Cheap flights from Ottawa to Las Vegas from C$ 160
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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAS
13 Feb — 20 Feb1
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 May or January, booked 28 days in advance, depart on a Monday or Thursday and return on a Tuesday
Cheap 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 14 January 2026.
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 14 January 2026.
Thu 30/43:45 p.m.
YOW
-
LAS
1 stop8h 44m
WestJet
Tue 5/512:35 p.m.
LAS
-
YOW
1 stop8h 47m
WestJet
Deal found 12/1C$ 251
Sun 8/26:00 a.m.
YOW
-
LAS
2 stops15h 39m
WestJet
Tue 10/28:00 a.m.
LAS
-
YOW
2 stops13h 39m
WestJet
Deal found 13/1C$ 287
Fri 10/46:00 a.m.
YOW
-
LAS
2 stops15h 39m
WestJet
Tue 14/41:10 p.m.
LAS
-
YOW
2 stops24h 43m
WestJet
Deal found 12/1C$ 294
Sun 3/56:00 a.m.
YOW
-
LAS
1 stop9h 54m
WestJet
Fri 8/512:35 p.m.
LAS
-
YOW
1 stop8h 47m
WestJet
Deal found 14/1C$ 300
Fri 6/22:15 p.m.
YOW
-
LAS
1 stop10h 42m
United Airlines
Mon 9/211:50 p.m.
LAS
-
YOW
1 stop11h 37m
United Airlines
Deal found 13/1C$ 304
Tue 24/25:40 a.m.
YOW
-
LAS
2 stops15h 33m
WestJet
Wed 4/38:00 a.m.
LAS
-
YOW
2 stops13h 39m
WestJet
Deal found 13/1C$ 311
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 14 January 2026.
Fri 10/45:40 a.m.
YOW
-
LAS
1 stop19h 32m
WestJet
Tue 14/41:10 p.m.
LAS
-
YOW
2 stops24h 43m
WestJet
Deal found 12/1C$ 293
Mon 26/15:11 p.m.
YOW
-
LAS
1 stop9h 08m
United Airlines
Wed 28/17:15 a.m.
LAS
-
YOW
1 stop6h 57m
United Airlines
Deal found 12/1C$ 315
Wed 28/16:20 a.m.
YOW
-
LAS
2 stops15h 09m
United Airlines
Sat 31/112:30 a.m.
LAS
-
YOW
1 stop13h 42m
United Airlines
Deal found 12/1C$ 315
Sat 25/46:00 a.m.
YOW
-
LAS
2 stops33h 30m
WestJet
Sat 2/51:45 p.m.
LAS
-
YOW
2 stops12h 43m
WestJet
Deal found 13/1C$ 318
Mon 26/15:11 p.m.
YOW
-
LAS
1 stop9h 08m
United Airlines
Thu 29/111:30 p.m.
LAS
-
YOW
1 stop14h 42m
United Airlines
Deal found 12/1C$ 315
Wed 4/29:45 a.m.
YOW
-
LAS
2 stops13h 47m
United Airlines
Mon 9/212:59 a.m.
LAS
-
YOW
2 stops13h 13m
United Airlines
Deal found 14/1C$ 317
Sat 7/37:30 p.m.
YOW
-
LAS
2 stops15h 26m
United Airlines
Tue 10/311:59 p.m.
LAS
-
YOW
1 stop7h 27m
United Airlines
Deal found 12/1C$ 332
Wed 8/46:25 a.m.
YOW
-
LAS
1 stop9h 44m
United Airlines
Sat 11/45:00 p.m.
LAS
-
YOW
1 stop17h 59m
United Airlines
Deal found 12/1C$ 332
Sat 28/27:30 p.m.
YOW
-
LAS
2 stops16h 26m
United Airlines
Mon 2/312:59 a.m.
LAS
-
YOW
2 stops12h 31m
United Airlines
Deal found 12/1C$ 332
Sat 28/27:30 p.m.
YOW
-
LAS
2 stops16h 26m
United Airlines
Tue 3/312:59 a.m.
LAS
-
YOW
2 stops12h 31m
United Airlines
Deal found 12/1C$ 332
Last-minute flights from Ottawa to Las Vegas
Discover last-minute flight deals from Ottawa to Las Vegas. Data last updated 14 January 2026 and is based on user searches.
