How popular is this Ottawa to Las Vegas flight route?

This flight path from Ottawa to Las Vegas Harry Reid Intl was viewed by 565 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 Ottawa to Las Vegas round-trip?

According to our current data, Porter Airlines (C$ 280), United Airlines (C$ 282), and Air Transat (C$ 283) offers the cheapest pricing from Ottawa to Las Vegas. Users have found that Porter Airlines is 37% cheaper than the other options available to this destination.

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.

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).

What are the cheapest flights from Ottawa to Las Vegas?

Looking for the cheapest flight from Ottawa to Las Vegas? While on average our users pay C$ 420, our data indicates the cheapest price to be C$ 304. The most popular route (Ottawa - Las Vegas Harry Reid Intl), is priced around C$ 324.

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

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.

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

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.

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

Users have found that booking a flight from Ottawa to Las Vegas at least 20 days early can save you up to 40% on average compared to booking a flight this week. If booking 20 days before your flight isn’t an option for you, users have found flights from Ottawa to Las Vegas for as little as C$ 374 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$ 859 for flights departing within the next 3 days.

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

Due to multiple factors, expect to potentially pay more when booking in August. 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$ 445 on average during January, but can be found for as low as C$ 276.

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

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

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

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.

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

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.

C$ 189+ Flights from Ottawa to Las Vegas

Cheapflights Tip: The best prices from Ottawa to Las Vegas Harry Reid Intl are usually found in January or May, booked 68 days in advance, depart on a Sunday or Monday and return on a Tuesday

Cheap flight deals from Ottawa to Las Vegas

Round-trip from	C$ 358
One-way from	C$ 189
Popular in	August
Cheapest in	January
Average price	C$ 549
Good round-trip deal	C$ 312 or less

WestJet
9/9-12/9
2 total stops
23h 21m total
Ottawa to Las Vegas

Search Deals

WestJet
6/9
2 total stops
12h 09m total
Ottawa to Las Vegas

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (C$ 46 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 15 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Price to beat on a round-trip flight from Ottawa to Las Vegas Harry Reid Intl.

Search Deals

Find flight deals from Ottawa to Las Vegas

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 16 August 2025.

Mon 13/103:35 p.m.YOW - LAS

1 stop8h 54mWestJet

Thu 16/1010:00 a.m.LAS - YOW

2 stops11h 40mWestJet

Deal found 15/8C$ 358

Fri 14/112:50 p.m.YOW - LAS

1 stop8h 59mAir Canada

Mon 17/1111:30 p.m.LAS - YOW

1 stop8h 48mAir Canada

Deal found 15/8C$ 359

Sun 12/107:50 a.m.YOW - LAS

2 stops15h 31mWestJet

Wed 15/1011:30 a.m.LAS - YOW

1 stop10h 10mWestJet

Deal found 15/8C$ 360

Tue 14/107:00 a.m.YOW - LAS

1 stop7h 20mMultiple Airlines

Sat 18/1011:30 a.m.LAS - YOW

1 stop10h 10mMultiple Airlines

Deal found 15/8C$ 362

Sat 11/103:45 p.m.YOW - LAS

1 stop8h 44mWestJet

Fri 17/1012:35 p.m.LAS - YOW

1 stop8h 47mWestJet

Deal found 15/8C$ 363

Sun 12/107:50 a.m.YOW - LAS

2 stops15h 31mWestJet

Sat 18/108:00 a.m.LAS - YOW

2 stops13h 22mWestJet

Deal found 14/8C$ 364

Sat 29/116:00 a.m.YOW - LAS

2 stops17h 15mWestJet

Sat 6/129:15 p.m.LAS - YOW

2 stops16h 38mWestJet

Deal found 15/8C$ 366

Sat 11/103:45 p.m.YOW - LAS

1 stop8h 44mWestJet

Sun 19/108:00 a.m.LAS - YOW

2 stops13h 22mWestJet

Deal found 14/8C$ 367

Fri 5/97:15 p.m.YOW - LAS

1 stop29h 14mWestJet

Tue 9/96:20 p.m.LAS - YOW

1 stop9h 25mWestJet

Deal found 15/8C$ 371

Wed 3/125:40 a.m.YOW - LAS

2 stops15h 31mWestJet

Mon 8/128:00 a.m.LAS - YOW

2 stops13h 42mWestJet

Deal found 14/8C$ 373

Best flights from Ottawa to Las Vegas
Discover carefully curated flight deals from Ottawa to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 16 August 2025.

