Cheap flights from Ottawa to Las Vegas from C$ 281
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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAS
27 Jul — 3 Aug1
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 September or October, booked 84 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.
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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 27 June 2026.
Sat 26/912:25 p.m.
YOW
-
LAS
2 stops12h 15m
WestJet
Wed 30/91:20 p.m.
LAS
-
YOW
2 stops13h 15m
WestJet
Deal found 26/6C$ 386
Sun 1/115:40 a.m.
YOW
-
LAS
2 stops14h 33m
WestJet
Tue 10/118:00 a.m.
LAS
-
YOW
2 stops13h 42m
WestJet
Deal found 27/6C$ 404
Sat 5/91:20 p.m.
YOW
-
LAS
1 stop11h 20m
WestJet
Sat 12/96:10 p.m.
LAS
-
YOW
1 stop8h 25m
WestJet
Deal found 22/6C$ 410
Tue 21/76:00 a.m.
YOW
-
LAS
1 stop9h 55m
WestJet
Sat 25/711:30 a.m.
LAS
-
YOW
1 stop10h 10m
WestJet
Deal found 26/6C$ 416
Fri 18/91:20 p.m.
YOW
-
LAS
1 stop11h 20m
WestJet
Thu 24/96:10 p.m.
LAS
-
YOW
1 stop8h 25m
WestJet
Deal found 26/6C$ 417
Wed 30/91:20 p.m.
YOW
-
LAS
1 stop11h 20m
WestJet
Sun 4/104:30 p.m.
LAS
-
YOW
2 stops17h 00m
WestJet
Deal found 26/6C$ 423
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 27 June 2026.
Tue 21/76:00 a.m.
YOW
-
LAS
1 stop9h 55m
WestJet
Sat 25/711:30 a.m.
LAS
-
YOW
1 stop10h 10m
WestJet
Deal found 26/6C$ 416
Thu 10/96:05 a.m.
YOW
-
LAS
1 stop13h 48m
United Airlines
Mon 14/911:57 p.m.
LAS
-
YOW
1 stop6h 59m
United Airlines
Deal found 22/6C$ 484
Thu 10/91:20 p.m.
YOW
-
LAS
1 stop11h 20m
WestJet
Mon 14/97:20 p.m.
LAS
-
YOW
2 stops19h 15m
WestJet
Deal found 22/6C$ 464
Mon 26/102:00 p.m.
YOW
-
LAS
1 stop9h 17m
United Airlines
Fri 30/109:50 p.m.
LAS
-
YOW
1 stop12h 21m
United Airlines
Deal found 24/6C$ 492
Sat 11/75:20 p.m.
YOW
-
LAS
1 stop7h 34m
United Airlines
Sat 18/79:56 a.m.
LAS
-
YOW
1 stop9h 09m
United Airlines
Deal found 23/6C$ 566
Tue 11/86:55 a.m.
YOW
-
LAS
2 stops13h 20m
WestJet
Sat 15/86:10 p.m.
LAS
-
YOW
1 stop8h 25m
WestJet
Deal found 26/6C$ 583
Sat 11/72:52 p.m.
YOW
-
LAS
1 stop10h 27m
United Airlines
Tue 14/712:59 a.m.
LAS
-
YOW
2 stops12h 39m
United Airlines
Deal found 25/6C$ 575
Wed 19/86:25 a.m.
YOW
-
LAS
2 stops16h 39m
United Airlines
Wed 26/811:57 p.m.
LAS
-
YOW
1 stop6h 59m
United Airlines
Deal found 26/6C$ 576
Thu 1/106:25 a.m.
YOW
-
LAS
2 stops16h 39m
United Airlines
Mon 5/1010:40 p.m.
LAS
-
YOW
1 stop14h 58m
United Airlines
Deal found 22/6C$ 590
Tue 3/116:00 a.m.
YOW
-
LAS
1 stop18h 41m
United Airlines
Sat 7/1111:58 p.m.
