Direct (nonstop) flights from Nashville to Buffalo

1 airline flys nonstop from Nashville International (BNA) to Buffalo Niagara International (BUF). It's 631 miles (1,016 km), about 1h 50m in the air. Operated by Southwest Airlines.

BNA
Nashville International
🇺🇸 Nashville, USA
BUF
Buffalo Niagara International
🇺🇸 Buffalo, USA
Flight Time
1h 50m
Distance
631 mi
1,016 km
CO₂/pax
117 kg
−37 kg vs. layover
Airlines
1
Southwest Airlines
Time Diff
+1h
Operated by Southwest Airlines Southwest Airlines

Route data last updated: May 31, 2026

Airlines with non-stop flights

Southwest Airlines WN Southwest Airlines
Route
BNA → BUF
Flight Time
1h 50m
Distance
631 mi

Alternative Routes

Other ways to fly from Nashville to Buffalo with one stop · direct emits 117 kg CO₂ per passenger

BNA DTW (Detroit) BUF
Leg 1: 1h 41m (455 mi) Leg 2: 1h 11m (241 mi) Total: ~2h 52m 🍃 154 kg CO₂ (+32% vs. direct)
Leg 1
BNA → DTW
1h 41m · 455 mi
View BNA to DTW flights →
Leg 2
DTW → BUF
1h 11m · 241 mi
View DTW to BUF flights →
BNA MDW (Chicago) BUF
Leg 1: 1h 35m (394 mi) Leg 2: 1h 30m (467 mi) Total: ~3h 5m 🍃 184 kg CO₂ (+57% vs. direct)
Leg 1
BNA → MDW
1h 35m · 394 mi
View BNA to MDW flights →
Leg 2
MDW → BUF
1h 30m · 467 mi
View MDW to BUF flights →
BNA BWI (Baltimore) BUF
Leg 1: 1h 50m (587 mi) Leg 2: 1h 15m (280 mi) Total: ~3h 5m 🍃 186 kg CO₂ (+59% vs. direct)
Leg 1
BNA → BWI
1h 50m · 587 mi
View BNA to BWI flights →
Leg 2
BWI → BUF
1h 15m · 280 mi
View BWI to BUF flights →
BNA ATL (Atlanta) BUF
Leg 1: 1h 11m (213 mi) Leg 2: 2h 1m (711 mi) Total: ~3h 12m 🍃 196 kg CO₂ (+68% vs. direct)
Leg 1
BNA → ATL
1h 11m · 213 mi
View BNA to ATL flights →
Leg 2
ATL → BUF
2h 1m · 711 mi
View ATL to BUF flights →
BNA IAD (Dulles) BUF
Leg 1: 1h 47m (542 mi) Leg 2: 1h 26m (283 mi) Total: ~3h 13m 🍃 177 kg CO₂ (+51% vs. direct)
Leg 1
BNA → IAD
1h 47m · 542 mi
View BNA to IAD flights →
Leg 2
IAD → BUF
1h 26m · 283 mi
View IAD to BUF flights →

Frequently Asked Questions

How long is the direct flight from Nashville to Buffalo?

A nonstop flight from Nashville (BNA) to Buffalo (BUF) takes approximately 1 hours and 50 minutes. The distance is 631 miles (1,016 km).

Which airlines fly nonstop from Nashville to Buffalo?

Just Southwest Airlines.

Is there a nonstop flight from Nashville to Buffalo?

Yes. 1 airline: Southwest Airlines.

How far is Nashville from Buffalo?

The flight distance from Nashville to Buffalo is 631 miles (1,016 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as the length of Italy.

What type of aircraft flies from Nashville to Buffalo?

At 1h 50m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.

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

Roughly 117 kg CO2 per passenger one-way. That's about the same as driving 585 km.

Is the return flight from Buffalo to Nashville 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 Nashville to Buffalo?

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 Nashville International for this flight?

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