Air Miles Calculator

Distance between Seattle, WA (BFI) and Buffalo, NY (BUF)

Distance from Seattle to Buffalo (Seattle Boeing Field – Buffalo Niagara International Airport) is 2121 miles / 3413 kilometers / 1843 nautical miles.

How far is Buffalo from Seattle?

There are several ways to calculate distances between Seattle and Buffalo. Here are two common methods:

Vincenty's formula (applied above)
  • 2120.884 miles
  • 3413.231 kilometers
  • 1842.997 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 2115.100 miles
  • 3403.924 kilometers
  • 1837.972 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

Flight duration

Estimated flight time from Seattle Boeing Field (BFI) to Buffalo Niagara International Airport (BUF) is 4 hours 30 minutes.

Time difference and current local times

The time difference between Seattle and Buffalo is 3 hours. Buffalo is 3 hours ahead of Seattle.

Time Difference

Seattle
Buffalo

Seattle, WA

 PDT

Buffalo, NY

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 235 kg (518 pounds).

Airport information


A Seattle Boeing Field
City: Seattle, WA
Country: United States Flag of United States
IATA Code: BFI
ICAO Code: KBFI
Coordinates: 47°31′47″N, 122°18′7″W

B Buffalo Niagara International Airport
City: Buffalo, NY
Country: United States Flag of United States
IATA Code: BUF
ICAO Code: KBUF
Coordinates: 42°56′25″N, 78°43′55″W

Seattle to Buffalo flight path

Shortest flight path between Seattle Boeing Field (BFI) and Buffalo Niagara International Airport (BUF).

Frequent Flyer Miles Calculator

Seattle (BFI) → Buffalo (BUF).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
2121
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2121

Round trip?