LAS
-
YOW
1 stop11h 11m
United Airlines
Deal found 24/6C$ 590
Last-minute flights from Ottawa to Las Vegas
Discover last-minute flight deals from Ottawa to Las Vegas. Data last updated 27 June 2026 and is based on user searches.
Fri 3/76:55 a.m.
YOW
-
LAS
2 stops17h 45m
WestJet
Thu 9/78:30 a.m.
LAS
-
YOW
2 stops12h 50m
WestJet
Deal found 22/6C$ 707
Fri 3/74:00 p.m.
YOW
-
LAS
1 stop9h 22m
Porter Airlines
Fri 10/79:45 a.m.
LAS
-
YOW
1 stop8h 35m
Porter Airlines
Deal found 24/6C$ 836
Sat 4/77:30 p.m.
YOW
-
LAS
2 stops16h 37m
United Airlines
Sat 11/76:00 a.m.
LAS
-
YOW
2 stops12h 35m
United Airlines
Deal found 23/6C$ 751
Sun 5/77:20 a.m.
YOW
-
LAS
2 stops11h 25m
Multiple Airlines
Fri 10/79:42 p.m.
LAS
-
YOW
1 stop13h 53m
Multiple Airlines
Deal found 22/6C$ 858
Tue 7/76:00 a.m.
YOW
-
LAS
2 stops11h 45m
Air Canada
Wed 22/77:00 a.m.
LAS
-
YOW
2 stops12h 10m
Air Canada
Deal found 23/6C$ 734
Tue 7/74:00 p.m.
YOW
-
LAS
1 stop9h 22m
Multiple Airlines
Tue 21/712:46 a.m.
LAS
-
YOW
2 stops14h 08m
Multiple Airlines
Deal found 23/6C$ 810
Tue 7/74:00 p.m.
YOW
-
LAS
1 stop9h 22m
Multiple Airlines
Fri 24/79:42 p.m.
LAS
-
YOW
1 stop13h 53m
Multiple Airlines
Deal found 23/6C$ 816
Tue 7/74:00 p.m.
YOW
-
LAS
1 stop9h 22m
Multiple Airlines
Thu 23/78:30 a.m.
LAS
-
YOW
2 stops12h 50m
Multiple Airlines
Deal found 23/6C$ 826
Tue 7/74:00 p.m.
YOW
-
LAS
1 stop9h 22m
Porter Airlines
Thu 23/79:45 a.m.
LAS
-
YOW
1 stop8h 35m
Porter Airlines
Deal found 23/6C$ 841
Tue 7/74:00 p.m.
YOW
-
LAS
1 stop9h 22m
Multiple Airlines
Sat 25/710:04 a.m.
LAS
-
YOW
2 stops11h 36m
Multiple Airlines
Deal found 23/6C$ 844
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 27 June 2026.
Tue 15/96:55 a.m.
YOW
-
LAS
2 stops13h 20m
WestJet
Deal found 23/6C$ 281
Tue 15/96:05 a.m.
YOW
-
LAS
1 stop15h 54m
United Airlines
Deal found 23/6C$ 309
Wed 19/812:25 p.m.
YOW
-
LAS
2 stops12h 15m
WestJet
Deal found 23/6C$ 321
Sat 15/87:34 p.m.
YOW
-
LAS
1 stop18h 30m
United Airlines
Deal found 23/6C$ 325
Wed 19/86:25 a.m.
YOW
-
LAS
2 stops14h 34m
United Airlines
Deal found 23/6C$ 329
Tue 4/86:00 a.m.
YOW
-
LAS
2 stops12h 17m
Multiple Airlines
Deal found 25/6C$ 332
Tue 4/86:55 a.m.
YOW
-
LAS
2 stops13h 20m
WestJet
Deal found 23/6C$ 333
Fri 17/76:25 p.m.
YOW
-
LAS
1 stop30h 57m
Multiple Airlines
Deal found 22/6C$ 360
Mon 24/87:00 a.m.