Fri 30/17:27 p.m.
YOW
-
LAS
2 stops17h 12m
United Airlines
Mon 2/212:59 a.m.
LAS
-
YOW
2 stops17h 19m
United Airlines
Deal found 13/1C$ 317
Fri 6/22:15 p.m.
YOW
-
LAS
1 stop10h 42m
United Airlines
Mon 9/211:50 p.m.
LAS
-
YOW
1 stop11h 37m
United Airlines
Deal found 13/1C$ 304
Sun 8/26:00 a.m.
YOW
-
LAS
2 stops15h 39m
WestJet
Tue 10/28:00 a.m.
LAS
-
YOW
2 stops13h 39m
WestJet
Deal found 13/1C$ 287
Sun 8/210:20 a.m.
YOW
-
LAS
1 stop15h 11m
Air Canada
Tue 10/24:45 p.m.
LAS
-
YOW
1 stop10h 58m
Air Canada
Deal found 13/1C$ 328
Tue 10/26:20 a.m.
YOW
-
LAS
2 stops17h 12m
United Airlines
Tue 17/211:59 p.m.
LAS
-
YOW
1 stop7h 27m
United Airlines
Deal found 13/1C$ 342
Sat 21/29:45 a.m.
YOW
-
LAS
2 stops13h 46m
United Airlines
Wed 4/37:05 a.m.
LAS
-
YOW
1 stop11h 13m
United Airlines
Deal found 13/1C$ 350
Mon 23/25:40 a.m.
YOW
-
LAS
1 stop19h 32m
WestJet
Fri 27/28:00 a.m.
LAS
-
YOW
2 stops13h 39m
WestJet
Deal found 14/1C$ 340
Tue 24/25:40 a.m.
YOW
-
LAS
2 stops15h 33m
WestJet
Wed 4/38:00 a.m.
LAS
-
YOW
2 stops13h 39m
WestJet
Deal found 13/1C$ 311
Tue 24/29:45 a.m.
YOW
-
LAS
2 stops12h 22m
United Airlines
Tue 3/39:00 a.m.
LAS
-
YOW
1 stop9h 18m
United Airlines
Deal found 13/1C$ 333
Tue 24/25:50 p.m.
YOW
-
LAS
1 stop9h 14m
Air Canada
Mon 2/311:30 p.m.
LAS
-
YOW
1 stop6h 53m
Air Canada
Deal found 14/1C$ 336
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 14 January 2026.
Mon 9/35:40 a.m.
YOW
-
LAS
2 stops15h 33m
WestJet
Deal found 13/1C$ 183
Tue 27/16:20 a.m.
YOW
-
LAS
2 stops19h 04m
United Airlines
Deal found 13/1C$ 196
Mon 9/35:11 p.m.
YOW
-
LAS
1 stop18h 02m
United Airlines
Deal found 13/1C$ 199
Fri 3/46:00 a.m.
YOW
-
LAS
1 stop19h 13m
United Airlines
Deal found 14/1C$ 204
Fri 20/35:40 a.m.
YOW
-
LAS
1 stop19h 22m
Multiple Airlines
Deal found 14/1C$ 218
Sun 15/35:40 a.m.
YOW
-
LAS
2 stops31h 47m
WestJet
Deal found 13/1C$ 272
Sun 15/36:55 p.m.
YOW
-
LAS
1 stop30h 17m
Multiple Airlines
Deal found 13/1C$ 286
Tue 27/15:40 a.m.
YOW
-
LAS
3 stops18h 51m
WestJet
Deal found 13/1C$ 290
Tue 5/57:00 a.m.
YOW
-
LAS
3 stops17h 29m
Multiple Airlines
Deal found 14/1C$ 301
Cheapflights Fare Finder
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 629,999 searches. Data last updated 14 January 2026.
Use the filters below to find and compare flights from Ottawa to Las Vegas that are best for you.
Fly from
Ottawa
Fly to
Las Vegas
Route
Depart
Return
Price
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Fri 10/4
5:40 a.m.-10:12 p.m.
1 stop19h 32m
Las Vegas Harry Reid Intl
Tue 14/4
1:10 p.m.-4:53 p.m.
2 stops24h 43m
C$ 293
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Mon 26/1
5:11 p.m.-11:19 p.m.
