Ontario

$71+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — YYZ
Mar 14 — Mar 211
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Cheap flight deals from Las Vegas to Ontario

Cheapest flights from Las Vegas to Ontario
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 February 12, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/10. 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 3/48:00 am
LAS
-
YYZ
2 stops12h 38m
WestJet
Sun 3/812:30 pm
YYZ
-
LAS
1 stop10h 46m
WestJet
Deal found 2/10$147
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 3/118:05 am
LAS
-
YYZ
2 stops12h 33m
WestJet
Thu 3/198:00 pm
YYZ
-
LAS
Nonstop5h 12m
WestJet
Deal found 2/10$151
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 5/141:45 pm
LAS
-
YYZ
1 stop8h 20m
WestJet
Sun 5/2412:40 pm
YYZ
-
LAS
2 stops12h 00m
WestJet
Deal found 2/10$153
This Trip.com deal was found by Cheapflights users on 2/11. 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.
Wed 3/48:00 am
LAS
-
YYZ
2 stops12h 38m
WestJet
Sat 3/78:00 am
YYZ
-
LAS
2 stops13h 13m
WestJet
Deal found 2/11$155
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 4/168:05 am
LAS
-
YYZ
1 stop8h 31m
WestJet
Sun 4/191:30 pm
YYZ
-
LAS
1 stop11h 03m
WestJet
Deal found 2/11$157
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 2/268:00 am
LAS
-
YYZ
1 stop8h 36m
WestJet
Thu 3/58:00 pm
YYZ
-
LAS
Nonstop5h 12m
WestJet
Deal found 2/10$158
This Trip.com deal was found by Cheapflights users on 2/11. 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.
Wed 3/48:00 am
LAS
-
YYZ
2 stops12h 38m
Multiple Airlines
Sat 3/77:55 pm
YYZ
-
LAS
Nonstop5h 07m
Multiple Airlines
Deal found 2/11$161
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 2/2311:25 pm
LAS
-
YYZ
Nonstop4h 18m
WestJet
Fri 2/278:00 pm
YYZ
-
LAS
Nonstop5h 12m
WestJet
Deal found 2/10$162
This FlightHub deal was found by Cheapflights users on 2/9. 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 3/178:05 am
LAS
-
YOW
2 stops13h 34m
WestJet
Wed 3/255:45 pm
YOW
-
LAS
1 stop30h 48m
WestJet
Deal found 2/9$231
This United Airlines deal was found by Cheapflights users on 2/9. 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 4/911:59 pm
LAS
-
YOW
1 stop11h 00m
United Airlines
Mon 4/136:25 am
YOW
-
LAS
1 stop18h 34m
United Airlines
Deal found 2/9$250
This FlightHub deal was found by Cheapflights users on 2/10. 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 6/296:10 pm
LAS
-
YOW
1 stop8h 30m
WestJet
Tue 7/76:00 am
YOW
-
LAS
1 stop9h 55m
WestJet
Deal found 2/10$253
This Trip.com deal was found by Cheapflights users on 2/11. 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 3/268:05 am
LAS
-
YUL
2 stops13h 33m
Multiple Airlines
Fri 3/272:30 pm
YUL
-
LAS
1 stop10h 32m
Multiple Airlines
Deal found 2/11$254

Find 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 February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$147
(Kiwi.com)

One-way from

$71
(oojo)

Popular in

May

Cheapest in

April

Average price

$256

Good round-trip deal

$262 or less

Good one-way deal

$96 or less
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Toronto (YTO) flight deals.
Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Toronto (YTO) flights.
From Las Vegas Harry Reid Intl to Ontario
One-way flight from Las Vegas Harry Reid Intl to Ontario
Highest demand for flights based on searches. 0% potential increase in price ($0 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to Ontario.
Price to beat on a one-way flight from Las Vegas Harry Reid Intl to Ontario.

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 February 12, 2026.
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

