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Cheap flights from Las Vegas to Ottawa from $145

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to Ottawa departing on 1/10. 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 Las Vegas to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
4:45 pm - 9:23 amLAS-YOW
13h 38m2 stops
Air Canada Logo
7:45 am - 3:59 pmYOW-LAS
11h 14m1 stop
$302Air Canada
Find Deal
Thu, Nov 27 - Wed, Dec 3
Air Canada Logo
11:30 pm - 9:23 amLAS-YOW
6h 53m1 stop
Air Canada Logo
2:50 pm - 8:39 pmYOW-LAS
8h 49m1 stop
$308Air Canada
Find Deal
Thu, Nov 27 - Wed, Dec 3
United Airlines Logo
11:59 pm - 5:12 pmLAS-YOW
14h 13m1 stop
United Airlines Logo
7:30 pm - 10:33 amYOW-LAS
18h 03m1 stop
$345United Airlines
Find Deal
Mon, Dec 15 - Tue, Dec 16
WestJet Logo
8:05 am - 12:39 amLAS-YOW
13h 34m2 stops
WestJet Logo
7:15 pm - 8:16 pmYOW-LAS
28h 01m2 stops
$348WestJet
Find Deal
Fri, Mar 13 - Fri, Mar 20
WestJet Logo
9:15 pm - 6:21 pmLAS-YOW
18h 06m2 stops
WestJet Logo
5:40 am - 9:31 pmYOW-LAS
18h 51m2 stops
$350WestJet
Find Deal
Thu, Nov 27 - Wed, Dec 3
United Airlines Logo
11:59 pm - 5:12 pmLAS-YOW
14h 13m1 stop
United Airlines Logo
7:30 pm - 9:40 amYOW-LAS
17h 10m2 stops
$355United Airlines
Find Deal
Mon, Dec 15 - Tue, Dec 16
WestJet Logo
8:05 am - 12:40 amLAS-YOW
13h 35m1 stop
WestJet Logo
5:40 am - 10:12 pmYOW-LAS
19h 32m1 stop
$359WestJet
Find Deal
Fri, Mar 13 - Fri, Mar 20
Multiple Airlines Logo
8:05 am - 12:39 amLAS-YOW
13h 34m2 stops
Multiple Airlines Logo
6:55 pm - 8:16 pmYOW-LAS
28h 21m3 stops
$496Multiple Airlines
Find Deal
Fri, Mar 13 - Fri, Mar 20
Multiple Airlines Logo
11:20 am - 8:25 amLAS-YOW
18h 05m2 stops
Multiple Airlines Logo
3:00 pm - 12:19 pmYOW-LAS
24h 19m3 stops
$607Multiple Airlines
Find Deal
Mon, Dec 15 - Tue, Dec 16
American Airlines Logo
7:00 am - 12:41 amLAS-YOW
14h 41m3 stops
American Airlines Logo
6:45 am - 7:20 pmYOW-LAS
15h 35m3 stops
$989American Airlines
Find Deal
Mon, Dec 15 - Tue, Dec 16

United Airlines flights from Las Vegas to Ottawa

Our best United Airlines deals on Las Vegas to Ottawa flight tickets
United Airlines
Dec 15
LAS11:59 pmLas Vegas Harry Reid Intl
14h 13m
1 stop
YOW5:12 pmOttawa
Dec 16
YOW7:30 pmOttawa
18h 03m
1 stop
LAS10:33 amLas Vegas Harry Reid Intl
$345
Find similar
United Airlines
Dec 15
LAS11:59 pmLas Vegas Harry Reid Intl
14h 13m
1 stop
YOW5:12 pmOttawa
Dec 16
YOW7:30 pmOttawa
17h 10m
2 stops
LAS9:40 amLas Vegas Harry Reid Intl
$355
Find similar
United Airlines
Dec 15
LAS1:35 pmLas Vegas Harry Reid Intl
17h 51m
2 stops
YOW10:26 amOttawa
Dec 16
YOW2:17 pmOttawa
12h 42m
2 stops
LAS11:59 pmLas Vegas Harry Reid Intl
$360
Find similar

Air Canada flights from Las Vegas to Ottawa

Our best Air Canada deals on Las Vegas to Ottawa flight tickets
Air Canada
Nov 27
LAS4:45 pmLas Vegas Harry Reid Intl
13h 38m
2 stops
YOW9:23 amOttawa
Dec 3
YOW7:45 amOttawa
11h 14m
1 stop
LAS3:59 pmLas Vegas Harry Reid Intl
$302
Find similar
Air Canada
Nov 27
LAS11:30 pmLas Vegas Harry Reid Intl
6h 53m
1 stop
YOW9:23 amOttawa
Dec 3
YOW2:50 pmOttawa
8h 49m
1 stop
LAS8:39 pmLas Vegas Harry Reid Intl
$308
Find similar
Air Canada
Feb 19
LAS4:45 pmLas Vegas Harry Reid Intl
10h 58m
1 stop
YOW6:43 amOttawa
Feb 22
YOW2:50 pmOttawa
8h 49m
1 stop
LAS8:39 pmLas Vegas Harry Reid Intl
$402
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from Las Vegas to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Thu 11/27

