Ontario to Nashville ONT → BNA
Ontario International Airport (ONT) → Nashville International Airport (BNA)
The cheapest return found recently is $224 with Frontier Airlines, 14 Nov – 16 Nov, found 6 days ago. The cheapest one-way found recently is $241 with Southwest Airlines, 2 Jun 2027, found yesterday.
Return
Not enough comparable prices yet for a usual return price.
Cheapest return found recently
$224
14 Nov – 16 Nov · Frontier Airlines
Ontario International Airport (ONT) → Nashville International Airport (BNA)
Leaves 6:30 a.m. · Return leaves 3:11 p.m. · 27 h 10 min of travel, both ways together
out 1 stop, back 1 stop
found 6 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$224 14 Nov – 16 Novfound 6 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $182 to $282.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Not enough comparable prices yet: we hold return fares on 2 departure dates and need at least 3 to say what is usual.
Could nearby dates be cheaper?
No. We hold 2-night return fares on 1 other departure date within 3 days of 14 Nov, and it is not cheaper.
Every date we hold
2 fares on 2 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 13 Nov – 15 Nov | $313 | American Airlines | Ontario International Airport (ONT) → Nashville International Airport (BNA) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 14 Nov – 16 Nov | $224 | Frontier Airlines | Ontario International Airport (ONT) → Nashville International Airport (BNA) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
Airlines on the cheapest dates: American Airlines, Frontier Airlines.
One-way
The cheapest one-way fare on each of 4 departure dates is usually $217 to $268.
Cheapest one-way found recently
$241
2 Jun 2027 · Southwest Airlines
Ontario International Airport (ONT) → Nashville International Airport (BNA)
Leaves 3:50 p.m. · 5 h 35 min trip
1 stop
found yesterday
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$241 2 Jun 2027found yesterdayOpen this trip
$143 6 Decfound 5 days agoOpen this trip
What have prices looked like?
Over 20 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $88 to $219.
At $241, the cheapest one-way found recently is above that range.
20 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 4 departure dates from 6 Dec to 1 Jul 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 2 Jun 2027 to compare.
Every date we hold
4 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 6 Dec | $143 | Frontier Airlines | Ontario International Airport (ONT) → Nashville International Airport (BNA) | 1 stop | found 5 days ago | Open this trip |
| 1 May 2027 | $249 | Alaska Airlines | Ontario International Airport (ONT) → Nashville International Airport (BNA) | 1 stop | found 3 days ago | Open this trip |
| 2 Jun 2027 | $241 | Southwest Airlines | Ontario International Airport (ONT) → Nashville International Airport (BNA) | 1 stop | found yesterday | Open this trip |
| 1 Jul 2027 | $323 | Southwest Airlines | Ontario International Airport (ONT) → Nashville International Airport (BNA) | 1 stop | found 3 days ago | Open this trip |
Which month looks cheapest?
December 2026 is the cheapest month — from $143.
Airlines on the cheapest dates: Southwest Airlines, Frontier Airlines, Alaska Airlines.
Premium cabin fares from Ontario to Nashville
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 14 Nov – 16 Nov in another cabin: Premium economy · Business · First
Today's prices for 2 Jun 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Ontario to Nashville?
Return
The cheapest fares were 14 to 29 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 14–29 days | $234 | $212 | Cheapest seen | 16 |
| 30–59 days | $267 | $182 | +14% | 19 |
| 90–179 days | $401 | $290 | +71% | 10 |
One-way
Not enough history yet: in 20 days of one-way prices, 24 Sept to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Los Angeles → Nashville
56 km from Ontario
$455
$231 more than flying from Ontario
5 Dec – 6 Dec · BUR → BNA · out 1 stop, back 1 stop
found today
Long Beach → Nashville
60 km from Ontario
$606
$382 more than flying from Ontario
18 Mar 2027 – 20 Mar 2027 · LGB → BNA · out 1 stop, back 1 stop
found today
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Los Angeles → Nashville
56 km from Ontario
$246
$5 more than flying from Ontario
2 Jun 2027 · LAX → BNA · nonstop
found yesterday
Long Beach → Nashville
60 km from Ontario
$388
$147 more than flying from Ontario
2 Jun 2027 · LGB → BNA · nonstop
found yesterday
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 14 Nov – 16 Nov. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work