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Cheap flights from Ottawa to Las Vegas from C$ 147

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Las Vegas departing on 29/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ottawa to Las Vegas

Cheap round-trip flights

WestJet Logo
5:15 p.m. - 10:40 a.m.YOW-LAS
20h 25m2 stops
WestJet Logo
9:10 p.m. - 4:19 p.m.LAS-YOW
16h 09m2 stops
C$ 358WestJet
Find Deal
Fri, 17 Oct - Mon, 20 Oct
Multiple Airlines Logo
5:55 a.m. - 11:39 a.m.YOW-LAS
8h 44m1 stop
Multiple Airlines Logo
10:07 p.m. - 5:25 p.m.LAS-YOW
16h 18m1 stop
C$ 359Multiple Airlines
Find Deal
Fri, 24 Oct - Mon, 27 Oct
WestJet Logo
6:00 a.m. - 6:11 p.m.YOW-LAS
15h 11m1 stop
WestJet Logo
1:10 p.m. - 12:42 a.m.LAS-YOW
8h 32m1 stop
C$ 362WestJet
Find Deal
Thu, 27 Nov - Fri, 5 Dec
WestJet Logo
6:00 a.m. - 8:15 p.m.YOW-LAS
17h 15m2 stops
WestJet Logo
1:10 p.m. - 12:42 a.m.LAS-YOW
8h 32m1 stop
C$ 365WestJet
Find Deal
Thu, 27 Nov - Fri, 5 Dec
Porter Airlines Logo
6:45 a.m. - 11:42 a.m.YOW-LAS
7h 57m1 stop
Porter Airlines Logo
12:40 p.m. - 12:41 a.m.LAS-YOW
9h 01m1 stop
C$ 382Porter Airlines
Find Deal
Wed, 29 Oct - Tue, 4 Nov
Air Canada Logo
2:50 p.m. - 8:49 p.m.YOW-LAS
8h 59m1 stop
Air Canada Logo
4:45 p.m. - 6:43 a.m.LAS-YOW
10h 58m1 stop
C$ 388Air Canada
Find Deal
Fri, 28 Nov - Sat, 6 Dec
Porter Airlines Logo
6:45 a.m. - 11:42 a.m.YOW-LAS
7h 57m1 stop
Porter Airlines Logo
11:05 p.m. - 5:29 p.m.LAS-YOW
15h 24m1 stop
C$ 392Porter Airlines
Find Deal
Wed, 26 Nov - Sat, 6 Dec
United Airlines Logo
3:10 p.m. - 11:52 p.m.YOW-LAS
11h 42m2 stops
United Airlines Logo
7:04 p.m. - 11:26 a.m.LAS-YOW
13h 22m2 stops
C$ 396United Airlines
Find Deal
Thu, 30 Oct - Sat, 1 Nov
Air Canada Logo
2:50 p.m. - 8:49 p.m.YOW-LAS
8h 59m1 stop
Air Canada Logo
4:45 p.m. - 9:23 a.m.LAS-YOW
13h 38m2 stops
C$ 398Air Canada
Find Deal
Fri, 28 Nov - Sat, 6 Dec
United Airlines Logo
5:14 p.m. - 9:49 p.m.YOW-LAS
7h 35m1 stop
United Airlines Logo
11:59 p.m. - 10:26 a.m.LAS-YOW
7h 27m1 stop
C$ 400United Airlines
Find Deal
Sat, 8 Nov - Wed, 12 Nov

WestJet flights from Ottawa to Las Vegas

Our best WestJet deals on Ottawa to Las Vegas flight tickets
WestJet
17 Oct
YOW5:15 p.m.Ottawa
20h 25m
2 stops
LAS10:40 a.m.Las Vegas Harry Reid Intl
20 Oct
LAS9:10 p.m.Las Vegas Harry Reid Intl
16h 09m
2 stops
YOW4:19 p.m.Ottawa
C$ 358
Find similar
WestJet
27 Nov
YOW6:00 a.m.Ottawa
15h 11m
1 stop
LAS6:11 p.m.Las Vegas Harry Reid Intl
5 Dec
LAS1:10 p.m.Las Vegas Harry Reid Intl
8h 32m
1 stop
YOW12:42 a.m.Ottawa
C$ 362
Find similar
WestJet
27 Nov
YOW6:00 a.m.Ottawa
17h 15m
2 stops
LAS8:15 p.m.Las Vegas Harry Reid Intl
5 Dec
LAS1:10 p.m.Las Vegas Harry Reid Intl
8h 32m
1 stop
YOW12:42 a.m.Ottawa
C$ 365
Find similar

