$168+ Cheap flights from Ontario 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAS
Oct 1 — Oct 81
Round-trip
1 adult, Economy
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Find cheap flights from Ontario 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.Cheap flight deals from Ontario to Las Vegas
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Cheapest flights from Ontario to Las VegasExplore the most affordable flight options available from Ontario to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 1, 2026.
Explore the most affordable flight options available from Ontario to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 1, 2026.
This Justfly.com deal was found by Cheapflights users on 8/27. 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.
Thu 11/265:30 am -
2 stops13h 25m
Thu 12/311:50 am -
1 stop9h 11m
Deal found 8/27![WestJet logo]()
$231
This FlightHub deal was found by Cheapflights users on 8/27. 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.
Wed 11/185:30 am -
2 stops13h 25m
Sun 11/229:35 am -
2 stops11h 26m
Deal found 8/27![WestJet logo]()
$244
This FlightHub deal was found by Cheapflights users on 8/27. 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 10/295:15 pm -
2 stops20h 40m
Thu 11/511:50 am -
1 stop9h 11m
Deal found 8/27![WestJet logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 10/197:20 am -
1 stop11h 10m
Wed 10/287:45 am -
2 stops13h 59m
Deal found 8/27![WestJet logo]()
$262
This Justfly.com deal was found by Cheapflights users on 9/1. 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.
Wed 9/233:50 pm -
1 stop8h 50m
Mon 9/284:35 pm -
1 stop9h 35m
Deal found 9/1![WestJet logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Fri 10/238:35 pm -
Nonstop4h 47m
Tue 10/275:45 pm -
1 stop9h 15m
Deal found 8/27![Multiple Airlines logo]()
$271
This Air Canada deal was found by Cheapflights users on 8/27. 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 9/195:30 pm -
1 stop7h 53m
Tue 9/2211:25 pm -
1 stop7h 40m
Deal found 8/27![Air Canada logo]()
$272
This Trip.com deal was found by Cheapflights users on 8/27. 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.
Mon 10/128:00 am -
1 stop13h 30m
Thu 10/151:45 pm -
1 stop8h 20m
Deal found 8/27![WestJet logo]()
$272
This SmartFares deal was found by Cheapflights users on 9/1. 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 10/912:40 pm -
2 stops12h 00m
Tue 10/136:10 pm -
1 stop9h 45m
Deal found 9/1![WestJet logo]()
$273
This Cheapflightsfares deal was found by Cheapflights users on 9/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:50 am -
1 stop9h 25m
Thu 9/248:30 am -
1 stop9h 45m
Deal found 9/1![WestJet logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 8/28. 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.
Tue 10/206:50 am -
2 stops13h 25m
Thu 10/224:30 pm -
1 stop10h 05m
Deal found 8/28![WestJet logo]()
$275
This Cheapflightsfares deal was found by Cheapflights users on 8/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/269:00 am -
1 stop15h 40m
Sat 10/38:30 am -
1 stop9h 45m
Deal found 8/27![WestJet logo]()
$275
Best flights from Ontario to Las VegasDiscover carefully curated flight deals from Ontario to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 1, 2026.
Discover carefully curated flight deals from Ontario to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 1, 2026.
This Justfly.com deal was found by Cheapflights users on 8/27. 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.
Thu 11/265:30 am -
2 stops13h 25m
Thu 12/311:50 am -
1 stop9h 11m
Deal found 8/27![WestJet logo]()
$231
This United deal was found by Cheapflights users on 8/27. 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 11/265:10 pm -
1 stop18h 32m
Mon 11/3011:50 pm -
Nonstop4h 20m
Deal found 8/27![Multiple Airlines logo]()
$271
This United Airlines deal was found by Cheapflights users on 8/27. 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 10/296:15 am -
2 stops11h 57m
Wed 11/412:59 am -
2 stops17h 17m
Deal found 8/27![United Airlines logo]()
$277
This Porter Airlines deal was found by Cheapflights users on 8/28. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/228:30 pm -
Nonstop5h 07m
Sun 11/299:40 am -
1 stop8h 00m
Deal found 8/28![Porter Airlines logo]()
$341
This Air Canada deal was found by Cheapflights users on 8/28. 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 12/1110:35 am -
1 stop15h 12m
Sat 12/1211:50 pm -
1 stop7h 05m
Deal found 8/28![Air Canada logo]()
$355
This Delta deal was found by Cheapflights users on 8/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/22:46 pm -
1 stop11h 49m
Fri 11/611:43 am -
1 stop8h 39m
Deal found 8/27![Delta logo]()
$459
This United deal was found by Cheapflights users on 8/27. 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.