Fri 5/95:55 a.m.YOW - LAS

2 stops17h 26mWestJet

Tue 9/91:25 p.m.LAS - YOW

2 stops14h 20mWestJet

Deal found 15/8C$ 358

Fri 21/116:00 a.m.YOW - LAS

2 stops15h 39mWestJet

Mon 24/118:00 a.m.LAS - YOW

2 stops13h 42mWestJet

Deal found 15/8C$ 358

Thu 4/125:40 a.m.YOW - LAS

1 stop9h 18mWestJet

Sun 7/127:05 p.m.LAS - YOW

1 stop18h 48mWestJet

Deal found 15/8C$ 358

Fri 5/125:40 a.m.YOW - LAS

1 stop9h 18mWestJet

Mon 8/121:10 p.m.LAS - YOW

1 stop8h 32mWestJet

Deal found 13/8C$ 358

Wed 17/95:55 a.m.YOW - LAS

1 stop8h 44mWestJet

Fri 26/98:00 a.m.LAS - YOW

1 stop27h 56mWestJet

Deal found 15/8C$ 358

Tue 3/25:45 p.m.YOW - LAS

1 stop27h 28mWestJet

Tue 10/28:00 a.m.LAS - YOW

2 stops13h 39mWestJet

Deal found 15/8C$ 358

Mon 13/103:35 p.m.YOW - LAS

1 stop8h 54mWestJet

Thu 16/1010:00 a.m.LAS - YOW

2 stops11h 40mWestJet

Deal found 15/8C$ 358

Mon 13/107:50 a.m.YOW - LAS

2 stops15h 31mWestJet

Sat 18/1011:30 a.m.LAS - YOW

1 stop10h 10mWestJet

Deal found 15/8C$ 358

Fri 12/97:15 p.m.YOW - LAS

1 stop29h 14mWestJet

Fri 19/912:35 p.m.LAS - YOW

1 stop8h 47mWestJet

Deal found 15/8C$ 358

Tue 9/96:00 a.m.YOW - LAS

1 stop14h 34mWestJet

Fri 12/912:35 p.m.LAS - YOW

1 stop8h 47mWestJet

Deal found 13/8C$ 358

Sat 6/912:20 p.m.YOW - LAS

2 stops12h 09mWestJet

Thu 11/93:55 p.m.LAS - YOW

2 stops11h 50mWestJet

Deal found 15/8C$ 358

Last-minute flights from Ottawa to Las Vegas
Discover last-minute flight deals from Ottawa to Las Vegas. Data last updated 16 August 2025 and is based on user searches.

