Question 1

How popular is this Ottawa to Las Vegas flight route?

Accepted Answer

This flight path from Ottawa to Las Vegas Harry Reid Intl was viewed by 567 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Question 2

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

Accepted Answer

According to our current data, WestJet (C$ 333), Porter Airlines (C$ 365), and United Airlines (C$ 402) offers the cheapest pricing from Ottawa to Las Vegas. Users have found that WestJet is 26% cheaper than the other options available to this destination.

Question 3

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

Accepted Answer

C$ 207 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Porter Airlines and United Airlines, with prices starting from C$ 211 and C$ 237, respectively.

Question 4

How far ahead should I book a flight from Ottawa to Las Vegas?

Accepted Answer

The best time to book flights from Ottawa to Las Vegas is 21 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Question 5

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

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Ottawa to Las Vegas (average of C$ 212). Flying from Ottawa to Las Vegas in August is currently the most expensive (average of C$ 311). 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.

Question 6

What is the cheapest day to fly from Ottawa to Las Vegas?

Accepted Answer

Travelers seeking maximum savings on their Ottawa to Las Vegas flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Question 7

E

Accepted Answer

In terms of precipitation, rainfall in Las Vegas ranges from 3.0 - 20.0 mm per month. February is typically the wettest month, when rainfall can reach 20.0 mm. May is typically the driest time to visit Las Vegas when rainfall is around 3.0 mm.

Question 8

E

Accepted Answer

If weather is an important factor for your trip to Las Vegas, 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 34.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

Question 9

What are the cheapest flights from Ottawa to Las Vegas?

Accepted Answer

Looking for the cheapest flight from Ottawa to Las Vegas? While on average our users pay C$ 415, our data indicates the cheapest price to be C$ 292. The most popular route (Ottawa - Las Vegas Harry Reid Intl), is priced around C$ 352.

Question 10

What are the most popular airlines that fly from Ottawa to Las Vegas?

Accepted Answer

Consider Air Canada, Porter Airlines or Air Transat when booking your flight. These represent the most popular airlines when flying from Ottawa to Las Vegas.

Question 11

What is the cheapest day to fly round-trip from Ottawa to Las Vegas?

Accepted Answer

Users have found that flying from Ottawa to Las Vegas on a Friday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

Question 12

How far in advance should I book a flight from Ottawa to Las Vegas?

Accepted Answer

Users have found that booking a flight from Ottawa to Las Vegas at least 22 days early can save you up to 39% on average compared to booking a flight this week. If booking 22 days before your flight isn’t an option for you, users have found flights from Ottawa to Las Vegas for as little as C$ 369 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as C$ 1,097 for flights departing within the next 3 days.

Question 13

What is the cheapest month to fly from Ottawa to Las Vegas?

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, January can be a great choice for travel to Las Vegas. Flights to Las Vegas from Ottawa in January are about C$ 452 on average during January, but can be found for as low as C$ 274.

Question 14

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

Accepted Answer

It’s optimal to fly from Ottawa to Las Vegas in the morning. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight at noon.

Question 15

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

Accepted Answer

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

Question 16

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

Accepted Answer

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

Question 17

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

Accepted Answer

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

Question 18

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

Accepted Answer

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 Las Vegas from Ottawa today with Cheapflights!

Question 19

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

Accepted Answer

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Las Vegas from Ottawa.

Question 20

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

Accepted Answer

Need flexible booking options for your flight to Las Vegas from Ottawa? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Question 21

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

Accepted Answer

Yes! Start tracking prices for Ottawa to Las Vegas flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

Round-trip from	C$ 333
One-way from	C$ 207
Popular in	December
Cheapest in	January
Average price	C$ 499
Good round-trip deal	C$ 310 or less

Airline	Cheapest	Average	Flexibility	On-time
Porter Airlines	CheapestC$ 278	AverageC$ 432	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Air Transat	CheapestC$ 279	AverageC$ 436	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
WestJet	CheapestC$ 285	AverageC$ 421	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
United Airlines	CheapestC$ 308	AverageC$ 458	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Canada	CheapestC$ 321	AverageC$ 559	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Cheap flights from Ottawa to Las Vegas from C$ 207

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 29/7. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Ottawa to Las Vegas Harry Reid Intl are usually found in January or May, booked 21 days in advance, depart on a Sunday or Monday and return on a Tuesday

Cheap flight deals from Ottawa to Las Vegas

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Find flight deals from Ottawa to Las Vegas

Cheapest flights from Ottawa to Las VegasExplore the most affordable flight options available from Ottawa to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2025.

Explore the most affordable flight options available from Ottawa to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Ottawa to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Ottawa with our price prediction graph.

Cheapflights Insights

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

How far ahead should I book a flight from Ottawa to Las Vegas?

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to Las Vegas. Price data was last updated on 27 June 2025.

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

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

Find hourly flight availability from Ottawa to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 July 2025.

What is the cheapest day to fly from Ottawa to Las Vegas?

Use this chart to determine the cheapest time to fly round-trip from Ottawa to Las Vegas. Price data was last updated on 29 June 2025.

Reviews of airlines servicing Las Vegas

Read through reviews of airlines operating flights from Ottawa to Las Vegas, such as Porter Airlines,United Airlines, andWestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Las Vegas. 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 Ottawa to Las Vegas flight route?

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

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

What are the cheapest flights from Ottawa to Las Vegas?

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

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

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

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

Travelling to a place near Ottawa?

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Fly from Ottawa to Las Vegas on these airlines

Choose from the following airlines for your flight from Ottawa to Las Vegas. Flights are based on user searches made on Cheapflights and were last updated on 2 July 2025.

Top 5 airlines flying from Ottawa to Las Vegas

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

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

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

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Cheapest flights from Ottawa to Las Vegas
Explore the most affordable flight options available from Ottawa to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2025.