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Nevada

$35+ 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 5/22. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LAS
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$71
(Cheapflightsfares)

One-way from

$37
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$105

Good round-trip deal

$112 or less

Good one-way deal

$54 or less
Provider with most accurate pricing for Los Angeles-Las Vegas Harry Reid Intl flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Las Vegas Harry Reid Intl flights.
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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. 6% potential increase in price ($6 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/92:28 pmONT - LAS
Nonstop1h 11mFrontier
Tue 5/1311:00 amLAS - ONT
Nonstop1h 08mFrontier
Deal found 4/30$71
This Frontier deal was found by Cheapflights users on 4/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1312:59 amONT - RNO
1 stop10h 17mFrontier
Wed 5/2112:06 pmRNO - ONT
1 stop11h 02mFrontier
Deal found 4/30$170
This Southwest deal was found by Cheapflights users on 4/30. 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.
Wed 5/283:40 pmONT - RNO
1 stop3h 10mSouthwest
Wed 6/46:30 amRNO - ONT
1 stop5h 40mSouthwest
Deal found 4/30$204
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/244:57 pmONT - RNO
1 stop4h 05mDelta
Tue 5/275:12 pmRNO - ONT
1 stop6h 30mDelta
Deal found 4/29$209
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 5/146:01 amONT - LAS
1 stop2h 57mAmerican Airlines
Sat 5/175:03 pmLAS - ONT
1 stop4h 54mAmerican Airlines
Deal found 4/30$209
This Southwest deal was found by Cheapflights users on 4/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/296:20 pmONT - LAS
1 stop4h 55mSouthwest
Sun 8/319:15 pmLAS - ONT
Nonstop1h 00mSouthwest
Deal found 4/29$226
This Orbitz deal was found by Cheapflights users on 4/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/36:00 amONT - LAS
1 stop6h 57mMultiple Airlines
Thu 6/512:59 amLAS - ONT
1 stop8h 13mMultiple Airlines
Deal found 4/30$227
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2012:59 amONT - RNO
1 stop10h 17mMultiple Airlines
Sat 5/2412:10 pmRNO - ONT
1 stop4h 56mMultiple Airlines
Deal found 4/29$242
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/257:05 pmONT - RNO
1 stop3h 54mAmerican Airlines
Wed 7/309:42 amRNO - ONT
1 stop6h 32mAmerican Airlines
Deal found 4/29$268
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/136:34 pmONT - RNO
1 stop5h 14mUnited Airlines
Tue 6/178:31 amRNO - ONT
1 stop3h 43mUnited Airlines
Deal found 4/29$279
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 5/244:45 pmONT - RNO
1 stop6h 41mAlaska Airlines
Mon 5/265:00 amRNO - ONT
2 stops10h 50mAlaska Airlines
Deal found 4/28$348
This Delta deal was found by Cheapflights users on 4/30. 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.
Wed 7/235:08 pmONT - TWF
1 stop4h 17mDelta
Tue 7/296:15 amTWF - ONT
1 stop3h 32mDelta
Deal found 4/30$396

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 May 1, 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

Fri 5/23

6:00 am-7:16 am

Nonstop1h 16m

Las Vegas Harry Reid Intl

Fri 5/23

10:35 am-11:43 am

Nonstop1h 08m

$71

OntarioReno

ONT - RNO

ONTRNO

Ontario

Tue 5/13

12:59 am-11:16 am

1 stop10h 17m

Reno

Wed 5/21

12:06 pm-11:08 pm

1 stop11h 02m

$170

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Wed 5/28

7:55 am-9:00 am

Nonstop1h 05m

Las Vegas Harry Reid Intl

Wed 6/4

10:40 am-3:35 pm

2 stops4h 55m

$172

OntarioReno

ONT - RNO

ONTRNO

Ontario

Wed 5/28

3:40 pm-6:50 pm

1 stop3h 10m

Reno

Wed 6/4

6:30 am-12:10 pm

1 stop5h 40m

$204

OntarioReno

ONT - RNO

ONTRNO

Ontario

Sat 5/24

4:57 pm-9:02 pm

1 stop4h 05m

Reno

Tue 5/27

5:12 pm-11:42 pm

1 stop6h 30m

$209

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Thu 5/22

1:14 pm-4:23 pm

1 stop3h 09m

Las Vegas Harry Reid Intl

Sun 5/25

9:55 am-3:49 pm

1 stop5h 54m

$219

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Tue 6/3

6:00 am-12:57 pm

1 stop6h 57m

Las Vegas Harry Reid Intl

Thu 6/5

12:59 am-9:12 am

1 stop8h 13m

$227

OntarioReno

ONT - RNO

ONTRNO

Ontario

Tue 5/20

12:59 am-11:16 am

1 stop10h 17m

Reno

Sat 5/24

12:10 pm-5:06 pm

1 stop4h 56m

$242

OntarioReno

ONT - RNO

ONTRNO

Ontario

Fri 7/25

7:05 pm-10:59 pm

1 stop3h 54m

Reno

Wed 7/30

9:42 am-4:14 pm

1 stop6h 32m

$268

OntarioReno

ONT - RNO

ONTRNO

Ontario

Fri 6/13

6:34 pm-11:48 pm

1 stop5h 14m

Reno

Tue 6/17

8:31 am-12:14 pm

1 stop3h 43m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 28 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 May 1, 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.

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 May 1, 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
9,972 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

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
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

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
4,294 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

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
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

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
2,409 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

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 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, 406 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 Frontier ($37), Southwest ($84), and Delta ($100).

  • 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 $129, our data indicates the cheapest price to be $35. The most popular route (Ontario - Las Vegas Harry Reid Intl), is priced around $55.

  • 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$24Average$94FlexibilityNo cancel feeOn-time65%
FrontierCheapest$41Average$110FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$97Average$283FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$105Average$208FlexibilityNo cancel feeOn-time75%
DeltaCheapest$107Average$242FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$199Average$308FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$202Average$380FlexibilityNo cancel feeOn-time71%

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