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Cheap flights from Las Vegas to Ontario from C$ 102
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 19/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — YYZ
28 Nov — 5 Dec1
Find flight deals from Las Vegas to Ontario
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 29 October 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 29 October 2025.
Thu 11/121:10 p.m.LAS - YYZ
Nonstop4h 22mWestJet
Sun 14/128:00 p.m.YYZ - LAS
Nonstop5h 09mWestJet
Deal found 28/10C$ 291
Thu 27/1112:40 p.m.LAS - YYZ
Nonstop4h 15mPorter Airlines
Wed 3/129:35 a.m.YYZ - LAS
Nonstop5h 07mPorter Airlines
Deal found 27/10C$ 298
Fri 12/1212:40 p.m.LAS - YYZ
Nonstop4h 15mMultiple Airlines
Sun 14/128:00 p.m.YYZ - LAS
Nonstop5h 09mMultiple Airlines
Deal found 27/10C$ 299
Tue 2/123:45 p.m.LAS - YYZ
Nonstop4h 15mPorter Airlines
Wed 10/129:35 a.m.YYZ - LAS
Nonstop5h 07mPorter Airlines
Deal found 26/10C$ 300
Thu 20/1111:05 p.m.LAS - YYZ
Nonstop4h 15mPorter Airlines
Sun 23/117:55 p.m.YYZ - LAS
Nonstop5h 07mPorter Airlines
Deal found 28/10C$ 307
Tue 18/1112:40 p.m.LAS - YYZ
Nonstop4h 15mPorter Airlines
Mon 24/117:55 p.m.YYZ - LAS
Nonstop5h 07mPorter Airlines
Deal found 27/10C$ 309
Thu 20/1111:05 p.m.LAS - YYZ
Nonstop4h 15mPorter Airlines
Thu 27/117:55 p.m.YYZ - LAS
Nonstop5h 07mPorter Airlines
Deal found 27/10C$ 312
Tue 18/1112:40 p.m.LAS - YYZ
Nonstop4h 15mPorter Airlines
Thu 27/117:55 p.m.YYZ - LAS
Nonstop5h 07mPorter Airlines
Deal found 27/10C$ 313
Fri 21/1111:05 p.m.LAS - YYZ
Nonstop4h 15mPorter Airlines
Sat 22/117:55 p.m.YYZ - LAS
Nonstop5h 07mPorter Airlines
Deal found 27/10C$ 314
Tue 18/1112:40 p.m.LAS - YYZ
Nonstop4h 15mPorter Airlines
Sun 23/117:55 p.m.YYZ - LAS
Nonstop5h 07mPorter Airlines
Deal found 27/10C$ 316
Fri 28/118:00 a.m.LAS - YYZ
1 stop8h 36mMultiple Airlines
Thu 4/127:55 p.m.YYZ - LAS
Nonstop5h 07mMultiple Airlines
Deal found 29/10C$ 317
Thu 20/1111:05 p.m.LAS - YYZ
Nonstop4h 15mPorter Airlines
Wed 3/129:35 a.m.YYZ - LAS
Nonstop5h 07mPorter Airlines
Deal found 27/10C$ 319
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 29 October 2025.
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 629,999 searches. Data last updated 29 October 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
Fri 12/12
12:40 p.m.-7:55 p.m.
Nonstop4h 15m
Toronto Pearson Intl
Sun 14/12
8:00 p.m.-10:09 p.m.
Nonstop5h 09m
C$ 299
Las VegasToronto
LAS - YYZ
LASYYZ
Las Vegas Harry Reid Intl
Fri 28/11
8:00 a.m.-7:36 p.m.
1 stop8h 36m
Toronto Pearson Intl
Thu 4/12
7:55 p.m.-10:02 p.m.
Nonstop5h 07m
C$ 317
Las VegasToronto
LAS - YYZ
LASYYZ
Las Vegas Harry Reid Intl
Thu 23/4
11:20 a.m.-11:11 p.m.
1 stop8h 51m
Toronto Pearson Intl
Sun 26/4
2:00 p.m.-8:20 p.m.
1 stop9h 20m
C$ 324
Las VegasToronto
LAS - YYZ
LASYYZ
Las Vegas Harry Reid Intl
Thu 19/2
11:25 p.m.-6:43 a.m.