1 stop9h 08m
Las Vegas Harry Reid Intl
Wed 28/1
7:15 a.m.-5:12 p.m.
1 stop6h 57m
C$ 315
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Wed 28/1
6:20 a.m.-6:29 p.m.
2 stops15h 09m
Las Vegas Harry Reid Intl
Sat 31/1
12:30 a.m.-5:12 p.m.
1 stop13h 42m
C$ 315
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Mon 26/1
5:11 p.m.-11:19 p.m.
1 stop9h 08m
Las Vegas Harry Reid Intl
Thu 29/1
11:30 p.m.-5:12 p.m.
1 stop14h 42m
C$ 315
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Wed 4/2
9:45 a.m.-8:32 p.m.
2 stops13h 47m
Las Vegas Harry Reid Intl
Mon 9/2
12:59 a.m.-5:12 p.m.
2 stops13h 13m
C$ 317
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Sat 25/4
6:00 a.m.-12:30 p.m.
2 stops33h 30m
Las Vegas Harry Reid Intl
Sat 2/5
1:45 p.m.-5:28 a.m.
2 stops12h 43m
C$ 318
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Sat 7/3
7:30 p.m.-7:56 a.m.
2 stops15h 26m
Las Vegas Harry Reid Intl
Tue 10/3
11:59 p.m.-10:26 a.m.
1 stop7h 27m
C$ 332
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Wed 8/4
6:25 a.m.-1:09 p.m.
1 stop9h 44m
Las Vegas Harry Reid Intl
Sat 11/4
5:00 p.m.-1:59 p.m.
1 stop17h 59m
C$ 332
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Sat 28/2
7:30 p.m.-8:56 a.m.
2 stops16h 26m
Las Vegas Harry Reid Intl
Mon 2/3
12:59 a.m.-4:30 p.m.
2 stops12h 31m
C$ 332
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Sat 28/2
7:30 p.m.-8:56 a.m.
2 stops16h 26m
Las Vegas Harry Reid Intl
Tue 3/3
12:59 a.m.-4:30 p.m.
2 stops12h 31m
C$ 332
Flights are sorted by cheapest round-trip flights first.
Deals found on 12/1
Showing 1-10 of 17 results
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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
Delays
More
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 9 January 2026.
The best time to book flights from Ottawa to Las Vegas is 28 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, February is the cheapest month in which you can book a flight from Ottawa to Las Vegas (average of C$ 174). Flying from Ottawa to Las Vegas in August is currently the most expensive (average of C$ 337). 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 often are flights from Ottawa to Las Vegas delayed?
About 36% of weekly flights between Ottawa and Las Vegas have experienced delays in the past year, with the average delay time being 160 minutes.
What is the most punctual flight time for Ottawa to Las Vegas flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Friday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Ottawa to Las Vegas flights?
Over the past year, Porter Airlines has had the lowest number of delays on this route, with just 36% of flights being delayed.
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.
Toronto (YYZ) – chosen by Cheapflights users on 61% 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.
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?
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: 7h 33m.
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 Montreal (YUL) offer the fastest connection on this route, with an average layover time of 1h 20m.
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 14 January 2026.
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.
It's good. Planes are new and fresh. WiFi is best and stands out
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 270 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$ 315, WestJet can have you in Las Vegas from Ottawa in 9h 08m. 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, Air Canada (C$ 192), Air Transat (C$ 263), and United Airlines (C$ 264) offers the cheapest pricing from Ottawa to Las Vegas. Users have found that Air Canada is 56% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Ottawa to Las Vegas one-way?
C$ 165 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$ 172 and C$ 187, 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$ 565, our data indicates the cheapest price to be C$ 476. The most popular route (Ottawa - Las Vegas Harry Reid Intl), is priced around C$ 257.
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, February is the cheapest month in which you can book a flight from Ottawa to Las Vegas (average of C$ 174). Flying from Ottawa to Las Vegas in August is currently the most expensive (average of C$ 337). 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
Kingman
Boulder City
Henderson
North Las Vegas
Paradise
Browse thousands of different options on Cheapflights for your next trip
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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 14 January 2026.
Explore flights to Las Vegas departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 14 January 2026.
Discover the top 6 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 629,999 searches. Data last updated 14 January 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.
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