Cheap flights from Ontario to Las Vegas (ONT - LAS) from $24

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 4/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — LAS
Mar 24 — Mar 311

The best prices from Ontario to Las Vegas Harry Reid Intl are usually found in January or November, booked 60 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Ontario to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Las Vegas (LAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 19, 2024.

Popular in

June

Cheapest in

January

Round-trip from

$194

One-way from

$24
High demand for flights, 18% potential price rise
Best time to find cheap flights, 22% potential price drop
From Ontario to Las Vegas Harry Reid Intl
One-way flight from Ontario to Las Vegas Harry Reid Intl

What is the cheapest day to fly round-trip from Ontario to Las Vegas?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from Ontario to Las Vegas?

Users have found that booking a flight from Ontario to Las Vegas at least 31 days early can save you up to 47% on average compared to booking a flight this week. If booking 31 days before your flight isn’t an option for you, users have found flights from Ontario to Las Vegas for as little as $85 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $159 for flights departing within the next 3 days.

What is the cheapest month to fly from Ontario to Las Vegas?

Our data shows that January tends to be the cheapest month to fly to Las Vegas from Ontario. Users have commonly found prices around $106 for the month, but tickets can be as low as $42. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from Ontario to Las Vegas (ONT - LAS)?

A simple way to save on the total cost of your ticket is to fly from Ontario to Las Vegas in the evening. If you’re flexible enough to do this you can expect to save up to 34% on your trip compared to booking a flight at noon.

Cheap Frontier flights from Ontario to Las Vegas

Explore cheap flight options specifically provided by Frontier for the route between Ontario and Las Vegas. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Find some of the cheapest Frontier flights traveling from Ontario to Las Vegas. Make sure to double check the flight details before booking.
Wed 4/1010:49 pmONT - LAS
Nonstop1h 14mFrontier
Thu 4/1112:22 pmLAS - ONT
Nonstop1h 07mFrontier
Deal found 3/16$48
Sun 4/145:40 pmONT - LAS
Nonstop1h 09mFrontier
Wed 4/1711:00 amLAS - ONT
Nonstop1h 06mFrontier
Deal found 3/17$49
Tue 4/1612:39 pmONT - LAS
Nonstop1h 09mFrontier
Tue 4/168:55 pmLAS - ONT
Nonstop1h 02mFrontier
Deal found 3/17$50
Mon 5/1312:29 pmONT - LAS
Nonstop1h 09mFrontier
Fri 5/178:00 amLAS - ONT
Nonstop1h 06mFrontier
Deal found 3/17$52
Wed 5/157:41 pmONT - LAS
Nonstop1h 05mFrontier
Tue 5/218:00 amLAS - ONT
Nonstop1h 06mFrontier
Deal found 3/17$53
Wed 7/1712:30 pmONT - LAS
Nonstop1h 13mFrontier
Wed 7/175:00 pmLAS - ONT
Nonstop1h 09mFrontier
Deal found 3/17$54
Wed 4/39:00 amONT - LAS
Nonstop1h 08mFrontier
Sat 4/66:45 amLAS - ONT
Nonstop1h 05mFrontier
Deal found 3/18$56
Sun 8/251:10 pmONT - LAS
Nonstop1h 21mFrontier
Wed 8/288:00 amLAS - ONT
Nonstop1h 06mFrontier
Deal found 3/18$57
Fri 4/1910:59 pmONT - LAS
Nonstop1h 14mFrontier
Fri 4/266:05 amLAS - ONT
Nonstop1h 03mFrontier
Deal found 3/17$58

Cheap American Airlines flights from Ontario to Las Vegas

Explore cheap flight options specifically provided by American Airlines for the route between Ontario and Las Vegas. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Take a gander at the lowest prices we've found on American Airlines flights from Ontario to Las Vegas. Make sure to examine the flight information before completing your reservation.
Sun 5/510:00 amONT - LAS
1 stop5h 11mAmerican Airlines
Tue 5/76:34 amLAS - ONT
1 stop5h 13mAmerican Airlines
Deal found 3/17$185
Thu 3/2812:55 pmONT - LAS
1 stop5h 22mAmerican Airlines
Mon 4/112:49 pmLAS - ONT
1 stop5h 57mAmerican Airlines
Deal found 3/17$285
Sat 3/2312:55 pmONT - LAS
1 stop5h 22mAmerican Airlines
Tue 3/266:38 amLAS - ONT
1 stop5h 16mAmerican Airlines
Deal found 3/18$361
Sat 3/2312:55 pmONT - LAS
1 stop5h 22mAmerican Airlines
Mon 3/256:38 amLAS - ONT
1 stop5h 16mAmerican Airlines
Deal found 3/18$363

