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Cheap flights from Las Vegas to Ottawa from C$ 114

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 15/4. 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.
WestJet Logo
6:20 p.m. - 6:55 a.m.
LAS
-
YOW
9h 35m1 stop
WestJet Logo
3:45 p.m. - 9:29 p.m.
YOW
-
LAS
8h 44m1 stop
C$ 317WestJet
Wed, 3 Jun - Sat, 13 Jun
Air Canada Logo
4:45 p.m. - 6:45 a.m.
LAS
-
YOW
11h 00m1 stop
Air Canada Logo
5:00 a.m. - 11:09 a.m.
YOW
-
LAS
9h 09m1 stop
C$ 355Air Canada
Sat, 18 Apr - Tue, 21 Apr
Air Canada Logo
11:30 p.m. - 9:23 a.m.
LAS
-
YOW
6h 53m1 stop
Air Canada Logo
2:50 p.m. - 8:39 p.m.
YOW
-
LAS
8h 49m1 stop
C$ 358Air Canada
Mon, 19 Jan - Sat, 24 Jan
Multiple Airlines Logo
12:40 p.m. - 12:42 a.m.
LAS
-
YOW
9h 02m1 stop
Multiple Airlines Logo
5:40 a.m. - 10:02 p.m.
YOW
-
LAS
19h 22m1 stop
C$ 362Multiple Airlines
Mon, 19 Jan - Sat, 24 Jan
Air Canada Logo
11:30 p.m. - 11:04 a.m.
LAS
-
YOW
8h 34m1 stop
Air Canada Logo
6:00 a.m. - 11:09 a.m.
YOW
-
LAS
8h 09m1 stop
C$ 365Air Canada
Sat, 18 Apr - Tue, 21 Apr
WestJet Logo
7:05 p.m. - 4:53 p.m.
LAS
-
YOW
18h 48m1 stop
WestJet Logo
5:40 a.m. - 6:13 p.m.
YOW
-
LAS
15h 33m2 stops
C$ 368WestJet
Wed, 4 Feb - Sun, 8 Feb
WestJet Logo
11:25 p.m. - 12:42 a.m.
LAS
-
YOW
22h 17m1 stop
WestJet Logo
5:40 a.m. - 8:15 p.m.
YOW
-
LAS
41h 35m2 stops
C$ 371WestJet
Mon, 19 Jan - Sat, 24 Jan
WestJet Logo
7:05 p.m. - 12:42 a.m.
LAS
-
YOW
26h 37m2 stops
WestJet Logo
5:40 a.m. - 8:15 p.m.
YOW
-
LAS
41h 35m2 stops
C$ 372WestJet
Mon, 19 Jan - Sat, 24 Jan
United Airlines Logo
11:35 p.m. - 10:03 a.m.
LAS
-
YOW
7h 28m1 stop
United Airlines Logo
6:00 a.m. - 6:07 p.m.
YOW
-
LAS
15h 07m2 stops
C$ 375United Airlines
Sat, 18 Apr - Tue, 21 Apr
United Airlines Logo
11:50 p.m. - 6:52 p.m.
LAS
-
YOW
16h 02m1 stop
United Airlines Logo
5:11 p.m. - 9:59 p.m.
YOW
-
LAS
7h 48m1 stop
C$ 379United Airlines
Wed, 4 Feb - Sun, 8 Feb

WestJet flights from Las Vegas to Ottawa

Our best WestJet deals on Las Vegas to Ottawa flight tickets
WestJet
3 Jun
LAS6:20 p.m.Las Vegas Harry Reid Intl
9h 35m
1 stop
YOW6:55 a.m.Ottawa
13 Jun
YOW3:45 p.m.Ottawa
8h 44m
1 stop
LAS9:29 p.m.Las Vegas Harry Reid Intl
C$ 317
Find similar
WestJet
4 Feb
LAS7:05 p.m.Las Vegas Harry Reid Intl
18h 48m
1 stop
YOW4:53 p.m.Ottawa
8 Feb
YOW5:40 a.m.Ottawa
15h 33m
2 stops
LAS6:13 p.m.Las Vegas Harry Reid Intl
C$ 368
Find similar
WestJet
19 Jan
LAS11:25 p.m.Las Vegas Harry Reid Intl
22h 17m
1 stop
YOW12:42 a.m.Ottawa
24 Jan
YOW5:40 a.m.Ottawa
41h 35m
2 stops
LAS8:15 p.m.Las Vegas Harry Reid Intl
C$ 371
Find similar