YOW
-
LAS
2 stops30h 54m
Multiple Airlines
Deal found 23/6C$ 365
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 27 June 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 27 June 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 - LAS
YOWLAS
Ottawa
Tue 21/7
6:00 a.m.-12:55 p.m.
1 stop9h 55m
Las Vegas Harry Reid Intl
Sat 25/7
11:30 a.m.-12:40 a.m.
1 stop10h 10m
C$ 416
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Thu 10/9
1:20 p.m.-9:40 p.m.
1 stop11h 20m
Las Vegas Harry Reid Intl
Mon 14/9
7:20 p.m.-5:35 p.m.
2 stops19h 15m
C$ 464
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Thu 10/9
6:05 a.m.-4:53 p.m.
1 stop13h 48m
Las Vegas Harry Reid Intl
Mon 14/9
11:57 p.m.-9:56 a.m.
1 stop6h 59m
C$ 484
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Mon 26/10
2:00 p.m.-8:17 p.m.
1 stop9h 17m
Las Vegas Harry Reid Intl
Fri 30/10
9:50 p.m.-1:11 p.m.
1 stop12h 21m
C$ 492
Quickest round-trip
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Sat 11/7
5:20 p.m.-9:54 p.m.
1 stop7h 34m
Las Vegas Harry Reid Intl
Sat 18/7
9:56 a.m.-10:05 p.m.
1 stop9h 09m
C$ 566
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Sat 11/7
2:52 p.m.-10:19 p.m.
1 stop10h 27m
Las Vegas Harry Reid Intl
Tue 14/7
12:59 a.m.-4:38 p.m.
2 stops12h 39m
C$ 575
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Wed 19/8
6:25 a.m.-8:04 p.m.
2 stops16h 39m
Las Vegas Harry Reid Intl
Wed 26/8
11:57 p.m.-9:56 a.m.
1 stop6h 59m
C$ 576
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Tue 11/8
6:55 a.m.-5:15 p.m.
2 stops13h 20m
Las Vegas Harry Reid Intl
Sat 15/8
6:10 p.m.-5:35 a.m.
1 stop8h 25m
C$ 583
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Thu 1/10
6:25 a.m.-8:04 p.m.
2 stops16h 39m
Las Vegas Harry Reid Intl
Mon 5/10
10:40 p.m.-4:38 p.m.
1 stop14h 58m
C$ 590
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Tue 3/11
6:00 a.m.-9:41 p.m.
1 stop18h 41m
Las Vegas Harry Reid Intl
Sat 7/11
11:58 p.m.-2:09 p.m.
1 stop11h 11m
C$ 590
Flights are sorted by cheapest round-trip flights first.
Deals found on 23/6
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
Delays
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 83 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, September is the cheapest month in which you can book a flight from Ottawa to Las Vegas (average of C$ 472). Flying from Ottawa to Las Vegas in May is currently the most expensive (average of C$ 633). 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?
How often are flights from Ottawa to Las Vegas delayed?
About 8% of weekly flights between Ottawa and Las Vegas have experienced delays in the past year, with the average delay time being 107 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 morning tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Sunday 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 8% 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 55% 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$ 394.
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 31m.
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 14m.
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 27 June 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.
Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
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$ 416, WestJet can have you in Las Vegas from Ottawa in 9h 55m. 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, WestJet (C$ 311), United Airlines (C$ 314), and Air Canada (C$ 369) offers the cheapest pricing from Ottawa to Las Vegas. Users have found that WestJet is 45% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Ottawa to Las Vegas one-way?
C$ 195 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 United Airlines, with prices starting from C$ 202 and C$ 244, 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$ 578, our data indicates the cheapest price to be C$ 486. The most popular route (Ottawa - Las Vegas Harry Reid Intl), is priced around C$ 454.
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, September is the cheapest month in which you can book a flight from Ottawa to Las Vegas (average of C$ 472). Flying from Ottawa to Las Vegas in May is currently the most expensive (average of C$ 633). 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
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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 27 June 2026.
Explore flights to Las Vegas departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 27 June 2026.
Discover the top 5 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 27 June 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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