$353

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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$353
(oojo)

One-way from

$99
(oojo)

Popular in

August

Cheapest in

March
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Ottawa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Ottawa flights.
Search Deals
From Las Vegas Harry Reid Intl to Ottawa
Search Deals
One-way flight from Las Vegas Harry Reid Intl to Ottawa
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 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 2,558,603 searches. Data last updated January 26, 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

Sun 5/17

6:00 pm-8:15 am

2 stops11h 15m

Ottawa

Sun 5/24

6:00 am-10:35 am

1 stop7h 35m

$301

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Sat 2/14

4:45 pm-6:43 am

1 stop10h 58m

Ottawa

Sun 2/15

2:50 pm-8:39 pm

1 stop8h 49m

$341

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Mon 2/23

11:25 pm-12:39 am

1 stop22h 14m

Ottawa

Wed 2/25

5:40 am-9:33 pm

2 stops18h 53m

$353

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Mon 6/29

12:35 pm-12:20 am

1 stop8h 45m

Ottawa

Tue 7/7

5:45 am-12:30 pm

1 stop9h 45m

$374

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Fri 5/1

8:30 am-12:20 am

2 stops12h 50m

Ottawa

Fri 5/15

1:20 pm-10:40 am

1 stop24h 20m

$374

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Tue 2/24

8:00 am-12:39 am

2 stops13h 39m

Ottawa

Wed 2/25

5:40 am-9:33 pm

2 stops18h 53m

$376

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Sat 5/23

11:25 pm-5:35 pm

2 stops15h 10m

Ottawa

Sat 5/30

1:20 pm-9:40 pm

1 stop11h 20m

$382

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Fri 5/22

11:25 pm-5:35 pm

2 stops15h 10m

Ottawa

Sat 5/30

1:20 pm-9:40 pm

1 stop11h 20m

$382

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Sat 5/23

11:25 pm-5:35 pm

2 stops15h 10m

Ottawa

Thu 5/28

1:20 pm-9:40 pm

1 stop11h 20m

$382

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Fri 5/22

11:25 pm-5:35 pm

2 stops15h 10m

Ottawa

Thu 5/28

1:20 pm-9:40 pm

1 stop11h 20m

$382

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 19 results
1
2
  • 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, April is the cheapest month in which you can book a flight from Las Vegas to Ottawa (average of $105). Flying from Las Vegas to Ottawa in August is currently the most expensive (average of $350). 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 January 26, 2026.
Peruse reviews from past customers who have flown with Porter Airlines, WestJet, and Air Canada from Las Vegas to Ottawa to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
412 reviews

Comfort

7.9

Food

7.5

Boarding

8.2

Crew

8.6

Overall

7.9

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

Comfort

7.9

Food

7.5

Boarding

8.2

Crew

8.6

Overall

7.9

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
WestJet
7.2
Good
3,249 reviews
Porter Airlines
7.9
Good
412 reviews

Comfort

7.9

Food

7.5

Boarding

8.2

Crew

8.6

Overall

7.9

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
Air Canada
7.1
Good
10,656 reviews
Porter Airlines
7.9
Good
412 reviews

Comfort

7.9

Food

7.5

Boarding

8.2

Crew

8.6

Overall

7.9

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 long is the flight from Las Vegas to Ottawa?

    For as low as $301, Air Canada can have you in Ottawa from Las Vegas in 11h 15m. The distance between Las Vegas and Ottawa is about 2139 mi. This flight may include one or multiple stops.

  • 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 $84. Other airlines that can offer you cheap pricing are WestJet, from $248, and Air Canada, from $266. Users have found that Porter Airlines is 77% cheaper than the other options available to this destination.

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

    $79 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on Air Canada and United Airlines, with prices starting from $133 and $145, respectively.

  • 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 $105). Flying from Las Vegas to Ottawa in August is currently the most expensive (average of $350). 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 Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Petawawa

Browse thousands of different options on Cheapflights for your next trip

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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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$84Average$299FlexibilityNo cancel feeOn-time52%
WestJetCheapest$248Average$287FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$266Average$436FlexibilityNo cancel feeOn-time67%

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