HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$31+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — ONT
Feb 24 — Mar 31
Mon 2/24
Mon 3/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Nevada to Ontario with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 19, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$42
(Frontier)

One-way from

$31
(Frontier)

Popular in

January

Cheapest in

May

Average price

$81

Good round-trip deal

$42 or less

Good one-way deal

$33 or less
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Los Angeles flights.
Search Deals
From Nevada to Ontario
Search Deals
One-way flight from Nevada to Ontario
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($2 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals
Price to beat on a round-trip flight from Nevada to Ontario.
Search Deals
Price to beat on a one-way flight from Nevada to Ontario.
Search Deals

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 February 19, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 2/19. 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.
Thu 3/61:53 pmLAS - ONT
Nonstop1h 11mFrontier
Sun 3/910:44 amONT - LAS
Nonstop1h 14mFrontier
Deal found 2/19$47
This Frontier deal was found by Cheapflights users on 2/18. 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 4/1612:27 pmRNO - ONT
1 stop11h 32mFrontier
Tue 4/2212:59 amONT - RNO
1 stop10h 37mFrontier
Deal found 2/18$103
This Southwest deal was found by Cheapflights users on 2/19. 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.
Tue 4/228:50 amLAS - ONT
1 stop3h 30mSouthwest
Wed 4/238:45 pmONT - LAS
Nonstop1h 05mSouthwest
Deal found 2/19$117
This American Airlines deal was found by Cheapflights users on 2/19. 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 4/21:23 pmLAS - ONT
1 stop5h 10mAmerican Airlines
Wed 4/27:35 pmONT - LAS
1 stop3h 05mAmerican Airlines
Deal found 2/19$153
This Expedia deal was found by Cheapflights users on 2/18. 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.
Wed 4/1612:27 pmRNO - ONT
1 stop11h 32mMultiple Airlines
Wed 4/239:56 amONT - RNO
1 stop6h 02mMultiple Airlines
Deal found 2/18$205
This Delta deal was found by Cheapflights users on 2/17. 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 3/196:00 amRNO - ONT
1 stop6h 29mDelta
Wed 3/265:15 pmONT - RNO
1 stop6h 28mDelta
Deal found 2/17$217
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Tue 5/206:00 amRNO - ONT
1 stop6h 24mUnited Airlines
Wed 5/286:00 amONT - RNO
1 stop4h 07mUnited Airlines
Deal found 2/18$218
This American Airlines deal was found by Cheapflights users on 2/18. 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 4/36:00 amRNO - ONT
1 stop5h 59mAmerican Airlines
Mon 4/710:00 amONT - RNO
1 stop5h 28mAmerican Airlines
Deal found 2/18$219
This Southwest deal was found by Cheapflights users on 2/18. 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 4/162:20 pmRNO - ONT
1 stop3h 50mSouthwest
Wed 4/233:40 pmONT - RNO
2 stops5h 40mSouthwest
Deal found 2/18$222
This Mytrip deal was found by Cheapflights users on 2/18. 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.
Thu 4/33:30 pmLAS - ONT
1 stop17h 58mMultiple Airlines
Mon 4/76:55 amONT - LAS
1 stop8h 35mMultiple Airlines
Deal found 2/18$270
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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.
Fri 3/147:57 pmRNO - ONT
1 stop21h 02mAlaska Airlines
Sun 3/167:00 amONT - RNO
2 stops16h 29mAlaska Airlines
Deal found 2/18$388
This Hawaiian Airlines deal was found by Cheapflights users on 2/18. 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.
Sat 5/33:03 pmRNO - ONT
1 stop5h 16mHawaiian Airlines
Sun 5/49:56 amONT - RNO
1 stop6h 02mHawaiian Airlines
Deal found 2/18$407

Find flights from Nevada to Ontario within your budget

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 February 19, 2025.