Fri 11/272:57 pm -
1 stop8h 24m
Mon 11/3011:50 pm -
Nonstop4h 20m
Deal found 8/27![Multiple Airlines logo]()
$271
This Cheapflightsfares deal was found by Cheapflights users on 8/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:40 pm -
1 stop17h 00m
Sun 9/138:30 am -
1 stop8h 20m
Deal found 8/31![WestJet logo]()
$299
This United Airlines deal was found by Cheapflights users on 8/27. 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 10/22:45 pm -
1 stop8h 43m
Tue 10/65:07 pm -
1 stop10h 53m
Deal found 8/27![United Airlines logo]()
$308
This United deal was found by Cheapflights users on 8/27. 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 10/2012:45 pm -
1 stop10h 23m
Sat 10/2411:30 pm -
Nonstop4h 19m
Deal found 8/27![Multiple Airlines logo]()
$294
This Justfly.com deal was found by Cheapflights users on 8/31. 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.
Fri 9/118:40 pm -
1 stop17h 00m
Sat 9/198:30 am -
1 stop8h 20m
Deal found 8/31![WestJet logo]()
$310
This United Airlines deal was found by Cheapflights users on 8/27. 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 9/196:05 am -
1 stop13h 48m
Wed 9/2311:57 pm -
1 stop6h 59m
Deal found 8/27![United Airlines logo]()
$315
This Porter Airlines deal was found by Cheapflights users on 8/29. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/138:30 pm -
Nonstop5h 07m
Mon 2/159:40 am -
1 stop8h 00m
Deal found 8/29![Porter Airlines logo]()
$357
This United deal was found by Cheapflights users on 8/27. 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.
Sat 9/2610:45 am -
1 stop9h 21m
Sat 10/311:30 pm -
Nonstop4h 19m
Deal found 8/27![Multiple Airlines logo]()
$308
This United Airlines deal was found by Cheapflights users on 8/31. 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 10/48:50 am -
1 stop14h 40m
Fri 10/911:59 pm -
1 stop10h 48m
Deal found 8/31![United Airlines logo]()
$315
This Justfly.com deal was found by Cheapflights users on 8/31. 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.
Thu 9/108:40 pm -
2 stops18h 50m
Sat 9/198:30 am -
1 stop8h 20m
Deal found 8/31![WestJet logo]()
$319
This United Airlines deal was found by Cheapflights users on 8/31. 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 10/273:45 pm -
1 stop9h 14m
Thu 11/55:15 am -
1 stop6h 47m
Deal found 8/31![United Airlines logo]()
$315
This Air Canada deal was found by Cheapflights users on 8/31. 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.
Tue 10/275:10 pm -
1 stop8h 37m
Fri 10/306:00 am -
2 stops13h 36m
Deal found 8/31![Air Canada logo]()
$425
This FlightHub deal was found by Cheapflights users on 8/27. 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.
Fri 9/111:20 pm -
1 stop11h 20m
Sun 9/134:35 pm -
1 stop16h 55m
Deal found 8/27![WestJet logo]()
$326
This Porter Airlines deal was found by Cheapflights users on 8/28. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/295:25 pm -
1 stop8h 12m
Sat 12/511:35 pm -
2 stops16h 10m
Deal found 8/28![Porter Airlines logo]()
$402
This oojo deal was found by Cheapflights users on 9/1. 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.
