$155+ Cheap flights from Ontario 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAS
Dec 5 — Dec 121
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
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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 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 November 5, 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 November 5, 2026.
This Justfly.com deal was found by Cheapflights users on 11/3. 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 11/277:30 am -
1 stop11h 25m
Thu 12/37:45 am -
2 stops12h 55m
Deal found 11/3![WestJet logo]()
$247
This Justfly.com deal was found by Cheapflights users on 11/2. 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 11/269:10 am -
1 stop10h 25m
Thu 12/311:50 am -
1 stop9h 05m
Deal found 11/2![WestJet logo]()
$248
This Justfly.com deal was found by Cheapflights users on 11/3. 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 11/277:30 am -
1 stop11h 25m
Fri 12/411:50 am -
1 stop9h 05m
Deal found 11/3![WestJet logo]()
$250
This FlightHub deal was found by Cheapflights users on 11/3. 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 11/297:30 am -
2 stops13h 45m
Fri 12/47:45 am -
1 stop8h 35m
Deal found 11/3![WestJet logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Sat 11/2812:30 pm -
1 stop11h 15m
Sat 12/511:50 am -
2 stops14h 55m
Deal found 11/4![WestJet logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 11/299:10 am -
2 stops12h 05m
Sat 12/511:50 am -
1 stop9h 05m
Deal found 11/4![WestJet logo]()
$253
This FlightHub deal was found by Cheapflights users on 11/3. 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 11/278:30 pm -
Nonstop5h 03m
Fri 12/411:35 pm -
Nonstop4h 17m
Deal found 11/3![Porter Airlines logo]()
$254
This Justfly.com deal was found by Cheapflights users on 11/2. 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.
Mon 11/238:30 pm -
Nonstop5h 03m
Fri 11/2711:35 pm -
Nonstop4h 16m
Deal found 11/2![Porter Airlines logo]()
$255
This Justfly.com deal was found by Cheapflights users on 11/3. 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 11/278:30 pm -
Nonstop5h 03m
Thu 12/32:35 pm -
Nonstop4h 17m
Deal found 11/3![Porter Airlines logo]()
$257
This Justfly.com deal was found by Cheapflights users on 11/4. 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 11/2811:30 am -
Nonstop5h 03m
Fri 12/411:35 pm -
Nonstop4h 17m
Deal found 11/4![Porter Airlines logo]()
$258
This Super.com deal was found by Cheapflights users on 11/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/112:30 pm -
1 stop11h 15m
Tue 12/812:00 pm -
1 stop14h 45m
Deal found 11/3![WestJet logo]()
$259
This Mytrip deal was found by Cheapflights users on 11/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/305:45 pm -
1 stop7h 48m
Thu 12/32:35 pm -
1 stop7h 06m
Deal found 11/4![Porter Airlines logo]()
$299
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 November 5, 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 November 5, 2026.
This Delta deal was found by Cheapflights users on 11/3. 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.
Tue 2/165:15 pm -
1 stop8h 24m
Wed 2/241:59 pm -
1 stop6h 09m
Deal found 11/3![Delta logo]()
$344
This Porter Airlines deal was found by Cheapflights users on 11/2. 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 12/511:30 am -
Nonstop5h 04m
Sun 12/611:35 pm -
Nonstop4h 17m
Deal found 11/2![Porter Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 11/3. 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 12/214:10 pm -
1 stop9h 08m
Mon 12/2810:43 pm -
1 stop10h 05m
Deal found 11/3![United Airlines logo]()
$366
This FlightHub deal was found by Cheapflights users on 11/4. 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 12/25:30 am -
2 stops13h 25m
Wed 12/911:50 am -
1 stop8h 50m
Deal found 11/4![WestJet logo]()
$379
This United deal was found by Cheapflights users on 10/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/193:35 pm -
1 stop9h 56m
Tue 11/2411:50 pm -
Nonstop4h 20m
Deal found 10/31![Multiple Airlines logo]()
$410
This Air Canada deal was found by Cheapflights users on 11/1. 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.
