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Cheap flights from Ottawa to Las Vegas from C$ 207

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 26/11. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAS
12 Nov — 19 Nov1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Ottawa to Las Vegas Harry Reid Intl are usually found in January or February, booked 28 days in advance, depart on a Monday or Sunday and return on a Tuesday

Find flight deals from Ottawa to Las Vegas

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to Las Vegas
Explore the most affordable flight options available from Ottawa to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 October 2025.

Fri 28/115:40 a.m.YOW - LAS
1 stop9h 18mWestJet
Fri 5/128:00 a.m.LAS - YOW
2 stops13h 42mWestJet
Deal found 12/10C$ 356
Thu 4/125:40 a.m.YOW - LAS
1 stop9h 18mMultiple Airlines
Tue 9/123:45 p.m.LAS - YOW
1 stop29h 57mMultiple Airlines
Deal found 11/10C$ 365
Thu 4/125:40 a.m.YOW - LAS
1 stop9h 18mWestJet
Sun 7/121:10 p.m.LAS - YOW
1 stop8h 32mWestJet
Deal found 11/10C$ 367
Sat 29/116:00 a.m.YOW - LAS
2 stops17h 15mWestJet
Sat 6/129:15 p.m.LAS - YOW
2 stops16h 38mWestJet
Deal found 11/10C$ 368
Wed 3/125:40 a.m.YOW - LAS
1 stop9h 02mMultiple Airlines
Tue 9/128:00 a.m.LAS - YOW
2 stops13h 42mMultiple Airlines
Deal found 11/10C$ 377
Mon 10/117:30 p.m.YOW - LAS
1 stop18h 55mUnited Airlines
Fri 14/1111:59 p.m.LAS - YOW
1 stop7h 27mUnited Airlines
Deal found 12/10C$ 382
Sun 26/106:00 a.m.YOW - LAS
2 stops15h 39mWestJet
Wed 29/101:10 p.m.LAS - YOW
2 stops22h 23mWestJet
Deal found 12/10C$ 385
Tue 4/1111:10 a.m.YOW - LAS
2 stops10h 39mUnited Airlines
Thu 13/114:41 p.m.LAS - YOW
2 stops14h 45mUnited Airlines
Deal found 12/10C$ 388
Fri 14/117:30 p.m.YOW - LAS
1 stop18h 55mUnited Airlines
Tue 18/112:41 p.m.LAS - YOW
1 stop16h 45mUnited Airlines
Deal found 12/10C$ 389

Cheap flight deals from Ottawa to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Las Vegas (LAS). 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 13 October 2025.

Round-trip from

C$ 356

One-way from

C$ 207

Popular in

August

Cheapest in

January

Average price

C$ 479

Good round-trip deal

C$ 316 or less
WestJet
  • WestJet
  • 28/11-5/12
  • 3 total stops
  • 23h 00m total
  • Ottawa to Las Vegas
Search Deals
WestJet
  • WestJet
  • 26/11
  • 3 total stops
  • 15h 31m total
  • Ottawa to Las Vegas
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 45 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Ottawa to Las Vegas Harry Reid Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Las Vegas 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 13 October 2025.
Use the filters below to find and compare flights from Ottawa to Las Vegas that are best for you.

Fly from

Ottawa

Fly to

Las Vegas

Route

Depart

Return

Price

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Mon 10/11

7:30 p.m.-11:25 a.m.

1 stop18h 55m

Las Vegas Harry Reid Intl

Fri 14/11

11:59 p.m.-10:26 a.m.

1 stop7h 27m

C$ 382

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 4/11

11:10 a.m.-6:49 p.m.

2 stops10h 39m

Las Vegas Harry Reid Intl

Thu 13/11

4:41 p.m.-10:26 a.m.

2 stops14h 45m

C$ 388

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 5/12

5:55 p.m.-11:25 p.m.

1 stop8h 30m

Las Vegas Harry Reid Intl

Mon 8/12

11:59 p.m.-10:26 a.m.

1 stop7h 27m

C$ 389

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 5/12

5:55 p.m.-11:25 p.m.

1 stop8h 30m

Las Vegas Harry Reid Intl

Tue 9/12

11:59 p.m.-10:26 a.m.

1 stop7h 27m

C$ 389

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 14/11

7:30 p.m.-11:25 a.m.

1 stop18h 55m

Las Vegas Harry Reid Intl

Tue 18/11

2:41 p.m.-10:26 a.m.

1 stop16h 45m

C$ 389

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 5/12

5:55 p.m.-11:25 p.m.

1 stop8h 30m

Las Vegas Harry Reid Intl

Sun 7/12

11:59 p.m.-10:26 a.m.

1 stop7h 27m

C$ 389

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 5/12

5:45 p.m.-8:15 p.m.

2 stops29h 30m

Las Vegas Harry Reid Intl

Sun 7/12

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

1 stop8h 32m

C$ 391

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Mon 3/11

7:30 p.m.-11:25 a.m.