Porter Airlines flights from Ottawa to Las Vegas

Our best Porter Airlines deals on Ottawa to Las Vegas flight tickets
Porter Airlines
29 Oct
YOW6:45 a.m.Ottawa
7h 57m
1 stop
LAS11:42 a.m.Las Vegas Harry Reid Intl
4 Nov
LAS12:40 p.m.Las Vegas Harry Reid Intl
9h 01m
1 stop
YOW12:41 a.m.Ottawa
C$ 382
Find similar
Porter Airlines
26 Nov
YOW6:45 a.m.Ottawa
7h 57m
1 stop
LAS11:42 a.m.Las Vegas Harry Reid Intl
6 Dec
LAS11:05 p.m.Las Vegas Harry Reid Intl
15h 24m
1 stop
YOW5:29 p.m.Ottawa
C$ 392
Find similar
Porter Airlines
19 Oct
YOW2:20 p.m.Ottawa
10h 35m
1 stop
LAS9:55 p.m.Las Vegas Harry Reid Intl
25 Oct
LAS12:20 p.m.Las Vegas Harry Reid Intl
9h 01m
1 stop
YOW12:21 a.m.Ottawa
C$ 411
Find similar

momondo 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, momondo users made 96,600 searches. Data last updated 17 September 2025.
Use the filters below to find and compare flights from Ottawa to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 17/10

5:15 p.m.-10:40 a.m.

2 stops20h 25m

Las Vegas Harry Reid Intl

Mon 20/10

9:10 p.m.-4:19 p.m.

2 stops16h 09m

C$ 358

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 24/10

5:55 a.m.-11:39 a.m.

1 stop8h 44m

Las Vegas Harry Reid Intl

Mon 27/10

10:07 p.m.-5:25 p.m.

1 stop16h 18m

C$ 359

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 27/11

6:00 a.m.-6:11 p.m.

1 stop15h 11m

Las Vegas Harry Reid Intl

Fri 5/12

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

1 stop8h 32m

C$ 362

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 27/11

6:00 a.m.-8:15 p.m.

2 stops17h 15m

Las Vegas Harry Reid Intl

Fri 5/12

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

1 stop8h 32m

C$ 365

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Wed 29/10

6:45 a.m.-11:42 a.m.

1 stop7h 57m

Las Vegas Harry Reid Intl

Tue 4/11

12:40 p.m.-12:41 a.m.

1 stop9h 01m

C$ 382

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 28/11

2:50 p.m.-8:49 p.m.

1 stop8h 59m

Las Vegas Harry Reid Intl

Sat 6/12

4:45 p.m.-6:43 a.m.

1 stop10h 58m

C$ 388

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Wed 26/11

6:45 a.m.-11:42 a.m.

1 stop7h 57m

Las Vegas Harry Reid Intl

Sat 6/12

11:05 p.m.-5:29 p.m.

1 stop15h 24m

C$ 392

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 30/10

3:10 p.m.-11:52 p.m.

2 stops11h 42m

Las Vegas Harry Reid Intl

Sat 1/11

7:04 p.m.-11:26 a.m.

2 stops13h 22m

C$ 396

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 28/11

2:50 p.m.-8:49 p.m.

1 stop8h 59m

Las Vegas Harry Reid Intl

Sat 6/12

4:45 p.m.-9:23 a.m.

2 stops13h 38m

C$ 398

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sat 8/11

5:14 p.m.-9:49 p.m.

1 stop7h 35m

Las Vegas Harry Reid Intl

Wed 12/11

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

1 stop7h 27m

C$ 400

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Las Vegas from

How to get the cheapest flight ticket from Ottawa to Las Vegas

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Ottawa and Las Vegas?