Wed 12/169:10 am -
1 stop16h 37m
Mon 12/2111:50 pm -
1 stop8h 30m
Deal found 11/1![Air Canada logo]()
$446
This United Airlines deal was found by Cheapflights users on 11/3. 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 12/185:55 pm -
1 stop9h 04m
Thu 12/248:45 am -
1 stop7h 16m
Deal found 11/3![United Airlines logo]()
$366
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/286:00 am -
1 stop7h 39m
Wed 12/211:30 pm -
1 stop6h 25m
Deal found 11/1![Delta logo]()
$367
This Delta deal was found by Cheapflights users on 10/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:00 am -
1 stop7h 39m
Wed 11/259:40 am -
1 stop10h 17m
Deal found 10/31![Delta logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Sat 12/510:00 am -
1 stop25h 37m
Sat 12/123:46 pm -
2 stops46h 59m
Deal found 11/4![Multiple Airlines logo]()
$414
This Porter Airlines deal was found by Cheapflights users on 11/4. 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 11/275:45 pm -
1 stop7h 48m
Mon 11/3011:35 pm -
2 stops12h 40m
Deal found 11/4![Porter Airlines logo]()
$423
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/16:20 am -
2 stops16h 35m
Mon 4/57:30 pm -
2 stops14h 56m
Deal found 11/1![United Airlines logo]()
$385
This Air Canada deal was found by Cheapflights users on 11/4. 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 12/55:30 am -
1 stop8h 52m
Sat 12/1212:20 pm -
1 stop6h 32m
Deal found 11/4![Air Canada logo]()
$450
This oojo deal was found by Cheapflights users on 11/2. 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 1/184:40 pm -
2 stops26h 15m
Sun 1/249:35 am -
2 stops27h 30m
Deal found 11/2![WestJet logo]()
$453
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/178:20 am -
1 stop18h 15m
Thu 12/242:22 pm -
2 stops12h 13m
Deal found 11/2![Multiple Airlines logo]()
$421
This United Airlines deal was found by Cheapflights users on 10/31. 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 12/129:45 am -
1 stop8h 07m
Mon 1/411:59 pm -
1 stop12h 08m
Deal found 10/31![United Airlines logo]()
$385
This Porter Airlines deal was found by Cheapflights users on 11/1. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:20 am -
1 stop10h 14m
Thu 12/1010:00 am -
1 stop9h 59m
Deal found 11/1![Porter Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2112:15 pm -
1 stop9h 11m
Thu 11/266:00 am -
1 stop8h 20m
Deal found 11/1![Delta logo]()
$409
This Booking.com deal was found by Cheapflights users on 11/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:40 am -
1 stop12h 15m
Wed 12/94:45 pm -
1 stop9h 50m
Deal found 11/1![WestJet logo]()
$461
This Air Canada deal was found by Cheapflights users on 11/3. 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 12/811:15 am -
2 stops13h 25m
Thu 12/105:10 pm -
2 stops19h 56m
Deal found 11/3![Air Canada logo]()
$463
This FlightHub deal was found by Cheapflights users on 10/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/305:45 pm -
1 stop7h 48m
Sun 12/611:35 pm -
2 stops18h 25m
Deal found 10/31![Porter Airlines logo]()
$448
This Mytrip deal was found by Cheapflights users on 11/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/710:15 am -
3 stops31h 11m
Wed 12/99:36 pm -
1 stop16h 24m
Deal found 11/1![Multiple Airlines logo]()
$452
This United Airlines deal was found by Cheapflights users on 11/3. 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 12/16:15 am -
2 stops14h 59m
Mon 12/712:59 am -
2 stops10h 10m
Deal found 11/3![United Airlines logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/136:40 am -
2 stops14h 35m
Wed 1/274:45 pm -
1 stop9h 50m
Deal found 11/1![WestJet logo]()
$465
This Delta deal was found by Cheapflights users on 11/2. 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.
