Cheap flights from Ottawa to Las Vegas from C$ 197
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 20/1. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAS
22 jan — 29 jan1
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 January or May, booked 19 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 23 dezembro 2025.
dom 28/127:27 p.m.YOW - LAS
1 stop19h 00mUnited Airlines
qua 31/1212:59 a.m.LAS - YOW
2 stops17h 19mUnited Airlines
Deal found 21/12C$ 805
qui 25/126:00 a.m.YOW - LAS
2 stops17h 15mWestJet
ter 30/121:10 p.m.LAS - YOW
2 stops32h 30mWestJet
Deal found 22/12C$ 821
seg 22/126:00 a.m.YOW - LAS
1 stop15h 11mWestJet
sex 26/127:30 p.m.LAS - YOW
2 stops26h 10mWestJet
Deal found 21/12C$ 888
ter 30/125:40 a.m.YOW - LAS
2 stops42h 51mWestJet
sex 2/111:25 p.m.LAS - YOW
1 stop22h 17mWestJet
Deal found 21/12C$ 898
ter 23/126:00 a.m.YOW - LAS
2 stops33h 19mWestJet
seg 5/111:25 p.m.LAS - YOW
1 stop22h 17mWestJet
Deal found 21/12C$ 940
seg 22/126:00 a.m.YOW - LAS
1 stop15h 11mWestJet
dom 28/127:30 p.m.LAS - YOW
2 stops26h 10mWestJet
Deal found 21/12C$ 969
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 23 dezembro 2025.
ter 31/310:44 a.m.YOW - LAS
1 stop14h 15mUnited Airlines
dom 5/411:45 p.m.LAS - YOW
1 stop7h 18mUnited Airlines
Deal found 22/12C$ 384
qui 5/26:00 a.m.YOW - LAS
2 stops17h 16mWestJet
qui 12/21:10 p.m.LAS - YOW
2 stops26h 13mWestJet
Deal found 22/12C$ 398
qui 5/23:05 p.m.YOW - LAS
1 stop9h 57mMultiple Airlines
qui 12/211:25 p.m.LAS - YOW
1 stop22h 14mMultiple Airlines
Deal found 22/12C$ 403
sex 20/22:15 p.m.YOW - LAS
2 stops22h 20mUnited Airlines
seg 23/27:42 p.m.LAS - YOW
2 stops11h 44mUnited Airlines
Deal found 22/12C$ 384
dom 8/36:00 a.m.YOW - LAS
1 stop18h 33mWestJet
sex 13/311:25 p.m.LAS - YOW
1 stop22h 14mWestJet
Deal found 22/12C$ 398
seg 20/46:25 a.m.YOW - LAS
1 stop18h 34mUnited Airlines
qua 22/411:59 p.m.LAS - YOW
1 stop11h 00mUnited Airlines
Deal found 22/12C$ 385
sex 20/25:40 a.m.YOW - LAS
2 stops42h 53mWestJet
seg 23/27:05 p.m.LAS - YOW
1 stop18h 48mWestJet
Deal found 22/12C$ 408
seg 23/25:11 p.m.YOW - LAS
1 stop9h 19mUnited Airlines
qua 4/311:59 p.m.LAS - YOW
1 stop7h 27mUnited Airlines
Deal found 22/12C$ 385
seg 20/46:00 a.m.YOW - LAS
2 stops17h 16mWestJet
qua 22/48:05 a.m.LAS - YOW
2 stops13h 34mWestJet
Deal found 21/12C$ 419
sex 6/36:00 a.m.YOW - LAS
2 stops17h 16mWestJet
qui 19/38:05 a.m.LAS - YOW
2 stops13h 34mWestJet
Deal found 20/12C$ 419
sex 6/36:00 a.m.YOW - LAS
2 stops17h 16mWestJet
qua 18/38:05 a.m.LAS - YOW
2 stops13h 34mWestJet
Deal found 20/12C$ 419
dom 8/36:00 a.m.YOW - LAS
1 stop18h 33mWestJet
ter 17/38:05 a.m.LAS - YOW
2 stops13h 34mWestJet
Deal found 20/12C$ 436
Last-minute flights from Ottawa to Las Vegas
Discover last-minute flight deals from Ottawa to Las Vegas. Data last updated 23 dezembro 2025 and is based on user searches.
qua 14/17:00 a.m.YOW - LAS
3 stops37h 18mMultiple Airlines
qua 28/18:00 a.m.LAS - YOW
2 stops13h 42mMultiple Airlines
Deal found 21/12C$ 482
qua 14/17:45 a.m.YOW - LAS
1 stop17h 42mAir Canada
qua 28/14:45 p.m.LAS - YOW
1 stop10h 58mAir Canada
Deal found 21/12C$ 505
sex 16/17:15 p.m.YOW - LAS
2 stops29h 16mWestJet
dom 25/111:25 p.m.LAS - YOW
1 stop22h 17mWestJet
Deal found 22/12C$ 391
dom 18/16:00 a.m.YOW - LAS
2 stops15h 39mMultiple Airlines
dom 25/111:56 p.m.LAS - YOW
3 stops21h 46mMultiple Airlines
Deal found 21/12C$ 512
qua 21/15:40 a.m.YOW - LAS
2 stops15h 59mWestJet
dom 25/19:15 p.m.LAS - YOW
2 stops24h 27mWestJet
Deal found 21/12C$ 441
dom 25/14:15 p.m.YOW - LAS
3 stops29h 32mMultiple Airlines
qui 29/18:00 a.m.LAS - YOW
2 stops13h 42mMultiple Airlines
Deal found 22/12C$ 486
sex 30/13:05 p.m.YOW - LAS
3 stops29h 13mMultiple Airlines
seg 2/28:00 a.m.LAS - YOW
2 stops13h 39mMultiple Airlines
Deal found 22/12C$ 560
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 23 dezembro 2025.
