Cheap flights from Ottawa to Las Vegas from C$ 159
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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAS
16 Mar — 23 Mar1
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 April, booked 28 days in advance, depart on a Thursday or Monday and return on a Tuesday
Cheap flight deals from Ottawa to Las Vegas
Enter your travel dates to find the best prices.
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Best
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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 14 February 2026.
Sun 8/36:00 a.m.
YOW
-
LAS
2 stops15h 39m
WestJet
Wed 25/311:20 a.m.
LAS
-
YOW
1 stop10h 20m
WestJet
Deal found 11/2C$ 226
Sun 5/45:40 a.m.
YOW
-
LAS
2 stops15h 33m
WestJet
Wed 8/411:20 a.m.
LAS
-
YOW
1 stop10h 20m
WestJet
Deal found 11/2C$ 237
Tue 24/35:40 a.m.
YOW
-
LAS
2 stops15h 33m
WestJet
Tue 31/38:05 a.m.
LAS
-
YOW
2 stops13h 34m
WestJet
Deal found 13/2C$ 242
Mon 4/55:55 a.m.
YOW
-
LAS
2 stops14h 20m
WestJet
Fri 8/58:30 a.m.
LAS
-
YOW
2 stops12h 50m
WestJet
Deal found 13/2C$ 248
Sun 3/55:55 a.m.
YOW
-
LAS
2 stops13h 40m
WestJet
Fri 8/58:30 a.m.
LAS
-
YOW
2 stops12h 50m
WestJet
Deal found 11/2C$ 261
Tue 10/35:40 a.m.
YOW
-
LAS
2 stops15h 33m
WestJet
Tue 17/38:05 a.m.
LAS
-
YOW
2 stops13h 34m
WestJet
Deal found 10/2C$ 264
Sun 22/35:45 p.m.
YOW
-
LAS
2 stops18h 31m
WestJet
Wed 25/311:20 a.m.
LAS
-
YOW
1 stop10h 20m
WestJet
Deal found 10/2C$ 267
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 February 2026.
Tue 24/35:40 a.m.
YOW
-
LAS
2 stops15h 33m
WestJet
Tue 31/38:05 a.m.
LAS
-
YOW
2 stops13h 34m
WestJet
Deal found 12/2C$ 252
Tue 24/33:15 p.m.
YOW
-
LAS
1 stop10h 19m
United Airlines
Mon 30/311:59 p.m.
LAS
-
YOW
1 stop11h 00m
United Airlines
Deal found 11/2C$ 294
Sun 22/35:45 p.m.
YOW
-
LAS
2 stops18h 31m
WestJet
Wed 25/311:20 a.m.
LAS
-
YOW
1 stop10h 20m
WestJet
Deal found 10/2C$ 267
Tue 14/46:00 a.m.
YOW
-
LAS
1 stop12h 21m
United Airlines
Wed 22/411:59 p.m.
LAS
-
YOW
1 stop14h 08m
United Airlines
Deal found 13/2C$ 297
Sat 7/36:00 a.m.
YOW
-
LAS
1 stop18h 33m
WestJet
Wed 11/311:20 a.m.
LAS
-
YOW
1 stop10h 20m
WestJet
Deal found 10/2C$ 272
Sun 7/65:55 a.m.
YOW
-
LAS
1 stop8h 45m
WestJet
Wed 10/66:10 p.m.
LAS
-
YOW
1 stop8h 30m
WestJet
Deal found 10/2C$ 279
Tue 10/35:45 p.m.
YOW
-
LAS
1 stop27h 28m
WestJet
Tue 17/38:05 a.m.
LAS
-
YOW
2 stops13h 34m
WestJet
Deal found 10/2C$ 283
Thu 23/45:45 p.m.
YOW
-
LAS
1 stop30h 48m
WestJet
Tue 28/412:35 p.m.
LAS
-
YOW
1 stop8h 45m
WestJet
Deal found 11/2C$ 293
Wed 3/65:55 a.m.
YOW
-
LAS
2 stops14h 20m
WestJet
Sun 7/66:10 p.m.
LAS
-
YOW
1 stop8h 30m
WestJet
Deal found 13/2C$ 293
Thu 9/45:45 p.m.
YOW
-
LAS
1 stop19h 42m
WestJet
Thu 16/49:15 p.m.
LAS
-
YOW
2 stops18h 08m
WestJet
Deal found 13/2C$ 302
Wed 3/65:55 a.m.
YOW
-
LAS
2 stops14h 20m
WestJet
Sat 6/66:10 p.m.
LAS
-
YOW
2 stops20h 25m
WestJet
Deal found 13/2C$ 304
Sat 11/71:20 p.m.
YOW
-
LAS
1 stop11h 20m
WestJet
Fri 17/76:10 p.m.
LAS
-
YOW
1 stop8h 30m
WestJet
Deal found 11/2C$ 304
Last-minute flights from Ottawa to Las Vegas
Discover last-minute flight deals from Ottawa to Las Vegas. Data last updated 14 February 2026 and is based on user searches.
Sun 8/36:00 a.m.
YOW
-
LAS
2 stops15h 39m
WestJet
Wed 25/311:20 a.m.
LAS
-
YOW
1 stop10h 20m
WestJet
Deal found 11/2C$ 226
Sun 8/33:05 p.m.
YOW
-
LAS
1 stop9h 57m
Multiple Airlines
Wed 25/311:20 a.m.
LAS
-
YOW
1 stop10h 20m
Multiple Airlines
Deal found 11/2C$ 271
Tue 10/35:40 a.m.
YOW
-
LAS
2 stops15h 33m
WestJet
Tue 17/38:05 a.m.
