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

Toronto (YYZ) – chosen by Cheapflights users on 57% 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$ 354.

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.

How popular is this Ottawa to Las Vegas flight route?

This flight path from Ottawa to Las Vegas Harry Reid Intl was viewed by 538 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 Ottawa to Las Vegas?

For as low as C$ 388, United Airlines can have you in Las Vegas from Ottawa in 15h 42m. Airlines will cover a distance of 3442 km.

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

According to our current data, Porter Airlines (C$ 279), United Airlines (C$ 283), and Air Transat (C$ 284) 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$ 422, our data indicates the cheapest price to be C$ 305. The most popular route (Ottawa - Las Vegas Harry Reid Intl), is priced around C$ 327.

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

Consider Air Canada, APG Airlines or Porter Airlines 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 51% 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$ 376 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$ 764 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$ 447 on average during January, but can be found for as low as C$ 277.

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$ 157+ Flights from Ottawa to Las Vegas

Q: How much does it cost to fly round-trip from Ottawa to Las Vegas?

Airfare is below average for this route at the moment. Ottawa to Las Vegas flights typically cost between C$ 412 and C$ 547 in December. The cheapest round-trip price found within the last 3 days was C$ 374 on Multiple Airlines (3 Dec-8 Dec).

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 Monday or Sunday and return on a Tuesday

Cheap flight deals from Ottawa to Las Vegas

Round-trip from	C$ 374
One-way from	C$ 157
Popular in	August
Cheapest in	January
Average price	C$ 463
Good round-trip deal	C$ 313 or less

WestJet
3/12-8/12
3 total stops
21h 39m total
Ottawa to Las Vegas

Search Deals

WestJet
24/10
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$ 51 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 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 11 September 2025.

Wed 3/126:45 a.m.YOW - LAS

1 stop7h 57mMultiple Airlines

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

2 stops13h 42mMultiple Airlines

Deal found 11/9C$ 374

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

1 stop9h 18mWestJet

Tue 9/127:05 p.m.LAS - YOW

1 stop18h 48mWestJet

Deal found 10/9C$ 378

Wed 3/127:45 a.m.YOW - LAS

1 stop11h 14mAir Canada

Tue 9/124:45 p.m.LAS - YOW

1 stop10h 58mAir Canada

Deal found 11/9C$ 380

Thu 11/125:40 a.m.YOW - LAS

1 stop9h 18mWestJet

Sun 14/1211:25 p.m.LAS - YOW

1 stop22h 17mWestJet

Deal found 11/9C$ 381

Mon 3/116:00 a.m.YOW - LAS

2 stops17h 15mWestJet

Mon 10/119:15 p.m.LAS - YOW

2 stops16h 38mWestJet

Deal found 11/9C$ 382

Fri 12/125:40 a.m.YOW - LAS

1 stop9h 18mWestJet

Sun 14/1211:25 p.m.LAS - YOW

1 stop22h 17mWestJet

Deal found 11/9C$ 384

Wed 3/126:20 a.m.YOW - LAS

1 stop8h 09mUnited Airlines

Tue 9/1212:59 a.m.LAS - YOW

2 stops13h 13mUnited Airlines

Deal found 11/9C$ 388

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

2 stops17h 15mWestJet

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

2 stops16h 38mWestJet

Deal found 10/9C$ 389

Thu 6/116:00 a.m.YOW - LAS

1 stop19h 20mMultiple Airlines

Sat 15/1111:30 p.m.LAS - YOW

1 stop8h 48mMultiple Airlines

Deal found 10/9C$ 391

Wed 3/125:45 p.m.YOW - LAS

2 stops29h 30mWestJet

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

2 stops13h 42mWestJet

Deal found 11/9C$ 392

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

1 stop9h 18mWestJet

Sun 7/129:15 p.m.LAS - YOW

2 stops24h 27mWestJet

Deal found 11/9C$ 394

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 11 September 2025.

