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Cheap flights from Ottawa to Las Vegas from C$ 200

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 9/3. 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

Enter your travel dates to find the best prices.
WestJet Logo
5:40 a.m. - 10:12 p.m.
YOW
-
LAS
19h 32m
1 stop
WestJet Logo
8:05 a.m. - 12:39 a.m.
LAS
-
YOW
13h 34m
2 stops
C$ 299WestJet
Thu, 26 Feb - Mon, 2 Mar
WestJet Logo
5:40 a.m. - 6:13 p.m.
YOW
-
LAS
15h 33m
2 stops
WestJet Logo
9:10 p.m. - 5:35 p.m.
LAS
-
YOW
17h 25m
2 stops
C$ 303WestJet
Thu, 23 Apr - Mon, 27 Apr
WestJet Logo
5:40 a.m. - 6:13 p.m.
YOW
-
LAS
15h 33m
2 stops
WestJet Logo
8:00 a.m. - 12:39 a.m.
LAS
-
YOW
13h 39m
2 stops
C$ 310WestJet
Tue, 24 Feb - Tue, 3 Mar
WestJet Logo
5:40 a.m. - 8:33 p.m.
YOW
-
LAS
18h 53m
2 stops
WestJet Logo
8:05 a.m. - 12:39 a.m.
LAS
-
YOW
13h 34m
2 stops
C$ 326WestJet
Sun, 8 Mar - Thu, 12 Mar
WestJet Logo
5:40 a.m. - 9:12 p.m.
YOW
-
LAS
19h 32m
1 stop
WestJet Logo
8:05 a.m. - 12:39 a.m.
LAS
-
YOW
13h 34m
2 stops
C$ 328WestJet
Sun, 8 Mar - Thu, 12 Mar
WestJet Logo
5:40 a.m. - 10:12 p.m.
YOW
-
LAS
19h 32m
1 stop
WestJet Logo
8:00 a.m. - 12:39 a.m.
LAS
-
YOW
13h 39m
2 stops
C$ 332WestJet
Thu, 26 Feb - Wed, 4 Mar
WestJet Logo
5:40 a.m. - 10:12 p.m.
YOW
-
LAS
19h 32m
1 stop
WestJet Logo
11:25 p.m. - 12:39 a.m.
LAS
-
YOW
22h 14m
1 stop
C$ 335WestJet
Thu, 26 Feb - Mon, 2 Mar
WestJet Logo
5:40 a.m. - 9:33 p.m.
YOW
-
LAS
18h 53m
2 stops
WestJet Logo
9:10 p.m. - 5:35 p.m.
LAS
-
YOW
17h 25m
2 stops
C$ 336WestJet
Thu, 23 Apr - Mon, 27 Apr
WestJet Logo
5:40 a.m. - 6:13 p.m.
YOW
-
LAS
15h 33m
2 stops
WestJet Logo
1:10 p.m. - 12:39 a.m.
LAS
-
YOW
32h 29m
2 stops
C$ 337WestJet
Wed, 18 Feb - Wed, 25 Feb
WestJet Logo
5:40 a.m. - 10:12 p.m.
YOW
-
LAS
19h 32m
1 stop
WestJet Logo
8:00 a.m. - 12:39 a.m.
LAS
-
YOW
13h 39m
2 stops
C$ 339WestJet
Thu, 26 Feb - Tue, 3 Mar

Air Canada flights from Ottawa to Las Vegas

Our best Air Canada deals on Ottawa to Las Vegas flight tickets
Air Canada
24 Feb
YOW5:50 p.m.Ottawa
9h 14m
1 stop
LAS12:04 a.m.Las Vegas Harry Reid Intl
4 Mar
LAS4:45 p.m.Las Vegas Harry Reid Intl
10h 58m
1 stop
YOW6:43 a.m.Ottawa
C$ 429
Air Canada
2 Feb
YOW7:15 a.m.Ottawa
18h 16m
1 stop
LAS10:31 p.m.Las Vegas Harry Reid Intl
11 Feb
LAS4:45 p.m.Las Vegas Harry Reid Intl
10h 58m
1 stop
YOW6:43 a.m.Ottawa
C$ 541
Air Canada
2 Feb
YOW10:30 a.m.Ottawa
13h 02m
2 stops
LAS8:32 p.m.Las Vegas Harry Reid Intl
11 Feb
LAS7:30 a.m.Las Vegas Harry Reid Intl
10h 48m
2 stops
YOW9:18 p.m.Ottawa
C$ 570

