$117+ Cheap flights from Ottawa (YOW) to Las Vegas (LAS)
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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAS
Mar 15 — Mar 221
1 adult, Economy
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Find cheap flights from Ottawa to Las Vegas with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Ottawa to Las Vegas Harry Reid Intl are usually found in May or April, booked 28 days in advance, depart on a Tuesday or Wednesday and return on a Monday
Cheap flight deals from Ottawa to Las Vegas
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ottawa to Las VegasExplore 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 February 13, 2026.
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 February 13, 2026.
This Trip.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/86:00 am
YOW
- LAS
2 stops15h 39m
WestJet
Wed 3/2511:20 am
LAS
- YOW
1 stop10h 20m
WestJet
Deal found 2/11![WestJet logo]()
$166
This Trip.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/55:40 am
YOW
- LAS
2 stops15h 33m
WestJet
Wed 4/811:20 am
LAS
- YOW
1 stop10h 20m
WestJet
Deal found 2/11![WestJet logo]()
$174
This oojo deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/245:40 am
YOW
- LAS
2 stops15h 33m
WestJet
Tue 3/318:05 am
LAS
- YOW
2 stops13h 34m
WestJet
Deal found 2/12![WestJet logo]()
$185
This FlightHub deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/35:55 am
YOW
- LAS
2 stops13h 40m
WestJet
Fri 5/88:30 am
LAS
- YOW
2 stops12h 50m
WestJet
Deal found 2/11![WestJet logo]()
$192
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:40 am
YOW
- LAS
2 stops15h 33m
WestJet
Tue 3/178:05 am
LAS
- YOW
2 stops13h 34m
WestJet
Deal found 2/10![WestJet logo]()
$194
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/225:45 pm
YOW
- LAS
2 stops18h 31m
WestJet
Wed 3/2511:20 am
LAS
- YOW
1 stop10h 20m
WestJet
Deal found 2/10![WestJet logo]()
$196
This Trip.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/35:55 am
YOW
- LAS
2 stops13h 40m
WestJet
Wed 5/61:20 pm
LAS
- YOW
2 stops13h 20m
WestJet
Deal found 2/11![WestJet logo]()
$198
This Trip.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/83:05 pm
YOW
- LAS
1 stop9h 57m
Multiple Airlines
Wed 3/2511:20 am
LAS
- YOW
1 stop10h 20m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$199
Best flights from Ottawa to Las VegasDiscover 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 February 13, 2026.
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 February 13, 2026.
This oojo deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/195:40 am
YOW
- LAS
1 stop19h 32m
WestJet
Thu 3/2611:20 am
LAS
- YOW
1 stop10h 20m
WestJet
Deal found 2/12![WestJet logo]()
$205
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/243:15 pm
YOW
- LAS
1 stop10h 19m
United Airlines
Mon 3/3011:59 pm
LAS
- YOW
1 stop11h 00m
United Airlines
Deal found 2/11![United Airlines logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/75:55 am
YOW
- LAS
2 stops13h 40m
WestJet
Wed 6/106:10 pm
LAS
- YOW
1 stop8h 30m
WestJet
Deal found 2/10![WestJet logo]()
$213
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:20 am
YOW
- LAS
2 stops14h 40m
United Airlines
Mon 3/97:03 pm
LAS
- YOW
2 stops16h 24m
United Airlines
Deal found 2/10![United Airlines logo]()
$226
This FlightHub deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:45 pm
YOW
- LAS
1 stop30h 48m
WestJet
Tue 4/2812:35 pm
LAS
- YOW
1 stop8h 45m
WestJet
Deal found 2/11![WestJet logo]()
$215
This United Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1410:00 am
YOW
- LAS
1 stop8h 21m
United Airlines
Thu 4/1610:40 pm
LAS
- YOW
1 stop7h 31m
United Airlines
Deal found 2/12![United Airlines logo]()
$226
This Trip.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/111:20 pm
YOW
- LAS
1 stop11h 20m
WestJet
Fri 7/176:10 pm
LAS
- YOW
1 stop8h 30m
WestJet
Deal found 2/11![WestJet logo]()
$223
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:00 am
YOW
- LAS
1 stop11h 00m
United Airlines
Wed 4/84:35 pm
LAS
- YOW
2 stops13h 36m
United Airlines
Deal found 2/9![United Airlines logo]()
$226
This oojo deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:55 am
YOW
- LAS
2 stops14h 20m
WestJet
Sat 5/1611:30 am
LAS
- YOW
2 stops27h 05m
WestJet
Deal found 2/12![WestJet logo]()
$223
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:00 am
YOW
- LAS
1 stop11h 00m
United Airlines
Mon 4/610:40 pm
LAS
- YOW
1 stop7h 31m
United Airlines
Deal found 2/9![United Airlines logo]()
$226
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:48 pm
YOW
- LAS
2 stops18h 20m
United Airlines
Fri 2/279:58 am
LAS
- YOW
2 stops8h 58m
United Airlines
Deal found 2/10![United Airlines logo]()
$226
Last-minute flights from Ottawa to Las VegasDiscover last-minute flight deals from Ottawa to Las Vegas. Data last updated February 13, 2026 and is based on user searches.