Cheap Ontario to Las Vegas flights in March & April 2024

Find cheap flight options from Ontario to Las Vegas specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Prices were last updated on March 19, 2024.
These are some of the best deals we've found on flights to Las Vegas in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 4/1010:49 pmONT - LAS
Nonstop1h 14mFrontier
Thu 4/1112:22 pmLAS - ONT
Nonstop1h 07mFrontier
Deal found 3/16$48
Sat 4/1310:56 pmONT - LAS
Nonstop1h 14mFrontier
Tue 4/236:00 amLAS - ONT
Nonstop1h 03mFrontier
Deal found 3/18$49
Sat 3/235:33 pmONT - LAS
Nonstop1h 09mFrontier
Sat 3/237:43 pmLAS - ONT
Nonstop1h 04mFrontier
Deal found 3/16$50
Tue 4/166:55 pmONT - LAS
Nonstop1h 06mFrontier
Tue 4/2310:15 amLAS - ONT
Nonstop1h 05mFrontier
Deal found 3/18$52
Sun 3/249:41 pmONT - LAS
Nonstop1h 12mFrontier
Tue 5/2811:38 amLAS - ONT
Nonstop1h 09mFrontier
Deal found 3/16$53
Wed 4/39:00 amONT - LAS
Nonstop1h 08mFrontier
Sat 4/66:45 amLAS - ONT
Nonstop1h 05mFrontier
Deal found 3/18$56
Tue 4/25:26 pmONT - LAS
Nonstop1h 09mFrontier
Sat 5/411:20 amLAS - ONT
Nonstop1h 06mFrontier
Deal found 3/18$57
Mon 3/259:55 pmONT - LAS
Nonstop1h 12mFrontier
Tue 3/2610:49 amLAS - ONT
Nonstop1h 09mFrontier
Deal found 3/17$58
Sat 4/1310:56 pmONT - LAS
Nonstop1h 14mFrontier
Sun 4/146:00 amLAS - ONT
Nonstop1h 03mFrontier
Deal found 3/17$59

Ontario to Las Vegas 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Las Vegas in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
These are some of the best deals we've found on flights to Las Vegas in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 4/1010:49 pmONT - LAS
Nonstop1h 14mFrontier
Thu 4/1112:22 pmLAS - ONT
Nonstop1h 07mFrontier
Deal found 3/16$48
Sat 4/1310:56 pmONT - LAS
Nonstop1h 14mFrontier
Tue 4/236:00 amLAS - ONT
Nonstop1h 03mFrontier
Deal found 3/18$49
Sat 3/235:33 pmONT - LAS
Nonstop1h 09mFrontier
Sat 3/237:43 pmLAS - ONT
Nonstop1h 04mFrontier
Deal found 3/16$50
Tue 4/166:55 pmONT - LAS
Nonstop1h 06mFrontier
Tue 4/2310:15 amLAS - ONT
Nonstop1h 05mFrontier
Deal found 3/18$52
Wed 5/157:41 pmONT - LAS
Nonstop1h 05mFrontier
Tue 5/218:00 amLAS - ONT
Nonstop1h 06mFrontier
Deal found 3/17$53
Wed 7/1712:30 pmONT - LAS
Nonstop1h 13mFrontier
Wed 7/175:00 pmLAS - ONT
Nonstop1h 09mFrontier
Deal found 3/17$54
Wed 4/39:00 amONT - LAS
Nonstop1h 08mFrontier
Sat 4/66:45 amLAS - ONT
Nonstop1h 05mFrontier
Deal found 3/18$56
Tue 4/25:26 pmONT - LAS
Nonstop1h 09mFrontier
Sat 5/411:20 amLAS - ONT
Nonstop1h 06mFrontier
Deal found 3/18$57
Mon 3/259:55 pmONT - LAS
Nonstop1h 12mFrontier
Tue 3/2610:49 amLAS - ONT
Nonstop1h 09mFrontier
Deal found 3/17$58

