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$33+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — ONT
abr. 20 — abr. 271
dom. 4/20
dom. 4/27
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 abril 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$51
(Cheapflightsfares)

One-way from

$33
(Cheapflightsfares)

Popular in

March

Cheapest in

May

Average price

$75

Good round-trip deal

$88 or less

Good one-way deal

$49 or less
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Los Angeles flights.
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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. 10% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($2 potential savings vs. average RT price).
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Average for round-trip flights in April 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 abril 15, 2025.

This Frontier deal was found by Cheapflights users on 4/15. 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.
vie. 5/166:20 amLAS - ONT
Nonstop1h 04mFrontier
dom. 5/1810:15 pmONT - LAS
Nonstop1h 10mFrontier
Deal found 4/15$58
This Frontier deal was found by Cheapflights users on 4/14. 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.
vie. 5/912:36 pmRNO - ONT
1 stop11h 23mFrontier
lun. 5/122:28 pmONT - RNO
1 stop4h 45mFrontier
Deal found 4/14$160
This Southwest deal was found by Cheapflights users on 4/14. 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.
vie. 5/96:35 pmLAS - ONT
1 stop4h 25mSouthwest
dom. 5/116:30 amONT - LAS
1 stop5h 10mSouthwest
Deal found 4/14$183
This United Airlines deal was found by Cheapflights users on 4/14. 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.
jue. 5/298:31 amRNO - ONT
1 stop3h 43mUnited Airlines
dom. 6/16:41 pmONT - RNO
1 stop5h 07mUnited Airlines
Deal found 4/14$209
This Southwest deal was found by Cheapflights users on 4/14. 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.
jue. 5/2911:15 amRNO - ONT
1 stop4h 55mSouthwest
dom. 6/17:00 pmONT - RNO
1 stop2h 50mSouthwest
Deal found 4/14$218
This American Airlines deal was found by Cheapflights users on 4/14. 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.
jue. 11/204:38 pmRNO - ONT
1 stop5h 03mAmerican Airlines
lun. 11/2410:31 amONT - RNO
1 stop5h 03mAmerican Airlines
Deal found 4/14$219
This Delta deal was found by Cheapflights users on 4/15. 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.
mar. 5/136:00 amRNO - ONT
1 stop6h 15mDelta
jue. 5/154:57 pmONT - RNO
1 stop6h 47mDelta
Deal found 4/15$228
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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.
vie. 5/98:00 amRNO - ONT
2 stops26h 51mAlaska Airlines
lun. 5/124:29 pmONT - RNO
2 stops16h 12mAlaska Airlines
Deal found 4/14$333

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 abril 15, 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

lun. 5/5

6:20 am-7:24 am

Nonstop1h 04m

Ontario

lun. 5/5

10:52 am-12:04 pm

Nonstop1h 12m

$51

RenoOntario

RNO - ONT

RNOONT

Reno

vie. 5/9

12:36 pm-11:59 pm

1 stop11h 23m

Ontario

dom. 5/11

10:52 am-7:13 pm

1 stop8h 21m

$160

Las VegasOntario

LAS - ONT

LASONT

Las Vegas Harry Reid Intl

sáb. 5/17

7:45 am-1:00 pm

1 stop5h 15m

Ontario

lun. 5/19

1:55 pm-5:50 pm

1 stop3h 55m

$165

RenoOntario

RNO - ONT

RNOONT

Reno

jue. 5/29

8:31 am-12:14 pm

1 stop3h 43m

Ontario

dom. 6/1

6:41 pm-11:48 pm

1 stop5h 07m

$209

RenoOntario

RNO - ONT

RNOONT

Reno

jue. 5/29

11:15 am-4:10 pm

1 stop4h 55m

Ontario

dom. 6/1

7:00 pm-9:50 pm

1 stop2h 50m

$218

RenoOntario

RNO - ONT

RNOONT

Reno

sáb. 5/17

6:00 am-12:15 pm

1 stop6h 15m

Ontario

lun. 5/19

6:00 am-12:15 pm

1 stop6h 15m

$219

Las VegasOntario

LAS - ONT

LASONT

Las Vegas Harry Reid Intl

jue. 5/1

1:32 pm-6:20 pm

1 stop4h 48m

Ontario

dom. 5/4

7:25 pm-10:38 pm

1 stop3h 13m

$259

RenoOntario

RNO - ONT

RNOONT

Reno

vie. 5/9

8:00 am-10:51 am

2 stops26h 51m

Ontario

lun. 5/12

4:29 pm-8:41 am

2 stops16h 12m

$333

RenoOntario

RNO - ONT

RNOONT

Reno

vie. 9/19

4:39 pm-9:40 pm

1 stop5h 01m

Ontario

dom. 9/21

6:48 am-12:00 pm

1 stop5h 12m

$798

Las VegasOntario

LAS - ONT

LASONT

Las Vegas Harry Reid Intl

lun. 5/5

12:05 pm-1:16 pm

Nonstop1h 11m

$33

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 21 results
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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 abril 15, 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 abril 15, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Nevada to Ontario to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,871 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,871 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,279 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,918 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,658 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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, 102 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 $33. Southwest flights start at $49 while deals on Delta start at $109 one-way.

  • What are the cheapest flights from Nevada to Ontario?

    While on average a flight from Nevada to Ontario is generally $81, our data shows the cheapest flight currently is $37. When looking at the most popular route, (Las Vegas Harry Reid Intl - Ontario), you can expect to pay $58 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 6 airlines flying from Nevada to Ontario

Discover the top 6 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 abril 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$23Average$85FlexibilityNo cancel feeOn-time65%
FrontierCheapest$38Average$70FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$97Average$289FlexibilityNo cancel feeOn-time63%
DeltaCheapest$198Average$277FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$208Average$291FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$217Average$288FlexibilityNo cancel feeOn-time71%

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