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Nevada

$49+ Cheap flights from Ontario (ONT) to Nevada

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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LAS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Ontario to Nevada

Keep the following information in mind while searching for Ontario to Nevada flight deals. Data was last updated June 12, 2025.

Round-trip from

$77
(Frontier)

One-way from

$49
(Southwest)

Popular in

March

Cheapest in

September

Average price

$109

Good round-trip deal

$110 or less

Good one-way deal

$59 or less
From Ontario to Nevada
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One-way flight from Ontario to Nevada
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Highest demand for flights based on searches. 7% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($2 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Ontario to Nevada.
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Price to beat on a one-way flight from Ontario to Nevada.
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Find flight deals from Ontario to Nevada

Cheapest flights from Ontario to Nevada
Explore the most affordable flight options available from Ontario to Nevada. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Frontier deal was found by Cheapflights users on 6/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/137:00 amONT - LAS
Nonstop1h 11mFrontier
Wed 8/203:07 pmLAS - ONT
Nonstop1h 11mFrontier
Deal found 6/11$77
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/115:05 pmONT - LAS
Nonstop1h 10mSouthwest
Mon 8/119:00 pmLAS - ONT
Nonstop1h 00mSouthwest
Deal found 6/10$97
This CheapOair deal was found by Cheapflights users on 6/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/189:15 amONT - RNO
1 stop9h 19mFrontier
Sun 9/217:19 pmRNO - ONT
1 stop12h 18mFrontier
Deal found 6/9$176
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/136:05 amONT - RNO
1 stop6h 17mDelta
Wed 8/205:10 pmRNO - ONT
1 stop6h 30mDelta
Deal found 6/11$197
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/156:39 pmONT - RNO
1 stop5h 20mUnited Airlines
Mon 8/186:15 amRNO - ONT
1 stop5h 59mUnited Airlines
Deal found 6/11$208
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/246:45 amONT - RNO
1 stop5h 00mSouthwest
Wed 8/277:45 amRNO - ONT
2 stops6h 10mSouthwest
Deal found 6/10$213
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/257:02 pmONT - RNO
1 stop4h 12mAmerican Airlines
Wed 7/24:23 pmRNO - ONT
1 stop5h 15mAmerican Airlines
Deal found 6/11$238
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/175:09 pmONT - TWF
1 stop4h 16mDelta
Mon 7/216:15 amTWF - ONT
1 stop3h 32mDelta
Deal found 6/10$416

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Nevada 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 June 12, 2025.
Use the filters below to find and compare flights from Ontario to Nevada that are best for you.

Fly from

Ontario

Fly to

Nevada

Route

Depart

Return

Price

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Wed 8/13

7:00 am-8:11 am

Nonstop1h 11m

Las Vegas Harry Reid Intl

Tue 8/19

3:07 pm-4:18 pm

Nonstop1h 11m

$77

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Mon 8/11

5:05 pm-6:15 pm

Nonstop1h 10m

Las Vegas Harry Reid Intl

Mon 8/11

9:00 pm-10:00 pm

Nonstop1h 00m

$97

OntarioReno

ONT - RNO

ONTRNO

Ontario

Thu 9/18

9:15 am-6:34 pm

1 stop9h 19m

Reno

Sun 9/21

7:19 pm-7:37 am

1 stop12h 18m

$176

OntarioReno

ONT - RNO

ONTRNO

Ontario

Wed 8/13

6:05 am-12:22 pm

1 stop6h 17m

Reno

Wed 8/20

5:10 pm-11:40 pm

1 stop6h 30m

$197

OntarioReno

ONT - RNO

ONTRNO

Ontario

Fri 8/15

6:39 pm-11:59 pm

1 stop5h 20m

Reno

Mon 8/18

6:15 am-12:14 pm

1 stop5h 59m

$208

OntarioReno

ONT - RNO

ONTRNO

Ontario

Sun 8/24

6:45 am-11:45 am

1 stop5h 00m

Reno

Wed 8/27

7:45 am-1:55 pm

2 stops6h 10m

$213

OntarioReno

ONT - RNO

ONTRNO

Ontario

Wed 6/25

7:02 pm-11:14 pm

1 stop4h 12m

Reno

Wed 7/2

4:23 pm-9:38 pm

1 stop5h 15m

$238

OntarioTwin Falls

ONT - TWF

ONTTWF

Ontario

Thu 7/17

5:09 pm-10:25 pm

1 stop4h 16m

Twin Falls Joslin

Mon 7/21

6:15 am-8:47 am

1 stop3h 32m

$416

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Thu 9/18

5:05 pm-6:15 pm

Nonstop1h 10m

$49

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Mon 9/8

10:02 pm-11:12 pm

Nonstop1h 10m

$52

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 22 results
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Best time to book a flight from Ontario to Nevada

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

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

Currently, August is the cheapest month in which you can book a flight from Ontario to Nevada (average of $198). Flying from Ontario to Nevada in March is currently the most expensive (average of $269). 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 ONT to NV?

Find hourly flight availability from Ontario to Nevada. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

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

Weekly flight availability from Ontario to Nevada

Explore weekly flight availability from Ontario to Nevada. 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 June 12, 2025.

The most flights from ONT to USNV are scheduled on a Thursday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Nevada by month

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

In terms of precipitation, rainfall in Nevada ranges from 0.1 - 0.8 inches per month. February is typically the wettest month, when rainfall can reach 0.8 in. May is typically the driest time to visit Nevada when rainfall is around 0.1 in.

Temperature in Nevada by month

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

If weather is an important factor for your trip to Nevada, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 93.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Nevada

Get insights into the airlines that provide service to Nevada. 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 Nevada. Reviews last updated June 12, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Ontario to Nevada have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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 Ontario to Nevada. 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 Ontario to Nevada?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Nevada.

  • How popular is this Ontario to Nevada flight route?

    Within the past month, 381 users have taken a look at flights from Ontario to Nevada.

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

    The cheapest airlines for a one-way flight from Ontario to Nevada are Southwest ($49), Frontier ($52), and American Airlines ($90).

  • What are the most popular routes from Ontario to Nevada?

    The most popular flight routes from Ontario to Nevada are Ontario - Las Vegas Harry Reid Intl, Ontario - Reno and Ontario - Twin Falls Joslin.

  • What are the cheapest flights from Ontario to Nevada?

    Looking for the cheapest flight from Ontario to Nevada? While on average our users pay $149, our data indicates the cheapest price to be $37. The most popular route (Ontario - Las Vegas Harry Reid Intl), is priced around $97.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Ontario to Nevada (average of $198). Flying from Ontario to Nevada in March is currently the most expensive (average of $269). 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 Ontario to Nevada

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Ontario to Nevada

Discover the top 7 airlines that operate flights from Ontario to Nevada. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$22Average$70FlexibilityNo cancel feeOn-time65%
FrontierCheapest$43Average$148FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$97Average$208FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$99Average$284FlexibilityNo cancel feeOn-time63%
DeltaCheapest$109Average$242FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$187Average$314FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$201Average$265FlexibilityNo cancel feeOn-time71%

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