Fri 9/187:50 pm -
1 stop28h 50m
Sun 9/208:30 am -
2 stops31h 15m
Deal found 9/1![WestJet logo]()
$338
This United Airlines deal was found by Cheapflights users on 8/31. 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 11/146:45 am -
1 stop7h 32m
Tue 11/179:46 am -
2 stops11h 13m
Deal found 8/31![United Airlines logo]()
$339
This Air Canada deal was found by Cheapflights users on 8/27. 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 2/58:10 am -
Nonstop5h 45m
Mon 2/811:50 pm -
1 stop8h 35m
Deal found 8/27![Air Canada logo]()
$466
This Gotogate deal was found by Cheapflights users on 8/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/186:20 am -
1 stop10h 17m
Sun 1/249:35 am -
2 stops27h 30m
Deal found 8/27![Multiple Airlines logo]()
$395
This Porter Airlines deal was found by Cheapflights users on 8/28. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/275:25 pm -
1 stop8h 12m
Sun 11/2911:35 pm -
2 stops16h 10m
Deal found 8/28![Porter Airlines logo]()
$438
This United Airlines deal was found by Cheapflights users on 8/27. 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 12/113:15 pm -
1 stop9h 33m
Mon 12/146:00 am -
1 stop7h 41m
Deal found 8/27![United Airlines logo]()
$346
This Air Canada deal was found by Cheapflights users on 8/27. 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 10/145:40 am -
2 stops12h 30m
Tue 10/206:00 pm -
2 stops12h 20m
Deal found 8/27![Air Canada logo]()
$473
This oojo deal was found by Cheapflights users on 8/28. 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 9/106:10 pm -
2 stops21h 20m
Sun 9/131:20 pm -
2 stops24h 55m
Deal found 8/28![WestJet logo]()
$369
This Porter Airlines deal was found by Cheapflights users on 8/28. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:45 am -
1 stop9h 52m
Mon 11/3011:35 pm -
2 stops16h 10m
Deal found 8/28![Porter Airlines logo]()
$463
This United Airlines deal was found by Cheapflights users on 8/29. 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 10/258:35 am -
1 stop16h 54m
Sat 10/316:45 am -
1 stop11h 30m
Deal found 8/29![United Airlines logo]()
$349
Last-minute flights from Ontario to Las VegasDiscover last-minute flight deals from Ontario to Las Vegas. Data last updated September 1, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Las Vegas. Data last updated September 1, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 8/27. 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.
Tue 9/810:00 am -
1 stop10h 15m
Tue 9/221:20 pm -
1 stop8h 45m
Deal found 8/27![WestJet logo]()
$280
This Cheapflightsfares deal was found by Cheapflights users on 8/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:00 am -
1 stop11h 15m
Tue 9/151:20 pm -
1 stop8h 45m
Deal found 8/28![WestJet logo]()
$293
This Trip.com deal was found by Cheapflights users on 8/27. 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.
Thu 9/108:15 am -
1 stop11h 20m
Thu 9/178:30 am -
2 stops10h 05m
Deal found 8/27![WestJet logo]()
$277
This Cheapflightsfares deal was found by Cheapflights users on 8/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:30 pm -
1 stop11h 10m
Mon 9/144:35 pm -
1 stop9h 35m
Deal found 8/28![WestJet logo]()
$291
This Cheapflightsfares deal was found by Cheapflights users on 8/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:00 am -
1 stop10h 15m
Tue 9/151:45 pm -
1 stop8h 20m
Deal found 8/28![WestJet logo]()
$294
This FlightHub deal was found by Cheapflights users on 8/27. 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.
Sat 9/121:20 pm -
1 stop11h 20m
Thu 9/174:30 pm -
1 stop10h 05m
Deal found 8/27![WestJet logo]()
$281
This Air Canada deal was found by Cheapflights users on 8/27. 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 9/195:30 pm -
1 stop7h 53m
Tue 9/2211:25 pm -
1 stop7h 40m
Deal found 8/27![Air Canada logo]()
$272
This Trip.com deal was found by Cheapflights users on 8/27. 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.
Thu 9/248:15 pm -
1 stop28h 25m
Sat 10/38:30 am -
2 stops12h 50m
Deal found 8/27![WestJet logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 10/197:20 am -
1 stop11h 10m
Wed 10/287:45 am -
2 stops13h 59m
Deal found 8/27![WestJet logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 8/28. 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.