Non-stop flights to Las Vegas from Ontario

Discover non-stop flight options from Ontario to Las Vegas. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
For a quicker trip, book one of these direct flights from Ontario to Las Vegas. Select from other flights from Ontario to Las Vegas by using the search form above.
Wed 4/1010:49 pmONT - LAS
Nonstop1h 14mFrontier
Thu 4/1112:22 pmLAS - ONT
Nonstop1h 07mFrontier
Deal found 3/16$48
Sat 4/1310:56 pmONT - LAS
Nonstop1h 14mFrontier
Tue 4/236:00 amLAS - ONT
Nonstop1h 03mFrontier
Deal found 3/18$49
Sat 3/235:33 pmONT - LAS
Nonstop1h 09mFrontier
Sat 3/237:43 pmLAS - ONT
Nonstop1h 04mFrontier
Deal found 3/16$50
Tue 4/166:55 pmONT - LAS
Nonstop1h 06mFrontier
Tue 4/2310:15 amLAS - ONT
Nonstop1h 05mFrontier
Deal found 3/18$52
Wed 5/157:41 pmONT - LAS
Nonstop1h 05mFrontier
Tue 5/218:00 amLAS - ONT
Nonstop1h 06mFrontier
Deal found 3/17$53
Wed 4/39:00 amONT - LAS
Nonstop1h 08mFrontier
Sat 4/66:45 amLAS - ONT
Nonstop1h 05mFrontier
Deal found 3/18$56
Tue 4/25:26 pmONT - LAS
Nonstop1h 09mFrontier
Sat 5/411:20 amLAS - ONT
Nonstop1h 06mFrontier
Deal found 3/18$57
Mon 3/259:55 pmONT - LAS
Nonstop1h 12mFrontier
Tue 3/2610:49 amLAS - ONT
Nonstop1h 09mFrontier
Deal found 3/17$58
Sat 4/1310:56 pmONT - LAS
Nonstop1h 14mFrontier
Sun 4/146:00 amLAS - ONT
Nonstop1h 03mFrontier
Deal found 3/17$59

Ontario to Las Vegas flights leaving soon

Find last-minute flight options from Ontario to Las Vegas for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Check out these flights departing soon from Ontario to Las Vegas. Users should examine the flight details to ensure there are no surprises.
Tue 3/2610:08 pmONT - LAS
Nonstop1h 14mFrontier
Tue 4/210:49 amLAS - ONT
Nonstop1h 09mFrontier
Deal found 3/17$48
Sat 3/235:33 pmONT - LAS
Nonstop1h 09mFrontier
Sat 3/237:43 pmLAS - ONT
Nonstop1h 04mFrontier
Deal found 3/16$50
Sun 3/249:41 pmONT - LAS
Nonstop1h 12mFrontier
Tue 5/2811:38 amLAS - ONT
Nonstop1h 09mFrontier
Deal found 3/16$53
Mon 3/259:55 pmONT - LAS
Nonstop1h 12mFrontier
Tue 3/2610:49 amLAS - ONT
Nonstop1h 09mFrontier
Deal found 3/17$58
Tue 3/2610:08 pmONT - LAS
Nonstop1h 14mFrontier
Fri 3/2910:44 amLAS - ONT
Nonstop1h 09mFrontier
Deal found 3/18$59
Thu 3/289:25 pmONT - LAS
Nonstop1h 12mFrontier
Tue 4/210:49 amLAS - ONT
Nonstop1h 09mFrontier
Deal found 3/18$60
Wed 3/279:00 amONT - LAS
Nonstop1h 08mFrontier
Fri 3/298:50 pmLAS - ONT
Nonstop1h 05mFrontier
Deal found 3/18$65
Thu 3/289:25 pmONT - LAS
Nonstop1h 12mFrontier
Thu 4/46:45 amLAS - ONT
Nonstop1h 05mFrontier
Deal found 3/17$68
Mon 3/258:40 amONT - LAS
Nonstop1h 10mFrontier
Mon 4/17:50 pmLAS - ONT
Nonstop1h 04mFrontier
Deal found 3/18$69

One-way flights to Las Vegas from Ontario

Search for one-way flight options from Ontario to Las Vegas. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
If you're seeking multiple options on one-way flights from Ontario to Las Vegas, be sure to check out these deals, which are updated often. Those needing a return flight from Ontario to Las Vegas can use the search form above.
Sat 4/2010:56 pmONT - LAS
Nonstop1h 14mFrontier
Deal found 3/17$24
Tue 3/265:26 pmONT - LAS
Nonstop1h 09mFrontier
Deal found 3/17$25
Wed 3/279:00 amONT - LAS
Nonstop1h 08mFrontier
Deal found 3/18$26
Tue 6/255:30 pmONT - LAS
Nonstop1h 13mFrontier
Deal found 3/17$29
Wed 6/55:30 pmONT - LAS
Nonstop1h 13mFrontier
Deal found 3/18$30
Wed 4/1012:39 pmONT - LAS
Nonstop1h 09mFrontier
Deal found 3/17$31
Sat 4/69:37 pmONT - LAS
Nonstop1h 12mFrontier
Deal found 3/18$33
Mon 3/253:35 pmONT - LAS
Nonstop1h 10mFrontier
Deal found 3/17$34
Thu 4/1812:34 pmONT - LAS
Nonstop1h 09mFrontier
Deal found 3/17$35