1 stop18h 55m

Las Vegas Harry Reid Intl

Mon 10/11

11:30 p.m.-4:32 p.m.

1 stop14h 02m

C$ 392

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Wed 26/11

5:40 a.m.-6:11 p.m.

3 stops15h 31m

C$ 207

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 11/11

5:40 a.m.-6:39 p.m.

2 stops15h 59m

C$ 211

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 18 results
1
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Best time to book a flight from Ottawa to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Ottawa 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 Ottawa to Las Vegas

How far ahead should I book a flight from Ottawa to Las Vegas?

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to Las Vegas. Price data was last updated on 10 October 2025.

The best time to book flights from Ottawa to Las Vegas is 28 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Ottawa to Las Vegas?

Currently, January is the cheapest month in which you can book a flight from Ottawa to Las Vegas (average of C$ 185). Flying from Ottawa to Las Vegas in August is currently the most expensive (average of C$ 340). 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 YOW to LAS?

Find hourly flight availability from Ottawa to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 October 2025.

It’s optimal to fly from Ottawa to Las Vegas in the morning. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Ottawa to Las Vegas?

Use this chart to determine the cheapest time to fly round-trip from Ottawa to Las Vegas. Price data was last updated on 12 October 2025.

Travelers seeking maximum savings on their Ottawa to Las Vegas flight should consider departing on Wednesday evenings when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. 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 Las Vegas. Reviews last updated 13 October 2025.
Read through reviews of airlines operating flights from Ottawa to Las Vegas, such as Porter Airlines,Air Transat, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
379 reviews
Check prices

Entertainment

7.0

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

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
379 reviews
Porter Airlines
8.0
Very good
379 reviews
Check prices

Entertainment

7.0

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

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 Transat
7.7
Good
456 reviews
Porter Airlines
8.0
Very good
379 reviews
Check prices

Entertainment

7.0

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

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.
United Airlines
7.4
Good
8,973 reviews
Porter Airlines
8.0
Very good
379 reviews
Check prices

Entertainment

7.0

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

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
3,124 reviews
Porter Airlines
8.0
Very good
379 reviews
Check prices

Entertainment

7.0

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

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
10,288 reviews
Porter Airlines
8.0
Very good
379 reviews
Check prices

Entertainment

7.0

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

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 Ottawa to Las Vegas. 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 Ottawa to Las Vegas flight route?

    This flight path from Ottawa to Las Vegas Harry Reid Intl was viewed by 495 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Ottawa to Las Vegas?

    For as low as C$ 382, United Airlines can have you in Las Vegas from Ottawa in 18h 55m. Airlines will cover a distance of 3442 km.

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

    According to our current data, Porter Airlines (C$ 278), Air Transat (C$ 287), and United Airlines (C$ 288) offers the cheapest pricing from Ottawa to Las Vegas. Users have found that Porter Airlines is 37% cheaper than the other options available to this destination.

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

    Looking for the cheapest flight from Ottawa to Las Vegas? While on average our users pay C$ 426, our data indicates the cheapest price to be C$ 309. The most popular route (Ottawa - Las Vegas Harry Reid Intl), is priced around C$ 357.

  • Can I find deals for flights from Ottawa to Las Vegas that include hotel bookings?

    Yes. In addition to deals on Ottawa to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Las Vegas.

  • Can I find deals for business class flights from Ottawa to Las Vegas?

    Yes. Cheapflights offers flight deals from Ottawa to Las Vegas 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 Ottawa to Las Vegas?

    Currently, January is the cheapest month in which you can book a flight from Ottawa to Las Vegas (average of C$ 185). Flying from Ottawa to Las Vegas in August is currently the most expensive (average of C$ 340). 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
Henderson
Boulder City
North Las Vegas
Paradise

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Fly from Ottawa to Las Vegas on these airlines

Choose from the following airlines for your flight from Ottawa to Las Vegas. Flights are based on user searches made on Cheapflights and were last updated on 13 October 2025.
WestJet flights from Ottawa to Las Vegas Harry Reid Intl
Air Canada flights from Ottawa to Las Vegas Harry Reid Intl

Top 6 airlines flying from Ottawa to Las Vegas

Discover the top 6 airlines that operate flights from Ottawa to Las Vegas. 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 13 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 278AverageC$ 428FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 287AverageC$ 464FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 288AverageC$ 445FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 289AverageC$ 399FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 316AverageC$ 541FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
APG AirlinesCheapestC$ 560AverageC$ 762FlexibilityNo cancel feeOn-timeN/A
Search APG Airlines flights

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How does Cheapflights help users find flights from Ottawa to Las Vegas?

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Why should you use Cheapflights to find cheap flight tickets from Ottawa to Las Vegas?

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Can Cheapflights find flights from Ottawa to Las Vegas with no change fees?

Need flexible booking options for your flight to Las Vegas from Ottawa? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ottawa to Las Vegas become cheaper?

Yes! Start tracking prices for Ottawa to Las Vegas flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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