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Ontario

$47+ Cheap flights from Nevada to Ontario (ONT)

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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — ONT
Jun 8 — Jun 151
Mon 6/8
Mon 6/15
1 adult, Economy
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Cheap flight deals from Nevada to Ontario

Cheapest flights from Nevada to Ontario
Explore the most affordable flight options available from Nevada to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 9, 2026.

This Frontier deal was found by Cheapflights users on 5/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:00 am
LAS
-
ONT
Nonstop1h 04m
Frontier
Sat 5/3011:51 am
ONT
-
LAS
Nonstop1h 11m
Frontier
Deal found 5/6$51
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 5/307:00 am
LAS
-
ONT
Nonstop1h 04m
Frontier
Mon 6/111:51 am
ONT
-
LAS
Nonstop1h 11m
Frontier
Deal found 5/8$55
This Frontier deal was found by Cheapflights users on 5/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/41:59 pm
LAS
-
ONT
Nonstop1h 10m
Frontier
Sat 6/63:30 pm
ONT
-
LAS
Nonstop1h 13m
Frontier
Deal found 5/6$56
This Mytrip deal was found by Cheapflights users on 5/5. 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.
Thu 6/41:59 pm
LAS
-
ONT
Nonstop1h 10m
Frontier
Mon 6/83:30 pm
ONT
-
LAS
Nonstop1h 13m
Frontier
Deal found 5/5$57
This Trip.com deal was found by Cheapflights users on 5/8. 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 7/76:46 pm
LAS
-
ONT
Nonstop1h 07m
Frontier
Wed 7/83:40 pm
ONT
-
LAS
Nonstop1h 11m
Frontier
Deal found 5/8$59
This Frontier deal was found by Cheapflights users on 5/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:22 pm
LAS
-
ONT
Nonstop1h 10m
Frontier
Mon 6/83:30 pm
ONT
-
LAS
Nonstop1h 13m
Frontier
Deal found 5/5$75
This Super.com deal was found by Cheapflights users on 5/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/11:59 pm
LAS
-
ONT
Nonstop1h 10m
Frontier
Sat 6/63:30 pm
ONT
-
LAS
Nonstop1h 13m
Frontier
Deal found 5/4$104
This Frontier deal was found by Cheapflights users on 5/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/11:59 pm
LAS
-
ONT
Nonstop1h 10m
Frontier
Tue 6/93:34 pm
ONT
-
LAS
Nonstop1h 12m
Frontier
Deal found 5/6$105
This Super.com deal was found by Cheapflights users on 5/6. 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.
Fri 6/56:22 pm
LAS
-
ONT
Nonstop1h 10m
Frontier
Tue 6/163:34 pm
ONT
-
LAS
Nonstop1h 12m
Frontier
Deal found 5/6$106
This Expedia deal was found by Cheapflights users on 5/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/51:59 pm
LAS
-
ONT
Nonstop1h 10m
Frontier
Mon 6/83:30 pm
ONT
-
LAS
Nonstop1h 13m
Frontier
Deal found 5/6$107
This Frontier deal was found by Cheapflights users on 5/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/22:32 pm
LAS
-
ONT
Nonstop1h 12m
Frontier
Thu 6/113:34 pm
ONT
-
LAS
Nonstop1h 12m
Frontier
Deal found 5/6$108
This Frontier deal was found by Cheapflights users on 5/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/196:46 pm
LAS
-
ONT
Nonstop1h 07m
Frontier
Wed 8/121:28 pm
ONT
-
LAS
Nonstop1h 11m
Frontier
Deal found 5/6$109

Find flight deals from Nevada to Ontario

Keep the following information in mind while searching for Nevada to Ontario flight deals. Data was last updated May 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$51
(Frontier)

One-way from

$47
(Super.com)

Popular in

April

Cheapest in

June

Average price

$68

Good round-trip deal

$129 or less

Good one-way deal

$88 or less
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Los Angeles flights.
Search Deals
From Nevada to Ontario
Search Deals
One-way flight from Nevada to Ontario
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($8 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($2 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Nevada to Ontario.
Search Deals
Price to beat on a one-way flight from Nevada to Ontario.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Nevada 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 May 9, 2026.
Use the filters below to find and compare flights from Nevada to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Las VegasOntario

