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Ontario

$49+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — ONT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$77
(Frontier)

One-way from

$49
(Southwest)

Popular in

March

Cheapest in

June

Average price

$54

Good round-trip deal

$81 or less

Good one-way deal

$60 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 ($16 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 June 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 June 12, 2025.

This Frontier deal was found by Cheapflights users on 6/12. 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 8/53:09 pmLAS - ONT
Nonstop1h 11mFrontier
Thu 8/75:14 pmONT - LAS
Nonstop1h 14mFrontier
Deal found 6/12$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.
Wed 9/32:55 pmLAS - ONT
1 stop5h 20mSouthwest
Fri 9/55:40 amONT - LAS
Nonstop1h 05mSouthwest
Deal found 6/10$149
This Southwest deal was found by Cheapflights users on 6/12. 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 8/75:00 amRNO - ONT
1 stop4h 10mSouthwest
Sat 8/95:25 amONT - RNO
1 stop3h 25mSouthwest
Deal found 6/12$188
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.
Tue 7/14:23 pmRNO - ONT
1 stop5h 15mAmerican Airlines
Sat 7/56:53 pmONT - RNO
1 stop4h 06mAmerican Airlines
Deal found 6/11$199
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.
Thu 7/3112:43 pmRNO - ONT
1 stop3h 36mFrontier
Mon 8/46:00 amONT - RNO
1 stop12h 23mFrontier
Deal found 6/11$205
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/76:00 amRNO - ONT
1 stop6h 14mDelta
Sat 8/91:15 pmONT - RNO
1 stop3h 58mDelta
Deal found 6/9$208
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/46:15 amRNO - ONT
1 stop5h 59mUnited Airlines
Tue 7/86:39 pmONT - RNO
1 stop5h 20mUnited Airlines
Deal found 6/10$209
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.
Thu 7/31:10 pmLAS - ONT
1 stop5h 02mAmerican Airlines
Sat 7/512:55 pmONT - LAS
1 stop5h 03mAmerican Airlines
Deal found 6/11$219
This Hawaiian 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/55:48 pmRNO - ONT
1 stop6h 05mHawaiian Airlines
Sat 9/67:10 amONT - RNO
1 stop7h 27mHawaiian Airlines
Deal found 6/11$383
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:27 amRNO - ONT
2 stops17h 22mAlaska Airlines
Sun 11/25:00 amONT - RNO
1 stop7h 38mAlaska Airlines
Deal found 6/10$388
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/317:19 pmRNO - ONT
1 stop12h 14mMultiple Airlines
Mon 9/110:06 amONT - RNO
1 stop4h 31mMultiple Airlines
Deal found 6/11$505

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 June 12, 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

Tue 8/5

3:09 pm-4:20 pm

Nonstop1h 11m

Ontario

Thu 8/7

5:14 pm-6:28 pm

Nonstop1h 14m

$77

Las VegasOntario

LAS - ONT

LASONT

Las Vegas Harry Reid Intl

Wed 9/3

2:55 pm-8:15 pm

1 stop5h 20m

Ontario

Fri 9/5

5:40 am-6:45 am

Nonstop1h 05m

$149

RenoOntario

RNO - ONT

RNOONT

Reno

Tue 7/1

4:23 pm-9:38 pm

1 stop5h 15m

Ontario

Sat 7/5

6:53 pm-10:59 pm

1 stop4h 06m

$199

RenoOntario

RNO - ONT

RNOONT

Reno

Thu 7/31

12:43 pm-4:19 pm

1 stop3h 36m

Ontario

Mon 8/4

6:00 am-6:23 pm

1 stop12h 23m

$205

RenoOntario

RNO - ONT

RNOONT

Reno

Thu 8/7

6:00 am-12:14 pm

1 stop6h 14m

Ontario

Sat 8/9

1:15 pm-5:13 pm

1 stop3h 58m

$208

RenoOntario

RNO - ONT

RNOONT

Reno

Fri 7/4

6:15 am-12:14 pm

1 stop5h 59m

Ontario

Tue 7/8

6:39 pm-11:59 pm

1 stop5h 20m

$209

Las VegasOntario

LAS - ONT

LASONT

Las Vegas Harry Reid Intl

Thu 7/3

1:10 pm-6:12 pm

1 stop5h 02m

Ontario

Sat 7/5

12:55 pm-5:58 pm

1 stop5h 03m

$219

RenoOntario

RNO - ONT

RNOONT

Reno

Tue 7/1

5:55 pm-10:40 pm

1 stop4h 45m

Ontario

Sat 7/5

4:35 pm-11:40 pm

1 stop7h 05m

$228

RenoOntario

RNO - ONT

RNOONT

Reno

Fri 9/5

5:48 pm-11:53 pm

1 stop6h 05m

Ontario

Sat 9/6

7:10 am-2:37 pm

1 stop7h 27m

$383

RenoOntario

RNO - ONT

RNOONT

Reno

Sat 10/25

6:27 am-11:49 pm

2 stops17h 22m

Ontario

Sun 11/2

5:00 am-12:38 pm

1 stop7h 38m

$388

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 23 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 June 12, 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 June 12, 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
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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 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, 71 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 Southwest, which is currently one of the cheapest options available, starting at $49. Frontier flights start at $52 while deals on American Airlines start at $90 one-way.

  • What are the cheapest flights from Nevada to Ontario?

    While on average a flight from Nevada to Ontario is generally $106, our data shows the cheapest flight currently is $36. When looking at the most popular route, (Las Vegas Harry Reid Intl - Ontario), you can expect to pay $91 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$23Average$48FlexibilityNo cancel feeOn-time65%
FrontierCheapest$38Average$76FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$97Average$291FlexibilityNo cancel feeOn-time63%
DeltaCheapest$198Average$277FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$208Average$395FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$218Average$288FlexibilityNo cancel feeOn-time71%

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