Find flights from Ontario to Las Vegas within your budget

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 3,145,932 searches. Data last updated March 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$48 - $185

Route

Depart

Return

Price

OntarioLas Vegas Harry Reid Intl

ONT - LAS

ONTLAS

Ontario

Wed 4/10

Nonstop1h 14m

Las Vegas Harry Reid Intl

Thu 4/11

Nonstop1h 07m

$48

OntarioLas Vegas Harry Reid Intl

ONT - LAS

ONTLAS

Ontario

Sun 4/14

Nonstop1h 09m

Las Vegas Harry Reid Intl

Wed 4/17

Nonstop1h 06m

$49

OntarioLas Vegas Harry Reid Intl

ONT - LAS

ONTLAS

Ontario

Tue 4/16

Nonstop1h 09m

Las Vegas Harry Reid Intl

Tue 4/16

Nonstop1h 02m

$50

OntarioLas Vegas Harry Reid Intl

ONT - LAS

ONTLAS

Ontario

Mon 5/13

Nonstop1h 09m

Las Vegas Harry Reid Intl

Fri 5/17

Nonstop1h 06m

$52

OntarioLas Vegas Harry Reid Intl

ONT - LAS

ONTLAS

Ontario

Wed 5/15

Nonstop1h 05m

Las Vegas Harry Reid Intl

Tue 5/21

Nonstop1h 06m

$53

OntarioLas Vegas Harry Reid Intl

ONT - LAS

ONTLAS

Ontario

Wed 7/17

Nonstop1h 13m

Las Vegas Harry Reid Intl

Wed 7/17

Nonstop1h 09m

$54

OntarioLas Vegas Harry Reid Intl

ONT - LAS

ONTLAS

Ontario

Wed 4/3

Nonstop1h 08m

Las Vegas Harry Reid Intl

Sat 4/6

Nonstop1h 05m

$56

OntarioLas Vegas Harry Reid Intl

ONT - LAS

ONTLAS

Ontario

Sat 4/13

Nonstop1h 14m

Las Vegas Harry Reid Intl

Sat 4/20

1 stop7h 37m

$79

OntarioLas Vegas Harry Reid Intl

ONT - LAS

ONTLAS

Ontario

Sun 5/5

1 stop5h 11m

Las Vegas Harry Reid Intl

Tue 5/7

1 stop5h 13m

$185

Flights are sorted by cheapest first

Deals found on 3/16

When is the best time to book a flight from Ontario to Las Vegas?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Las Vegas. Price data was last updated on January 28, 2024.
The price you pay for your flight from Ontario to Las Vegas may vary depending on when you book. For the best chance of a lower fare, look to book 60 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

When is the cheapest time to fly from 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 March 10, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ontario to Las Vegas flight should consider departing on Tuesday at noon when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Las Vegas by month

Plan your trip from Ontario to Las Vegas by taking into account the cheapest months to travel. The average price of a one-way flight from Ontario to Las Vegas is currently $30 while a round-trip flight costs $70. Price data was last updated on March 10, 2024.

Currently, January is the cheapest month in which you can book a flight from Ontario to Las Vegas (average of $194). Flying from Ontario to Las Vegas in March is currently the most expensive (average of $248). 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.

January

$194

February

$220

March

$248

April

$248

May

$240

June

$243

July

$245

August

$215

September

$204

October

$219

November

$224

December

$220

Temperature and rainfall in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average temperature and rainfall totals by month.

LAS

Temperature

48.2 - 93.2 °F

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. 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 Las Vegas. Reviews last updated March 19, 2024.
Peruse reviews from past customers who have flown with Frontier and American Airlines from Ontario to Las Vegas to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,382 reviews

Entertainment

7.9

Boarding

8.3

Comfort

8.1

Food

7.4

Overall

8.2

Crew

8.8

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

Southwest
8.2
Very good
6,382 reviews
Southwest
8.2
Very good
6,382 reviews

Entertainment

7.9

Boarding

8.3

Comfort

8.1

Food

7.4

Overall

8.2

Crew

8.8

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

8.1
Very good
9,147 reviews
Southwest
8.2
Very good
6,382 reviews

Entertainment

7.9

Boarding

8.3

Comfort

8.1

Food

7.4

Overall

8.2

Crew

8.8

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

7.3
Good
15,312 reviews
Southwest
8.2
Very good
6,382 reviews

Entertainment

7.9

Boarding

8.3

Comfort

8.1

Food

7.4

Overall

8.2

Crew

8.8

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

6.4
Okay
4,333 reviews
Southwest
8.2
Very good
6,382 reviews

Entertainment

7.9

Boarding

8.3

Comfort

8.1

Food

7.4

Overall

8.2

Crew

8.8

Reviews

1 / 10

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

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.
  • What airports do I use to fly from Ontario to Las Vegas?

