Cheap flights from Ottawa to Las Vegas from C$ 200
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
20 Feb — 27 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
Enter your travel dates to find the best prices.
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 21 January 2026.
Thu 26/25:40 a.m.
YOW
-
LAS
1 stop19h 32m
WestJet
Mon 2/38:05 a.m.
LAS
-
YOW
2 stops13h 34m
WestJet
Deal found 21/1C$ 299
Thu 23/45:40 a.m.
YOW
-
LAS
2 stops15h 33m
WestJet
Mon 27/49:10 p.m.
LAS
-
YOW
2 stops17h 25m
WestJet
Deal found 19/1C$ 303
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 20/1C$ 310
Sun 8/35:40 a.m.
YOW
-
LAS
2 stops18h 53m
WestJet
Thu 12/38:05 a.m.
LAS
-
YOW
2 stops13h 34m
WestJet
Deal found 20/1C$ 326
Thu 26/25:40 a.m.
YOW
-
LAS
1 stop19h 32m
WestJet
Wed 4/38:00 a.m.
LAS
-
YOW
2 stops13h 39m
WestJet
Deal found 20/1C$ 332
Wed 18/25:40 a.m.
YOW
-
LAS
2 stops15h 33m
WestJet
Wed 25/21:10 p.m.
LAS
-
YOW
2 stops32h 29m
WestJet
Deal found 21/1C$ 337
Thu 26/25:40 a.m.
YOW
-
LAS
1 stop19h 32m
WestJet
Tue 3/38:00 a.m.
LAS
-
YOW
2 stops13h 39m
WestJet
Deal found 20/1C$ 339
Tue 17/25:40 a.m.
YOW
-
LAS
2 stops15h 33m
WestJet
Tue 24/27:05 p.m.
LAS
-
YOW
2 stops26h 34m
WestJet
Deal found 20/1C$ 348
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 21 January 2026.
Mon 18/55:55 a.m.
YOW
-
LAS
1 stop8h 44m
WestJet
Thu 21/511:30 a.m.
LAS
-
YOW
1 stop10h 10m
WestJet
Deal found 18/1C$ 429
Tue 17/25:11 p.m.
YOW
-
LAS
1 stop7h 51m
United Airlines
Tue 24/24:40 p.m.
LAS
-
YOW
2 stops14h 46m
United Airlines
Deal found 20/1C$ 437
Tue 7/46:45 a.m.
YOW
-
LAS
1 stop7h 57m
Porter Airlines
Sat 11/411:05 p.m.
LAS
-
YOW
2 stops16h 04m
Porter Airlines
Deal found 21/1C$ 452
Wed 11/22:15 p.m.
YOW
-
LAS
1 stop10h 42m
United Airlines
Tue 17/211:59 p.m.
LAS
-
YOW
1 stop14h 08m
United Airlines
Deal found 21/1C$ 437
Wed 18/25:11 p.m.
YOW
-
LAS
1 stop7h 51m
United Airlines
Wed 25/211:59 p.m.
LAS
-
YOW
1 stop14h 08m
United Airlines
Deal found 21/1C$ 437
Fri 24/410:00 a.m.
YOW
-
LAS
1 stop15h 13m
United Airlines
Mon 27/411:45 p.m.
LAS
-
YOW
1 stop7h 18m
United Airlines
Deal found 21/1C$ 447
Wed 8/410:44 a.m.
YOW
-
LAS
2 stops12h 02m
United Airlines
Sat 11/45:00 p.m.
LAS
-
YOW
1 stop17h 59m
United Airlines
Deal found 21/1C$ 447
Sat 14/27:30 p.m.
YOW
-
LAS
2 stops17h 05m
United Airlines
Tue 17/211:59 p.m.
LAS
-
YOW
1 stop7h 27m
United Airlines
Deal found 21/1C$ 447
Sat 28/29:45 a.m.
YOW
-
LAS
2 stops13h 46m
United Airlines
Mon 9/311:43 p.m.
LAS
-
YOW
1 stop16h 12m
United Airlines
Deal found 21/1C$ 447
Fri 27/27:30 p.m.
YOW
-
LAS
2 stops17h 05m
United Airlines
Fri 6/311:43 p.m.
LAS
-
YOW
1 stop16h 12m
United Airlines
Deal found 21/1C$ 455
Last-minute flights from Ottawa to Las Vegas
Discover last-minute flight deals from Ottawa to Las Vegas. Data last updated 21 January 2026 and is based on user searches.
Tue 27/15:40 a.m.
YOW
-
LAS
2 stops15h 31m
WestJet
Fri 30/17:05 p.m.
LAS
-
YOW
2 stops26h 37m
WestJet
Deal found 19/1C$ 502
Fri 30/13:05 p.m.
YOW
-
LAS
1 stop9h 57m
Multiple Airlines
Tue 10/28:00 a.m.
LAS
-
YOW
2 stops13h 39m
Multiple Airlines
Deal found 19/1C$ 430
Fri 30/15:40 a.m.
YOW
-
LAS
2 stops41h 35m
WestJet
Tue 10/28:00 a.m.
LAS
-
YOW
2 stops13h 39m
WestJet
Deal found 19/1C$ 485
Fri 30/13:05 p.m.
YOW
-
LAS
1 stop9h 57m
Porter Airlines
Tue 10/212:40 p.m.
LAS
-
YOW
1 stop9h 03m
Porter Airlines
Deal found 19/1C$ 539
Sat 31/15:40 a.m.