Thu 11/2612:15 pm -
1 stop9h 11m
Sun 11/299:40 am -
1 stop10h 17m
Deal found 11/2![Delta logo]()
$438
This United Airlines deal was found by Cheapflights users on 11/4. 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 11/273:10 pm -
1 stop11h 05m
Mon 11/305:02 pm -
2 stops18h 07m
Deal found 11/4![United Airlines logo]()
$420
This WestJet deal was found by Cheapflights users on 11/1. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/84:40 pm -
2 stops28h 35m
Thu 12/1012:00 pm -
2 stops25h 05m
Deal found 11/1![WestJet logo]()
$471
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Sat 12/198:20 am -
2 stops13h 50m
Mon 12/2111:59 pm -
1 stop11h 06m
Deal found 11/2![Multiple Airlines logo]()
$497
This United Airlines deal was found by Cheapflights users on 11/2. 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 12/36:00 am -
1 stop18h 46m
Mon 12/712:59 am -
2 stops10h 10m
Deal found 11/2![United Airlines logo]()
$428
This WestJet deal was found by Cheapflights users on 10/30. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:40 am -
2 stops31h 30m
Wed 12/212:00 pm -
2 stops14h 35m
Deal found 10/30![WestJet logo]()
$483
Last-minute flights from Ontario to Las VegasDiscover last-minute flight deals from Ontario to Las Vegas. Data last updated November 5, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Las Vegas. Data last updated November 5, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 11/2. 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.
Mon 11/238:30 pm -
Nonstop5h 03m
Fri 11/2711:35 pm -
Nonstop4h 16m
Deal found 11/2![Porter Airlines logo]()
$255
This Justfly.com deal was found by Cheapflights users on 11/2. 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 11/269:10 am -
1 stop10h 25m
Thu 12/311:50 am -
1 stop9h 05m
Deal found 11/2![WestJet logo]()
$248
This Justfly.com deal was found by Cheapflights users on 11/3. 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 11/277:30 am -
1 stop11h 25m
Thu 12/37:45 am -
2 stops12h 55m
Deal found 11/3![WestJet logo]()
$247
This FlightHub deal was found by Cheapflights users on 11/3. 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 11/279:10 am -
2 stops14h 35m
Fri 12/410:45 am -
2 stops16h 00m
Deal found 11/3![WestJet logo]()
$250
This FlightHub deal was found by Cheapflights users on 11/3. 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 11/278:30 pm -
Nonstop5h 03m
Fri 12/411:35 pm -
Nonstop4h 17m
Deal found 11/3![Porter Airlines logo]()
$254
This Justfly.com deal was found by Cheapflights users on 11/3. 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 11/278:30 pm -
Nonstop5h 03m
Thu 12/32:35 pm -
Nonstop4h 17m
Deal found 11/3![Porter Airlines logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Sat 11/2812:30 pm -
1 stop11h 15m
Sat 12/511:50 am -
2 stops14h 55m
Deal found 11/4![WestJet logo]()
$252
This Justfly.com deal was found by Cheapflights users on 11/4. 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 11/2811:30 am -
Nonstop5h 03m
Fri 12/411:35 pm -
Nonstop4h 17m
Deal found 11/4![Porter Airlines logo]()
$258
This FlightHub deal was found by Cheapflights users on 11/3. 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 11/297:30 am -
2 stops13h 45m
Fri 12/47:45 am -
1 stop8h 35m
Deal found 11/3![WestJet logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 11/299:10 am -
2 stops12h 05m
Sat 12/511:50 am -
1 stop9h 05m
Deal found 11/4![WestJet logo]()
$253
This Mytrip deal was found by Cheapflights users on 11/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/305:45 pm -
1 stop7h 48m
Thu 12/32:35 pm -
1 stop7h 06m
Deal found 11/4![Porter Airlines logo]()
$299
This Super.com deal was found by Cheapflights users on 11/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/112:30 pm -
1 stop11h 15m
Tue 12/812:00 pm -
1 stop14h 45m
Deal found 11/3![WestJet logo]()
$259
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 November 5, 2026.
Search for one-way flight options from Ontario to Las Vegas. Find affordable one-way fares based on user searches. Data last updated November 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 12/1511:30 am -
Nonstop5h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Porter Airlines logo]()
$155
This Trip.com deal was found by Cheapflights users on 11/2. 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 12/111:30 am -
Nonstop5h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Porter Airlines logo]()
$156
This SmartFares deal was found by Cheapflights users on 11/3. 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 12/48:30 pm -
Nonstop5h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Air Transat logo]()
$160
This Super.com deal was found by Cheapflights users on 11/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/79:10 am -
2 stops14h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![WestJet logo]()
$161
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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.
Wed 1/132:15 pm -
1 stop9h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![WestJet logo]()
$162
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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.
