Cheap flights from Ottawa to Las Vegas from C$ 190
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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAS
27 Jan — 3 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 January or May, booked 19 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.
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 28 December 2025.
Wed 31/125:40 a.m.YOW - LAS
2 stops18h 51mWestJet
Sat 31/18:00 a.m.LAS - YOW
2 stops13h 42mWestJet
Deal found 25/12C$ 517
Tue 30/125:40 a.m.YOW - LAS
2 stops42h 51mWestJet
Tue 6/17:05 p.m.LAS - YOW
2 stops26h 37mWestJet
Deal found 25/12C$ 670
Wed 31/125:40 a.m.YOW - LAS
2 stops18h 51mWestJet
Mon 5/18:00 a.m.LAS - YOW
1 stop13h 40mWestJet
Deal found 26/12C$ 681
Wed 31/124:00 p.m.YOW - LAS
1 stop7h 39mAir Canada
Sat 31/111:30 p.m.LAS - YOW
1 stop6h 53mAir Canada
Deal found 25/12C$ 704
Wed 31/125:09 p.m.YOW - LAS
1 stop8h 23mUnited Airlines
Mon 5/110:00 p.m.LAS - YOW
1 stop13h 27mUnited Airlines
Deal found 26/12C$ 800
Tue 30/125:40 a.m.YOW - LAS
2 stops33h 39mWestJet
Thu 1/19:15 p.m.LAS - YOW
2 stops24h 27mWestJet
Deal found 26/12C$ 879
Tue 30/128:25 p.m.YOW - LAS
1 stop17h 55mAir Canada
Tue 6/112:10 p.m.LAS - YOW
1 stop17h 08mAir Canada
Deal found 25/12C$ 884
Tue 30/125:40 a.m.YOW - LAS
2 stops42h 51mWestJet
Sun 4/17:05 p.m.LAS - YOW
2 stops20h 16mWestJet
Deal found 26/12C$ 931
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 28 December 2025.
Fri 20/27:15 p.m.YOW - LAS
2 stops29h 18mWestJet
Mon 23/211:25 p.m.LAS - YOW
1 stop22h 14mWestJet
Deal found 28/12C$ 373
Tue 24/25:50 p.m.YOW - LAS
1 stop9h 14mAir Canada
Sun 1/312:10 p.m.LAS - YOW
1 stop17h 08mAir Canada
Deal found 27/12C$ 377
Fri 24/46:00 a.m.YOW - LAS
2 stops17h 16mWestJet
Sun 26/49:10 p.m.LAS - YOW
2 stops16h 08mWestJet
Deal found 28/12C$ 381
Mon 15/63:45 p.m.YOW - LAS
1 stop8h 44mWestJet
Sat 20/611:30 a.m.LAS - YOW
1 stop10h 10mWestJet
Deal found 27/12C$ 387
Fri 6/25:40 a.m.YOW - LAS
2 stops40h 18mWestJet
Thu 12/21:10 p.m.LAS - YOW
2 stops32h 30mWestJet
Deal found 28/12C$ 390
Fri 12/67:45 a.m.YOW - LAS
2 stops14h 52mWestJet
Sat 20/66:20 p.m.LAS - YOW
1 stop9h 35mWestJet
Deal found 27/12C$ 392
Fri 12/66:15 a.m.YOW - LAS
2 stops14h 19mWestJet
Fri 19/610:00 a.m.LAS - YOW
2 stops11h 40mWestJet
Deal found 27/12C$ 396
Tue 14/46:00 a.m.YOW - LAS
2 stops33h 19mWestJet
Thu 16/411:20 a.m.LAS - YOW
1 stop10h 20mWestJet
Deal found 26/12C$ 399
Fri 12/63:45 p.m.YOW - LAS
1 stop8h 44mWestJet
Sun 21/68:00 a.m.LAS - YOW
2 stops13h 22mWestJet
Deal found 27/12C$ 409
Last-minute flights from Ottawa to Las Vegas
Discover last-minute flight deals from Ottawa to Las Vegas. Data last updated 28 December 2025 and is based on user searches.
Tue 30/125:40 a.m.YOW - LAS
2 stops42h 51mWestJet
Tue 6/17:05 p.m.LAS - YOW
2 stops26h 37mWestJet
Deal found 25/12C$ 670
Wed 31/125:40 a.m.YOW - LAS
2 stops18h 51mWestJet
Sat 31/18:00 a.m.LAS - YOW
2 stops13h 42mWestJet
Deal found 25/12C$ 517
Wed 31/125:40 a.m.YOW - LAS
2 stops18h 51mWestJet
Mon 5/18:00 a.m.LAS - YOW
1 stop13h 40mWestJet
Deal found 26/12C$ 681
Mon 12/15:45 p.m.YOW - LAS
3 stops26h 33mMultiple Airlines
Thu 15/18:00 a.m.LAS - YOW
2 stops13h 42mMultiple Airlines
Deal found 27/12C$ 545
Mon 19/13:05 p.m.YOW - LAS
3 stops29h 13mMultiple Airlines
Thu 22/18:00 a.m.LAS - YOW
2 stops13h 42mMultiple Airlines
Deal found 26/12C$ 469
Wed 21/15:40 a.m.YOW - LAS
2 stops15h 31mWestJet
Sun 25/19:15 p.m.LAS - YOW
2 stops24h 27mWestJet
Deal found 26/12C$ 426
Fri 23/17:15 p.m.YOW - LAS
2 stops29h 16mWestJet
Sun 25/111:25 p.m.LAS - YOW
1 stop22h 17mWestJet
Deal found 26/12C$ 379
Sat 24/19:40 a.m.YOW - LAS
2 stops17h 04mMultiple Airlines
Fri 30/11:01 a.m.LAS - YOW
3 stops20h 41mMultiple Airlines
Deal found 28/12C$ 575
Fri 30/15:40 a.m.YOW - LAS
1 stop19h 29mWestJet
Fri 6/28:00 a.m.LAS - YOW
1 stop13h 40mWestJet
Deal found 27/12C$ 424
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 28 December 2025.