Discover last-minute flight deals from Ottawa to Las Vegas. Data last updated February 13, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/86:00 am
YOW
- LAS
2 stops15h 39m
WestJet
Wed 3/2511:20 am
LAS
- YOW
1 stop10h 20m
WestJet
Deal found 2/11![WestJet logo]()
$166
This Trip.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/83:05 pm
YOW
- LAS
1 stop9h 57m
Multiple Airlines
Wed 3/2511:20 am
LAS
- YOW
1 stop10h 20m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$199
This oojo deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/86:00 am
YOW
- LAS
2 stops15h 39m
WestJet
Fri 3/1311:25 pm
LAS
- YOW
1 stop22h 14m
WestJet
Deal found 2/9![WestJet logo]()
$206
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:40 am
YOW
- LAS
2 stops15h 33m
WestJet
Tue 3/178:05 am
LAS
- YOW
2 stops13h 34m
WestJet
Deal found 2/10![WestJet logo]()
$194
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/225:45 pm
YOW
- LAS
2 stops18h 31m
WestJet
Wed 3/2511:20 am
LAS
- YOW
1 stop10h 20m
WestJet
Deal found 2/10![WestJet logo]()
$196
This Trip.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/223:05 pm
YOW
- LAS
1 stop9h 57m
Multiple Airlines
Wed 3/2511:20 am
LAS
- YOW
1 stop10h 20m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$200
This oojo deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/245:40 am
YOW
- LAS
2 stops15h 33m
WestJet
Tue 3/318:05 am
LAS
- YOW
2 stops13h 34m
WestJet
Deal found 2/12![WestJet logo]()
$185
One-way flights from Ottawa to Las VegasSearch for one-way flight options from Ottawa to Las Vegas. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
Search for one-way flight options from Ottawa to Las Vegas. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
This Trip.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:40 am
YOW
- LAS
2 stops15h 33m
WestJet
Deal found 2/12![WestJet logo]()
$117
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/95:40 am
YOW
- LAS
2 stops15h 33m
WestJet
Deal found 2/10![WestJet logo]()
$123
This Air Canada deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/92:50 pm
YOW
- LAS
1 stop8h 49m
Air Canada
Deal found 2/10![Air Canada logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/65:45 pm
YOW
- LAS
2 stops21h 34m
WestJet
Deal found 2/12![WestJet logo]()
$134
This United Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/97:30 pm
YOW
- LAS
1 stop18h 48m
United Airlines
Deal found 2/12![United Airlines logo]()
$136
This FlightHub deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/53:05 pm
YOW
- LAS
1 stop9h 57m
Porter Airlines
Deal found 2/12![Porter Airlines logo]()
$137
This oojo deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:00 am
YOW
- LAS
2 stops33h 19m
WestJet
Deal found 2/12![WestJet logo]()
$138
This Air Canada deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/62:50 pm
YOW
- LAS
1 stop9h 50m
Air Canada
Deal found 2/10![Air Canada logo]()
$139
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:20 am
YOW
- LAS
2 stops9h 42m
United Airlines
Deal found 2/10![United Airlines logo]()
$141
This United Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/73:10 pm
YOW
- LAS
1 stop10h 05m
United Airlines
Deal found 2/12![United Airlines logo]()
$142
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/27:30 pm
YOW
- LAS
2 stops17h 05m
United Airlines
Deal found 2/10![United Airlines logo]()
$147
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 February 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $166 (Trip.com) |
One-way from | $117 (Trip.com) |
Popular in | December |
Cheapest in | May |
Average price | $328 |
Cheapflights Fare Finder
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 2,558,603 searches. Data last updated February 13, 2026.