Thu 5/14

1:45 pm-1:05 am

1 stop8h 20m

Toronto Pearson Intl

Sun 5/24

12:40 pm-9:40 pm

2 stops12h 00m

$153

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Wed 4/29

1:45 pm-5:10 am

2 stops12h 25m

Toronto Pearson Intl

Wed 5/6

7:00 am-3:45 pm

2 stops11h 45m

$155

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Thu 4/16

8:05 am-7:36 pm

1 stop8h 31m

Toronto Pearson Intl

Sun 4/19

1:30 pm-9:33 pm

1 stop11h 03m

$157

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Wed 3/4

7:05 pm-6:13 am

1 stop8h 08m

Toronto Pearson Intl

Sun 3/8

8:00 pm-10:12 pm

Nonstop5h 12m

$160

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Fri 3/27

11:25 pm-6:43 am

Nonstop4h 18m

Toronto Pearson Intl

Fri 4/3

8:00 pm-10:12 pm

Nonstop5h 12m

$162

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Thu 6/4

12:35 pm-8:00 pm

Nonstop4h 25m

Toronto Pearson Intl

Mon 6/8

9:45 am-11:40 am

Nonstop4h 55m

$162

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Mon 2/23

11:25 pm-6:43 am

Nonstop4h 18m

Toronto Pearson Intl

Thu 2/26

9:40 am-6:39 pm

2 stops11h 59m

$163

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Wed 3/4

7:05 pm-6:13 am

1 stop8h 08m

Toronto Pearson Intl

Sat 3/7

8:00 am-6:13 pm

2 stops13h 13m

$164

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Thu 3/12

7:05 pm-6:13 am

1 stop8h 08m

Toronto Pearson Intl

Tue 3/31

9:40 am-6:39 pm

2 stops11h 59m

$165

Las VegasToronto

LAS - YYZ

LASYYZ

Las Vegas Harry Reid Intl

Thu 5/14

1:45 pm-1:05 am

1 stop8h 20m

Toronto Pearson Intl

Tue 5/19

7:00 am-12:55 pm

1 stop8h 55m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 60 results
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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 July is currently the most expensive (average of $156). 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 February 12, 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 45% 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 March 9, 2025.

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. Saturday afternoons 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 February 12, 2026.

The most flights from LAS to CAON are scheduled on a Monday (11 on average). You will have fewer flight options on Thursday, 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 February 12, 2026.
Peruse reviews from past customers who have flown with Porter Airlines, Delta, 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

7.9

Crew

8.6

Food

7.5

Boarding

8.2

Entertainment

6.9

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.

Overall

7.9

Crew

8.6

Food

7.5

Boarding

8.2

Entertainment

6.9

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.

Overall

7.9

Crew

8.6

Food

7.5

Boarding

8.2

Entertainment

6.9

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.

Overall

7.9

Crew

8.6

Food

7.5

Boarding

8.2

Entertainment

6.9

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.

Overall

7.9

Crew

8.6

Food

7.5

Boarding

8.2

Entertainment

6.9

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.

Overall

7.9

Crew

8.6

Food

7.5

Boarding

8.2

Entertainment

6.9

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.

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.
  • What airport do you fly from for flights from Las Vegas to Ontario?

    Located just 6.2 mi from the city center, Las Vegas Harry Reid Intl (LAS) is the airport most travelers will use when flying to Ontario from Las Vegas.

  • How long is the flight from Las Vegas to Region of Ontario?

    Departing from Las Vegas to Region of Ontario will take you 8h 20m. The distance from Las Vegas to Region of Ontario is about 1938 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Las Vegas to Region of Ontario one-way?

    The cheapest airlines for a one-way flight from Las Vegas to Region of Ontario are WestJet ($48), Porter Airlines ($55), and Air Canada ($64).

  • What are the most popular routes from Las Vegas to Region of Ontario?

  • What are the most reliable airlines from Las Vegas to Region of Ontario?

    Consider Delta (58%), WestJet (58%) or American Airlines (44%) when booking your flight. These represent the most reliable airlines when flying from Las Vegas to Region of Ontario.

  • What are the cheapest flights from Las Vegas to Region of Ontario?

    While on average a flight from Las Vegas to Region of Ontario is generally $570, our data shows the cheapest flight currently is $60. When looking at the most popular route, (Las Vegas Harry Reid Intl - Toronto Pearson Intl), you can expect to pay $164 for that flight.

  • Can I find deals for flights from Las Vegas to Ontario that include hotel bookings?

    Yes. In addition to deals on Las Vegas to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Las Vegas to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to Ontario.

  • Can I find deals for business class flights from Las Vegas to Ontario?

    Yes. Cheapflights offers flight deals from Las Vegas to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 July is currently the most expensive (average of $156). 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.

See more FAQs

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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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$68Average$269FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$80Average$327FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$84Average$283FlexibilityNo cancel feeOn-time52%
WestJetCheapest$89Average$273FlexibilityNo cancel feeOn-time60%
DeltaCheapest$131Average$319FlexibilityNo cancel feeOn-timeN/A
Air TransatCheapest$146Average$353FlexibilityNo cancel feeOn-time50%
American AirlinesCheapest$290Average$422FlexibilityNo cancel feeOn-time71%

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