Cheap flights from Ottawa to Las Vegas from C$ 211
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 30/1. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAS
3 Jan — 10 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 February, booked 28 days in advance, depart on a Monday or Saturday 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 4 December 2025.
Sat 6/126:00 a.m.YOW - LAS
2 stops17h 15mWestJet
Mon 8/129:15 p.m.LAS - YOW
2 stops24h 27mWestJet
Deal found 3/12C$ 518
Fri 5/127:15 p.m.YOW - LAS
2 stops28h 00mWestJet
Mon 8/129:15 p.m.LAS - YOW
2 stops24h 27mWestJet
Deal found 3/12C$ 543
Thu 4/125:40 a.m.YOW - LAS
1 stop9h 18mWestJet
Sun 7/121:10 p.m.LAS - YOW
1 stop8h 32mWestJet
Deal found 3/12C$ 546
Wed 10/124:15 p.m.YOW - LAS
1 stop31h 30mMultiple Airlines
Wed 17/126:05 a.m.LAS - YOW
2 stops15h 20mMultiple Airlines
Deal found 3/12C$ 575
Wed 10/125:45 p.m.YOW - LAS
2 stops21h 34mWestJet
Fri 19/1211:25 p.m.LAS - YOW
1 stop22h 17mWestJet
Deal found 3/12C$ 585
Fri 5/127:15 p.m.YOW - LAS
2 stops28h 00mWestJet
Sun 7/121:10 p.m.LAS - YOW
1 stop8h 32mWestJet
Deal found 4/12C$ 590
Wed 17/125:40 a.m.YOW - LAS
1 stop9h 02mMultiple Airlines
Sat 27/1212:40 p.m.LAS - YOW
1 stop9h 02mMultiple Airlines
Deal found 3/12C$ 594
Wed 10/126:45 a.m.YOW - LAS
1 stop7h 57mPorter Airlines
Wed 17/1212:40 p.m.LAS - YOW
1 stop9h 01mPorter Airlines
Deal found 3/12C$ 629
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 4 December 2025.
Tue 24/25:40 a.m.YOW - LAS
2 stops15h 33mWestJet
Sun 1/39:15 p.m.LAS - YOW
2 stops24h 24mWestJet
Deal found 2/12C$ 405
Thu 8/15:40 a.m.YOW - LAS
2 stops18h 51mMultiple Airlines
Mon 12/110:45 p.m.LAS - YOW
1 stop15h 28mMultiple Airlines
Deal found 2/12C$ 406
Wed 11/26:20 a.m.YOW - LAS
2 stops17h 07mUnited Airlines
Tue 17/211:59 p.m.LAS - YOW
1 stop14h 08mUnited Airlines
Deal found 2/12C$ 472
Wed 21/15:45 p.m.YOW - LAS
2 stops21h 34mWestJet
Wed 28/18:00 a.m.LAS - YOW
2 stops13h 42mWestJet
Deal found 1/12C$ 414
Sun 18/15:40 a.m.YOW - LAS
2 stops15h 59mWestJet
Fri 23/111:25 p.m.LAS - YOW
1 stop22h 17mWestJet
Deal found 2/12C$ 420
Sun 15/27:30 p.m.YOW - LAS
1 stop18h 48mUnited Airlines
Sat 21/24:40 p.m.LAS - YOW
2 stops14h 46mUnited Airlines
Deal found 3/12C$ 472
Tue 3/26:20 a.m.YOW - LAS
2 stops15h 42mUnited Airlines
Sat 7/27:40 a.m.LAS - YOW
2 stops10h 38mUnited Airlines
Deal found 2/12C$ 472
Wed 25/25:45 p.m.YOW - LAS
2 stops29h 31mWestJet
Sun 1/39:15 p.m.LAS - YOW
2 stops24h 24mWestJet
Deal found 4/12C$ 458
Wed 4/35:45 p.m.YOW - LAS
1 stop30h 48mWestJet
Tue 10/31:10 p.m.LAS - YOW
2 stops24h 43mWestJet
Deal found 3/12C$ 479
Direct flights from Ottawa to Las Vegas
Explore direct flight options from Ottawa to Las Vegas based on user searches, and compare prices and availability for your desired travel dates. Data last updated 4 December 2025.
Mon 11/56:10 p.m.YOW - LAS
Nonstop5h 20mPorter Airlines
Mon 18/59:35 a.m.LAS - YOW
Nonstop4h 25mPorter Airlines
Deal found 3/12C$ 427
Last-minute flights from Ottawa to Las Vegas
Discover last-minute flight deals from Ottawa to Las Vegas. Data last updated 4 December 2025 and is based on user searches.
