HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Nashville

$99+ Cheap flights from Ontario to Nashville (ONT - BNA)

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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BNA
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Nashville 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.

Cheapflights Tip: The best prices from Ontario to Nashville Intl are usually found in January or August, booked 26 days in advance, depart on a Tuesday or Saturday and return on a Sunday

Cheap flight deals from Ontario to Nashville

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Nashville (BNA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 28, 2025.

Round-trip from

$238
(Frontier)

One-way from

$99
(Trip.com)

Popular in

March

Cheapest in

January

Average price

$398

Good round-trip deal

$342 or less

Good one-way deal

$183 or less
From Ontario to Nashville Intl
Search Deals
One-way flight from Ontario to Nashville Intl
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($4 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a round-trip flight from Ontario to Nashville Intl.
Search Deals
Price to beat on a one-way flight from Ontario to Nashville Intl.
Search Deals

Find flight deals from Ontario to Nashville

Cheapest flights from Ontario to Nashville
Explore the most affordable flight options available from Ontario to Nashville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

This Frontier deal was found by Cheapflights users on 7/26. 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.
Fri 8/2912:59 amONT - BNA
1 stop20h 38mFrontier
Sat 9/67:00 amBNA - ONT
1 stop26h 23mFrontier
Deal found 7/26$238
This lastminute.com deal was found by Cheapflights users on 7/26. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/182:22 pmONT - BNA
1 stop7h 37mAlaska Airlines
Mon 8/255:27 pmBNA - ONT
1 stop8h 26mAlaska Airlines
Deal found 7/26$243
This lastminute.com deal was found by Cheapflights users on 7/26. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/182:22 pmONT - BNA
1 stop7h 37mMultiple Airlines
Mon 8/255:27 pmBNA - ONT
1 stop8h 26mMultiple Airlines
Deal found 7/26$251
This Hawaiian Airlines deal was found by Cheapflights users on 7/28. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/186:58 pmONT - BNA
1 stop8h 42mHawaiian Airlines
Tue 8/197:00 amBNA - ONT
1 stop9h 46mHawaiian Airlines
Deal found 7/28$259
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2111:45 amONT - BNA
1 stop9h 08mDelta
Sun 8/245:15 amBNA - ONT
2 stops8h 59mDelta
Deal found 7/28$270
This American Airlines deal was found by Cheapflights users on 7/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2712:22 pmONT - BNA
2 stops8h 53mAmerican Airlines
Wed 9/36:44 amBNA - ONT
1 stop7h 11mAmerican Airlines
Deal found 7/28$276
This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1210:30 amONT - BNA
Nonstop3h 45mSouthwest
Tue 11/184:05 pmBNA - ONT
Nonstop4h 35mSouthwest
Deal found 7/28$317

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Nashville 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 July 28, 2025.
Use the filters below to find and compare flights from Ontario to Nashville that are best for you.

Fly from

Ontario

Fly to

Nashville

Route

Depart

Return

Price

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Fri 8/29

12:59 am-11:37 pm

1 stop20h 38m

Nashville Intl

Sat 9/6

7:00 am-7:23 am

1 stop26h 23m

$238

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Mon 8/18

2:22 pm-11:59 pm

1 stop7h 37m

Nashville Intl

Mon 8/25

5:27 pm-11:53 pm

1 stop8h 26m

$243

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Mon 8/18

2:22 pm-11:59 pm

1 stop7h 37m

Nashville Intl

Mon 8/25

5:27 pm-11:53 pm

1 stop8h 26m

$251

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Mon 8/18

6:58 pm-5:40 am

1 stop8h 42m

Nashville Intl

Tue 8/19

7:00 am-2:46 pm

1 stop9h 46m

$259

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Thu 8/21

11:45 am-10:53 pm

1 stop9h 08m

Nashville Intl

Sun 8/24

5:15 am-12:14 pm

2 stops8h 59m

$270

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Wed 8/27

12:22 pm-11:15 pm

2 stops8h 53m

Nashville Intl

Wed 9/3

6:44 am-11:55 am

1 stop7h 11m

$276

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Tue 8/19

6:45 am-12:45 pm

Nonstop4h 00m

Nashville Intl

Tue 8/26

4:15 pm-6:25 pm

Nonstop4h 10m

$317

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Wed 8/27

5:10 am-1:18 pm

1 stop6h 08m

Nashville Intl

Fri 9/5

2:25 pm-8:43 pm

1 stop8h 18m

$355

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Wed 8/13

12:59 am-12:01 am

1 stop21h 02m

$99

OntarioNashville

ONT - BNA

ONTBNA

Ontario

Thu 9/18

9:16 am-7:36 pm

1 stop8h 20m

$103

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 17 results
1
2

Best time to book a flight from Ontario to Nashville

Have a flexible travel schedule? Discover the best time to fly to Nashville 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 Nashville

How far ahead should I book a flight from Ontario to Nashville?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Nashville. Price data was last updated on July 25, 2025.