Thu 12/310:20 pm -
1 stop14h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![WestJet logo]()
$163
This Super.com deal was found by Cheapflights users on 11/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/2412:30 pm -
1 stop11h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![WestJet logo]()
$164
This FlightHub deal was found by Cheapflights users on 11/2. 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 12/111:30 am -
Nonstop5h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Air Transat logo]()
$165
This Air Canada deal was found by Cheapflights users on 11/2. 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 12/118:40 pm -
Nonstop5h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Air Canada logo]()
$167
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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.
Wed 1/2711:30 am -
Nonstop5h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Porter Airlines logo]()
$168
This FlightHub deal was found by Cheapflights users on 11/2. 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 1/248:30 pm -
Nonstop5h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Air Transat logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/129:20 am -
2 stops17h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Multiple Airlines logo]()
$170
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 November 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $247 (Justfly.com) |
One-way from | $155 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $386 |
Good round-trip deal | $359 or less |
Good one-way deal | $171 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 November 5, 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
TorontoLas Vegas
YYZ Toronto Pearson Intl - LAS Las Vegas Harry Reid Intl
YYZLAS
Toronto Pearson Intl
Sat 12/12
5:25 pm-10:45 pm
1 stop8h 20m
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
Sat 11/28
10:15 am-3:33 pm
1 stop8h 18m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$203
TorontoLas Vegas
YYZ Toronto Pearson Intl - LAS Las Vegas Harry Reid Intl
YYZLAS
Toronto Pearson Intl
Tue 4/27
12:40 pm-9:52 pm
2 stops12h 12m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$209
Thunder BayLas Vegas
YQT Thunder Bay - LAS Las Vegas Harry Reid Intl
YQTLAS
Thunder Bay
Sun 11/22
6:20 am-1:33 pm
1 stop10h 13m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$211
Thunder BayLas Vegas
YQT Thunder Bay - LAS Las Vegas Harry Reid Intl
YQTLAS
Thunder Bay
Sat 11/21
6:20 am-1:33 pm
1 stop10h 13m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$211
TorontoLas Vegas
YYZ Toronto Pearson Intl - LAS Las Vegas Harry Reid Intl
YYZLAS
Toronto Pearson Intl
Sun 12/20
6:10 am-6:39 pm
1 stop15h 29m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$213
TorontoLas Vegas
YYZ Toronto Pearson Intl - LAS Las Vegas Harry Reid Intl
YYZLAS
Toronto Pearson Intl
Fri 12/11
6:10 pm-10:29 pm
1 stop7h 19m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$213
TorontoLas Vegas
YYZ Toronto Pearson Intl - LAS Las Vegas Harry Reid Intl
YYZLAS
Toronto Pearson Intl
Mon 12/21
6:45 am-2:27 pm
2 stops10h 42m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$213
TorontoLas Vegas
YYZ Toronto Pearson Intl - LAS Las Vegas Harry Reid Intl
YYZLAS
Toronto Pearson Intl
Mon 11/30
12:15 pm-7:59 pm
1 stop10h 44m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$213
Thunder BayLas Vegas
YQT Thunder Bay - LAS Las Vegas Harry Reid Intl
YQTLAS
Thunder Bay
Sat 11/14
6:20 am-1:33 pm
1 stop10h 13m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$217
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.
YYZ-LAS
YOW-LAS
YXU-LAS
YQT-LAS
YTZ-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
YYZ-LAS
YOW-LAS
YXU-LAS
YQT-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 $230). Flying from Region of Ontario to Las Vegas in August is currently the most expensive (average of $413). 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 November 5, 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 55% 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 November 5, 2026.
The most flights from CAON to LAS are scheduled on a Monday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 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 $274 and $498 in November.The cheapest round-trip price found within the last 5 days was $247 on WestJet (Nov 27-Dec 3).
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 80 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 September 19, 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
North Las Vegas
Boulder City
Winchester
Sunrise Manor
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Ontario to Las Vegas
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Las Vegas by adding a car rental and/or hotel reservation to your travel itinerary.
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 November 5, 2026.
Ontario and Las Vegas flights
Browse other Ontario and Las Vegas flight options. Last updated on November 5, 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 November 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$140 | Average$408 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$151 | Average$304 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$176 | Average$443 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$192 | Average$411 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$200 | Average$455 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$259 | Average$494 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$288 | Average$412 | FlexibilityNo cancel fee | On-time50% |