$79+ Cheap flights from Las Vegas (LAS) to Ontario
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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — YYZ
Dec 24 — Dec 311
1 adult, Economy
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1. Tell us where you want to go
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Cheapest flights from Las Vegas to OntarioExplore the most affordable flight options available from Las Vegas to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 24, 2025.
Explore the most affordable flight options available from Las Vegas to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 24, 2025.
This Kiwi.com deal was found by Cheapflights users on 11/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1511:25 pmLAS - YYZ
Nonstop4h 22mWestJet
Mon 1/121:30 pmYYZ - LAS
1 stop9h 45mWestJet
Deal found 11/22![WestJet logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 11/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2111:25 pmLAS - YYZ
Nonstop4h 22mWestJet
Mon 1/58:00 pmYYZ - LAS
Nonstop5h 09mWestJet
Deal found 11/22![WestJet logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 11/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2111:25 pmLAS - YYZ
Nonstop4h 22mMultiple Airlines
Thu 1/17:55 pmYYZ - LAS
Nonstop5h 07mMultiple Airlines
Deal found 11/23![Multiple Airlines logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 11/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:40 pmLAS - YYZ
Nonstop4h 15mPorter Airlines
Thu 1/17:55 pmYYZ - LAS
Nonstop5h 07mPorter Airlines
Deal found 11/23![Porter Airlines logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 11/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1211:05 pmLAS - YYZ
Nonstop4h 15mPorter Airlines
Sun 12/147:55 pmYYZ - LAS
Nonstop5h 07mPorter Airlines
Deal found 11/23![Porter Airlines logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 11/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2111:25 pmLAS - YYZ
Nonstop4h 22mMultiple Airlines
Tue 1/69:35 amYYZ - LAS
Nonstop5h 07mMultiple Airlines
Deal found 11/22![Multiple Airlines logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 11/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2111:25 pmLAS - YYZ
Nonstop4h 22mWestJet
Sun 1/48:00 pmYYZ - LAS
Nonstop5h 09mWestJet
Deal found 11/23![WestJet logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 11/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2011:05 pmLAS - YYZ
Nonstop4h 15mPorter Airlines
Thu 1/17:55 pmYYZ - LAS
Nonstop5h 07mPorter Airlines
Deal found 11/23![Porter Airlines logo]()
$189
This Air Canada deal was found by Cheapflights users on 11/23. 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.
Sat 12/139:10 amLAS - YTZ
1 stop7h 45mAir Canada
Mon 12/153:30 pmYTZ - LAS
1 stop8h 09mAir Canada
Deal found 11/23![Air Canada logo]()
$246
This oojo deal was found by Cheapflights users on 11/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/97:05 pmLAS - YUL
1 stop9h 00mWestJet
Mon 12/156:45 amYUL - LAS
1 stop18h 24mWestJet
Deal found 11/24![WestJet logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 11/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/810:08 pmLAS - YUL
2 stops15h 47mMultiple Airlines
Mon 12/152:30 pmYUL - LAS
1 stop10h 32mMultiple Airlines
Deal found 11/23![Multiple Airlines logo]()
$351
This Mytrip deal was found by Cheapflights users on 11/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:25 pmLAS - YUL
Nonstop4h 47mAir Canada
Wed 1/75:55 pmYUL - LAS
Nonstop5h 44mAir Canada
Deal found 11/24![Air Canada logo]()
$363
Cheap flight deals from Las Vegas to Ontario
Keep the following information in mind while searching for Las Vegas to Ontario flight deals. Data was last updated November 24, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $154 (Kiwi.com) |
One-way from | $79 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $278 |
Good round-trip deal | $198 or less |
Good one-way deal | $166 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Las Vegas to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 24, 2025.
Use the filters below to find and compare flights from Las Vegas to Ontario that are best for you.