Sun 11/15:40 a.m.YOW - LAS
2 stops15h 31mWestJet
Deal found 26/12C$ 190
Fri 9/13:05 p.m.YOW - LAS
1 stop9h 57mPorter Airlines
Deal found 26/12C$ 198
Mon 9/26:00 a.m.YOW - LAS
2 stops17h 16mWestJet
Deal found 26/12C$ 208
Sun 5/45:45 p.m.YOW - LAS
2 stops29h 31mWestJet
Deal found 27/12C$ 210
Sun 5/45:00 a.m.YOW - LAS
1 stop9h 09mAir Canada
Deal found 27/12C$ 212
Thu 15/16:00 a.m.YOW - LAS
2 stops17h 15mWestJet
Deal found 28/12C$ 216
Wed 11/26:20 a.m.YOW - LAS
1 stop15h 10mUnited Airlines
Deal found 27/12C$ 220
Mon 12/15:40 a.m.YOW - LAS
2 stops15h 31mWestJet
Deal found 26/12C$ 221
Sat 18/45:40 a.m.YOW - LAS
3 stops15h 33mWestJet
Deal found 28/12C$ 226
Sat 10/17:27 p.m.YOW - LAS
2 stops16h 27mUnited Airlines
Deal found 26/12C$ 227
Thu 8/15:40 a.m.YOW - LAS
2 stops18h 51mWestJet
Deal found 26/12C$ 235
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 28 December 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 28 December 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
Fri 20/2
7:15 p.m.-9:33 p.m.
2 stops29h 18m
Las Vegas Harry Reid Intl
Mon 23/2
11:25 p.m.-12:39 a.m.
1 stop22h 14m
C$ 373
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Tue 24/2
5:50 p.m.-12:04 a.m.
1 stop9h 14m
Las Vegas Harry Reid Intl
Sun 1/3
12:10 p.m.-8:18 a.m.
1 stop17h 08m
C$ 377
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Fri 24/4
6:00 a.m.-8:16 p.m.
2 stops17h 16m
Las Vegas Harry Reid Intl
Sun 26/4
9:10 p.m.-4:18 p.m.
2 stops16h 08m
C$ 381
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Mon 15/6
3:45 p.m.-9:29 p.m.
1 stop8h 44m
Las Vegas Harry Reid Intl
Sat 20/6
11:30 a.m.-12:40 a.m.
1 stop10h 10m
C$ 387
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Fri 6/2
5:40 a.m.-6:58 p.m.
2 stops40h 18m
Las Vegas Harry Reid Intl
Thu 12/2
1:10 p.m.-12:40 a.m.
2 stops32h 30m
C$ 390
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Fri 12/6
7:45 a.m.-7:37 p.m.
2 stops14h 52m
Las Vegas Harry Reid Intl
Sat 20/6
6:20 p.m.-6:55 a.m.
1 stop9h 35m
C$ 392
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Fri 12/6
6:15 a.m.-5:34 p.m.
2 stops14h 19m
Las Vegas Harry Reid Intl
Fri 19/6
10:00 a.m.-12:40 a.m.
2 stops11h 40m
C$ 396
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Tue 14/4
6:00 a.m.-12:19 p.m.
2 stops33h 19m
Las Vegas Harry Reid Intl
Thu 16/4
11:20 a.m.-12:40 a.m.
1 stop10h 20m
C$ 399
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Fri 12/6
3:45 p.m.-9:29 p.m.
1 stop8h 44m
Las Vegas Harry Reid Intl
Sun 21/6
8:00 a.m.-12:22 a.m.
2 stops13h 22m
C$ 409
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Sun 11/1
5:40 a.m.-6:11 p.m.
2 stops15h 31m
C$ 190
Flights are sorted by cheapest round-trip flights first.
Deals found on 26/12
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.
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 26 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, May is the cheapest month in which you can book a flight from Ottawa to Las Vegas (average of C$ 189). Flying from Ottawa to Las Vegas in August is currently the most expensive (average of C$ 333). 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 28 December 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$ 349.
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 47m.
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 30m.
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 28 December 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$ 377, WestJet can have you in Las Vegas from Ottawa in 9h 14m. 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$ 189), Air Transat (C$ 259), and United Airlines (C$ 260) 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$ 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$ 169 and C$ 185, 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$ 468, our data indicates the cheapest price to be C$ 420. The most popular route (Ottawa - Las Vegas Harry Reid Intl), is priced around C$ 317.
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, May is the cheapest month in which you can book a flight from Ottawa to Las Vegas (average of C$ 189). Flying from Ottawa to Las Vegas in August is currently the most expensive (average of C$ 333). 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 28 December 2025.
Explore flights to Las Vegas departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 28 December 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 28 December 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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