$124 Cheap Flights from Nashville (BNA) to Ontario (ONT)

View $124 flight on Sat, Nov 1, 2025Opens in a new window

Popular airlines from Nashville International Airport (BNA) to Los Angeles - Ontario Intl. Airport (ONT)

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Cheap Flights from Nashville to Ontario (BNA-ONT)

Prices were available within the past 7 days and start at $124 for one-way flights and $248 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, Nov 8 - Sat, Nov 15
BNA
Nashville
ONT
Ontario
$248 Roundtrip, found 2 hours ago
$248
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, Nov 8 from Nashville to Ontario, returning Sat, Nov 15, priced at $248 found 2 hours ago
Frontier Airlines
Sat, Nov 8 - Sat, Nov 15
BNA
Nashville
ONT
Ontario
$257 Roundtrip, found 2 hours ago
$257
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, Nov 8 from Nashville to Ontario, returning Sat, Nov 15, priced at $257 found 2 hours ago
Bargain Flight
Thu, Sep 25 - Tue, Sep 30
BNA
Nashville
ONT
Ontario
$258 Roundtrip, found 2 days ago
$258
Roundtrip
found 2 days ago
Select Bargain Flight flight, departing Thu, Sep 25 from Nashville to Ontario, returning Tue, Sep 30, priced at $258 found 2 days ago
Frontier Airlines
Sun, Aug 17 - Wed, Sep 3
BNA
Nashville
ONT
Ontario
$258 Roundtrip, found 1 day ago
$258
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, Aug 17 from Nashville to Ontario, returning Wed, Sep 3, priced at $258 found 1 day ago
Bargain Flight
Thu, Aug 28 - Sun, Aug 31
BNA
Nashville
ONT
Ontario
$262 Roundtrip, found 12 hours ago
$262
Roundtrip
found 12 hours ago
Select Bargain Flight flight, departing Thu, Aug 28 from Nashville to Ontario, returning Sun, Aug 31, priced at $262 found 12 hours ago
Alaska Airlines
Wed, Nov 5 - Sat, Nov 8
BNA
Nashville
ONT
Ontario
$262 Roundtrip, found 1 day ago
$262
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Nov 5 from Nashville to Ontario, returning Sat, Nov 8, priced at $262 found 1 day ago
Bargain Flight
Fri, Aug 15 - Fri, Aug 22
BNA
Nashville
ONT
Ontario
$263 Roundtrip, found 2 days ago
$263
Roundtrip
found 2 days ago
Select Bargain Flight flight, departing Fri, Aug 15 from Nashville to Ontario, returning Fri, Aug 22, priced at $263 found 2 days ago
Alaska Airlines
Fri, Sep 5 - Tue, Sep 9
BNA
Nashville
ONT
Ontario
$264 Roundtrip, found 4 hours ago
$264
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Fri, Sep 5 from Nashville to Ontario, returning Tue, Sep 9, priced at $264 found 4 hours ago
American Airlines
Thu, Nov 6 - Thu, Nov 13
BNA
Nashville
ONT
Ontario
$265 Roundtrip, found 2 hours ago
$265
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Thu, Nov 6 from Nashville to Ontario, returning Thu, Nov 13, priced at $265 found 2 hours ago
United
Thu, Nov 6 - Thu, Nov 13
BNA
Nashville
ONT
Ontario
$265 Roundtrip, found 2 hours ago
$265
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Nov 6 from Nashville to Ontario, returning Thu, Nov 13, priced at $265 found 2 hours ago

Find the cheapest month to fly from Nashville (BNA) to Ontario (ONT)

September is typically the cheapest month to fly

From $118 - $369 per traveler.

