Skyscanner

Cheap Flights from Nashville to Ontario International

Travellers and cabin class

Compare Nashville to Ontario International flight deals

Find the cheapest month or even day of the year to fly to Ontario International

Book the best Ontario International fare with no extra fees

Flight deals from Nashville to Ontario International

Looking for a cheap last-minute deal or the best return flight from Nashville to Ontario International? Find the lowest prices on one-way and return tickets right here.
Ontario.R 2,085 per passenger.Departing Fri, 5 Sep.One-way flight with Hawaiian Airlines.Outbound indirect flight with Hawaiian Airlines, departs from Nashville on Fri, 5 Sep, arriving in Ontario International.Price includes taxes and charges.From R 2,085, select.
Ontario.R 2,085 per passenger.Departing Thu, 10 Jul.One-way flight with Hawaiian Airlines.Outbound indirect flight with Hawaiian Airlines, departs from Nashville on Thu, 10 Jul, arriving in Ontario International.Price includes taxes and charges.From R 2,085, select.
Ontario.R 2,257 per passenger.Departing Wed, 6 Aug.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Nashville on Wed, 6 Aug, arriving in Ontario International.Price includes taxes and charges.From R 2,257, select.
Ontario.R 2,278 per passenger.Departing Mon, 5 Jan.One-way flight with Delta.Outbound indirect flight with Delta, departs from Nashville on Mon, 5 Jan, arriving in Ontario International.Price includes taxes and charges.From R 2,278, select.
Ontario.R 2,278 per passenger.Departing Sun, 23 Nov.One-way flight with United.Outbound indirect flight with United, departs from Nashville on Sun, 23 Nov, arriving in Ontario International.Price includes taxes and charges.From R 2,278, select.
Ontario.R 2,363 per passenger.Departing Sat, 14 Jun.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Nashville on Sat, 14 Jun, arriving in Ontario International.Price includes taxes and charges.From R 2,363, select.
Ontario.R 2,392 per passenger.Departing Tue, 26 Aug.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Nashville on Tue, 26 Aug, arriving in Ontario International.Price includes taxes and charges.From R 2,392, select.
Ontario.R 2,475 per passenger.Departing Tue, 9 Dec.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Nashville on Tue, 9 Dec, arriving in Ontario International.Price includes taxes and charges.From R 2,475, select.

Find the cheapest month to fly from Nashville to Ontario International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Nashville to Ontario International flights are currently cheapest in July.
Jun
from R 2,363
Jul
from R 2,085
Aug
from R 2,257
Sep
from R 2,085
Oct
from R 2,490
Nov
from R 2,278
Dec
from R 2,475
Jan
from R 2,278
Feb
Find prices
Mar
Find prices
Apr
Find prices
May
Find prices

Direct flights from Nashville to Ontario International

Nashville to Ontario International: Alternative routes

Compare routes from Nashville to Ontario below. You may find an airport to fly into that's cheaper, faster, or easier than Ontario International.

Nashville to Ontario: Flight information

The things to know before you go.
Cheapest flight foundR 2,085
Cheapest month to flyJuly
Average flight time4 hrs, 21 mins
Most popular airlineSouthwest Airlines
Average flights per week8

Finding cheap flights from Nashville to Ontario International: Frequently asked questions

The best price we found for a return flight from Nashville to Ontario International is R 4,159. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 21 minutes is the average flight time from Nashville to Ontario International.
Southwest Airlines flies direct from Nashville to Ontario International.
As of June 2025, there are 8 flights per week flying from Nashville to Ontario International.
The cheapest month to fly from Nashville to Ontario International is usually June 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Nashville Airport to Ontario International Airport on Friday, 5 September 2025.
Yes – the average flight time is 4 hours and 21 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Ontario International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Ontario is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines and Southwest Airlines offer the cheapest flight tickets to Ontario International.

Flying from Nashville International Airport (BNA) to Ontario International Airport (ONT): what you need to know

  • The average duration of a direct flight from Nashville International Airport to Ontario International Airport is 4 hours 20 minutes.