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
Thu 3/19
5:40 am-10:12 pm
1 stop19h 32m
Las Vegas Harry Reid Intl
Thu 3/26
11:20 am-12:40 am
1 stop10h 20m
$205
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Sun 6/7
5:55 am-4:35 pm
2 stops13h 40m
Las Vegas Harry Reid Intl
Wed 6/10
6:10 pm-5:40 am
1 stop8h 30m
$213
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Thu 4/23
5:45 pm-9:33 pm
1 stop30h 48m
Las Vegas Harry Reid Intl
Tue 4/28
12:35 pm-12:20 am
1 stop8h 45m
$215
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Tue 3/24
3:15 pm-10:34 pm
1 stop10h 19m
Las Vegas Harry Reid Intl
Mon 3/30
11:59 pm-1:59 pm
1 stop11h 00m
$216
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Sat 7/11
1:20 pm-9:40 pm
1 stop11h 20m
Las Vegas Harry Reid Intl
Fri 7/17
6:10 pm-5:40 am
1 stop8h 30m
$223
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Tue 5/12
5:55 am-5:15 pm
2 stops14h 20m
Las Vegas Harry Reid Intl
Sat 5/16
11:30 am-5:35 pm
2 stops27h 05m
$223
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Thu 3/5
6:20 am-6:00 pm
2 stops14h 40m
Las Vegas Harry Reid Intl
Mon 3/9
7:03 pm-2:27 pm
2 stops16h 24m
$226
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Tue 4/14
10:00 am-3:21 pm
1 stop8h 21m
Las Vegas Harry Reid Intl
Thu 4/16
10:40 pm-9:11 am
1 stop7h 31m
$226
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Thu 2/26
6:00 am-2:00 pm
1 stop11h 00m
Las Vegas Harry Reid Intl
Wed 4/8
4:35 pm-9:11 am
2 stops13h 36m
$226
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Thu 2/26
6:00 am-2:00 pm
1 stop11h 00m
Las Vegas Harry Reid Intl
Mon 4/6
10:40 pm-9:11 am
1 stop7h 31m
$226
Showing 1-10 of 21 results
Compare providers for flights from Ottawa to Las Vegas
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ottawa to Las Vegas in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ottawa-Las Vegas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ottawa-Las Vegas flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ottawa-Las Vegas flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ottawa-Las Vegas flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ottawa-Las Vegas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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
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 February 6, 2026.
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, February is the cheapest month in which you can book a flight from Ottawa to Las Vegas (average of $120). Flying from Ottawa to Las Vegas in August is currently the most expensive (average of $242). 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 often are flights from Ottawa to Las Vegas delayed?
About 34% of weekly flights between Ottawa and Las Vegas have experienced delays in the past year, with the average delay time being 157 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 last year, Porter Airlines have had the lowest number of delays on this route, with just 33% of flights being delayed.
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 February 13, 2026.
Read reviews from past customers who have flown Porter Airlines, United Airlines, and WestJet from Ottawa to Las Vegas. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.2
Comfort
7.9
Crew
8.6
Food
7.5
Entertainment
6.9
Overall
7.9
Reviews
1 / 20
2.0
MediocreMilad,Feb 2026
LIR - YYZ
Boarding
8.2
Comfort
7.9
Crew
8.6
Food
7.5
Entertainment
6.9
Overall
7.9
Reviews
1 / 20
2.0
MediocreMilad,Feb 2026
LIR - YYZ
Boarding
8.2
Comfort
7.9
Crew
8.6
Food
7.5
Entertainment
6.9
Overall
7.9
Reviews
1 / 20
2.0
MediocreMilad,Feb 2026
LIR - YYZ
Boarding
8.2
Comfort
7.9
Crew
8.6
Food
7.5
Entertainment
6.9
Overall
7.9
Reviews
1 / 20
2.0
MediocreMilad,Feb 2026
LIR - YYZ
Boarding
8.2
Comfort
7.9
Crew
8.6
Food
7.5
Entertainment
6.9
Overall
7.9
Reviews
1 / 20
2.0
MediocreMilad,Feb 2026
LIR - YYZ
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.
Traveling to a place near Las Vegas?
Book flights to Las Vegas if you plan to visit one of these locationsParadise
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Top 4 airlines flying from Ottawa to Las Vegas
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 2,558,603 searches. Data last updated February 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$139 | Average$418 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$140 | Average$448 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$179 | Average$305 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$216 | Average$313 | FlexibilityNo cancel fee | On-time60% |