Air Miles Calculator

Distance between Seattle, WA (BFI) and Boise, ID (BOI)

Flight distance from Seattle to Boise (Seattle Boeing Field – Boise Airport) is 402 miles / 647 kilometers / 350 nautical miles. Estimated flight time is 1 hour 15 minutes.

Driving distance from Seattle (BFI) to Boise (BOI) is 494 miles / 795 kilometers and travel time by car is about 8 hours 44 minutes.

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

Shortest flight path between Seattle Boeing Field (BFI) and Boise Airport (BOI).

How far is Boise from Seattle?

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

Vincenty's formula (applied above)
  • 402.284 miles
  • 647.413 kilometers
  • 349.575 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
  • 401.763 miles
  • 646.576 kilometers
  • 349.123 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 Boise Airport
City: Boise, ID
Country: United States Flag of United States
IATA Code: BOI
ICAO Code: KBOI
Coordinates: 43°33′51″N, 116°13′22″W

Time difference and current local times

The time difference between Seattle and Boise is 1 hour. Boise is 1 hour ahead of Seattle.

Time Difference

Seattle, WA

 PST

Boise, ID

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 84 kg (186 pounds).

Frequent Flyer Miles Calculator

Seattle (BFI) → Boise (BOI).

Distance:
402
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
402

Round trip?