Cheap flights from Ottawa to Las Vegas from C$ 206
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/10. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAS
12 Oct — 19 Oct1
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 March 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 12 September 2026.
Thu 22/1012:25 p.m. -
1 stop9h 05m
Wed 28/1012:50 p.m. -
1 stop9h 10m
Deal found 11/9C$ 310
Thu 22/1012:25 p.m. -
1 stop9h 05m
Fri 30/1012:50 p.m. -
1 stop9h 10m
Deal found 9/9C$ 312
Wed 18/115:30 a.m. -
2 stops13h 25m
Sun 22/119:35 a.m. -
2 stops11h 26m
Deal found 10/9C$ 323
Mon 19/1012:25 p.m. -
1 stop9h 05m
Wed 28/1012:50 p.m. -
1 stop9h 10m
Deal found 8/9C$ 326
Sun 6/125:30 a.m. -
2 stops13h 25m
Thu 10/1211:50 a.m. -
1 stop9h 11m
Deal found 10/9C$ 327
Fri 4/126:10 a.m. -
2 stops13h 05m
Fri 11/1210:45 a.m. -
2 stops10h 59m
Deal found 11/9C$ 337
Sat 3/1012:25 p.m. -
2 stops12h 15m
Wed 7/106:10 p.m. -
1 stop8h 25m
Deal found 10/9C$ 338
Sat 10/1012:25 p.m. -
2 stops12h 15m
Sat 17/106:10 p.m. -
1 stop8h 25m
Deal found 12/9C$ 342
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 12 September 2026.
Tue 27/103:10 p.m. -
1 stop11h 05m
Fri 30/1011:45 p.m. -
1 stop12h 22m
Deal found 10/9C$ 387
Sun 4/106:25 a.m. -
1 stop17h 05m
Wed 7/1011:25 p.m. -
1 stop6h 54m
Deal found 10/9C$ 432
Thu 15/106:01 p.m. -
1 stop17h 42m
Mon 19/1011:55 p.m. -
1 stop7h 01m
Deal found 10/9C$ 439
Fri 9/106:01 p.m. -
1 stop17h 42m
Wed 14/1011:25 p.m. -
1 stop7h 53m
Deal found 11/9C$ 479
Sat 3/106:05 a.m. -
1 stop8h 13m
Tue 20/1010:40 p.m. -
1 stop7h 31m
Deal found 9/9C$ 439
Mon 5/105:20 p.m. -
1 stop7h 53m
Tue 20/1010:40 p.m. -
1 stop7h 31m
Deal found 9/9C$ 439
Sat 3/106:25 a.m. -
1 stop14h 36m
Mon 19/1011:55 p.m. -
1 stop7h 01m
Deal found 10/9C$ 459
Mon 5/106:01 p.m. -
1 stop17h 42m
Fri 9/1010:40 p.m. -
1 stop7h 31m
Deal found 10/9C$ 459
Thu 29/106:00 a.m. -
1 stop9h 04m
Mon 2/115:30 p.m. -
2 stops16h 41m
Deal found 12/9C$ 479
Sat 31/103:10 p.m. -
1 stop9h 37m
Sat 7/115:15 p.m. -
2 stops17h 54m
Deal found 11/9C$ 479
Last-minute flights from Ottawa to Las Vegas
Discover last-minute flight deals from Ottawa to Las Vegas. Data last updated 12 September 2026 and is based on user searches.
Sat 3/1012:25 p.m. -
2 stops12h 15m
Wed 7/106:10 p.m. -
1 stop8h 25m
Deal found 10/9C$ 338
Sat 3/1012:25 p.m. -
2 stops12h 15m
Thu 22/106:10 p.m. -
1 stop8h 25m
Deal found 9/9C$ 345
Sat 10/1012:25 p.m. -
2 stops12h 15m
Sat 17/106:10 p.m. -
1 stop8h 25m
Deal found 12/9C$ 342
Mon 19/1012:25 p.m. -
1 stop9h 05m
Wed 28/1012:50 p.m. -
1 stop9h 10m
Deal found 8/9C$ 326
Thu 22/1012:25 p.m. -
1 stop9h 05m
Wed 28/1012:50 p.m. -
1 stop9h 10m
Deal found 11/9C$ 310
Thu 22/1012:25 p.m. -
1 stop9h 05m
Fri 30/1012:50 p.m. -
1 stop9h 10m
Deal found 9/9C$ 312
Fri 23/107:20 a.m. -
1 stop11h 10m
Wed 28/1012:50 p.m. -
1 stop9h 10m
Deal found 8/9C$ 349
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 12 September 2026.