YOW
-
LAS
1 stop19h 22m
Multiple Airlines
Tue 10/28:00 a.m.
LAS
-
YOW
2 stops13h 39m
Multiple Airlines
Deal found 19/1C$ 467
Sat 31/15:40 a.m.
YOW
-
LAS
1 stop19h 22m
Multiple Airlines
Sun 15/28:00 a.m.
LAS
-
YOW
2 stops13h 39m
Multiple Airlines
Deal found 19/1C$ 500
Sat 31/15:40 a.m.
YOW
-
LAS
2 stops42h 53m
WestJet
Sun 15/28:00 a.m.
LAS
-
YOW
2 stops13h 39m
WestJet
Deal found 19/1C$ 513
Sat 31/15:40 a.m.
YOW
-
LAS
1 stop19h 22m
Multiple Airlines
Mon 9/29:15 p.m.
LAS
-
YOW
1 stop14h 30m
Multiple Airlines
Deal found 19/1C$ 518
Sat 31/15:40 a.m.
YOW
-
LAS
2 stops42h 53m
WestJet
Tue 3/28:00 a.m.
LAS
-
YOW
2 stops13h 39m
WestJet
Deal found 19/1C$ 528
Sat 31/15:40 a.m.
YOW
-
LAS
1 stop19h 22m
Multiple Airlines
Fri 13/28:00 a.m.
LAS
-
YOW
2 stops13h 39m
Multiple Airlines
Deal found 19/1C$ 541
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 21 January 2026.
Mon 9/35:40 a.m.
YOW
-
LAS
2 stops17h 36m
WestJet
Deal found 21/1C$ 200
Tue 7/45:40 a.m.
YOW
-
LAS
2 stops15h 33m
WestJet
Deal found 19/1C$ 216
Wed 11/35:40 a.m.
YOW
-
LAS
2 stops30h 26m
WestJet
Deal found 21/1C$ 220
Thu 9/45:40 a.m.
YOW
-
LAS
1 stop20h 02m
Multiple Airlines
Deal found 19/1C$ 236
Tue 7/46:45 a.m.
YOW
-
LAS
1 stop7h 57m
Porter Airlines
Deal found 19/1C$ 249
Wed 8/45:40 a.m.
YOW
-
LAS
2 stops18h 53m
WestJet
Deal found 19/1C$ 252
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 21 January 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 629,999 searches. Data last updated 21 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
Mon 18/5
5:55 a.m.-11:39 a.m.
1 stop8h 44m
Las Vegas Harry Reid Intl
Thu 21/5
11:30 a.m.-12:40 a.m.
1 stop10h 10m
C$ 429
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Tue 17/2
5:11 p.m.-10:02 p.m.
1 stop7h 51m
Las Vegas Harry Reid Intl
Tue 24/2
4:40 p.m.-10:26 a.m.
2 stops14h 46m
C$ 437
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Wed 11/2
2:15 p.m.-9:57 p.m.
1 stop10h 42m
Las Vegas Harry Reid Intl
Tue 17/2
11:59 p.m.-5:07 p.m.
1 stop14h 08m
C$ 437
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Wed 18/2
5:11 p.m.-10:02 p.m.
1 stop7h 51m
Las Vegas Harry Reid Intl
Wed 25/2
11:59 p.m.-5:07 p.m.
1 stop14h 08m
C$ 437
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Fri 24/4
10:00 a.m.-10:13 p.m.
1 stop15h 13m
Las Vegas Harry Reid Intl
Mon 27/4
11:45 p.m.-10:03 a.m.
1 stop7h 18m
C$ 447
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Wed 8/4
10:44 a.m.-7:46 p.m.
2 stops12h 02m
Las Vegas Harry Reid Intl
Sat 11/4
5:00 p.m.-1:59 p.m.
1 stop17h 59m
C$ 447
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Sat 14/2
7:30 p.m.-9:35 a.m.
2 stops17h 05m
Las Vegas Harry Reid Intl
Tue 17/2
11:59 p.m.-10:26 a.m.
1 stop7h 27m
C$ 447
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Sat 28/2
9:45 a.m.-8:31 p.m.
2 stops13h 46m
Las Vegas Harry Reid Intl
Mon 9/3
11:43 p.m.-6:55 p.m.
1 stop16h 12m
C$ 447
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Tue 7/4
6:45 a.m.-11:42 a.m.
1 stop7h 57m
Las Vegas Harry Reid Intl
Sat 11/4
11:05 p.m.-6:09 p.m.
2 stops16h 04m
C$ 452
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Fri 27/2
7:30 p.m.-9:35 a.m.
2 stops17h 05m
Las Vegas Harry Reid Intl
Fri 6/3
11:43 p.m.-6:55 p.m.
1 stop16h 12m
C$ 455
Flights are sorted by cheapest round-trip flights first.
Deals found on 21/1
Showing 1-10 of 16 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 16 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$ 336). 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 34% of weekly flights between Ottawa and Las Vegas have experienced delays in the past year, with the average delay time being 157 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 33% 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 60% 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$ 353.
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 21 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 242 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$ 437, WestJet can have you in Las Vegas from Ottawa in 7h 51m. 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$ 191), Air Transat (C$ 262), and Porter Airlines (C$ 262) 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$ 162 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$ 175 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$ 563, our data indicates the cheapest price to be C$ 474. The most popular route (Ottawa - Las Vegas Harry Reid Intl), is priced around C$ 364.
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$ 336). 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 21 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 21 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 21 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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