Graph displaying average flight prices per month

Alternative airports near Ontario

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to John Wayne SNA. Cheapest option available. Average driving time to city center is 42 minutes. Flights from $387
SNA
John Wayne
Cheapest
Average driving time to city center42 min
Flights from $387
Flights from Nashville (BNA) to Ontario (ONT)
Origin airport
Nashville Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$248
Distance
1746 mi
Average flight time
2 hours 48 mins

Nashville to Ontario Flights

The cheapest times to fly from Nashville to Ontario

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Nashville to Ontario are during the month of November. You can find some of the cheapest flights from Nashville to Ontario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Nashville to Ontario

Sunday is one of the best days to book for cheap flights from Nashville to Ontario: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Nashville to Ontario

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Nashville to Ontario in 2025. You can also book with separate airlines for your outbound and return journeys, from $124 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Nashville to Ontario flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Nashville to Ontario airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Nashville Intl. Airport (BNA) to Los Angeles - Ontario Intl. Airport (ONT) cost?
Find cheap return fares from Nashville Intl. Airport (BNA) to Los Angeles - Ontario Intl. Airport (ONT) starting from $219. Book a seat and set off on your next adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines and Spirit Airlines flight leaving BNA on August 12 2025 and touching down at ONT. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from BNA to ONT?
The cheapest flights from BNA to ONT are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Nashville Intl. Airport (BNA) to Los Angeles - Ontario Intl. Airport (ONT)?
When jetting out of Nashville Intl. Airport (BNA), you can hop on a direct flight to Los Angeles - Ontario Intl. Airport (ONT) with Southwest Airlines.
What is the cheapest airline that flies from BNA to ONT?
At the moment, the cheapest carrier offering one-way flights from BNA to ONT is Southwest Airlines. You can book a seat on this route from $169. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from BNA on October 14 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Nashville Intl. Airport (BNA) to Los Angeles - Ontario Intl. Airport (ONT)?
On average, Nashville Intl. Airport (BNA) has 3 direct flights to Los Angeles - Ontario Intl. Airport (ONT) weekly. If you're looking for more choice, take advantage of Expedia's filter tool to find flights with layovers. Squeeze in a quick visit to another location or simply break up your trip.
What are the most popular departure times for flights from Nashville Intl. Airport (BNA) to Los Angeles - Ontario Intl. Airport (ONT)?
The 12 PM departures from BNA to ONT see the highest demand. Greater demand means you'll likely pay more for these departures. If you're looking to save, choose a less crowded time to fly.
What day of the week has the most flights from BNA to ONT?
Friday offers the most flights from Nashville Intl. Airport (BNA) to Los Angeles - Ontario Intl. Airport (ONT). Consider leaving on this day and you'll have the best chance of finding a departure that works with your plans.
What is the earliest flight from Nashville Intl. Airport (BNA) to Los Angeles - Ontario Intl. Airport (ONT)?
The first flight of the day departing from Nashville Intl. Airport (BNA) is at around 12:35PM UTC-6. Board this flight and you'll land at Los Angeles - Ontario Intl. Airport (ONT) at approximately 3:20PM UTC-8. The total travel time is 4h 45m.
How long does it take to fly from Nashville Intl. Airport (BNA) to Los Angeles - Ontario Intl. Airport (ONT)?
The average flight duration from BNA to ONT is 4 hours and 45 minutes, covering a total distance of 1,750 mi.
What airline has the least delays from BNA to ONT?
Consider traveling with Southwest Airlines if you'd like to go straight from Nashville Intl. Airport (BNA) to Los Angeles - Ontario Intl. Airport (ONT) without any holdups. This airline has the strongest track record for punctuality, with an on-time performance of 82%. Want real-time updates? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Nashville Intl. Airport (BNA) to Los Angeles - Ontario Intl. Airport (ONT)?
Opt for a flight from Nashville Intl. Airport (BNA) to Los Angeles - Ontario Intl. Airport (ONT) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Ontario from Nashville Intl. Airport (BNA)?
Book a direct flight from Nashville Intl. Airport (BNA) to Ontario and arrive at any one of these hubs:

  • Los Angeles Intl. Airport (LAX)
  • Long Beach Municipal Airport (LGB)
  • Bob Hope Airport (BUR)

Is it cheaper to buy a plane ticket from Nashville Intl. Airport (BNA) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?
Last-minute fares from BNA to ONT are usually more expensive. For the best rates, start looking for flights as soon as possible. That said, if you can play around with your travel dates, you may land a cheap ticket right before your trip.
Is it cheaper to book a BNA to ONT flight and hotel package?
You'll typically save money by booking a BNA to ONT flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After selecting your preferred flights and accommodations, you can add extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Nashville Intl. Airport (BNA) to Los Angeles - Ontario Intl. Airport (ONT)?
In most instances, you can cancel or reschedule your BNA to ONT flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you need more details, go to our Customer Service portal.

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