Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Las Vegas to Ottawa from C$ 147

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 22/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — YOW
4 May — 11 May1
1 adult

Cheap 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 29 April 2025.

Round-trip from

C$ 317

One-way from

C$ 147

Popular in

August

Cheapest in

February

Average price

C$ 380

Good round-trip deal

C$ 215 or less

Good one-way deal

C$ 143 or less
WestJet
  • WestJet
  • 11/6-15/6
  • 1 total stop
  • 13h 20m total
  • Las Vegas to Ottawa
Search Deals
WestJet
  • WestJet
  • 22/7
  • 1 total stop
  • 9h 25m total
  • Las Vegas to Ottawa
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (C$ 250 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease (C$ 77 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to Ottawa.
Search Deals
Price to beat on a one-way flight from Las Vegas Harry Reid Intl to Ottawa.
Search Deals

Find flight deals from Las Vegas to Ottawa

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 29 April 2025.

Wed 11/612:20 p.m.LAS - YOW
Nonstop4h 35mMultiple Airlines
Sun 15/63:45 p.m.YOW - LAS
1 stop8h 45mMultiple Airlines
Deal found 28/4C$ 317
Wed 11/66:20 p.m.LAS - YOW
1 stop9h 25mWestJet
Sun 15/63:45 p.m.YOW - LAS
1 stop8h 45mWestJet
Deal found 28/4C$ 319
Tue 10/612:59 a.m.LAS - YOW
2 stops10h 28mUnited Airlines
Sat 28/65:25 p.m.YOW - LAS
2 stops18h 18mUnited Airlines
Deal found 28/4C$ 646
Fri 19/910:55 p.m.LAS - YOW
3 stops15h 51mPorter Airlines
Sun 21/96:30 p.m.YOW - LAS
2 stops17h 23mPorter Airlines
Deal found 27/4C$ 676

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 29 April 2025.
Use the filters below to find and compare flights from Las Vegas to Ottawa that are best for you.

Fly from

Las Vegas

Fly to

Ottawa

Route

Depart

Return

Price

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 11/6

12:20 p.m.-7:55 p.m.

Nonstop4h 35m

Ottawa

Sun 15/6

3:45 p.m.-9:30 p.m.

1 stop8h 45m

C$ 317

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 11/6

6:20 p.m.-6:45 a.m.

1 stop9h 25m

Ottawa

Sun 15/6

3:45 p.m.-9:30 p.m.

1 stop8h 45m

C$ 319

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Tue 10/6

12:59 a.m.-2:27 p.m.

2 stops10h 28m

Ottawa

Sat 28/6

5:25 p.m.-8:43 a.m.

2 stops18h 18m

C$ 646

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 11/6

10:55 p.m.-5:50 p.m.

3 stops15h 55m

Ottawa

Sat 28/6

8:40 a.m.-9:58 p.m.

2 stops16h 18m

C$ 750

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Tue 22/7

6:20 p.m.-6:45 a.m.

1 stop9h 25m

C$ 147

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Tue 22/7

7:58 p.m.-5:25 a.m.

3 stops30h 27m

C$ 161

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Mon 12/5

7:00 a.m.-11:53 p.m.

1 stop13h 53m

C$ 168

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/4

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, October is the cheapest month in which you can book a flight from Las Vegas to Ottawa (average of C$ 224). Flying from Las Vegas to Ottawa in December is currently the most expensive (average of C$ 326). 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.

What is the cheapest time of day to fly from LAS to YOW?

Find hourly flight availability from Las Vegas to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 April 2025.

When flying from Las Vegas to Ottawa, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 78% versus a flight in the afternoon.

Rainfall in Ottawa by month

Plan your trip to Ottawa by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ottawa ranges from 50.0 - 93.0 mm per month. June is typically the wettest month, when rainfall can reach 93.0 mm. February is typically the driest time to visit Ottawa when rainfall is around 50.0 mm.

Temperature in Ottawa by month

Plan your trip to Ottawa by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ottawa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -10.0 C).

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ottawa. Reviews last updated 29 April 2025.
Read reviews from past customers who have flown Porter Airlines, United Airlines and WestJet from Las Vegas to Ottawa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
285 reviews
Check prices

Comfort

8.1

Entertainment

7.0

Crew

8.8

Overall

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Porter Airlines
8.0
Very good
285 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Comfort

8.1

Entertainment

7.0

Crew

8.8

Overall

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
United Airlines
7.4
Good
8,696 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Comfort

8.1

Entertainment

7.0

Crew

8.8

Overall

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
WestJet
7.2
Good
2,823 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Comfort

8.1

Entertainment

7.0

Crew

8.8

Overall

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

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 9 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Las Vegas to Ottawa round-trip?

    WestJet, at C$ 319, was found to be the cheapest airline from Las Vegas to Ottawa.Alternate airlines to your destination round-trip include United Airlines and Porter Airlines. WestJet is priced at 41% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest flights from Las Vegas to Ottawa?

    While on average a flight from Las Vegas to Ottawa is generally C$ 227, our data shows the cheapest flight currently is C$ 123. When looking at the most popular route, (Las Vegas Harry Reid Intl - Ottawa), you can expect to pay C$ 317 for that flight.

  • 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, October is the cheapest month in which you can book a flight from Las Vegas to Ottawa (average of C$ 224). Flying from Las Vegas to Ottawa in December is currently the most expensive (average of C$ 326). 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 Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Gatineau
Perth
Smiths Falls
Prescott
Brockville
Wakefield
Lanark

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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
Las Vegas to Hamilton flights
Las Vegas to Region of Waterloo Intl flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ottawa from Las Vegas today with Cheapflights!

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.