LAS
-
YOW
2 stops13h 34m
WestJet
Deal found 10/2C$ 264
Sun 22/35:45 p.m.
YOW
-
LAS
2 stops18h 31m
WestJet
Wed 25/311:20 a.m.
LAS
-
YOW
1 stop10h 20m
WestJet
Deal found 10/2C$ 267
Sun 22/33:05 p.m.
YOW
-
LAS
1 stop9h 57m
Multiple Airlines
Wed 25/311:20 a.m.
LAS
-
YOW
1 stop10h 20m
Multiple Airlines
Deal found 10/2C$ 272
Tue 24/35:40 a.m.
YOW
-
LAS
2 stops15h 33m
WestJet
Tue 31/38:05 a.m.
LAS
-
YOW
2 stops13h 34m
WestJet
Deal found 13/2C$ 242
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 February 2026.
Tue 10/35:40 a.m.
YOW
-
LAS
2 stops15h 33m
WestJet
Deal found 12/2C$ 159
Wed 3/65:55 a.m.
YOW
-
LAS
2 stops14h 20m
WestJet
Deal found 13/2C$ 162
Mon 9/36:00 a.m.
YOW
-
LAS
2 stops17h 16m
WestJet
Deal found 14/2C$ 176
Mon 9/37:30 p.m.
YOW
-
LAS
1 stop18h 48m
United Airlines
Deal found 13/2C$ 185
Sun 5/43:05 p.m.
YOW
-
LAS
1 stop9h 57m
Porter Airlines
Deal found 12/2C$ 187
Tue 7/46:00 a.m.
YOW
-
LAS
2 stops33h 19m
WestJet
Deal found 12/2C$ 188
Fri 6/32:50 p.m.
YOW
-
LAS
1 stop9h 50m
Air Canada
Deal found 10/2C$ 189
Sat 18/46:25 a.m.
YOW
-
LAS
2 stops17h 43m
United Airlines
Deal found 12/2C$ 192
Tue 7/43:10 p.m.
YOW
-
LAS
1 stop10h 05m
United Airlines
Deal found 12/2C$ 193
Mon 2/37:30 p.m.
YOW
-
LAS
2 stops17h 05m
United Airlines
Deal found 10/2C$ 200
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 14 February 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 14 February 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
Tue 24/3
5:40 a.m.-6:13 p.m.
2 stops15h 33m
Las Vegas Harry Reid Intl
Tue 31/3
8:05 a.m.-12:39 a.m.
2 stops13h 34m
C$ 252
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Sun 22/3
5:45 p.m.-9:16 a.m.
2 stops18h 31m
Las Vegas Harry Reid Intl
Wed 25/3
11:20 a.m.-12:40 a.m.
1 stop10h 20m
C$ 267
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Sat 7/3
6:00 a.m.-9:33 p.m.
1 stop18h 33m
Las Vegas Harry Reid Intl
Wed 11/3
11:20 a.m.-12:40 a.m.
1 stop10h 20m
C$ 272
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Sun 7/6
5:55 a.m.-11:40 a.m.
1 stop8h 45m
Las Vegas Harry Reid Intl
Wed 10/6
6:10 p.m.-5:40 a.m.
1 stop8h 30m
C$ 279
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Tue 10/3
5:45 p.m.-6:13 p.m.
1 stop27h 28m
Las Vegas Harry Reid Intl
Tue 17/3
8:05 a.m.-12:39 a.m.
2 stops13h 34m
C$ 283
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Thu 23/4
5:45 p.m.-9:33 p.m.
1 stop30h 48m
Las Vegas Harry Reid Intl
Tue 28/4
12:35 p.m.-12:20 a.m.
1 stop8h 45m
C$ 293
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Wed 3/6
5:55 a.m.-5:15 p.m.
2 stops14h 20m
Las Vegas Harry Reid Intl
Sun 7/6
6:10 p.m.-5:40 a.m.
1 stop8h 30m
C$ 293
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Tue 24/3
3:15 p.m.-10:34 p.m.
1 stop10h 19m
Las Vegas Harry Reid Intl
Mon 30/3
11:59 p.m.-1:59 p.m.
1 stop11h 00m
C$ 294
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Tue 14/4
6:00 a.m.-3:21 p.m.
1 stop12h 21m
Las Vegas Harry Reid Intl
Wed 22/4
11:59 p.m.-5:07 p.m.
1 stop14h 08m
C$ 297
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Thu 9/4
5:45 p.m.-10:27 a.m.
1 stop19h 42m
Las Vegas Harry Reid Intl
Thu 16/4
9:15 p.m.-6:23 p.m.
2 stops18h 08m
C$ 302
Flights are sorted by cheapest round-trip flights first.
Deals found on 13/2
Showing 1-10 of 19 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.
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
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 6 February 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$ 163). Flying from Ottawa to Las Vegas in August is currently the most expensive (average of C$ 329). 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 62% 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$ 347.
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 February 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.
Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.
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 160 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$ 252, WestJet can have you in Las Vegas from Ottawa in 15h 33m. 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, Air Canada (C$ 188), Air Transat (C$ 258), and Porter Airlines (C$ 259) offers the cheapest pricing from Ottawa to Las Vegas. Users have found that Air Canada is 58% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Ottawa to Las Vegas one-way?
C$ 154 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Porter Airlines and Air Canada, with prices starting from C$ 159 and C$ 184, 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$ 554, our data indicates the cheapest price to be C$ 467. The most popular route (Ottawa - Las Vegas Harry Reid Intl), is priced around C$ 272.
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$ 163). Flying from Ottawa to Las Vegas in August is currently the most expensive (average of C$ 329). 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 February 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 February 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 February 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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