LAS - ONT

LASONT

Las Vegas Harry Reid Intl

Sat 6/6

7:35 am-8:40 am

Nonstop1h 05m

Ontario

Sat 6/6

3:00 pm-4:05 pm

Nonstop1h 05m

$177

Las VegasOntario

LAS - ONT

LASONT

Las Vegas Harry Reid Intl

Mon 6/1

6:55 pm-11:05 pm

1 stop4h 10m

Ontario

Wed 6/3

3:30 pm-7:35 pm

1 stop4h 05m

$177

Las VegasOntario

LAS - ONT

LASONT

Las Vegas Harry Reid Intl

Sat 5/30

7:05 am-3:35 pm

2 stops8h 30m

Ontario

Sat 5/30

5:50 pm-9:40 pm

1 stop3h 50m

$268

RenoOntario

RNO - ONT

RNOONT

Reno

Thu 5/28

6:55 pm-10:37 pm

1 stop3h 42m

Ontario

Sat 5/30

6:00 am-9:27 am

1 stop3h 27m

$277

RenoOntario

RNO - ONT

RNOONT

Reno

Thu 5/28

5:13 pm-11:34 pm

1 stop6h 21m

Ontario

Mon 6/1

4:57 pm-11:25 pm

1 stop6h 28m

$282

RenoOntario

RNO - ONT

RNOONT

Reno

Wed 5/27

7:05 am-4:17 pm

2 stops9h 12m

Ontario

Sat 5/30

6:00 am-12:11 pm

1 stop6h 11m

$282

RenoOntario

RNO - ONT

RNOONT

Reno

Tue 6/16

4:40 pm-10:10 pm

2 stops5h 30m

Ontario

Thu 6/18

8:45 pm-12:30 am

1 stop3h 45m

$282

RenoOntario

RNO - ONT

RNOONT

Reno

Fri 6/12

5:00 am-11:20 am

1 stop6h 20m

Ontario

Tue 6/16

3:30 pm-9:15 pm

2 stops5h 45m

$282

RenoOntario

RNO - ONT

RNOONT

Reno

Tue 6/9

4:40 pm-10:10 pm

2 stops5h 30m

Ontario

Mon 6/15

5:15 pm-11:35 pm

2 stops6h 20m

$287

Las VegasOntario

LAS - ONT

LASONT

Las Vegas Harry Reid Intl

Sat 7/11

7:35 am-8:40 am

Nonstop1h 05m

Ontario

Sat 7/11

3:00 pm-4:05 pm

Nonstop1h 05m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/8

Showing 1-10 of 46 resultsSorted by cheapest first
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Best time to book a flight from Nevada to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Nevada 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 Nevada to Ontario

How far ahead should I book a flight from Nevada to Ontario?

To ensure you get the cheapest price possible for a flight from Nevada to Ontario, you should look to book at least 55 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Nevada to Ontario?

Currently, November is the cheapest month in which you can book a flight from Nevada to Ontario (average of $19). Flying from Nevada to Ontario in June is currently the most expensive (average of $58). 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 NV to ONT?

Find hourly flight availability from Nevada 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 May 9, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 25% on flights from Nevada to Ontario by exploring options for tickets in the evening.

What is the cheapest day to fly from Nevada to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Nevada to Ontario. Price data was last updated on May 2, 2026.

Travelers seeking maximum savings on their Nevada to Ontario flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Nevada to Ontario

Explore weekly flight availability from Nevada 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 May 9, 2026.

The most flights from USNV to ONT are scheduled on a Monday (9 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from Nevada to Ontario?

Related info for your journey

Find useful and relevant information for your journey from Nevada 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 into for flights to Ontario from Nevada?

    For a flight from Nevada to Ontario, you will be flying into Ontario. Ontario (ONT) is just 3.1 mi from the center of the city.

  • How popular is this Nevada to Ontario flight route?

    Within the past month, 30 users have taken a look at flights from Nevada to Ontario.

  • How long is the flight from Nevada to Ontario?

    Southwest, United Airlines, and Delta can get you from Nevada to Ontario in just under 1h 05m. Your travel time can differ by up to 5h 16m. Airlines will cover a distance of 197 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Nevada to Ontario one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $28. Frontier flights start at $29 while deals on Southwest start at $48 one-way.

  • What are the most reliable airlines from Nevada to Ontario?

    The top 3 most reliable airlines when flying from Nevada to Ontario are Volaris (86%), Frontier (85%) and Southwest (65%).

  • What are the cheapest flights from Nevada to Ontario?

    While on average a flight from Nevada to Ontario is generally $167, our data shows the cheapest flight currently is $33. When looking at the most popular route, (Las Vegas Harry Reid Intl - Ontario), you can expect to pay $107 for that flight.

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

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

  • How can I find direct flights from Nevada to Ontario?

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

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

    Yes. Cheapflights offers flight deals from Nevada 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 Nevada to Ontario?

    Currently, November is the cheapest month in which you can book a flight from Nevada to Ontario (average of $19). Flying from Nevada to Ontario in June is currently the most expensive (average of $58). 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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Alternative routes for Nevada to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Nevada to Ontario

Discover the top 3 airlines that operate flights from Nevada 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 May 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$54Average$189FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$97Average$316FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$238Average$299FlexibilityNo cancel feeOn-time69%

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