Booking 26 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Nashville. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Ontario to Nashville (average of $220). Flying from Ontario to Nashville in June is currently the most expensive (average of $291). 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 BNA?

Find hourly flight availability from Ontario to Nashville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 28, 2025.

It’s optimal to fly from Ontario to Nashville in the afternoon. By choosing this option you can save up to 56% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Ontario to Nashville?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Nashville. Price data was last updated on July 27, 2025.

Travelers seeking maximum savings on their Ontario to Nashville flight should consider departing on Sunday afternoons when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

What’s the top layover airport for flights from Ontario to Nashville?

Share of 1-stop round-trip flights from Ontario to Nashville chosen by Cheapflights users in the past 12 months, using the same layover each way.

Denver (DEN) – chosen by Cheapflights users on 63% of 1-stop itineraries from Ontario to Nashville on Cheapflights.

What’s the cheapest layover airport for flights from Ontario to Nashville?

Average round-trip fare for 1-stop flights from Ontario to Nashville, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $274.

What’s the fastest layover option from Ontario to Nashville?

Shortest average travel time for 1-stop one-way flights from Ontario to Nashville, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Dallas (DFW) have the shortest average one-way travel time for 1-stop routes: 2h 35m.

Which airport typically offers the quickest layover for flights from Ontario to Nashville?

Average layover duration for 1-stop one-way flights from Ontario to Nashville, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Dallas (DFW) offer the fastest connection on this route, with an average layover time of 1h 04m.

Reviews of airlines servicing Nashville

Get insights into the airlines that provide service to Nashville. 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 Nashville. Reviews last updated July 28, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Ontario to Nashville to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

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

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

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
4,237 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

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
7,971 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,604 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

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
8,893 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

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 Nashville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Ontario to Nashville flight route?

    Within the past month, 13 users have taken a look at flights from Ontario to Nashville Intl.

  • What are the cheapest airlines flying from Ontario to Nashville round-trip?

    Our cheapest airline available from Ontario to Nashville is Frontier. Our recent data shows that you can find tickets from as low as $238 on this airline. Additional options worth looking into are Alaska Airlines and Hawaiian Airlines, starting at $243 and $259 round-trip. Frontier is currently priced 40% below the average price you’ll pay for this route.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $99. Users have also found prices from $132 and $133 on Alaska Airlines and Delta, respectively.

  • What are the cheapest flights from Ontario to Nashville?

    The cheapest flight price from Ontario to Nashville is $140. On average you can expect to pay $348. The most popular route, (Ontario - Nashville Intl), can usually be booked for $253.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Ontario to Nashville (average of $220). Flying from Ontario to Nashville in June is currently the most expensive (average of $291). 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

Traveling to a place near Nashville?

Book flights to Nashville if you plan to visit one of these locations
Bowling Green
Cookeville
Franklin
Lebanon
Murfreesboro
Antioch
Hermitage
Brentwood
Franklin
Dickson
Mount Juliet
Goodlettsville
Smyrna
Hopkinsville
Springfield
Tullahoma
Spring Hill

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 Ontario to Nashville

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Nashville flights
San Francisco to Nashville flights
Burbank to Nashville flights
Santa Ana to Nashville flights
Sacramento to Nashville flights
San Diego to Nashville flights
Las Vegas to Nashville flights
Los Angeles to Memphis flights
Los Angeles to Knoxville flights
Oakland to Nashville flights
San Jose to Nashville flights
Long Beach to Nashville flights
San Francisco to Knoxville flights
Santa Ana to Knoxville flights
Ontario to Knoxville flights
Palm Springs to Nashville flights
Ontario to Memphis flights
Los Angeles to Chattanooga flights
Fresno to Nashville flights
Monterey to Memphis flights
San Diego to Knoxville flights
Burbank to Knoxville flights
Las Vegas to Memphis flights
Santa Ana to Memphis flights
Bakersfield to Nashville flights
San Luis Obispo to Nashville flights
Burbank to Memphis flights
San Diego to Memphis flights
San Francisco to Memphis flights
San Jose to Knoxville flights
Santa Ana to Chattanooga flights
Ontario to Chattanooga flights
Las Vegas to Knoxville flights
Reno to Nashville flights
Sacramento to Memphis flights
Sacramento to Knoxville flights
Oakland to Memphis flights
San Diego to Chattanooga flights
Palm Springs to Knoxville flights
San Jose to Memphis flights
San Francisco to Chattanooga flights
Santa Barbara to Nashville flights
Los Angeles to Blountville flights
Monterey to Nashville flights
Oakland to Knoxville flights
Long Beach to Memphis flights
Fresno to Memphis flights
Medford to Nashville flights
Fresno to Knoxville flights

Top 7 airlines flying from Ontario to Nashville

Discover the top 7 airlines that operate flights from Ontario to Nashville. 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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$88Average$217FlexibilityNo cancel feeOn-time65%
FrontierCheapest$118Average$177FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$256Average$422FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$313FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$264Average$378FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$277Average$403FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$358Average$502FlexibilityNo cancel feeOn-time63%

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.