Air Miles Calculator

Distance between Seattle, WA (BFI) and Lafayette, LA (LFT)

Flight distance from Seattle to Lafayette (Seattle Boeing Field – Lafayette Regional Airport) is 2004 miles / 3225 kilometers / 1741 nautical miles. Estimated flight time is 4 hours 17 minutes.

Driving distance from Seattle (BFI) to Lafayette (LFT) is 2502 miles / 4027 kilometers and travel time by car is about 41 hours 50 minutes.

Map of flight path and driving directions from Seattle to Lafayette.

Shortest flight path between Seattle Boeing Field (BFI) and Lafayette Regional Airport (LFT).

How far is Lafayette from Seattle?

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

Vincenty's formula (applied above)
  • 2003.826 miles
  • 3224.846 kilometers
  • 1741.277 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
  • 2001.863 miles
  • 3221.687 kilometers
  • 1739.572 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).

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 Lafayette Regional Airport
City: Lafayette, LA
Country: United States Flag of United States
IATA Code: LFT
ICAO Code: KLFT
Coordinates: 30°12′19″N, 91°59′15″W

Time difference and current local times

The time difference between Seattle and Lafayette is 2 hours. Lafayette is 2 hours ahead of Seattle.

Time Difference

Seattle, WA

 PST

Lafayette, LA

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 218 kg (481 pounds).

Frequent Flyer Miles Calculator

Seattle (BFI) → Lafayette (LFT).

Distance:
2004
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2004

Round trip?