Question 1

What is the cheapest month to fly to Las Vegas?

Accepted Answer

If you’re not able to fly to Las Vegas in May, then January is your next best option. Flight prices from Ottawa to Las Vegas during January average around C$ 376.

Question 2

Which airlines fly to Las Vegas?

Accepted Answer

Air Canada, Porter Airlines and WestJet are the top three most popular airlines that fly to Las Vegas from Ottawa according to our data. Air Canada is the first choice among our users, with 45% of people opting to fly with this airline when travelling to Las Vegas. Keep in mind that there are 8 different airlines that fly to Las Vegas on a routine basis, so you have a few additional options to choose from.

Question 3

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Friday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

Question 4

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

Accepted Answer

You are more likely to see cheaper flights to Las Vegas from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around C$ 440 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Ottawa for as low as C$ 351 on momondo.

Question 5

Which layover airport has the shortest connection time from Ottawa to Las Vegas?

Accepted Answer

Newark (EWR) has the shortest average layover time for this route: 2h 24m.

Question 6

How often are flights from Ottawa to Las Vegas delayed?

Accepted Answer

Historically, on average around 36% of flights between Ottawa and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 160 minutes.

Question 7

How have Ottawa to Las Vegas flight prices changed over time?

Accepted Answer

As of January 2026, prices for Ottawa to Las Vegas flights are approximately 85% more expensive when compared to flights at the same time last year.

Question 8

What is the cheapest Ottawa to Las Vegas Harry Reid Intl flight route?

Accepted Answer

Fly from Ottawa to Las Vegas Harry Reid Intl for the best Ottawa - Las Vegas Harry Reid Intl flight prices

Question 9

What is the cheapest airline that flies from Ottawa to Las Vegas Harry Reid Intl?

Accepted Answer

WestJet is the most popular carrier operating from Ottawa to Las Vegas Harry Reid Intl

Question 10

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

Accepted Answer

The cheapest time of day to fly to Las Vegas is in the morning when flights can be purchased for as low as C$ 383. Try not to purchase tickets in the afternoon because they tend to be around C$ 395. Of course, these prices can vary depending on the time of year and what airport you fly to.

Question 11

Which airport is the most popular layover for flights between Ottawa and Las Vegas?

Accepted Answer

Toronto (YYZ) was the most common stop: 85% of momondo users choosing one-stop flights on this route connected there.

Question 12

Which layover airport offers the lowest fares from Ottawa to Las Vegas?

Accepted Answer

Flights via Calgary (YYC) offer the lowest average round-trip price of C$ 332.

Question 13

What is the typical price of a round-trip flight between Ottawa and Las Vegas?

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from C$ 301 to C$ 561.
The lowest price recently found on this route was C$ 249.

Question 14

What cabin class options are available on Ottawa to Las Vegas Harry Reid Intl flights?

Accepted Answer

There is only 1 cabin class available to choose from on Ottawa to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 15

Can stopping save me money on Ottawa to Las Vegas flights?

Accepted Answer

You could potentially save up to 21% on your flight if you consider stops on a Ottawa to Las Vegas flight.

Question 16

What is the most punctual flight time for Ottawa to Las Vegas flights?

Accepted Answer

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Question 17

Which layover airport has the shortest travel time from Ottawa to Las Vegas?

Accepted Answer

Flights connecting via Calgary (YYC) have the shortest average one-way travel time: 8h 54m.

Question 18

Which airline has the best punctuality record on Ottawa to Las Vegas flights?

Accepted Answer

According to our data, Porter Airlines has had the least delays on this route over the last 12 months, with about 36% of their flights experiencing any sort of delay.

Question 19

What is the cheapest day to depart on your flight to Las Vegas?

Accepted Answer

The cheapest day to depart from Ottawa to Las Vegas is on a Monday. Travellers who choose to depart for Las Vegas on a Monday will often find tickets for as low as C$ 354. The most expensive day to fly to Las Vegas is Friday, with ticket prices averaging around C$ 418.

Question 20

When did momondo last update prices for flights from Ottawa Airport to Las Vegas Harry Reid Intl Airport?

Accepted Answer

Prices for flights from Ottawa Airport to Las Vegas Harry Reid Intl Airport are refreshed on a daily basis.

Question 21

How many operators does momondo search for flights from Ottawa Airport to Las Vegas Harry Reid Intl Airport?

Accepted Answer

As of January 2026, there are 6 operators available to choose from for flights from Ottawa Airport to Las Vegas Harry Reid Intl Airport.

Question 22

How old do you have to be to fly from Ottawa Airport to Las Vegas Harry Reid Intl Airport?

Accepted Answer

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 Ottawa Airport to Las Vegas Harry Reid Intl Airport.