  • Ontario's timezone is UTC-7, making Ontario two hours behind Nashville.

  • Flights from BNA to ONT start at 09:35 — the first with Southwest Airlines. The last departure is at 16:45 with Southwest Airlines. Overall, there are five weekly Nashville International Airport to Ontario International Airport flights.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to board your BNA to ONT flight.

  • You'll likely experience longer lines during popular months such as July. Arriving up to four hours ahead of an international flight and two hours for a domestic departure will give you ample time for security and boarding.

  • Southwest Airlines is your gateway to discovering Ontario (and perhaps some other exciting parts of United States!). Check out the direct flights from Nashville International Airport to Ontario International Airport offered by this airline.

  • Southwest Airlines is the airline with the highest passenger demand for this route.

  • With an impressive 84.85% of services landing on schedule, Southwest Airlines is the most punctual carrier offering BNA to ONT flights.

  • If you'd like to explore another city along the way, just uncheck 'Direct flights only' when searching for your ticket from Nashville International Airport to Ontario International Airport. These are the most popular stopovers between BNA and ONT:

    • Phoenix Sky Harbour International Airport

    • Harry Reid Airport (formerly McCarran Airport)

    • Dallas/Fort Worth International Airport

How to find the cheapest flights from Nashville International Airport (BNA) to Ontario International Airport (ONT)

  • R 2,085 is currently the best price for a one-way Nashville International Airport to Ontario International Airport flight. A return flight starts at R 4,159. These fares may change based on availability and demand.

  • Get cheap tickets from BNA to ONT by booking six months ahead. According to our research, that's the sweet spot for finding a bargain.

  • Organise your trip for May. That's the cheapest month for flights from Nashville International Airport to Ontario International Airport. If you're flexible with your dates, try out the 'Whole month' tool to find the cheapest price across each month.

  • Getting your hands on cheap flights from BNA to ONT is easy with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you as soon as fares go down.

  • Choose your preferred departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Nashville International Airport to Ontario International Airport.

Handy information about Nashville International Airport (BNA)

  • BNA is located at One Terminal Drive, Suite 501.

  • Nashville International Airport scores high marks for on-time performance. 80.21% of flights that depart BNA land on time.

  • To get to Nashville International Airport from central Nashville, it takes around 15 minutes if you're planning to drive. Of course, this depends on traffic. It's approximately 18 kilometres from the airport to the city centre.

  • The journey when using public transport usually takes 1 hour 5 minutes.

  • Get your journey off to a relaxed start by staying near BNA. Whether you have an early flight from Nashville International Airport to Ontario International Airport or just don't like being rushed, these stays are perfect:

Arriving at Ontario International Airport (ONT)

Getting from Ontario International Airport (ONT) to central Ontario

  • The street address for ONT is 2900 E. Airport Drive.

  • Ontario International Airport is roughly 6 kilometres from central Ontario. The drive time takes around 10 minutes.

  • When travelling on public transport, expect a journey of roughly 1 hour 30 minutes.

When to fly to Ontario International Airport (ONT)

  • It's time to plan your trip dates for your flight from Nashville International Airport to Ontario International Airport. August is the most popular month to visit Ontario. If you'd like a more relaxed vibe, go in May.

  • The warmest month in Ontario is August, with temperatures ranging between 15ºC (59ºF) and 35ºC (95ºF). Book your flights from Nashville International Airport to Ontario International Airport in this month if you like this kind of weather.

  • If you want to travel in cooler conditions, search for a cheap ticket from BNA to ONT in January. Temperatures average between 4ºC (39ºF) and 23ºC (73ºF) then.

Explore more of United States

  • Los Angeles is just one of the many cities in United States waiting to be discovered once you've taken in the sights of Ontario. Around 56 kilometres away to the west, well-known attractions include Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • Around 153 kilometres south of Ontario, San Diego is another favourite stop in United States. Experience the best of this destination with a visit to San Diego Zoo, USS Midway Museum and SeaWorld San Diego.

Plan the rest of your trip from Nashville to Ontario

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.