$182+ Cheap flights from Ottawa (YOW) to Las Vegas (LAS)
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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAS
Nov 24 — Dec 11
Round-trip
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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ottawa to Las Vegas
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Best
Last-minute
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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 October 25, 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 October 25, 2026.
This Air Canada deal was found by Cheapflights users on 10/22. 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.
Sat 11/145:45 am -
1 stop8h 30m
Wed 11/1812:10 pm -
1 stop7h 22m
Deal found 10/22![Air Canada logo]()
$273
This Air Canada deal was found by Cheapflights users on 10/22. 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.
Wed 11/185:45 am -
1 stop8h 30m
Tue 11/2412:10 pm -
1 stop7h 22m
Deal found 10/22![Air Canada logo]()
$274
This Air Canada deal was found by Cheapflights users on 10/22. 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.
Sat 11/145:45 am -
1 stop8h 30m
Fri 11/2011:50 pm -
1 stop8h 30m
Deal found 10/22![Air Canada logo]()
$278
This Air Canada deal was found by Cheapflights users on 10/23. 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 11/205:45 am -
1 stop8h 30m
Fri 11/2711:50 pm -
1 stop8h 30m
Deal found 10/23![Air Canada logo]()
$282
This Air Canada deal was found by Cheapflights users on 10/23. 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 11/136:00 am -
1 stop8h 22m
Mon 11/1611:50 pm -
1 stop8h 30m
Deal found 10/23![Air Canada logo]()
$283
This Air Canada deal was found by Cheapflights users on 10/21. 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 11/1610:05 am -
1 stop15h 42m
Tue 11/2412:10 pm -
1 stop7h 22m
Deal found 10/21![Air Canada logo]()
$285
This Air Canada deal was found by Cheapflights users on 10/22. 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 12/115:45 am -
1 stop8h 30m
Sun 12/1311:50 pm -
1 stop14h 30m
Deal found 10/22![Air Canada logo]()
$287
This Justfly.com deal was found by Cheapflights users on 10/24. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:45 pm -
1 stop7h 48m
Sat 11/282:35 pm -
1 stop7h 02m
Deal found 10/24![Porter Airlines logo]()
$299
This SmartFares deal was found by Cheapflights users on 10/20. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:00 am -
1 stop8h 22m
Fri 12/1112:10 pm -
1 stop7h 22m
Deal found 10/20![Air Canada logo]()
$302
This United Airlines deal was found by Cheapflights users on 10/21. 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 12/226:15 am -
2 stops14h 08m
Sun 12/2711:59 pm -
1 stop10h 12m
Deal found 10/21![United Airlines logo]()
$310
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 October 25, 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 October 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Sat 12/194:42 pm -
1 stop8h 56m
Fri 12/255:15 am -
2 stops13h 08m
Deal found 10/21![United Airlines logo]()
$310
This United deal was found by Cheapflights users on 10/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:15 am -
2 stops12h 48m
Fri 11/1311:50 pm -
1 stop8h 30m
Deal found 10/20![Multiple Airlines logo]()
$390
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Sat 11/143:10 pm -
1 stop11h 06m
Tue 11/1712:59 am -
2 stops10h 10m
Deal found 10/22![United Airlines logo]()
$310
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Sun 12/203:10 pm -
1 stop9h 26m
Thu 12/316:00 am -
2 stops12h 23m
Deal found 10/21![United Airlines logo]()
$310
This United Airlines deal was found by Cheapflights users on 10/21. 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 12/36:15 am -
2 stops11h 04m
Mon 12/711:59 pm -
1 stop12h 08m
Deal found 10/21![United Airlines logo]()
$310
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Wed 3/3112:30 pm -
1 stop11h 32m
Fri 4/910:30 pm -
1 stop7h 41m
Deal found 10/23![United Airlines logo]()
$325
This United Airlines deal was found by Cheapflights users on 10/23. 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 12/82:00 pm -
1 stop10h 48m
Mon 12/1412:59 am -
2 stops10h 10m
Deal found 10/23![United Airlines logo]()
$325
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Fri 4/212:30 pm -
1 stop12h 47m
Tue 4/137:00 am -
1 stop7h 14m
Deal found 10/23![United Airlines logo]()
$325
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Fri 12/184:42 pm -
1 stop8h 56m
Mon 12/2111:59 pm -
1 stop10h 12m
Deal found 10/22![United Airlines logo]()
$386
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Fri 1/15:10 am -
2 stops12h 54m
Mon 1/44:34 pm -
2 stops18h 35m
Deal found 10/21![United Airlines logo]()
$393
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Fri 12/43:10 pm -
1 stop11h 11m
Sat 12/55:15 am -
2 stops13h 35m
Deal found 10/21![United Airlines logo]()
$393
Last-minute flights from Ottawa to Las VegasDiscover last-minute flight deals from Ottawa to Las Vegas. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Ottawa to Las Vegas. Data last updated October 25, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 10/23. 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 11/136:00 am -
1 stop8h 22m
Mon 11/1611:50 pm -
1 stop8h 30m
Deal found 10/23![Air Canada logo]()
$283
This Air Canada deal was found by Cheapflights users on 10/22. 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.
Sat 11/145:45 am -
1 stop8h 30m
Wed 11/1812:10 pm -
1 stop7h 22m
Deal found 10/22![Air Canada logo]()
$273
This Air Canada deal was found by Cheapflights users on 10/22. 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.
