Cheap flights from Ottawa to Las Vegas from C$ 255
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAS
22 Oct — 29 Oct1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Ottawa to Las Vegas Harry Reid Intl are usually found in March or October, booked 77 days in advance, depart on a Monday or Tuesday and return on a Monday
Cheap flight deals from Ottawa to Las Vegas
Enter your travel dates to find the best prices.
Cheapest
Best
Last-minute
One-way
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 22 September 2026.
Sat 17/1012:25 p.m. -
2 stops12h 15m
Fri 23/106:10 p.m. -
1 stop8h 25m
Deal found 22/9C$ 377
Mon 5/107:20 a.m. -
1 stop11h 10m
Tue 20/106:10 p.m. -
1 stop8h 25m
Deal found 21/9C$ 387
Wed 14/108:15 p.m. -
2 stops26h 40m
Sat 17/108:30 a.m. -
2 stops12h 50m
Deal found 22/9C$ 426
Mon 16/116:10 a.m. -
1 stop17h 35m
Thu 19/119:35 a.m. -
2 stops11h 26m
Deal found 21/9C$ 433
Sun 15/115:40 p.m. -
1 stop7h 57m
Wed 18/112:35 p.m. -
1 stop7h 15m
Deal found 21/9C$ 440
Mon 19/107:20 a.m. -
2 stops11h 25m
Wed 21/106:10 p.m. -
1 stop8h 25m
Deal found 21/9C$ 460
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 22 September 2026.
Wed 14/105:20 p.m. -
1 stop7h 53m
Sat 17/106:00 a.m. -
1 stop8h 16m
Deal found 22/9C$ 468
Thu 12/115:40 p.m. -
1 stop7h 57m
Mon 16/112:35 p.m. -
1 stop7h 15m
Deal found 17/9C$ 500
Fri 16/105:20 p.m. -
2 stops18h 34m
Mon 19/107:49 p.m. -
2 stops10h 22m
Deal found 22/9C$ 468
Thu 12/113:10 p.m. -
1 stop11h 05m
Mon 16/1111:45 p.m. -
1 stop12h 22m
Deal found 22/9C$ 468
Mon 5/106:00 a.m. -
2 stops17h 28m
Tue 20/105:15 a.m. -
2 stops14h 20m
Deal found 20/9C$ 519
Thu 10/126:15 a.m. -
2 stops14h 52m
Mon 14/1212:59 a.m. -
2 stops10h 10m
Deal found 18/9C$ 519
Wed 11/116:15 a.m. -
2 stops10h 52m
Mon 16/117:50 p.m. -
2 stops15h 19m
Deal found 19/9C$ 519
Mon 5/106:25 a.m. -
1 stop17h 03m
Mon 12/1011:55 p.m. -
1 stop7h 01m
Deal found 18/9C$ 519
Last-minute flights from Ottawa to Las Vegas
Discover last-minute flight deals from Ottawa to Las Vegas. Data last updated 22 September 2026 and is based on user searches.
Mon 5/107:20 a.m. -
1 stop11h 10m
Tue 20/106:10 p.m. -
1 stop8h 25m
Deal found 21/9C$ 387
Sat 17/1012:25 p.m. -
2 stops12h 15m
Fri 23/106:10 p.m. -
1 stop8h 25m
Deal found 22/9C$ 377
Sat 17/101:20 p.m. -
1 stop11h 20m
Thu 29/1010:35 a.m. -
2 stops11h 25m
Deal found 22/9C$ 409
Sat 17/101:20 p.m. -
1 stop11h 20m
Wed 28/1012:50 p.m. -
1 stop9h 10m
Deal found 22/9C$ 415
Mon 19/107:20 a.m. -
1 stop11h 10m
Wed 28/1012:50 p.m. -
1 stop9h 10m
Deal found 22/9C$ 411
Wed 21/106:50 a.m. -
2 stops13h 25m
Wed 28/1012:50 p.m. -
1 stop9h 10m
Deal found 22/9C$ 423
Thu 22/107:20 a.m. -
1 stop11h 10m
Tue 27/104:08 p.m. -
2 stops29h 52m
Deal found 22/9C$ 391
Thu 22/1012:25 p.m. -
1 stop9h 05m
Thu 29/107:45 a.m. -
1 stop14h 15m
Deal found 22/9C$ 418
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 22 September 2026.
Mon 12/107:20 a.m. -
1 stop11h 10m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 17/9C$ 255
Sat 3/1012:25 p.m. -
2 stops12h 15m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 19/9C$ 259
Tue 27/106:10 a.m. -
2 stops16h 27m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 21/9C$ 262
Fri 23/106:50 a.m. -
2 stops13h 25m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 21/9C$ 272
Thu 19/115:30 a.m. -
3 stops17h 16m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 22/9C$ 273
Tue 27/103:10 p.m. -
1 stop11h 05m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 21/9C$ 275
Mon 5/106:50 a.m. -
2 stops13h 25m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 19/9C$ 276
Sun 1/115:40 p.m. -
1 stop7h 57m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 17/9C$ 280
Mon 5/104:00 p.m. -
1 stop9h 22m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 19/9C$ 285
Thu 19/113:10 p.m. -
1 stop11h 05m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 22/9C$ 286
Wed 11/114:15 p.m. -
2 stops21h 55m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 20/9C$ 289
Find flight deals from Ottawa to Las Vegas
Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Las Vegas (LAS). 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 22 September 2026.
