Flight Time from Kennewick to Seattle
The flight from Kennewick to Seattle covers about 179 mi and takes roughly 50 min nonstop. Flight duration estimate and fare guide.
Kennewick and Seattle are about 179 mi (288 km) apart in a straight line. By road that works out to roughly 233 mi (374 km), a drive of about 4 hr 10 min. A nonstop flight covers the great-circle distance in approximately 50 min.
| Straight-line distance | 179 mi / 288 km |
| Road distance (est.) | 233 mi / 374 km |
| Driving time (est.) | 4 hr 10 min |
| Nonstop flight (est.) | 50 min |
| Driving fuel (est., 1-way) | $29 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 46.920, -120.714 |
How these estimates work
Straight-line distance uses the haversine formula on each city's coordinates. Road distance applies a circuity factor (~1.2–1.4×) and driving time a blended average speed. Flight time uses typical jet cruise speed plus ~30 minutes for taxi, climb and descent. Treat all figures as planning estimates.
Frequently asked questions
Kennewick to Seattle is about 179 mi (288 km) in a straight line, and roughly 233 mi (374 km) by road.