Sat 11/145:45 am -
1 stop8h 30m
Fri 11/2011:50 pm -
1 stop8h 30m
Deal found 10/22![Air Canada logo]()
$278
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Sat 11/144:46 pm -
1 stop8h 43m
Tue 11/175:15 pm -
2 stops17h 54m
Deal found 10/22![United Airlines logo]()
$325
This Air Canada deal was found by Cheapflights users on 10/21. 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 11/1610:05 am -
1 stop15h 42m
Tue 11/2412:10 pm -
1 stop7h 22m
Deal found 10/21![Air Canada logo]()
$285
This Air Canada deal was found by Cheapflights users on 10/22. 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.
Wed 11/185:45 am -
1 stop8h 30m
Tue 11/2412:10 pm -
1 stop7h 22m
Deal found 10/22![Air Canada logo]()
$274
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Wed 11/186:15 am -
2 stops11h 57m
Tue 11/2412:59 am -
2 stops10h 10m
Deal found 10/21![United Airlines logo]()
$310
This United deal was found by Cheapflights users on 10/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:00 am -
2 stops12h 12m
Thu 11/2612:10 pm -
1 stop7h 22m
Deal found 10/22![Multiple Airlines logo]()
$320
This Air Canada deal was found by Cheapflights users on 10/23. 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 11/205:45 am -
1 stop8h 30m
Fri 11/2711:50 pm -
1 stop8h 30m
Deal found 10/23![Air Canada logo]()
$282
This Justfly.com deal was found by Cheapflights users on 10/24. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:45 pm -
1 stop7h 48m
Sat 11/282:35 pm -
1 stop7h 02m
Deal found 10/24![Porter Airlines logo]()
$299
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 October 25, 2026.
Search for one-way flight options from Ottawa to Las Vegas. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/22. 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 1/253:10 pm -
1 stop9h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![United Airlines logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 12/75:40 pm -
1 stop7h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Air Transat logo]()
$183
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Sun 12/63:10 pm -
1 stop11h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![United Airlines logo]()
$184
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Sun 11/226:00 am -
1 stop9h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![United Airlines logo]()
$192
This Air Canada deal was found by Cheapflights users on 10/21. 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.
Wed 2/244:36 pm -
1 stop8h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Air Canada logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 12/77:00 am -
2 stops16h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$233
This Air Canada deal was found by Cheapflights users on 10/22. 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.
Sat 11/76:15 am -
1 stop8h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Air Canada logo]()
$268
This Air Canada deal was found by Cheapflights users on 10/22. 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.
Wed 11/45:45 am -
1 stop8h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Air Canada logo]()
$271
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Sat 11/76:15 am -
2 stops15h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![United Airlines logo]()
$275
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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $273 (Air Canada) |
One-way from | $182 (United Airlines) |
Popular in | February |
Cheapest in | March |
Average price | $408 |
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 7,457,451 searches. Data last updated October 25, 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
Cheapest round-trip
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Mon 1/25
3:10 pm-9:53 pm
1 stop9h 43m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$182
Quickest round-trip
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Mon 12/7
5:40 pm-10:34 pm
1 stop7h 54m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$183
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Mon 12/7
2:00 pm-12:30 am
2 stops13h 30m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$192
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Sun 11/22
6:00 am-12:04 pm
1 stop9h 04m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$192
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Mon 12/7
10:15 am-8:27 pm
3 stops37h 12m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$249
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Sat 11/7
6:15 am-6:23 pm
2 stops15h 08m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$275
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Wed 2/24
2:48 pm-11:18 pm
2 stops11h 30m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$294
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Fri 3/5
7:00 am-1:37 pm
1 stop9h 37m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$296
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Fri 3/5
6:10 am-4:15 pm
2 stops13h 05m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$303
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Sat 12/19
4:42 pm-10:38 pm
1 stop8h 56m
Las Vegas Harry Reid Intl
Fri 12/25
5:15 am-9:23 pm
2 stops13h 08m
$310
Showing 1-10 of 20 resultsSorted by cheapest first
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy1 star | 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
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 76 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 $389). Flying from Ottawa to Las Vegas in February is currently the most expensive (average of $503). 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 $354 and $500 in November.The cheapest round-trip price found within the last 5 days was $273 on Air Canada (Nov 14-Nov 18).
What’s the top layover airport for flights from Ottawa to Las Vegas?
Share of 1-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 50% of 1-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.
Calgary (YYC) is the most affordable 1-stop option, with an average round-trip price of $357.
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 Toronto (YYZ) have the shortest average one-way travel time for 1-stop routes: 7h 42m.
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 Toronto (YYZ) offer the fastest connection on this route, with an average layover time of 1h 46m.
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 October 25, 2026.
Read reviews from past customers who have flown Porter Airlines,United Airlines, andWestJet 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.
Food
7.6
Entertainment
6.9
Comfort
8.0
Crew
8.6
Boarding
8.2
Overall
8.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Food
7.6
Entertainment
6.9
Comfort
8.0
Crew
8.6
Boarding
8.2
Overall
8.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Food
7.6
Entertainment
6.9
Comfort
8.0
Crew
8.6
Boarding
8.2
Overall
8.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Food
7.6
Entertainment
6.9
Comfort
8.0
Crew
8.6
Boarding
8.2
Overall
8.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Food
7.6
Entertainment
6.9
Comfort
8.0
Crew
8.6
Boarding
8.2
Overall
8.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
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
Mesquite
Henderson
Kingman
North Las Vegas
Boulder City
Winchester
Sunrise Manor
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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 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$242 | Average$295 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$242 | Average$448 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$282 | Average$451 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$333 | Average$490 | FlexibilityNo cancel fee | On-time52% |