Tue 10/206:50 am -
2 stops13h 25m
Thu 10/224:30 pm -
1 stop10h 05m
Deal found 8/28![WestJet logo]()
$275
This FlightHub deal was found by Cheapflights users on 8/27. 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 10/295:15 pm -
2 stops20h 40m
Thu 11/511:50 am -
1 stop9h 11m
Deal found 8/27![WestJet logo]()
$252
This United Airlines deal was found by Cheapflights users on 8/27. 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 10/296:15 am -
2 stops11h 57m
Wed 11/412:59 am -
2 stops17h 17m
Deal found 8/27![United Airlines logo]()
$277
One-way flights from Ontario to Las VegasSearch for one-way flight options from Ontario to Las Vegas. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
Search for one-way flight options from Ontario to Las Vegas. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
This Trip.com deal was found by Cheapflights users on 8/27. 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.
Fri 10/24:00 pm -
1 stop9h 22m
Deal found 8/27![Porter Airlines logo]()
$168
This Trip.com deal was found by Cheapflights users on 8/28. 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 9/137:20 am -
2 stops12h 15m
Deal found 8/28![WestJet logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Thu 9/107:20 am -
2 stops12h 15m
Deal found 8/27![WestJet logo]()
$179
This FlightHub deal was found by Cheapflights users on 8/27. 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.
Fri 9/117:00 am -
2 stops11h 45m
Deal found 8/27![WestJet logo]()
$180
This Air Canada deal was found by Cheapflights users on 9/1. 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 10/248:35 pm -
Nonstop4h 47m
Deal found 9/1![Air Canada logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 9/286:10 am -
2 stops12h 20m
Deal found 8/28![WestJet logo]()
$182
This United Airlines deal was found by Cheapflights users on 8/27. 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 9/305:15 pm -
1 stop7h 58m
Deal found 8/27![United Airlines logo]()
$183
This SmartFares deal was found by Cheapflights users on 9/1. 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.
Sun 10/258:30 pm -
Nonstop5h 07m
Deal found 9/1![Air Transat logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 9/149:00 am -
1 stop11h 15m
Deal found 8/28![WestJet logo]()
$185
This FlightHub deal was found by Cheapflights users on 9/1. 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.
Fri 9/118:40 pm -
1 stop17h 00m
Deal found 9/1![WestJet logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 10/127:00 am -
1 stop14h 30m
Deal found 8/28![Multiple Airlines logo]()
$186
This SmartFares deal was found by Cheapflights users on 8/30. 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.
Thu 1/148:30 pm -
Nonstop5h 07m
Deal found 8/30![Air Transat logo]()
$186
Find flight deals from Ontario to Las Vegas
Keep the following information in mind while searching for Ontario to Las Vegas flight deals. Data was last updated September 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $231 (Justfly.com) |
One-way from | $168 (Trip.com) |
Popular in | July |
Cheapest in | January |
Average price | $341 |
Good round-trip deal | $346 or less |
Good one-way deal | $232 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario 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 September 1, 2026.
Use the filters below to find and compare flights from Ontario 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
Thu 11/26
5:30 am-3:55 pm
2 stops13h 25m
Las Vegas Harry Reid Intl
Thu 12/3
11:50 am-12:01 am
1 stop9h 11m
$231
TorontoLas Vegas
YYZ Toronto Pearson Intl - LAS Las Vegas Harry Reid Intl
YYZLAS
Toronto Pearson Intl
Thu 11/26
5:10 pm-8:42 am
1 stop18h 32m
Las Vegas Harry Reid Intl
Mon 11/30
11:50 pm-7:10 am
Nonstop4h 20m
$271
Quickest round-trip
TorontoLas Vegas
YYZ Toronto Pearson Intl - LAS Las Vegas Harry Reid Intl
YYZLAS
Toronto Pearson Intl
Fri 11/27
2:57 pm-8:21 pm
1 stop8h 24m
Las Vegas Harry Reid Intl
Mon 11/30
11:50 pm-7:10 am
Nonstop4h 20m
$271
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Thu 10/29
6:15 am-3:12 pm
2 stops11h 57m
Las Vegas Harry Reid Intl
Wed 11/4
12:59 am-9:16 pm
2 stops17h 17m
$277
TorontoLas Vegas
YYZ Toronto Pearson Intl - LAS Las Vegas Harry Reid Intl
YYZLAS
Toronto Pearson Intl
Tue 10/20
12:45 pm-8:08 pm
1 stop10h 23m
Las Vegas Harry Reid Intl
Sat 10/24
11:30 pm-6:49 am
Nonstop4h 19m
$294
TorontoLas Vegas
YKF Toronto Region of Waterloo Intl - LAS Las Vegas Harry Reid Intl
YKFLAS
Toronto Region of Waterloo Intl