Sat 10/19:40 a.m.YOW - LAS
2 stops16h 18mMultiple Airlines
Wed 14/110:33 p.m.LAS - YOW
1 stop15h 40mMultiple Airlines
Deal found 3/12C$ 488
Fri 16/13:05 p.m.YOW - LAS
1 stop9h 57mPorter Airlines
Sat 24/112:40 p.m.LAS - YOW
1 stop9h 03mPorter Airlines
Deal found 3/12C$ 403
Fri 16/15:40 a.m.YOW - LAS
2 stops15h 59mWestJet
Sat 24/17:50 p.m.LAS - YOW
2 stops25h 52mWestJet
Deal found 3/12C$ 412
Wed 21/12:05 p.m.YOW - LAS
1 stop11h 26mAir Canada
Sun 25/13:05 p.m.LAS - YOW
1 stop7h 33mAir Canada
Deal found 4/12C$ 399
Sat 24/16:00 a.m.YOW - LAS
1 stop15h 56mWestJet
Mon 26/18:00 a.m.LAS - YOW
2 stops13h 42mWestJet
Deal found 3/12C$ 413
Sat 24/14:20 p.m.YOW - LAS
3 stops34h 24mMultiple Airlines
Sat 31/14:45 p.m.LAS - YOW
1 stop10h 58mMultiple Airlines
Deal found 3/12C$ 440
Tue 27/15:45 p.m.YOW - LAS
2 stops21h 34mWestJet
Sat 31/18:00 a.m.LAS - YOW
2 stops13h 42mWestJet
Deal found 4/12C$ 408
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 4 December 2025.
Fri 30/13:05 p.m.YOW - LAS
1 stop9h 57mPorter Airlines
Deal found 3/12C$ 211
Thu 5/310:20 a.m.YOW - LAS
1 stop8h 56mAir Canada
Deal found 3/12C$ 227
Sat 11/45:40 a.m.YOW - LAS
3 stops15h 33mWestJet
Deal found 2/12C$ 237
Sun 18/15:40 a.m.YOW - LAS
1 stop19h 29mWestJet
Deal found 4/12C$ 240
Thu 5/35:40 a.m.YOW - LAS
2 stops18h 53mWestJet
Deal found 3/12C$ 253
Sun 15/23:05 p.m.YOW - LAS
1 stop9h 57mPorter Airlines
Deal found 2/12C$ 267
Sun 15/24:20 p.m.YOW - LAS
3 stops34h 23mMultiple Airlines
Deal found 2/12C$ 269
Fri 30/19:45 a.m.YOW - LAS
2 stops15h 14mUnited Airlines
Deal found 3/12C$ 274
Fri 30/14:35 p.m.YOW - LAS
3 stops27h 43mMultiple Airlines
Deal found 3/12C$ 335
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 4 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 4 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
Tue 24/2
5:40 a.m.-6:13 p.m.
2 stops15h 33m
Las Vegas Harry Reid Intl
Sun 1/3
9:15 p.m.-12:39 a.m.
2 stops24h 24m
C$ 405
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Thu 8/1
5:40 a.m.-9:31 p.m.
2 stops18h 51m
Las Vegas Harry Reid Intl
Mon 12/1
10:45 p.m.-5:13 p.m.
1 stop15h 28m
C$ 406
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Wed 21/1
5:45 p.m.-12:19 p.m.
2 stops21h 34m
Las Vegas Harry Reid Intl
Wed 28/1
8:00 a.m.-12:42 a.m.
2 stops13h 42m
C$ 414
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Sun 18/1
5:40 a.m.-6:39 p.m.
2 stops15h 59m
Las Vegas Harry Reid Intl
Fri 23/1
11:25 p.m.-12:42 a.m.
1 stop22h 17m
C$ 420
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Wed 25/2
5:45 p.m.-8:16 p.m.
2 stops29h 31m
Las Vegas Harry Reid Intl
Sun 1/3
9:15 p.m.-12:39 a.m.
2 stops24h 24m
C$ 458
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Wed 11/2
6:20 a.m.-8:27 p.m.
2 stops17h 07m
Las Vegas Harry Reid Intl
Tue 17/2
11:59 p.m.-5:07 p.m.
1 stop14h 08m
C$ 472
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Sun 15/2
7:30 p.m.-11:18 a.m.
1 stop18h 48m
Las Vegas Harry Reid Intl
Sat 21/2
4:40 p.m.-10:26 a.m.
2 stops14h 46m
C$ 472
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Tue 3/2
6:20 a.m.-7:02 p.m.
2 stops15h 42m
Las Vegas Harry Reid Intl
Sat 7/2
7:40 a.m.-9:18 p.m.
2 stops10h 38m
C$ 472
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Wed 4/3
5:45 p.m.-9:33 p.m.
1 stop30h 48m
Las Vegas Harry Reid Intl
Tue 10/3
1:10 p.m.-4:53 p.m.
2 stops24h 43m
C$ 479
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Fri 30/1
3:05 p.m.-10:02 p.m.
1 stop9h 57m
C$ 211
Flights are sorted by cheapest round-trip flights first.
Deals found on 3/12
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 28 November 2025.
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, January 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$ 341). 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 4 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 29 November 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 61% 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$ 356.
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 4 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 381 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$ 405, 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$ 240), Air Transat (C$ 264), and United Airlines (C$ 265) offers the cheapest pricing from Ottawa to Las Vegas. Users have found that Air Canada 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$ 168 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$ 173 and C$ 188, respectively.
Can I find deals for flights from Ottawa to Las Vegas that include hotel bookings?
Yes. In addition to deals on Ottawa to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ottawa to Las Vegas?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Las Vegas.
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, January 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$ 341). 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
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 4 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 4 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 4 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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