4:45 pm-9:23 am

2 stops13h 38m

Ottawa

Wed 12/3

7:45 am-3:59 pm

1 stop11h 14m

$302

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Thu 11/27

11:30 pm-9:23 am

1 stop6h 53m

Ottawa

Wed 12/3

2:50 pm-8:39 pm

1 stop8h 49m

$308

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Mon 12/15

11:59 pm-5:12 pm

1 stop14h 13m

Ottawa

Tue 12/16

7:30 pm-10:33 am

1 stop18h 03m

$345

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Fri 3/13

8:05 am-12:39 am

2 stops13h 34m

Ottawa

Fri 3/20

7:15 pm-8:16 pm

2 stops28h 01m

$348

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Thu 11/27

9:15 pm-6:21 pm

2 stops18h 06m

Ottawa

Wed 12/3

5:40 am-9:31 pm

2 stops18h 51m

$350

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Mon 12/15

11:59 pm-5:12 pm

1 stop14h 13m

Ottawa

Tue 12/16

7:30 pm-9:40 am

2 stops17h 10m

$355

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Fri 3/13

8:05 am-12:40 am

1 stop13h 35m

Ottawa

Fri 3/20

5:40 am-10:12 pm

1 stop19h 32m

$359

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Fri 3/13

8:05 am-12:39 am

2 stops13h 34m

Ottawa

Fri 3/20

6:55 pm-8:16 pm

3 stops28h 21m

$496

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Mon 12/15

11:20 am-8:25 am

2 stops18h 05m

Ottawa

Tue 12/16

3:00 pm-12:19 pm

3 stops24h 19m

$607

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Mon 12/15

7:00 am-12:41 am

3 stops14h 41m

Ottawa

Tue 12/16

6:45 am-7:20 pm

3 stops15h 35m

$989

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 Ottawa from

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

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 Ottawa?

In general, April is the cheapest month to fly from Las Vegas to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $274. The month of October is another great option to travel to Ottawa, with average flight prices from Las Vegas averaging around $282.

What is the cheapest day to depart on your flight to Ottawa?

The cheapest day to depart from Las Vegas to Ottawa is on a Sunday. Travelers who choose to depart for Ottawa on a Sunday will often find tickets for as low as $200. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Ottawa on Saturday is $400.

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

In the morning is the cheapest time of day to fly from Las Vegas to Ottawa when you can find flight prices for as low as $293. Flying to Ottawa in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $537 on average. Flights to Ottawa from Las Vegas in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

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

There is only 1 cabin class available to choose from on Las Vegas Harry Reid Intl to Ottawa 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 Las Vegas to Ottawa flights?

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

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

As of November 2025, prices for Las Vegas to Ottawa flights are approximately 180% more expensive when compared to flights at the same time last year.

When to book flights from Las Vegas to Ottawa

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

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

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

Direct flights

None
There are no direct flights from Las Vegas to Ottawa. There are no popular flight routes from Las Vegas to Ottawa.
Search flight deals

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

    The distance between Las Vegas Harry Reid Intl and Ottawa is about 2134.1 mi. By plane, this route typically takes 6h 53m.

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

    Prices for flights from Las Vegas Harry Reid Intl Airport to Ottawa Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport to Ottawa Airport.

  • What documentation or ID do you need to fly to Ottawa Airport?

    The travel and health documents you'll need for your trip to Ottawa 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 Ottawa 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 Las Vegas to Ottawa?

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

Best airlines flying from Las Vegas to Ottawa

Compare and see reviews for airlines that fly from Las Vegas to Ottawa with momondo
Airline
Rating
Free Cancellation
Price
Porter AirlinesPriceFrom $154Free CancellationRating
8.0
384 reviews
Search Porter Airlines flights
WestJetPriceFrom $239Free CancellationRating
7.2
3,153 reviews
Search WestJet flights
Air CanadaPriceFrom $285Free CancellationRating
7.1
10,394 reviews
Search Air Canada flights

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Smiths Falls
Calabogie
Brockville
Petawawa
Pembroke
Perth
Prescott
Winchester
Wakefield

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Las Vegas to Ottawa for you.

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

All flight searches from Las Vegas to Ottawa on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Las Vegas to Ottawa 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 Las Vegas to Ottawa right now. Can momondo alert me if prices change?

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

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