Fri 9/11
8:40 pm-10:40 am
1 stop17h 00m
Las Vegas Harry Reid Intl
Sun 9/13
8:30 am-7:50 pm
1 stop8h 20m
$299
TorontoLas Vegas
YYZ Toronto Pearson Intl - LAS Las Vegas Harry Reid Intl
YYZLAS
Toronto Pearson Intl
Fri 10/2
2:45 pm-8:28 pm
1 stop8h 43m
Las Vegas Harry Reid Intl
Tue 10/6
5:07 pm-7:00 am
1 stop10h 53m
$308
TorontoLas Vegas
YYZ Toronto Pearson Intl - LAS Las Vegas Harry Reid Intl
YYZLAS
Toronto Pearson Intl
Sat 9/26
10:45 am-5:06 pm
1 stop9h 21m
Las Vegas Harry Reid Intl
Sat 10/3
11:30 pm-6:49 am
Nonstop4h 19m
$308
TorontoLas Vegas
YKF Toronto Region of Waterloo Intl - LAS Las Vegas Harry Reid Intl
YKFLAS
Toronto Region of Waterloo Intl
Fri 9/11
8:40 pm-10:40 am
1 stop17h 00m
Las Vegas Harry Reid Intl
Sat 9/19
8:30 am-7:50 pm
1 stop8h 20m
$310
OttawaLas Vegas
YOW Ottawa - LAS Las Vegas Harry Reid Intl
YOWLAS
Ottawa
Sat 9/19
6:05 am-4:53 pm
1 stop13h 48m
Las Vegas Harry Reid Intl
Wed 9/23
11:57 pm-9:56 am
1 stop6h 59m
$315
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to Las Vegas
Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Ontario with our price prediction graph.
YOW-LAS
YYZ-LAS
YXU-LAS
YUL-LAS
YHM-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 Ontario to Las Vegas
CAON-LAS
YOW-LAS
YYZ-LAS
YXU-LAS
YUL-LAS
What is the cheapest month to book a flight from Region of Ontario to Las Vegas?
Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Las Vegas (average of $219). Flying from Region of Ontario to Las Vegas in August is currently the most expensive (average of $415). 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 ON to LAS?
Find hourly flight availability from Ontario 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 September 1, 2026.
One of the essential ways to save on airfare from Region of Ontario to Las Vegas is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 53% on airfare.
Weekly flight availability from Region of Ontario to Las Vegas
Explore weekly flight availability from Ontario to Las Vegas. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 1, 2026.
The most flights from CAON to LAS are scheduled on a Tuesday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).
How much does it cost to fly round-trip from Region of Ontario to Las Vegas?
Airfare is below average for this route at the moment.
Region of Ontario to Las Vegas flights typically cost between $281 and $505 in September.The cheapest round-trip price found within the last 5 days was $269 on WestJet (Sep 28-Oct 14).
How far ahead should I book a flight from Region of Ontario to Las Vegas?
The best time to book flights from Region of Ontario to Las Vegas is 68 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 day to fly from Region of Ontario to Las Vegas?
Use this chart to determine the cheapest time to fly round-trip from Ontario to Las Vegas. Price data was last updated on August 29, 2026.
Travelers seeking maximum savings on their Region of Ontario to Las Vegas flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Ontario 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
Boulder City
North Las Vegas
Needles
Winchester
Sunrise Manor
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Alternative routes for Ontario to Las Vegas
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Complete your trip
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Search flights from Ontario to Las Vegas by cabin class
Find flights from Ontario to Las Vegas, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Las Vegas
Explore flights to Las Vegas departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 1, 2026.
Ontario and Las Vegas flights
Browse other Ontario and Las Vegas flight options. Last updated on September 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 7 airlines flying from Ontario to Las Vegas
Discover the top 7 airlines that operate flights from Ontario 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 September 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$121 | Average$402 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$153 | Average$318 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$167 | Average$431 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$187 | Average$402 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$187 | Average$367 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$207 | Average$429 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$283 | Average$415 | FlexibilityNo cancel fee | On-time50% |