Customize your flight search to find flights from Ottawa to Las Vegas 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 7,457,451 searches. Data last updated 22 September 2026.
Use the filters below to find and compare flights from Ottawa to Las Vegas that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest round-trip
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Tue 27/10
6:10 a.m.-7:37 p.m.
2 stops16h 27m
Las Vegas Harry Reid Intl
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 262
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Thu 19/11
6:10 a.m.-6:15 p.m.
2 stops15h 05m
Las Vegas Harry Reid Intl
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 270
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Mon 12/10
6:50 a.m.-3:30 p.m.
2 stops11h 40m
Las Vegas Harry Reid Intl
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 270
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Tue 27/10
3:10 p.m.-11:15 p.m.
1 stop11h 05m
Las Vegas Harry Reid Intl
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 275
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Wed 11/11
4:15 p.m.-11:10 a.m.
2 stops21h 55m
Las Vegas Harry Reid Intl
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 289
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Fri 2/10
6:01 p.m.-8:43 a.m.
1 stop17h 42m
Las Vegas Harry Reid Intl
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 300
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Tue 6/10
6:25 a.m.-3:58 p.m.
2 stops12h 33m
Las Vegas Harry Reid Intl
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 300
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Sun 4/10
6:05 a.m.-12:46 p.m.
1 stop9h 41m
Las Vegas Harry Reid Intl
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 300
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Wed 11/11
6:00 a.m.-9:47 p.m.
1 stop18h 47m
Las Vegas Harry Reid Intl
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 301
Quickest round-trip
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Wed 4/11
2:00 p.m.-7:58 p.m.
1 stop8h 58m
Las Vegas Harry Reid Intl
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 301
Flights are sorted by cheapest round-trip flights first.
Deals found on 21/9
Showing 1-10 of 19 resultsSorted by cheapest first
1
2
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.
YOW-LAS
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
More
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 76 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, March is the cheapest month in which you can book a flight from Ottawa to Las Vegas (average of C$ 545). Flying from Ottawa to Las Vegas in December is currently the most expensive (average of C$ 667). 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.
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$ 453 and C$ 682 in October.The cheapest round-trip price found within the last 5 days was C$ 377 on WestJet (17 Oct-23 Oct).
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.
Calgary (YYC) – chosen by Cheapflights users on 38% of one-stop itineraries from Ottawa to Las Vegas on Cheapflights.
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.
Washington, D.C. (IAD) is the most affordable 1-stop option, with an average round-trip price of C$ 462.
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.
Flights via Montreal (YUL) have the shortest average one-way travel time for 1-stop routes: 8h 10m.
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.
Flights via Washington, D.C. (IAD) offer the fastest connection on this route, with an average layover time of 1h 34m.
Reviews of airlines servicing Las Vegas
Get insights into the airlines that provide service to Las Vegas. 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 Las Vegas. Reviews last updated 22 September 2026.
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.
The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
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?
This flight path from Ottawa to Las Vegas Harry Reid Intl was viewed by 5 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$ 468, United Airlines can have you in Las Vegas from Ottawa in 7h 53m. Airlines will cover a distance of 3442 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines flying from Ottawa to Las Vegas round-trip?
According to our current data, United Airlines (C$ 317), WestJet (C$ 321), and Air Canada (C$ 366) offers the cheapest pricing from Ottawa to Las Vegas. Users have found that United Airlines is 47% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Ottawa to Las Vegas one-way?
C$ 189 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on WestJet and Air Canada, with prices starting from C$ 196 and C$ 236, respectively.
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$ 571, our data indicates the cheapest price to be C$ 480. The most popular route (Ottawa - Las Vegas Harry Reid Intl), is priced around C$ 440.
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, March is the cheapest month in which you can book a flight from Ottawa to Las Vegas (average of C$ 545). Flying from Ottawa to Las Vegas in December is currently the most expensive (average of C$ 667). 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.
Book flights to Las Vegas if you plan to visit one of these locations
Paradise
Kingman
North Las Vegas
Henderson
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.
Airlines
Alternative routes
Complete your trip
Direct flights to Nevada
Flights by cabin class
Las Vegas flight routes
Other flight options
Other flights from Ottawa
Popular flights
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 22 September 2026.
Explore flights to Las Vegas departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 22 September 2026.
Browse through other flights departing from Ottawa. Flights are based on user searches made on Cheapflights and were last updated on 22 September 2026.
Discover the top 4 airlines that operate flights from Ottawa to Las Vegas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 22 September 2026.
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?
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.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyze navigation, to offer and measure personalized advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review and update your choices anytime by clicking the ’Privacy Preferences’ link in the page side navigation.