Air Canada flights from Las Vegas to Ottawa

Our best Air Canada deals on Las Vegas to Ottawa flight tickets
Air Canada
18 Apr
LAS4:45 p.m.Las Vegas Harry Reid Intl
11h 00m
1 stop
YOW6:45 a.m.Ottawa
21 Apr
YOW5:00 a.m.Ottawa
9h 09m
1 stop
LAS11:09 a.m.Las Vegas Harry Reid Intl
C$ 355
Find similar
Air Canada
19 Jan
LAS11:30 p.m.Las Vegas Harry Reid Intl
6h 53m
1 stop
YOW9:23 a.m.Ottawa
24 Jan
YOW2:50 p.m.Ottawa
8h 49m
1 stop
LAS8:39 p.m.Las Vegas Harry Reid Intl
C$ 358
Find similar
Air Canada
18 Apr
LAS11:30 p.m.Las Vegas Harry Reid Intl
8h 34m
1 stop
YOW11:04 a.m.Ottawa
21 Apr
YOW6:00 a.m.Ottawa
8h 09m
1 stop
LAS11:09 a.m.Las Vegas Harry Reid Intl
C$ 365
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 96,600 searches. Data last updated 18 December 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 3/6

6:20 p.m.-6:55 a.m.

1 stop9h 35m

Ottawa

Sat 13/6

3:45 p.m.-9:29 p.m.

1 stop8h 44m

C$ 317

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Sat 18/4

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

1 stop11h 00m

Ottawa

Tue 21/4

5:00 a.m.-11:09 a.m.

1 stop9h 09m

C$ 355

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Mon 19/1

11:30 p.m.-9:23 a.m.

1 stop6h 53m

Ottawa

Sat 24/1

2:50 p.m.-8:39 p.m.

1 stop8h 49m

C$ 358

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Mon 19/1

12:40 p.m.-12:42 a.m.

1 stop9h 02m

Ottawa

Sat 24/1

5:40 a.m.-10:02 p.m.

1 stop19h 22m

C$ 362

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Sat 18/4

11:30 p.m.-11:04 a.m.

1 stop8h 34m

Ottawa

Tue 21/4

6:00 a.m.-11:09 a.m.

1 stop8h 09m

C$ 365

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 4/2

7:05 p.m.-4:53 p.m.

1 stop18h 48m

Ottawa

Sun 8/2

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

2 stops15h 33m

C$ 368

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Mon 19/1

11:25 p.m.-12:42 a.m.

1 stop22h 17m

Ottawa

Sat 24/1

5:40 a.m.-8:15 p.m.

2 stops41h 35m

C$ 371

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Mon 19/1

7:05 p.m.-12:42 a.m.

2 stops26h 37m

Ottawa

Sat 24/1

5:40 a.m.-8:15 p.m.

2 stops41h 35m

C$ 372

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Sat 18/4

11:35 p.m.-10:03 a.m.

1 stop7h 28m

Ottawa

Tue 21/4

6:00 a.m.-6:07 p.m.

2 stops15h 07m

C$ 375

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 4/2

11:50 p.m.-6:52 p.m.

1 stop16h 02m

Ottawa

Sun 8/2

5:11 p.m.-9:59 p.m.

1 stop7h 48m

C$ 379

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?

The month of April is, on average, the cheapest month to fly to Ottawa from Las Vegas, with most prices found around C$ 378. If you aren’t able to travel to Ottawa during the month of April, then flying in March is also cheap. Prices for this month can be found on momondo for an average of C$ 386.

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

Our data shows that Tuesday is the least expensive day to fly to Ottawa. Tickets to fly out on this day can be as low as C$ 213. Flights from Las Vegas to Ottawa on a Monday will generally be more expensive and average around C$ 397. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Ottawa is in the morning. Flights from Las Vegas to Ottawa during this time can be as low as C$ 213. In the evening is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 819 per ticket.

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 are 3 cabin classes 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 December 2025, prices for Las Vegas to Ottawa flights are approximately 397% 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

Fastest flight time

7h 12m

Direct flights

None
The fastest flight from Las Vegas to Ottawa takes 7h 12m
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?

    Ottawa is 3434.5 km away from Las Vegas Harry Reid Intl. 7h 12m is a normal flight duration for this route.

  • 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 were last updated today.

  • 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 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 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 C$ 375Free CancellationRating
8.0
399 reviews
Search Porter Airlines flights

Travelling to a place near Ottawa?

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

Why use momondo?

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

It is quick and easy to find Las Vegas to Ottawa flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ottawa that suits you.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ottawa from Las Vegas.

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

Yes momondo offers price alerts on flights to Ottawa from Las Vegas. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Ottawa trip

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