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$109+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — YOW
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
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 septiembre 11, 2025.

Round-trip from

$216
(Trip.com)

One-way from

$109
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$379
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. 18% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 septiembre 11, 2025.

This Trip.com deal was found by Cheapflights users on 9/9. 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.
vie. 10/109:10 pmLAS - YOW
2 stops18h 10mWestJet
dom. 10/127:50 amYOW - LAS
2 stops14h 47mWestJet
Deal found 9/9$216
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/88:00 amLAS - YOW
2 stops13h 22mWestJet
dom. 10/123:45 pmYOW - LAS
1 stop8h 44mWestJet
Deal found 9/10$250
This Trip.com deal was found by Cheapflights users on 9/10. 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.
vie. 10/106:20 pmLAS - YOW
1 stop27h 20mWestJet
vie. 10/175:15 pmYOW - LAS
1 stop29h 22mWestJet
Deal found 9/10$277
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/248:00 amLAS - YOW
1 stop27h 56mWestJet
mar. 9/305:55 amYOW - LAS
2 stops14h 39mWestJet
Deal found 9/10$285

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 septiembre 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

vie. 10/10

9:10 pm-6:20 pm

2 stops18h 10m

Ottawa

dom. 10/12

7:50 am-7:37 pm

2 stops14h 47m

$216

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

mié. 10/8

8:00 am-12:22 am

2 stops13h 22m

Ottawa

dom. 10/12

6:00 am-3:01 pm

2 stops12h 01m

$267

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

vie. 10/10

9:10 pm-6:20 pm

2 stops18h 10m

Ottawa

vie. 10/17

5:15 pm-7:37 pm

1 stop29h 22m

$291

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

jue. 10/9

8:30 pm-12:22 am

2 stops24h 52m

Ottawa

jue. 10/16

5:55 am-9:29 pm

2 stops18h 34m

$292

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

jue. 2/19

4:45 pm-6:43 am

1 stop10h 58m

Ottawa

dom. 2/22

2:50 pm-8:49 pm

1 stop8h 59m

$294

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

mié. 9/24

8:00 am-12:22 am

2 stops13h 22m

Ottawa

mar. 9/30

5:55 am-5:34 pm

2 stops14h 39m

$299

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

mié. 10/8

12:35 pm-12:22 am

1 stop8h 47m

$109

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

vie. 10/10

9:10 pm-12:40 am

2 stops24h 30m

$133

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

mié. 12/24

4:45 pm-6:43 am

1 stop10h 58m

$135

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

vie. 1/9

8:00 am-12:40 am

1 stop13h 40m

$146

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 15 results
1
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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 $294). Flying from Las Vegas to Ottawa in September is currently the most expensive (average of $419). 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 septiembre 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 45% versus a flight in the afternoon.

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 septiembre 11, 2025.
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
363 reviews

Comfort

7.9

Entertainment

7.0

Overall

7.9

Food

7.6

Crew

8.6

Boarding

8.1

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
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews

Comfort

7.9

Entertainment

7.0

Overall

7.9

Food

7.6

Crew

8.6

Boarding

8.1

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.
WestJet
7.2
Good
3,091 reviews
Porter Airlines
7.9
Good
363 reviews

Comfort

7.9

Entertainment

7.0

Overall

7.9

Food

7.6

Crew

8.6

Boarding

8.1

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.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews

Comfort

7.9

Entertainment

7.0

Overall

7.9

Food

7.6

Crew

8.6

Boarding

8.1

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 long is the flight from Las Vegas to Ottawa?

    For as low as $216, WestJet can have you in Ottawa from Las Vegas in 18h 10m. The distance between Las Vegas and Ottawa is about 2139 mi.

  • 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 $158. Other airlines that can offer you cheap pricing are Air Canada, from $203, and WestJet, from $239. Users have found that Porter Airlines is 52% cheaper than the other options available to this destination.

  • 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 September is currently the most expensive (average of $419). 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

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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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$158Average$328FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$203Average$321FlexibilityNo cancel feeOn-time67%
WestJetCheapest$239Average$314FlexibilityNo cancel feeOn-time60%

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