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$40+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — ONT
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Nevada to Ontario

Keep the following information in mind while searching for Nevada to Ontario flight deals. Data was last updated July 31, 2025.

Round-trip from

$78
(Frontier)

One-way from

$40
(Frontier)

Popular in

March

Cheapest in

June

Average price

$85

Good round-trip deal

$87 or less

Good one-way deal

$72 or less
From Nevada to Ontario
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One-way flight from Nevada to Ontario
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Highest demand for flights based on searches. 17% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Nevada to Ontario.
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Price to beat on a one-way flight from Nevada to Ontario.
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Find 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 July 31, 2025.

This Frontier deal was found by Cheapflights users on 7/29. 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.
Fri 8/110:43 amLAS - ONT
Nonstop1h 10mFrontier
Tue 8/57:00 amONT - LAS
Nonstop1h 11mFrontier
Deal found 7/29$78
This Southwest deal was found by Cheapflights users on 7/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/219:55 amLAS - ONT
Nonstop1h 10mSouthwest
Mon 8/255:05 pmONT - LAS
Nonstop1h 10mSouthwest
Deal found 7/31$97
This FlightHub deal was found by Cheapflights users on 7/29. 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 8/1211:58 amRNO - ONT
1 stop11h 52mFrontier
Wed 8/137:22 pmONT - RNO
1 stop16h 36mFrontier
Deal found 7/29$165
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/185:25 pmRNO - ONT
1 stop6h 21mDelta
Sat 11/225:05 pmONT - RNO
1 stop5h 27mDelta
Deal found 7/30$217
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3012:53 pmRNO - ONT
1 stop5h 23mAmerican Airlines
Sun 10/56:10 amONT - RNO
1 stop5h 53mAmerican Airlines
Deal found 7/30$219
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/225:35 amRNO - ONT
2 stops6h 45mSouthwest
Sun 8/246:45 amONT - RNO
1 stop5h 00mSouthwest
Deal found 7/30$243
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 8/236:00 amRNO - ONT
1 stop6h 13mUnited Airlines
Wed 9/36:50 pmONT - RNO
1 stop4h 54mUnited Airlines
Deal found 7/30$257
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/46:22 amRNO - ONT
1 stop17h 41mAlaska Airlines
Sun 10/57:47 pmONT - RNO
1 stop17h 58mAlaska Airlines
Deal found 7/29$322

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 July 31, 2025.
Use the filters below to find and compare flights from Nevada to Ontario that are best for you.

Fly from

Nevada

Fly to

Ontario

Route

Depart

Return

Price

Las VegasOntario

LAS - ONT

LASONT

Las Vegas Harry Reid Intl

Mon 8/18

7:45 pm-8:52 pm

Nonstop1h 07m

Ontario

Wed 8/20

8:00 am-9:13 am

Nonstop1h 13m

$78

Las VegasOntario

LAS - ONT

LASONT

Las Vegas Harry Reid Intl

Thu 8/21

9:55 am-11:05 am

Nonstop1h 10m

Ontario

Mon 8/25

5:05 pm-6:15 pm

Nonstop1h 10m

$97

RenoOntario

RNO - ONT

RNOONT

Reno

Tue 8/12

11:58 am-11:50 pm

1 stop11h 52m

Ontario

Wed 8/13

7:22 pm-11:58 am

1 stop16h 36m

$165

RenoOntario

RNO - ONT

RNOONT

Reno

Thu 8/28

6:00 am-12:13 pm

1 stop6h 13m

Ontario

Tue 9/2

6:50 pm-11:44 pm

1 stop4h 54m

$208

RenoOntario

RNO - ONT

RNOONT

Reno

Tue 9/30

12:53 pm-6:16 pm

1 stop5h 23m

Ontario

Sun 10/5

6:10 am-12:03 pm

1 stop5h 53m

$219

RenoOntario

RNO - ONT

RNOONT

Reno

Fri 8/22

5:35 am-12:20 pm

2 stops6h 45m

Ontario

Sun 8/24

6:45 am-11:45 am

1 stop5h 00m

$243

RenoOntario

RNO - ONT

RNOONT

Reno

Sat 8/23

5:10 pm-10:40 pm

1 stop5h 30m

Ontario

Sun 9/7

4:50 pm-10:24 pm

1 stop5h 34m

$276

RenoOntario

RNO - ONT

RNOONT

Reno

Sat 10/4

6:22 am-12:03 am

1 stop17h 41m

Ontario

Sun 10/5

7:47 pm-1:45 pm

1 stop17h 58m

$322

Las VegasOntario

LAS - ONT

LASONT

Las Vegas Harry Reid Intl

Tue 9/2

3:07 pm-4:18 pm

Nonstop1h 11m

$40

Las VegasOntario

LAS - ONT

LASONT

Las Vegas Harry Reid Intl

Tue 10/28

5:50 pm-6:55 pm

Nonstop1h 05m

$49

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 16 results
1
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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

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

Currently, August is the cheapest month in which you can book a flight from Nevada to Ontario (average of $246). Flying from Nevada to Ontario in March is currently the most expensive (average of $328). 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 July 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Nevada to Ontario as you normally would.

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 July 31, 2025.
Read through reviews of airlines operating flights from Nevada to Ontario, such as Alaska Airlines, Southwest, and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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, 67 users have taken a look at flights from Nevada to Ontario.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $40. Southwest flights start at $49 while deals on Delta start at $99 one-way.

  • What are the cheapest flights from Nevada to Ontario?

    While on average a flight from Nevada to Ontario is generally $99, our data shows the cheapest flight currently is $44. When looking at the most popular route, (Las Vegas Harry Reid Intl - Ontario), you can expect to pay $46 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, August is the cheapest month in which you can book a flight from Nevada to Ontario (average of $246). Flying from Nevada to Ontario in March is currently the most expensive (average of $328). 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 5 airlines flying from Nevada to Ontario

Discover the top 5 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$23Average$48FlexibilityNo cancel feeOn-time65%
FrontierCheapest$38Average$82FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$97Average$287FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$208Average$287FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$218Average$288FlexibilityNo cancel feeOn-time71%

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