What is the cheapest month to fly to Las Vegas?

If you’re not able to fly to Las Vegas in January, then May is your next best option. Flight prices from Ottawa to Las Vegas during May average around C$ 384.

What is the cheapest day to depart on your flight to Las Vegas?

The cheapest day to depart from Ottawa to Las Vegas is on a Monday. Travellers who choose to depart for Las Vegas on a Monday will often find tickets for as low as C$ 375. The most expensive day to fly to Las Vegas is Saturday, with ticket prices averaging around C$ 649.

What is the cheapest time of day to depart on your flight to Las Vegas?

The cheapest time of day to fly to Las Vegas is in the morning when flights can be purchased for as low as C$ 381. Try not to purchase tickets at noon because they tend to be around C$ 545. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Ottawa to Las Vegas Harry Reid Intl flight route?

Fly from Ottawa to Las Vegas Harry Reid Intl for the best Ottawa - Las Vegas Harry Reid Intl flight prices

How far in advance should I book a flight to Las Vegas?

You are more likely to see cheaper flights to Las Vegas from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around C$ 445 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Ottawa for as low as C$ 380 on momondo.

What cabin class options are available on Ottawa to Las Vegas Harry Reid Intl flights?

There is only 1 cabin class available to choose from on Ottawa to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ottawa to Las Vegas flights?

No. A direct flight is the cheapest option for a flight between Ottawa to Las Vegas.

How have Ottawa to Las Vegas flight prices changed over time?

As of September 2025, prices for Ottawa to Las Vegas flights are approximately 28% cheaper when compared to flights at the same time last year.

When to book flights from Ottawa to Las Vegas

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to Las Vegas according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ottawa to Las Vegas (YOW to LAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Las Vegas

Best price found

C$ 311

Direct flights

None
The best flight deal from Ottawa to Las Vegas found on momondo in the last 72 hours is C$ 311
There are no direct flights from Ottawa to Las Vegas. There are no popular flight routes from Ottawa to Las Vegas.
Search flight deals

  • How far is Ottawa to Las Vegas Harry Reid Intl by plane?

    The distance between Ottawa and Las Vegas Harry Reid Intl is about 3434.5 km. 7h 35m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Ottawa Airport to Las Vegas Harry Reid Intl Airport?

    Prices for flights from Ottawa Airport to Las Vegas Harry Reid Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Ottawa Airport to Las Vegas Harry Reid Intl Airport?

  • How old do you have to be to fly from Ottawa Airport to Las Vegas Harry Reid Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ottawa Airport to Las Vegas Harry Reid Intl Airport.

  • What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

    The travel and health documents you'll need for your trip to Las Vegas Harry Reid Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Ottawa to Las Vegas?

  • What is the most popular airline from Ottawa to Las Vegas?

Best airlines flying from Ottawa to Las Vegas

Compare and see reviews for airlines that fly from Ottawa to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
Porter AirlinesPriceFrom C$ 276Free CancellationRating
7.9
365 reviews
Search Porter Airlines flights
United AirlinesPriceFrom C$ 281Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
Air TransatPriceFrom C$ 282Free CancellationRating
7.7
439 reviews
Search Air Transat flights
WestJetPriceFrom C$ 285Free CancellationRating
7.2
3,095 reviews
Search WestJet flights
Air CanadaPriceFrom C$ 312Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
APG AirlinesPriceFrom C$ 551Free CancellationRating
0.0
0 reviews
Search APG Airlines flights

Travelling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Laughlin
Paradise
Mesquite
Boulder City
Henderson
North Las Vegas
Pahrump
Needles
Primm
Sunrise Manor

Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to Las Vegas?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ottawa to Las Vegas. momondo saves you time and could save you money on your trip.

Can I find flights from Ottawa to Las Vegas with flexible booking policies on momondo?

momondo does allow users to show only those flights to Las Vegas from Ottawa which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ottawa to Las Vegas?

Once you have performed a search for Ottawa to Las Vegas flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ottawa to Las Vegas right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ottawa to Las Vegas now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Las Vegas and let you know when they change.

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