Thu 21/82:20 p.m.YOW - LAS

1 stop10h 35mPorter Airlines

Sun 24/89:50 a.m.LAS - YOW

1 stop19h 15mPorter Airlines

Deal found 15/8C$ 755

Fri 22/84:25 p.m.YOW - LAS

2 stops27h 26mMultiple Airlines

Mon 25/810:15 p.m.LAS - YOW

1 stop16h 05mMultiple Airlines

Deal found 14/8C$ 716

Fri 22/82:20 p.m.YOW - LAS

1 stop21h 30mPorter Airlines

Mon 25/810:55 p.m.LAS - YOW

1 stop8h 26mPorter Airlines

Deal found 14/8C$ 756

Mon 25/83:50 p.m.YOW - LAS

2 stops18h 55mMultiple Airlines

Fri 29/84:22 p.m.LAS - YOW

2 stops21h 58mMultiple Airlines

Deal found 14/8C$ 650

Mon 25/86:10 a.m.YOW - LAS

2 stops17h 11mWestJet

Fri 29/88:00 a.m.LAS - YOW

2 stops42h 25mWestJet

Deal found 14/8C$ 806

Fri 29/85:15 p.m.YOW - LAS

1 stop29h 23mWestJet

Thu 4/91:25 p.m.LAS - YOW

2 stops14h 20mWestJet

Deal found 14/8C$ 380

Sun 31/86:10 a.m.YOW - LAS

2 stops18h 20mWestJet

Tue 16/91:25 p.m.LAS - YOW

2 stops14h 20mWestJet

Deal found 14/8C$ 367

Sun 31/86:00 a.m.YOW - LAS

1 stop18h 30mWestJet

Thu 4/91:25 p.m.LAS - YOW

2 stops14h 20mWestJet

Deal found 13/8C$ 375

Mon 1/96:10 a.m.YOW - LAS

2 stops18h 19mWestJet

Mon 15/910:00 a.m.LAS - YOW

2 stops11h 40mWestJet

Deal found 14/8C$ 370

Fri 5/95:55 a.m.YOW - LAS

2 stops17h 26mWestJet

Tue 9/91:25 p.m.LAS - YOW

2 stops14h 20mWestJet

Deal found 15/8C$ 358

Fri 5/97:15 p.m.YOW - LAS

1 stop29h 14mWestJet

Mon 8/912:35 p.m.LAS - YOW

1 stop8h 47mWestJet

Deal found 15/8C$ 362

Sun 28/93:45 p.m.YOW - LAS

1 stop8h 44mWestJet

Sun 5/109:10 p.m.LAS - YOW

2 stops24h 30mWestJet

Deal found 14/8C$ 384

One-way flights from Ottawa to Las Vegas
Search for one-way flight options from Ottawa to Las Vegas. Find affordable one-way fares based on user searches. Data last updated 16 August 2025.

Sat 6/912:20 p.m.YOW - LAS

2 stops12h 09mWestJet

Deal found 15/8C$ 189

Mon 15/97:15 p.m.YOW - LAS

2 stops20h 17mWestJet

Deal found 15/8C$ 217

Mon 1/95:05 p.m.YOW - LAS

1 stop7h 45mPorter Airlines

Deal found 14/8C$ 218

Sat 27/93:45 p.m.YOW - LAS

2 stops20h 23mWestJet

Deal found 14/8C$ 236

Sat 27/95:25 p.m.YOW - LAS

2 stops18h 19mUnited Airlines

Deal found 13/8C$ 239

Mon 1/96:10 a.m.YOW - LAS

2 stops18h 19mWestJet

Deal found 14/8C$ 258

Mon 15/97:00 a.m.YOW - LAS

1 stop7h 15mPorter Airlines

Deal found 15/8C$ 276

Mon 1/95:15 p.m.YOW - LAS

3 stops31h 13mMultiple Airlines

Deal found 14/8C$ 277

Sat 6/912:20 p.m.YOW - LAS

3 stops25h 46mMultiple Airlines

Deal found 15/8C$ 290

Mon 15/97:15 p.m.YOW - LAS

3 stops29h 04mMultiple Airlines

Deal found 15/8C$ 319

Fly from

Fly to

Route

Depart

Return

Price

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 5/9

5:55 a.m.-8:21 p.m.

2 stops17h 26m

Las Vegas Harry Reid Intl

Tue 9/9

1:25 p.m.-6:45 a.m.

2 stops14h 20m

C$ 358

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 21/11

6:00 a.m.-6:39 p.m.

2 stops15h 39m

Las Vegas Harry Reid Intl

Mon 24/11

8:00 a.m.-12:42 a.m.

2 stops13h 42m

C$ 358

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 4/12

5:40 a.m.-11:58 a.m.

1 stop9h 18m

Las Vegas Harry Reid Intl

Sun 7/12

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

1 stop18h 48m

C$ 358

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 5/12

5:40 a.m.-11:58 a.m.

1 stop9h 18m

Las Vegas Harry Reid Intl

Mon 8/12

1:10 p.m.-12:42 a.m.

1 stop8h 32m

C$ 358

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Wed 17/9

5:55 a.m.-11:39 a.m.

1 stop8h 44m

Las Vegas Harry Reid Intl

Fri 26/9

8:00 a.m.-2:56 p.m.

1 stop27h 56m

C$ 358

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 3/2

5:45 p.m.-6:13 p.m.

1 stop27h 28m

Las Vegas Harry Reid Intl

Tue 10/2

8:00 a.m.-12:39 a.m.

2 stops13h 39m

C$ 358

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Mon 13/10

3:35 p.m.-9:29 p.m.

1 stop8h 54m

Las Vegas Harry Reid Intl

Thu 16/10

10:00 a.m.-12:40 a.m.

2 stops11h 40m

C$ 358

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Mon 13/10

7:50 a.m.-8:21 p.m.

2 stops15h 31m

Las Vegas Harry Reid Intl

Sat 18/10

11:30 a.m.-12:40 a.m.

1 stop10h 10m

C$ 358

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 12/9

7:15 p.m.-9:29 p.m.

1 stop29h 14m

Las Vegas Harry Reid Intl

Fri 19/9

12:35 p.m.-12:22 a.m.

1 stop8h 47m

C$ 358

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 9/9

6:00 a.m.-5:34 p.m.

1 stop14h 34m

Las Vegas Harry Reid Intl

Fri 12/9

12:35 p.m.-12:22 a.m.

1 stop8h 47m

C$ 358

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/8

Showing 1-10 of 17 results

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.

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 Ottawa to Las Vegas

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

The best time to book flights from Ottawa to Las Vegas is 68 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.

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

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$ 292). 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 YOW to LAS?

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.

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

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.