Fri 23/1012:25 p.m. -
2 stops12h 15m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 11/9C$ 206
Mon 28/97:20 a.m. -
2 stops11h 25m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 8/9C$ 226
Tue 8/125:45 a.m. -
1 stop8h 10m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 8/9C$ 230
Sun 27/97:20 a.m. -
2 stops12h 15m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 8/9C$ 233
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 12 September 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 7,457,451 searches. Data last updated 12 September 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 Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Fri 23/10
12:25 p.m.-9:40 p.m.
2 stops12h 15m
Las Vegas Harry Reid Intl
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 206
Quickest round-trip
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Mon 28/9
7:20 a.m.-3:45 p.m.
2 stops11h 25m
Las Vegas Harry Reid Intl
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 251
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Sun 27/9
7:20 a.m.-4:35 p.m.
2 stops12h 15m
Las Vegas Harry Reid Intl
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 258
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Mon 28/9
6:01 p.m.-8:43 a.m.
1 stop17h 42m
Las Vegas Harry Reid Intl
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 285
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Sun 27/9
6:00 a.m.-4:03 p.m.
2 stops13h 03m
Las Vegas Harry Reid Intl
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 287
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Sat 13/2
6:15 a.m.-8:07 p.m.
2 stops16h 52m
Las Vegas Harry Reid Intl
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 292
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Thu 11/2
4:15 p.m.-9:55 a.m.
2 stops20h 40m
Las Vegas Harry Reid Intl
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 298
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Tue 27/10
3:10 p.m.-11:15 p.m.
1 stop11h 05m
Las Vegas Harry Reid Intl
Fri 30/10
11:45 p.m.-3:07 p.m.
1 stop12h 22m
C$ 387
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Sun 4/10
6:25 a.m.-8:30 p.m.
1 stop17h 05m
Las Vegas Harry Reid Intl
Wed 7/10
11:25 p.m.-9:19 a.m.
1 stop6h 54m
C$ 432
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Thu 15/10
6:01 p.m.-8:43 a.m.
1 stop17h 42m
Las Vegas Harry Reid Intl
Mon 19/10
11:55 p.m.-9:56 a.m.
1 stop7h 01m
C$ 439
Flights are sorted by cheapest round-trip flights first.
Deals found on 11/9
Showing 1-10 of 17 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
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, March is the cheapest month in which you can book a flight from Ottawa to Las Vegas (average of C$ 539). Flying from Ottawa to Las Vegas in December is currently the most expensive (average of C$ 658). 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?
Airfare is below average for this route at the moment.
Ottawa to Las Vegas flights typically cost between C$ 463 and C$ 762 in October.The cheapest round-trip price found within the last 5 days was C$ 310 on WestJet (22 Oct-28 Oct).
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.
Calgary (YYC) – chosen by Cheapflights users on 34% 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$ 457.
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: 8h 02m.
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 34m.
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 12 September 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.
The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
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$ 387, United Airlines can have you in Las Vegas from Ottawa in 11h 05m. 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, WestJet (C$ 304), United Airlines (C$ 313), and Air Canada (C$ 362) offers the cheapest pricing from Ottawa to Las Vegas. Users have found that WestJet is 48% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Ottawa to Las Vegas one-way?
C$ 156 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$ 187 and C$ 233, 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$ 564, our data indicates the cheapest price to be C$ 475. The most popular route (Ottawa - Las Vegas Harry Reid Intl), is priced around C$ 387.
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, March is the cheapest month in which you can book a flight from Ottawa to Las Vegas (average of C$ 539). Flying from Ottawa to Las Vegas in December is currently the most expensive (average of C$ 658). 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 12 September 2026.
Explore flights to Las Vegas departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 12 September 2026.
Browse through other flights departing from Ottawa. Flights are based on user searches made on Cheapflights and were last updated on 12 September 2026.
Discover the top 4 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 7,457,451 searches. Data last updated 12 September 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?
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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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