Fly from

Nevada

Fly to

Ontario

Route

Depart

Return

Price

Las VegasOntario

LAS - ONT

LASONT

Las Vegas Harry Reid Intl

Fri 3/7

1:53 pm-3:04 pm

Nonstop1h 11m

Ontario

Fri 3/7

9:35 pm-10:48 pm

Nonstop1h 13m

$42

RenoOntario

RNO - ONT

RNOONT

Reno

Wed 4/16

12:27 pm-11:59 pm

1 stop11h 32m

Ontario

Tue 4/22

12:59 am-11:36 am

1 stop10h 37m

$103

Las VegasOntario

LAS - ONT

LASONT

Las Vegas Harry Reid Intl

Tue 4/22

8:50 am-12:20 pm

1 stop3h 30m

Ontario

Wed 4/23

8:45 pm-9:50 pm

Nonstop1h 05m

$117

Las VegasOntario

LAS - ONT

LASONT

Las Vegas Harry Reid Intl

Wed 4/2

1:23 pm-6:33 pm

1 stop5h 10m

Ontario

Wed 4/2

7:35 pm-10:40 pm

1 stop3h 05m

$153

RenoOntario

RNO - ONT

RNOONT

Reno

Wed 4/16

12:27 pm-11:59 pm

1 stop11h 32m

Ontario

Wed 4/23

9:56 am-3:58 pm

1 stop6h 02m

$205

RenoOntario

RNO - ONT

RNOONT

Reno

Wed 3/19

6:00 am-12:29 pm

1 stop6h 29m

Ontario

Wed 3/26

5:15 pm-11:43 pm

1 stop6h 28m

$217

RenoOntario

RNO - ONT

RNOONT

Reno

Tue 5/20

6:00 am-12:24 pm

1 stop6h 24m

Ontario

Wed 5/28

6:00 am-10:07 am

1 stop4h 07m

$218

RenoOntario

RNO - ONT

RNOONT

Reno

Thu 4/3

6:00 am-11:59 am

1 stop5h 59m

Ontario

Mon 4/7

10:00 am-3:28 pm

1 stop5h 28m

$219

RenoOntario

RNO - ONT

RNOONT

Reno

Wed 4/16

2:20 pm-6:10 pm

1 stop3h 50m

Ontario

Wed 4/23

3:40 pm-9:20 pm

2 stops5h 40m

$222

Las VegasOntario

LAS - ONT

LASONT

Las Vegas Harry Reid Intl

Thu 4/3

3:30 pm-9:28 am

1 stop17h 58m

Ontario

Mon 4/7

6:55 am-3:30 pm

1 stop8h 35m

$270

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 25 results
1
2
3

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.

Travel insights for flights from Nevada to Ontario

Get recent, data-driven insights about flights from Nevada to Ontario including ideal travel times, pricing trends, and more.

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 $315). 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 February 19, 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 February 19, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,413 reviews

Crew

8.7

Entertainment

7.6

Comfort

8.1

Food

7.1

Overall

8.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,413 reviews
Southwest
8.1
Very good
4,413 reviews

Crew

8.7

Entertainment

7.6

Comfort

8.1

Food

7.1

Overall

8.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,686 reviews
Southwest
8.1
Very good
4,413 reviews

Crew

8.7

Entertainment

7.6

Comfort

8.1

Food

7.1

Overall

8.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,236 reviews
Southwest
8.1
Very good
4,413 reviews

Crew

8.7

Entertainment

7.6

Comfort

8.1

Food

7.1

Overall

8.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,413 reviews

Crew

8.7

Entertainment

7.6

Comfort

8.1

Food

7.1

Overall

8.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
8,769 reviews
Southwest
8.1
Very good
4,413 reviews

Crew

8.7

Entertainment

7.6

Comfort

8.1

Food

7.1

Overall

8.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

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, 95 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 $31. Southwest flights start at $69 while deals on American Airlines start at $80 one-way.

  • What are the cheapest flights from Nevada to Ontario?

    While on average a flight from Nevada to Ontario is generally $68, our data shows the cheapest flight currently is $19. When looking at the most popular route, (Las Vegas Harry Reid Intl - Ontario), you can expect to pay $38 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 $315). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Nevada to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Las Vegas flights
John F Kennedy Intl to Los Angeles flights
Newark to Los Angeles flights
Dallas/Fort Worth to Las Vegas flights
John F Kennedy Intl to San Francisco flights
O'Hare Intl to Las Vegas flights
Newark to Las Vegas flights
Seattle to Los Angeles flights
Seattle to Las Vegas flights
O'Hare Intl to Los Angeles flights
Newark to San Francisco flights
Minneapolis to Las Vegas flights
Dulles Intl to Las Vegas flights
Boston to Las Vegas flights
Atlanta to Las Vegas flights
San Francisco to Las Vegas flights
LaGuardia to Las Vegas flights
Dulles Intl to Los Angeles flights
Reagan-National to Los Angeles flights
LaGuardia to Los Angeles flights
Detroit to Las Vegas flights
Denver to Las Vegas flights
Los Angeles to Las Vegas flights
Seattle to San Francisco flights
San Jose to Las Vegas flights
Boston to Los Angeles flights
Baltimore to Los Angeles flights
San Francisco to Los Angeles flights
Reagan-National to Las Vegas flights
Baltimore to Las Vegas flights
Seattle to Santa Ana flights
Dallas/Fort Worth to Los Angeles flights
Seattle to San Diego flights
Burbank to Las Vegas flights
Santa Ana to Las Vegas flights
O'Hare Intl to San Francisco flights
Hobby to Las Vegas flights
Boston to San Francisco flights
Dulles Intl to San Francisco flights
Oakland to Las Vegas flights
Los Angeles to San Francisco flights
Newark to Burbank flights
Philadelphia to Las Vegas flights
Seattle to Ontario flights
Newark to San Diego flights
Oakland to Los Angeles flights
Midway to Las Vegas flights
LaGuardia to San Francisco flights
Fort Lauderdale to Las Vegas flights
Orlando to Las Vegas flights

Top 7 airlines flying from Nevada to Ontario

Discover the top 7 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 February 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$26Average$87FlexibilityNo cancel feeOn-time65%
FrontierCheapest$38Average$68FlexibilityNo cancel feeOn-time62%
Ravn AlaskaCheapest$54Average$92FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$152Average$304FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$195Average$272FlexibilityNo cancel feeOn-time71%
DeltaCheapest$198Average$227FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$208Average$294FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.