Mon 3/1111:10 a.m.YOW - LAS

2 stops15h 42mUnited Airlines

Mon 10/115:20 a.m.LAS - YOW

2 stops15h 34mUnited Airlines

Deal found 11/9C$ 388

Sat 25/109:25 a.m.YOW - LAS

1 stop9h 33mAir Canada

Tue 28/1011:30 p.m.LAS - YOW

1 stop8h 48mAir Canada

Deal found 11/9C$ 399

Sat 4/105:55 a.m.YOW - LAS

2 stops17h 26mWestJet

Tue 7/108:00 a.m.LAS - YOW

2 stops13h 22mWestJet

Deal found 10/9C$ 403

Tue 23/912:20 p.m.YOW - LAS

2 stops12h 09mMultiple Airlines

Tue 30/910:09 p.m.LAS - YOW

1 stop16h 11mMultiple Airlines

Deal found 9/9C$ 406

Fri 12/125:55 p.m.YOW - LAS

1 stop8h 30mUnited Airlines

Tue 16/129:52 a.m.LAS - YOW

1 stop9h 04mUnited Airlines

Deal found 11/9C$ 388

Fri 24/1012:20 p.m.YOW - LAS

2 stops12h 09mWestJet

Mon 27/109:15 p.m.LAS - YOW

2 stops48h 27mWestJet

Deal found 11/9C$ 423

Wed 3/1211:10 a.m.YOW - LAS

2 stops15h 49mUnited Airlines

Tue 9/1212:59 a.m.LAS - YOW

2 stops13h 13mUnited Airlines

Deal found 11/9C$ 388

Mon 13/105:05 p.m.YOW - LAS

1 stop7h 50mMultiple Airlines

Mon 20/109:10 p.m.LAS - YOW

2 stops24h 12mMultiple Airlines

Deal found 10/9C$ 428

Wed 3/123:10 p.m.YOW - LAS

1 stop11h 15mUnited Airlines

Mon 8/1211:59 p.m.LAS - YOW

1 stop7h 27mUnited Airlines

Deal found 11/9C$ 388

Thu 6/1111:10 a.m.YOW - LAS

2 stops15h 42mUnited Airlines

Sat 15/115:20 a.m.LAS - YOW

2 stops13h 36mUnited Airlines

Deal found 11/9C$ 398

Fri 14/112:15 p.m.YOW - LAS

2 stops13h 30mUnited Airlines

Mon 17/117:04 p.m.LAS - YOW

2 stops12h 22mUnited Airlines

Deal found 10/9C$ 399

Sat 29/116:20 a.m.YOW - LAS

1 stop8h 08mUnited Airlines

Sat 6/122:10 p.m.LAS - YOW

1 stop17h 16mUnited Airlines

Deal found 10/9C$ 399

Last-minute flights from Ottawa to Las Vegas
Discover last-minute flight deals from Ottawa to Las Vegas. Data last updated 11 September 2025 and is based on user searches.

Tue 23/912:20 p.m.YOW - LAS

2 stops12h 09mWestJet

Tue 30/98:00 a.m.LAS - YOW

2 stops13h 22mWestJet

Deal found 9/9C$ 403

Tue 23/912:20 p.m.YOW - LAS

2 stops12h 09mMultiple Airlines

Tue 30/910:09 p.m.LAS - YOW

1 stop16h 11mMultiple Airlines

Deal found 9/9C$ 406

Wed 15/105:55 a.m.YOW - LAS

2 stops14h 39mWestJet

Sat 18/109:10 p.m.LAS - YOW

2 stops16h 09mWestJet

Deal found 10/9C$ 388

Sun 19/105:55 a.m.YOW - LAS

2 stops16h 42mWestJet

Thu 23/106:20 p.m.LAS - YOW

1 stop9h 25mWestJet

Deal found 11/9C$ 378

Sun 19/105:05 p.m.YOW - LAS

1 stop7h 50mMultiple Airlines

Thu 23/1011:30 a.m.LAS - YOW

1 stop10h 10mMultiple Airlines

Deal found 11/9C$ 414

Mon 20/1012:20 p.m.YOW - LAS

3 stops25h 21mMultiple Airlines

Fri 24/1010:00 a.m.LAS - YOW

2 stops11h 40mMultiple Airlines

Deal found 9/9C$ 412

Thu 23/106:00 a.m.YOW - LAS

1 stop14h 34mWestJet

Sun 26/107:05 p.m.LAS - YOW

1 stop26h 35mWestJet

Deal found 9/9C$ 395

Sat 25/109:25 a.m.YOW - LAS

1 stop9h 33mAir Canada

Tue 28/1011:30 p.m.LAS - YOW

1 stop8h 48mAir Canada

Deal found 11/9C$ 399

Sat 25/106:00 a.m.YOW - LAS

2 stops17h 21mWestJet

Tue 28/101:10 p.m.LAS - YOW

2 stops32h 30mWestJet

Deal found 11/9C$ 413

Sun 26/106:45 a.m.YOW - LAS

1 stop7h 57mMultiple Airlines

Mon 3/119:15 p.m.LAS - YOW

2 stops16h 38mMultiple Airlines

Deal found 10/9C$ 396

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 11 September 2025.

Fri 24/1012:20 p.m.YOW - LAS

2 stops12h 09mWestJet

Deal found 9/9C$ 157

Mon 20/107:50 a.m.YOW - LAS

2 stops15h 31mWestJet

Deal found 8/9C$ 159

Thu 9/106:00 a.m.YOW - LAS

2 stops17h 21mWestJet

Deal found 9/9C$ 188

Fri 17/105:15 p.m.YOW - LAS

2 stops22h 17mWestJet

Deal found 10/9C$ 200

Fri 21/115:45 p.m.YOW - LAS

1 stop30h 46mWestJet

Deal found 8/9C$ 219

Fri 17/108:45 a.m.YOW - LAS

2 stops16h 10mPorter Airlines

Deal found 11/9C$ 227

Mon 6/106:50 p.m.YOW - LAS

2 stops19h 30mPorter Airlines

Deal found 11/9C$ 231

Tue 30/95:55 a.m.YOW - LAS

2 stops14h 39mWestJet

Deal found 10/9C$ 233

Fly from

Fly to

Route

Depart

Return

Price

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Mon 3/11

11:10 a.m.-11:52 p.m.