Fly from
Las Vegas
Fly to
Ontario
Route
Depart
Return
Price
Las VegasToronto
LAS - YYZ
LASYYZ
Las Vegas Harry Reid Intl
Sun 12/21
11:25 pm-6:47 am
Nonstop4h 22m
Toronto Pearson Intl
Mon 1/5
9:40 am-6:11 pm
2 stops11h 31m
$199
Las VegasToronto
LAS - YYZ
LASYYZ
Las Vegas Harry Reid Intl
Thu 12/25
4:45 pm-5:59 am
1 stop10h 14m
Toronto Pearson Intl
Thu 1/1
7:55 pm-10:02 pm
Nonstop5h 07m
$205
Las VegasToronto
LAS - YYZ
LASYYZ
Las Vegas Harry Reid Intl
Fri 12/19
11:25 pm-6:47 am
Nonstop4h 22m
Toronto Pearson Intl
Sun 1/4
8:00 pm-10:09 pm
Nonstop5h 09m
$217
Las VegasOttawa
LAS - YOW
LASYOW
Las Vegas Harry Reid Intl
Thu 1/8
1:10 pm-6:21 pm
2 stops26h 11m
Ottawa
Thu 1/15
6:00 am-8:15 pm
2 stops17h 15m
$238
Las VegasToronto
LAS - YTZ
LASYTZ
Las Vegas Harry Reid Intl
Thu 1/8
9:00 am-9:35 pm
1 stop9h 35m
Toronto Island
Thu 1/15
10:30 am-8:39 pm
1 stop13h 09m
$242
Las VegasToronto
LAS - YYZ
LASYYZ
Las Vegas Harry Reid Intl
Thu 2/19
12:40 pm-7:55 pm
Nonstop4h 15m
Toronto Pearson Intl
Sat 2/21
9:35 am-11:42 am
Nonstop5h 07m
$244
Las VegasToronto
LAS - YTZ
LASYTZ
Las Vegas Harry Reid Intl
Sat 12/13
9:10 am-7:55 pm
1 stop7h 45m
Toronto Island
Mon 12/15
3:30 pm-8:39 pm
1 stop8h 09m
$246
Las VegasOttawa
LAS - YOW
LASYOW
Las Vegas Harry Reid Intl
Thu 2/5
11:20 am-12:40 am
1 stop10h 20m
Ottawa
Mon 2/9
5:40 am-6:13 pm
2 stops15h 33m
$248
Las VegasToronto
LAS - YTZ
LASYTZ
Las Vegas Harry Reid Intl
Thu 1/22
7:15 pm-5:43 pm
2 stops19h 28m
Toronto Island
Sun 1/25
7:00 am-6:30 pm
2 stops14h 30m
$252
Las VegasToronto
LAS - YYZ
LASYYZ
Las Vegas Harry Reid Intl
Thu 12/25
11:20 am-12:26 am
1 stop10h 06m
Toronto Pearson Intl
Thu 1/1
9:40 am-9:31 pm
2 stops14h 51m
$252
Showing 1-10 of 60 results
Best time to book a flight from Las Vegas to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Las Vegas with our price prediction graph.
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 Las Vegas to Ontario
What is the cheapest month to book a flight from Las Vegas to Region of Ontario?
Currently, March is the cheapest month in which you can book a flight from Las Vegas to Region of Ontario (average of $53). Flying from Las Vegas to Region of Ontario in August is currently the most expensive (average of $138). 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 LAS to ON?
Find hourly flight availability from Las Vegas to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 24, 2025.
Unlike at noon, when flights are generally more expensive, you can save up to 40% on flights from Las Vegas to Region of Ontario by exploring options for tickets in the evening.
What is the cheapest day to fly from Las Vegas to Region of Ontario?
Use this chart to determine the cheapest time to fly round-trip from Las Vegas to Ontario. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Las Vegas to Region of Ontario flight should consider departing on Tuesday mornings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Las Vegas to Region of Ontario
Explore weekly flight availability from Las Vegas to Ontario. 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 24, 2025.
The most flights from LAS to CAON are scheduled on a Thursday (11 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 on average).
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated November 24, 2025.
Peruse reviews from past customers who have flown with Porter Airlines, Air Transat, and United Airlines from Las Vegas to Ontario to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.6
Boarding
8.2
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentMohameed,Nov 2025
LAS - YYZ
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.6
Boarding
8.2
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentMohameed,Nov 2025
LAS - YYZ
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.6
Boarding
8.2
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentMohameed,Nov 2025
LAS - YYZ
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.6
Boarding
8.2
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentMohameed,Nov 2025
LAS - YYZ
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.6
Boarding
8.2
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentMohameed,Nov 2025
LAS - YYZ
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.6
Boarding
8.2
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentMohameed,Nov 2025
LAS - YYZ
Related info for your journey
Find useful and relevant information for your journey from Las Vegas to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Las Vegas to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from Las Vegas to Ontario
Discover the top 7 airlines that operate flights from Las Vegas to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 24, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$280 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$85 | Average$312 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$119 | Average$279 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$128 | Average$261 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$158 | Average$385 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$169 | Average$411 | FlexibilityNo cancel fee | On-time50% | |
| Cheapest$290 | Average$368 | FlexibilityNo cancel fee | On-time71% |