Direct (nonstop) flights from Ontario to Nashville

1 airline flys nonstop from Ontario International Airport (ONT) to Nashville International (BNA). It's 1,751 miles (2,818 km), about 3h 45m in the air. Operated by Southwest Airlines.

ONT
Ontario International Airport
🇺🇸 Ontario, USA
BNA
Nashville International
🇺🇸 Nashville, USA
Flight Time
3h 45m
Distance
1,751 mi
2,818 km
CO₂/pax
296 kg
−34 kg vs. layover
Airlines
1
Southwest Airlines
Time Diff
+2h
Operated by Southwest Airlines Southwest Airlines

Route data last updated: May 29, 2026

Airlines with non-stop flights

Southwest Airlines WN Southwest Airlines
Route
ONT → BNA
Flight Time
3h 45m
Distance
1,751 mi

Alternative Routes

Other ways to fly from Ontario to Nashville with one stop · direct emits 296 kg CO₂ per passenger

ONT PHX (Phoenix) BNA
Leg 1: 1h 20m (325 mi) Leg 2: 3h 15m (1,448 mi) Total: ~4h 35m 🍃 330 kg CO₂ (+11% vs. direct)
Leg 1
ONT → PHX
1h 20m · 325 mi
View ONT to PHX flights →
Leg 2
PHX → BNA
3h 15m · 1,448 mi
View PHX to BNA flights →
ONT DAL (Dallas) BNA
Leg 1: 2h 50m (1,199 mi) Leg 2: 1h 45m (623 mi) Total: ~4h 35m 🍃 343 kg CO₂ (+16% vs. direct)
Leg 1
ONT → DAL
2h 50m · 1,199 mi
View ONT to DAL flights →
Leg 2
DAL → BNA
1h 45m · 623 mi
View DAL to BNA flights →
ONT LAS (Las Vegas) BNA
Leg 1: 1h 5m (197 mi) Leg 2: 3h 35m (1,587 mi) Total: ~4h 40m 🍃 329 kg CO₂ (+11% vs. direct)
Leg 1
ONT → LAS
1h 5m · 197 mi
View ONT to LAS flights →
Leg 2
LAS → BNA
3h 35m · 1,587 mi
View LAS to BNA flights →
ONT AUS (Austin) BNA
Leg 1: 2h 40m (1,196 mi) Leg 2: 2h 5m (756 mi) Total: ~4h 45m 🍃 367 kg CO₂ (+24% vs. direct)
Leg 1
ONT → AUS
2h 40m · 1,196 mi
View ONT to AUS flights →
Leg 2
AUS → BNA
2h 5m · 756 mi
View AUS to BNA flights →
ONT DEN (Denver) BNA
Leg 1: 2h 15m (818 mi) Leg 2: 2h 34m (1,013 mi) Total: ~4h 49m 🍃 347 kg CO₂ (+17% vs. direct)
Leg 1
ONT → DEN
2h 15m · 818 mi
View ONT to DEN flights →
Leg 2
DEN → BNA
2h 34m · 1,013 mi
View DEN to BNA flights →

Frequently Asked Questions

How long is the direct flight from Ontario to Nashville?

A nonstop flight from Ontario (ONT) to Nashville (BNA) takes approximately 3 hours and 45 minutes. The distance is 1,751 miles (2,818 km).

Which airlines fly nonstop from Ontario to Nashville?

Just Southwest Airlines.

Is there a nonstop flight from Ontario to Nashville?

Yes. 1 airline: Southwest Airlines.

How far is Ontario from Nashville?

The flight distance from Ontario to Nashville is 1,751 miles (2,818 km), measured as the great-circle (shortest air) distance.

What type of aircraft flies from Ontario to Nashville?

At 3h 45m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.

What is the carbon footprint of a flight from Ontario to Nashville?

Roughly 296 kg CO2 per passenger one-way. That's about the same as driving 1,480 km.

Is the return flight from Nashville to Ontario also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from Ontario to Nashville?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.

How early should I arrive at Ontario International Airport for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.