Nonstop4h 18m
Toronto Pearson Intl
Sun 22/2
8:00 p.m.-10:12 p.m.
Nonstop5h 12m
C$ 324
Las VegasToronto
LAS - YYZ
LASYYZ
Las Vegas Harry Reid Intl
Tue 18/11
12:40 p.m.-7:55 p.m.
Nonstop4h 15m
Toronto Pearson Intl
Mon 24/11
1:30 p.m.-8:15 p.m.
1 stop9h 45m
C$ 334
Las VegasToronto
LAS - YYZ
LASYYZ
Las Vegas Harry Reid Intl
Thu 4/12
1:10 p.m.-5:58 a.m.
2 stops13h 48m
Toronto Pearson Intl
Mon 8/12
12:30 p.m.-9:31 p.m.
2 stops12h 01m
C$ 338
Las VegasToronto
LAS - YYZ
LASYYZ
Las Vegas Harry Reid Intl
Wed 24/12
6:05 a.m.-11:20 p.m.
2 stops14h 15m
Toronto Pearson Intl
Sun 4/1
8:00 p.m.-10:09 p.m.
Nonstop5h 09m
C$ 344
Las VegasToronto
LAS - YYZ
LASYYZ
Las Vegas Harry Reid Intl
Wed 24/12
11:20 a.m.-12:26 a.m.
1 stop10h 06m
Toronto Pearson Intl
Sun 4/1
8:00 p.m.-10:09 p.m.
Nonstop5h 09m
C$ 348
Las VegasToronto
LAS - YYZ
LASYYZ
Las Vegas Harry Reid Intl
Sat 15/11
3:45 p.m.-11:00 p.m.
Nonstop4h 15m
Toronto Pearson Intl
Wed 3/12
9:35 a.m.-11:42 a.m.
Nonstop5h 07m
C$ 349
Las VegasToronto
LAS - YTZ
LASYTZ
Las Vegas Harry Reid Intl
Thu 27/11
9:10 a.m.-9:35 p.m.
1 stop9h 25m
Toronto Island
Wed 3/12
8:30 a.m.-8:39 p.m.
1 stop15h 09m
C$ 351
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 C$ 74). Flying from Las Vegas to Region of Ontario in October is currently the most expensive (average of C$ 196). 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 29 October 2025.
Unlike in the morning, when flights are generally more expensive, you can save up to 59% on flights from Las Vegas to Region of Ontario by exploring options for tickets in the afternoon.
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 16 December 2024.
Travelers seeking maximum savings on their Las Vegas to Region of Ontario flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 29 October 2025.
Get a feel of what it's like to fly with Porter Airlines,Air Transat, andWestJet from Las Vegas to Ontario by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
7.0
Food
7.6
Overall
8.0
Boarding
8.2
Comfort
8.0
Reviews
1 / 20
2.0
MediocreAnonymous,Sep 2025
YYZ - OPO
Crew
8.6
Entertainment
7.0
Food
7.6
Overall
8.0
Boarding
8.2
Comfort
8.0
Reviews
1 / 20
2.0
MediocreAnonymous,Sep 2025
YYZ - OPO
Crew
8.6
Entertainment
7.0
Food
7.6
Overall
8.0
Boarding
8.2
Comfort
8.0
Reviews
1 / 20
2.0
MediocreAnonymous,Sep 2025
YYZ - OPO
Crew
8.6
Entertainment
7.0
Food
7.6
Overall
8.0
Boarding
8.2
Comfort
8.0
Reviews
1 / 20
2.0
MediocreAnonymous,Sep 2025
YYZ - OPO
Crew
8.6
Entertainment
7.0
Food
7.6
Overall
8.0
Boarding
8.2
Comfort
8.0
Reviews
1 / 20
2.0
MediocreAnonymous,Sep 2025
YYZ - OPO
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.
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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 4 airlines flying from Las Vegas to Ontario
Discover the top 4 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 629,999 searches. Data last updated 29 October 2025.
Fly with Cheapflights
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How does Cheapflights help users find flights from Las Vegas to Ontario?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Las Vegas to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Las Vegas to Ontario?
Cheapflights simply makes it quick and affordable to book flights from Las Vegas to Ontario by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Las Vegas to Ontario with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Las Vegas to Ontario flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Las Vegas to Ontario become cheaper?
Yes! Start tracking prices for Las Vegas to Ontario flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.