2 stops15h 42m

Las Vegas Harry Reid Intl

Mon 10/11

5:20 a.m.-11:54 p.m.

2 stops15h 34m

C$ 388

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 12/12

5:55 p.m.-11:25 p.m.

1 stop8h 30m

Las Vegas Harry Reid Intl

Tue 16/12

9:52 a.m.-9:56 p.m.

1 stop9h 04m

C$ 388

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Wed 3/12

11:10 a.m.-11:59 p.m.

2 stops15h 49m

Las Vegas Harry Reid Intl

Tue 9/12

12:59 a.m.-5:12 p.m.

2 stops13h 13m

C$ 388

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Wed 3/12

3:10 p.m.-11:25 p.m.

1 stop11h 15m

Las Vegas Harry Reid Intl

Mon 8/12

11:59 p.m.-10:26 a.m.

1 stop7h 27m

C$ 388

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 6/11

11:10 a.m.-11:52 p.m.

2 stops15h 42m

Las Vegas Harry Reid Intl

Sat 15/11

5:20 a.m.-9:56 p.m.

2 stops13h 36m

C$ 398

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sat 25/10

9:25 a.m.-3:58 p.m.

1 stop9h 33m

Las Vegas Harry Reid Intl

Tue 28/10

11:30 p.m.-11:18 a.m.

1 stop8h 48m

C$ 399

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 14/11

2:15 p.m.-12:45 a.m.

2 stops13h 30m

Las Vegas Harry Reid Intl

Mon 17/11

7:04 p.m.-10:26 a.m.

2 stops12h 22m

C$ 399

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sat 29/11

6:20 a.m.-11:28 a.m.

1 stop8h 08m

Las Vegas Harry Reid Intl

Sat 6/12

2:10 p.m.-10:26 a.m.

1 stop17h 16m

C$ 399

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sat 4/10

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

2 stops17h 26m

Las Vegas Harry Reid Intl

Tue 7/10

8:00 a.m.-12:22 a.m.

2 stops13h 22m

C$ 403

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 23/9

12:20 p.m.-9:29 p.m.

2 stops12h 09m

Las Vegas Harry Reid Intl

Tue 30/9

10:09 p.m.-5:20 p.m.

1 stop16h 11m

C$ 406

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 19 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

Prices

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$ 291). 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 31% 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.

How much does it cost to fly round-trip from Ottawa to Las Vegas?

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

7.9

Good

363 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Porter Airlines

7.9

Good

363 reviews

Porter Airlines

7.9

Good

363 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

Air Transat

7.7

Good

438 reviews

Porter Airlines

7.9

Good

363 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

United Airlines

7.4

Good

8,937 reviews

Porter Airlines

7.9

Good

363 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

WestJet

7.2

Good

3,091 reviews

Porter Airlines

7.9

Good

363 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

Air Canada

7.1

Good

10,000 reviews

Porter Airlines

7.9

Good

363 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

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 538 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 Ottawa to Las Vegas?
For as low as C$ 388, United Airlines can have you in Las Vegas from Ottawa in 15h 42m. Airlines will cover a distance of 3442 km.
What are the cheapest airlines flying from Ottawa to Las Vegas round-trip?
According to our current data, Porter Airlines (C$ 279), United Airlines (C$ 283), and Air Transat (C$ 284) 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$ 422, our data indicates the cheapest price to be C$ 305. The most popular route (Ottawa - Las Vegas Harry Reid Intl), is priced around C$ 327.
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$ 291). 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

Top 6 airlines flying from Ottawa to Las Vegas

Airline	Cheapest	Average	Flexibility	On-time
Porter Airlines	CheapestC$ 279	AverageC$ 431	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
United Airlines	CheapestC$ 283	AverageC$ 429	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Transat	CheapestC$ 284	AverageC$ 443	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
WestJet	CheapestC$ 290	AverageC$ 404	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Air Canada	CheapestC$ 315	AverageC$ 546	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
APG Airlines	CheapestC$ 555	AverageC$ 754	FlexibilityNo cancel fee	On-timeN/A	Search APG Airlines flights

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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.

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Cheap flights from Ottawa to Las Vegas from C$ 157

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 24/10. 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 Monday or Sunday 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 11 September 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 11 September 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?

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?

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

How much does it cost to fly round-trip from Ottawa to Las Vegas?

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

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

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

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

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?

How long is the flight from Ottawa to Las Vegas?

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?

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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 11 September 2025.

Top 6 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?

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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 11 September 2025.