WestJet flights from Ottawa to Las Vegas

Our best WestJet deals on Ottawa to Las Vegas flight tickets
WestJet
26 Feb
YOW5:40 a.m.Ottawa
19h 32m
1 stop
LAS10:12 p.m.Las Vegas Harry Reid Intl
2 Mar
LAS8:05 a.m.Las Vegas Harry Reid Intl
13h 34m
2 stops
YOW12:39 a.m.Ottawa
C$ 299
WestJet
23 Apr
YOW5:40 a.m.Ottawa
15h 33m
2 stops
LAS6:13 p.m.Las Vegas Harry Reid Intl
27 Apr
LAS9:10 p.m.Las Vegas Harry Reid Intl
17h 25m
2 stops
YOW5:35 p.m.Ottawa
C$ 303
WestJet
24 Feb
YOW5:40 a.m.Ottawa
15h 33m
2 stops
LAS6:13 p.m.Las Vegas Harry Reid Intl
4 Mar
LAS8:00 a.m.Las Vegas Harry Reid Intl
13h 39m
2 stops
YOW12:39 a.m.Ottawa
C$ 310

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 21 January 2026.
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

Thu 26/2

5:40 a.m.-10:12 p.m.

1 stop19h 32m

Las Vegas Harry Reid Intl

Mon 2/3

8:05 a.m.-12:39 a.m.

2 stops13h 34m

C$ 299

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 23/4

5:40 a.m.-6:13 p.m.

2 stops15h 33m

Las Vegas Harry Reid Intl

Mon 27/4

9:10 p.m.-5:35 p.m.

2 stops17h 25m

C$ 303

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 24/2

5:40 a.m.-6:13 p.m.

2 stops15h 33m

Las Vegas Harry Reid Intl

Tue 3/3

8:00 a.m.-12:39 a.m.

2 stops13h 39m

C$ 310

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sun 8/3

5:40 a.m.-8:33 p.m.

2 stops18h 53m

Las Vegas Harry Reid Intl

Thu 12/3

8:05 a.m.-12:39 a.m.

2 stops13h 34m

C$ 326

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sun 8/3

5:40 a.m.-9:12 p.m.

1 stop19h 32m

Las Vegas Harry Reid Intl

Thu 12/3

8:05 a.m.-12:39 a.m.

2 stops13h 34m

C$ 328

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 26/2

5:40 a.m.-10:12 p.m.

1 stop19h 32m

Las Vegas Harry Reid Intl

Wed 4/3

8:00 a.m.-12:39 a.m.

2 stops13h 39m

C$ 332

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 26/2

5:40 a.m.-10:12 p.m.

1 stop19h 32m

Las Vegas Harry Reid Intl

Mon 2/3

11:25 p.m.-12:39 a.m.

1 stop22h 14m

C$ 335

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 23/4

5:40 a.m.-9:33 p.m.

2 stops18h 53m

Las Vegas Harry Reid Intl

Mon 27/4

9:10 p.m.-5:35 p.m.

2 stops17h 25m

C$ 336

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Wed 18/2

5:40 a.m.-6:13 p.m.

2 stops15h 33m

Las Vegas Harry Reid Intl

Wed 25/2

1:10 p.m.-12:39 a.m.

2 stops32h 29m

C$ 337

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 26/2

5:40 a.m.-10:12 p.m.

1 stop19h 32m

Las Vegas Harry Reid Intl

Tue 3/3

8:00 a.m.-12:39 a.m.

2 stops13h 39m

C$ 339

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 cheapest month to fly to Las Vegas?

If you’re not able to fly to Las Vegas in May, then January is your next best option. Flight prices from Ottawa to Las Vegas during January average around C$ 383.

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$ 353. The most expensive day to fly to Las Vegas is Friday, with ticket prices averaging around C$ 421.

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$ 383. Try not to purchase tickets in the afternoon because they tend to be around C$ 404. 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$ 441 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$ 351 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?

You could potentially save up to 21% on your flight if you consider stops on a Ottawa to Las Vegas flight.

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

As of January 2026, prices for Ottawa to Las Vegas flights are approximately 92% more expensive 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$ 503

Fastest flight time

7h 42m

Direct flights

None
The best flight deal from Ottawa to Las Vegas found on momondo in the last 72 hours is C$ 503
The fastest flight from Ottawa to Las Vegas takes 7h 42m
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 42m 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
Air CanadaPriceFrom C$ 191Free CancellationRating
7.1
10,646 reviews
Search Air Canada flights
Air TransatPriceFrom C$ 262Free CancellationRating
7.7
499 reviews
Search Air Transat flights
Porter AirlinesPriceFrom C$ 262Free CancellationRating
7.9
412 reviews
Search Porter Airlines flights
United AirlinesPriceFrom C$ 263Free CancellationRating
7.4
9,191 reviews
Search United Airlines flights
WestJetPriceFrom C$ 285Free CancellationRating
7.2
3,247 reviews
Search WestJet flights
APG AirlinesPriceFrom C$ 553Free 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
Henderson
Boulder City
Pahrump
Needles
North Las Vegas
Winchester
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.

An easier way to manage your Las Vegas trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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