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Cheap flights from Las Vegas to Ottawa from $109

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 10/19. 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

WestJet Logo
12:35 pm - 12:22 amLAS-YOW
8h 47m1 stop
WestJet Logo
3:45 pm - 9:29 pmYOW-LAS
8h 44m1 stop
$189WestJet
Find Deal
Wed, Oct 8 - Sun, Oct 12
WestJet Logo
12:35 pm - 12:22 amLAS-YOW
8h 47m1 stop
WestJet Logo
7:50 am - 7:37 pmYOW-LAS
14h 47m2 stops
$199WestJet
Find Deal
Wed, Oct 8 - Sun, Oct 12
Porter Airlines Logo
12:20 pm - 12:21 amLAS-YOW
9h 01m1 stop
Porter Airlines Logo
5:05 pm - 9:55 pmYOW-LAS
7h 50m1 stop
$212Porter Airlines
Find Deal
Wed, Oct 8 - Sun, Oct 12
United Airlines Logo
12:59 am - 5:06 pmLAS-YOW
13h 07m2 stops
United Airlines Logo
12:30 pm - 8:18 pmYOW-LAS
10h 48m1 stop
$250United Airlines
Find Deal
Tue, Oct 14 - Wed, Oct 22
United Airlines Logo
12:59 am - 5:06 pmLAS-YOW
13h 07m2 stops
United Airlines Logo
6:05 am - 5:52 pmYOW-LAS
14h 47m2 stops
$255United Airlines
Find Deal
Tue, Oct 14 - Wed, Oct 22
Multiple Airlines Logo
11:20 am - 12:40 amLAS-YOW
10h 20m1 stop
Multiple Airlines Logo
6:45 am - 11:42 amYOW-LAS
7h 57m1 stop
$332Multiple Airlines
Find Deal
Fri, Feb 13 - Wed, Feb 18
Air Canada Logo
4:45 pm - 6:43 amLAS-YOW
10h 58m1 stop
Air Canada Logo
2:50 pm - 8:49 pmYOW-LAS
8h 59m1 stop
$337Air Canada
Find Deal
Thu, Feb 19 - Sun, Feb 22
Multiple Airlines Logo
8:10 pm - 12:22 amLAS-YOW
25h 12m3 stops
Multiple Airlines Logo
5:55 am - 8:21 pmYOW-LAS
17h 26m2 stops
$343Multiple Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
Air Canada Logo
4:45 pm - 6:43 amLAS-YOW
10h 58m1 stop
Air Canada Logo
2:50 pm - 8:49 pmYOW-LAS
8h 59m1 stop
$348Air Canada
Find Deal
Thu, Feb 19 - Sun, Feb 22
Porter Airlines Logo
12:40 pm - 12:41 amLAS-YOW
9h 01m1 stop
Porter Airlines Logo
6:45 am - 11:42 amYOW-LAS
7h 57m1 stop
$462Porter Airlines
Find Deal
Sat, Dec 27 - Sat, Jan 3

WestJet flights from Las Vegas to Ottawa

Our best WestJet deals on Las Vegas to Ottawa flight tickets
WestJet
Oct 8
LAS12:35 pmLas Vegas Harry Reid Intl
8h 47m
1 stop
YOW12:22 amOttawa
Oct 12
YOW3:45 pmOttawa
8h 44m
1 stop
LAS9:29 pmLas Vegas Harry Reid Intl
$189
Find similar
WestJet
Oct 8
LAS12:35 pmLas Vegas Harry Reid Intl
8h 47m
1 stop
YOW12:22 amOttawa
Oct 12
YOW7:50 amOttawa
14h 47m
2 stops
LAS7:37 pmLas Vegas Harry Reid Intl
$199
Find similar
WestJet
Oct 15
LAS8:30 pmLas Vegas Harry Reid Intl
16h 49m
1 stop
YOW4:19 pmOttawa
Oct 22
YOW3:45 pmOttawa
8h 44m
1 stop
LAS9:29 pmLas Vegas Harry Reid Intl
$204
Find similar

Air Canada flights from Las Vegas to Ottawa

Our best Air Canada deals on Las Vegas to Ottawa flight tickets
Air Canada
Feb 19
LAS4:45 pmLas Vegas Harry Reid Intl
10h 58m
1 stop
YOW6:43 amOttawa
Feb 22
YOW2:50 pmOttawa
8h 59m
1 stop
LAS8:49 pmLas Vegas Harry Reid Intl
$337
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 59m
1 stop
LAS8:49 pmLas Vegas Harry Reid Intl
$348
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 59m
1 stop
LAS8:49 pmLas Vegas Harry Reid Intl
$370
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 September 17, 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

Wed 10/8

12:35 pm-12:22 am

1 stop8h 47m

Ottawa

Sun 10/12

3:45 pm-9:29 pm

1 stop8h 44m

$189

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 10/8

12:35 pm-12:22 am

1 stop8h 47m

Ottawa

Sun 10/12

7:50 am-7:37 pm

2 stops14h 47m

$199

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 10/8

12:20 pm-12:21 am

1 stop9h 01m

Ottawa

Sun 10/12

5:05 pm-9:55 pm

1 stop7h 50m

$212

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Tue 10/14

12:59 am-5:06 pm

2 stops13h 07m

Ottawa

Wed 10/22

12:30 pm-8:18 pm

1 stop10h 48m

$250

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Tue 10/14

12:59 am-5:06 pm

2 stops13h 07m

Ottawa

Wed 10/22

6:05 am-5:52 pm

2 stops14h 47m

$255

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Fri 2/13

11:20 am-12:40 am

1 stop10h 20m

Ottawa

Wed 2/18

6:45 am-11:42 am

1 stop7h 57m

$332

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Thu 2/19

4:45 pm-6:43 am

1 stop10h 58m

Ottawa

Sun 2/22

2:50 pm-8:49 pm

1 stop8h 59m

$337

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 10/15

8:10 pm-12:22 am

3 stops25h 12m

Ottawa

Wed 10/22

5:55 am-8:21 pm

2 stops17h 26m

$343

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Thu 2/19

4:45 pm-6:43 am

1 stop10h 58m

Ottawa

Sun 2/22

2:50 pm-8:49 pm

1 stop8h 59m

$348

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Sat 12/27

12:40 pm-12:41 am

1 stop9h 01m

Ottawa

Sat 1/3

6:45 am-11:42 am

1 stop7h 57m

$462

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, February 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 $272. The month of April is another great option to travel to Ottawa, with average flight prices from Las Vegas averaging around $274.

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 $299. 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 September 2025, prices for Las Vegas to Ottawa flights are approximately 32% cheaper 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 7h 38m.

  • 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 $158Free CancellationRating
7.9
365 reviews
Search Porter Airlines flights
WestJetPriceFrom $239Free CancellationRating
7.2
3,093 reviews
Search WestJet flights
Air CanadaPriceFrom $285Free CancellationRating
7.1
10,000 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
Pembroke
Petawawa
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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