Question 23

What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

Accepted Answer

The travel and health documents you'll need for your trip to Las Vegas Harry Reid Intl 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 Las Vegas Harry Reid Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best price found	C$ 464
Fastest flight time	7h 34m
Direct flights	None

Airline	Rating	Free Cancellation	Price
Air Transat	PriceFrom C$ 262	Free Cancellation	Rating 7.7 491 reviews	Search Air Transat flights
Porter Airlines	PriceFrom C$ 268	Free Cancellation	Rating 8.0 406 reviews	Search Porter Airlines flights
WestJet	PriceFrom C$ 285	Free Cancellation	Rating 7.2 3,235 reviews	Search WestJet flights
United Airlines	PriceFrom C$ 296	Free Cancellation	Rating 7.4 9,139 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 309	Free Cancellation	Rating 7.1 10,603 reviews	Search Air Canada flights
APG Airlines	PriceFrom C$ 553	Free Cancellation	Rating 0.0 0 reviews	Search APG Airlines flights

Cheap flights from Ottawa to Las Vegas from C$ 181

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Las Vegas departing on 9/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Ottawa to Las Vegas

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

United Airlines flights from Ottawa to Las Vegas

Our best United Airlines deals on Ottawa to Las Vegas flight tickets

WestJet flights from Ottawa to Las Vegas

Our best WestJet deals on Ottawa to Las Vegas flight tickets

momondo Fare Finder

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

See travel insights to Las Vegas from

How to get the cheapest flight ticket from Ottawa to Las Vegas

What is the typical price of a round-trip flight between Ottawa and Las Vegas?

What is the cheapest month to fly to Las Vegas?

If you’re not able to fly to Las Vegas in May, then January is your next best option. Flight prices from Ottawa to Las Vegas during January average around C$ 376.

What is the cheapest day to depart on your flight to Las Vegas?

The cheapest day to depart from Ottawa to Las Vegas is on a Monday. Travellers who choose to depart for Las Vegas on a Monday will often find tickets for as low as C$ 354. The most expensive day to fly to Las Vegas is Friday, with ticket prices averaging around C$ 418.

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

The cheapest time of day to fly to Las Vegas is in the morning when flights can be purchased for as low as C$ 383. Try not to purchase tickets in the afternoon because they tend to be around C$ 395. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Ottawa to Las Vegas Harry Reid Intl flight route?

Fly from Ottawa to Las Vegas Harry Reid Intl for the best Ottawa - Las Vegas Harry Reid Intl flight prices

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

What cabin class options are available on Ottawa to Las Vegas Harry Reid Intl flights?

There is only 1 cabin class available to choose from on Ottawa to Las Vegas Harry Reid Intl 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 Ottawa to Las Vegas flights?

You could potentially save up to 21% on your flight if you consider stops on a Ottawa to Las Vegas flight.

How have Ottawa to Las Vegas flight prices changed over time?

As of January 2026, prices for Ottawa to Las Vegas flights are approximately 85% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Ottawa to Las Vegas Harry Reid Intl?

WestJet is the most popular carrier operating from Ottawa to Las Vegas Harry Reid Intl

Which airlines fly to Las Vegas?

How often are flights from Ottawa to Las Vegas delayed?

Historically, on average around 36% of flights between Ottawa and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 160 minutes.

What is the most punctual flight time for Ottawa to Las Vegas flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Friday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Ottawa to Las Vegas flights?

According to our data, Porter Airlines has had the least delays on this route over the last 12 months, with about 36% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between Ottawa and Las Vegas?

Toronto (YYZ) was the most common stop: 85% of momondo users choosing one-stop flights on this route connected there.

Which layover airport offers the lowest fares from Ottawa to Las Vegas?

Flights via Calgary (YYC) offer the lowest average round-trip price of C$ 332.

Which layover airport has the shortest travel time from Ottawa to Las Vegas?

Flights connecting via Calgary (YYC) have the shortest average one-way travel time: 8h 54m.

Which layover airport has the shortest connection time from Ottawa to Las Vegas?

Newark (EWR) has the shortest average layover time for this route: 2h 24m.

When to book flights from Ottawa to Las Vegas

Cheap Ottawa to Las Vegas (YOW to LAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Las Vegas

Best price found

Fastest flight time

Direct flights

How far is Ottawa to Las Vegas Harry Reid Intl by plane?

When did momondo last update prices for flights from Ottawa Airport to Las Vegas Harry Reid Intl Airport?

How many operators does momondo search for flights from Ottawa Airport to Las Vegas Harry Reid Intl Airport?

How old do you have to be to fly from Ottawa Airport to Las Vegas Harry Reid Intl Airport?

What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

What is the most popular plane model from Ottawa to Las Vegas?

What is the most popular airline from Ottawa to Las Vegas?

Best airlines flying from Ottawa to Las Vegas

Compare and see reviews for airlines that fly from Ottawa to Las Vegas with momondo

Travelling to a place near Las Vegas?

Why use momondo?

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

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

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

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

An easier way to manage your Las Vegas trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.