    Las Vegas Harry Reid Intl is the airport most travelers will use when flying to Las Vegas from Ontario. Booking flights from Ontario (ONT) to Harry Reid Intl (LAS) should be relatively easy as there are 6 daily flights to Las Vegas from 9 different airlines. 1h 06m is how long a flight from Ontario to Las Vegas Harry Reid Intl will take if you book a nonstop flight.

  • Can I find flights from Ontario to Las Vegas for under $100 on Cheapflights?

    Yes, there are multiple flights from Ontario to Las Vegas for under $100. The cheapest flight booked recently is on Frontier for just $48, but on average you can expect to pay $61.

  • Are there nonstop flights from Ontario to Las Vegas for under $100 on Cheapflights?

    Cheapflights has at least 20 direct flights from Ontario to Las Vegas under $100. A good price for a nonstop flight from Ontario to Las Vegas is less than $61.

  • Are there last-minute flights available from Ontario to Las Vegas for under $100?

    There are currently 20+ open flights from Ontario to Las Vegas within the next 7 days for less than $100.

  • What days are nonstop flights available from Ontario to Las Vegas?

    Nonstop flights are available for this route on the following days: Saturday.

  • How popular is this Ontario to Las Vegas flight route?

  • How many flights depart from Ontario to Las Vegas on average per day?

    1 flight departure from Ontario to Las Vegas per day on average.
    Afternoon (Noon - 6pm) - 100% of flight departures

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

    Frontier can get you from Ontario to Las Vegas in just under 1h 14m. Your travel time will be generally consistent. Ontario and Las Vegas are separated by a distance of 198 mi. All flights are typically nonstop.

  • What is the cheapest airline to fly from Ontario to Las Vegas round-trip?

    Currently priced at $48, Frontier will fly you from Ontario to Las Vegas and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Users have found that Frontier is 43% cheaper than the other options available to this destination.

  • What are the most popular airlines that fly from Ontario to Las Vegas?

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

    Looking for the cheapest flight from Ontario to Las Vegas? While on average our users pay $146, our data indicates the cheapest price to be $31. The most popular route (Ontario - Las Vegas Harry Reid Intl), is priced around $48.

  • What does ONT to LAS mean?

    This is defined as Ontario Airport (ONT) and Las Vegas Harry Reid Intl Airport (LAS). Codes like Las Vegas Harry Reid Intl Airport are often used to just call airports uniquely.

See more FAQs

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.

Fly from Ontario to Las Vegas on these airlines
Choose from the following airlines for your flight from Ontario to Las Vegas. Flights are based on user searches made on Cheapflights and were last updated on March 19, 2024.

Top 9 airlines flying from Ontario to Las Vegas

Discover the top 9 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 3,145,932 searches. Data last updated March 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$35Average$67FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Breeze AirwaysCheapest$36Average$68FlexibilityNo cancel feeOn-timeN/A
Search Breeze Airways flights
Spirit AirlinesCheapest$39Average$94FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
JetBlueCheapest$39Average$79FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FrontierCheapest$39Average$84FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapest$45Average$88FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$48Average$202FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Ravn AlaskaCheapest$73Average$138FlexibilityNo cancel feeOn-timeN/A
Search Ravn Alaska flights
American AirlinesCheapest$184Average$356FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

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.

Hourly flight availability from Ontario to Las Vegas

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 March 19, 2024.
11%of flight departuresEarly morningMidnight to 6 am
35%of flight departuresMorning6 am to noon
27%of flight departuresAfternoonNoon to 6 pm
27%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from 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 March 19, 2024.
Sunday6daily flights
Monday9daily flights
Tuesday5daily flights
Wednesday4daily flights
Thursday9daily flights
Friday9daily flights
Saturday5daily flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Las Vegas?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Las Vegas from Ontario today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ontario to Las Vegas?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Las Vegas from Ontario.

Can Cheapflights find flights from Ontario to Las Vegas with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to Las Vegas flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ontario to Las Vegas become cheaper?

Yes! Start tracking prices for Ontario to Las Vegas 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.

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