ter 20/15:40 a.m.YOW - LAS
2 stops15h 31mWestJet
Deal found 22/12C$ 197
qui 5/26:00 a.m.YOW - LAS
2 stops17h 16mWestJet
Deal found 22/12C$ 219
qui 5/23:05 p.m.YOW - LAS
1 stop9h 57mPorter Airlines
Deal found 22/12C$ 220
seg 23/25:11 p.m.YOW - LAS
1 stop9h 19mUnited Airlines
Deal found 21/12C$ 224
dom 1/25:40 a.m.YOW - LAS
2 stops15h 59mWestJet
Deal found 22/12C$ 235
ter 12/53:45 p.m.YOW - LAS
1 stop8h 44mWestJet
Deal found 22/12C$ 237
ter 20/17:00 a.m.YOW - LAS
1 stop19h 44mMultiple Airlines
Deal found 22/12C$ 278
qua 7/15:40 a.m.YOW - LAS
2 stops30h 19mWestJet
Deal found 22/12C$ 279
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 23 dezembro 2025.
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 23 dezembro 2025.
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
ter 31/3
10:44 a.m.-9:59 p.m.
1 stop14h 15m
Las Vegas Harry Reid Intl
dom 5/4
11:45 p.m.-10:03 a.m.
1 stop7h 18m
C$ 384
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
sex 20/2
2:15 p.m.-9:35 a.m.
2 stops22h 20m
Las Vegas Harry Reid Intl
seg 23/2
7:42 p.m.-10:26 a.m.
2 stops11h 44m
C$ 384
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
seg 20/4
6:25 a.m.-9:59 p.m.
1 stop18h 34m
Las Vegas Harry Reid Intl
qua 22/4
11:59 p.m.-1:59 p.m.
1 stop11h 00m
C$ 385
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
seg 23/2
5:11 p.m.-11:30 p.m.
1 stop9h 19m
Las Vegas Harry Reid Intl
qua 4/3
11:59 p.m.-10:26 a.m.
1 stop7h 27m
C$ 385
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
qui 5/2
6:00 a.m.-8:16 p.m.
2 stops17h 16m
Las Vegas Harry Reid Intl
qui 12/2
1:10 p.m.-6:23 p.m.
2 stops26h 13m
C$ 398
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
dom 8/3
6:00 a.m.-9:33 p.m.
1 stop18h 33m
Las Vegas Harry Reid Intl
sex 13/3
11:25 p.m.-12:39 a.m.
1 stop22h 14m
C$ 398
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
qui 5/2
3:05 p.m.-10:02 p.m.
1 stop9h 57m
Las Vegas Harry Reid Intl
qui 12/2
11:25 p.m.-12:39 a.m.
1 stop22h 14m
C$ 403
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
sex 20/2
5:40 a.m.-9:33 p.m.
2 stops42h 53m
Las Vegas Harry Reid Intl
seg 23/2
7:05 p.m.-4:53 p.m.
1 stop18h 48m
C$ 408
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
seg 20/4
6:00 a.m.-8:16 p.m.
2 stops17h 16m
Las Vegas Harry Reid Intl
qua 22/4
8:05 a.m.-12:39 a.m.
2 stops13h 34m
C$ 419
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
sex 6/3
6:00 a.m.-8:16 p.m.
2 stops17h 16m
Las Vegas Harry Reid Intl
qui 19/3
8:05 a.m.-12:39 a.m.
2 stops13h 34m
C$ 419
Flights are sorted by cheapest round-trip flights first.
Deals found on 22/12
Showing 1-10 of 21 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 19 December 2025.
The best time to book flights from Ottawa to Las Vegas is 19 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$ 190). 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.
What is the cheapest time of day to fly from YOW to LAS?
Find hourly flight availability from Ottawa to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 dezembro 2025.
It’s optimal to fly from Ottawa to Las Vegas in the morning. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight at noon.
What is the cheapest day to fly from Ottawa to Las Vegas?
Use this chart to determine the cheapest time to fly round-trip from Ottawa to Las Vegas. Price data was last updated on 20 December 2025.
Travelers seeking maximum savings on their Ottawa to Las Vegas flight should consider departing on Wednesday evenings when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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 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$ 351.
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 Washington, D.C. (IAD) have the shortest average one-way travel time for 1-stop routes: 7h 45m.
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 03m.
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 23 dezembro 2025.
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 326 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$ 384, United Airlines can have you in Las Vegas from Ottawa in 14h 15m. 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$ 190), Air Transat (C$ 261), and United Airlines (C$ 262) offers the cheapest pricing from Ottawa to Las Vegas. Users have found that Air Canada is 57% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Ottawa to Las Vegas one-way?
C$ 163 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$ 171 and C$ 186, 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$ 472, our data indicates the cheapest price to be C$ 423. The most popular route (Ottawa - Las Vegas Harry Reid Intl), is priced around C$ 253.
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$ 190). 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
Henderson
Kingman
Boulder City
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 23 dezembro 2025.
Explore flights to Las Vegas departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 23 dezembro 2025.
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 23 dezembro 2025.
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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