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Cheap flights from Las Vegas to Ottawa from C$ 269

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — YOW
10 Apr — 17 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Las Vegas to Ottawa

Enter your travel dates to find the best prices.

Cheapest flights from Las Vegas to Ottawa
Explore the most affordable flight options available from Las Vegas to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 March 2026.

Sat 25/44:50 p.m.
LAS
-
YOW
1 stop10h 55m
Multiple Airlines
Sat 2/51:20 p.m.
YOW
-
LAS
1 stop11h 20m
Multiple Airlines
Deal found 11/3C$ 368
Wed 8/48:05 a.m.
LAS
-
YOW
2 stops13h 34m
Multiple Airlines
Sun 26/43:05 p.m.
YOW
-
LAS
1 stop9h 55m
Multiple Airlines
Deal found 6/3C$ 379
Thu 23/411:20 a.m.
LAS
-
YOW
1 stop10h 20m
WestJet
Sun 26/47:30 a.m.
YOW
-
LAS
2 stops12h 05m
WestJet
Deal found 10/3C$ 401
Sat 9/58:30 a.m.
LAS
-
YOW
1 stop18h 05m
Multiple Airlines
Sat 23/57:00 a.m.
YOW
-
LAS
1 stop7h 42m
Multiple Airlines
Deal found 10/3C$ 422
Wed 8/412:40 p.m.
LAS
-
YOW
1 stop9h 01m
Porter Airlines
Sun 26/43:05 p.m.
YOW
-
LAS
1 stop9h 55m
Porter Airlines
Deal found 6/3C$ 437
Wed 8/48:05 a.m.
LAS
-
YOW
2 stops13h 34m
WestJet
Sun 26/412:25 p.m.
YOW
-
LAS
2 stops12h 15m
WestJet
Deal found 6/3C$ 447
Thu 16/48:05 a.m.
LAS
-
YOW
2 stops13h 34m
WestJet
Tue 21/45:40 a.m.
YOW
-
LAS
2 stops15h 59m
WestJet
Deal found 7/3C$ 449
Tue 21/47:30 p.m.
LAS
-
YOW
2 stops26h 09m
WestJet
Tue 28/46:55 a.m.
YOW
-
LAS
1 stop7h 45m
WestJet
Deal found 8/3C$ 474
Mon 29/611:25 p.m.
LAS
-
YOW
1 stop6h 59m
Air Canada
Tue 7/73:20 p.m.
YOW
-
LAS
1 stop10h 04m
Air Canada
Deal found 10/3C$ 475

Find flight deals from Las Vegas to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to Ottawa (YOW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 March 2026.

Round-trip from

C$ 368

One-way from

C$ 269

Popular in

December

Cheapest in

May

Average price

C$ 683
WestJet
  • WestJet
  • 25/4-2/5
  • 2 total stops
  • 22h 15m total
  • Las Vegas to Ottawa
Search Deals
WestJet
  • WestJet
  • 16/7
  • 1 total stop
  • 7h 55m total
  • Las Vegas to Ottawa
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 149 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights 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, Cheapflights users made 629,999 searches. Data last updated 11 March 2026.
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

Cheapest round-trip

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 8/4

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

2 stops13h 34m

Ottawa

Sun 26/4

3:05 p.m.-10:00 p.m.

1 stop9h 55m

C$ 379

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 8/4

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

1 stop9h 01m

Ottawa

Sun 26/4

3:05 p.m.-10:00 p.m.

1 stop9h 55m

C$ 437

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Thu 9/4

11:59 p.m.-5:07 p.m.

1 stop14h 08m

Ottawa

Mon 13/4

6:25 a.m.-10:04 p.m.

1 stop18h 39m

C$ 515

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Sat 9/5

11:59 p.m.-1:59 p.m.

1 stop11h 00m

Ottawa

Wed 20/5

3:10 p.m.-10:15 p.m.

1 stop10h 05m

C$ 530

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Fri 8/5

11:59 p.m.-1:59 p.m.

1 stop11h 00m

Ottawa

Mon 25/5

3:10 p.m.-10:38 p.m.

1 stop10h 28m

C$ 530

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Sun 10/5

7:07 p.m.-6:55 p.m.

2 stops20h 48m

Ottawa

Fri 22/5

5:20 p.m.-11:53 p.m.

1 stop9h 33m

C$ 536

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Sun 10/5

7:07 p.m.-10:03 a.m.

2 stops11h 56m

Ottawa

Mon 25/5

5:20 p.m.-9:54 p.m.

1 stop7h 34m

C$ 536

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Thu 23/4

10:40 p.m.-9:11 a.m.

1 stop7h 31m

Ottawa

Sun 26/4

10:44 a.m.-10:04 p.m.

1 stop14h 20m

C$ 544

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 26/8

6:10 p.m.-5:35 a.m.

1 stop8h 25m

Ottawa

Sun 6/9

12:25 p.m.-9:40 p.m.

2 stops12h 15m

C$ 551
Quickest round-trip

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Mon 29/6

6:10 p.m.-5:35 a.m.

1 stop8h 25m

Ottawa

Tue 7/7

6:00 a.m.-12:55 p.m.

1 stop9h 55m

C$ 553

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/3

Showing 1-10 of 17 resultsSorted by cheapest first
1
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Best time to book a flight from Las Vegas to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Las Vegas with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Las Vegas to Ottawa

What is the cheapest month to book a flight from Las Vegas to Ottawa?

Currently, August is the cheapest month in which you can book a flight from Las Vegas to Ottawa (average of C$ 166). Flying from Las Vegas to Ottawa in October is currently the most expensive (average of C$ 426). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Las Vegas to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Las Vegas to Ottawa flight route?

    This flight path from Las Vegas Harry Reid Intl to Ottawa was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Las Vegas to Ottawa?

    A quick flight from Las Vegas to Ottawa can take about 9h 01m. Porter Airlines provides one of the quickest options available for as low as C$ 437. The distance from Las Vegas to Ottawa is about 3442 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Las Vegas to Ottawa one-way?

    The cheapest airline one-way is Porter Airlines, with whom users have recently found tickets for as low as C$ 112. However, be on the lookout for offers from WestJet and United Airlines, as they are both options that can get you from Las Vegas to Ottawa for a low price.

  • Can I find deals for flights from Las Vegas to Ottawa that include hotel bookings?

    Yes. In addition to deals on Las Vegas to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Las Vegas to Ottawa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to Ottawa.

  • Can I find deals for business class flights from Las Vegas to Ottawa?

    Yes. Cheapflights offers flight deals from Las Vegas to Ottawa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Las Vegas to Ottawa?

    Currently, August is the cheapest month in which you can book a flight from Las Vegas to Ottawa (average of C$ 166). Flying from Las Vegas to Ottawa in October is currently the most expensive (average of C$ 426). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Ottawa?

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

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Alternative routes for Las Vegas to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
Las Vegas to Pearson Intl flights
Las Vegas to Pierre Elliott Trudeau Intl flights
Reno to Pearson Intl flights
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Las Vegas to Region of Waterloo Intl flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Las Vegas to Ottawa?

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Why should you use Cheapflights to find cheap flight tickets from Las Vegas to Ottawa?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Las Vegas to Ottawa.

Can Cheapflights find flights from Las Vegas to Ottawa with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Las Vegas to Ottawa, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Las Vegas to Ottawa become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ottawa from Las Vegas today and book when prices fit your budget.

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