Distance between Boise, ID (BOI) and Seattle, WA (SEA)
Flight distance from Boise to Seattle (Boise Airport – Seattle–Tacoma International Airport) is 399 miles / 642 kilometers / 347 nautical miles. Estimated flight time is 1 hour 15 minutes.
Driving distance from Boise (BOI) to Seattle (SEA) is 501 miles / 806 kilometers and travel time by car is about 8 hours 46 minutes.
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Boise - Seattle
Map of flight path and driving directions from Boise to Seattle.
Shortest flight path between Boise Airport (BOI) and Seattle–Tacoma International Airport (SEA).
How far is Seattle from Boise?
There are several ways to calculate distances between Boise and Seattle. Here are two common methods:
Vincenty's formula (applied above)- 398.910 miles
- 641.984 kilometers
- 346.644 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- 398.382 miles
- 641.133 kilometers
- 346.184 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 | Boise Airport |
|---|---|
| City: | Boise, ID |
| Country: | United States  |
| IATA Code: | BOI |
| ICAO Code: | KBOI |
| Coordinates: | 43°33′51″N, 116°13′22″W |
| B | Seattle–Tacoma International Airport |
|---|---|
| City: | Seattle, WA |
| Country: | United States |
| IATA Code: | SEA |
| ICAO Code: | KSEA |
| Coordinates: | 47°26′56″N, 122°18′32″W |
Time difference and current local times
The time difference between Boise and Seattle is 1 hour. Seattle is 1 hour behind Boise.
Time Difference
Boise, ID
Seattle, WA
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 84 kg (185 pounds).
Frequent Flyer Miles Calculator
Boise (BOI) → Seattle (SEA).
In total
Round trip?