What’s the top layover airport for flights from Ottawa to Las Vegas?

Toronto (YYZ) – chosen by Cheapflights users on 58% of one-stop itineraries from Ottawa to Las Vegas on Cheapflights.

What’s the cheapest layover airport for flights from Ottawa to Las Vegas?

Winnipeg (YWG) is the most affordable 1-stop option, with an average round-trip price of C$ 352.

What’s the fastest layover option from Ottawa to Las Vegas?

Flights via Washington, D.C. (IAD) have the shortest average one-way travel time for 1-stop routes: 7h 45m.

Which airport typically offers the quickest layover for flights from Ottawa to Las Vegas?

Flights via Washington, D.C. (IAD) offer the fastest connection on this route, with an average layover time of 1h 03m.

Reviews of airlines servicing Las Vegas

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

Porter Airlines

8.0

Very good

332 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Porter Airlines

8.0

Very good

332 reviews

Porter Airlines

8.0

Very good

332 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

Air Transat

7.7

Good

427 reviews

Porter Airlines

8.0

Very good

332 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

United Airlines

7.4

Good

8,916 reviews

Porter Airlines

8.0

Very good

332 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

WestJet

7.2

Good

3,016 reviews

Porter Airlines

8.0

Very good

332 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

Air Canada

7.1

Good

9,966 reviews

Porter Airlines

8.0

Very good

332 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

Related info for your journey

How popular is this Ottawa to Las Vegas flight route?
This flight path from Ottawa to Las Vegas Harry Reid Intl was viewed by 565 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 Ottawa to Las Vegas round-trip?
According to our current data, Porter Airlines (C$ 280), United Airlines (C$ 282), and Air Transat (C$ 283) offers the cheapest pricing from Ottawa to Las Vegas. Users have found that Porter Airlines is 37% cheaper than the other options available to this destination.
What are the cheapest flights from Ottawa to Las Vegas?
Looking for the cheapest flight from Ottawa to Las Vegas? While on average our users pay C$ 420, our data indicates the cheapest price to be C$ 304. The most popular route (Ottawa - Las Vegas Harry Reid Intl), is priced around C$ 324.
Can I find deals for flights from Ottawa to Las Vegas that include hotel bookings?
Yes. In addition to deals on Ottawa to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ottawa to Las Vegas?
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.
Can I find deals for business class flights from Ottawa to Las Vegas?
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.
What is the cheapest month to book a flight from Ottawa to Las Vegas?
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$ 292). 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

Henderson

Boulder City

North Las Vegas

Paradise

Browse thousands of different options on Cheapflights for your next trip

Other flights to Las Vegas

Top 5 airlines flying from Ottawa to Las Vegas

Airline	Cheapest	Average	Flexibility	On-time
Porter Airlines	CheapestC$ 280	AverageC$ 434	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
United Airlines	CheapestC$ 282	AverageC$ 433	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Transat	CheapestC$ 283	AverageC$ 441	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
WestJet	CheapestC$ 289	AverageC$ 411	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Air Canada	CheapestC$ 318	AverageC$ 546	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Fly with Cheapflights

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

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!

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

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.

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

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.

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

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.

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.

Cheap flights from Ottawa to Las Vegas from C$ 189

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 6/9. 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 68 days in advance, depart on a Sunday or Monday and return on a Tuesday

Cheap flight deals from Ottawa to Las Vegas

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

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 16 August 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 16 August 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 8 August 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 16 August 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 10 August 2025.

What’s the top layover airport for flights from Ottawa to Las Vegas?

Share of one-stop round-trip flights from Ottawa to Las Vegas chosen by Cheapflights users in the past 12 months, using the same layover each way.

What’s the cheapest layover airport for flights from Ottawa to Las Vegas?

Average round-trip fare for 1-stop flights from Ottawa to Las Vegas, chosen by Cheapflights users in the past 12 months, with the same layover each way.

What’s the fastest layover option from Ottawa to Las Vegas?

Shortest average travel time for 1-stop one-way flights from Ottawa to Las Vegas, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Which airport typically offers the quickest layover for flights from Ottawa to Las Vegas?

Average layover duration for 1-stop one-way flights from Ottawa to Las Vegas, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing Las Vegas

Read through reviews of airlines operating flights from Ottawa to Las Vegas, such as Porter Airlines,Air Transat, andUnited Airlines. 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 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 Las Vegas?

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.

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 16 August 2025.

Top 5 airlines flying from Ottawa to Las Vegas

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 Ottawa to Las Vegas?

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

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?

100% Free

Book with Flexibility

Travel Smart

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 16 August 2025.